CN113447450B - Optical nondestructive testing device for determining nutrient content of dishes based on spectrum - Google Patents
Optical nondestructive testing device for determining nutrient content of dishes based on spectrum Download PDFInfo
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- CN113447450B CN113447450B CN202110512967.8A CN202110512967A CN113447450B CN 113447450 B CN113447450 B CN 113447450B CN 202110512967 A CN202110512967 A CN 202110512967A CN 113447450 B CN113447450 B CN 113447450B
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Abstract
The invention provides an optical nondestructive testing device for determining the nutrient content of dishes based on a map, which comprises: the liquid leakage detection device comprises a liquid leakage disc, a liquid containing groove, an atlas detection module and a liquid spectrum detection module; the liquid leakage disc is used for containing a solid sample to be detected in the cooked food; the liquid containing tank is arranged below the liquid leaking tray and is used for containing liquid samples to be detected in the dishes and foods; the spectrum detection module is arranged above the liquid leakage disc and used for collecting image information and spectrum information of the solid sample to be detected; the liquid spectrum detection module is arranged on the side part of the liquid containing groove and used for collecting and detecting the spectrum information of the liquid sample to be detected. The invention avoids losing the appearance of the dish food in the mashing process by separating the solid from the liquid of the dish food, and simultaneously realizes the measurement of the nutrient content in the dish food with different proportions and densities by utilizing the image technology and the spectrum technology and combining the optical mechanical electrical integration method.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to an optical nondestructive detection device for determining the nutrient content of dishes based on a spectrum.
Background
Diet is the material basis for human health, survival and longevity. With the improvement of living standard of people, the accurate nutritional food has become a new demand growth point of people for food. The dishes are indispensable foods in daily dish foods of people, the deficiency or the excess of the nutrition intake of the daily dish foods has important influence on the human health, particularly, the nutrition content of the ingested dishes needs to be detected in real time for diabetes patients, hypertension patients, obesity, special people and the like, the dish forms and the component compositions are complex, the method for detecting the nutrition content in the conventional dishes adopts physical and chemical tests, which wastes labor and is expensive in cost and inconvenient to use and popularize, and the method also becomes a great obstacle for influencing people to realize accurate diet. The map technology is widely applied to the field of food rapid detection, but a device and a system for realizing the detection of the nutrient content of the dish food based on the map technology are seriously lacked. The method is characterized in that scholars at home and abroad obtain information such as images, volumes and the like of dishes of a meal by combining an image technology with a machine learning algorithm, and then conjecture the nutritional content of the dishes by combining a dish food database to further infer the calorie content value, the method does not consider factors such as different proportions, different cooking conditions and the like among the dishes, the obtained nutritional content of the dishes is not accurate, the method can be commonly used in mobile phone terminals and laboratory devices at present, but the device does not detect spectral information of the dishes and cannot obtain accurate nutritional content in the dishes; the method can not directly obtain the total content of the nutrient contents in the dishes of a meal, and before detection, the type of the dishes must be selected to complete model matching, so that the method cannot be widely applied in practice.
Disclosure of Invention
The invention provides an optical nondestructive testing device for determining the nutrient content of dishes based on a map, which is used for solving the defect that the nutrient content of dishes cannot be accurately detected in the prior art, avoids the loss of the appearance of the dishes in the mashing process by carrying out solid-liquid separation on the dishes, and realizes the measurement of the nutrient content in the dishes with different proportions and different densities by using an image technology and a spectrum technology and combining an optical mechanical electrical integration method.
The invention provides an optical nondestructive testing device for determining the nutrient content of dishes based on a map, which comprises: the liquid leakage detection device comprises a liquid leakage disc, a liquid containing groove, a spectrum detection module and a liquid spectrum detection module;
the liquid leakage disc is used for containing solid samples to be detected in the cooked food;
the liquid containing tank is arranged below the liquid leaking tray and is used for containing liquid samples to be detected in the cooked food;
the spectrum detection module is arranged above the liquid leakage disc and used for collecting image information and spectrum information of the solid sample to be detected;
the liquid spectrum detection module is arranged on the side part of the liquid containing groove and used for collecting and detecting the spectrum information of the liquid sample to be detected.
