CN215494711U - Agricultural machinery intelligence driving system based on big dipper location - Google Patents
Agricultural machinery intelligence driving system based on big dipper location Download PDFInfo
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- CN215494711U CN215494711U CN202122238234.8U CN202122238234U CN215494711U CN 215494711 U CN215494711 U CN 215494711U CN 202122238234 U CN202122238234 U CN 202122238234U CN 215494711 U CN215494711 U CN 215494711U
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Abstract
The utility model discloses an agricultural machinery intelligent driving system based on Beidou positioning, which comprises an intelligent remote monitoring platform and automatic positioning driving agricultural machinery equipment, wherein the intelligent remote monitoring platform is in communication connection with the automatic positioning driving agricultural machinery equipment; the automatic positioning driving agricultural machinery equipment comprises a wireless positioning module circuit, a voltage stabilizing circuit, a serial port communication circuit and an antenna interface circuit; the wireless positioning module circuit is respectively connected with the serial port communication circuit, the voltage stabilizing circuit and the antenna interface circuit, and the voltage stabilizing circuit is connected with the serial port communication circuit and the antenna interface circuit. The utility model can automatically assist the field cultivation, thereby liberating the manpower.
Description
Technical Field
The utility model belongs to the technical field of intelligent driving, and particularly relates to an agricultural machinery intelligent driving system based on Beidou positioning.
Background
China is a big agricultural country and has a long-standing agricultural culture. Since the 21 st century, with the development of science and technology, China has made a certain breakthrough in agricultural development, and the total grain yield in the whole country in 2019 is 66384 ten thousand tons. Therefore, the implementation of fine automated agriculture is the key to solve the problem and is the trend of future agricultural development in China. In the future, the realization of agricultural machinery automation will promote the improvement of the comprehensive agricultural competitiveness in China. Compared with abroad, the application of the domestic RTK technology in the field of agricultural machinery automation is still in an exploration stage, and the comprehensive construction and implementation are not yet realized at present. The automatic agricultural machinery based on the RTK technology frees an operator from long-time boring driving, avoids the safety problem caused by fatigue, and solves the problems of insufficient labor force, low efficiency and the like of personnel. The GPS technology with meter-level precision can not meet the requirement of fine farming, and the automatic driving system uses centimeter-level RTK positioning to realize fine farming operation, such as an automatic rice transplanter. The construction of the automatic agricultural machinery is an effective means for improving the current farming mode in China, and is also an effective method for improving the farming work efficiency and reducing the manpower loss. The comprehensive implementation of agricultural machinery automation requires policy support, government leading, unified planning and participation of a whole industrial chain, particularly participation of enterprises and scientific researches, so that an organic benign mutual-entry mechanism is formed, and self benign growth is formed. At present, automatic agricultural machinery has certain effects on the purposes of automatic control of tilling, cultivating, harvesting and transporting, automatic irrigation and drainage systems and the like, although the basic requirements of most farming operations can be met, under the existing automatic navigation technical conditions, the navigation precision is insufficient for fine farming operations such as rice transplanting, and the popularization is not realized because the fine positioning navigation conditions cannot be met. And the required technology content is very high, the cost is high, so the industrialization degree is low, and the technology is not substantially put into the agricultural machinery industry at present. Aiming at the problem of automatic navigation of the agricultural machine, the agricultural machine can acquire the position, the speed, the course and the posture of the agricultural machine in real time under the unmanned condition based on the RTK technology and by combining various technologies, and can turn to reduce errors in time when deviating from a predefined path, so that a set of intelligent auxiliary driving system is developed, and the automation of the agricultural machine is realized.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the intelligent agricultural machinery driving system based on Beidou positioning can realize automatic advancing of the locomotive.
In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that: an agricultural machinery intelligent driving system based on Beidou positioning comprises an intelligent remote monitoring platform and automatic positioning driving agricultural machinery equipment, wherein the intelligent remote monitoring platform is in communication connection with the automatic positioning driving agricultural machinery equipment;
the automatic positioning driving agricultural machinery equipment comprises a wireless positioning module circuit, a voltage stabilizing circuit, a serial port communication circuit and an antenna interface circuit; the wireless positioning module circuit is respectively connected with the serial port communication circuit, the voltage stabilizing circuit and the antenna interface circuit, and the voltage stabilizing circuit is connected with the serial port communication circuit and the antenna interface circuit.
