CN218349615U - Harvester granary weighing device - Google Patents
Harvester granary weighing device Download PDFInfo
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- CN218349615U CN218349615U CN202222403319.1U CN202222403319U CN218349615U CN 218349615 U CN218349615 U CN 218349615U CN 202222403319 U CN202222403319 U CN 202222403319U CN 218349615 U CN218349615 U CN 218349615U
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Abstract
The utility model relates to a harvester granary weighing device, which is used for real-time detection of the grain weight in the granary of a harvester, and comprises a weighing sensor, a height detection unit and a weighing processor, wherein the weighing sensor is arranged at the bottom of the granary, the upper end surface of the weighing sensor is a weighing stress surface, the weighing stress surface is in a horizontal state, and the weighing sensor is used for detecting the positive pressure of the contained grain particles above the weighing stress surface; the height detection unit is arranged at the side part or/and the top part of the granary and is used for detecting the grain loading height in the granary; and the weighing processor is used for receiving the data information of the weighing sensor and the height detection unit and acquiring the real-time grain loading weight in the granary. Thereby this application can obtain accurate effectual dress grain volume according to the cross sectional shape change of dress grain height and granary, and then calculates and handle through the data to gathering, obtains the measurement of real-time weight, realizes weighing to grain in the harvester granary.
Description
Technical Field
The utility model belongs to the technical field of the harvester, harvester granary weighing device.
Background
Combine domestic grain harvester technical development current situation, the granary of traditional grain crop harvester does not basically take weighing device: on one hand, due to the industrial development reasons, the user does not need the weighing function, and on the other hand, the weighing function of the granary of the harvester has special application environment and technical problems to be solved, and cannot be effectively applied to the harvester. With the rise of modern agriculture and intelligent agriculture in China at present, the granary needs to be subjected to a data-based weighing function, so that the granary caters to the industry development direction of future agricultural intellectualization and Internet of things, and is the most basic and most core measurement technical means.
In the prior art, a plurality of different weighing modes exist, some weighing modes are that the container is integrally weighed and measured, and a granary is placed on a weighing sensor to realize the weighing of materials in the container; some containers are regularly cylindrical or regularly shaped with rectangular cross section, and the total weight of the material is obtained by measuring the weight of the material in unit area and then converting the weight of the material in proportion to the cross section of the container.
The two modes have great limitation, the granary of the harvester is not in a regular shape, and in order to be convenient to assemble on a vehicle, the granary is required to be supported on other structural components of the vehicle body, the shape of the granary is subjected to multi-section variable-section structural design, a part of sections are cylinders, and the other sections are sections with linearly-changed or non-linearly-changed cross sections, so that the technical problem that the weighing of the grain loading weight of the granary in the harvester is difficult to overcome is caused.
Disclosure of Invention
The utility model discloses the purpose is to the problem that the aforesaid exists and not enough, provides a harvester granary weighing device, thereby can acquire accurate effectual dress grain volume according to the cross sectional shape change of dress grain height and granary, and then through calculating and handling the data of gathering, obtains the measurement of real-time weight, realizes weighing to the harvester granary.
In order to realize the purpose, the technical scheme is as follows:
a harvester granary weighing device for real-time detection of the weight of grain in the granary of a harvester comprises:
the weighing sensor is arranged at the bottom of the granary, the upper end surface of the weighing sensor is a weighing stress surface, the weighing stress surface is in a horizontal state, and the weighing sensor is used for detecting the positive pressure of the grain particles contained above the weighing stress surface;
the height detection unit is arranged at the side part or/and the top part of the granary and is used for detecting the grain loading height in the granary; and
and the weighing processor is used for receiving the data information of the weighing sensor and the height detection unit and acquiring the real-time grain loading weight in the granary.
According to the utility model discloses harvester granary weighing device, preferably, the granary bottom is provided with the mounting bracket, weighing sensor assemble in on the mounting bracket.
According to the utility model discloses harvester granary weighing device, preferably, height detecting element is including laying at the light sense transmitter at granary top and laying a plurality of light sense receivers on the lateral wall of granary, the light sense transmitter with the light sense receiver all is connected with the treater of weighing through connecting the pencil.
According to the utility model discloses harvester granary weighing device, preferably, high detecting element is capacitanc height detection sensor, radar wave determine module or laser rangefinder subassembly.
According to the utility model discloses harvester granary weighing device, preferably, weighing sensor is strain gauge weighing sensor.