According to an embodiment of the present invention, further comprising: the guide groove is arranged between the liquid leakage disc and the liquid containing groove and is used for guiding liquid samples to be detected in dishes and food placed on the liquid leakage disc into the liquid containing groove.
Particularly, this embodiment provides an implementation mode that sets up the guiding groove between weeping dish and flourishing cistern, through setting up the guiding groove, guides the liquid sample that awaits measuring that the weeping dish separated to the flourishing cistern in, is convenient for carry out the detection and the analysis of nutrient content to the liquid sample that awaits measuring after the separation through the flourishing cistern.
According to an embodiment of the present invention, the guide groove includes: the liquid inlet and the liquid outlet are arranged at two ends of the trough arm;
the liquid inlet faces the liquid leakage disc, the liquid outlet faces the liquid containing groove, and the liquid inlet is larger than the liquid outlet;
wherein the slot arm is at least partially conically arranged.
Particularly, the embodiment provides an implementation mode of a guiding groove structure form, and the groove arm is the toper setting for the liquid sample that awaits measuring that separates from the weeping dish can be quick reaches the flourishing cistern through the guiding groove.
According to an embodiment of the present invention, the spectrum detection module includes: the device comprises a support shaft, an image detection lens, an image detection light source and a solid spectrum detection module;
the supporting shaft is arranged above the liquid leakage disc and is collinear with the liquid leakage disc in the axial direction;
the image detection lens is arranged at the end part of the supporting shaft, which faces to one side of the liquid leakage disc;
the image detection light sources are uniformly distributed on the periphery of the image detection lens along the axial direction of the support shaft;
the solid-state spectrum detection module can rotate around the supporting shaft and is used for collecting spectrum information of the solid-state sample to be detected.
Particularly, this embodiment provides an implementation of atlas detection module, through with the back shaft setting in weeping dish axial direction to set up image detection camera lens and image detection light source in back shaft towards weeping dish one side, realize carrying out image information collection to the solid-state sample that awaits measuring on the weeping dish.
Furthermore, the estimation of the volume of the separated solid sample to be detected is realized by collecting the image information of the solid sample to be detected, the solid spectrum detection module detects the spectrum of the solid sample to be detected, the corresponding density of the solid sample to be detected can be obtained according to the spectrum density solid model, and the estimated mass of the solid sample to be detected is obtained according to the volume and density calculation.
Further, the nutrient content of the solid sample to be detected in unit mass can be obtained by inputting the spectrum of the solid sample to be detected into the spectrum nutrient content solid model, and the whole nutrient content of the solid sample to be detected can be obtained according to the estimated mass of the solid sample to be detected.
In an application scene, the dish food is fried eggs with tomatoes, after solid-liquid separation is carried out on the dish food, the solid tomatoes and the eggs are placed on the liquid leakage disc to form a solid sample to be detected, and the liquid substance flows into the liquid containing groove through the guide groove to form a liquid sample to be detected.
According to one embodiment of the invention, the solid-state spectral detection module comprises: the device comprises a first gear, a second gear, a driving unit and a solid-state spectrum detection component;
the first gear is sleeved on the outer side of the supporting shaft;
the second gear is meshed with the first gear;
the driving unit is connected with the second gear and is used for driving the second gear to rotate;
the solid-state spectrum detection assembly is connected with the first gear;
wherein the first gear rotates around the support shaft under the action of the second gear.
Particularly, this embodiment provides an implementation mode of solid-state spectrum detection module, through first gear, second gear and drive unit's setting, has realized the circumferential direction with solid-state spectrum detection subassembly around the back shaft, and then can acquire the spectral information of the solid-state sample that awaits measuring that holds on the drain pan, provides the assurance for obtaining the analysis of dish food nutrient content through image information combination spectrum density solid-state model and spectrum nutrient content solid-state model.
