CN101922961B - Seed weighting method having functions of on-line counting and weight compensating - Google Patents
Seed weighting method having functions of on-line counting and weight compensating Download PDFInfo
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- CN101922961B CN101922961B CN2010102972029A CN201010297202A CN101922961B CN 101922961 B CN101922961 B CN 101922961B CN 2010102972029 A CN2010102972029 A CN 2010102972029A CN 201010297202 A CN201010297202 A CN 201010297202A CN 101922961 B CN101922961 B CN 101922961B
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Abstract
The invention relates to a seed weighting system and a weighting method, in particular to a seed weighting system having functions of on-line counting and weight compensating and a weighting method. The weighting system comprises an industrial personal computer, a counting weighting scale, a sampler, a packaging scale, a packager and a selecting scale. The control part of the weighting system is partially networked through a local area network and comprises the counting weighting scale, the packaging scale and the selecting scale which have the function of networking. The industrial personal computer is used as the control center of the whole system to coordinate and control the devices in the system so as to sample, count, calculate the weight of each seed, modify the target weighting of the packaging scale and the selecting scale, regulate the control parameter and store the weighting data. The target weight of the packaging scale can be modified through online 'counting and weighting' and acquiring the relationship between the seed number and the weight in real time, thereby realizing the package based on seed number through the weighting method. The invention can solve the problem of singly weighting and standardize the number of each bag of packaged seed.
Description
Technical field
The present invention relates to seed weighting system and Weighing method, particularly a kind of have online several seed weighting system and Weighing methods with weight compensation function.
Background technology
Because the raising of seeding technique, some seed (for example: corn) realized monoseeding, fix by the grain number of sown area and required seed.For the packed seed of selling, the seed number weight/power ratio more is of practical significance in every bag.
The method of traditional packing by weight, because seed moisture content and grain size are different, same 1000 seeds, the weight difference is very big.With domestic exploiting species industry corn seed is example: 1000 weight is greatly in 190g～360g scope.8000 of corresponding metering specifications, weight range is greatly between 1500g～3000g.If adopt the heavy method of simple meter, every bag grain number difference is too big.
With the method for filling of counting grain machine grain number, be the most accurate.But owing to receive the restriction of a counting grain machine number speed.Also can't realize at present.With the packing corn seed is example: 8000 of packing specifications, 500/minute of counting grain machine speed, and packing approximately needs 16 minutes for 1 bag, and separate-loading packaging is too slow, can't satisfy the production capacity requirement of enterprise.
Summary of the invention
The object of the present invention is to provide a kind of online several seed weighting system and Weighing methods with weight compensation function that have; Mainly solve existing seed weighing device and the existing above-mentioned technical matters of method; Its adopts the mode of " grain number+meter is heavy ", weighs through real time sample, several, meter, obtains the corresponding relation of a number and weight; The target weight of adjustment packing in time; Thereby realize reaching the purpose of counting packing by grain with the method for weighing, it can solve well, and simple meter weighs or the problem of simple several existence, makes every bag of packing grain number more near the packing specification.
For realizing above-mentioned purpose, the present invention realizes like this.
A kind of have online several seed weighting system with weight compensation function, and it is characterized in that: it is made up of industrial computer, several weight scales, ST, packing scale, packaging machines; The top of described packing scale is furnished with the buffering bucket of storing, and an end of ST is contained in the buffering bucket, and the other end of ST is positioned at the vibratory tray top of several weight scales; The below of described packing scale is furnished with packaging machine; The control section of this weighing system adopts LAN networking structure; It comprises above-mentioned several weight scales, packing scale with network savvy; Industrial computer is as the control center of total system; Equipment in the said system is coordinated control, realize counting target weight and the feed parameters that weight is revised packing scale with the unit grain.
Described have online several seed weighting system with weight compensation function, it is characterized in that: the back apolegamy screening scale of packaging machine, can match the conveying belt transition between packaging machine and the screening scale.
Described have online several seed weighting system with weight compensation function; It is characterized in that: described ST has S type elephant trunk; This S type elephant trunk one end is in buffering bucket; The other end is positioned at the vibratory tray top of several weight scales, and S type elephant trunk can cushion seed from the impact that eminence falls, and splashes everywhere when preventing to fall into vibratory tray.
