CN103307976B - The monitoring method of grain stock in barn - Google Patents
The monitoring method of grain stock in barn Download PDFInfo
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- CN103307976B CN103307976B CN201310132867.8A CN201310132867A CN103307976B CN 103307976 B CN103307976 B CN 103307976B CN 201310132867 A CN201310132867 A CN 201310132867A CN 103307976 B CN103307976 B CN 103307976B
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Abstract
The invention discloses a kind of monitoring method of grain stock in barn, monitoring method of the present invention can to hole capital after selling all securities time, enter after grain and after putting out cereal silo at every turn at every turn in grain upper surface scan; Obtain the hole capital after selling all securities moment respectively, enter moment after grain and the three-dimensional coordinate point set in the granary storage face in moment after at every turn putting out cereal at every turn; Software in computing machine builds the silo model corresponding with each moment respectively according to the three-dimensional coordinate point set in each moment; Calculate the volume of silo model, calculate and enter grain or the food storage volume after putting out cereal for i-th time, enter grain or the grain memory space after putting out cereal for i-th time, by M according to the density of grain and food storage volume computing
ibe stored in computing machine.The present invention have can Real-Time Monitoring grain memory space and enter grain at every turn, variable grain momentum when putting out cereal; Measuring accuracy is high; Can the abnormal conditions of grain in Timeliness coverage silo, loss is reduced to minimum; Observation process is easy, quick, reduces the feature of human cost.
Description
Technical field
The present invention relates to silo administrative skill field, especially relate to a kind of variation that can detect grain memory space and each grain in real time, the monitoring method of the grain stock in barn that measuring accuracy is high.
Background technology
At present, in the daily management of silo, in silo, the memory space of grain obtains mainly through two kinds of methods:
One method is tape measure method: the volume being obtained grain in silo by tape measure, then calculates grain memory space according to the density of grain with the bulking value recorded.There is metering process complexity, loaded down with trivial details, the deficiency of metering accuracy difference in the method.
Another kind method is Weighing method: measure and record the amount that in each silo, grain changes, and by inquiry grain variation record, calculates grain stock in barn; When the method existence is recorded imperfect, then cannot obtain the deficiency of grain memory space accurately.
Chinese patent mandate publication number: CN101185462A, authorize publication date on May 28th, 2008, disclose a kind of cereal vacuum storage device, containing hollow grain storage warehouse, described hollow grain storage warehouse is respectively arranged with charging Hatch Opening and discharging Hatch Opening, and described charging Hatch Opening and discharging Hatch Opening are respectively arranged with gland bonnet, it is characterized in that: in the inner chamber of described hollow grain storage warehouse, be set with flexible bag body, the size and shape of described flexible bag body and the inner chamber of described hollow grain storage warehouse match, described flexible bag body is respectively arranged with charging sack and discharging sack, described charging sack is corresponding with discharging Hatch Opening with the charging Hatch Opening of described hollow silo with discharging sack, and described charging sack and discharging sack are respectively arranged with sealing mechanism, the top of described flexible bag body outside surface is connected by flexible cable with the top of described hollow grain storehouse intracoelomic cavity, and described flexible bag body is provided with flexible vacuum-pumping tube, this flexible vacuum-pumping tube inner end is communicated with described flexible bag body, its outer end is communicated with vaccum-pumping equipment.There is function singleness in this invention, can not detect the deficiency of grain memory space.
Summary of the invention
The present invention is that the metering process in order to overcome grain memory space metering method of the prior art is complicated, loaded down with trivial details, the deficiency of metering accuracy difference, provide a kind of variation that can detect grain memory space and each grain in real time, the monitoring method of the grain stock in barn that measuring accuracy is high.
To achieve these goals, the present invention is by the following technical solutions:
A monitoring method for grain stock in barn, described monitoring method is applicable to a kind of grain device for monitoring storage amount, and silo top is located at by described monitoring device, and described monitoring device is connected with computing machine; Described monitoring device comprises a motor, alarm and the dimensional turntable that is connected with motor of being located at silo top; The rotating shaft of described motor is connected with dimensional turntable; Described dimensional turntable bottom is provided with distance measuring sensor; Described computing machine is electrically connected with alarm, motor and distance measuring sensor respectively; Described dimensional turntable comprises left/right rotation moving axis and front and back rotation axis; It is characterized in that, comprise the steps:
(1-1) to hole capital after selling all securities time, enter after grain and after putting out cereal silo at every turn at every turn in grain upper surface scan:
Step 1, computing machine, according to the length of silo and width, presets the angular range that dimensional turntable is rotated, the scope of grain upper surface in the investigative range >=silo making distance measuring sensor; The line number p of distance measuring sensor scanning and often capable number of scan points k is set according to the angular range that dimensional turntable is rotated, the angle value m that setting left/right rotation moving axis rotates at every turn, the each angle of rotation angle value n of rotation axis before and after setting, the initial value of setting line number i is 1, and the initial value of setting columns j is 1;
Step 2, computing machine turns to the position of the analyzing spot of the i-th row jth row by Electric Machine Control dimensional turntable, computing machine controls distance measuring sensor to grain upper surface emission detection signal in silo, distance measuring sensor calculates the distance of grain upper surface in distance measuring sensor distance silo according to the reflected signal received, the angle that computing machine is launched according to signal and the distance recorded calculate, obtain the three-dimensional coordinate of the analyzing spot that the i-th row j arranges, and D coordinates value is stored in computing machine;
Step 3, computing machine is by Electric Machine Control dimensional turntable rotational angle m, computing machine controls distance measuring sensor to grain upper surface emission detection signal in silo, distance measuring sensor calculates the distance of grain upper surface in distance measuring sensor distance silo according to the reflected signal received, the angle that computing machine is launched according to signal and the distance recorded calculate, obtain the three-dimensional coordinate of the analyzing spot that the i-th row j+1 arranges, and coordinate figure is stored in computing machine;
Step 4, as j < k-1, makes j value increase by 1, repeats the process of step 3;
Step 5, as i < p, makes i value increase by 1, repeats the process of step 2 to step 4; Obtain the hole capital after selling all securities moment, enter moment after grain and the three-dimensional coordinate point set S in the granary storage face in moment after at every turn putting out cereal at every turn
k, k=1 ..., n; Wherein S
0for the three-dimensional coordinate point set in granary storage face during hole capital after selling all securities;
(1-2) software in computing machine builds the silo model corresponding with each moment respectively according to the three-dimensional coordinate point set in each moment; The grain upper surface that silo model is made up of silo bottom surface, three-dimensional coordinate point set and silo outer peripheral face surround; Silo model is divided into several cubes, calculates each cubical volume, each cubical volume is added, obtains the volume V of silo model
k1, k1=0 ..., n, wherein V
0for the volume of silo model during hole capital after selling all securities;
(1-3) formula is utilized | V
k1-V
0| calculate kth and enter grain or the food storage volume after putting out cereal for 1 time; Calculate kth according to the densitometer of grain and enter grain or the food storage mass M after putting out cereal for 1 time
k1, by M
k1be stored in computing machine.
The present invention can to hole capital after selling all securities time, enter after grain and after putting out cereal silo at every turn at every turn in grain upper surface scan; Obtain the hole capital after selling all securities moment respectively, enter moment after grain and the three-dimensional coordinate point set in the granary storage face in moment after at every turn putting out cereal at every turn; Software in computing machine builds the silo model corresponding with each moment respectively according to the three-dimensional coordinate point set in each moment; Calculate the volume V of silo model
i, utilize formula | V
k1-V
0| calculate and enter grain or the food storage volume after putting out cereal for i-th time, enter grain or the grain memory space after putting out cereal for i-th time, by M according to the density of grain and food storage volume computing
ibe stored in computing machine.
Further, the quality entered grain at every turn or put out cereal can also be measured; Calculate the difference into the grain memory space before and after the grain moment, namely obtain the grain quality that grain is entered in this time; Calculate the difference of the grain memory space before and after the moment of putting out cereal, namely obtain the grain quality that this time is put out cereal.Thus realize the real-time monitoring of silo, instant invention overcomes the complex operation of artificial Weighing or rod reading measurement, error is large, the shortcomings such as labor intensive.
Further, whether smooth all can the realization of the upper surface regardless of grain is detected, and overcomes the shortcoming that existing scale testing requirement grain face must be level.
As preferably, also comprise the steps: every certain time interval, once scanning is monitored to grain upper surface in silo, the step repeating described (1-1) to (1-3) calculates adjacent grain quality variable quantity of monitoring between the scanning moment, if adjacent monitoring there is no the dynamic operation of artificial variable grain between the scanning moment and grain quality rate of change more than 0.5%, then alarm equipment alarm.
Such as, every 8 hours, detect the storage quality of grain in silo, between the adjacent monitoring scanning moment, there is no the dynamic operation of artificial variable grain and grain quality rate of change more than 0.5% time, illustrate in silo and occurred that grain rots, mouse suffers from or the abnormal conditions such as infested, managerial personnel's manual intervention reminded by alarm.
As preferably, the angle value m in described step (1-1) is 0.05 degree to 0.2 degree.
As preferably, the angle value n in described step (1-1) is 0.05 degree to 0.2 degree.
As preferably, the rotational angle of described left/right rotation moving axis is-58 ° to 58 °.
As preferably, the rotational angle of front and back rotation axis is from-58 ° to 58 °.
Therefore, the present invention has following beneficial effect: (1) can Real-Time Monitoring grain memory space and enter grain at every turn, variable grain momentum when putting out cereal; (2) measuring accuracy is high; (3) can the abnormal conditions of grain in Timeliness coverage silo, loss is reduced to minimum; (4) observation process is easy, quick, reduces human cost.
Accompanying drawing explanation
Fig. 1 is a kind of test process schematic diagram of the present invention;
Fig. 2 is a kind of process flow diagram of embodiments of the invention 1;
Fig. 3 is a kind of theory diagram of monitoring device of the present invention;
Fig. 4 is a kind of structural representation of computing module of the present invention;
Fig. 5 is the another kind of structural representation of computing module of the present invention.
In figure: computing machine 1, motor 2, dimensional turntable 3, distance measuring sensor 4, left/right rotation moving axis 5, front and back rotation axis 6, alarm 7, monitoring device 8, silo model 9.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1
Embodiment is as shown in Figure 1 a kind of monitoring method of grain stock in barn, and described monitoring method is applicable to a kind of grain device for monitoring storage amount, and silo top is located at by described monitoring device 8, and monitoring device is connected with computing machine 1; Monitoring device comprises a motor 2, alarm 7 and the dimensional turntable 3 that is connected with motor of being located at silo top; The rotating shaft of motor is connected with dimensional turntable; Dimensional turntable bottom is provided with distance measuring sensor 4; Computing machine is electrically connected with alarm, motor and distance measuring sensor respectively; Dimensional turntable comprises left/right rotation moving axis 5 and front and back rotation axis 6; The rotational angle of left/right rotation moving axis is-58 ° to 58 °.Dimensional turntable bottom is provided with the dust cap for covering distance measuring sensor.
The rotational angle of left/right rotation moving axis is-58 ° to 58 °.The rotational angle of front and back rotation axis is-45 ° to 45 °.The length of silo is 8 meters, and width is 5 meters.
The monitoring method of grain stock in barn of the present invention comprises the steps:
As shown in Figure 2, step 100, to hole capital after selling all securities time, enter after grain and after putting out cereal silo at every turn at every turn in grain upper surface scan:
Step 101, the width of silo is 5 meters, and length is 8 meters; The rotational angle of front and back rotation axis is from-58 ° to 58 °.Distance measuring sensor is laser range sensor; The scope of grain upper surface in the investigative range > silo of distance measuring sensor; Setting distance measuring sensor scanning line number p be 900 and often go number of scan points k be 1160, the angle value m that setting left/right rotation moving axis rotates at every turn is 0.1 degree, before and after setting, each angle of rotation angle value n of rotation axis is 0.1 degree, and the initial value of setting line number i is 1, and the initial value of setting columns j is 1; The z-plane of three-dimensional system of coordinate overlaps with silo bottom surface;
Step 102, computing machine turns to the position of the analyzing spot of the i-th row jth row by Electric Machine Control dimensional turntable, computing machine controls distance measuring sensor to grain upper surface emission detection signal in silo, distance measuring sensor calculates the distance of grain upper surface in distance measuring sensor distance silo according to the reflected signal received, the angle that computing machine is launched according to signal and the distance recorded calculate, obtain the three-dimensional coordinate of the analyzing spot that the i-th row j arranges, and D coordinates value is stored in computing machine;
Step 103, computing machine is by Electric Machine Control dimensional turntable rotational angle m, computing machine controls distance measuring sensor to grain upper surface emission detection signal in silo, distance measuring sensor calculates the distance of grain upper surface in distance measuring sensor distance silo according to the reflected signal received, the angle that computing machine is launched according to signal and the distance recorded calculate, obtain the three-dimensional coordinate of the analyzing spot that the i-th row j+1 arranges, and coordinate figure is stored in computing machine;
Step 104, as j < 1159, makes j value increase by 1, repeats the process of step 3;
Step 105, as i < 900, makes i value increase by 1, repeats the process of step 102 to step 104; Obtain the hole capital after selling all securities moment, enter moment after grain and the three-dimensional coordinate point set S in the granary storage face in moment after at every turn putting out cereal at every turn
k, k=1 ..., n; Wherein S
0for the three-dimensional coordinate point set in granary storage face during hole capital after selling all securities;
Step 200, the software in computing machine builds the silo model 9 corresponding with each moment respectively according to the three-dimensional coordinate point set in each moment; Silo model is surrounded by the outer peripheral face of silo bottom surface, grain upper surface that three-dimensional coordinate point set is formed and silo; Silo model is divided into Cube computation module, calculates the volume of each Cube computation module, the volume of each Cube computation module is added, obtains the volume V of silo model
k1, k1=0 ..., n, wherein V
0for the volume of silo model during hole capital after selling all securities;
Under the calculation method of physical volume of silo model: as shown in Figure 1, silo model is divided into the individual Cube computation module as shown in Figure 5 of (i-1) × (j-1) by three-dimensional coordinate point, in the present embodiment, silo model is divided into 899 × 1159 Cube computation modules, the upper surface of each computing module is surrounded by 4 points, and the face that 4 points surround is approximated to plane.
As shown in Figure 4, A(x in figure
1, y
2, z
1), B(x
2, y
2, z
2), C(x
1, y
1, z
3), D(x
2, y
1, z
4) four consecutive point form the upper surface of computing module, with formula | x
1-x
2| × | y
1-y
2| calculate the area of the upper surface of Cube computation module;
Utilize the height z of formulae discovery computing module, utilize formulae discovery Cube computation module volume; 899 × 1159 Cube computation module volumes are added, obtain the volume of silo model;
Step 300, utilizes formula | V
k1-V
0| calculate kth time and enter grain or the food storage volume after putting out cereal; Calculate kth according to the densitometer of grain and enter grain or the food storage mass M after putting out cereal for 1 time
k1, by M
k1be stored in computing machine.
Embodiment 2
Embodiment 2 comprises structures all in embodiment 1 and step part, also comprises the steps:
Every 8 hours, once scanning is monitored to grain upper surface in silo, repeating said steps 100 to step 300 calculates the grain quality variable quantity between the adjacent monitoring scanning moment, if adjacent monitoring there is no the dynamic operation of artificial variable grain between the scanning moment and grain quality rate of change more than 0.5%, then alarm equipment alarm.
Such as: during 3 days 2 January, once monitor scanning, obtaining grain storage quality is 120000 kilograms; Once monitor scanning during 3 days 10 January, obtaining grain storage quality is 119200 kilograms; Calculating grain variable quantity is 800 kilograms, and variable grain rate is 0.67%; And on January 32 when 3 days 10 January between manually do not enter grain and operation of putting out cereal, then controller control alarm equipment alarm.Illustrate in silo and occurred that grain rots, mouse suffers from or the abnormal conditions such as infested, managerial personnel's manual intervention reminded by alarm.
Should be understood that the present embodiment is only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Claims (6)
1. a monitoring method for grain stock in barn, described monitoring method is applicable to a kind of grain device for monitoring storage amount, and silo top is located at by described monitoring device, and described monitoring device is connected with computing machine (1); Described monitoring device comprise be located at silo top a motor (2), alarm (7) and the dimensional turntable (3) that is connected with motor; The rotating shaft of described motor is connected with dimensional turntable; Described dimensional turntable bottom is provided with distance measuring sensor (4); Described computing machine is electrically connected with alarm, motor and distance measuring sensor respectively; Described dimensional turntable comprises left/right rotation moving axis (5) and front and back rotation axis (6); It is characterized in that, comprise the steps:
(1-1) to hole capital after selling all securities time, enter after grain and after putting out cereal silo at every turn at every turn in grain upper surface scan:
Step 1, computing machine, according to the length of silo and width, presets the angular range that dimensional turntable is rotated, the scope of grain upper surface in the investigative range >=silo making distance measuring sensor; The line number p of distance measuring sensor scanning and often capable number of scan points k is set according to the angular range that dimensional turntable is rotated, the angle value m that setting left/right rotation moving axis rotates at every turn, the each angle of rotation angle value n of rotation axis before and after setting, the initial value of setting line number i is 1, and the initial value of setting columns j is 1;
Step 2, computing machine turns to the position of the analyzing spot of the i-th row jth row by Electric Machine Control dimensional turntable, computing machine controls distance measuring sensor to grain upper surface emission detection signal in silo, distance measuring sensor calculates the distance of grain upper surface in distance measuring sensor distance silo according to the reflected signal received, the angle that computing machine is launched according to signal and the distance recorded calculate, obtain the three-dimensional coordinate of the analyzing spot that the i-th row j arranges, and D coordinates value is stored in computing machine;
Step 3, computing machine is by Electric Machine Control dimensional turntable rotational angle m, computing machine controls distance measuring sensor to grain upper surface emission detection signal in silo, distance measuring sensor calculates the distance of grain upper surface in distance measuring sensor distance silo according to the reflected signal received, the angle that computing machine is launched according to signal and the distance recorded calculate, obtain the three-dimensional coordinate of the analyzing spot that the i-th row j+1 arranges, and coordinate figure is stored in computing machine;
Step 4, as j < k-1, makes j value increase by 1, repeats the process of step 3;
Step 5, as i < p, makes i value increase by 1, repeats the process of step 2 to step 4; Obtain the hole capital after selling all securities moment, enter moment after grain and the three-dimensional coordinate point set S in the granary storage face in moment after at every turn putting out cereal at every turn
k, k=1 ..., n; Wherein S
0for the three-dimensional coordinate point set in granary storage face during hole capital after selling all securities;
(1-2) software in computing machine builds the silo model corresponding with each moment respectively according to the three-dimensional coordinate point set in each moment; The grain upper surface that silo model is made up of silo bottom surface, three-dimensional coordinate point set and silo outer peripheral face surround; Silo model is divided into several cubes, calculates each cubical volume, each cubical volume is added, obtains the volume V of silo model
k1, k1=0 ..., n, wherein V
0for the volume of silo model during hole capital after selling all securities;
(1-3) formula is utilized | V
k1-V
0| calculate kth and enter grain or the food storage volume after putting out cereal for 1 time; Calculate kth according to the densitometer of grain and enter grain or the food storage mass M after putting out cereal for 1 time
k1, by M
k1be stored in computing machine.
2. the monitoring method of grain stock in barn according to claim 1, it is characterized in that, also comprise the steps: every certain time interval, once scanning is monitored to grain upper surface in silo, the step repeating described (1-1) to (1-3) calculates adjacent grain quality variable quantity of monitoring between the scanning moment, if adjacent monitoring there is no the dynamic operation of artificial variable grain between the scanning moment and grain quality rate of change more than 0.5%, then alarm equipment alarm.
3. the monitoring method of grain stock in barn according to claim 1, is characterized in that, the angle value m in described step (1-1) is 0.05 degree to 0.2 degree.
4. the monitoring method of grain stock in barn according to claim 1, is characterized in that, the angle value n in described step (1-1) is 0.05 degree to 0.2 degree.
5. the monitoring method of grain stock in barn according to claim 1, is characterized in that, the rotational angle of described left/right rotation moving axis is-58 ° to 58 °.
6. the monitoring method of the grain stock in barn according to claim 1 or 2 or 3 or 4 or 5, is characterized in that, the rotational angle of front and back rotation axis is from-58 ° to 58 °.
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| CN106153165A (en) * | 2015-04-24 | 2016-11-23 | 周清云 | The Weighing method of silo material, system and device |
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Address after: 311258 No. 1398, Wenbin Road, Wenyan street, Xiaoshan District, Hangzhou, Zhejiang. Patentee after: First facing the three dimensional Polytron Technologies Inc Address before: 311215 21 building, block A, Huarui center, 66 Xiaoshan Road, Hangzhou, Zhejiang. Patentee before: Hangzhou Shining 3D Technology Co., Ltd. |