CN208043677U - The ripe degree detection device of egg based on light transmission method - Google Patents
The ripe degree detection device of egg based on light transmission method Download PDFInfo
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- CN208043677U CN208043677U CN201820621352.2U CN201820621352U CN208043677U CN 208043677 U CN208043677 U CN 208043677U CN 201820621352 U CN201820621352 U CN 201820621352U CN 208043677 U CN208043677 U CN 208043677U
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- egg
- light transmission
- ripe degree
- transmission method
- detection device
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Abstract
The utility model discloses a kind of ripe degree detection devices of egg based on light transmission method, including pedestal and the shell with the mating formation closed cavity of pedestal；Pedestal open top, internal cavities are provided with the bracket for carrying egg, the through-hole being adapted to LED light are provided with below bracket；LED light is fixed on base cavity bottom；Pedestal lateral surface is provided with power supply；Case inside is equipped with the holder for placing microprocessor and ccd image sensor, the central part of the camera position aligning bracket horizontal plane projection of ccd image sensor；The lateral surface of shell is provided with display screen.The ripe degree detection device of egg based on light transmission method keeps the ripe degree of egg easy to detect, rapid, efficient as long as the light transmission image by acquiring egg, can realize the accurate judgement to the ripe degree of egg.
Description
Technical field
The utility model belongs to culinary art monitoring device technical field, is related to the detection of ripe degree in egg heating process, specifically
It is related to a kind of ripe degree detection device of the egg based on light transmission method.
Background technology
Boiled egg is a kind of very universal egg cooking method.Mouthfeel, quality and the nutritive value of different ripe degree eggs
Difference, and part vegetables are also required to the egg of different ripe degree as garnishes.According to demand, it is ripe that it is commonly used in detection egg at present
The method of degree, mainly there is rotary process, hand method, saline floatation method etc., these methods all can only be rule of thumb to carry out qualitative sentencing
Disconnected egg it is ripe with it is not yet done, can not accomplish the ripe degree of detection egg of accurate quantitative analysis.
Golden will is strong et al. proposed in 2008 using Nuclear Magnetic Resonance Measurement egg Free water and in conjunction with water ratio method come
Detecting the ripe degree of egg, (Jin Zhiqiang, Zhang Jin win cooked process [J] the food works of using nuclear magnetic resonance and image-forming principle research egg
Industry science and technology, 29 (8):112-114,2008), reached higher precision, but the method is expensive, lacks daily practicality
Property.
Illumination analytic approach is widely used in the material analysis such as food, chemistry detection.B.J.Kemps et al. has studied egg
Relationship (B J Kemps, F RBamelis.Visible between freshness and its transmission and reflection characteristic to light
transmission spectroscopy for the assessment of egg freshness[J].Journal of
the Science of Food&Agriculture,86(9):1399-1406,2006), which has obtained egg light transmittance
With the relationship of its freshness index (Hough unit), but egg can only be also divided into qualified and unqualified two grades, precision
Mistake sieve leakage sieve probability that is relatively low and having about 15%, this is because egg internal structure is complicated, the light transmitting property under light source irradiation
Research mostly rest on qualitative analysis level.
In conclusion the method for detecting the ripe degree of egg at present, cannot achieve the quantitative analysis to the ripe degree of egg, it is difficult to meet
Food industry requirement.
Utility model content
For the state of the art for realizing the ripe degree quantitative testing device of egg is lacked at present, this practicability provides one kind and is based on
The ripe degree detection device of egg of light transmission method, can realize the accurate detection to the ripe degree of egg.
The ripe degree detection device of egg provided by the utility model based on light transmission method, including pedestal and with the mating shape of pedestal
At the shell of closed cavity；The pedestal open top, internal cavities are provided with the bracket for carrying egg, bracket lower section
It is provided with the through-hole being adapted to LED light；The LED light is fixed on base cavity bottom；The pedestal lateral surface is provided with power supply；
The case inside is equipped with the holder for placing microprocessor and ccd image sensor, the camera shooting position of ccd image sensor
Set the central part of aligning bracket horizontal plane projection；The lateral surface of the shell is provided with display screen.
