CN206283496U - Agricultural machinery small intelligent terminal based on Internet of Things - Google Patents
Agricultural machinery small intelligent terminal based on Internet of Things Download PDFInfo
- Publication number
- CN206283496U CN206283496U CN201621298395.9U CN201621298395U CN206283496U CN 206283496 U CN206283496 U CN 206283496U CN 201621298395 U CN201621298395 U CN 201621298395U CN 206283496 U CN206283496 U CN 206283496U
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- Prior art keywords
- module
- power supply
- agricultural machinery
- filter capacitor
- chip
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Abstract
The utility model is related to a kind of agricultural machinery small intelligent terminal based on Internet of Things, including master chip, power module, locating module and wireless communication module, the power module, locating module and wireless communication module are connected with master chip, also include collection transponder chip, the collection transponder chip includes CAN transponder chip and 485 general line system chips, the CAN transponder chip is connected to power set signal acquisition terminal and the collecting sensor signal end of agricultural machinery, it is characterized in that, the power module includes battery module, main board power supply drive circuit, subplate powered drive circuit and vehicle-mounted charge circuit.The utility model compact, can plug sim card networking, power module can support that outside 12~24V of agricultural machinery powers, independent lithium battery power supply is set on intelligent terminal, the powered drive circuit of GPS module, GPRS module and CPU module is separated into power supply, it is ensured that modules operating current stability.
Description
Technical field
The utility model is related to sensor technical field, more particularly to a kind of agricultural machinery small intelligent end based on Internet of Things
End.
Background technology
China is large agricultural country, but most agricultural productions are completed by manual labor substantially, is sowed in such as most rural areas, is applied
Fertilizer, irrigate and harvesting etc. operation, rely primarily on pure manual labor, so not only efficiency is low, and influence crops growth and
Harvest.Even if some places realize Mechanization sowing and harvesting, generally it is also required to manpower and coordinates, and the machinery such as sowing and harvesting
Change operation independent of one another, do not link together reasonably, also have impact on efficiency and the production cycle of agricultural mechanical operation.
Existing agricultural machinery intelligent terminal volume is larger, relatively heavier, does not apply on the miniature farm machinery of special operation.Separately
Outward, for due to the intersecting majority high-performance master chips of use master chip, there is no independent memory block, amount of storage is relatively low, due to another
Cost can be increased if outer configuration memory.Intelligent terminal can cause storehouse amount larger, when long after the increase of gathered data amount
Between storehouse amount conference partial data overflow, the packet that host computer is received there may be the problem of loss.
The invention provides a kind of agricultural machinery small intelligent terminal based on Internet of Things, the utility model compact is integrated
GPS module platelet and GPRS module platelet, can plug sim card networking, power module can support that outside 12~24V of agricultural machinery powers,
Independent lithium battery power supply is set on intelligent terminal, when solving agricultural machinery and not going up electricity, intelligent terminal cannot gathered data ask
Topic, in addition, power supply of the power supply of GPS module, GPRS module and CPU using discrete, because the input voltage 3.3V of GPS module
70 milliamperes of electric current is needed, is belonged to larger current and is powered；And the input voltage 3.3V of CPU module needs 5 milliamperes of electric current, so
If the 3.3V of GPS module and CPU module powers and connects same 3.3V and power, CPU module can power more than rated current and burn out.
The utility model separates the powered drive circuit of GPS module, GPRS module and CPU module, it is ensured that modules work
Current stability.Increase power supply output control circuit, analyzed by power supply output control circuit by whether agricultural machinery goes up electricity, if agriculture
Electricity on machine, then by agricultural machinery to main board power supply, while detecting electric quantity of lithium battery, if electric quantity of lithium battery is discontented, give lithium battery simultaneously
Charge, if electric quantity of lithium battery is full, only powered to mainboard and platelet.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of agricultural machinery small intelligent terminal based on Internet of Things, the
One, the utility model compact, integrated GPS module platelet and GPRS module platelet, can plug sim card networking, power module can
To support that outside 12~24V of agricultural machinery powers, independent lithium battery power supply is set on intelligent terminal, is solved agricultural machinery and is not gone up electricity
When, intelligent terminal cannot gathered data problem.Second, the power supply of GPS module, GPRS module and CPU uses the confession of discrete
Electricity, because the input voltage 3.3V of GPS module needs 70 milliamperes of electric current, belongs to larger current and powers；And the input of CPU module
Voltage 3.3V needs 5 milliamperes of electric current, if so the 3.3V of GPS module and CPU module powers and connects same 3.3V and power,
CPU module can power more than rated current and burn out.3rd, by the powered drive circuit of GPS module, GPRS module and CPU module
Separate, it is ensured that modules operating current stability.Increase power supply output control circuit, by power supply output control circuit
To analyze by whether agricultural machinery goes up electricity, if electricity on agricultural machinery, by agricultural machinery to main board power supply, while electric quantity of lithium battery is detected, if lithium is electric
Pond electricity is discontented with, then give lithium cell charging simultaneously, if electric quantity of lithium battery is full, is only powered to mainboard and platelet, prevents agricultural machinery not
Upper electric intelligent terminal cannot gathered data problem.
