CN104729618A - Granary grain sensing device, measuring equipment and measuring method of granary grain storage quantity - Google Patents
Granary grain sensing device, measuring equipment and measuring method of granary grain storage quantity Download PDFInfo
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- CN104729618A CN104729618A CN201510040430.0A CN201510040430A CN104729618A CN 104729618 A CN104729618 A CN 104729618A CN 201510040430 A CN201510040430 A CN 201510040430A CN 104729618 A CN104729618 A CN 104729618A
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Abstract
The invention relates to the technical field of detection device. The invention relates to a granary grain sensing device, measuring equipment and a measuring method of granary grain storage quantity. The granary grain sensing device comprises a ruler body, and two or more position sensors are arranged at the ruler body in the height direction at interval. The granary grain sensing device and the measuring equipment and the measuring method of granary grain storage quantity have the advantages that the structure is reasonable and compact, use is convenient, manual operation of the granary grain sensing device, the measuring equipment and the measuring method of granary grain storage quantity is changed to automatic operation, artificial subjective factors are reduced, and the objectivity and fairness of data are guaranteed; due to that on-site field implement measurement is changed to remote operation, the workload of the manual operation and the labor cost are reduced; the comprehensive verification is achieved by using remote monitoring technology from manual measurement and part selective examination; the inventory check of on-site mode of execution is reduced, the inputs of manpower, financial resources and material resources are greatly reduced, non-secret-involved data are transferred, and the level of security and secrecy is improved.
Description
Technical field
The present invention relates to pick-up unit technical field, is a kind of silo grain sensing device, the measurement mechanism of quantity of stored grains in granary and measuring method.
Background technology
At present, the method that grain administrative service division carries out grain Stock Check is: utilize manual measurement method to obtain the basic data of Stock Check, the stockpile number calculated according to certain account form by basic data, compares with account data and judges whether actual grain storage quantity conforms to account.The instrument used mainly contains: tape measure, laser range finder, sampling device of deep layer, grain moisture content analyser, liter weighing tester, test sieve etc.For horizontal warehouse, concrete operation step is: the first step: manual operation tape measure or laser range finder measure length and the width in warehouse; Second step: recycling sampling device of deep layer measures the true altitude that warehouse stores grain; 3rd step: calculate grain heap volume; 4th step: in deduction warehouse, installations and facilities take grain heap volume; 5th step: according to the unit weight measuring and calculating grain stockpile number of known grain; 6th step: calculate the grain management losses such as keeping natural wastage, moisture decrement, impurity decrement according to data such as moisture, impurity, the keeping time limits; 7th step: the grain stockpile number calculated by the 5th step adds that grain management loss quantity draws and finally calculates quantity; 8th step: finally will calculate quantity and inventory account number ratio comparatively, if actual measuring and calculating quantity and account quantitative error are within ± 3%, then judges that its accounts and properties conform to; 9th step: real empty storehouse is judged.
Above-mentioned existing manual measurement method exists following not enough: 1. checking storehouse region is wide, for Xinjiang region, state, the Xinjiang whole district 14 ground, 88 counties and cities, grain collection and storage enterprise family more than 120, storage scale 5,000,000 tons, there is the storehouse point more than 400 of stored grain, distribute multi-point and wide-ranging, traffic line length, storehouse, county average headway reaches 140 kilometers, and wherein the major grain producing area such as Yi Li, Tacheng, Keshen, Aksu and provincial capital spacing reach 700-1500 kilometer, 2. manual measurement cost is higher, the mode of manual measurement must take the mode of field conduct to carry out, for the warehouse of capacity 2500 tons and 5000 tons, every storehouse manual measurement basic data samples needs 1 hour, concrete detection computations disposal data needs 1 hour, measure from basic data and calculate actual quantity and within least 2 hours, just can complete measurement storehouse, such as check 4 states, ground and affiliated 4 grain stock enterprises of counties and cities, the each Ge Zhouzhi enterprise in state counts 4 enterprises wherein eachly, each 1 county, 4 state, ground, enterprise of 2, each county counts 10 enterprises, by six contents of enforcement request and supervision, each enterprise needs supervisory personnel 14 people, 20 days each enterprise supervision time, 14 enterprises add up to 196 people/time, travel expenses be 196(people/time) × 464 yuan of (standard) × 20(days)=1818880 yuan, transportation expenses are state, 4 ground, 4 groups, need 4 cars, each group of vehicle expense 30,000 yuan, add up to 120,000 yuan, the mode that manual measurement traditionally calculates, existing personnel's situation can only complete whole district's grain and store up selective examination work, as whole district's storehouse point is all found, need check fund about 2,000 ten thousand yuan, lose more than gain, 3. manual measurement speed is slow, cost consumption manpower consuming time, can not accomplish comprehensive inspection, can only spot-check in proportion, manually-operated metering system, there is many labile factors, key is that speed is slow, if produce doubt result of calculation, check and cannot complete in official hour especially, if check oneself result to grain stock to verify comprehensively, ratio can only account for whole grain stock's 20%, and part major grain producing area can only account for 10%, 4. the transmission problem of Stock Check confidential data, in the process of Stock Check, a large amount of for generation are related to index of flow certificate, partial data is confidential data, specify according to security management, confidential data must carry out transmitting and managing in strict accordance with relevant regulations, current Stock Check data rely on artificial mode to transmit substantially, there is hidden danger of divulging a secret in the with high costs and transmission of data, provincial grain department and area, city and grain department at county level do not have sufficient grain supervision and check troop yet, the comprehensive of supervision and check and integrality cannot be ensured, and the mode of manual measurement, the safety of the safety that data are preserved and transmission cannot be ensured.