According to one embodiment of the invention, the solid-state spectral detection assembly comprises: the system comprises a first slideway, a second slideway and a solid-state spectrum probe;
the first slide way is connected with the first gear along the axial direction of the supporting shaft;
the second slide way is arranged in the first slide way in a sliding manner and is arranged along the radial direction of the supporting shaft;
the solid-state spectrum probe is arranged in the second slideway in a sliding mode.
Specifically, the present embodiment provides an implementation manner of the solid-state spectrum detection assembly, and the first slideway and the second slideway are arranged, so that the solid-state spectrum probe can realize circular motion through the first gear and the second gear, and can also adjust displacement in the radial direction and the axial direction through the first slideway and the second slideway.
According to one embodiment of the invention, the solid-state spectroscopic probe comprises: the solid-state spectrum fixing seat, the solid-state spectrum detector and the solid-state spectrum light source are arranged on the solid-state spectrum fixing seat;
the solid spectrum fixing seat is arranged in the second slide way in a sliding manner;
the solid-state spectrum detector is arranged on one side, facing the liquid leakage disc, of the solid-state spectrum;
and the plurality of solid-state spectrum light sources are uniformly distributed on the periphery of the solid-state spectrum detector along the collection direction of the solid-state spectrum detector.
In particular, the present embodiments provide an implementation of a solid-state spectroscopic probe head, where the placement of the solid-state spectroscopic mount provides a foundation for cooperation with the first and second slides, and also provides mounting locations for the solid-state spectroscopic detector and the solid-state spectroscopic light source.
It should be noted that each solid-state spectrum detector comprises a solid-state light intensity detection chip and a solid-state light intensity detection lens, the solid-state spectrum light source is a characteristic wavelength light source, the peak wavelength of the light source corresponds to the index parameter of the nutrient content of the detected dish sample, and the characteristic wavelength light source realizes the collection of the spectrum information of the sample to be detected by forming diffuse reflection on the surface of the sample to be detected.
According to one embodiment of the invention, the liquid tank comprises: a liquid collection cavity and a detection cavity;
the liquid collecting cavity is arranged above the detection cavity, and the opening side of the liquid collecting cavity faces one side of the liquid leakage disc and is used for collecting the liquid sample to be detected from the liquid leakage disc;
and a liquid leakage hole is formed in the connecting side of the liquid collecting cavity and the detection cavity and used for guiding the liquid sample to be detected to the detection cavity.
Particularly, this embodiment provides an embodiment in flourishing cistern, through setting up flourishing cistern into album liquid chamber and detection chamber, can collect the liquid sample that awaits measuring that the cooked food separates through the weeping dish through album liquid chamber to get into through the weeping hole and detect the chamber, realize the detection to the liquid sample that awaits measuring.
According to one embodiment of the invention, an ultrasonic detector is further arranged on one side of the liquid collection cavity facing the detection cavity and used for detecting the liquid level height in the detection cavity.
Particularly, this embodiment provides an embodiment that sets up ultrasonic detector in collection liquid chamber, through set up ultrasonic detector in collection liquid intracavity, can learn the height that detects the intracavity liquid level through the ultrasonic wave, and then can learn the volume of liquid sample that awaits measuring according to the volume that detects the chamber, carries out corresponding nutrient content to detect for follow-up quality, density and the spectrum that combines liquid sample that awaits measuring and provides the basis.
According to one embodiment of the invention, the liquid state spectrum detection module comprises: a liquid spectrum probe and a liquid spectrum receiver;
the liquid spectrum probe and the liquid spectrum receiver are respectively arranged on two opposite sides of the detection cavity.
Particularly, this embodiment provides an implementation mode of liquid spectrum detection module, has realized the spectrum collection to the liquid sample that awaits measuring in the detection chamber through liquid spectrum probe and liquid spectrum receiver to combine the intracavity liquid level height that ultrasonic detector surveyed, can generate spectrum and density relevant parameter and model, and then provide the basis for the nutrient content detection of the liquid sample that awaits measuring.
Furthermore, the spectral information of the liquid sample to be detected is acquired and input into the spectral density liquid model, so that the density of the liquid sample to be detected is obtained, and the estimated mass of the liquid sample to be detected is obtained through calculation according to the volume and the density by combining the volume of the liquid sample to be detected calculated through the ultrasonic detector and the detection cavity.
