CN210427431U - Single-plate impulse type grain quality measuring system of combined harvester - Google Patents

Single-plate impulse type grain quality measuring system of combined harvester Download PDF

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Publication number
CN210427431U
CN210427431U CN201920527987.0U CN201920527987U CN210427431U CN 210427431 U CN210427431 U CN 210427431U CN 201920527987 U CN201920527987 U CN 201920527987U CN 210427431 U CN210427431 U CN 210427431U
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plate
impulse
box body
impulse plate
angle adjusting
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CN201920527987.0U
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王润涛
李明
王树文
刘瑶
姜微
李杞超
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Lingnan Normal University
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Lingnan Normal University
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Abstract

The utility model provides a single-plate impulse type grain quality measuring system of a combine harvester, which comprises a grain moisture measuring device, an impulse plate angle adjusting device, an impulse plate information collecting device, a box body, an impulse plate and a collecting circuit; the grain moisture measuring device is fixedly connected with the box body; the impulse plate angle adjusting device is connected with the box body; the impulse plate is arranged in the box body through an impulse plate angle adjusting device; the impulse plate information acquisition device is arranged on the impulse plate; the grain moisture measuring device and the impulse plate information acquisition device are electrically connected with the input end of the acquisition circuit. The utility model provides a pair of combine's veneer impulse formula cereal quality measurement system, through three-dimensional angle and the three-dimensional vibration information that acquires survey impulse board, reduce combine's vibration and the measuring error that the field slope brought, simultaneous measurement crop moisture information, the output information of accurate measurement results ground effectively improves and surveys the production precision.