Summary of the invention
The invention provides a kind of silo grain sensing device, the measurement mechanism of quantity of stored grains in granary and measuring method, overcome the deficiency of above-mentioned prior art, its can effectively solve high, the measuring speed of manual measurement cost that existing grain Stock Check exists slowly, the problem that cannot realize comprehensive inspection, the safety of the safety that data are preserved and transmission cannot be ensured.
The first technical scheme of the present invention is realized by following measures: a kind of silo grain sensing device, comprises scale body, scale body is equidistantly installed with along short transverse and is no less than more than one position transducer.
Here is the further optimization and/or improvements to foregoing invention technical scheme:
Above-mentioned position transducer is pressure transducer.
Distance between above-mentioned adjacent two position transducers is less than or equal to 240mm; Or/and, scale body is provided with scale mark along short transverse; Or/and position transducer is capacitance pressure transducer.
The second technical scheme of the present invention is realized by following measures: a kind of measurement mechanism adopting the quantity of stored grains in granary of above-mentioned silo grain sensing device, it comprises silo body, the side plate inwall of silo body is installed with silo grain sensing device.
The inner chamber of above-mentioned silo body is cuboid or cylindrical, and four corners of the side plate inwall of the silo body of cuboid are installed with a silo grain sensing device respectively.
The left plate inwall of the silo body of above-mentioned cuboid is installed with equally spacedly the silo grain sensing device being no less than two, the right plate inwall of the silo body of cuboid is installed with accordingly the silo grain sensing device being no less than two.
The third technical scheme of the present invention is realized by following measures: a kind of measuring method adopting the quantity of stored grains in granary of above-mentioned measurement mechanism, carries out according to following steps:
Step 101, data acquisition and transmission;
Step 102, grain face elevation carrection;
Step 103, grain meter counts;
Step 104, grain total losses calculate;
Step 105, grain inspection calculates number;
Step 106, grain stock accounts and properties quantitative determination.
In a step 101 above-mentioned, silo grain sensing device is utilized to gather grain face altitude information, and utilize cable centralized collection to silo data terminal the electric signal of reflection grain face altitude information, then with wireless or/and wired mode sends data to business administration terminal;
In a step 102, the arithmetic mean of the numerical evaluation grain face height utilizing silo grain sensing device to record,
h=(h 1 + h 2 + h 3 + ... + h n )/n; Wherein
hfor the flat stack height of grain,
h n be
nthe grain face height that individual silo grain sensing device records;
In step 103, carry out according to following steps:
Step 1031, grain average density calculates
ρ=ρ r × k x × 1,000 ‰, wherein,
ρfor grain average density,
ρ r for the actual measurement unit weight that puts in storage,
k x for correction factor; Step 1032, grain heap measurement volumes calculates
v=l 0 b 0 h, wherein,
vfor grain heap measurement volumes,
l 0 for the length of horizontal warehouse,
b 0 for the width of horizontal warehouse,
hfor the flat stack height of grain; Step 1033, cage takies volume computing
v d =π r 2 h d / 2, wherein,
v d for cage takies volume,
rfor cage radius,
h d for cage air channel overall length; Step 1034, grain meter arithmetic computation
q c =ρ (V-V d ), wherein,
q c for grain meter counts,
ρfor grain average density,
vfor grain heap measurement volumes,
v d for cage takies volume;
At step 104, carry out according to following steps:
Step 1041, keeping natural wastage calculates
q z =Q b × 0.2% × Y, wherein,
q z for keeping natural wastage,
q b for grain management account quantity,
yfor food storage year number; Step 1042, moisture decrement calculates
q w =k j × Q b × Y, wherein,
q w for moisture decrement,
q b for grain management account quantity,
k j for decrement factor,
yfor food storage year number; Step 1043, grain total losses calculate
q s =Q z + Q w , wherein,
q s for grain total losses,
q z for keeping natural wastage,
q w for moisture decrement;
In step 105, grain inspection calculates number computing formula
q j =Q c + Q s , wherein,
q j for grain inspection calculates number,
q c for grain meter counts,
q s for grain total losses;
In step 106, accounts and properties conform to situation judgment formula
s=(
q b -Q j )/Q b × 100%if,
s≤ ±
3%, then regard as accounts and properties and conform to, wherein,
sfor rate,
q b for grain management account quantity,
q j for grain inspection calculates number.
4th kind of technical scheme of the present invention is realized by following measures: a kind of measuring method adopting the quantity of stored grains in granary of above-mentioned measurement mechanism, carries out according to following steps:
Step 101, data acquisition and transmission;
Step 102, grain face elevation carrection;
Step 103, grain meter counts;
Step 104, grain total losses calculate;
Step 105, grain inspection calculates number;
Step 106, grain stock accounts and properties quantitative determination.
