CN109541155A - A kind of non-destructive detecting device and its method with packaged dairy product - Google Patents
A kind of non-destructive detecting device and its method with packaged dairy product Download PDFInfo
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- CN109541155A CN109541155A CN201710862663.8A CN201710862663A CN109541155A CN 109541155 A CN109541155 A CN 109541155A CN 201710862663 A CN201710862663 A CN 201710862663A CN 109541155 A CN109541155 A CN 109541155A
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- 235000013365 dairy product Nutrition 0.000 title claims abstract description 88
- 230000001066 destructive effect Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 10
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000002463 transducing effect Effects 0.000 claims abstract description 10
- 238000009659 non-destructive testing Methods 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims abstract description 3
- 238000012360 testing method Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 19
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 6
- 239000006071 cream Substances 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000000047 product Substances 0.000 description 8
- 235000013336 milk Nutrition 0.000 description 7
- 239000008267 milk Substances 0.000 description 7
- 210000004080 milk Anatomy 0.000 description 7
- 239000002184 metal Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000193830 Bacillus <bacterium> Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical compound [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 1
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 description 1
- 241000186046 Actinomyces Species 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- 244000057717 Streptococcus lactis Species 0.000 description 1
- 235000014897 Streptococcus lactis Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003205 diastolic effect Effects 0.000 description 1
- 235000019621 digestibility Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000014103 egg white Nutrition 0.000 description 1
- 210000000969 egg white Anatomy 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 230000004130 lipolysis Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000003170 nutritional factors Nutrition 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/04—Dairy products
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/10—Determining the moment of inertia
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dairy Products (AREA)
Abstract
The present invention provides a kind of non-destructive detecting device with packaged dairy product, including: sample detection platform, for placing band packaged dairy product to be detected；Vertical rotatable parts are connected with sample detection platform, are used to indicate the rotational parameters of sample detection platform；Support member is distributed, for maintaining sample detection platform and vertical rotatable parts to be rotated in settling position positioned at the underface of sample detection platform, and around vertical rotatable parts；Rotary driving part, for driving the rotation of sample detection platform and vertical rotatable parts；Determination sensor, for acquiring the rotational parameters of vertical rotatable parts and exporting transducing signal；Computer, for acquire determination sensor output transducing signal, calculate the rotary inertia with packaged dairy product, and provide with packaged dairy product whether He Ge analysis result.The present invention also provides a kind of lossless detection methods.The present invention can fast and effeciently carry out non-destructive testing band packaged dairy product.
Description
Technical field
The present invention relates to the Nondestructive Testing Technologyfor Quality of Dike fields of dairy products more particularly to a kind of with the lossless of packaged dairy product
Detection device and its method.
Background technique
Currently, important industry of the Dairy Products Industry Implementing as national economy has become the national nutrition quality of raising, promotes economy
The important means of development.The nutritional factors such as protein, fat, lactose, multivitamin and minerals in dairy products are in human body
Interior digestibility can reach 92%-98%.With human consumption's Concept Change, dairy products production and processing industry are presented
The trend rapidly increased.However, in bacillus, Bacillus acidi lactici, streptococcus lactis, actinomyces, enteron aisle aerogenic bacteria, false unit cell bar
It, can be straight under the alienation conditions such as temperature and/or pressure under conditions of the germ contaminations such as bacterium, or during production and preservation
Connect the variation for causing dairy products physical behavior, such as lipolysis and protein coagulating etc..In addition, dairy products doping, adulterated etc.
Quality problems are also increasingly prominent.
Currently, dairy products in the market include pure milk, pattern milk, lactic acid drink, half concentrated milk, milk tea, fruit milk and egg
White beverage etc. is mainly packed in the form of packed, box-packed, canned, bottled etc..Quality testing is carried out for these dairy products
When, the wet-chemical inspection for mainly taking manual breakage to pack carries out Manual chemical titration, PH detection etc. after opening packaging.
But when in face of typical products in mass production detection, the operating procedure of Manual chemical titration and PH detection is more complicated, inspection
It is lower to survey efficiency.Waste not only is caused to dairy produce, but also is easy to generate missing inspection and erroneous detection because chemical reagent pollutes.
