CN209857866U - Turnover plow detection device - Google Patents
Turnover plow detection device Download PDFInfo
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- CN209857866U CN209857866U CN201920147172.XU CN201920147172U CN209857866U CN 209857866 U CN209857866 U CN 209857866U CN 201920147172 U CN201920147172 U CN 201920147172U CN 209857866 U CN209857866 U CN 209857866U
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Abstract
The utility model discloses a turnover plow detection device, belong to the communication technology field, including main detection device and follow detection device, main detection device includes depth sensor, main CPU, main 232 chip, first serial port interface and second serial port interface, and depth sensor is connected with main CPU electricity, and first serial port interface and second serial port interface connect the first serial port output and the second serial port output of main 232 chip respectively, and a serial port of main CPU is connected to the first serial port input of main 232 chip, and another serial port of main CPU is connected to the second serial port input; the slave detection device comprises an attitude sensor, a slave CPU, a slave 232 chip and a third serial port interface, wherein the attitude sensor is electrically connected with the slave CPU, a second serial port input end of the slave 232 chip is connected with a serial port of the slave CPU, a second serial port output end of the slave 232 chip is connected with the third serial port interface, and the third serial port interface is communicated with the first serial port interface. The utility model relates to a turnover plow detection device solves the technical problem of the gesture of accurate measurement turnover plow.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a turnover plow detection device.
Background
For the traditional common deep scarification machine, various depth calculation modes are generally existed in the industry, however, the turnover plow machine is special because the turnover plow machine has two postures of left turning and right turning, and the actual tilling depth of the left turning and the right turning is different when the angle of a lower pull rod of a tractor hydraulic arm is not changed, which causes great inconvenience for measuring the actual tilling depth of the turnover plow machine.
Disclosure of Invention
The invention aims to provide a turnover plow detection device, which solves the technical problem of accurately measuring the posture of a turnover plow.
In order to achieve the purpose, the invention adopts the following technical scheme:
a detection device for a turnover plow comprises a main detection device and a secondary detection device, wherein the main detection device is arranged on a suspension beam of the turnover plow, and the secondary detection device is arranged on the outer side of a cylinder body of a hydraulic cylinder of the turnover plow;
the main detection device comprises a depth sensor, a main CPU, a main 232 chip, a first serial port interface and a second serial port interface, wherein the depth sensor is electrically connected with the main CPU, the first serial port interface and the second serial port interface are respectively connected with a first serial port output end and a second serial port output end of the main 232 chip, a first serial port input end of the main 232 chip is connected with one serial port of the main CPU, and a second serial port input end of the main 232 chip is connected with the other serial port of the main CPU;
the slave detection device comprises an attitude sensor, a slave CPU, a slave 232 chip and a third serial port interface, wherein the attitude sensor is electrically connected with the slave CPU, a second serial port input end of the slave 232 chip is connected with a serial port of the slave CPU, a second serial port output end of the slave 232 chip is connected with the third serial port interface, and the third serial port interface is communicated with the first serial port interface.
Preferably, the depth sensor and the attitude sensor are both composed of a gyroscope sensor MPU6050 and a peripheral circuit thereof; the models of the master CPU and the slave CPU are STM32F103RCT6, and the models of the master 232 chip and the slave 232 chip are SP3232 EEN.
Preferably, the main detection device and the auxiliary detection device are both powered by an external 5V power supply, the main detection device and the auxiliary detection device are both provided with a 3.3V power supply module, and the 3.3V power supply module is ASM 1117.
The turnover plow detection device solves the technical problem of accurately measuring the depth value of the turnover plow when the turnover plow is turned to different directions, can store two groups of initial states which respectively represent reference angles of left turning and right turning, can accurately and effectively detect the operation depth, and captures the slight difference of tilling depth caused by the left turning and the right turning when the angle of a lower pull rod of a tractor is not changed.
Drawings
FIG. 1 is a hardware architecture diagram of the present invention;
FIG. 2 is a perspective view of the reversible plow;
FIG. 3 is a schematic diagram of the operation of the hydraulic cylinder;
FIG. 4 is a schematic diagram of a gyroscope sensor MPU6050 of the present invention;
FIG. 5 is a schematic diagram of the main CPU of the present invention;
FIG. 6 is a schematic diagram of a master 232 chip of the present invention;
FIG. 7 is a schematic diagram of the slave CPU of the present invention;
FIG. 8 is a schematic diagram of a slave 232 chip of the present invention;
in the figure: the plough comprises a plough body 1, a depth wheel 2, a plough frame 3, a hydraulic cylinder 4, a lower hinged base 5, a main detection device 7, a slave detection device 6, a suspension bracket 8, a rotating shaft 9, a stand column 10, a suspension beam 11, an upper hinged base 12, a pin shaft a13, a pin shaft b14, a Beidou data acquisition unit 24, a server platform 25 and a user mobile phone 26.