In a step 101 above-mentioned, silo grain sensing device is utilized to gather grain face altitude information, and utilize cable centralized collection to silo data terminal the electric signal of reflection grain face altitude information, then with wireless or/and wired mode sends data to business administration terminal;
In a step 102, the arithmetic mean of the numerical evaluation grain face height utilizing silo grain sensing device to record
h=(h 1 + h 2 + h 3 + ... + h n )/n,wherein
hfor the flat stack height of grain,
h n be
nthe grain face height that individual silo grain sensing device records;
In step 103, carry out according to following steps:
Step 1031, grain average density calculates
ρ=ρ r × k x × 1,000 ‰, wherein,
ρfor grain average density,
ρ r for the actual measurement unit weight that puts in storage,
k x for correction factor; Step 1032, grain heap measurement volumes calculates
v=π r 2 h, wherein,
vfor grain heap measurement volumes,
rfor vertical silo radius,
hfor the flat stack height of grain; Step 1033, grain meter arithmetic computation
q c =ρ V, wherein,
ρfor grain average density,
vfor grain heap measurement volumes;
At step 104, carry out according to following steps:
Step 1041, keeping natural wastage calculates
q z =Q b × 0.2% × Y, wherein,
q z for keeping natural wastage,
q b for grain management account quantity,
yfor food storage year number; Step 1042, moisture decrement calculates
q w =k j × Q b × Y, wherein,
q w for moisture decrement,
q b for grain management account quantity,
k j for decrement factor,
yfor food storage year number; Step 1043, grain total losses calculate
q s =Q z + Q w , wherein,
q s for grain total losses,
q z for keeping natural wastage,
q w for moisture decrement;
In step 105, grain inspection calculates number computing formula
q j =Q c + Q s , wherein,
q j for grain inspection calculates number,
q c for grain meter counts,
q s for grain total losses;
In step 106, accounts and properties conform to situation judgment formula
s=(
q b -Q j )/Q b × 100%if,
s≤ ±
3%, then regard as accounts and properties and conform to, wherein,
sfor rate,
q b for grain management account quantity,
q j for grain inspection calculates number.
Reasonable and compact in structure of the present invention, easy to use, it changes automation mechanized operation into by manual operation, decreases artificial subjective factor, guarantees data objective and fair; Change operated from a distance into by field conduct measurement on the spot, decrease manual operation workload and cost of labor; By manual measurement, part selective examination to utilizing Remote Monitoring Technology to verify comprehensively; Reduce the Stock Check of field conduct mode, again site inspection is carried out to the storehouse point that remote monitoring goes wrong; By regularly, concentrate hand inspection to long-range, normalization inspection, add frequency and the randomness of inspection, improve the accuracy of check result, prevent human intervention check result; In the reliable situation of monitoring result standard, reduce the input of a large amount of manpower, financial resources, material resources; Transmit non-confidential data, compared with transmission confidential data, decrease the input of network and system Construction, improve safe and secret level, there is safe, laborsaving, easy, efficient feature.
Accompanying drawing explanation
What accompanying drawing 1 was first embodiment of the invention overlooks sectional structure schematic diagram.
Accompanying drawing 2 looks sectional structure schematic diagram for the master of structure shown in accompanying drawing 1.
Accompanying drawing 3 is the structure for amplifying schematic diagram at A place in accompanying drawing 2.
Accompanying drawing 4 be in accompanying drawing 2 B-B to sectional structure schematic diagram.
Accompanying drawing 5 is the structural representation that in accompanying drawing 4, silo sidewall is subject to grain wall pressure.
Accompanying drawing 6 is the schematic flow sheet of the measuring method of second embodiment of the invention quantity of stored grains in granary.
Coding in accompanying drawing is respectively: 1 is scale body, 2 is position transducer, 3 is silo body, 4 is the first silo grain sensing device, 5 is the second silo grain sensing device, 6 is the 3rd silo grain sensing device, 7 is the 4th silo grain sensing device, 8 is the 5th silo grain sensing device, 9 is the 6th silo grain sensing device, and 10 is the 7th silo grain sensing device, and 11 is the 8th silo grain sensing device, arrow C, arrow D, arrow E indication are heap grain line, and f is the distance between adjacent two pressure transducers.
Embodiment
The present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
As shown in accompanying drawing 1,2,3,4,5, this silo grain sensing device comprises scale body 1, scale body 1 is equidistantly installed with along short transverse and is no less than more than one position transducer 2.
According to actual needs, above-mentioned silo grain sensing device can be made further optimization and/or improvements:
As shown in accompanying drawing 1,2,3,4,5, above-mentioned position transducer 2 is pressure transducer.
As shown in accompanying drawing 1,2, above-mentioned position transducer 2 is capacitance pressure transducer.
As shown in accompanying drawing 1,2, the distance f≤240mm between above-mentioned adjacent two position transducers 2.
Preferably, said scale body 1 can be provided with scale mark along short transverse.
This silo grain sensing device selects capacitance pressure transducer, as position transducer 2, and implement than being easier to, cost is not high yet.
Measuring sensor in capacitance pressure transducer, is electric capacity, and electric capacity is when other condition is constant, and when changing the distance between pole plate, electric capacity can change thereupon, and more small capacitances is larger for distance, and more bulky capacitor is less for distance.Select type polar distance variable capacitance formula pressure transducer proper as measurement components and parts according to pressure characteristic, it is made up of two conductor electrodes, causes the change of static capacity to carry out measuring by the change of grain controlling level to be measured between electrode.Its sensitive element shape can make bar-shaped, wire and tabular.Silo grain sensing device is be provided with the dip stick of capacitance pressure transducer, as scale, major function is the height value judging that pressure exists, and on scale label, every 50 mm arrange the type polar distance variable capacitance formula pressure transducer of a strip as pressure survey scale mark.Each scale mark has and judges the function whether pressure exists separately, when a certain scale has the wall pressure from grain, the capacitor plate of corresponding scale is squeezed, electric capacity will increase, can learn that this place's pressure " has " or "None" by capacitance measurement circuit, and direct corresponding grain face height.The size not needing calculating pressure value measured by this silo grain sensing device, for observational measurement but not quantitative measurment, implements like this and is just very easy to.