A kind of seed Weighing method; It is characterized in that it realizes through aforesaid seed weighting system; It has following concrete steps: 1. industrial computer sends several sign ons to several weight scales; Several weight scale control STs are taken a sample to the seed in the buffering bucket of packing scale top, and the sample of getting falls into the vibratory tray of several weight scales; 2. several weight scales begin several by the unit grain number that presets, and meter is heavy, and return several to industrial computer and accomplish signals and the unit grain is counted weight; Remaining sample in several weight scale emptying vibratory tray prepares to receive sample next time; 3. industrial computer is counted weight information with the unit grain that receives and is deposited storehouse in, and counts weight by the unit grain that statistical algorithms is obtained the current seed of packing; The described unit grain that calculates the current seed of packing obtain according to statistical method is counted weight; It is correction to the single sampling; Preventing that sample that single is got and actual material from having departs from, and draws result's (weighted calculation as hereinafter described) of a mistake; 4. industrial computer is counted weight and packing specification according to the unit grain of the seed of packing, the target weight of calculation packing scale; The target weight of packing scale is meant every bag packing weight; 5. when target weight changed, in order to guarantee package speed, industrial computer was adjusted the feed parameters of packing scale automatically according to new target weight; 6. industrial computer sends to packing scale with new target weight and feed parameters, and packing scale is adjusted metering automatically by new parameter; One begins to the end cycle of launching new target weight from sampling; Repeat continuously said process, constantly the unit's of obtaining grain is counted weight, and constantly revises the target weight of packing, makes the packing grain number of every bag more near the packing specification.
Described seed Weighing method; When it is characterized in that described step further comprising step after 6. 7. industrial computer passed to packing scale with new parameter; Begin to carry out countdown by the delay time that presets; Timing time arrives, and new target weight is issued screening scale, and screening scale carries out sorting by new target weight; One begins to the end cycle of launching new target weight from sampling.The target weight of screening scale is meant the reference value when weight sorts.The scope of reference value to higher limit and reference value to lower limit is commonly referred to be certified products, exceeds higher limit and thinks and lay particular stress on, and is lower than lower limit and thinks light partially.
Described seed Weighing method is characterized in that the described online unit of obtaining grain counts in the process of weight, and the weight of the seed of setting from the sampling spot of ST to the buffering bucket packing mouthful to be packaged is G; Weight of material G to be packaged is divided into n layer (n >=2); Every layer weight is 1/nG, and every kind period of the day from 11 p.m. to 1 a.m of packing out 1/nG begins to resample and counts weight to obtain new unit grain; And the new unit grain that will obtain counts weight and deposits storehouse in, makes all corresponding unit grain of weight of every layer count weight.
Described seed Weighing method; It is characterized in that described current unit grain counts in the Weight Calculation process; When the weight that adds up to pack away is equal to or greater than layering weight; (m≤n) the unit grain is counted weight, obtains current unit grain through weighted calculation and counts weight with m stacked at first in the storehouse; Wherein, the weight that the kind subunit grain that is about to pack is counted weight B is the highest, and the weight that its neighbouring kind subunit grain is counted weight A and C is taken second place, and when the current unit of acquisition grain is counted weight, shifts out nethermost data in the storehouse.
Apparatus of the present invention and method advantage compared with prior art is.
Have now and be: adopt off-line mass of 1000 kernel (1000 weight that seed is corresponding) method by the common way of grain number minute packing technique.Promptly a big silo is to many packing scale feed.Before packing began, manual work was obtained a mass of 1000 kernel to the material in the whole silo, then according to the packing specification, obtains the target weight value of packing.Be input in the instrument of every packing scale by manual work again.Because from being sampled to the target weight of revising packing scale, whole process is manually-operated, one-period needs 30 minutes at least.About 7000 kg (by silo size and the decision of packing production capacity) seed could corresponding mass of 1000 kernel.Just every packing 7000kg seed could be pressed the corresponding relation of grain number and weight, and the target weight of packing scale is once revised.Because the seed of different batches, water cut and grain size are widely different, one of add a silo to many packing scale feed, and this mass of 1000 kernel is very poor with the mass of 1000 kernel correspondence of the seed that reality is being packed.In addition, because whole process manual intervention is too much, maloperation can take place with input in frequent manual calculation unavoidably.And when the target weight of packing changed, in order to guarantee the metering speed and the precision of packing scale, feed parameters was put in order in each very important person's wage adjustment, and operating process bothers very much.
