CN212843819U - Simple seed volume measuring device - Google Patents
Simple seed volume measuring device Download PDFInfo
- Publication number
- CN212843819U CN212843819U CN202022232457.9U CN202022232457U CN212843819U CN 212843819 U CN212843819 U CN 212843819U CN 202022232457 U CN202022232457 U CN 202022232457U CN 212843819 U CN212843819 U CN 212843819U
- Authority
- CN
- China
- Prior art keywords
- seed
- transparent container
- iron wire
- supporting column
- electronic balance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910052742 iron Inorganic materials 0.000 claims abstract description 32
- 239000008157 edible vegetable oil Substances 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 7
- 239000002383 tung oil Substances 0.000 abstract description 5
- 241000779819 Syncarpia glomulifera Species 0.000 abstract description 2
- 239000001739 pinus spp. Substances 0.000 abstract description 2
- 229940036248 turpentine Drugs 0.000 abstract description 2
- 238000007865 diluting Methods 0.000 abstract 1
- 238000003618 dip coating Methods 0.000 abstract 1
- 239000011241 protective layer Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 18
- 239000007788 liquid Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000007779 soft material Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002786 root growth Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a simple and easy kind of seed volume measuring device, include: the supporting structure comprises a base, a telescopic supporting column and a supporting rod, wherein the telescopic supporting column is fixedly arranged above the base, and the supporting rod is fixedly arranged at the top of the telescopic supporting column; the electronic balance is positioned on one side of the base; the transparent container is positioned above the electronic balance, and edible oil is injected into the transparent container. The utility model discloses when measuring, use the turpentine earlier to dilute tung oil, dip-coating in the surface of seed main part after diluting, form the thin protective layer of one deck, prevent that the seed main part from inhaling the oil, then hang in the bottom of bracing piece behind the fixed seed main part with thin iron wire, soak unsettled seed main part in transparent container's edible oil again, weigh through electronic balance, combine basic buoyancy principle, alright calculate the volume simple structure of single seed, easy and simple to handle, the result is reliable, work efficiency is high.
Description
Technical Field
The utility model relates to a kind of seed volume measuring equipment technical field specifically is a simple and easy kind of seed volume measuring device.
Background
The seed volume is an important index for measuring the seed quality, the size of the seed volume has profound influence on the germination rate, the emergence rate, the root growth and the like of the seeds, and the rapid, simple and convenient determination of the seed volume has important significance on seed detection and agricultural production. The current methods for measuring seed volumes mainly include: a thousand-grain weight method, a gas pycnometer method and a liquid method. The thousand-particle weight method is a method for roughly estimating the volume of a seed through weight, and belongs to an indirect measurement method. The gas hydrometer method measures the exhausted air, and is complex to operate and is easily influenced by temperature change.
The liquid method, which measures the volume of liquid (most commonly water) displaced by a weight of seed, and then calculates the seed volume based on the principle of buoyancy, is the focus of current research because of the simplicity and relative accuracy of the measurement. However, in the liquid method measurement process, the phenomenon of seed water absorption exists, so that the method has large error and is difficult to be applied in practice. In order to solve the problem of water absorption of seeds, scholars propose to wrap the seeds with a soft material, then vacuumize the seeds, and measure the volume of discharged water after putting the seeds into water integrally. The method well solves the problem of seed water absorption, but still has the following problems: firstly, the surface of some seeds is uneven (for example, wheat seeds have a groove), and the seeds cannot be completely attached to the seeds after being wrapped by soft materials, so that the measured value is larger; secondly, the compressed volume of part of seeds in the vacuumizing process can change to a certain extent, so that the measured value is smaller; thirdly, a real pump, a soft material and the like are needed, the operation requirement of the experimental instrument is high, and the operation is complicated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple and easy kind of seed volume measuring device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a simplified seed volume measuring device, comprising: the supporting structure comprises a base, a telescopic supporting column and a supporting rod, wherein the telescopic supporting column is fixedly arranged above the base, and the supporting rod is fixedly arranged at the top of the telescopic supporting column; the electronic balance is positioned on one side of the base; the transparent container is positioned above the electronic balance, and edible oil is injected into the transparent container; suspension structure, suspension structure is located the bottom of bracing piece, suspension structure is including connecting rope and thin iron wire, the bottom of bracing piece is binded the connection rope, the fixed thin iron wire that is provided with in bottom of connecting the rope, just the fixed seed main part that is provided with of bottom winding of thin iron wire.