Capacitance pressure transducer, mainly possesses following advantage: 1. high impedance, miniwatt, capacitance pressure transducer, because of electrostatic attraction between charged pole plate minimum, thus required input electric power is very little, input energy is also very low, so suitable to especially solving the low measurement problem of input energy, such as, measure extremely low or responsive not pressure; 2. temperature stability is good, and the capacitance of sensor is general to have nothing to do with electrode material, is conducive to the material that selective temperature coefficient is low, again because of own generate heat minimum, very micro-to stability influence; 3. structure is simple, strong adaptability, body to be measured be conductor or semiconductor equalizing can, can work in rugged surroundings, capacitive sensor structure is simple, is easy to manufacture, can does very small and exquisite.
Certainly, position transducer 2 can also adopt infrared ambulator, laser range finder, radar range finder etc., adopts the silo grain sensing device of these position transducers 2 also should be included within protection scope of the present invention.
Embodiment one: as shown in accompanying drawing 1,2,3,4,5, the measurement mechanism of the quantity of stored grains in granary of this employing above-mentioned silo grain sensing device, comprises silo body 3, the side plate inwall of silo body 3 is installed with silo grain sensing device.
As shown in accompanying drawing 1,2,3,4,5, the inner chamber of above-mentioned silo body 3 is cuboid, and four corners of the side plate inwall of silo body 3 are installed with a silo grain sensing device respectively.Inner chamber is the silo body i.e. horizontal warehouse hereinafter described of cuboid.
As shown in accompanying drawing 1,2,3,4,5, the left plate inwall of above-mentioned silo body 3 is installed with equally spacedly the silo grain sensing device being no less than two, the right plate inwall of silo body 3 is installed with accordingly the silo grain sensing device being no less than two.
The feature of the measurement mechanism of the quantity of stored grains in granary of above-mentioned silo grain sensing device is adopted to be: 1. reduced pressure force value determines position between two: can learn that this place's pressure " has " or "None" by capacitance measurement circuit, by the mode contrasted between two, when between two contrast in one have force value, another without force value time, using the height of " having " force value as grain face height; 2. a pressure transducer is set at interval of 50mm.
According to the attribute of " silo grain sensing device ", judge concrete grain storage face height, such as in the 80th scale value scope h80, there is pressure data, 81st scale value h81 is without pressure sensing data, then height h in grain storage face can be obtained by formulae discovery, h=hn × 50mm=80 × 50mm=4000mm=4.0m.
(1) arrangement
The layout of " silo grain sensing device " is determined according to silo storehouse type, for measurement accuracy and economy two aspect are considered, arrange silo grain sensing device, comprise the first silo grain sensing device 4, second silo grain sensing device the 5, the 3rd silo grain sensing device the 6, the 4th silo grain sensing device the 7, the 5th silo grain sensing device the 8, the 6th silo grain sensing device the 9, the 7th silo grain sensing device the 10, the 8th silo grain sensing device 11, the concrete position mode of horizontal warehouse is as shown in accompanying drawing 1,2,3,4,5.
Embodiment two: as shown in Figure 6, a kind of measuring method adopting the quantity of stored grains in granary of above-described embodiment measurement mechanism, carry out according to following steps:
Step 101, data acquisition and transmission;
Step 102, grain face elevation carrection;
Step 103, grain meter counts;
Step 104, grain total losses calculate;
Step 105, grain inspection calculates number;
Step 106, grain stock accounts and properties quantitative determination.
The concrete use procedure of the embodiment of the present invention two is as follows: for 15m × 52m across wheat horizontal warehouse, and wherein length is 52m, and span is 15m, cage air channel arranges with fixed form, total length is 184m, and cage section configuration is the semicircle of r=250mm, and shared volume is fixed value.
Step 101, silo grain sensing device obtains corresponding data, in horizontal warehouse, utilize cable that the data centralization of 8 silo grain sensing devices is collected silo data terminal, then send data to business administration terminal (PC or server) in a wireless or wired way.
Step 102, grain face elevation carrection: the arithmetic mean of the numerical evaluation grain face height utilizing silo grain sensing device to obtain:
h=(h 1 + h 2 + h 3 + ... + h n )/n; Here
n=8,wherein
hfor the flat stack height of grain
(m),
h n be
nthe grain face height that individual silo grain sensing device records
(m);
Step 103, grain meter counts;
Step 1031, grain average density calculates:
ρ=ρ r × k x × 1,000 ‰,in formula
ρfor grain average density
(kg/m 3 ), ρ r for the actual measurement unit weight that puts in storage
(g/l), k x for correction factor
(1.03-1.05),suppose
ρ r =
750g/l;
k x =1.04,substitute into
ρ=750 × 1.04 × 1,000 ‰ kg/m 3 =780 kg/m 3 .
Step 1032, grain heap measurement volumes calculates:
v=l 0 b 0 h,in formula
vfor grain heap measurement volumes
(m 3 ), l 0 square storehouse length
(m), b 0 for horizontal warehouse width
(m), hfor the flat stack height of grain
(m), hmeasured by pressure silo grain sensing device and calculated.Assignment
l 0 =52m; b 0 =15m; H=4m,substitute into
v=52 × 15 × 4 m 3 =3120m 3 .