Further: the wireless positioning module circuit comprises a satellite positioning navigation chip U1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a light emitting diode IPPS, a light emitting diode V-RF, a voltage stabilizing diode D1, an antenna pedestal RF, a connector H3, an inductor L1, a capacitor C1, a capacitor C2, a grounding capacitor C3, a grounding capacitor C10 and a switch RST; the satellite positioning navigation chip U1 is E108-GN01 in model, and the antenna pedestal RF is 5-1814832-1 in model; the antenna pedestal RF1 is in communication connection with the intelligent remote monitoring platform through an antenna;
wherein, the pin 3 of the satellite positioning navigation chip U1 is connected to one end of the grounded capacitor C3 and one end of the resistor R4, the other end of the resistor R4 is connected to the anode of the led IPPS, the cathode of the led IPPS is connected to the pins 1, 2, 4 and 5 of the antenna pedestal RF and grounded, the pin 10 of the satellite positioning navigation chip U1 is grounded, the pin 11 of the satellite positioning navigation chip U1 is connected to one end of the resistor R1 and one end of the inductor L1, the other end of the resistor R1 is connected to the pin 3 of the antenna pedestal RF, the pin 12 of the satellite positioning navigation chip U1 is connected to one end of the capacitor C1 and one end of the capacitor C2 and grounded, the other end of the inductor L1 is connected to the other end of the capacitor C1, the other end of the capacitor C2, one end of the resistor R363985 and one end of the connector H38, the other end of the connector H3 is connected with a No. 9 pin of the satellite positioning and navigation chip U1, the other end of the resistor R3 is connected with the anode of the light-emitting diode V-RF, and the cathode of the light-emitting diode V-RF is grounded;
a pin 8 of the satellite positioning and navigation chip U1 is respectively connected with one end of the resistor R2 and a pin 2 of the switch RST, the other end of the resistor R2 is connected with a VCC power supply, and a pin 1 of the switch RST is grounded; no. 13 and No. 24 pins of the satellite positioning navigation chip U1 are all grounded, No. 22 pins of the satellite positioning navigation chip U1 are respectively connected with a grounding capacitor C10 and the negative electrode of a voltage stabilizing diode D1, and the positive electrode of the voltage stabilizing diode D1 and the No. 23 pins of the satellite positioning navigation chip U1 are all connected with the VCC power supply.
The beneficial effects of the further scheme are as follows: the wireless location module circuit can generate the position information of the locomotive in real time.
Further: the voltage stabilizing circuit comprises a voltage stabilizing chip U6, a key switch SW2, a grounding capacitor 4, a grounding capacitor 5, a grounding capacitor 6, a grounding capacitor 7 and a grounding capacitor 8; the model of the voltage stabilizing chip U6 is AMS1117-3.3, and the model of the key switch SW2 is XKB 7070-Z;
wherein, No. 1 pin ground connection of steady voltage chip U6, No. 3 pin of steady voltage chip U6 respectively with ground capacitance C4, ground capacitance C8 and 5V power are connected, No. 2 pin of steady voltage chip U6 respectively with No. 4 pin, 3.3V power, 2 pin of key switch SW2 and the No. 5 pin of key switch SW2 of steady voltage chip U6 are connected, No. 1 pin of key switch SW2 respectively with No. 4 pin, ground capacitance C5, ground capacitance C6, ground capacitance C7 and VCC power are connected of key switch SW 2.
The beneficial effects of the further scheme are as follows: the voltage stabilizing circuit can adjust voltage and protect the circuit.
Further: the serial port communication circuit comprises an interface USB1, a USB-to-serial port chip U3, a resistor R7, a resistor R8 and a grounding capacitor C9; the type of the interface USB1 is MICRO, and the type of the USB-to-serial port chip U3 is CH 340E;
wherein, the No. 1 pin of the interface USB1 is connected with a 5V power supply, the No. 2 and No. 3 pins of the interface USB1 are respectively connected with the No. 2 and No. 1 pins of the USB serial port conversion chip U3 in a one-to-one correspondence manner, the No. 5 pin of the interface USB1 is grounded, the No. 3 pin of the USB-to-serial port chip U3 is grounded, the No. 7 pin of the USB serial-to-serial port chip U3 is respectively connected with the 3.3V power supply and the grounding capacitor C9, the No. 8 pin of the USB serial-to-serial port chip U3 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the No. 21 pin of the satellite positioning navigation chip U1, the No. 9 pin of the USB serial-to-serial port chip U3 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with the No. 20 pin of the satellite positioning and navigation chip U1, and the No. 10 pin of the USB-to-serial port chip U3 is connected with the 3.3V power supply.