Preferably, a fastening bolt is installed on one side of the telescopic supporting column in a threaded mode.
Preferably, an opening is arranged above the transparent container, and the volume of the transparent container is larger than that of the seed body.
Preferably, the cross section of the thin iron wire is arranged in a circular shape, and the diameter of the cross section of the thin iron wire is 0.32 mm.
Preferably, the seed body 8 needs to be soaked in tung oil for 5 min.
Preferably, the height of the telescopic supporting column 2 is not less than 0.4 m.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a hang the seed main part in transparent container's edible oil, turn into buoyancy with volumetric measurement, turn into the weight determination again, and the weight determination can use common electronic balance to record, consequently this method simple accurate, the bottom of thin iron wire is the spiral setting, can fix the not seed of equidimension, because thin iron wire can not inhale the oil, and self volume calculates easily, reduce the error that the seed fixture brought for the survey, the carrier of seed buoyancy determination is the edible oil, compare with water, the difficult gassing of edible oil, and the seed is difficult for absorbing, these have all guaranteed measurement accuracy.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a front view of the local structure of the present invention.
In the figure: 1-a base; 2-a telescopic supporting column; 201-fastening bolts; 3-supporting rods; 4-electronic balance; 5-a transparent container; 6-connecting ropes; 7-thin iron wire; 8-seed body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a simplified seed volume measuring device, comprising: the supporting structure comprises a base 1, a telescopic supporting column 2 and a supporting rod 3, wherein the telescopic supporting column 2 is fixedly arranged above the base 1, and the supporting rod 3 is fixedly arranged at the top of the telescopic supporting column 2; the electronic balance 4 is positioned on one side of the base 1; the transparent container 5 is positioned above the electronic balance 4, and edible oil is injected into the transparent container 5; suspended structure, suspended structure is located the bottom of bracing piece 3, suspended structure is including connecting rope 6 and thin iron wire 7, the bottom of bracing piece 3 is tied up and is connected rope 6, the fixed thin iron wire 7 that is provided with in bottom of connecting rope 6, just the fixed seed main part 8 that is provided with in bottom winding of thin iron wire 7.
Referring to fig. 1 and 2, a fastening bolt 201 is threadedly mounted on one side of the telescopic supporting column 2, the length of the telescopic supporting column 2 can be adjusted according to actual use, and the telescopic supporting column is fixed by rotating the fastening bolt 201.
Referring to fig. 1, an opening is formed above the transparent container 5, and the volume of the transparent container 5 is larger than that of the seed body 8, so that the seed body 8 can be placed in the transparent container 5.
Referring to fig. 1 and 2, the cross section of the thin iron wire 7 is circular, and the diameter of the cross section of the thin iron wire 7 is 0.32mm, so that the volume of the thin iron wire 7 can be calculated conveniently.
Referring to fig. 2, the seed body 8 needs to be soaked in tung oil for 5min, so that a thin film is formed on the surface of the seed body 8 to prevent the seed body 8 from absorbing oil.
Referring to fig. 1 and 2, the height of the telescopic supporting column 2 is not less than 0.4m, which is convenient for use.