The present invention is owing to adopt online several with the automatic control of industrial computer following advantage to be arranged compared with prior art.
Number weight scale of every line configuration, sample tap are located in the storage bin hopper of every packing scale top, and the sample of getting more can truly reflect the characteristic of virtual package seed.
Employing makes corresponding unit grain of weight of every layer count weight weight of material layer mode in the storage bin hopper.When this one deck material moves down into the packing mouth, launch the unit grain of this one deck and count weight.
Owing to adopt industrial computer to sampling, overall processes such as several, meter are heavy, the target weight of packing scale and feed parameters modification are controlled automatically, without manual intervention, can shorten and obtain the cycle that new unit grain is counted weight.If several speed are by 500/minute, each several 1000, consider the sample circuit emptying time, obtain cycle that new unit grain counts weight greatly in 5 minutes at every turn.Divide calculating if the production capacity of packing scale is pressed 80kg/, approximately the 400kg seed just can be counted weight by corresponding unit grain.Just every packing 400kg seed just can once be revised the target weight of packing scale by the corresponding relation of grain number and weight.
Because adopt industrial computer to control automatically, the target weight of packing scale and screening scale can be realized interlock.
Description of drawings
Fig. 1 is the structural representation of system of the present invention.
Fig. 2 is the control section structural representation of system of the present invention.
Fig. 3 is the synoptic diagram of the sampling method of a kind of mass of 1000 kernel among the present invention.
Embodiment
See also Fig. 1,2, the invention discloses a kind of online several seed weighting system with the weight feedback function that have.As shown in the figure: it is made up of industrial computer 1, several weight scales 2, ST 3, packing scale 4, packaging machine 5 and screening scales 6 (can match, also shouldn't); The buffering bucket 9 that the top of described packing scale 4 is furnished with storing is equipped with ST 3 in the buffering bucket 9, the other end of ST 3 is positioned at vibratory tray 21 tops of several weight scales 2; The below of described packing scale 4 is furnished with packaging machine 5, and screening scale 6 can be matched in the back of packaging machine 5, between packaging machine 5 and the screening scale 6 by conveying belt 8 transition; The control section of this weighing system adopts LAN networking structure; It comprises above-mentioned several the weight scales 2 with network savvy, packing scale 4 and screening scale 6; Industrial computer 1 is as the control center of total system, and the equipment in the said system is coordinated control, accomplishes target weight calculation and controlled variable adjustment that seed sampling, several, unit grain are counted weight calculating, packing scale and screening scale; The storage data of weighing, and have with host computer 10 and carry out exchanges data.
Described LAN can use Ethernet, and has several weight scales, packing scale and the screening scale of Ethernet interface.
Described ST 3 can have S type elephant trunk 7, and these S type elephant trunk 7 one ends are in buffering bucket 9, and the other end is positioned at vibratory tray 21 tops of several weight scales 2, and this S type elephant trunk can cushion seed from the impact that eminence falls, and splashes everywhere when preventing to fall into vibratory tray.
Seed Weighing method through above-mentioned seed weighting system realizes has following concrete steps.
1. industrial computer 1 sends several sign ons to several weight scales 2, and the seed in 3 pairs of packing scales of several weight scale 2 control STs, the 4 top buffering buckets 9 is taken a sample, and the sample of getting falls into the vibratory tray 21 of several weight scales; 2. several weight scales 2 begin several by the unit grain number that presets, and meter is heavy, and return several to industrial computer 1 and accomplish signals and the unit grain is counted weight; Remaining sample in several weight scale 2 emptying vibratory tray 21 prepares to receive sample next time; 3. industrial computer 1 is counted weight information with the unit grain that receives and is deposited storehouse in, and counts weight by the unit grain that statistical algorithms is obtained the current seed of packing; 4. industrial computer 1 is counted weight and packing specification according to the unit grain of the seed of packing, the target weight of calculation packing scale 4 and screening scale 6; 5. when target weight changed, in order to guarantee package speed, industrial computer 1 was adjusted the feed parameters of packing scale 4 automatically according to new target weight; 6. industrial computer 1 sends to packing scale 4 with new target weight and feed parameters, and packing scale 4 is adjusted metering automatically by new parameter; When 7. industrial computer 1 is passed to packing scale 4 with new parameter, begin to carry out countdown by the delay time that presets, timing time arrives, and new target weight is issued screening scale 6, and screening scale 6 carries out sorting by new target weight; One begins to the end cycle of launching new target weight from sampling; Repeat continuously said process, constantly count weight, revise the target weight of packing, make the packing grain number of every bag more near the packing specification according to the unit grain that newly obtains.