The ripe degree detection device of the above-mentioned egg based on light transmission method, the holder are made of support panel and U-shaped board, supporting surface
Edges of boards edge is connected with case inside face, and U-shaped board inversion is fixed on support panel, is formed after the two combination and accommodates ccd image sensing
The cavity of device, and support and be provided with the through-hole opposite with ccd image sensor camera position on panel；The microprocessor is fixed
On U-shaped board end face.
The ripe degree detection device of the above-mentioned egg based on light transmission method is kept away to make pedestal and shell contact site good seal
Exempt from excessive light to enter in the cavity that pedestal is formed with shell, to influence the acquisition to egg light transmission image, the pedestal
It is connected as one by snap fit with the contact site of shell, such as the pedestal edge opposite with shell is provided with and matches
Groove and protrusion, protrusion is assembled in groove, to make pedestal and shell contact site play good sealing effect.
The ripe degree detection device of the above-mentioned egg based on light transmission method, the microprocessor are passed with display screen and ccd image respectively
Sensor connects.The microprocessor is handled the image of acquisition for receiving the image from ccd image sensor,
Extract the information such as yolk diameter, egg center gray scale；FPGA development boards may be used in the microprocessor.The ccd image passes
The egg light transmission image transmitting of acquisition is carried out image procossing by sensor to microprocessor, and ccd image sensor may be used
OV2640 cameras.The display screen is for showing that the ripe degree of egg or the numerical value for indicating the ripe degree of egg, display screen can be adopted
With JLX12864G-086-PC liquid crystal displays.
The ripe degree detection device of the above-mentioned egg based on light transmission method, the power supply for powering, respectively with microprocessor, display
Screen, LED light are connected with ccd image sensor.
The operation principle of the ripe degree detection device of the above-mentioned egg based on light transmission method：The egg for boiling to a certain extent is positioned over
On bracket, then by case cover on pedestal, it is ensured that shell and base into contact position good seal power on, open LED light,
The light transmission image of egg is obtained using microprocessor control ccd image sensor, ccd image sensor is by the egg light transmission of acquisition
Image transmitting is handled egg light transmission image to microprocessor, by microprocessor, is obtained in image mesolecithal diameter, egg
The information such as heart gray scale, and the central temperature of yolk is obtained according to these information, final foundation yolk central temperature and the ripe degree of egg
Correspondence obtain the ripe degree of egg, and shown on a display screen.
Compared with prior art, the utility model has the advantages that：
1, the ripe degree detection device of egg of the utility model based on light transmission method, as long as the light transmission image by acquiring egg,
It can realize the accurate judgement to the ripe degree of egg, keep the ripe degree of egg easy to detect, rapid, efficient；
2, the ripe degree detection device of egg of the utility model based on light transmission method acquires egg using ccd image sensor
Light transmission image handles egg light transmission image using microprocessor to obtain the ripe degree of egg, may be implemented to the ripe degree of egg
Quantitative analysis, to improve the accuracy rate that degree ripe to egg judges；
3, the ripe degree detection device of egg of the utility model based on light transmission method, it is simple in structure, cost is low, operation side
Just, there is very strong practicability, suitable for being promoted in fields such as food cookings.
Description of the drawings
Fig. 1 is the structural schematic diagram of the ripe degree detection device of egg of the utility model based on light transmission method.
Fig. 2 is the egg light transmission picture under higher contrast.
Wherein, 1- microprocessors, 2- display screens, 3- holders, 4- pedestals, 5-LED lamps, 6- power supplys, 7- brackets, 8- shells,
9-CCD imaging sensors.
Specific implementation mode
Clear, complete description is carried out to the technical solution of various embodiments of the utility model below with reference to attached drawing, it is clear that
Described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the utility model
Disclosure, those of ordinary skill in the art without creative efforts can be in a manner of other embodiments
Implement the utility model, the embodiment of these embodiments belongs to the range that the utility model is protected.