The beneficial effects of the further scheme are as follows: the serial port communication circuit can convert signals transmitted by the USB interface into serial port signals, so that the satellite positioning navigation chip U1 can process the serial port signals.
Further: the antenna interface circuit comprises an antenna pedestal RF1, a capacitor C11 and an interface 8P; the type of the antenna pedestal RF1 is KH-IPEX 3-2020;
the pins No. 2, No. 3 and No. 4 of the antenna pedestal RF1 are all grounded, the pin No. 1 of the antenna pedestal RF1 is connected with one end of the capacitor C11, and the other end of the capacitor C11 is connected with the pin No. 11 of the satellite positioning and navigation chip U1;
the pin 1 of the interface 8P is grounded, and the pins 2 to 8 of the interface 8P are connected with the pins 8, 3, 6, 4, 18, 19 and 5 of the satellite positioning and navigation chip U1 in a one-to-one correspondence manner.
The beneficial effects of the further scheme are as follows: the antenna interface circuit can be connected with an antenna to accurately locate the current position.
The utility model has the beneficial effects that:
(1) the satellite positioning navigation chip U1 can download a GPS-Beidou positioning system, and can realize accurate positioning such as D-GNSS differential positioning, A-GNSS auxiliary positioning and the like.
(2) The intelligent remote monitoring platform can acquire the position, speed, course and attitude of the agricultural machinery in real time according to the position information, and can turn to reduce errors in time when the agricultural machinery deviates from a predefined path.
(3) The intelligent driving system of the agricultural machine can improve the production efficiency, reduce the manpower loss and realize the fine farming operation.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
Fig. 2 is a schematic circuit diagram of a wireless positioning module according to the present invention.
FIG. 3 is a schematic diagram of a voltage regulator circuit according to the present invention.
Fig. 4 is a schematic diagram of a serial communication circuit of the present invention.
Fig. 5 is a schematic diagram of an antenna interface circuit of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all changes that come within the meaning and range of equivalency of the claims are to be embraced therein.
As shown in fig. 1, in an embodiment of the utility model, an agricultural machinery intelligent driving system based on Beidou positioning comprises an intelligent remote monitoring platform and an automatic positioning driving agricultural machinery device, wherein the intelligent remote monitoring platform is in communication connection with the automatic positioning driving agricultural machinery device; the intelligent remote monitoring platform is used for processing positioning information sent by the automatic positioning driving agricultural machinery equipment and controlling the locomotive to run; the automatic positioning driving agricultural machinery equipment is used for sending the position information of the locomotive.
The automatic positioning driving agricultural machinery equipment comprises a wireless positioning module circuit, a voltage stabilizing circuit, a serial port communication circuit and an antenna interface circuit; the wireless positioning module circuit is respectively connected with the serial port communication circuit, the voltage stabilizing circuit and the antenna interface circuit, and the voltage stabilizing circuit is connected with the serial port communication circuit and the antenna interface circuit.
The 5G cellular network of the intelligent remote monitoring platform supports multi-bandwidth receiving and sending by adopting high-frequency millimeter wave communication, almost transmits in a straight path mode, has high resolution and is easy to realize higher-precision distance measurement and angle measurement.