Certainly, if be not equipped with screening scale in the system, then 7. correlation step can be ignored.
Unit grain number described in the system and method for the present invention can be that 100-grain weight, mass of 1000 kernel or ten thousand heavily wait.
Come further to introduce the present invention below in conjunction with Fig. 3 and with the sampling computing method of a kind of mass of 1000 kernel.
As shown in Figure 3, the described unit of obtaining grain is counted in the process of weight, and setting the weight of packing the seed to be packaged of mouth to buffering bucket 9 from the sampling spot of ST 3 is G; Weight of material G to be packaged is divided into the n layer; Every layer weight is 1/nG, and every kind period of the day from 11 p.m. to 1 a.m of packing out 1/nG begins to resample and counts weight to obtain new unit grain; And the new unit grain that will obtain counts weight and deposits storehouse in, makes all corresponding unit grain of weight of every layer count weight.
Described current unit grain is counted in the Weight Calculation process, and when the accumulative total weight of pack away was equal to or greater than layering weight, individual (m≤n) the unit grain was counted weight, obtains current unit grain through weighted calculation and counts weight with m stacked at first in the storehouse; Wherein, The weight that the kind subunit grain that is about to wrapper is counted weight B is the highest; Kind subunit grain of its neighbouring layer count the weight of weight A and C take second place (such as: the kind subunit grain that is about to pack is counted weight B and is accounted for 60% weight, and its neighbouring kind subunit grain is counted weight A and C, respectively accounts for 20% weight); When the current unit of acquisition grain is counted weight, shift out nethermost data in the storehouse.
Being merely preferred embodiment of the present invention in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be technological category of the present invention.
Claims (6)
1. one kind has online several the seed Weighing methods with weight compensation function; It is characterized in that: this seed Weighing method is implemented through seed weighting system, and this seed weighting system is made up of industrial computer (1), several weight scales (2), ST (3), packing scale (4), packaging machine (5); The top of described packing scale (4) is furnished with the buffering bucket (9) of storing, and an end of ST (3) is contained in the buffering bucket (9), and the other end of ST (3) is positioned at vibratory tray (21) top of several weight scales (2); The below of described packing scale (4) is furnished with packaging machine (5); The control section of this weighing system adopts LAN networking structure; It comprises above-mentioned several the weight scales (2) with network savvy, packing scale (4); Industrial computer (1) is as the control center of total system; Equipment in the said system is coordinated control, realize counting target weight and the feed parameters that weight is revised packing scale with the unit grain;
The concrete steps of this method are following:
1. industrial computer (1) sends several sign ons to several weight scales (2); Several weight scales (2) control STs (3) are taken a sample to the seed in packing scale (4) the top buffering bucket (9), and the sample of getting falls into the vibratory tray (21) of several weight scales;
2. several weight scales (2) begin several by the unit grain number that presets, and meter is heavy, and return several to industrial computer (1) and accomplish signals and the unit grain is counted weight; Remaining sample in several weight scales (2) the emptying vibratory tray (21) prepares to receive sample next time;
3. industrial computer (1) is counted weight information with the unit grain that receives and is deposited storehouse in, and counts weight by the unit grain that statistical algorithms is obtained the current seed of packing;
4. industrial computer (1) is counted weight and packing specification according to the unit grain of the seed of packing, the target weight of calculation packing scale (4);
5. when target weight changed, in order to guarantee package speed, industrial computer (1) was adjusted the feed parameters of packing scale (4) automatically according to new target weight;
6. industrial computer (1) sends to packing scale (4) with new target weight and feed parameters, and packing scale (4) is adjusted metering automatically by new parameter;
One begins to the end cycle of launching new target weight from sampling; Repeat continuously said process, constantly the unit's of obtaining grain is counted weight, and constantly revises the target weight of packing, makes the packing grain number of every bag more near the packing specification.