Step 1033, cage takies volume computing:
v d =π r 2 h d / 2
In formula,
v d for cage take volume (
m 3 );
rfor cage radius
(m);
h d for cage air channel overall length
(m);
Assignment
r=0.25m; h d =184m;
Substitute into
v d =π × 0.25 2 × 184/2m 3 =18.07m 3 ;
Step 1034, grain meter arithmetic computation:
q c =ρ (V-V d )
In formula,
q cfor grain meter counts
(kg);
ρfor grain average density
(kg/m 3 );
vfor grain heap measurement volumes
(m 3 );
v d for cage takies volume
(m 3 );
Assignment
ρ=
780 kg/m 3 ; V=3120m 3 ; V d =18.07m 3 ;
Substitute into
q c =780 × (3120-18.07) kg=2419505.4kg.
Step 104, grain total losses calculate:
Step 1041, keeping natural wastage calculates:
Q
z
=Q
b
×0.2%×Y
In formula,
q z for keeping natural wastage
(kg);
q b for grain management account quantity
(kg);
yfor food storage year number;
Assignment,
q b =2502350kg (suppose
); Y=2 (suppose
),
Substitute into
q z =2502350 × 0.2% × 2 kg=10009.4 kg.
Step 1042, moisture decrement calculates:
Q
w
=k
j
×Q
b
×Y
In formula,
q w for moisture decrement
(kg);
q b for grain management account quantity
(kg);
k j for decrement factor (statistics empirical value, region-by-region is different, and by grain office of state measuring method, region-by-region determines different numerical value)
yfor food storage year number;
Assignment
q b =2502350kg (suppose
);
k j =0.6% (suppose
);
y=2 (suppose
),
Substitute into
q w =2502350 × 0.6% × 2kg=30028.2kg.
Step 1043, grain total losses calculate:
Q
s
=Q
z
+Q
w
In formula,
q s for grain total losses
(kg);
q z for keeping natural wastage
(kg);
q w for moisture decrement
(kg);
Assignment
q z =10009.4kg; Q w =30028.2kg;
Substitute into
q s =10009.4+30028.2kg=40037.6kg.
Step 105, grain inspection calculates number, and the representative of this numerical value is to being looked into the estimation result of storehouse grain warehouse-in original amount.
Qj=Qc+Qs
In formula
, Q j for grain inspection calculates number
(kg);
q c for grain meter counts
(kg);
q s for grain total losses
(kg);
Assignment
q c =2419505.4kg;
q s =40037.6kg;
Substitute into
q j =2419505.4+40037.6kg=2459543kg.
Step 106, grain stock accounts and properties quantitative determination.
Number is calculated according to can be calculated grain inspection above
q j , namely represent by the estimation result looking into silo grain warehouse-in original amount,
q b for grain management account quantity.
The accounts and properties situation that conforms to judges:
S=(
Q b -Q j )/Q b ×100%
If
s≤ ±
3%regard as accounts and properties to conform to;
In formula,
sfor rate;
q b for grain management account quantity
(kg);
q j for grain inspection calculates number
(kg);
Assignment
q b =2502350kg (suppose
); Q j =2459543kg;
Substitute into
s=(
2502350-2459543)/2502350 × 100%=1.71%;
s=1.71%≤
3%,can be judged as that accounts and properties conform to accordingly, the grain management account quantity namely in silo conforms to the actual store in silo.
Otherwise can be judged as that accounts and properties do not conform to, the grain management account quantity namely in silo does not conform to the actual store in silo.
Embodiment three: vertical silo is diameter and highly all certain right cylinder, namely inner chamber is tubular silo body is vertical silo, silo grain sensing device is perpendicular to ground and be fixedly mounted on the inwall of vertical silo, and the height of silo grain sensing device is greater than Filling high, the installation quantity of silo grain sensing device is more than one.As shown in Figure 6, below for vertical silo, the measuring method of the quantity of stored grains in granary of the measurement mechanism adopted described in above-described embodiment one is described, carries out according to following steps:
Step 101, data acquisition and transmission;
Step 102, grain face elevation carrection;
Step 103, grain meter counts;
Step 104, grain total losses calculate;
Step 105, grain inspection calculates number;
Step 106, grain stock accounts and properties quantitative determination.
