CN112213116A - Agricultural machine test bed and control method thereof - Google Patents
Agricultural machine test bed and control method thereof Download PDFInfo
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- CN112213116A CN112213116A CN202011063901.7A CN202011063901A CN112213116A CN 112213116 A CN112213116 A CN 112213116A CN 202011063901 A CN202011063901 A CN 202011063901A CN 112213116 A CN112213116 A CN 112213116A
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- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007613 environmental effect Effects 0.000 claims description 15
- 238000002474 experimental method Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 6
- 101001006370 Actinobacillus suis Hemolysin Proteins 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000004148 unit process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Abstract
An agricultural machinery test bed and a control method thereof. The invention relates to an agricultural machinery test bed, which comprises a workbench main body, and a hydraulic system, a temperature regulator, a pressure regulator, a flow regulator and a variable frequency motor which are arranged on the workbench main body, wherein the workbench main body is provided with a control system which is electrically connected with the hydraulic system, the temperature regulator, the pressure regulator, the flow regulator and the variable frequency motor; the control system comprises a gyroscope sensor, a differential GPS receiver, a radar speed measurement sensor, a distance measurement radar sensor, a high-definition camera, a data acquisition computer and a control unit. The invention has the following advantages: the automatic navigation of the agricultural machinery test bed is realized, the position information of the differential GPS receiver is used as basic navigation information, and the gyro sensor is used for acquiring offset information, so that the course and transverse position accuracy is further improved.
Description
The technical field is as follows:
the invention belongs to the field of agricultural machinery tests, and particularly relates to an agricultural machinery test bed and a control method thereof.
Background art:
along with the popularization of the precision agriculture technology, the automatic navigation technology of the agricultural machine is an important component of modern precision agriculture, and has become a research hotspot in the field as one of the key technologies of the agricultural automation equipment.
At present, domestic academies do a lot of research work in the research of tractor guiding technology, and develop an automatic navigation control system of an agricultural vehicle by using a CAN bus, but the automatic navigation control system has the following defects: 1. the variety of agricultural implements is numerous, the tractors with different horsepower sections need to be matched, and the production is not facilitated; 2. the output rotating speed is a fixed gear, and the adjustment of different rotating speeds cannot be realized; 3. the hydraulic pressure and flow of the tractor are unstable, the regulation and control cannot be realized, and the pressure is not displayed; 4. remote operation cannot be realized, and potential safety hazards exist; 5. the tractor has less hydraulic oil volume, need constantly input hydraulic oil for the tractor, and hydraulic oil quality is poor.
The invention content is as follows:
the invention aims to overcome the defects and provide an agricultural machine test bed and a control method thereof to solve the technical problems.
The purpose of the invention is realized by the following technical scheme: an agricultural machinery test bed comprises a workbench main body, and a hydraulic system, a temperature regulator, a pressure regulator, a flow regulator and a variable frequency motor which are arranged on the workbench main body, wherein the workbench main body is provided with a control system which is electrically connected with the hydraulic system, the temperature regulator, the pressure regulator, the flow regulator and the variable frequency motor;
the control system comprises a gyroscope sensor, a differential GPS receiver, a radar speed measuring sensor, a range radar sensor, a high-definition camera, a data acquisition computer and a control unit, wherein the differential GPS receiver, the radar speed measuring sensor, the range radar sensor, the high-definition camera and the data acquisition computer are electrically connected, and are connected with the control unit through a CAN bus to acquire and record output data of the gyroscope sensor.
The invention is further improved in that: the output shaft of the variable frequency motor is connected with the input shaft of the agricultural machine, the output data sent to the control unit by the spirometer sensor, the differential GPS receiver, the radar speed measuring sensor, the distance measuring radar sensor, the high-definition camera and the data acquisition computer are subjected to operation processing by the control unit, and then the control unit sends action instructions corresponding to output rotating speeds to the variable frequency motor according to the remote instructions, so that the adjustment of different output rotating speeds of the agricultural machine is realized.
The invention is further improved in that: the control system further comprises a flow sensor, a temperature sensor and a pressure sensor, wherein the flow sensor, the temperature sensor and the pressure sensor respectively transmit flow data, temperature data and pressure data to the control unit, and the control unit processes the flow data, the temperature data and the pressure data and respectively adjusts the flow, the temperature and the pressure of the hydraulic system to the flow regulator, the temperature regulator and the pressure regulator according to remote instructions.
The invention is further improved in that: the control system further comprises an output unit, and the control unit transmits the flow data, the temperature data and the pressure data to the output unit respectively to realize real-time monitoring of the test data.