Therefore, need it is a kind of use non-destructive detecting device and its method, reach without dismantle dairy products packaging, without using change
The purpose of reagent is learned, the concentration suitable for a large amount of dairy products quickly detects.
Summary of the invention
Non-destructive detecting device and its method provided by the invention with packaged dairy product can not dismantle dairy products packaging
And without using the quality of dairy products detection carried out under conditions of chemical reagent quickly, economic, reaches and effectively, quickly and easily examine
Survey the effect of quality of dairy products.
In a first aspect, the present invention provides a kind of non-destructive detecting device with packaged dairy product, including:
Sample detection platform, for placing the band packaged dairy product to be detected；
Vertical rotatable parts, the vertical rotatable parts are connected with the sample detection platform, are used to indicate the sample
The rotational parameters of detection platform；
Support member is used positioned at the underface of the sample detection platform, and around the vertical rotatable parts distribution
It is rotated in the maintenance sample detection platform and the vertical rotatable parts in settling position；
Rotary driving part, for driving the rotation of the sample detection platform and the vertical rotatable parts；
Determination sensor, for acquiring the rotational parameters of the vertical rotatable parts and exporting transducing signal；
Computer, for acquiring the output transducing signal of the determination sensor, calculating turn with packaged dairy product
Dynamic inertia, and provide it is described with packaged dairy product whether He Ge analysis result.
Optionally, above-mentioned band packaged dairy product is packed, box-packed, canned or bottled dairy products.
Optionally, above-mentioned rotary driving part is the magnetic shaft for being connected to the vertical rotatable parts, and described in attraction
The electromagnet that magnetic shaft is rotated.
Optionally, above-mentioned rotary driving part is first between the sample detection platform and the support member
Magnetisable material.
Optionally, above-mentioned first magnetisable material is the magnetic sheet for being mounted on the support member upper surface, the sample detection
Mesa base has the second magnetisable material that active force can be generated with the magnetic plate.
Optionally, with the plectane of the first aperture centered on above-mentioned magnetic sheet, first aperture is used to accommodate described vertical
Rotatable parts pass through, and the support member is to have the second aperture for accommodating the vertical rotatable parts at the top of tubular and tubular
It passes through.
Optionally, above-mentioned first magnetisable material also has the magnetic control component for adjusting magnetic force size, direction and switch.
Optionally, above-mentioned vertical rotatable parts are the rigid rod for being connected to the sample detection mesa base.
Optionally, said determination sensor is mechanical pick-up device or optical sensor.
On the other hand, the present invention provides a kind of method carried out non-destructive testing using above-mentioned non-destructive detecting device, wherein wrapping
It includes:
Step 1: the band packaged dairy product to be detected is put into the sample detection platform；
Step 2: the test sample platform and the vertical axis of rotation are rotated by the rotary driving part, with
Rotation free damping is carried out by the test sample platform and vertical axis of rotation afterwards；
Step 3: acquiring the vertical rotatable parts by the determination sensor during the rotation free damping
Rotation parameter, and export transducing signal；
Step 4: the general purpose computer acquires the output transducing signal of the determination sensor, the band packaging is calculated
The rotary inertia of dairy products, and by the rotary inertia characteristic value of the rotary inertia with packaged dairy product and qualified dairy products
It is compared,
If the deviation of the rotary inertia characteristic value of the rotary inertia with packaged dairy product and qualified dairy products is pre-
If in range, then judging that the band packaged dairy product is qualified；
If the deviation of the rotary inertia characteristic value of the rotary inertia with packaged dairy product and qualified dairy products is more than
Preset range then judges that the band packaged dairy product is unqualified.
Non-destructive detecting device and its method provided in an embodiment of the present invention with packaged dairy product, it is physical using dairy products
Shape change caused by unitary rotation inertia variation characteristic, by measurement dairy products rotary inertia variation ratio and the period and with
Standard sample is compared, quality of the identification with packaged dairy product that can be accurate, quick and lossless.
