CN107831046A - A kind of big tank milk milk sample collecting device in cattle farm and method - Google Patents
A kind of big tank milk milk sample collecting device in cattle farm and method Download PDFInfo
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- CN107831046A CN107831046A CN201711216864.7A CN201711216864A CN107831046A CN 107831046 A CN107831046 A CN 107831046A CN 201711216864 A CN201711216864 A CN 201711216864A CN 107831046 A CN107831046 A CN 107831046A
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- 210000004080 milk Anatomy 0.000 title claims abstract description 101
- 241000283690 Bos taurus Species 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000523 sample Substances 0.000 claims abstract description 243
- 238000005070 sampling Methods 0.000 claims abstract description 108
- 235000013336 milk Nutrition 0.000 claims abstract description 65
- 239000008267 milk Substances 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Chemical compound 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 6
- 239000000203 mixture Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 235000014121 butter Nutrition 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of big tank milk milk sample collecting device in cattle farm and method, it solves big tank milk milk sample collection in the prior art and, without science, the problem of cross pollution be present, having can be stirred to milk sample, the beneficial effect of data acquisition efficiently and accurately, its scheme are as follows：A kind of big tank milk milk sample collecting device in cattle farm, include the probe tube of foldable setting, the probe tube of folding can be entered in big tank milk after opening, the sampling ware seat of fixed sampling ware is provided in the outside of probe tube, out sample tube is provided with the top of probe tube, sampling bottom of the tube is connected with pump, and liquid is sampled in ware in the presence of pump by probe tube and out sample tube flow direction in big tank milk.
Description
Technical field
The present invention relates to sampling equipment, more particularly to a kind of big tank milk milk sample collecting device in cattle farm and method.
Background technology
Ox individual merit testing is most important basic work in cattle farm production management and genetic improvement work
Make.And science, accurate, the collection milk sample of specification are premises.But the accuracy for how evaluating sampling is to ensure that sampling is accurate
An important ring.It is generally acknowledged that application measure day is compared when extremely big tank milk milk sample testing number value with full group ox individual weighted average
Compared with if reaching acceptable scope, that is, it is science, accurate, specification to think personal sampling.Big tank milk milk sample is gathered at present
It is main to use hand sample mode, a probe tube is used during hand sample, longer probe tube, is not easy to take and is stored, compared with
Short probe tube, depth selection are limited, and probe tube does not have science agitating function, simply artificial slight at random in milk container
For several times, the sample representativeness of collection is not strong for stirring.It is well known that contain butter oil in milk, because the density of butter oil is less than
Water, butter oil can float, if stirring is uneven, will result in the sample of collection without representativeness.In addition, use existing work
Tool sampling can cause hand to be shaken because of artificial force, cause depth selection not accurate enough and troublesome in poeration, can not also read sampling
Position temperature, the requirement of science sampling can not be met.
Therefore, the science that development science and convenient and practical big tank milk sample collecting device work improving performance test
Property has great importance.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of big tank milk milk sample collecting device in cattle farm, this is adopted
Equipment probe tube is foldable opens for collection, convenient for collecting, and it is convenient stir, realize scientific sampling, ensure the accuracy of sampling.
A kind of concrete scheme of the big tank milk milk sample collecting device in cattle farm is as follows：
A kind of big tank milk milk sample collecting device in cattle farm, including：
Include the probe tube of foldable setting, can be entered in big tank milk after the probe tube opening of folding, in probe tube
Outside is provided for the sampling ware seat of fixed sampling ware, and out sample tube is provided with the top of probe tube, and sampling bottom of the tube is connected with pump, big tank
Liquid is sampled in ware in the presence of pump by probe tube and out sample tube flow direction in milk.
The foldable setting of probe tube in the equipment, ensure that the length of probe tube, can be deep into big tank milk, be formed uniform
Stirring, probe tube have been internally formed the conveyance conduit of milk sample, by the setting of pump, the convenient extraction to milk sample, and sample ware
Seat set location is set less than at the top of probe tube, the opening of the outlet face sampling ware of out sample tube, in order to which milk sample is by going out sample
Pipe is flowed down in sampling ware, ensures the cleannes of milk sample gatherer process.
Further, probe tube is provided with graduation mark in length direction；
Or the zero degree line of the graduation mark so can effectively determine probe tube in big tank milk in the bottom of probe tube
In depth.