Furthermore, the nutrient content of the liquid sample to be detected in unit mass can be obtained by inputting the spectrum of the liquid sample to be detected into the spectrum nutrient content liquid model, and the whole nutrient content of the liquid sample to be detected can be obtained according to the estimated mass of the liquid sample to be detected.
One or more technical schemes in the invention have at least one of the following technical effects: according to the optical nondestructive testing device for determining the nutrient content of dishes based on the atlas, provided by the invention, the dishes are subjected to solid-liquid separation, the loss of the appearance form of the dishes in the mashing process is avoided, and meanwhile, the measurement of the nutrient content in the dishes with different proportions and different densities is realized by utilizing an image technology and a spectrum technology and combining an optical-mechanical-electrical integration method.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is one of the schematic assembly relations of the optical nondestructive testing device for determining the nutrient content of dishes based on a spectrum provided by the invention;
FIG. 2 is a second schematic view of the assembly relationship of the optical nondestructive testing device for determining the nutrient content of dishes based on spectra provided by the invention;
FIG. 3 is a third schematic view of the assembly relationship of the optical nondestructive testing device for determining the nutrient content of dishes based on a spectrum provided by the invention;
FIG. 4 is a schematic diagram of an assembly relationship of an image detection module in the optical nondestructive detection device for determining the nutrient content of dishes based on a map provided by the invention;
FIG. 5 is a schematic diagram of the assembly relationship of the solid-state spectrum detection module in the optical nondestructive detection device for determining the nutrient content of dishes based on spectra provided by the invention;
FIG. 6 is a schematic diagram of the assembly relationship of the solid-state spectrum detection component in the optical nondestructive detection device for determining the nutrient content of dishes based on spectra provided by the invention;
FIG. 7 is a schematic structural diagram of a weeping pan in the optical nondestructive testing device for determining the nutrient content of dishes based on a spectrum, provided by the invention;
FIG. 8 is a schematic structural diagram of a guide groove in the optical nondestructive testing device for determining the nutrient content of dishes based on a spectrum provided by the invention;
FIG. 9 is a schematic structural diagram of a liquid containing tank in the optical nondestructive testing device for determining the nutrient content of dishes based on a spectrum provided by the invention;
FIG. 10 is a second schematic structural view of a liquid tank in the optical nondestructive testing device for determining the nutrient content of dishes based on spectra according to the present invention;
FIG. 11 is a third schematic structural view of a liquid containing tank in the optical nondestructive testing device for determining the nutrient content of dishes based on a spectrum.
Reference numerals:
10. a liquid leakage tray; 20. a liquid containing groove; 21. a liquid collection cavity;
211. a weep hole; 212. an ultrasonic detector; 22. a detection chamber;
30. an atlas detection module; 31. a support shaft; 32. an image detection lens;
33. an image detection light source; 40. a liquid spectrum detection module; 41. a liquid spectral probe;
42. a liquid spectral receiver; 50. a guide groove; 51. a slot arm;
52. a liquid inlet; 53. a liquid outlet; 60. a solid state spectral detection module;
61. a first gear; 62. a second gear; 63. a drive unit;
64. a solid state spectral detection assembly; 65. a first slideway; 66. a second slideway;
67. a solid state spectral probe; 671. a solid-state spectrum fixing seat; 672. a solid state spectral detector;
673. solid state spectral light source.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In some embodiments of the present invention, as shown in fig. 1 to 11, the present solution provides an optical nondestructive testing device for determining the nutrient content of dishes based on spectra, comprising: the liquid leakage detection device comprises a liquid leakage disc 10, a liquid containing groove 20, a spectrum detection module 30 and a liquid spectrum detection module 40; the liquid leakage disc 10 is used for containing solid samples to be detected in cooked food; the liquid containing tank 20 is arranged below the liquid leaking tray 10 and is used for containing liquid samples to be tested in the cooked food; the spectrum detection module 30 is arranged above the liquid leakage disc 10 and is used for collecting image information and spectrum information of a solid sample to be detected; the liquid spectrum detection module 40 is disposed at a side portion of the liquid containing tank 20 and is configured to collect spectrum information of a liquid sample to be detected.