Embodiment
The ripe degree detection device of egg provided in this embodiment based on light transmission method, as shown in Figure 1, whole is in spheroid shape, by
8 two parts of pedestal 4 and shell form, after pedestal and shell assembling, closing chamber of the Inner Constitution to egg light transmission Image Acquisition
Body.
As shown in Figure 1,4 open top of pedestal, internal cavities are provided with the bracket 7 for carrying egg, 7 lower section of bracket
It is provided with the through-hole being adapted to LED light 5；LED light 5 is fixed on base cavity bottom；4 lateral surface of pedestal is provided with power supply 6.Shell
8 insides are equipped with holder 3；Holder 3 is for placing microprocessor 1 and ccd image sensor 9, and holder 3 is by support panel and U-shaped
Board group is at support face plate edge is connected with 8 medial surface of shell, and U-shaped board inversion is fixed on support panel, is formed and is held after the two combination
It receives the cavity of ccd image sensor 9, and supports and be provided with the through-hole opposite with ccd image sensor camera position on panel, make
The central part of 7 horizontal plane of the camera position aligning bracket projection of ccd image sensor 9, microprocessor 1 are fixed on U-shaped board end
On face；The lateral surface of shell 2 is provided with display screen 2.Microprocessor 1 is connect with display screen 2 and ccd image sensor 9 respectively.Electricity
Source 6 is connect with microprocessor 1, display screen 2, LED light 5 and ccd image sensor 9 respectively, is powered for it.
Above-mentioned microprocessor is FPGA development boards, and above-mentioned ccd image sensor is OV2640 cameras, and above-mentioned display screen is
JLX12864G-086-PC liquid crystal displays.OV2640 cameras and JLX12864G-086-PC liquid crystal displays are external to FPGA
On development board, FPGA development boards can be used for controlling OV2640 cameras and start, close, and acquire and scheme to OV2640 cameras
The storage of picture and image procossing.
Above-mentioned OV2640 cameras are pierced by the central part that 7 horizontal plane of aligning bracket projects from through-hole, while ensuring bracket
Upper egg major and minor axis intersection point is located at camera picture center, and makes its long axis and any middle overlapping of axles of picture.
Pedestal 4 is connected by the groove of the pedestal edge setting opposite with shell with protrusion clamping with the docking site of shell 8
It is integrated.
The process for detecting the ripe degree of egg using the ripe degree detection device of the above-mentioned egg based on light transmission method includes the following steps：
(1) egg for boiling to a certain extent is positioned on bracket, it is ensured that egg major and minor axis intersection point is located at camera shooting on bracket
Head picture center, and make its long axis and any middle overlapping of axles of picture.Again by case cover on pedestal, it is ensured that shell and base into contact
Position good seal powers on 6, opens LED light 5, and controlling OV2640 cameras by FPGA development boards obtains the saturating of egg
Light image, OV2640 cameras give the egg light transmission image transmitting of acquisition to FPGA development boards.
(2) FPGA development boards handle egg light transmission image to obtain the ripe degree of egg, and concrete analysis process is as follows：
(21) handled to obtain the gray level image of egg (such as Fig. 2 institutes to egg light transmission image by conventional filtering algorithm
Show)；
(22) take the average value of picture center 50*50 pixel grey scales as egg center gray scale g；
(23) gray value on central axes parallel with egg long axis in gray level image is taken, obtains one along long axis direction
Intensity profile curve, and then long axis length a on the axis is acquired by the conventional fractionation algorithm based on threshold value and yolk is straight
Diameter d；Equally, the gray value on central axes parallel with egg short axle in gray level image is taken, an ash along short-axis direction is obtained
Distribution curve is spent, the minor axis length b on the axis is acquired by the conventional fractionation algorithm based on threshold value.
(24) data that step (22) and step (23) obtain are substituted into following formula and obtains the yolk center of egg to be measured
Temperature TC：
In formula, g is the center gray scale of egg picture to be measured；D (mm) is yolk diameter；It is approximately ball that R, which is by egg to be measured,
Radius when shape,A and b is respectively the long axis and short axle of egg to be measured, and unit is mm.