Further, the controller with controlling switch is set at the top of the probe tube, and controller electrically connects with pump, so
Controlling switch is controlled by the way that portion of the handle can is more convenient at the top of probe tube, the convenient switch to pump.
Further, in order to ensure that milk sample is entered directly into sampling ware by out sample tube, the out sample tube bottom can be set
In in the sampling ware in sampling ware seat；
Or out sample tube bottom is set higher than the sampling ware in sampling ware seat, further avoid the pollution to milk sample.
Further, the sampling bottom of the tube sets temperature sensor, and temperature sensor is connected with controller, controller band
There is display screen, the temperature sensor realizes the measurement to probe tube porch milk sample temperature, also just obtains the milk of sample position
Sample temperature.
Further, the probe tube includes at least two sections, wherein one section of probe tube end set at probe tube folding
Locking member is ensured the linearity of every section of probe tube by locking member, ensure that the rigidity of probe tube with two sections be connected to a fixed,
Avoid situation about being bent in whipping process.
Or two sections of adjacent probe tubes are attached by screw thread, and sealing ring is set in junction, set by screw thread
Convenient installation and decomposition to probe tube is put, the length of probe tube is effectively extended, is applicable to the sampling of deeper container.
Further, the locking member is fixing card, the horizontal cross-section of fixing card and the horizontal cross-section of upper semisection probe tube
It is parallel to each other, fixing card is fastenedly connected by connector and probe tube, is connected between adjacent two sections of probe tubes by flexible pipe, is being needed
When using probe tube, another section of probe tube is set by fixing card card.
Further, in order to ensure to sample stability of the ware in sampling, the sampling ware seat upper surface is provided for solid
Surely the groove of ware is sampled, sampling ware seat sidepiece is fixedly connected with described probe tube, and sampling ware, the company of avoiding conveniently are changed during sampling
Milk sample cross pollution during continuous sampling.
Further, the sampling ware seat sidepiece is frame shape shape, and sampling ware cover for seat is set in probe tube, and fastener passes through
Ware seat is sampled to set with probe tube；
Or sampling ware seat sidepiece is the half hoop that can be locked, sampling ware seat is fixed by half hoop and probe tube, or is passed through
Another half hoop is set with the seat pairing of sampling ware, the convenient adjustment to sampling ware height and position of such structure setting, also big generous
To sample ware seat cleaning.
For overcome the deficiencies in the prior art, present invention also offers a kind of big tank milk milk sample acquisition method in cattle farm, adopt
With a kind of big tank milk milk sample collecting device in cattle farm, comprise the following steps that：
1) sampling ware is put into sampling ware seat, opens probe tube；
2) grip probe tube probe tube lower semisection is extend into big tank milk, the milk sample in big tank milk is suitably stirred
Mix, the temperature sensor for sampling bottom of the tube adopts the temperature of big tank milk milk sample, and is shown by the display screen of controller；
3) controlling switch at controller is opened, and then controls pump work, milk sample is entered by probe tube and out sample tube
Sample in ware, realize sampling；
4) sampling ware is taken out, the sampling ware more renewed, realizes more sub-samplings.
Compared with prior art, the beneficial effects of the invention are as follows：
1) set in the present invention by folding probe tube, the convenient extension to probe tube, ensure that the depth of measurement,
And by the setting of fixing card, the linearity of multistage probe tube is ensure that, is easy to stir to milk sample.
2) present invention is by the setting of illuminating lamp, it is convenient at the scene to fathoming, temperature data check, it is determined that being adopted
Collect the accuracy of milk sample data.
3) setting of the invention by sampling ware seat, sampling ware is fixed not only more conveniently, and conveniently tears open
Remove, complete equipment is cleaned.
4) setting of integral device of the present invention, the control to pump can be facilitated, ensures the fast and effective of milk sample collection, and keep away
Exempt from the cross pollution that milk sample occurs in gatherer process.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 provides the structural representation of big tank milk milk sample sample devices for the present invention；
Fig. 2 is the controller schematic diagram of big tank milk milk sample sample devices in Fig. 1.
Wherein, 100. upper semisection probe tube, 200. lower semisection probe tubes, 1. display screens, 2. out sample tubes, 3. sampling wares, 4.