As shown in fig. 2, in an embodiment of the present invention, the wireless positioning module circuit includes a satellite positioning navigation chip U1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a light emitting diode IPPS, a light emitting diode V-RF, a zener diode D1, an antenna pedestal RF, a connector H3, an inductor L1, a capacitor C1, a capacitor C2, a grounded capacitor C3, a grounded capacitor C10, and a switch RST; the satellite positioning navigation chip U1 is E108-GN01 in model, and the antenna pedestal RF is 5-1814832-1 in model;
wherein, the pin 3 of the satellite positioning navigation chip U1 is connected to one end of the grounded capacitor C3 and one end of the resistor R4, the other end of the resistor R4 is connected to the anode of the led IPPS, the cathode of the led IPPS is connected to the pins 1, 2, 4 and 5 of the antenna pedestal RF and grounded, the pin 10 of the satellite positioning navigation chip U1 is grounded, the pin 11 of the satellite positioning navigation chip U1 is connected to one end of the resistor R1 and one end of the inductor L1, the other end of the resistor R1 is connected to the pin 3 of the antenna pedestal RF, the pin 12 of the satellite positioning navigation chip U1 is connected to one end of the capacitor C1 and one end of the capacitor C2 and grounded, the other end of the inductor L1 is connected to the other end of the capacitor C1, the other end of the capacitor C2, one end of the resistor R363985 and one end of the connector H38, the other end of the connector H3 is connected with a No. 9 pin of the satellite positioning and navigation chip U1, the other end of the resistor R3 is connected with the anode of the light-emitting diode V-RF, and the cathode of the light-emitting diode V-RF is grounded;
a pin 8 of the satellite positioning and navigation chip U1 is respectively connected with one end of the resistor R2 and a pin 2 of the switch RST, the other end of the resistor R2 is connected with a VCC power supply, and a pin 1 of the switch RST is grounded; no. 13 and No. 24 pins of the satellite positioning navigation chip U1 are all grounded, No. 22 pins of the satellite positioning navigation chip U1 are respectively connected with a grounding capacitor C10 and the negative electrode of a voltage stabilizing diode D1, and the positive electrode of the voltage stabilizing diode D1 and the No. 23 pins of the satellite positioning navigation chip U1 are all connected with the VCC power supply.
The satellite positioning navigation chip U1 of the utility model supports NMEA0183V4.1 and previous versions, the maximum fixed updating frequency can reach 10Hz, and the GPS-Beidou positioning system can be downloaded through a serial port communication circuit.
In this embodiment, three beacon points for positioning are arranged around the automatic positioning driving agricultural equipment, and the position information of the automatic positioning driving agricultural equipment is accurately judged in a three-point positioning mode.
As shown in fig. 3, in an embodiment of the present invention, the voltage stabilizing circuit includes a voltage stabilizing chip U6, a key switch SW2, a grounded capacitor 4, a grounded capacitor 5, a grounded capacitor 6, a grounded capacitor 7 and a grounded capacitor 8; the model of the voltage stabilizing chip U6 is AMS1117-3.3, and the model of the key switch SW2 is XKB 7070-Z;
wherein, No. 1 pin ground connection of steady voltage chip U6, No. 3 pin of steady voltage chip U6 respectively with ground capacitance C4, ground capacitance C8 and 5V power are connected, No. 2 pin of steady voltage chip U6 respectively with No. 4 pin, 3.3V power, 2 pin of key switch SW2 and the No. 5 pin of key switch SW2 of steady voltage chip U6 are connected, No. 1 pin of key switch SW2 respectively with No. 4 pin, ground capacitance C5, ground capacitance C6, ground capacitance C7 and VCC power are connected of key switch SW 2.
As shown in fig. 4, in an embodiment of the present invention, the serial communication circuit includes an interface USB1, a USB to serial chip U3, a resistor R7, a resistor R8, and a ground capacitor C9; the type of the interface USB1 is MICRO, and the type of the USB-to-serial port chip U3 is CH 340E;
wherein, the No. 1 pin of the interface USB1 is connected with a 5V power supply, the No. 2 and No. 3 pins of the interface USB1 are respectively connected with the No. 2 and No. 1 pins of the USB serial port conversion chip U3 in a one-to-one correspondence manner, the No. 5 pin of the interface USB1 is grounded, the No. 3 pin of the USB-to-serial port chip U3 is grounded, the No. 7 pin of the USB serial-to-serial port chip U3 is respectively connected with the 3.3V power supply and the grounding capacitor C9, the No. 8 pin of the USB serial-to-serial port chip U3 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the No. 21 pin of the satellite positioning navigation chip U1, the No. 9 pin of the USB serial-to-serial port chip U3 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with the No. 20 pin of the satellite positioning and navigation chip U1, and the No. 10 pin of the USB-to-serial port chip U3 is connected with the 3.3V power supply.