Detailed Description
As shown in fig. 1-8, the turnover plow detection device is a hydraulic turnover plow, the turnover plow comprises a suspension bracket 8, a plow frame 3 and a hydraulic cylinder 4, the plow frame 3 is arranged at the rear side of the suspension bracket 8, the plow frame 3 is provided with a rotating shaft 9, two plow bodies 1 and two depth wheels 2, the two depth wheels 2 respectively correspond to the two plow bodies 1, and the plow frame 3 is fixedly connected with the rotating shaft 9; the suspension frame 8 comprises suspension beams 11 transversely and horizontally arranged on the left and right and an upright post 10 fixedly arranged on the upper side of the middle part of the suspension beam 11, the suspension beam 11 is provided with a shaft hole corresponding to the rotating shaft 9, the front end of the rotating shaft 9 is arranged in the shaft hole through a bearing, the rear side of the top part of the upright post 10 is fixedly provided with an upper hinge seat 12, the outer side of the rotating shaft 9 is fixedly provided with a lower hinge seat 5, the top end of the hydraulic cylinder 4 is hinged with the upper hinge seat 12 through a pin shaft a13, the bottom end of the hydraulic cylinder is hinged with the lower hinge seat 5 through a pin shaft b14, the pin shaft a13 is parallel to the pin shaft b14, the pin shaft a and the; when the turnover plow works, the turnover plow is hinged and connected to the rear side of the headstock through a left horizontal shaft and a right horizontal shaft, the whole turnover plow can be driven by a power device to turn upwards and lift or turn downwards around the left horizontal shaft and the right horizontal shaft, and when the whole turnover plow falls and is driven by the headstock during running, one group of plow bodies 1 plows; the telescopic rod of the hydraulic cylinder 4 is controlled to stretch and drive the rotating shaft 9 to rotate, and then the rotating shaft 9 is driven to rotate, so that the plough frame 3 fixedly connected with the rotating shaft 9 also synchronously rotates, and the other group of plough bodies 1 fall down to plough. The mechanical structure of the hydraulic turn plow is conventional and commercially available in the Taobao industry and will not be described in detail.
The turnover plow detection device comprises a main detection device 7 and a slave detection device 6, wherein the main detection device is arranged on a suspension beam of the turnover plow, and the slave detection device is arranged on the outer side of a cylinder body of a hydraulic cylinder of the turnover plow; when the whole turnover plow is turned upwards around the left horizontal shaft or the right horizontal shaft or turned downwards and falls down, the suspension bracket, the suspension beam and the upright post thereof can also be turned upwards along with the turnover plow.
The main detection device comprises a depth sensor, a main CPU, a main 232 chip, a first serial port interface and a second serial port interface, wherein the depth sensor is electrically connected with the main CPU, the first serial port interface and the second serial port interface are respectively connected with a first serial port output end and a second serial port output end of the main 232 chip, a first serial port input end of the main 232 chip is connected with one serial port of the main CPU, and a second serial port input end of the main 232 chip is connected with the other serial port of the main CPU;
the slave detection device comprises an attitude sensor, a slave CPU, a slave 232 chip and a third serial port interface, wherein the attitude sensor is electrically connected with the slave CPU, a second serial port input end of the slave 232 chip is connected with a serial port of the slave CPU, a second serial port output end of the slave 232 chip is connected with the third serial port interface, and the third serial port interface is communicated with the first serial port interface.
As shown in fig. 3, the SCL, SDA and INT terminals of the gyro sensor MPU6050 are communication terminals, and the PB6, PB67 and PB13 pins of the main CPU are connected to the SCL, SDA and INT terminals of the depth sensor, respectively;
the PB6 pin, the PB67 pin and the PA5 pin of the slave CPU are respectively connected with an SCL end, an SDA end and an INT end of the attitude sensor;
preferably, the depth sensor and the attitude sensor are both composed of a gyroscope sensor MPU6050 and a peripheral circuit thereof; the models of the master CPU and the slave CPU are STM32F103RCT6, and the models of the master 232 chip and the slave 232 chip are SP3232 EEN.
Preferably, the main detection device and the auxiliary detection device are both powered by an external 5V power supply, the main detection device and the auxiliary detection device are both provided with a 3.3V power supply module, and the 3.3V power supply module is ASM 1117.
And the second serial port output end of the main detection device is communicated with an upper computer or data acquisition equipment.
The data acquisition equipment that this embodiment adopted is for being equipped with big dipper communication module's big dipper data collection station 24, and this big dipper data collection station passes through big dipper network and server platform 25 communication, and server platform 25 passes through mobile network and user's cell-phone 26 communication, transmits the angle data transmission who gathers main detection device and from detection device for user's cell-phone 26, supplies the user to look over.