Detailed description of the invention
Fig. 1 is the non-destructive detecting device structural schematic diagram with packaged dairy product of one embodiment of the invention；
The non-destructive detecting device structural profile illustration with packaged dairy product of the position Fig. 2 another embodiment of the present invention；
Fig. 3 is the lossless detection method flow chart with packaged dairy product of one embodiment of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
An embodiment provides a kind of non-destructive detecting device structural schematic diagram with packaged dairy product.Such as figure
Shown in 1, wherein test sample platform 101 is for placing box-packed, packed, canned or bottled dairy products 100.Preferably, sample is detected
The material of product platform has even density, the rigidly characteristics such as good, anticorrosive, not easy to wear, typically, test sample platform
101 may include metal, rigid plastics or glass etc..Preferably, the shape of test sample platform 101 has conventional geometric form
Shape, center of gravity are located at geometric center, typically, such as rectangle, circle etc..
The lower section of test sample platform 101 has vertical axis of rotation 103, for controlling the rotation of test sample platform 101.
Preferably, vertical axis of rotation 103 can be connected or be not attached to test sample platform 101.Preferably, in vertical axis of rotation 103
In the case where being connected with test sample platform 101, the contact point of vertical axis of rotation 103 and test sample platform 101 is located at detection
The geometric center of example platform 101.Preferably, vertical axis of rotation 102 uses rigid material, such as metal, wooden, rigid plastics
Deng.
Around vertical axis of rotation 103, there is the rectangular frame 102 for fixed vertical rotation axis 103, rectangle
Braced frame 102 includes two upper support bars relative to each other and two lower support bars relative to each other, and is rotated with vertical
Axis 103 is parallel and the upright bar that connect with upper support bar and lower support bar.Preferably, rectangular frame 102 can with it is vertical
Rotation axis 103 is connected or is not attached to.The quantity of rectangular frame 102 is two or more.The material of rectangular frame is
Rigid material, such as metal, wooden, rigid plastics etc..Additionally, it is preferred that, rectangular frame 102 is towards vertical axis of rotation
The smooth no protrusion of 103 medial surface, so that the undamped of vertical axis of rotation 103 rotates.
Balance component 106 is connected with vertical axis of rotation 103.Balance component 106 is the bar connecting with vertical axis of rotation 103
Shape structure, for keeping vertical axis of rotation 103 always around vertical line rotation where the axle center of vertical axis of rotation 103.Preferably,
Balance component 106 is always positioned at the plane being parallel to the horizontal plane.Typically, the present embodiment uses two and 106 phase of balance component
The spring of connection maintains the relative position of the other end of balance component 106, in balance component 106 far from vertical axis of rotation
103 one end, You Lianggen spring are connected with endpoint respectively one on the other, the stationary planes phase such as the other end of spring and such as wall
Even, the convergent force or Diastolic Force of You Lianggen spring maintain the relative position of balance component 106.Preferably, balance component is rigidity
Material, such as metal etc..
Electromagnetic rotating component 105 is located at the top of balance component 106.After energization, electromagnetic rotating component 105 is able to drive
Balance component 106, vertical axis of rotation 103 and test sample platform 101 rotate by a certain angle and enter rotary balance state.It is excellent
Choosing, when the material of balance component 106 is magnetic metal, electromagnetic rotating component 105 can energizing magnetic, and attract flat
Weighing apparatus component 106 is rotated.
Measuring moment of inertia sensor 104 is connected with vertical axis of rotation 103, for measuring the rotation of vertical axis of rotation 103
Turn parameter, obtains the rotary inertia of tested dairy products.Typically, it is used to can be mechanical rotation for measuring moment of inertia sensor 104
Quantity sensor, light rotary inertia sensor etc..
General purpose computer 107 is connect with measuring moment of inertia sensor 104, for measuring moment of inertia sensor 104
The dairy products rotational inertia data to be measured of output is handled, is stored, is shown.Preferably, by with preset attested milk
The rotary inertia range of product compares, that is, whether dairy products are qualified after can determine that current packaging to be measured.
Optionally, example platform 101, rectangular frame 102, vertical axis of rotation 103, electromagnetic rotating structure can be will test
Part 105, balance component 106, measuring moment of inertia sensor 104 and general purpose computer 107 form unified platform 108.