According to the utility model discloses harvester granary weighing device, preferably, the granary includes first district section and the second district section of arranging from top to bottom at least, the change law of the cross section of first district section is different with the change law of the cross section of second district section.
According to the utility model discloses harvester granary weighing device, preferably, be provided with at least a set of weighing sensor and at least a set of height detecting unit in the granary.
By adopting the technical scheme, the beneficial effects are as follows:
the utility model discloses a technical route is novel, unique in design, and weighing device size is little, the installation is convenient, for the granary weighs in real time and provides an accurate, the extremely high technical solution that weighs of stability, combines current modernization agricultural development demand and direction, has stronger technical application and commercial spreading value.
According to the method and the device, the corresponding grain loading volume can be measured out according to the section change rule of the linearly changed section or the non-linearly changed section and by combining the data during height measurement, the data acting on the weighing sensor under the conditions of different heights are analyzed through the three-dimensional model, the correction coefficients of different grain types under different height conditions are obtained, so that the measured data on the weighing sensor are corrected, more accurate and real data are obtained, the total weight of the grain loading is obtained, and the real reliability of the measured data is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments of the present invention will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.
Fig. 1 is a schematic structural view of a harvester granary weighing device in an embodiment of the present invention.
Number in the figure:
100 is a weighing sensor, 101 is an installation frame;
200 is a granary, and 201 is grain particles;
301 is a light-sensitive emitter, 302 is a light-sensitive receiver, 303 is a connection harness, and 304 is a weighing processor.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art.
It should be noted that when an element is referred to as being "connected," "coupled," or "connected" to another element, it can be directly connected, coupled, or connected, but it is understood that intervening elements may be present therebetween; i.e., to encompass both direct and indirect positional relationships.
It should be noted that the use of "a" or "an" and similar referents does not necessarily imply a limitation on the number. The word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items.
It should be noted that terms indicating orientation or positional relationship such as "upper", "lower", "left", "right", and the like, are used only for indicating relative positional relationship, which is for convenience of describing the present invention, and not that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation; when the absolute position of the object to be described is changed, the relative positional relationship may also be changed accordingly.
Referring to fig. 1, the present application is used for real-time detection of the weight of grain in a grain bin 200 of a harvester, and mainly aims at weighing measurement of irregular structures of the grain bin on the harvester; the structure of the granary is mainly shown as follows: granary 200 comprises at least a first section and a second section arranged one above the other, wherein the change law of the cross section of the first section is different from the change law of the cross section of the second section. The cross-sectional variation of the granary shown in the figures has three different sections. The three sections are all linearly changed, and in practical application, a granary which is not linearly changed may exist, and the corresponding volume can be obtained according to the curve equation and the height of the non-linear change of the granary.
The harvester granary weighing device of the embodiment comprises a weighing sensor 100, a height detection unit and a weighing processor 304, wherein the weighing sensor 100 is installed at the bottom of the granary 200, the upper end surface of the weighing sensor 100 is a weighing stress surface, the weighing stress surface is in a horizontal state, and the weighing sensor 100 is used for detecting the positive pressure of grain particles contained above the weighing stress surface; as shown in the figure, this application is provided with mounting bracket 101 in granary 200 bottom, weighing sensor 100 assemble in on the mounting bracket 101, weighing sensor 100 is strain type weighing sensor, need ensure the weighing sensor level on the one hand, and on the other hand the guarantee can not the weighing sensor's strain detection cause the interference.
The height detection unit is arranged at the side part or/and the top part of the granary 200 and is used for detecting the grain loading height in the granary 200; the height detection unit shown in the figure comprises a light sensation emitter 301 distributed at the top of a granary 200 and a plurality of light sensation receivers 302 distributed on the side wall of the granary, wherein the light sensation emitter 301 and the light sensation receivers 302 are connected with a weighing processor 304 through a connecting wire harness 303; the structure of the height detection unit can also adopt other different structural forms, for example, the height detection unit is a capacitance type height detection sensor, a radar wave detection component or a laser ranging component, and the like, and one or more of the height detection unit and the radar wave detection component can be arranged in the granary according to actual conditions.
The load processor 304 of the present application is configured to receive data information from the load cell 100 and the height detection unit and obtain a real-time grain weight load in the grain bin 200.
To avoid a deviation of a single set of detection data, at least one set of load cells and at least one set of height detection units may be provided in the grain bin 200. Thereby achieving further correction of the data.