Illuminating lamp, 5. graduation marks, 6. fixing cards, 7. controllers, 8. handle sections, 9. centrifugal pumps, 10 temperature sensors, 11. sampling ware seats.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen
It please propose a kind of big tank milk milk sample collecting device in cattle farm.
In a kind of typical embodiment of the application, as shown in figure 1, a kind of big tank milk milk sample collecting device in cattle farm,
Include the probe tube of foldable setting, can be entered in big tank milk after the probe tube opening of folding, outside in probe tube is set
For the sampling ware seat 11 of fixed sampling ware, out sample tube 2 is provided with the top of probe tube, the bottom of probe tube 2 is connected with pump, in big tank milk
Liquid is in the presence of pump by probe tube and the flow direction sampling ware 3 of out sample tube 2.
The foldable setting of probe tube in the equipment, ensure that the length of probe tube, can be deep into big tank milk, be formed uniform
Stirring, probe tube have been internally formed the conveyance conduit of milk sample, by the setting of pump, the convenient extraction to milk sample, and sample ware
11 set locations of seat are set less than at the top of probe tube, the opening of the outlet face sampling ware 3 of out sample tube 2, in order to which milk sample passes through
Out sample tube 2 is flowed down in sampling ware 3, ensures the cleannes of milk sample gatherer process.
Probe tube is provided with graduation mark 5 in length direction；The zero degree line of graduation mark 5 can so have in the bottom of probe tube
Effect determines depth of the probe tube in big tank milk.
Controller 7 with controlling switch is set at the top of the probe tube, and controller 7 electrically connects with pump, so by taking
Sample pipe 8 cans of handle section are more convenient to be controlled to controlling switch, the convenient switch to pump, as shown in Figure 2.In order to ensure
Milk sample is entered directly into sampling ware by out sample tube 2, the sampling ware 3 that the out sample tube bottom can be located in sampling ware seat 11
It is interior；Out sample tube bottom is set higher than the sampling ware in sampling ware seat, further avoid the pollution to milk sample.
The sampling bottom of the tube sets temperature sensor 10, and temperature sensor 10 passes located at porch in probe tube, temperature
Sensor 10 is connected with controller 7, and controller 7 carries display screen 1, and the temperature sensor 10 is realized to probe tube porch milk sample temperature
The measurement of degree, also just obtain the milk sample temperature of sample position.
The probe tube includes two sections, is upper semisection probe tube 100 and lower semisection probe tube 200, in the upper half of probe tube
Section setting locking member is ensured the linearity of every section of probe tube by locking member, ensure that probe tube with two sections be connected to a fixed
Rigidity, avoid situation about being bent in whipping process；In addition, it is handle in the lower section of probe tube upper semisection sampling ware seat 11
Section 8, for the gripping of people, the illuminating lamp 4 with battery or solar cell is set in the bottom of handle section 8, it is convenient dim or
Data in dark surrounds, mixing effect and current sampling depth are checked.
The locking member is fixing card 6, and the horizontal cross-section of fixing card 6 is mutually flat with the horizontal cross-section of upper semisection probe tube
OK, fixing card 6 is fastenedly connected by connector such as bolt or screw with probe tube, is connected between adjacent two sections of probe tubes by flexible pipe
Connect, when needing to use probe tube, another section of probe tube is set by the card of fixing card 6, fixing card is L-type, and the short section of fixing card 6 is half
Circular shape with lower semisection probe tube to be engaged.
In an alternative embodiment of the invention, fixing card is fixed at lower semisection probe tube.
In order to ensure to sample stability of the ware in sampling, the sampling ware seat upper surface is provided for fixed sampling ware
Groove, sampling ware seat sidepiece are fixedly connected with described probe tube, are changed during convenient sampling and are sampled ware, milk when avoiding continuous sampling
Sample cross pollution.
The sampling ware seat sidepiece is frame shape shape, and sampling ware cover for seat is set in probe tube, and fastener passes through sampling ware seat
Set with probe tube；
In an alternative embodiment of the invention, it is the half hoop that can be locked to sample ware seat sidepiece, and sampling ware seat is by half hoop with taking
Sample pipe is fixed, and such structure setting is convenient to sampling the adjustment of ware height and position, while also greatly facilitates to sampling ware seat
Cleaning.