In detail, the invention provides an optical nondestructive detection device for determining the nutrient content of dishes based on a map, which is used for solving the defect that the nutrient content of dishes cannot be accurately detected in the prior art, avoids influencing the internal nutrient content of the dishes in the mashing process by carrying out solid-liquid separation on the dishes, and realizes the measurement of the internal nutrient content of the dishes with different proportions and different densities by using an image technology and a spectrum technology and combining an optical mechanical electrical integration method.
In some possible embodiments of the present invention, the method further includes: and the guide groove 50 is arranged between the liquid leakage tray 10 and the liquid containing groove 20, and is used for guiding liquid samples to be tested in dishes and food placed on the liquid leakage tray 10 into the liquid containing groove 20.
Specifically, the embodiment provides an implementation mode in which the guiding groove 50 is provided between the weep pan 10 and the liquid containing groove 20, and by providing the guiding groove 50, the liquid sample to be tested separated from the weep pan 10 is guided into the liquid containing groove 20, so that the separated liquid sample to be tested can be conveniently detected and analyzed for the nutrient content through the liquid containing groove 20.
In some possible embodiments of the invention, the guide slot 50 comprises: a trough arm 51, and a liquid inlet 52 and a liquid outlet 53 provided at both ends of the trough arm 51; the liquid inlet 52 faces the liquid leakage tray 10, the liquid outlet 53 faces the liquid containing groove 20, and the liquid inlet 52 is larger than the liquid outlet 53; wherein the slot arm 51 is at least partially conically arranged.
Specifically, the present embodiment provides an embodiment of the guiding groove 50, and the groove arm 51 is tapered, so that the liquid sample to be tested separated from the leakage tray 10 can rapidly reach the liquid containing groove 20 through the guiding groove 50.
In some possible embodiments of the invention, the spectrum detection module 30 comprises: a support shaft 31, an image detection lens 32, an image detection light source 33 and a solid-state spectrum detection module 60; the supporting shaft 31 is arranged above the leakage tray 10 and is collinear with the axial direction of the leakage tray 10; the image detection lens 32 is arranged at the end of the supporting shaft 31 facing the drain pan 10; a plurality of image detection light sources 33 are uniformly distributed on the periphery of the image detection lens 32 along the axial direction of the support shaft 31; the solid-state spectrum detection module 60 can rotate around the support shaft 31 and is used for collecting spectrum information of a solid-state sample to be detected.
Specifically, the embodiment provides an implementation manner of the spectrum detection module 30, and the support shaft 31 is arranged in the axial direction of the leakage tray 10, and the image detection lens 32 and the image detection light source 33 are arranged on the support shaft 31 facing the leakage tray 10, so as to realize image information acquisition on the solid sample to be detected on the leakage tray 10.
Furthermore, the estimation of the volume of the separated solid sample to be detected is realized by collecting the image information of the solid sample to be detected, and the solid spectrum detection module 60 detects the spectrum of the solid sample to be detected, so that the corresponding density of the solid sample to be detected can be obtained according to the spectrum density solid model, and then the estimated mass of the solid sample to be detected can be obtained according to the volume and density calculation.
Further, the nutrient content of the solid sample to be detected in unit mass can be obtained by inputting the spectrum of the solid sample to be detected into the spectrum nutrient content solid model, and the whole nutrient content of the solid sample to be detected can be obtained according to the estimated mass of the solid sample to be detected.
In an application scenario, the dish food is fried eggs with tomatoes, after solid-liquid separation, the solid tomatoes and the eggs are placed on the liquid leakage tray 10 to form a solid sample to be detected, and the liquid substance flows into the liquid containing tank 20 through the guide groove 50 to form a liquid sample to be detected.