The invention is further improved in that: the output unit is a touch screen or a display screen.
The invention is further improved in that: the workbench main body is provided with a plurality of hanging parts.
7. A control method of an agricultural machinery test bed is characterized in that: the method comprises the following specific steps:
s100, storing each experiment carried out by the workbench main body and an environmental parameter corresponding to each experiment in the APPA of the mobile terminal;
s200, inputting the type of an experiment to be performed in a mobile terminal APP by an operator to obtain environmental parameters;
s300, the mobile terminal APP sends the environmental parameters of the experiment category to a control system through wireless communication;
s400, analyzing and processing the received environmental parameters by the control system, converting the environmental parameters into control instructions and respectively transmitting the control instructions to the variable frequency motor, the flow regulator, the temperature regulator and the pressure regulator;
and S500, executing corresponding work by the variable frequency motor, the flow regulator, the temperature regulator and the pressure regulator according to the received control command.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the spirometer sensor, the differential GPS receiver, the radar speed measurement sensor, the distance measurement radar sensor and the high-definition camera are combined for use, so that the automatic navigation of the agricultural machinery test bed is realized, the position information of the differential GPS receiver is used as basic navigation information, and the gyro sensor is used for acquiring offset information, so that the course and transverse position accuracy is further improved.
2. In order to conveniently simulate the power of tractors with different horsepower sections, a high-power variable frequency motor is used as power, different rotating speed adjustment is realized through remote control, and various data are monitored and displayed in real time.
3. Through designing and researching a hydraulic system of the experiment table, the functions of a series of hydraulic parts such as a multi-oil-port hydraulic oil circuit, hydraulic pressure display, operation state locking, flow regulation and the like are met.
Description of the drawings:
fig. 1 is a schematic structural view of a hydraulic system according to the present invention.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship, such as one based on the drawings, are used only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the structure or unit indicated must have a specific orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise specified and limited, terms such as "connected," "provided," "having," and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, or directly connected, and may be connected through an intermediate medium, so that those skilled in the art can understand the basic meaning of the above terms in the present invention according to specific situations.
The invention relates to an implementation mode of an agricultural machinery test bed, which comprises a workbench main body, and a hydraulic system, a temperature regulator, a pressure regulator, a flow regulator and a variable frequency motor which are arranged on the workbench main body, wherein the workbench main body is provided with a control system which is electrically connected with the hydraulic system, the temperature regulator, the pressure regulator, the flow regulator and the variable frequency motor;
the control system comprises a gyroscope sensor, a differential GPS receiver, a radar speed measuring sensor, a ranging radar sensor, a high-definition camera, a data acquisition computer and a control unit, wherein the differential GPS receiver, the radar speed measuring sensor, the ranging radar sensor, the high-definition camera and the data acquisition computer are electrically connected, and are connected with the control unit through a CAN bus to acquire and record output data of the gyroscope sensor.
Furthermore, an output shaft of the variable frequency motor is connected with an input shaft of the agricultural machine, the spirometer sensor, the differential GPS receiver, the radar speed measurement sensor, the distance measurement radar sensor, the high-definition camera and the output data sent to the control unit by the data acquisition computer are subjected to operation processing by the control unit, and then action instructions corresponding to output rotating speeds are sent to the variable frequency motor according to the remote instructions, so that different output rotating speeds of the agricultural machine can be adjusted.
Furthermore, the control system also comprises a flow sensor, a temperature sensor and a pressure sensor, wherein the flow sensor, the temperature sensor and the pressure sensor respectively transmit flow data, temperature data and pressure data to the control unit, and the control unit processes the flow data, the temperature data and the pressure data and respectively adjusts the flow, the temperature and the pressure of the hydraulic system to the flow regulator, the temperature regulator and the pressure regulator according to remote instructions.
Furthermore, the control system also comprises an output unit, and the control unit transmits the flow data, the temperature data and the pressure data to the output unit respectively to realize real-time monitoring of the test data.
Further, the output unit is a touch screen or a display screen.
Furthermore, the workbench main body is provided with a plurality of hanging parts which can be matched with a plurality of different types of hanging modes.
A control method of an agricultural machinery test bed comprises the following specific steps:
s100, storing each experiment carried out by the workbench main body and an environmental parameter corresponding to each experiment in the APPA of the mobile terminal;
s200, inputting the type of an experiment to be performed in a mobile terminal APP by an operator to obtain environmental parameters;
s300, the mobile terminal APP sends the environmental parameters of the experiment category to a control system through wireless communication;
s400, analyzing and processing the received environmental parameters by the control system, converting the environmental parameters into control instructions and respectively transmitting the control instructions to the variable frequency motor, the flow regulator, the temperature regulator and the pressure regulator;
and S500, executing corresponding work by the variable frequency motor, the flow regulator, the temperature regulator and the pressure regulator according to the received control command.