As shown in fig. 5, in one embodiment of the present invention, the antenna interface circuit includes an antenna pedestal RF1, a capacitor C11, an interface 8P; the type of the antenna pedestal RF1 is KH-IPEX 3-2020; the model of the antenna is TXGB-JKD-20;
the pins No. 2, No. 3 and No. 4 of the antenna pedestal RF1 are all grounded, the pin No. 1 of the antenna pedestal RF1 is connected with one end of the capacitor C11, and the other end of the capacitor C11 is connected with the pin No. 11 of the satellite positioning and navigation chip U1;
the pin 1 of the interface 8P is grounded, and the pins 2 to 8 of the interface 8P are connected with the pins 8, 3, 6, 4, 18, 19 and 5 of the satellite positioning and navigation chip U1 in a one-to-one correspondence manner.
The system of the utility model has the working process that: the automatic positioning driving agricultural equipment is arranged on the locomotive, a serial port communication circuit downloads a GPS-Beidou positioning system from the automatic positioning driving agricultural equipment, the position information of the locomotive is obtained in real time through a wireless positioning module circuit and is sent to the intelligent remote monitoring platform through an antenna interface circuit, the intelligent remote monitoring platform can process the position information of the locomotive obtained in real time to obtain the position, the speed, the course and the posture information of the locomotive, the locomotive is monitored to run on a preset path, the locomotive is controlled to turn when the locomotive deviates from the preset path, a preset running path is returned, and the automatic running of the locomotive is completed.
The utility model has the beneficial effects that: the satellite positioning navigation chip U1 can download a GPS-Beidou positioning system, and can realize accurate positioning such as D-GNSS differential positioning, A-GNSS auxiliary positioning and the like. The intelligent remote monitoring platform can acquire the position, speed, course and attitude information of the agricultural machinery in real time according to the position information, and can turn to reduce errors in time when the agricultural machinery deviates from a predefined path. The intelligent driving system of the agricultural machine can improve the production efficiency, reduce the manpower loss and realize the fine farming operation.
In the description of the present invention, it is to be understood that the terms "center", "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "radial", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or an implicit indication of the number of technical features. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
Claims (5)
1. An agricultural machinery intelligent driving system based on Beidou positioning is characterized by comprising an intelligent remote monitoring platform and automatic positioning driving agricultural machinery equipment, wherein the intelligent remote monitoring platform is in communication connection with the automatic positioning driving agricultural machinery equipment;
the automatic positioning driving agricultural machinery equipment comprises a wireless positioning module circuit, a voltage stabilizing circuit, a serial port communication circuit and an antenna interface circuit; the wireless positioning module circuit is respectively connected with the serial port communication circuit, the voltage stabilizing circuit and the antenna interface circuit, and the voltage stabilizing circuit is connected with the serial port communication circuit and the antenna interface circuit.
2. The agricultural machinery intelligent driving system based on Beidou positioning according to claim 1, wherein the wireless positioning module circuit comprises a satellite positioning navigation chip U1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a light emitting diode IPPS, a light emitting diode V-RF, a voltage stabilizing diode D1, an antenna pedestal RF, a connector H3, an inductor L1, a capacitor C1, a capacitor C2, a grounded capacitor C3, a grounded capacitor C10 and a switch RST; the satellite positioning navigation chip U1 is E108-GN01 in model, and the antenna pedestal RF is 5-1814832-1 in model;
wherein, the pin 3 of the satellite positioning navigation chip U1 is connected to one end of the grounded capacitor C3 and one end of the resistor R4, the other end of the resistor R4 is connected to the anode of the led IPPS, the cathode of the led IPPS is connected to the pins 1, 2, 4 and 5 of the antenna pedestal RF and grounded, the pin 10 of the satellite positioning navigation chip U1 is grounded, the pin 11 of the satellite positioning navigation chip U1 is connected to one end of the resistor R1 and one end of the inductor L1, the other end of the resistor R1 is connected to the pin 3 of the antenna pedestal RF, the pin 12 of the satellite positioning navigation chip U1 is connected to one end of the capacitor C1 and one end of the capacitor C2 and grounded, the other end of the inductor L1 is connected to the other end of the capacitor C1, the other end of the capacitor C2, one end of the resistor R363985 and one end of the connector H38, the other end of the connector H3 is connected with a No. 9 pin of the satellite positioning and navigation chip U1, the other end of the resistor R3 is connected with the anode of the light-emitting diode V-RF, and the cathode of the light-emitting diode V-RF is grounded;
a pin 8 of the satellite positioning and navigation chip U1 is respectively connected with one end of the resistor R2 and a pin 2 of the switch RST, the other end of the resistor R2 is connected with a VCC power supply, and a pin 1 of the switch RST is grounded; no. 13 and No. 24 pins of the satellite positioning navigation chip U1 are all grounded, No. 22 pins of the satellite positioning navigation chip U1 are respectively connected with a grounding capacitor C10 and the negative electrode of a voltage stabilizing diode D1, and the positive electrode of the voltage stabilizing diode D1 and the No. 23 pins of the satellite positioning navigation chip U1 are all connected with the VCC power supply.
3. The agricultural machinery intelligent driving system based on Beidou positioning according to claim 1, wherein the voltage stabilizing circuit comprises a voltage stabilizing chip U6, a key switch SW2, a grounded capacitor 4, a grounded capacitor 5, a grounded capacitor 6, a grounded capacitor 7 and a grounded capacitor 8; the model of the voltage stabilizing chip U6 is AMS1117-3.3, and the model of the key switch SW2 is XKB 7070-Z;
wherein, No. 1 pin ground connection of steady voltage chip U6, No. 3 pin of steady voltage chip U6 respectively with ground capacitance C4, ground capacitance C8 and 5V power are connected, No. 2 pin of steady voltage chip U6 respectively with No. 4 pin, 3.3V power, 2 pin of key switch SW2 and the No. 5 pin of key switch SW2 of steady voltage chip U6 are connected, No. 1 pin of key switch SW2 respectively with No. 4 pin, ground capacitance C5, ground capacitance C6, ground capacitance C7 and VCC power are connected of key switch SW 2.
4. The agricultural machinery intelligent driving system based on Beidou positioning according to claim 2, wherein the serial port communication circuit comprises an interface USB1, a USB-to-serial port chip U3, a resistor R7, a resistor R8 and a grounding capacitor C9; the type of the interface USB1 is MICRO, and the type of the USB-to-serial port chip U3 is CH 340E;
wherein, the No. 1 pin of the interface USB1 is connected with a 5V power supply, the No. 2 and No. 3 pins of the interface USB1 are respectively connected with the No. 2 and No. 1 pins of the USB serial port conversion chip U3 in a one-to-one correspondence manner, the No. 5 pin of the interface USB1 is grounded, the No. 3 pin of the USB-to-serial port chip U3 is grounded, the No. 7 pin of the USB serial-to-serial port chip U3 is respectively connected with the 3.3V power supply and the grounding capacitor C9, the No. 8 pin of the USB serial-to-serial port chip U3 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the No. 21 pin of the satellite positioning navigation chip U1, the No. 9 pin of the USB serial-to-serial port chip U3 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with the No. 20 pin of the satellite positioning navigation chip U1, and the No. 10 pin of the USB-to-serial port chip U3 is connected with the 3.3V power supply.
5. The agricultural machinery intelligent driving system based on Beidou positioning according to claim 2, wherein the antenna interface circuit comprises an antenna pedestal RF1, a capacitor C11, an interface 8P; the type of the antenna pedestal RF1 is KH-IPEX 3-2020; the antenna pedestal RF1 is in communication connection with the intelligent remote monitoring platform through an antenna;
the pins No. 2, No. 3 and No. 4 of the antenna pedestal RF1 are all grounded, the pin No. 1 of the antenna pedestal RF1 is connected with one end of the capacitor C11, and the other end of the capacitor C11 is connected with the pin No. 11 of the satellite positioning and navigation chip U1;
the pin 1 of the interface 8P is grounded, and the pins 2 to 8 of the interface 8P are connected with the pins 8, 3, 6, 4, 18, 19 and 5 of the satellite positioning and navigation chip U1 in a one-to-one correspondence manner.
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Cited By (1)
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CN114675578A (en) * | 2022-03-23 | 2022-06-28 | 深圳市深台科科技有限公司 | Intelligent monitoring system of industrial smelting furnace |
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