In some possible embodiments of the present invention, the solid-state spectral detection module 60 comprises: a first gear 61, a second gear 62, a drive unit 63, and a solid-state spectrum detection assembly 64; the first gear 61 is sleeved outside the support shaft 31; the second gear 62 is meshed with the first gear 61; the driving unit 63 is connected with the second gear 62 and is used for driving the second gear 62 to rotate; the solid-state spectrum detection assembly 64 is connected with the first gear 61; wherein the first gear 61 is rotated around the support shaft 31 by the second gear 62.
Specifically, this embodiment provides an implementation mode of solid-state spectrum detection module 60, through the setting of first gear 61, second gear 62 and drive unit 63, has realized the circumferential direction with solid-state spectrum detection subassembly 64 around back shaft 31, and then can acquire the spectral information of the solid-state sample that awaits measuring that holds on the drain pan 10, provides the assurance for obtaining the analysis of dish food nutrient content through image information combination spectrum density solid-state model and spectrum nutrient content solid-state model.
In some possible embodiments of the present invention, the solid state spectral detection assembly 64 includes: a first slide 65, a second slide 66 and a solid state spectral probe 67; the first slide 65 is connected to the first gear 61 in the axial direction of the support shaft 31; the second slide way 66 is slidably arranged in the first slide way 65 and arranged along the radial direction of the support shaft 31; a solid-state spectroscopic probe 67 is slidably disposed within the second slide 66.
Specifically, the present embodiment provides an embodiment of the solid-state spectrum detection assembly 64, and the first slide way 65 and the second slide way 66 are arranged such that the solid-state spectrum probe 67 can perform a displacement adjustment in the radial direction and the axial direction through the first slide way 65 and the second slide way 66 while performing a circular motion through the first gear 61 and the second gear 62.
In some possible embodiments of the invention, the solid-state spectroscopic probe 67 comprises: solid-state spectrum mount 671, solid-state spectrum detector 672, and solid-state spectrum light source 673; the solid-state spectrum fixing seat 671 is slidably arranged in the second slide way 66; the solid-state spectrum detector 672 is arranged on one side of the solid-state spectrum, which faces the liquid leakage disc 10; the plurality of solid-state spectral light sources 673 are uniformly distributed on the outer periphery of the solid-state spectral detector 672 along the collecting direction of the solid-state spectral detector 672.
In particular, the present embodiment provides an implementation of solid-state spectral probe 67, the provision of solid-state spectral mount 671 provides the basis for cooperation with first and second slides 65, 66, as well as providing mounting locations for solid-state spectral detector 672 and solid-state spectral light source 673.
It should be noted that each solid-state spectrum detector 672 comprises a solid-state light intensity detection chip and a solid-state light intensity detection lens, the solid-state spectrum light source 673 is a characteristic wavelength light source, the peak wavelength of the light source corresponds to the index parameter of the nutrient content of the detected dish sample, and the characteristic wavelength light source realizes the collection of the spectrum information of the sample to be detected by forming diffuse reflection on the surface of the sample to be detected.
In some possible embodiments of the invention, the liquid tank 20 comprises: a liquid collection chamber 21 and a detection chamber 22; the liquid collecting cavity 21 is arranged above the detection cavity 22, and the opening side of the liquid collecting cavity 21 faces one side of the liquid leakage disc 10 and is used for collecting a liquid sample to be detected from the liquid leakage disc 10; the liquid collecting cavity 21 is provided with a liquid leakage hole 211 at the connecting side with the detection cavity 22, and the liquid leakage hole 211 is used for guiding the liquid sample to be detected to the detection cavity 22.
Particularly, this embodiment provides an implementation mode of liquid containing groove 20, through setting up liquid containing groove 20 to liquid collecting cavity 21 and detection chamber 22, can collect the liquid sample that awaits measuring that dish food passes through drain pan 10 and separates through liquid collecting cavity 21 to get into detection chamber 22 through weeping hole 211, realize the detection to the liquid sample that awaits measuring.
In some possible embodiments of the present invention, an ultrasonic detector 212 is further disposed on a side of the liquid collecting cavity 21 facing the detection cavity 22, and the ultrasonic detector 212 is used for detecting the liquid level in the detection cavity 22.