Description

Single-plate impulse type grain quality measuring system of combined harvester
Technical Field
The utility model relates to an agricultural automation equipment technical field, more specifically relates to a veneer impulse formula cereal quality measurement system of combine.
Background
The precision agriculture optimizes the management of a production system on a proper scale according to crop parameters and knowledge, controls different input levels according to the potential production capacity of a specific plot crop, and particularly takes the crop yield as the parameter of fertilizer input in the next field production. The field operation is complicated, and the measurement noise caused by signal zero drift and harvesting machine vibration caused by the gradient has obvious influence on the yield measurement precision of the impulse method. Although the existing double-plate differential impulse type measurement has a certain inhibiting effect on the zero drift of the output signal of the measurement through a complementary structure of hardware, the dynamic response and the application range are still insufficient. Mechanical damping vibration attenuation and one-dimensional digital filtering of a yield measurement signal have a certain elimination effect on measurement noise caused by mechanical vibration, but the influence of horizontal and lateral component forces on yield measurement is not considered, so that the improvement of the yield measurement precision of a complex environment impulse method is limited. Therefore, by acquiring the three-dimensional angle and the three-dimensional vibration information of the yield measurement impulse plate, the measurement error caused by the vibration and the field gradient of the combined harvesting machine is reduced, and the method has great significance for improving the yield measurement precision.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned current cereal material measuring device and receive combine's vibration and the influence of field slope in the use, have the technical defect that measurement accuracy is low, provide a combine's veneer impulse formula cereal quality measurement system.
In order to solve the technical problem, the technical scheme of the utility model as follows:
a single-plate impulse type grain quality measuring system of a combine harvester comprises a grain moisture measuring device, an impulse plate angle adjusting device, an impulse plate information collecting device, a box body, an impulse plate and a collecting circuit; wherein:
the grain moisture measuring device is fixedly connected with the box body;
the impulse plate angle adjusting device is connected with the box body;
the impulse plate is arranged in the box body through the impulse plate angle adjusting device;
the impulse plate information acquisition device is arranged on the impulse plate;
the grain moisture measuring device and the impulse plate information acquisition device are electrically connected with the input end of the acquisition circuit.
The grain moisture measuring device comprises a hopper, a temperature sensor, a positive capacitance plate and a negative capacitance plate; wherein:
the hopper is fixedly connected with the box body;
the temperature sensor, the positive capacitor plate and the negative capacitor plate are all arranged on the inner wall of the hopper and are electrically connected with the input end of the acquisition circuit through wires.
In the scheme, the grain moisture measuring device acquires grain moisture information on line through the change of capacitance values of the positive capacitance plate and the negative capacitance plate, the ambient temperature is measured in real time through the temperature sensor, and the acquisition circuit performs temperature compensation on a capacitance measurement value according to the measured temperature, so that the moisture detection precision is improved; the positive capacitor plate and the negative capacitor plate are arc-shaped structures, so that the sensitivity of capacitance value change caused by moisture change detection is increased; the hopper is the loudspeaker opening for the wide-mouth is collected the cereal of sending and is made the cereal gathering pass through electric capacity positive plate, electric capacity negative plate increase cereal moisture detection's sensitivity.
Wherein, the box is four sides semi-enclosed construction, wherein:
the upper end surface of the box body is fixedly connected with the grain moisture measuring device;
the upper edge and the lower edge of the side surface of the box body are provided with threaded openings, and the impulse plate angle adjusting device is connected with the box body through the threaded openings;
the impulse plate angle adjusting device penetrates the impulse plate from the side face of the box body, and the impulse plate is arranged in the box body.
The device for adjusting the angle of the impulse plate comprises a horizontal adjusting rod, a vertical adjusting rod and a connecting rod; wherein:
a plurality of threaded openings are formed in the upper end face and the lower end face of the connecting rod, and connecting holes are formed in the two ends of the horizontal adjusting rod and the vertical adjusting rod;
one end of the horizontal adjusting rod is connected with a threaded opening at the upper edge of the side surface of the box body through a screw, and the other end of the horizontal adjusting rod is connected with a threaded opening at the upper end surface of the connecting rod through a screw;
one end of the vertical adjusting rod is connected with a threaded opening at the lower edge of the side surface of the box body through a screw, and the other end of the vertical adjusting rod is connected with a threaded opening at the lower end surface of the connecting rod through a screw;
the impulse plate is connected with the connecting rod through a screw.
In the scheme, the number of the horizontal adjusting rods is 2, the number of the vertical adjusting rods is 1, and the horizontal adjusting rods and the vertical adjusting rods are screw rod adjusting rods; the impulse plate angle adjusting device changes the grain impact angle by adjusting a horizontal adjusting rod and a vertical adjusting rod which are connected with a connecting rod.
The connecting rod is provided with a pressure sensor, and the pressure sensor is electrically connected with the input end of the acquisition circuit through a wire.
In the above scheme, the pressure sensor is a resistance strain type pressure sensor and is used for detecting a pressure signal of the momentum plate connected with the connecting rod when the momentum plate is impacted by grains.
Wherein, the impact plate includes plate body and coupling mechanism, wherein:
the plate body is fixedly connected with the connecting mechanism;
the connecting mechanism is connected with a threaded opening on the upper end face of the connecting rod through a screw.
The impulse plate information acquisition device comprises an angular velocity sensor and an acceleration sensor, wherein the angular velocity sensor and the acceleration sensor are arranged on the plate body and are electrically connected with the input end of the acquisition circuit through wires.
The angular velocity sensor and the acceleration sensor are both digital mems sensors.
In the scheme, the angle and vibration information of the grain during impact are acquired in real time through the three-axis angular velocity sensor and the acceleration sensor of the impulse plate information acquisition device.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:
the utility model provides a pair of combine's veneer impulse formula cereal quality measurement system, through three-dimensional angle and the three-dimensional vibration information that acquires survey impulse board, reduce combine's vibration and the measuring error that the field slope brought, simultaneous measurement crop moisture information, the output information of accurate measurement results ground effectively improves and surveys the production precision.
Drawings
FIG. 1 is a schematic diagram of the structural connection of the system;
FIG. 2 is a schematic view of a grain moisture measuring device;
FIG. 3 is a schematic view of an angle adjustment device of the momentum plate;
FIG. 4 is a schematic structural view of an impulse plate information acquisition device;
wherein: 1. a grain moisture measuring device; 11. a hopper; 12. a temperature sensor; 13. a positive capacitor plate; 14. a negative plate of a capacitor; 2. an impulse plate angle adjusting device; 21. a horizontal adjusting rod; 22. a vertical adjusting rod; 23. a connecting rod; 3. impulse plate information acquisition means; 31. an angular velocity sensor; 32. an acceleration sensor; 4. a box body; 5. a shock plate; 51. a plate body; 52. a connecting mechanism; 6. and an acquisition circuit.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, a single-plate impulse type grain quality measuring system of a combine harvester comprises a grain moisture measuring device 1, an impulse plate angle adjusting device 2, an impulse plate information collecting device 3, a box body 4, an impulse plate 5 and a collecting circuit 6; wherein:
the grain moisture measuring device 1 is fixedly connected with the box body 4;
the impulse plate angle adjusting device 2 is connected with the box body 4;
the impulse plate 5 is arranged in the box body 4 through the impulse plate angle adjusting device 2;
the impulse plate information acquisition device 3 is arranged on the impulse plate 5;
the grain moisture measuring device 1 and the impulse plate information acquisition device 3 are electrically connected with the input end of the acquisition circuit 6.
More specifically, as shown in fig. 2, the grain moisture measuring apparatus 1 includes a hopper 11, a temperature sensor 12, a positive capacitance plate 13, and a negative capacitance plate 14; wherein:
the hopper 11 is fixedly connected with the box body 4;
the temperature sensor 12, the positive capacitance plate 13 and the negative capacitance plate 14 are all arranged on the inner wall of the hopper 11 and are electrically connected with the input end of the acquisition circuit 6 through leads.
In the specific implementation process, the grain moisture measuring device 1 acquires grain moisture information on line through the change of capacitance values of the positive capacitance plate 13 and the negative capacitance plate 14, measures the ambient temperature in real time through the temperature sensor 12, and the acquisition circuit 6 performs temperature compensation on a capacitance measurement value according to the measured temperature, so that the moisture detection precision is improved; the positive capacitor plate 13 and the negative capacitor plate 14 are arc-shaped structures, so that the sensitivity of capacitance value change caused by moisture change detection is increased; the hopper 11 is a horn opening and is used for collecting grains sent from the hopper in a wide mouth mode and enabling the grains to gather and pass through the capacitance positive plate 13 and the capacitance negative plate 14, and the sensitivity of grain moisture detection is improved.
More specifically, the box 4 is a four-sided semi-closed structure, wherein:
the upper end surface of the box body 4 is fixedly connected with the grain moisture measuring device 1;
the upper edge and the lower edge of the side surface of the box body 4 are provided with threaded openings, and the impulse plate angle adjusting device 2 is connected with the box body 4 through the threaded openings;
the impulse plate angle adjusting device 2 penetrates the impulse plate 5 from the side of the box body 4, and the impulse plate 5 is arranged in the box body 4.
More specifically, the lash plate angle adjustment device 2 comprises a horizontal adjustment rod 21, a vertical adjustment rod 22 and a connecting rod 23; wherein:
a plurality of threaded openings are formed in the upper end face and the lower end face of the connecting rod 23, and connecting holes are formed in the two ends of the horizontal adjusting rod 21 and the vertical adjusting rod 22;
one end of the horizontal adjusting rod 21 is connected with a threaded opening at the upper edge of the side surface of the box body 4 through a screw, and the other end of the horizontal adjusting rod is connected with a threaded opening at the upper end surface of the connecting rod 23 through a screw;
one end of the vertical adjusting rod 22 is connected with a threaded opening at the lower edge of the side surface of the box body 4 through a screw, and the other end of the vertical adjusting rod is connected with a threaded opening at the lower end surface of the connecting rod 23 through a screw;
the impulse plate 5 is connected with the connecting rod 23 through a screw.
In the specific implementation process, the number of the horizontal adjusting rods 21 is 2, the number of the vertical adjusting rods 22 is 1, and both the horizontal adjusting rods 21 and the vertical adjusting rods 22 are screw rod adjusting rods; the angle adjusting device 2 of the impulse plate changes the angle of impact of grains by adjusting a horizontal adjusting rod 21 and a vertical adjusting rod 22 which are connected with a connecting rod 23.
More specifically, a pressure sensor is arranged on the connecting rod 23, and the pressure sensor is electrically connected with the input end of the acquisition circuit 6 through a conducting wire.
In a specific implementation, the pressure sensor is a resistance strain gauge pressure sensor for detecting a pressure signal of the momentum plate 5 connected to the connecting rod 23 when being impacted by the grains.
More specifically, the impulse plate 5 comprises a plate body 51 and a connection mechanism 52, wherein:
the plate body 51 is fixedly connected with the connecting mechanism 52;
the connecting mechanism 52 is connected with a threaded opening on the upper end surface of the connecting rod 23 through a screw.
More specifically, the momentum plate information collecting device 3 includes an angular velocity sensor 31 and an acceleration sensor 32, and both the angular velocity sensor 31 and the acceleration sensor 32 are disposed on the plate body 51 and electrically connected to the input end of the collecting circuit 6 through a wire.
More specifically, the angular velocity sensor 31 and the acceleration sensor 32 are both digital mems sensors.
In the specific implementation process, the three-axis angular velocity sensor 31 and the acceleration sensor 32 of the impulse plate information acquisition device 3 are used for acquiring the angle and vibration information of grain impact in real time.
In the specific implementation process, the system reduces the measurement error caused by the vibration of the combined harvesting machine and the field gradient by acquiring the three-dimensional angle and the three-dimensional vibration information of the impulse measuring plate, measures the crop moisture information at the same time, accurately measures the yield information of the harvesting area, and effectively improves the yield measurement precision.
Example 2
In the specific implementation process, on the basis of the embodiment 1, the horizontal adjusting rod 21 and the vertical adjusting rod 22 are adjusted, the angle of the pressure sensor is changed, the optimal yield measurement angle α is selected, and the pressure signal sensitivity of the grain impact impulse plate 5 is increased.
In the specific implementation in-process, cereal passes through circular pipeline through the gathering of circular hopper 11, and the capacitance value through arc electric capacity positive plate 13, electric capacity negative plate 14 changes, acquires the moisture information of cereal in real time to carry out real-time measurement to ambient temperature through temperature sensor 12, acquisition circuit 6 carries out temperature compensation according to the temperature that records to the capacitance measurement value, improves the precision that moisture detected.
In the specific implementation process, when grains impact the impulse plate 5, the triaxial angular velocity and acceleration mems sensors collect the angle and vibration information of the impulse plate 5 for the acquisition circuit 6 in real time, and acquire the yield information of the grains in real time; after unidirectional vibration noise is eliminated, the current moisture and yield information of the grains can be acquired more accurately.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (8)