In an alternative embodiment of the invention, probe tube is thief rod, and a probe tube is fixed on the outside of thief rod, samples tube top
Portion is fixed with out sample tube, and bottom is connected with pump, and probe tube is flexible pipe, and convenient bending is set.
In an alternative embodiment of the invention, probe tube includes at least two sections, and adjacent two sections are attached by screw thread,
Junction sets sealing ring, sets convenient installation and decomposition to probe tube by screw thread, effectively extends the length of probe tube,
It is applicable to the sampling of deeper container.
In an alternative embodiment of the invention, in order to facilitate the bending of lower semisection probe tube, electric cylinders are set at fixing card 6,
When two sections of probe tube straight lines are set, electric cylinders push rod end contacts with lower semisection probe tube and electric cylinders are vertical with upper semisection probe tube
Or arrangement at an acute angle, the switch electrically connected with electric cylinders is set in handle section 8, is stretched out, driven by switching control electric cylinders push rod
Lower semisection probe tube is bent, and manpower auxiliary completes the bending of lower semisection probe tube.
Implementation result
Three pastures on Jinan periphery are tested using the sample devices of the present invention, gather every cow in milk measure day
(specific method refers to the milk sample and the output of milk of three order of classes or grades at school milking《Chinese holstein cattle performance test technical specification》(NY/T
1450-2007)), while using the sampling tool collection of the present invention extremely big tank milk milk sample, the big tank milk of a pasture repeated acquisition are worked as
Milk sample three.DHI laboratories are transported on the day of milk sample, the survey of every milk composition is carried out using FOSS milk compositions instrument used in everyday
It is fixed, obtain the detection data such as butterfat percnetage, protein ratio, milk sugar rate.Pasture items milk composition value be individual ox daily yielding with
The weighted mean of milk composition rate.Using the significance of difference of the bigger tank milk sample average of SAS-GLM processes and colony's weighted mean,
The coefficient of variation (CV values) of big tank milk sample sample detecting value three times is calculated simultaneously.
The larger tank milk sample average of table 1 and the comparison of colony's weighted mean
By above-mentioned experiment, the big tank milk milk sample in three pastures is acquired using present device, detects simultaneously statistical
Analysis, the butterfat percnetage coefficient of variation are 0.01~0.02, and protein ratio is 0.03~0.04, and milk sugar rate is 0~0.01, and the coefficient of variation is equal
Less than 0.05, illustrate preferable using the detection data redundancy of present device sampling acquisition.The big tank milk sample average in three cattle farms
With colony's average ratio compared with butterfat percnetage, the F values of three indexs of protein ratio and milk sugar rate and P values are shown in Table 1, it is seen that difference is not notable,
Show that there is higher accuracy using the detection data that present device sampling obtains.
In an alternative embodiment of the invention, the big tank milk milk sample acquisition method in a kind of cattle farm, using a kind of big tank in cattle farm
Milk milk sample collecting device, is comprised the following steps that：
1) sampling ware 3 is put into sampling ware seat 11, opens the lower semisection of probe tube and be fixed by fixing card 6；
2) grip probe tube probe tube lower semisection is extend into big tank milk, the milk sample in big tank milk is suitably stirred
Mix, the temperature sensor 10 for sampling bottom of the tube adopts the temperature of big tank milk milk sample, and is shown by the display screen 1 of controller 7；
3) this mobile big tank milk milk sample collecting device is until reach target depth or target temperature position, at opening controller
Controlling switch 12, and then controlling pump (micro centrifugal pump 9) works, and milk sample enters sampling ware by probe tube and out sample tube
It is interior, realize sampling；
4) sampling ware 3 to be taken out, the sampling ware 3 more renewed, realizes more sub-samplings, after the completion of sampling, controlling switch 12 is closed,
Extraction device is cleaned, and then carries out stored collapsed.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of big tank milk milk sample collecting device in cattle farm, it is characterised in that include the probe tube of foldable setting, folding takes
Sample pipe can be entered in big tank milk after opening, and the sampling ware seat of fixed sampling ware, probe tube are provided in the outside of probe tube
Top is provided with out sample tube, and sampling bottom of the tube is connected with pump, and liquid passes through probe tube and out sample tube in the presence of pump in big tank milk
In flow direction sampling ware.