In a step 101 above-mentioned, silo grain sensing device is utilized to gather grain face altitude information, and utilize cable centralized collection to silo data terminal the electric signal of reflection grain face altitude information, then with wireless or/and wired mode sends data to business administration terminal;
In a step 102, the arithmetic mean of the numerical evaluation grain face height utilizing silo grain sensing device to record
h=(h 1 + h 2 + h 3 + ... + h n )/n,in formula,
hfor the flat stack height of grain
(m),
h n be
nthe grain face height that individual silo grain sensing device records
(m);
In step 103, carry out according to following steps:
Step 1031, grain average density calculates
ρ=ρ r × k x × 1,000 ‰, in formula,
ρfor grain average density
(kg/m 3 );
ρ r for the actual measurement unit weight that puts in storage
(g/l);
k x for correction factor
(1.03-1.05); Suppose
ρ r =750g/l;
k x =1.04;
substitute into ρ=750 × 1.04 × 1,000 ‰ kg/m 3 =780 kg/m 3 ;
Step 1032, grain heap measurement volumes calculates
v=π r 2 h,in formula,
vfor grain heap measurement volumes
(m 3 );
rfor vertical silo radius
(m);
hfor the flat stack height of grain
(m); Suppose
r=4 m,
h=17.5 m, substitute into
v=π × 4 2 × 17.5 m 3 =879.2m 3 ;
Step 1033, grain meter arithmetic computation
q c =ρ V, in formula,
ρfor grain average density
(kg/m 3 );
vfor grain heap measurement volumes
(m 3 ); Will
ρ=780 kg/m 3 ,
v=1004.8m 3 substitute into
q c =780 × 879.2 kg=685776kg;
At step 104, carry out according to following steps:
Step 1041, keeping natural wastage calculates
q z =Q b × 0.2% × Y
In formula,
q z for keeping natural wastage
(kg);
q b for grain management account quantity
(kg);
yfor food storage year number;
Assignment
q b =701522kg (suppose
);
y=2 (suppose
);
Substitute into
q z =701522 × 0.2% × 2 kg=2806 kg;
Step 1042, moisture decrement calculates
q w =k j × Q b × Y
In formula,
q w for moisture decrement
(kg);
q b for grain management account quantity
(kg);
k j for decrement factor
(statistics empirical value, region-by-region is different
);
yfor food storage year number;
Assignment
q b =701522kg (suppose
);
k j =0.6% (suppose
);
y=2 (suppose
);
Substitute into
q w =701522 × 0.6% × 2 kg=8418.26kg;
Step 1043, grain total losses calculate
q s =Q z + Q w ;
In formula,
q s for grain total losses
(kg);
q z for keeping natural wastage
(kg);
q w for moisture decrement
(kg);
Assignment
q z =2806kg; Q w =8418.26kg;
Substitute into
q s =2806+8418.26kg=11224.26kg;
In step 105, grain inspection calculates number computing formula
q j =Q c + Q s
In formula,
q j for grain inspection calculates number
(kg);
q c for grain meter counts
(kg);
q s for grain total losses
(kg);
Numerical value
q c =685776kg; Q s =11224.26kg;
Substitute into
q j =685776+11224.26kg=697000.26kg;
In step 106, accounts and properties conform to situation judgment formula
s=(
q b -Q j )/Q b × 100%;
If
s≤ ±
3%, then regard as accounts and properties and conform to;
In formula,
sfor rate;
q b for grain management account quantity
(kg);
q j for grain inspection calculates number
(kg);
Numerical value
q b =701522kg (suppose
);
q j =697000.26kg;
Substitute into
s=(701522-697000.26)/701522 × 100%=0.64%;
s=0.64%≤3%, can be judged as that account reality accords with accordingly, the grain management account quantity namely in silo conforms to the actual store in silo.
Otherwise can be judged as that accounts and properties do not conform to, the grain management account quantity namely in silo does not conform to the actual store in silo.
Above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
According to above-described embodiment: the measurement mechanism of silo grain sensing device of the present invention and quantity of stored grains in granary has the feature of reasonable and compact in structure.The measuring method of quantity of stored grains in granary of the present invention, it changes automation mechanized operation into by manual operation, decreases artificial subjective factor, guarantees data objective and fair; Change operated from a distance into by field conduct measurement on the spot, decrease manual operation workload and cost of labor; By manual measurement, part selective examination to utilizing Remote Monitoring Technology to verify comprehensively; Reduce the Stock Check of field conduct mode, site inspection is carried out to the storehouse point that remote monitoring goes wrong; By regularly, concentrate hand inspection to long-range, normalization inspection, add frequency and the randomness of inspection, improve the accuracy of check result, prevent human intervention check result; In the reliable situation of monitoring result standard, reduce the input of a large amount of manpower, financial resources, material resources; Transmit non-confidential data, compared with transmission confidential data, decrease the input of network and system Construction, improve safe and secret level, there is safe, laborsaving, easy, efficient feature.
Claims (10)
1. a silo grain sensing device, is characterized in that comprising scale body, scale body is equidistantly installed with along short transverse and is no less than more than one position transducer.
2. silo grain sensing device according to claim 1, is characterized in that position transducer is pressure transducer.
3. silo grain sensing device according to claim 2, is characterized in that the distance between adjacent two position transducers is less than or equal to 240mm; Or/and, scale body is provided with scale mark along short transverse; Or/and position transducer is capacitance pressure transducer.
4. adopt a measurement mechanism for the quantity of stored grains in granary of the silo grain sensing device as described in claim 1 or 2 or 3, it is characterized in that comprising silo body, the side plate inwall of silo body is installed with silo grain sensing device.
5. the measurement mechanism of quantity of stored grains in granary according to claim 4, it is characterized in that the inner chamber of silo body is cuboid or cylindrical, four corners of the side plate inwall of the silo body of cuboid are installed with a silo grain sensing device respectively.
6. the measurement mechanism of quantity of stored grains in granary according to claim 5, the left plate inwall that it is characterized in that the silo body of cuboid is installed with the silo grain sensing device being no less than two equally spacedly, the right plate inwall of the silo body of cuboid is installed with accordingly the silo grain sensing device being no less than two.
7. one kind adopts the quantity of stored grains in granary of the measurement mechanism as described in claim 4 or 5 or 6
'smeasuring method, is characterized in that, carries out according to following steps:
Step 101, data acquisition and transmission;
Step 102, grain face elevation carrection;
Step 103, grain meter counts;
Step 104, grain total losses calculate;
Step 105, grain inspection calculates number;
Step 106, grain stock accounts and properties quantitative determination.