The working principle is as follows: when measuring, the density rho l of the edible oil needs to be measured: using a 50ml volumetric flask, firstly weighing the empty volumetric flask with an electronic balance 4 to obtain the mass m1, then pouring the edible oil into a transparent container 5 to fix the volume, reading the balance data to obtain the mass m2, and obtaining the edible oil with the density (m 2)2-m1) A/50; then, mixing the tung oil and the turpentine according to the volume ratio of oil to water of 3: 1, soaking the seeds 8 to be measured in tung oil for 5min, and measuring after the surfaces of the seeds are completely dried; horizontally placing the base 1 and the electronic balance 4 on the same plane, and placing the transparent container 5 filled with edible oil on the electronic balance 4; recording the mass of the transparent container 5 filled with the edible oil as Fs1, taking a seed main body 8 to be detected, winding and fixing the seed main body with a thin iron wire 7, wherein the measured diameter of the thin iron wire 7 is 0.32mm, winding the thin iron wire 7 in sequence to avoid knotting, slowly putting the wound seed main body 8 into the transparent container 5, immersing the seed main body 8 in the edible oil, but not contacting the transparent container 5, and recording data as Fs2 after the data of the electronic balance 4 is stable; clamping the fine iron wire 7 at the junction of air and edible oil by using tweezers, pulling out the seed main body 8, marking the fine iron wire 7, and measuring the length L of the fine iron wire immersed in the oil by using a ruler; calculating the seed volume by the Archimedes principle, wherein the calculation principle is as follows: when the seed body is suspended in the food oil with the fine iron wires 7 being pulled, the seed body 8 is subjected to gravity (G)s) Tension of thin iron wire 7 (F)p) And buoyancy (F)b) Under the combined action, the seed body 8 is stressed in the food oil in a balanced way, and the obtained stress balance formula is Gs＝Fp+FbThe transparent container 5 before the seeds are put into the liquid is acted by gravity (Gb) and supporting force (Fs1) of the electronic balance 4 on the electronic balance 4, and the stress balance formula is Gb＝Fs1Wherein Fs1 shows a value for the balance; putting seeds into liquidThe rear transparent vessel 5 is subjected to the gravity (G) of the transparent vessel 5 and the seed body 8s+Gb) Electronic balance 4 holding force (F)s2) And tension of thin iron wire 7 (F)p) Function, force balance formula is Gs+Gb＝Fs2+FpWherein the electronic balance 4 displays a value Fs2, namely the difference of the values of the balance before and after the seeds are put into the edible oil is the buoyancy force of the seeds in the liquid, and the density of the seeds is rho obtained by the Archimedes principlel(g/ml) the liquid (edible oil) is subjected to a buoyancy of: fb＝ρlg Vf, wherein g is a universal gravitation constant; vf is the volume of liquid discharged, comprising seeds (Vs) and immersed thin iron wires 7 (V)w) Total volume of liquid (edible oil) that was removed together, thus obtaining a seed volume of Vs ═ Vf—VwWherein the thin iron wire 7 is a standard cylindrical iron wire, the volume can be measured according to the diameter, the length and other numerical values, and finally, the volume (V) of the seed main body can be obtained through a formulas) Is composed of
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A simplified seed volume measuring device, comprising:
the supporting structure comprises a base (1), a telescopic supporting column (2) and a supporting rod (3), wherein the telescopic supporting column (2) is fixedly arranged above the base (1), and the supporting rod (3) is fixedly arranged at the top of the telescopic supporting column (2);
the electronic balance (4), the electronic balance (4) is positioned on one side of the base (1);
the transparent container (5) is positioned above the electronic balance (4), and edible oil is injected into the transparent container (5);
suspended structure, suspended structure is located the bottom of bracing piece (3), suspended structure is including connecting rope (6) and thin iron wire (7), the bottom of bracing piece (3) is tied up and is connected rope (6), the fixed thin iron wire (7) that is provided with in bottom of connecting rope (6), just the fixed seed main part (8) that is provided with of bottom winding of thin iron wire (7).
2. A simplified seed volume measuring device as claimed in claim 1, characterised by: and a fastening bolt (201) is installed on one side of the telescopic supporting column (2) in a threaded manner.
3. A simplified seed volume measuring device as claimed in claim 1, characterised by: the upper part of the transparent container (5) is provided with an opening, and the volume of the transparent container (5) is larger than that of the seed main body (8).
4. A simplified seed volume measuring device as claimed in claim 1, characterised by: the cross-section of thin iron wire (7) is circular setting, the diameter of thin iron wire (7) cross-section is 0.32 mm.
5. A simplified seed volume measuring device as claimed in claim 3, characterised by: the height of the telescopic supporting column (2) is not less than 0.4 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232457.9U CN212843819U (en) | 2020-10-09 | 2020-10-09 | Simple seed volume measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022232457.9U CN212843819U (en) | 2020-10-09 | 2020-10-09 | Simple seed volume measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212843819U true CN212843819U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022232457.9U Expired - Fee Related CN212843819U (en) | 2020-10-09 | 2020-10-09 | Simple seed volume measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN212843819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254687A (en) * | 2020-10-09 | 2021-01-22 | 仲恺农业工程学院 | Simple seed volume measuring device and measuring method thereof |
-
2020
- 2020-10-09 CN CN202022232457.9U patent/CN212843819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254687A (en) * | 2020-10-09 | 2021-01-22 | 仲恺农业工程学院 | Simple seed volume measuring device and measuring method thereof |
| CN112254687B (en) * | 2020-10-09 | 2022-07-01 | 仲恺农业工程学院 | Simple seed volume measuring device and measuring method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 Termination date: 20211009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |