CN103091166B - Method, device and system for determining compressive strength of coated seed - Google Patents
Method, device and system for determining compressive strength of coated seed Download PDFInfo
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- CN103091166B CN103091166B CN201310020254.5A CN201310020254A CN103091166B CN 103091166 B CN103091166 B CN 103091166B CN 201310020254 A CN201310020254 A CN 201310020254A CN 103091166 B CN103091166 B CN 103091166B
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Abstract
The invention provides a method, a device and a system for determining compressive strength of a coated seed. The method comprises the following steps of: acquiring the real-time pressure applied on a coated seed; monitoring the change of the real-time pressure, so as to obtain the reduction difference of the real-time pressure; and calculating the compressive strength value of the coated seed according to the real-time pressure reduction difference. With the method, the device and the system for determining the compressive strength of the coated seed, the problems of poor accuracy and low automation degree in the detection on the compressive strength of the coated seed are solved, the detection accuracy is improved, the detection efficiency is improved, the operation is simple and convenient, and the required human input is small.
Description
Technical field
The present invention relates to capsuled seed detection technique, relate in particular to a kind of method, Apparatus and system of capsuled seed compressive strength determination.
Background technology
Capsuled seed is the seed that seed obtains through pill technical finesse.Seed-pelleting technology can be by the seed of small-sized seed or surface imperfection; by pellet processing machine, auxiliary agent and powdery inert substance are wrapped in to the surface of the seed; on the basis of biological characteristics that does not change former seed; increase quality and the volume of seed, form there is a certain size, some strength, ganoid spherical or torispherical particle.Capsuled seed not only can make Mechanization sowing be achieved, and can improve sowing evenly, realizes Precise sowing and improves the germination percentage of seed and the regularity of emerging, and also has advantages of that province's kind, saving of labor, province's fertilizer, province's medicine, volume increase, joint prop up.
In the links such as storage, carrying and operation; owing to being collided, pushing and the effect such as friction; pillization is incomplete, cracking very easily occurs the ropy capsuled seed of pillization or fragmentation, and therefore, compressive strength is one of important indicator in capsuled seed quality inspection.At present, also there is no the assay method of feasible, accurate and robotization for the compressive strength of capsuled seed, the method generally adopting is, the batch to be tested capsuled seed with setting grain number is positioned between two transparency glass plates, in upper glass plate, add counterweight, in the mode of manual observation, observe cracking opportunity of capsuled seed, and added counterweight calculates the compression strength value of this batch of capsuled seed during according to cracking.
Obviously, existing capsuled seed compressive strength determination method, detection efficiency and precision are lower, and labor intensive, therefore, in the urgent need to a kind of method that can accurately, automatically measure capsuled seed compressive strength is provided.
Summary of the invention
The invention provides a kind of method, Apparatus and system of capsuled seed compressive strength determination, to solve the technical matters that in prior art, capsuled seed compressive strength determination efficiency is low and degree of accuracy is low.
For achieving the above object, the invention provides a kind of method of capsuled seed compressive strength determination, comprising:
Gather the real-time pressure that capsuled seed bears;
Monitor described real-time pressure and change, obtain real-time pressure and reduce difference;
Reduce difference according to described real-time pressure, calculate the compression strength value of described capsuled seed.
The present invention also provides a kind of device of capsuled seed compressive strength determination, comprising:
Pressure acquisition module, the real-time pressure bearing for gathering capsuled seed;
Identification module, changes for monitoring described real-time pressure, obtains real-time pressure and reduces difference;
Computing module, for reducing difference according to described real-time pressure, calculates the compression strength value of described capsuled seed.
In addition, the present invention also provides a kind of system of capsuled seed compressive strength determination, comprises determination experiment platform and controller, and wherein, described controller comprises the device of capsuled seed compressive strength determination provided by the present invention; Described determination test platform comprises support unit, test cell, mobile unit and the unit of exerting pressure;
Described support unit comprises base, riser and adjutage, and described riser is arranged on described base sidepiece, and described adjutage one end is connected with described riser upper end, and described adjutage is laterally suspended from described base top;
Described test cell comprises blowing ware, test board and pressure transducer, described blowing ware is arranged on described test board, in order to place tested capsuled seed, described pressure transducer is fixedly installed between described test board and described base, and the pressure information of collection is sent to described controller by described pressure transducer;
Described mobile unit comprises slide rail fixed head, slide rail and mobile platform, and described slide rail fixed head is fixedly connected with described adjutage, and described slide rail is arranged on described slide rail fixed head and perpendicular to described test board, and described mobile platform is slidably installed on described slide rail;
The described unit of exerting pressure comprises compression arm and the platform of exerting pressure, described compression arm is fixed on described mobile platform, the described platform of exerting pressure is fixedly connected with described compression arm lower end, be arranged at described blowing ware directly over, the described unit of exerting pressure is with moving under described mobile platform in the vertical direction, with the capsuled seed continu to press in described blowing ware.
The method of capsuled seed compressive strength determination provided by the invention, Apparatus and system, solve the low and robotization low problem of degree of accuracy that capsuled seed compressive strength detects, not only improved accuracy of detection, promoted detection efficiency, and easy and simple to handle, reduce human input.
Brief description of the drawings
The process flow diagram of the method for the capsuled seed compressive strength determination that Fig. 1 provides for the embodiment of the present invention;
The process flow diagram of step 102 in the method for the capsuled seed compressive strength determination that Fig. 2 provides for the embodiment of the present invention;
The process flow diagram of step 103 in the method for the capsuled seed compressive strength determination that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the device of the compressive strength determination that Fig. 4 provides for the embodiment of the present invention;
The front view of the system of the capsuled seed compressive strength determination that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is the left view of the system of capsuled seed compressive strength determination shown in Fig. 5;
Fig. 7 is the vertical view of the system of capsuled seed compressive strength determination shown in Fig. 5.
Reference numeral:
1-base; 2-pressure transducer; 3-test board;
4-blowing ware; 5-Fibre Optical Sensor fixed block; 6-Fibre Optical Sensor;
The 7-platform of exerting pressure; 8-compression arm; 9-mobile platform;
10-slide rail; 11-motor; 12-serial ports;
13-motor fixing plate; 14-slide rail fixed head; 15-upper limit position switch;
16-triggering block; 17-lower position switch; 18-adjutage;
19-riser; 20-shaft coupling; 21-screw mandrel;
22-screw mandrel fixed block; 23-bolt.
Embodiment
The process flow diagram of the method for the capsuled seed compressive strength determination that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the method for the present embodiment comprises:
The real-time pressure that step 101, collection capsuled seed bear.
Concrete, the pressure that capsuled seed bears is the pressure that multiple tested steamed stuffed bun seeds bear after evenly exerting pressure, the real-time pressure that the capsuled seed gathering bears can be by pressure transducer Real-time Collection, carries out the digital signal obtaining after the processing such as analog to digital conversion, filtering and amplification through signal condition module.
Step 102, monitor described real-time pressure and change, obtain real-time pressure and reduce difference.
Concrete, when the real-time pressure gathering in step 101 occurs to reduce, calculate in real time real-time pressure and reduce difference.In mensuration process, capsuled seed bears continuous pressure, the variation of real-time pressure has reflected the variation of capsuled seed dressing state, if significantly reducing appears in real-time pressure, the dressing cracking of capsuled seed is described, therefore, can change by monitoring real-time pressure, reduce difference as the foundation of calculating compressive strength using the real-time pressure obtaining.
Step 103, reduce difference according to described real-time pressure, calculate the compression strength value of described capsuled seed.
Reducing difference by the real-time pressure to obtaining in step 102 compares, judge capsuled seed to reach its maximum pressure can bear and the moment of ftractureing occurs, real-time pressure reduction difference to the capsuled seed cracking moment is calculated, thereby obtains the compression strength value of capsuled seed.
The method of the capsuled seed compressive strength determination of the present embodiment, monitor by the real-time pressure that collection capsuled seed is born, obtain real-time pressure and reduce difference, calculate the compression strength value of capsuled seed, can significantly improve efficiency and the precision of capsuled seed compressive strength index determining, reduce human input.
Further, the process flow diagram of step 102 in the method for the capsuled seed compressive strength determination that Fig. 2 provides for the embodiment of the present invention, as shown in Figure 2, the step 102 of the method for the capsuled seed compressive strength determination of the present embodiment specifically comprises:
Step 102a, comparison current time force value and previous moment force value, in the time that described current time force value is less than described last collection moment force value, setting described previous moment force value is pressure decreased initial value.
Particularly, the pressure signal gathering by sensor is converted into real-time force value, in real time current time force value and previous moment force value are compared, if when current time force value is less than a collection moment force value, illustrate that force value reduces, the dressing of capsuled seed likely breaks, and now, setting described previous moment force value is pressure decreased initial value.
Step 102b, according to pressure decreased initial value, calculate described real-time pressure and reduce difference.
Using moment of pressure decreased initial value as initial time, the force value gathering after pressure decreased initial value is deducted chronologically obtains real-time pressure and reduces difference.
Further, the process flow diagram of step 103 in the method for the capsuled seed compressive strength determination that Fig. 3 provides for the embodiment of the present invention, as shown in Figure 3, the step 103 of the method for the capsuled seed compressive strength determination of the present embodiment specifically comprises:
Step 103a, more described real-time pressure reduces difference and demarcates threshold value in real time, and setting the pressure decreased initial value that the real-time pressure that exceeds described demarcation threshold value reduces difference is pressure threshold.
In the time that reducing appears in the force value gathering, there is variation in the dressing that capsuled seed is described, but can not illustrate that capsuled seed reaches the maximum pressure that it can bear, ftracture, only have when real-time pressure reduction difference exceeds demarcation threshold value and could judge capsuled seed cracking, therefore, the real-time pressure reduction difference and the pressure threshold that in step 102, obtain are chronologically compared one by one, in the time that real-time pressure reduction difference exceeds demarcation threshold value, can judge capsuled seed cracking, the pressure decreased initial value of setting this real-time pressure reduction difference is pressure threshold.
Step 103b, by described pressure threshold divided by the total grain of described capsuled seed number, obtain the compression strength value of described capsuled seed.
Because tested capsuled seed is subject to equal pressure, therefore, the pressure threshold that step 103a is obtained, divided by the total grain of tested capsuled seed number, obtains the compression strength value of capsuled seed.
The method of the capsuled seed compressive strength determination providing based on above-described embodiment, the present invention also provides a kind of device of capsuled seed compressive strength determination, the structural representation of the device of the capsuled seed compressive strength determination that Fig. 4 provides for the embodiment of the present invention, as shown in Figure 4, the device of the present embodiment comprises pressure acquisition module 51, identification module 52 and computing module 53.
Wherein, pressure acquisition module 51, the real-time pressure bearing for gathering capsuled seed; Identification module 52, is connected with pressure acquisition module 51, changes for monitoring described real-time pressure, obtains real-time pressure and reduces difference; Computing module 53, is connected with identification module 52, for reducing difference according to described real-time pressure, calculates the compression strength value of described capsuled seed.
Each functional module of the device of the present embodiment can be used for carrying out the flow process as shown in Figure 1 that said method embodiment provides, and its specific works principle repeats no more, and refers to the description of said method embodiment.
The device of the present embodiment, monitor by the real-time pressure that collection capsuled seed is born, obtain real-time pressure and reduce difference, calculate the compression strength value of capsuled seed, precision and the automatic assay of having realized capsuled seed compressive strength, not only improved accuracy of detection, promoted detection efficiency, and easy and simple to handle, liberate manpower.
Further, the identification module 52 of the present embodiment is specifically for comparing current time force value and previous moment force value, and in the time that described current time force value is less than described last collection moment force value, setting described previous moment force value is pressure decreased initial value; According to pressure decreased initial value, calculate described real-time pressure and reduce difference.
Identification module 52 is for the embodiment of the step 102 carrying out said method embodiment and provide, and its specific works principle repeats no more, and refers to the description of said method embodiment.
Further, the computing module 53 of the present embodiment reduces difference and demarcates threshold value specifically for more described real-time pressure in real time, and setting the pressure decreased initial value that the real-time pressure that exceeds described demarcation threshold value reduces difference is pressure threshold; Divided by the total grain of described capsuled seed number, obtain the compression strength value of described capsuled seed by described pressure threshold.
The functional unit of computing module 53 can be used for carrying out the flow process of the embodiment of the step 103 that said method embodiment provides, and its specific works principle repeats no more, and refers to the description of said method embodiment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can complete by the relevant hardware of programmed instruction, aforesaid program can be stored in a computer read/write memory medium, this program, in the time carrying out, is carried out the step that comprises said method embodiment; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
The device of the capsuled seed compressive strength determination providing based on above-described embodiment, the present invention also provides a kind of system of capsuled seed compressive strength determination.The front view of the system of the capsuled seed compressive strength determination that Fig. 5 provides for the embodiment of the present invention; Fig. 6 is the left view of the system of capsuled seed compressive strength determination shown in Fig. 5; Fig. 7 is the vertical view of the system of capsuled seed compressive strength determination shown in Fig. 5.Shown in Fig. 5, Fig. 6, Fig. 7, the system of the present embodiment comprises determination test platform and controller, and wherein, controller comprises the device of the capsuled seed compressive strength determination that any embodiment of the present invention provides.Determination experiment platform comprises support unit, test cell, mobile unit and the unit of exerting pressure.
Support unit comprises base 1, riser 19 and adjutage 18, and riser 19 is arranged on base 1 sidepiece, and adjutage 18 one end are connected with riser 19 upper ends, and adjutage is laterally suspended from base 1 top.
Test cell comprises blowing ware 4, test board 3 and pressure transducer 2, on test board 3, can be provided with the groove of equilateral triangle, in blowing ware 4, be placed with tested capsuled seed, blowing ware 4 can be equilateral triangle shape, blowing ware 4 matches with the equilateral triangle connected in star of test board 3 and is arranged on test board 3, can be for the capsuled seed of different-grain diameter size, change the blowing ware 4 supporting with test board 3, pressure transducer 2 is fixedly installed between test board 3 and base 1, and the pressure information of collection is sent to controller by pressure transducer 2.
Mobile unit comprises slide rail fixed head 14, slide rail 10 and mobile platform 9, slide rail fixed head 14 is fixedly connected with adjutage 18, slide rail 10 is arranged on slide rail fixed head 14 and perpendicular to test board 3, and mobile platform 9 is slidably installed on slide rail 10, and slide rail 10 is connected with mobile platform 9 is nested.
Exerting pressure, unit comprises compression arm 8 and the platform 7 of exerting pressure, compression arm 8 is fixed on mobile platform 9, the platform 7 of exerting pressure is fixedly connected with compression arm 8 lower ends, be arranged at blowing ware 4 directly over, exert pressure unit with moving under mobile platform 9 in the vertical directions, with the capsuled seed continu to press in blowing ware 4, the capsuled seed in blowing ware 4 has all born the pressure being equal to.
Between pressure transducer 2 and controller, can also be connected with signal condition module, the pressure that the tested capsuled seed of pressure transducer 2 Real-time Collections bears, controller receives the pressure information after analog to digital conversion, obtains the pressure intensity value of tested capsuled seed after the processing of pressure information via controller, comparison and calculating.
The system of the capsuled seed compressive strength determination that the present embodiment provides, is achieved the precision of capsuled seed compressive strength and automatic assay, has not only improved accuracy of detection, has promoted detection efficiency, and easy and simple to handle, has liberated manpower.
Further, mobile unit also comprises motor 11 and screw mandrel 21, screw mandrel 21 one end are connected with motor 11 output shafts, the nut of screw mandrel 21 is arranged on mobile platform 9, motor 11 drives leading screw 21 to rotate for receiving the control signal of controller transmission, drives described mobile platform 9 to move on slide rail 10 by nut.Particularly, preferably stepper motor of motor 11, screw mandrel 21 upper ends can be connected with motor 11 output shafts by shaft coupling 20, two screw mandrel fixed blocks 22 can be fixedly installed on slide rail fixed head 15, leading screw fixed block 22 inside are provided with bearing, screw mandrel 21 upper/lower terminals respectively with two screw mandrel fixed blocks 22 in bearing fit, the nut of screw mandrel 21 is fixedly connected with mobile platform 9, motor 11 drives leading screw 21 to rotate, and drives mobile platform 9 to move on slide rail 10 by the nut of leading screw 21.In addition, motor 11 is not limited to stepper motor, also can select the motor of energy linear movement output.
The motor driver of motor 11 is connected with controller by serial ports 12, the motor control signal sending for receiving controller, and to drive, mobile platform 9 moves along slide rail 11, and then realizes and exert pressure platform 7 to the capsuled seed continu to press in blowing ware 4.
Further, the unit of exerting pressure also comprises Fibre Optical Sensor 6, Fibre Optical Sensor 6 is symmetrically fixed on by two Fibre Optical Sensor fixed blocks 5 platform 7 both side ends of exerting pressure, Fibre Optical Sensor 6 senses after capsuled seed, controller receives the trigger pip after signal condition resume module, so that controller control motor 11 slows down.
Control motor 11 with speed rotation slowly by Fibre Optical Sensor 6, ensure to exert pressure the tested capsuled seed of platform 7 flexible contacts, make tested capsuled seed obtain more uniform course of exerting pressure.
Further again, in blowing ware 4, be evenly distributed with multiple for placing the depression of capsuled seed.Preferably, blowing ware is respectively provided with a flat bottomed recess on 4 three angles, and three flat bottomed recess lines are equilateral triangle, according to 3 one side principles, can uniform stressed so that be put in three capsuled seeds in flat bottomed recess, can be for the capsuled seed of different-grain diameter size, make the blowing ware 4 of different big or small flat bottomed recess.
In addition, determination test platform also can comprise position-limiting unit, be used for controlling mobile platform 9 strokes, position-limiting unit comprises upper limit position switch 15, triggering block 16 and lower position switch 17, wherein, upper limit position switch 15 and lower position switch 17 are disposed on slide rail fixed head 14 sides up and down, and triggering block 16 is arranged on mobile platform 9 sides and between upper limit position switch 15 and lower position switch 17.
Upper limit position switch 15 is connected with controller by serial ports 12 with lower position switch 17; triggering block 16 is for responding to upper limit position switch 15 or lower position switch 17; controller receives trigger pip; stop mobile to control mobile platform 9; prevent that motor 11 from transshipping, protection motor 11 is worked within the scope of safety moving.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a method for capsuled seed compressive strength determination, is characterized in that, comprising:
Gather the real-time pressure that capsuled seed bears;
Monitor described real-time pressure and change, obtain real-time pressure and reduce difference;
Reduce difference according to described real-time pressure, calculate the compression strength value of described capsuled seed;
The described real-time pressure of described monitoring changes, and obtains real-time pressure reduction difference and comprises:
Relatively current time force value and previous moment force value, in the time that described current time force value is less than described last collection moment force value, setting described previous moment force value is pressure decreased initial value;
According to pressure decreased initial value, calculate described real-time pressure and reduce difference;
Reduce difference according to described real-time pressure, the compression strength value that calculates described capsuled seed comprises:
More described real-time pressure reduces difference and demarcates threshold value in real time, and the pressure decreased initial value of setting the real-time pressure reduction difference that exceeds described demarcation threshold value is pressure threshold;
Divided by the total grain of described capsuled seed number, obtain the compression strength value of described capsuled seed by described pressure threshold.
2. a device for capsuled seed compressive strength determination, is characterized in that, comprising:
Pressure acquisition module, the real-time pressure bearing for gathering capsuled seed;
Identification module, changes for monitoring described real-time pressure, obtains real-time pressure and reduces difference;
Computing module, for reducing difference according to described real-time pressure, calculates the compression strength value of described capsuled seed;
Described identification module specifically for:
Relatively current time force value and previous moment force value, in the time that described current time force value is less than described last collection moment force value, setting described previous moment force value is pressure decreased initial value;
According to pressure decreased initial value, calculate described real-time pressure and reduce difference;
Described computing module specifically for: more described real-time pressure reduces difference and demarcates threshold value in real time, and setting the pressure decreased initial value that the real-time pressure that exceeds described demarcation threshold value reduces difference is pressure threshold;
Divided by the total grain of described capsuled seed number, obtain the compression strength value of described capsuled seed by described pressure threshold.
3. a system for capsuled seed compressive strength determination, is characterized in that, comprises determination experiment platform and controller, and described controller comprises the device of capsuled seed compressive strength determination claimed in claim 2; Described determination test platform comprises support unit, test cell, mobile unit and the unit of exerting pressure;
Described support unit comprises base, riser and adjutage, and described riser is arranged on described base sidepiece, and described adjutage one end is connected with described riser upper end, and described adjutage is laterally suspended from described base top;
Described test cell comprises blowing ware, test board and pressure transducer, described blowing ware is arranged on described test board, in order to place tested capsuled seed, described pressure transducer is fixedly installed between described test board and described base, and the pressure information of collection is sent to described controller by described pressure transducer;
Described mobile unit comprises slide rail fixed head, slide rail and mobile platform, and described slide rail fixed head is fixedly connected with described adjutage, and described slide rail is arranged on described slide rail fixed head and perpendicular to described test board, and described mobile platform is slidably installed on described slide rail;
The described unit of exerting pressure comprises compression arm and the platform of exerting pressure, described compression arm is fixed on described mobile platform, the described platform of exerting pressure is fixedly connected with described compression arm lower end, be arranged at described blowing ware directly over, the described unit of exerting pressure is with moving under described mobile platform in the vertical direction, with the capsuled seed continu to press in described blowing ware.
4. the system of capsuled seed compressive strength determination according to claim 3, it is characterized in that, described mobile unit also comprises motor and screw mandrel, described screw mandrel one end is connected with described motor output shaft, the nut of described screw mandrel is arranged on described mobile platform, the control signal driving leading screw rotation that described motor sends for receiving described controller, drives described mobile platform to move on described slide rail by described nut.
5. the system of capsuled seed compressive strength determination according to claim 4, it is characterized in that, the described unit of exerting pressure also comprises Fibre Optical Sensor, described Fibre Optical Sensor is fixedly installed on the platform both side ends of exerting pressure, described Fibre Optical Sensor sends trigger pip to described controller after sensing described capsuled seed, so that decelerating through motor described in described controller control.
6. according to the system of the arbitrary described capsuled seed compressive strength determination of claim 3～5, it is characterized in that, in described blowing ware, be evenly distributed with multiple for placing the depression of described capsuled seed.
7. according to the system of the arbitrary described capsuled seed quality determination of claim 3～5, it is characterized in that, also comprise the position-limiting unit for controlling described mobile platform stroke;
Described position-limiting unit comprises upper limit position switch, triggering block and lower position switch; Described upper limit position switch and lower position switch are disposed on described slide rail fixed head side up and down, and described triggering block is arranged on described mobile platform side and between described upper limit position switch and lower position switch;
Described triggering block is used for responding to described upper limit position switch or lower position switch, and sends trigger pip to described controller, stops mobile to control described mobile platform.
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| CN201310020254.5A CN103091166B (en) | 2013-01-18 | 2013-01-18 | Method, device and system for determining compressive strength of coated seed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105067430A (en) * | 2015-07-14 | 2015-11-18 | 安徽海澄德畅电子科技有限公司 | Automatic testing device for pressure resistance of material |
| CN109142046B (en) * | 2017-06-16 | 2021-05-18 | 武汉理工大学 | Hydrogel particle strength measuring device and method |
| CN111458228A (en) * | 2020-03-31 | 2020-07-28 | 云南省烟草质量监督检测站 | Automatic measuring device for single-grain compressive strength conformity of tobacco coated and pelleted seeds |
| CN114544439A (en) * | 2022-02-16 | 2022-05-27 | 安徽省金皇种业有限公司 | Coated seed quality determination method |
| CN115266374B (en) * | 2022-07-14 | 2023-09-19 | 青岛神盾防水科技有限公司 | High-density polyethylene double-wall corrugated pipe performance detection device and detection method thereof |
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