8. the measuring method of quantity of stored grains in granary according to claim 7, is characterized in that,
In a step 101, utilize silo grain sensing device to gather grain face altitude information, and utilize cable centralized collection to silo data terminal the electric signal of reflection grain face altitude information, then with wireless or/and wired mode sends data to business administration terminal;
In a step 102, the arithmetic mean of the numerical evaluation grain face height utilizing silo grain sensing device to record
h=(h 1 + h 2 + h 3 + ... + h n )/n,wherein
hfor the flat stack height of grain,
h n be
nthe grain face height that individual silo grain sensing device records;
In step 103, carry out according to following steps:
Step 1031, grain average density calculates
ρ=ρ r × k x × 1,000 ‰, wherein,
ρfor grain average density,
ρ r for the actual measurement unit weight that puts in storage,
k x for correction factor; Step 1032, grain heap measurement volumes calculates
v=l 0 b 0 h, wherein,
vfor grain heap measurement volumes,
l 0 for the length of horizontal warehouse,
b 0 for the width of horizontal warehouse,
hfor the flat stack height of grain; Step 1033, cage takies volume computing
v d =π r 2 h d / 2, wherein,
v d for cage takies volume,
rfor cage radius,
h d for cage air channel overall length; Step 1034, grain meter arithmetic computation
q c =ρ (V-V d ), wherein,
q c for grain meter counts,
ρfor grain average density,
vfor grain heap measurement volumes,
v d for cage takies volume;
At step 104, carry out according to following steps:
Step 1041, keeping natural wastage calculates
q z =Q b × 0.2% × Y, wherein,
q z for keeping natural wastage,
q b for grain management account quantity,
yfor food storage year number; Step 1042, moisture decrement calculates
q w =k j × Q b × Y, wherein,
q w for moisture decrement,
q b for grain management account quantity,
k j for decrement factor,
yfor food storage year number; Step 1043, grain total losses calculate
q s =Q z + Q w , wherein,
q s for grain total losses,
q z for keeping natural wastage,
q w for moisture decrement;
In step 105, grain inspection calculates number computing formula
q j =Q c + Q s , wherein,
q j for grain inspection calculates number,
q c for grain meter counts,
q s for grain total losses;
In step 106, accounts and properties conform to situation judgment formula
s=(
q b -Q j )/Q b × 100%if,
s≤ ±
3%, then regard as accounts and properties and conform to, wherein,
sfor rate,
q b for grain management account quantity,
q j for grain inspection calculates number.
9. one kind adopts the quantity of stored grains in granary of the measurement mechanism as described in claim 4 or 5
'smeasuring method, is characterized in that, carries out according to following steps:
Step 101, data acquisition and transmission;
Step 102, grain face elevation carrection;
Step 103, grain meter counts;
Step 104, grain total losses calculate;
Step 105, grain inspection calculates number;
Step 106, grain stock accounts and properties quantitative determination.
10. the measuring method of quantity of stored grains in granary according to claim 9, is characterized in that,
In a step 101, utilize silo grain sensing device to gather grain face altitude information, and utilize cable centralized collection to silo data terminal the electric signal of reflection grain face altitude information, then with wireless or/and wired mode sends data to business administration terminal;
In a step 102, the arithmetic mean of the numerical evaluation grain face height utilizing silo grain sensing device to record
h=(h 1 + h 2 + h 3 + ... + h n )/n,wherein
hfor the flat stack height of grain,
h n be
nthe grain face height that individual silo grain sensing device records;
In step 103, carry out according to following steps:
Step 1031, grain average density calculates
ρ=ρ r × k x × 1,000 ‰, wherein,
ρfor grain average density,
ρ r for the actual measurement unit weight that puts in storage,
k x for correction factor; Step 1032, grain heap measurement volumes calculates
v=π r 2 h, wherein,
vfor grain heap measurement volumes,
rfor vertical silo radius,
hfor the flat stack height of grain; Step 1033, grain meter arithmetic computation
q c =ρ V, wherein,
ρfor grain average density,
vfor grain heap measurement volumes;
At step 104, carry out according to following steps:
Step 1041, keeping natural wastage calculates
q z =Q b × 0.2% × Y, wherein,
q z for keeping natural wastage,
q b for grain management account quantity,
yfor food storage year number; Step 1042, moisture decrement calculates
q w =k j × Q b × Y, wherein,
q w for moisture decrement,
q b for grain management account quantity,
k j for decrement factor,
yfor food storage year number; Step 1043, grain total losses calculate
q s =Q z + Q w , wherein,
q s for grain total losses,
q z for keeping natural wastage,
q w for moisture decrement;
In step 105, grain inspection calculates number computing formula
q j =Q c + Q s , wherein,
q j for grain inspection calculates number,
q c for grain meter counts,
q s for grain total losses;
In step 106, accounts and properties conform to situation judgment formula
s=(