Further, the non-destructive detecting device structure with packaged dairy product that another embodiment of the present invention provides a kind of
Schematic diagram.As shown in Fig. 2, test sample platform 201 is for placing box-packed, packed, canned or bottled dairy products 200.Preferably,
The material of test sample platform has even density, the rigidly characteristics such as good, anticorrosive, not easy to wear, typically, in this implementation
Test sample platform 201 is magnetic material, such as alloy, ferrite etc. in example.Preferably, the shape of test sample platform 201
With conventional geometry, center of gravity is located at geometric center, typically, such as rectangle, circle etc..
The lower section of test sample platform 201 has vertical axis of rotation 203, is used to indicate the rotation of example platform 201.It is preferred that
, vertical axis of rotation 203 can be connected or be not attached to test sample platform 201.It is flat in vertical axis of rotation 203 and test sample
In the case that platform 201 is connected, the contact point of vertical axis of rotation 203 and test sample platform 201 is located at test sample platform 201
Geometric center.Preferably, vertical axis of rotation 102 uses rigid material, such as metal, wooden, rigid plastics etc., and is connected to
Measuring moment of inertia sensor 204, measuring moment of inertia sensor 204 pass through the information such as revolving speed, the torque of vertical axis of rotation 203
Measurement obtains the rotary inertia of dairy products 200 to be detected.
Around vertical axis of rotation 203, there is the tubular braced frame 202 for fixed vertical rotation axis 203, tubular
Braced frame 202 includes the upper supporting surface of intermediate aperture and the bottom support surface of intermediate aperture, and parallel with vertical axis of rotation 203
And the tube wall surface being connect with upper supporting surface and bottom support surface.Preferably, the material of the upper supporting surface of tubular braced frame is magnetic
Property material, such as permanent-magnet material etc., can by generate attract or repel magnetic force moving test sample platform 201 be revolved
Turn, and example platform 201 can be will test by magnetic force, 202 top of tubular braced frame is suspended in horizontal equilibrium state.
Further, tubular braced frame 202 may be coupled to general purpose computer 207, for tubular braced frame
202 magnetic force size, direction and being turned on or off is controlled.
Measuring moment of inertia sensor 204 is connected with vertical axis of rotation 203, for measuring the rotation of vertical axis of rotation 203
Turn parameter, obtains the rotary inertia of tested dairy products 200.Typically, measuring moment of inertia sensor 204 can be mechanical rotation
Inertia sensor, light rotary inertia sensor etc..
General purpose computer 207 is connect with measuring moment of inertia sensor 204, for measuring moment of inertia sensor 204
The dairy products rotational inertia data to be measured of output is handled, is stored, is shown.Preferably, by with preset attested milk
The rotary inertia range of product compares, that is, whether dairy products are qualified after can determine that current packaging to be measured.
Optionally, example platform 201, tubular braced frame 202, vertical axis of rotation 203, rotary inertia can be will test to survey
Determine sensor 204 and general purpose computer 207 forms unified platform 208.
Test sample platform 201 provided in this embodiment and vertical axis of rotation 203 pass through the upper branch of tubular braced frame 202
Magnetic interaction between support face and test sample platform 201 pushes the rotation of test sample platform 201, the freedom of rotation
It is bigger that angle compares the angle rotated by balance component 106, and is conducive to adjusting magnetic force stable detection example platform 201 and exists
The stability of the equilibrium state of horizontal direction, detection greatly improves.
On the other hand, the present invention also provides a kind of lossless detection methods with packaged dairy product.As shown in figure 3, firstly, will
Band packaged dairy product to be detected is put into rotary inertia test platform.Then, test sample platform and vertical axis of rotation are rotated
To certain angle, then by having the detection platform with packaged dairy product and vertical axis of rotation free damping.In the free damping phase
Between, the characteristic value to be measured with packaged dairy product is exported from measuring moment of inertia sensor to general purpose computer, typically, such as
Export ratio and the period of rotary inertia variation.In next step, by general purpose computer to the characteristic value to be measured with packaged dairy product
It is compared and judges with the preset up-to-standard characteristic value with packaged dairy product.If band packaging cream system to be measured
The deviation of the characteristic value of product and the preset up-to-standard characteristic value with packaged dairy product within the specified scope, such as
7%, then band packaged dairy product to be measured is up-to-standard product；If the characteristic value to be measured with packaged dairy product and preset
The up-to-standard characteristic value with packaged dairy product deviation outside the specified scope, such as more than 7%, then band packaging to be measured
Dairy products are product off quality.