2. the big tank milk milk sample collecting device in a kind of cattle farm according to claim 1, it is characterised in that probe tube is in length
Direction is provided with graduation mark；
Or the zero degree line of the graduation mark is in the bottom of probe tube.
3. the big tank milk milk sample collecting device in a kind of cattle farm according to claim 1, it is characterised in that in the probe tube
Top sets the controller with controlling switch, and controller electrically connects with pump.
A kind of 4. big tank milk milk sample collecting device in cattle farm according to claim 1, it is characterised in that the out sample tube bottom
Portion can be located in the sampling ware in sampling ware seat；
Or out sample tube bottom is set higher than the sampling ware in sampling ware seat.
A kind of 5. big tank milk milk sample collecting device in cattle farm according to claim 1, it is characterised in that the probe tube bottom
Portion sets temperature sensor, and temperature sensor is connected with controller, and controller carries display screen.
A kind of 6. big tank milk milk sample collecting device in cattle farm according to claim 1, it is characterised in that the probe tube bag
At least two sections are included, wherein one section of probe tube end set locking member is be connected to a fixed two sections at probe tube folding；
Or two sections of adjacent probe tubes are attached by screw thread, and sealing ring is set in junction；
Or the locking member is fixing card.
7. the big tank milk milk sample collecting device in a kind of cattle farm according to claim 1, it is characterised in that the probe tube can
Thief rod is replaced with, a probe tube is fixed on the outside of thief rod, is fixed at the top of probe tube with out sample tube, bottom is connected with pump.
A kind of 8. big tank milk milk sample collecting device in cattle farm according to claim 1, it is characterised in that the sampling ware seat
Upper surface is provided for the groove of fixed sampling ware, and sampling ware seat sidepiece is fixedly connected with described probe tube.
A kind of 9. big tank milk milk sample collecting device in cattle farm according to claim 1, it is characterised in that the sampling ware seat
Sidepiece is frame shape shape, and sampling ware cover for seat is set in probe tube, and fastener is set through sampling ware seat and probe tube；
Or sampling ware seat sidepiece is the half hoop that can be locked, sampling ware seat is fixed by half hoop and probe tube.
10. a kind of big tank milk milk sample acquisition method in cattle farm, it is characterised in that using according to any one of claim 1-9 institutes
The big tank milk milk sample collecting device in a kind of cattle farm stated, is comprised the following steps that：
1) sampling ware is put into sampling ware seat, opens probe tube；
2) grip probe tube probe tube lower semisection is extend into big tank milk, the milk sample in big tank milk is suitably stirred, taken
The temperature sensor of sample bottom of the tube adopts the temperature of big tank milk milk sample, and is shown by the display screen of controller；
3) controlling switch at controller is opened, and then controls pump work, milk sample enters sampling by probe tube and out sample tube
In ware, sampling is realized；
4) sampling ware is taken out, the sampling ware more renewed, realizes more sub-samplings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216864.7A CN107831046B (en) | 2017-11-28 | 2017-11-28 | Milk sample collection equipment and method for large milk tank of dairy farm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216864.7A CN107831046B (en) | 2017-11-28 | 2017-11-28 | Milk sample collection equipment and method for large milk tank of dairy farm |
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| Publication Number | Publication Date |
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| CN107831046A true CN107831046A (en) | 2018-03-23 |
| CN107831046B CN107831046B (en) | 2024-09-06 |
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| CN201711216864.7A Active CN107831046B (en) | 2017-11-28 | 2017-11-28 | Milk sample collection equipment and method for large milk tank of dairy farm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649996A (en) * | 2020-06-17 | 2020-09-11 | 周之海 | Sampling device for oil field exploitation |
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| CN107314916A (en) * | 2017-08-17 | 2017-11-03 | 河北冠卓检测科技有限公司 | A kind of quantitative aseptic sampling system |
| CN207408163U (en) * | 2017-11-28 | 2018-05-25 | 山东省农业科学院奶牛研究中心 | A kind of big tank milk milk sample collecting device in cattle farm |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649996A (en) * | 2020-06-17 | 2020-09-11 | 周之海 | Sampling device for oil field exploitation |
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| CN107831046B (en) | 2024-09-06 |
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