1. The utility model provides a veneer impulse formula cereal quality measurement system of combine which characterized in that: the device comprises a grain moisture measuring device (1), an impulse plate angle adjusting device (2), an impulse plate information acquisition device (3), a box body (4), an impulse plate (5) and an acquisition circuit (6); wherein:
the grain moisture measuring device (1) is fixedly connected with the box body (4);
the impulse plate angle adjusting device (2) is connected with the box body (4);
the impulse plate (5) is arranged in the box body (4) through the impulse plate angle adjusting device (2);
the impulse plate information acquisition device (3) is arranged on the impulse plate (5);
the grain moisture measuring device (1) and the impulse plate information acquisition device (3) are electrically connected with the input end of the acquisition circuit (6).
2. The single-plate impulse type grain quality measuring system of the combine harvester according to claim 1, characterized in that: the grain moisture measuring device (1) comprises a hopper (11), a temperature sensor (12), a capacitance positive plate (13) and a capacitance negative plate (14); wherein:
the hopper (11) is fixedly connected with the box body (4);
the temperature sensor (12), the positive capacitance plate (13) and the negative capacitance plate (14) are all arranged on the inner wall of the hopper (11) and are electrically connected with the input end of the acquisition circuit (6) through leads.
3. The single-plate impulse type grain quality measuring system of the combine harvester according to claim 1, characterized in that: the box (4) is of a four-side semi-closed structure, wherein:
the upper end surface of the box body (4) is fixedly connected with the grain moisture measuring device (1);
the upper edge and the lower edge of the side surface of the box body (4) are provided with threaded openings, and the impulse plate angle adjusting device (2) is connected with the box body (4) through the threaded openings;
the impulse plate angle adjusting device (2) penetrates the impulse plate (5) from the side face of the box body (4), and the impulse plate (5) is arranged in the box body (4).
4. The single-plate impulse type grain quality measuring system of the combine harvester according to claim 3, wherein: the impulse plate angle adjusting device (2) comprises a horizontal adjusting rod (21), a vertical adjusting rod (22) and a connecting rod (23); wherein:
a plurality of threaded openings are formed in the upper end face and the lower end face of the connecting rod (23), and connecting holes are formed in the two ends of the horizontal adjusting rod (21) and the vertical adjusting rod (22);
one end of the horizontal adjusting rod (21) is connected with a threaded opening at the upper edge of the side surface of the box body (4) through a screw, and the other end of the horizontal adjusting rod is connected with a threaded opening at the upper end surface of the connecting rod (23) through a screw;
one end of the vertical adjusting rod (22) is connected with a threaded opening at the lower edge of the side surface of the box body (4) through a screw, and the other end of the vertical adjusting rod is connected with a threaded opening at the lower end surface of the connecting rod (23) through a screw;
the impulse plate (5) is connected with the connecting rod (23) through a screw.
5. The single-plate impulse type grain quality measuring system of the combine harvester according to claim 4, wherein: the connecting rod (23) is provided with a pressure sensor, and the pressure sensor is electrically connected with the input end of the acquisition circuit (6) through a lead.
6. The single-plate impulse type grain quality measuring system of the combine harvester according to claim 4, wherein: the impulse plate (5) comprises a plate body (51) and a connecting mechanism (52), wherein:
the plate body (51) is fixedly connected with the connecting mechanism (52);
the connecting mechanism (52) is connected with a threaded opening on the upper end surface of the connecting rod (23) through a screw.
7. The single-plate impulse type grain quality measuring system of the combine harvester according to claim 6, wherein: the impulse plate information acquisition device (3) comprises an angular velocity sensor (31) and an acceleration sensor (32), wherein the angular velocity sensor (31) and the acceleration sensor (32) are arranged on the plate body (51) and are electrically connected with the input end of the acquisition circuit (6) through wires.
8. The single-plate impulse type grain quality measuring system of the combine harvester according to claim 7, wherein: the angular velocity sensor (31) and the acceleration sensor (32) are both digital mems sensors.
CN201920527987.0U 2019-04-17 2019-04-17 Single-plate impulse type grain quality measuring system of combined harvester Active CN210427431U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900754A (en) * 2019-04-17 2019-06-18 岭南师范学院 A kind of veneer impulse type grain quality measuring system and its application method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900754A (en) * 2019-04-17 2019-06-18 岭南师范学院 A kind of veneer impulse type grain quality measuring system and its application method

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