A strain type weighing sensor is installed at the bottom of the inner wall of a grain bin of the harvester through a sensor installation frame, the upper end face of the strain type weighing sensor is kept horizontal, positive pressure of grain particles on the end face is weighed in real time, and the numerical value of the positive pressure can be converted into grain weight M of the volume V (the area S of the end face of the sensor is the height h of a grain loading line) contained on the round end face of the current sensor. Because the weight is influenced by various aspects and has certain error with the real weight, the method also needs to build a three-dimensional model to obtain the correlation coefficient between the measured data and the real data under the condition of different heights, and the weighing processor corrects the acquired data to further obtain the real weight.
Meanwhile, a light sensation emitter and a plurality of groups of light sensation receivers are arranged inside the grain bin of the harvester and used for calibrating and detecting the height h of the grain loading line. The shape of the granary of the harvester is irregular, and the total volume V of the grains (6) is considered when the grains are placed on grain loading lines with different heights h. The height h of the grain containing line is not increased in proportion, but is changed by a multi-segment broken line or curve. The height h of the grain containing line can be obtained through a plurality of groups of strip-shaped light-sensitive receivers attached to the inner wall of the granary of the harvester, the size and the appearance of the granary of a certain harvester are fixed, and the total volume V of the grains contained can be calculated through the height h of the grain containing line.
To sum up, through weight M and the height h that the light sense receiver acquireed that strain gauge weighing sensor acquireed, these two data are transmitted for the weighing processor through connecting the pencil in real time. The weighing processor finishes operation and data correction processing, and accurate real-time weight M can be obtained. And the weight is externally sent to the whole vehicle in a CAN communication mode to display the real-time weight and process data.
While the above description has described in detail the preferred embodiments for carrying out the invention, it should be understood that these embodiments are presented by way of example only, and are not intended to limit the scope, applicability, or configuration of the invention in any way. The scope of the invention is defined by the appended claims and equivalents thereof. Those skilled in the art can make many changes to the foregoing embodiments, which fall within the scope of the invention, in light of the above teachings.
Claims (7)
1. The utility model provides a harvester granary weighing device for real-time detection of grain weight in the granary of harvester, its characterized in that includes:
the weighing sensor is arranged at the bottom of the granary, the upper end face of the weighing sensor is a weighing stress surface, the weighing stress surface is in a horizontal state, and the weighing sensor is used for detecting the positive pressure of the grain particles contained above the weighing stress surface;
the height detection unit is arranged at the side part or/and the top part of the granary and is used for detecting the grain loading height in the granary; and
and the weighing processor is used for receiving the data information of the weighing sensor and the height detection unit and acquiring the real-time grain loading weight in the granary.
2. The harvester grain bin weighing device of claim 1, wherein a mounting frame is arranged at the bottom of the grain bin, and the weighing sensor is assembled on the mounting frame.
3. The harvester grain bin weighing device according to claim 1, wherein the height detection unit comprises a light-sensitive emitter arranged at the top of the grain bin and a plurality of light-sensitive receivers arranged on the side wall of the grain bin, and the light-sensitive emitter and the light-sensitive receivers are connected with the weighing processor through connecting wiring harnesses.
4. The harvester grain bin weighing device of claim 1, wherein the height detection unit can also be a capacitive height detection sensor, a radar wave detection assembly, or a laser ranging assembly.
5. The harvester grain bin weighing device of claim 1, wherein the load cell is a strain gauge load cell.
6. A harvester bin weighing device according to any one of claims 1 to 5, wherein the bin comprises at least a first section and a second section arranged one above the other, the law of change of the cross-section of the first section being different from the law of change of the cross-section of the second section.
7. The harvester grain bin weighing device of claim 1, wherein at least one set of load cells and at least one set of height detection units are disposed within the grain bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222403319.1U CN218349615U (en) | 2022-09-09 | 2022-09-09 | Harvester granary weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222403319.1U CN218349615U (en) | 2022-09-09 | 2022-09-09 | Harvester granary weighing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218349615U true CN218349615U (en) | 2023-01-20 |
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ID=84893292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222403319.1U Active CN218349615U (en) | 2022-09-09 | 2022-09-09 | Harvester granary weighing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218349615U (en) |
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2022
- 2022-09-09 CN CN202222403319.1U patent/CN218349615U/en active Active
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