Particularly, this embodiment provides an implementation mode that sets up ultrasonic detector 212 in collection liquid chamber 21, through set up ultrasonic detector 212 in collection liquid chamber 21, can learn the height of detecting the interior liquid level of chamber 22 through the ultrasonic wave, and then can learn the volume of liquid sample that awaits measuring according to the volume that detects chamber 22, carries out corresponding nutrient content detection for the follow-up quality, density and the spectrum that combines liquid sample that awaits measuring and provides the basis.
In some possible embodiments of the present invention, the liquid spectrum detection module 40 includes: a liquid spectrum probe 41 and a liquid spectrum receiver 42; the liquid spectrum probe 41 and the liquid spectrum receiver 42 are respectively arranged at two opposite sides of the detection cavity 22.
Specifically, the embodiment provides an implementation manner of the liquid spectrum detection module 40, the spectrum acquisition of the liquid sample to be detected in the detection cavity 22 is realized through the liquid spectrum probe 41 and the liquid spectrum receiver 42, and in combination with the liquid level height in the detection cavity 22 measured by the ultrasonic detector 212, parameters and models related to spectrum and density can be generated, so as to provide a basis for detecting the nutrient content of the liquid sample to be detected.
Further, by collecting the spectrum information of the liquid sample to be detected and inputting the spectrum information into the spectrum density liquid model, the density of the liquid sample to be detected is obtained, and by combining the volume of the liquid sample to be detected calculated through the ultrasonic detector 212 and the detection cavity 22, the estimated mass of the liquid sample to be detected is obtained through calculation according to the volume and the density.
Further, the spectrum of the liquid sample to be detected is input into the spectrum nutrient content liquid model, so that the nutrient content of the liquid sample to be detected in unit mass can be obtained, and the whole nutrient content of the liquid sample to be detected can be obtained according to the estimated mass of the liquid sample to be detected.
In the description of the embodiments of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described 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.
Finally, it should be noted that: the above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. An optical nondestructive testing device for determining the nutrient content of dishes based on a map is characterized by comprising: the liquid leakage detection device comprises a liquid leakage disc, a liquid containing groove, a spectrum detection module and a liquid spectrum detection module;
the liquid leakage disc is used for containing a solid sample to be detected in the cooked food;
the liquid containing tank is arranged below the liquid leaking tray and is used for containing liquid samples to be detected in the cooked food;
the spectrum detection module is arranged above the liquid leakage disc and is used for collecting image information and spectrum information of the solid-state sample to be detected;
the liquid spectrum detection module is arranged on the side part of the liquid containing groove and used for collecting and detecting the spectrum information of the liquid sample to be detected.
2. The apparatus of claim 1, further comprising: the guide groove is arranged between the liquid leakage disc and the liquid containing groove and is used for guiding liquid samples to be detected in dishes and food placed on the liquid leakage disc into the liquid containing groove.
3. The optical nondestructive testing device for determining the nutrient content of dishes based on the spectrum as claimed in claim 2, wherein the guiding groove comprises: the groove arm is arranged on the liquid inlet and the liquid outlet at two ends of the groove arm;
the liquid inlet faces the liquid leakage tray, the liquid outlet faces the liquid containing groove, and the liquid inlet is larger than the liquid outlet;
wherein the slot arm is at least partially tapered.
4. The optical nondestructive testing device for determining the nutrient content of dishes based on the spectrum of claim 1, wherein the spectrum detection module comprises: the device comprises a support shaft, an image detection lens, an image detection light source and a solid-state spectrum detection module;
the supporting shaft is arranged above the liquid leakage disc and is collinear with the axial direction of the liquid leakage disc;
the image detection lens is arranged at the end part of the supporting shaft, which faces to one side of the liquid leakage disc;
the image detection light sources are uniformly distributed on the periphery of the image detection lens along the axial direction of the supporting shaft;
the solid-state spectrum detection module can rotate around the supporting shaft and is used for collecting spectrum information of the solid-state sample to be detected.