The utility model solves the technical scheme that its technical problem used：
Agricultural machinery small intelligent terminal based on Internet of Things, including master chip, power module, locating module and wireless telecommunications mould
Block, the power module, locating module and wireless communication module are connected with master chip, also including collection transponder chip, institute
Stating collection transponder chip includes CAN transponder chip and 485 general line system chips, the CAN transponder chip
It is connected to power set signal acquisition terminal and the collecting sensor signal end of agricultural machinery, it is characterised in that the power module bag
Include battery module, main board power supply drive circuit, subplate powered drive circuit and vehicle-mounted charge circuit.
Further, the battery module includes battery activation circuit, battery and power supply output control circuit.
Further, the main board power supply drive circuit includes CPU module power supply circuit, the CPU module power supply circuit
It is connected with power supply output control circuit, the power supply output control circuit and vehicle-mounted charge circuit are connected.
Further, the subplate powered drive circuit includes GPS powered drive circuits, GPRS powered drive circuits, institute
State GPS powered drive circuits, GPRS powered drive circuits to be connected with power supply output control circuit, the power supply output control electricity
Road is connected with vehicle-mounted charge circuit.
Further, the battery activation circuit include battery power chip U6, sustained diode 3, filter inductance L2,
Filter capacitor C17, sampling resistor R27, filter capacitor C15, filter capacitor C14, filter capacitor C12, filter capacitor C13 filtered electricals
Hold C11 compositions.
Further, the power supply output control circuit include control chip U9, pull down resistor R42, filter capacitor C51,
Polar capacitor C49 and filter capacitor C50.
Further, the vehicle-mounted charge circuit includes charging chip U7, sustained diode 4, sustained diode 6, continuous
Stream inductance L2, diode D5, polar capacitor C45, divider resistance R37, divider resistance R41, filter capacitor C44 and filter capacitor
C43。
Further, the CPU module power supply circuit includes sustained diode 7, sustained diode 8, filter capacitor
C16, divider resistance R20, divider resistance R21, filter inductance L1, filter capacitor C24, filter capacitor C27, filter capacitor C26, on
Pull-up resistor R22.
Further, the GPRS powered drive circuits include driving chip U8, filter capacitor C46, filter capacitor C47,
Divider resistance R38, divider resistance R40, sampling capacitance C16 compositions.
Further, the master chip uses ST32F103CBT6, the CAN transponder chip to use TJA1050T
Chip, the 485 general line system chip uses max485csa chips or SN65HVI chips or D485ED chips.
Further, the locating module uses d GPS locating module, and the wireless communication module uses GPRS wireless telecommunications
Module, the d GPS locating module and GPRS wireless communication modules are arranged at extending out on pcb board.
Further, the power pins of the master chip connect the 3.3V power supplys of power module, and the DSC2 of the master chip draws
Pin and DSC3 pins connect the CP pulse generating circuits of CPU, and the VDDA pins and VSSA pins of the master chip connect power supply respectively
Module and ground connection, the RESET pins of the master chip connect reset circuit, RX pins and TX the pins difference of the master chip
The RX pins and TX pins of 485 general line system chips are connected to, the RX2 pins and TX2 pins of the master chip are respectively connecting to
The RX2 pins and TX2 pins of d GPS locating module, it is wireless that the RX3 pins and TX3 pins of the master chip are respectively connecting to GPRS
The RX3 pins and TX3 pins of communication module, 33 pins and 32 pins of the master chip are connected to CAN transponder chip
TX pins and RX pins.
Further, the CP pulse generating circuits crystal oscillator U2 and the resistance being connected in parallel on crystal oscillator U2
R4, and it is connected to the crystal oscillator starting of oscillation electric capacity C5 and crystal oscillator starting of oscillation electric capacity at crystal oscillator U2 two ends
C6。
Further, the pin 2 of the 485 general line system chip and the connection Enable Pin of pin 3,485 general line system
The VCC pin of chip is connected to the 5V power supplys of power module, the RS485A+ pins and RS485- of the 485 general line system chip
Pin is connected to RS485 output ports, is connected between the RS485A+ pins and RS485- pins of the 485 general line system chip
There is resistance R2.
Further, the TX pins and RX pins of the CAN transponder chip be connected to master chip 32 pins and
33 pins, the GND pin ground connection of the CAN transponder chip, the VCC pin connection of the CAN transponder chip
To 5V power supplys, the reset pin of the CAN transponder chip is connected to reset circuit, the CAN2H pins of the CAN
CAN incoming end is connected to CAN2L pins.