The invention adopts a double-sensor framework, the secondary detection device is fixedly arranged on the outer side of the hydraulic cylinder body of the turnover plow and is used for measuring the selection angle b of the hydraulic cylinder; the main detection device is fixedly arranged on a suspension beam of the turnover plow and used for detecting the lifting angle a of the turnover plow; the posture of the turnover plow can be detected to be left turnover or right turnover through the angle b, and the tilling depth of the turnover plow can be detected through the angle a.
After the sensor is installed, the turnover plow is turned left to the plow tip (the tip of the plow body) touchdown position, the angle values collected by the main detection device and the auxiliary detection device are stored and used as an initial state 1, the turnover plow is turned to the right side until the plow tip touches the ground, and the angle values of the main sensor and the auxiliary sensor are stored again and used as an initial state 2.
Because the left side and the right side of the turnover plow are not completely balanced, the angle values of the hydraulic cylinder bodies when the turnover plow is turned to the ground of the plow tip from the left side and the plow tip is turned to the right side are different. The initial states of the two recordings are respectively used as references when the work depth is 0.
In actual operation, the variable quantity of the real-time angle value and the actually-measured tillage position of the tractor suspension beam are used as two known quantities, namely the angle a is a known quantity, the angle b represents left turning or right turning, a depth value is calculated according to a trigonometric function, the depth of the suspension beam band-pass integral turning plow tool during lifting is negative, and the depth of the suspension beam band-pass integral turning plow tool during lowering is positive.
By comparing the initial state 1 and the initial state 2, it is possible to capture a slight difference in tilling depth value brought about by left and right turns when the suspension beam of the reversible plow is unchanged.
The invention relates to a turnover plow detection device, which is characterized in that a main detection device and a secondary detection device are added on the basis of the existing turnover plow, so that the technical problem of accurately measuring the depth values of the turnover plow when the turnover plow turns towards different directions is solved.
Claims (3)
1. The utility model provides a turnover plow detection device which characterized in that: the device comprises a main detection device (7) and a secondary detection device (6), wherein the main detection device (7) is arranged on a suspension beam (11) of the turnover plow, and the secondary detection device (6) is arranged on the outer side of a cylinder body of a hydraulic cylinder (4) of the turnover plow;
the main detection device (7) comprises a depth sensor, a main CPU, a main 232 chip, a first serial port interface and a second serial port interface, wherein the depth sensor is electrically connected with the main CPU, the first serial port interface and the second serial port interface are respectively connected with a first serial port output end and a second serial port output end of the main 232 chip, a first serial port input end of the main 232 chip is connected with one serial port of the main CPU, and a second serial port input end of the main 232 chip is connected with the other serial port of the main CPU;
the slave detection device (6) comprises an attitude sensor, a slave CPU, a slave 232 chip and a third serial port interface, wherein the attitude sensor is electrically connected with the slave CPU, a second serial port input end of the slave 232 chip is connected with a serial port of the slave CPU, a second serial port output end of the slave 232 chip is connected with the third serial port interface, and the third serial port interface is communicated with the first serial port interface.
2. The inverted plow detection device of claim 1 wherein: the depth sensor and the attitude sensor are both composed of a gyroscope sensor MPU6050 and a peripheral circuit thereof; the models of the master CPU and the slave CPU are STM32F103RCT6, and the models of the master 232 chip and the slave 232 chip are SP3232 EEN.
3. The inverted plow detection device of claim 1 wherein: the main detection device (7) and the auxiliary detection device (6) are powered by an external 5V power supply, the main detection device (7) and the auxiliary detection device (6) are provided with 3.3V power modules, and the 3.3V power modules are ASM1117 in model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147172.XU CN209857866U (en) | 2019-01-24 | 2019-01-24 | Turnover plow detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920147172.XU CN209857866U (en) | 2019-01-24 | 2019-01-24 | Turnover plow detection device |
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| CN209857866U true CN209857866U (en) | 2019-12-27 |
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| CN201920147172.XU Active CN209857866U (en) | 2019-01-24 | 2019-01-24 | Turnover plow detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579764A (en) * | 2019-01-24 | 2019-04-05 | 江苏北斗农机科技有限公司 | A kind of pivot plow detection device |
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2019
- 2019-01-24 CN CN201920147172.XU patent/CN209857866U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579764A (en) * | 2019-01-24 | 2019-04-05 | 江苏北斗农机科技有限公司 | A kind of pivot plow detection device |
| CN109579764B (en) * | 2019-01-24 | 2024-02-02 | 江苏北斗农机科技有限公司 | Turnover plow detection device |
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