q b -Q j )/Q b × 100%if,
s≤ ±
3%, then regard as accounts and properties and conform to, wherein,
sfor rate,
q b for grain management account quantity,
q j for grain inspection calculates number.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203833A (en) * | 2017-04-25 | 2017-09-26 | 无为皖江粮食机械有限公司 | A kind of grain security store method and system based on infrared distance measurement |
| CN109001749A (en) * | 2018-04-26 | 2018-12-14 | 安徽科杰粮保仓储设备有限公司 | A kind of silo grain inventory Monitoring of Quantity device |
| CN109993663A (en) * | 2018-01-02 | 2019-07-09 | 航天信息股份有限公司 | Food administration system |
| CN110309977A (en) * | 2019-07-09 | 2019-10-08 | 河南工业大学 | A kind of grain heap sample height random layout method and round storehouse grain heap sample method |
| CN110411531A (en) * | 2019-08-28 | 2019-11-05 | 沙洲职业工学院 | A kind of grain amount of storage automatic detection device |
| CN110823347A (en) * | 2018-08-10 | 2020-02-21 | 河南工业大学 | Granary detection method and system based on bottom-side surface two-circle standard deviation polynomial model |
| CN110823336A (en) * | 2018-08-10 | 2020-02-21 | 河南工业大学 | Time-varying compensation method and system for granary data |
| CN110823340A (en) * | 2018-08-10 | 2020-02-21 | 河南工业大学 | Granary detection method and system based on bottom surface two-circle standard deviation polynomial model |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100734492B1 (en) * | 2006-10-20 | 2007-07-03 | 주식회사 대영 | A remote control system for water supply and drainage handling |
| CN101187578A (en) * | 2007-11-29 | 2008-05-28 | 张旭 | Storage material height-measuring system |
| CN101907481A (en) * | 2010-07-29 | 2010-12-08 | 河南工业大学 | Method for detecting quantity of stored grains in granary based on pressure sensor |
| CN103063136A (en) * | 2012-12-28 | 2013-04-24 | 大连工大（泗阳）光源与照明工程技术研究院有限公司 | Detecting system for granary reserves |
| CN103292693A (en) * | 2013-01-31 | 2013-09-11 | 王录民 | Granary capacity real-time monitoring system |
| CN103389057A (en) * | 2013-08-12 | 2013-11-13 | 江苏华阳金属管件有限公司 | Universal straight pipe verification device |
| CN204422004U (en) * | 2015-01-27 | 2015-06-24 | 新疆维吾尔自治区粮油科学研究所 | The measurement mechanism of silo grain sensing device, quantity of stored grains in granary |
-
2015
- 2015-01-27 CN CN201510040430.0A patent/CN104729618A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100734492B1 (en) * | 2006-10-20 | 2007-07-03 | 주식회사 대영 | A remote control system for water supply and drainage handling |
| CN101187578A (en) * | 2007-11-29 | 2008-05-28 | 张旭 | Storage material height-measuring system |
| CN101907481A (en) * | 2010-07-29 | 2010-12-08 | 河南工业大学 | Method for detecting quantity of stored grains in granary based on pressure sensor |
| CN103063136A (en) * | 2012-12-28 | 2013-04-24 | 大连工大（泗阳）光源与照明工程技术研究院有限公司 | Detecting system for granary reserves |
| CN103292693A (en) * | 2013-01-31 | 2013-09-11 | 王录民 | Granary capacity real-time monitoring system |
| CN103389057A (en) * | 2013-08-12 | 2013-11-13 | 江苏华阳金属管件有限公司 | Universal straight pipe verification device |
| CN204422004U (en) * | 2015-01-27 | 2015-06-24 | 新疆维吾尔自治区粮油科学研究所 | The measurement mechanism of silo grain sensing device, quantity of stored grains in granary |
Non-Patent Citations (2)
| Title |
|---|
| 任正晓: "《粮食库存检查实务》", 31 July 2007, 中国商业出版社 * |
| 陈得民等: "基于压力传感器网络的粮仓储粮数量监测系统", 《微计算机信息》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203833A (en) * | 2017-04-25 | 2017-09-26 | 无为皖江粮食机械有限公司 | A kind of grain security store method and system based on infrared distance measurement |
| CN109993663A (en) * | 2018-01-02 | 2019-07-09 | 航天信息股份有限公司 | Food administration system |
| CN109001749A (en) * | 2018-04-26 | 2018-12-14 | 安徽科杰粮保仓储设备有限公司 | A kind of silo grain inventory Monitoring of Quantity device |
| CN110823347A (en) * | 2018-08-10 | 2020-02-21 | 河南工业大学 | Granary detection method and system based on bottom-side surface two-circle standard deviation polynomial model |
| CN110823336A (en) * | 2018-08-10 | 2020-02-21 | 河南工业大学 | Time-varying compensation method and system for granary data |
| CN110823340A (en) * | 2018-08-10 | 2020-02-21 | 河南工业大学 | Granary detection method and system based on bottom surface two-circle standard deviation polynomial model |
| CN110823336B (en) * | 2018-08-10 | 2021-04-09 | 河南工业大学 | Time-varying compensation method and system for granary data |
| CN110823347B (en) * | 2018-08-10 | 2021-04-09 | 河南工业大学 | Granary detection method and system based on bottom-side surface two-circle standard deviation polynomial model |
| CN110823340B (en) * | 2018-08-10 | 2021-04-09 | 河南工业大学 | Granary detection method and system based on bottom surface two-circle standard deviation polynomial model |
| CN110309977A (en) * | 2019-07-09 | 2019-10-08 | 河南工业大学 | A kind of grain heap sample height random layout method and round storehouse grain heap sample method |
| CN110309977B (en) * | 2019-07-09 | 2022-11-01 | 河南工业大学 | Random grain heap sampling height layout method and silo grain heap sampling method |
| CN110411531A (en) * | 2019-08-28 | 2019-11-05 | 沙洲职业工学院 | A kind of grain amount of storage automatic detection device |
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