According to the invention, the spirometer sensor, the differential GPS receiver, the radar speed measurement sensor, the distance measurement radar sensor and the high-definition camera are combined for use, so that the automatic navigation of the agricultural machinery test bed is realized, the position information of the differential GPS receiver is used as basic navigation information, and the gyro sensor is used for acquiring offset information, so that the course and transverse position accuracy is further improved.
In order to conveniently simulate the power of tractors with different horsepower sections, a high-power variable frequency motor is used as power, different rotating speed adjustment is realized through remote control, and various data are monitored and displayed in real time.
Through designing and researching a hydraulic system of the experiment table, the functions of a series of hydraulic parts such as a multi-oil-port hydraulic oil circuit, hydraulic pressure display, operation state locking, flow regulation and the like are met.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An agricultural machinery test bench which characterized in that: the hydraulic system, the temperature regulator, the pressure regulator, the flow regulator and the variable frequency motor are arranged on the workbench main body, the workbench main body is provided with a control system electrically connected with the hydraulic system, the temperature regulator, the pressure regulator, the flow regulator and the variable frequency motor, the flow regulator and the pressure regulator are connected with the hydraulic system, and the control system is connected with a remote control service terminal through a network;
the control system comprises a gyroscope sensor, a differential GPS receiver, a radar speed measuring sensor, a ranging radar sensor, a high-definition camera, a data acquisition computer and a control unit, wherein the differential GPS receiver, the radar speed measuring sensor, the ranging radar sensor, the high-definition camera and the data acquisition computer are electrically connected, and are connected with the control unit through a CAN bus to acquire and record output data of the gyroscope sensor.
2. An agricultural machine test stand according to claim 1, characterized in that: the output shaft of the variable frequency motor is connected with the input shaft of the agricultural machine, the output data sent to the control unit by the spirometer sensor, the differential GPS receiver, the radar speed measuring sensor, the distance measuring radar sensor, the high-definition camera and the data acquisition computer are subjected to operation processing by the control unit, and then the control unit sends action instructions corresponding to output rotating speeds to the variable frequency motor according to the remote instructions, so that the adjustment of different output rotating speeds of the agricultural machine is realized.
3. An agricultural machine test stand according to claim 2, wherein: the control system further comprises a flow sensor, a temperature sensor and a pressure sensor, wherein the flow sensor, the temperature sensor and the pressure sensor respectively transmit flow data, temperature data and pressure data to the control unit, the control unit processes the flow data, the temperature data and the pressure data and respectively adjusts the flow, the temperature and the pressure of the hydraulic system to the flow regulator, the temperature regulator and the pressure regulator according to remote instructions.
4. An agricultural machine test stand according to claim 3, wherein: the control system further comprises an output unit, and the control unit transmits the flow data, the temperature data and the pressure data to the output unit respectively to realize real-time monitoring of the test data.
5. An agricultural machine test stand according to claim 4, wherein: the output unit is a touch screen or a display screen.
6. An agricultural machine test stand according to any one of claims 1 to 5, characterized in that: the workbench main body is provided with a plurality of hanging parts.
7. A control method of an agricultural machinery test bed is characterized in that: the method comprises the following specific steps:
s100, storing each experiment carried out by the workbench main body and an environmental parameter corresponding to each experiment in the APPA of the mobile terminal;
s200, inputting the type of an experiment to be performed in a mobile terminal APP by an operator to obtain environmental parameters;
s300, the mobile terminal APP sends the environmental parameters of the experiment category to a control system through wireless communication;
s400, analyzing and processing the received environmental parameters by the control system, converting the environmental parameters into control instructions and respectively transmitting the control instructions to the variable frequency motor, the flow regulator, the temperature regulator and the pressure regulator;
and S500, executing corresponding work by the variable frequency motor, the flow regulator, the temperature regulator and the pressure regulator according to the received control command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011063901.7A CN112213116A (en) | 2020-09-30 | 2020-09-30 | Agricultural machine test bed and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011063901.7A CN112213116A (en) | 2020-09-30 | 2020-09-30 | Agricultural machine test bed and control method thereof |
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| CN112213116A true CN112213116A (en) | 2021-01-12 |
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Application publication date: 20210112 |