Non-destructive detecting device and its method provided by the invention with packaged dairy product detects dairy products by measuring band
The qualified dairy products of rotary inertia identification, reach 99% or more recognition accuracy, and detect speed to reach 700-800
Packet/hour substantially increases the efficiency of dairy products non-destructive testing, reduces in traditional detection and opens packet loss, be suitable for quickly,
Extensive screening quality accident product, to guarantee the reliability of the final product quality control of dairy products.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of non-destructive detecting device with packaged dairy product characterized by comprising
Sample detection platform, for placing the band packaged dairy product to be detected；
Vertical rotatable parts, the vertical rotatable parts are connected with the sample detection platform, are used to indicate the sample detection
The rotational parameters of platform；
Support member, positioned at the underface of the sample detection platform, and around the vertical rotatable parts distribution, for tieing up
It holds the sample detection platform and the vertical rotatable parts is rotated in settling position；
Rotary driving part, for driving the rotation of the sample detection platform and the vertical rotatable parts；
Determination sensor, for acquiring the rotational parameters of the vertical rotatable parts and exporting transducing signal；
Computer is used to for acquiring the output transducing signal of the determination sensor, calculating the rotation with packaged dairy product
Amount, and provide it is described with packaged dairy product whether He Ge analysis result.
2. non-destructive detecting device according to claim 1, which is characterized in that the band packaged dairy product be it is packed, box-packed,
Canned or bottled dairy products.
3. non-destructive detecting device according to claim 1, which is characterized in that the rotary driving part is described to be connected to
The magnetic shaft of vertical rotatable parts, and the electromagnet for attracting the magnetic shaft to be rotated.
4. non-destructive detecting device according to claim 3, which is characterized in that the rotary driving part is positioned at the sample
The first magnetisable material between product detection platform and the support member.
5. non-destructive detecting device according to claim 4, which is characterized in that first magnetisable material is described to be mounted on
The magnetic sheet of support member upper surface, the sample detection mesa base have that active force can be generated with the magnetic plate
Two magnetisable materials.
6. non-destructive detecting device according to claim 5, which is characterized in that with the first aperture centered on the magnetic sheet
Plectane, first aperture are passed through for accommodating the vertical rotatable parts, and the support member is tool at the top of tubular and tubular
There is the second aperture to pass through for accommodating the vertical rotatable parts.
7. non-destructive detecting device according to claim 5, which is characterized in that first magnetisable material also has adjusting magnetic
The magnetic control component of power size, direction and switch.
8. non-destructive detecting device according to claim 4, which is characterized in that the vertical rotatable parts are described to be connected to
The rigid rod of sample detection mesa base.
9. non-destructive detecting device according to claim 1, which is characterized in that the determination sensor be mechanical pick-up device or
Optical sensor.
10. a kind of method carried out non-destructive testing using non-destructive detecting device described in claim 1 characterized by comprising
Step 1: the band packaged dairy product to be detected is put into the sample detection platform；
Step 2: rotate the test sample platform and the vertical axis of rotation by the rotary driving part, then by
The test sample platform and vertical axis of rotation carry out rotation free damping；
Step 3: acquiring the rotation of the vertical rotatable parts by the determination sensor during the rotation free damping
Parameter, and export transducing signal；
Step 4: the general purpose computer acquires the output transducing signal of the determination sensor, the band packaging cream system is calculated
The rotary inertia of product, and the rotary inertia characteristic value of the rotary inertia with packaged dairy product and qualified dairy products is carried out
Compare,
If the deviation of the rotary inertia characteristic value of the rotary inertia with packaged dairy product and qualified dairy products is in default model
In enclosing, then judge that the band packaged dairy product is qualified；
If the deviation of the rotary inertia characteristic value of the rotary inertia with packaged dairy product and qualified dairy products is more than default
Range then judges that the band packaged dairy product is unqualified.
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