5. The apparatus of claim 4, wherein the solid-state spectrum detection module comprises: the device comprises a first gear, a second gear, a driving unit and a solid-state spectrum detection component;
the first gear is sleeved on the outer side of the supporting shaft;
the second gear is meshed with the first gear;
the driving unit is connected with the second gear and is used for driving the second gear to rotate;
the solid-state spectrum detection assembly is connected with the first gear;
wherein the first gear rotates around the support shaft under the action of the second gear.
6. The apparatus of claim 5, wherein the solid-state spectrum detection assembly comprises: the system comprises a first slideway, a second slideway and a solid-state spectrum probe;
the first slide way is connected with the first gear along the axial direction of the supporting shaft;
the second slide way is arranged in the first slide way in a sliding manner and is arranged along the radial direction of the support shaft;
the solid-state spectrum probe is arranged in the second slideway in a sliding mode.
7. The apparatus of claim 6, wherein the solid-state spectrum probe comprises: the solid-state spectrum fixing seat, the solid-state spectrum detector and the solid-state spectrum light source are arranged on the solid-state spectrum fixing seat;
the solid spectrum fixing seat is arranged in the second slide way in a sliding manner;
the solid-state spectrum detector is arranged on one side, facing the liquid leakage disc, of the solid-state spectrum;
and the plurality of solid-state spectrum light sources are uniformly distributed on the periphery of the solid-state spectrum detector along the collection direction of the solid-state spectrum detector.
8. The optical nondestructive testing device for determining the nutrient content of dishes based on spectra as claimed in any one of claims 1 to 7, wherein the liquid containing tank comprises: a liquid collection cavity and a detection cavity;
the liquid collecting cavity is arranged above the detection cavity, and the opening side of the liquid collecting cavity faces one side of the liquid leakage disc and is used for collecting the liquid sample to be detected from the liquid leakage disc;
and a liquid leakage hole is formed in the connecting side of the liquid collecting cavity and the detection cavity and used for guiding the liquid sample to be detected to the detection cavity.
9. The device for optically nondestructive testing of nutrient content of dishes according to claim 8, wherein an ultrasonic detector is further disposed on a side of the liquid collection chamber facing the detection chamber, and the ultrasonic detector is used for detecting the liquid level height in the detection chamber.
10. The apparatus of claim 8, wherein the liquid spectrum detection module comprises: a liquid spectrum probe and a liquid spectrum receiver;
the liquid spectrum probe and the liquid spectrum receiver are respectively arranged on two opposite sides of the detection cavity.
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| HUT78074A (en) * | 1994-11-04 | 1999-08-30 | Lamina, Inc. | Method and apparatus for preparing substances for optical analysis |
| CN101251526B (en) * | 2008-02-26 | 2012-08-29 | 浙江大学 | Method and apparatus for nondestructively testing food synthetic quality |
| JP2013092372A (en) * | 2011-10-24 | 2013-05-16 | Seiko Epson Corp | Spectral image processor, spectral image processing method and computer program |
| US20140058224A1 (en) * | 2012-08-21 | 2014-02-27 | Opticks, Inc. | Systems and methods for detection of carotenoid-related compounds in biological tissue |
| DE102014104442A1 (en) * | 2014-03-28 | 2015-10-01 | Zumo Gmbh Agentur Für Gestaltung | Method and system for determining a nutritional value of a dish |
| CN105147216B (en) * | 2015-10-08 | 2017-12-29 | 佛山市顺德区美的洗涤电器制造有限公司 | Nutritional surveillance system and nutritional surveillance method and dish-washing machine |
| CN105486657A (en) * | 2015-12-31 | 2016-04-13 | 深圳市芭田生态工程股份有限公司 | Method for measuring main nutritional components of leaf vegetables through spectrometry |
| CN105527236A (en) * | 2015-12-31 | 2016-04-27 | 深圳市芭田生态工程股份有限公司 | Method for determination of main nutritional components of agricultural product by use of spectroscopy method |
| CN106596435A (en) * | 2016-12-29 | 2017-04-26 | 湖南餐智科技有限公司 | Food material quality detecting system |
| CN111665201A (en) * | 2020-04-30 | 2020-09-15 | 华为技术有限公司 | Spectrum detection method, mobile terminal and chip system |
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