(25) according to the yolk central temperature T of settingCWith the correspondence of ripe degree, the ripe degree of egg can be determined.Setting
Yolk central temperature TCCorrespondence with ripe degree is：TC35 DEG C of < makes a living, 35 DEG C≤TC≤ 45 DEG C ripe for one, 45 DEG C of < TC
≤ 55 DEG C ripe for three, 55 DEG C of < TC≤ 65 DEG C are medium rare, 65 DEG C of < TC≤ 75 DEG C are medium well, 75 DEG C of < TC≤ 85 DEG C are
Ninety percent is ripe, and 86 DEG C or more are well done.
(3) the ripe degree result of obtained egg is transmitted on display screen and shows by FPGA development boards.
The ripe degree detection device of egg based on light transmission method provided by the utility model have accuracy of detection high, simple operation and
The advantages that universality is good can also promote for the coagulation grade in non-intrusion measurement object mushy stage conversion process.
Claims (6)
1. a kind of ripe degree detection device of egg based on light transmission method, it is characterised in that including pedestal (4) and with the mating shape of pedestal
At the shell (8) of closed cavity；Pedestal (4) open top, internal cavities are provided with the bracket for carrying egg
(7), it is provided with the through-hole being adapted to LED light (5) below bracket (7)；The LED light (5) is fixed on base cavity bottom；It is described
Pedestal (4) lateral surface is provided with power supply (6)；It is equipped on the inside of the shell (8) for placing microprocessor (1) and ccd image
The holder (3) of sensor (9), the central part of camera position aligning bracket (7) horizontal plane projection of ccd image sensor (9)；
The lateral surface of the shell is provided with display screen (2).
2. the ripe degree detection device of egg according to claim 1 based on light transmission method, it is characterised in that the holder is by supporting
Panel and U-shaped board composition, support face plate edge are connected with shell (8) medial surface, and U-shaped board inversion is fixed on support panel, the two
The cavity for accommodating ccd image sensor (9) is formed after combination, and is supported to be provided on panel and imaged position with ccd image sensor
Set opposite through-hole；The microprocessor (1) is fixed on U-shaped board end face.
3. the ripe degree detection device of the egg according to claim 1 or claim 2 based on light transmission method, it is characterised in that the pedestal (4)
It is connected as one by snap fit with the contact site of shell (8).
4. the ripe degree detection device of egg according to claim 3 based on light transmission method, it is characterised in that the microprocessor point
It is not connect with display screen and ccd image sensor.
5. the ripe degree detection device of egg according to claim 4 based on light transmission method, it is characterised in that the microprocessor is
FPGA development boards, the display screen are JLX12864G-086-PC liquid crystal displays, and the ccd image sensor is taken the photograph for OV2640
As head.
6. the ripe degree detection device of egg according to claim 3 based on light transmission method, it is characterised in that the power supply respectively with
Microprocessor, display screen, LED light are connected with ccd image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621352.2U CN208043677U (en) | 2018-04-28 | 2018-04-28 | The ripe degree detection device of egg based on light transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820621352.2U CN208043677U (en) | 2018-04-28 | 2018-04-28 | The ripe degree detection device of egg based on light transmission method |
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| Publication Number | Publication Date |
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| CN208043677U true CN208043677U (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820621352.2U Expired - Fee Related CN208043677U (en) | 2018-04-28 | 2018-04-28 | The ripe degree detection device of egg based on light transmission method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111700497A (en) * | 2020-07-13 | 2020-09-25 | 浙江峰恒电器有限公司 | Egg boiler |
-
2018
- 2018-04-28 CN CN201820621352.2U patent/CN208043677U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111700497A (en) * | 2020-07-13 | 2020-09-25 | 浙江峰恒电器有限公司 | Egg boiler |
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Granted publication date: 20181102 Termination date: 20210428 |