2. according to claim 1 have online several seed Weighing methods with weight compensation function; It is characterized in that further comprising step 7. after described step 6.: when industrial computer (1) is passed to packing scale (4) with new parameter; Begin to carry out countdown by the delay time that presets; Timing time arrives, and new aim parameter is issued screening scale (6), and screening scale (6) carries out sorting by new target weight; One begins to the end cycle of launching new target weight from sampling.
3. according to claim 1 and 2 have online several seed Weighing methods with weight compensation function; It is characterized in that the online unit of obtaining grain counts in the process of weight, the weight of setting from the sampling spot of ST (3) to the seed to be packaged of buffering bucket (9) packing mouth is G, and weight of material G to be packaged is divided into the n layer; N >=2; Every layer weight is 1/nG, and every kind period of the day from 11 p.m. to 1 a.m of packing out 1/nG begins to resample and counts weight to obtain new unit grain; And the new unit grain that will obtain counts weight and deposits storehouse in, makes all corresponding unit grain of weight of every layer count weight.
4. according to claim 3 have online several seed Weighing methods with weight compensation function; It is characterized in that new unit grain counts in the Weight Calculation process; When the weight that adds up to pack away is equal to or greater than layering weight; Count weight with m stacked at first in the storehouse unit grain, m≤n obtains new unit grain through weighted calculation and counts weight; Wherein, the weight that the kind subunit grain that is about to pack is counted weight B is the highest, and the weight that its neighbouring kind subunit grain is counted weight A and C is taken second place, and when the new unit grain of acquisition is counted weight, shifts out nethermost data in the storehouse.
5. according to claim 1 have online several seed Weighing methods with weight compensation function; It is characterized in that: the back apolegamy screening scale (6) of packaging machine (5), can match conveying belt (8) transition between packaging machine (5) and the screening scale (6).
6. according to claim 1 have online several seed Weighing methods with weight compensation function; It is characterized in that: described ST (3) has S type elephant trunk (7); These S type elephant trunk (7) one ends are in buffering bucket (9), and the other end is positioned at vibratory tray (21) top of several weight scales (2).
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102700739B (en) * | 2012-06-20 | 2013-11-06 | 上海大和衡器有限公司 | Quantitative packaging scale for sub-package according to amount of grains and quantitative weighing method of quantitative packaging scale |
| CN103029853B (en) * | 2013-01-11 | 2014-07-23 | 上海大和衡器有限公司 | System and method for monitoring and tracing packaging grains in each bag |
| CN104760714B (en) * | 2015-01-29 | 2017-01-04 | 贵阳开磷化肥有限公司 | A kind of stock product packed weight control method |
| CN105691762B (en) * | 2016-04-25 | 2018-04-20 | 崔学晨 | A kind of several packing devices |
| CN108801410B (en) * | 2018-08-28 | 2020-11-03 | 广西盛隆钢铁材料研究院 | Steel casting weight percent of pass detection device |
| CN109799756B (en) * | 2019-01-28 | 2024-04-16 | 上海太易检测技术有限公司 | Cascade weight sorting system with time delay measurement structure |
| JP7244309B2 (en) | 2019-03-11 | 2023-03-22 | 株式会社ニチレイフーズ | Combination weighing system, combination weighing method and combination weighing program |
| CN111301763B (en) * | 2020-03-02 | 2022-01-18 | 烟台大学 | Apple counter weight equipment |
| CN112179469B (en) * | 2020-08-27 | 2022-04-22 | 广东精威智能机器有限公司 | Mixing weighing method and mixing equipment |
| CN113008344B (en) * | 2021-03-08 | 2021-12-24 | 华南农业大学 | Error-correcting type seed weighing method |
| CN114771945A (en) * | 2022-05-12 | 2022-07-22 | 合肥博创智能包装设备有限公司 | Automatic online grain counting and weighing integrated machine |
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| JP2001100846A (en) * | 1999-10-04 | 2001-04-13 | Yamato Scale Co Ltd | Quantitative feeder |
| US20050060958A1 (en) * | 2003-08-29 | 2005-03-24 | Delta And Pine Land Company | Seed handling systems and methods |
| KR100895048B1 (en) * | 2007-08-23 | 2009-05-04 | 주식회사 아이디알시스템 | Hopper scale apparatus |
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| CN2212782Y (en) * | 1994-12-28 | 1995-11-15 | 济南金钟电子衡器股份有限公司 | Weighing apparatus for quantitatively packing |
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