Further, the 485 bus transceiver chip be program it is burned extend out interface.
Further, also including master chip electrification reset circuit, the master chip electrification reset circuit is accessed including signal
Resistance R5 and reset capacitance C7.
Further, also including master chip work display circuit, the master chip work display circuit includes red two pole
Pipe access pin, green diode access pin, LED accesses socket, diode D1, resistance R3, the LED access the red of socket
Color diode accesses pin and is connected to the green diode access pin that the REDLED pins of master chip, the LED access socket
The GREENLED pins of master chip are connected to, the pin 2 that the LED accesses socket is connected to resistance R3, the diode D1 companies
It is connected to green diode and accesses pin.
Further, the CAN transponder chip pick out on socket P2 also include be connected on CAN2H leads and
Resistance R6 between CAN2L leads.
Beneficial effect
As a result of above-mentioned technical scheme, the utility model compared with prior art, has the following advantages that and accumulates
Pole effect：
First, the utility model compact, integrated GPS module platelet and GPRS module platelet, can plug sim card networking,
Power module can support that outside 12~24V of agricultural machinery powers, and independent lithium battery power supply is set on intelligent terminal, solve agriculture
When machine does not go up electricity, intelligent terminal cannot gathered data problem.Second, the power supply of GPS module, GPRS module and CPU is used and divided
Vertical power supply, because the input voltage 3.3V of GPS module needs 70 milliamperes of electric current, belongs to larger current and powers；And CPU moulds
The input voltage 3.3V of block needs 5 milliamperes of electric current, if connection is same so the 3.3V of GPS module and CPU module powers
3.3V powers, and CPU module can power more than rated current and burn out.3rd, by the power supply of GPS module, GPRS module and CPU module
Drive circuit is separated, it is ensured that modules operating current stability.Increase power supply output control circuit, exported by power supply
Circuit is controlled to analyze by whether agricultural machinery goes up electricity, if electricity on agricultural machinery, by agricultural machinery to main board power supply, while detecting lithium battery
Amount, if electric quantity of lithium battery is discontented, gives lithium cell charging simultaneously, if electric quantity of lithium battery is full, is only powered to mainboard and platelet, prevents
Only agricultural machinery do not go up electric intelligent terminal cannot gathered data problem.
Brief description of the drawings
Fig. 1 is the circuit diagram of battery activation circuit of the present utility model.
Fig. 2 is the circuit diagram of vehicle-mounted charge circuit of the present utility model.
Fig. 3 is the circuit diagram of GPS powered drive circuits of the present utility model.
Fig. 4 is the circuit diagram of power supply output control circuit of the present utility model.
Fig. 5 is the circuit diagram of the utility model GPRS powered drive circuits.
Fig. 6 is the circuit diagram of CPU module power supply circuit of the present utility model.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
Implementation method of the present utility model：
Referring to Fig. 1~Fig. 6, the agricultural machinery small intelligent terminal based on Internet of Things, including master chip, power module, positioning mould
Block and wireless communication module, the power module, locating module and wireless communication module are connected with master chip, also including collection
Transponder chip, the collection transponder chip includes CAN transponder chip and 485 general line system chips, and the CAN is total
Line transceiver chip is connected to power set signal acquisition terminal and the collecting sensor signal end of agricultural machinery, it is characterised in that institute
Stating power module includes battery module, main board power supply drive circuit, subplate powered drive circuit and vehicle-mounted charge circuit.
As the presently preferred embodiments, the battery module includes battery activation circuit, battery and power supply output control circuit.
As the presently preferred embodiments, the main board power supply drive circuit includes CPU module power supply circuit, and the CPU module is supplied
Circuit is connected with power supply output control circuit, and the power supply output control circuit and vehicle-mounted charge circuit are connected.
As the presently preferred embodiments, the subplate powered drive circuit is powered including GPS powered drive circuits, GPRS and drives electricity
Road, the GPS powered drive circuits, GPRS powered drive circuits are connected with power supply output control circuit, the power supply output
Control circuit is connected with vehicle-mounted charge circuit.
As the presently preferred embodiments, the battery activation circuit includes battery power chip U6, sustained diode 3, filtered electrical
Sense L2, filter capacitor C17, sampling resistor R27, filter capacitor C15, filter capacitor C14, filter capacitor C12, filter capacitor C13
Filter capacitor C11 is constituted.
As the presently preferred embodiments, the power supply output control circuit includes control chip U9, pull down resistor R42, filtered electrical
Hold C51, polar capacitor C49 and filter capacitor C50.
As the presently preferred embodiments, the vehicle-mounted charge circuit includes charging chip U7, sustained diode 4, fly-wheel diode
D6, afterflow inductance L2, diode D5, polar capacitor C45, divider resistance R37, divider resistance R41, filter capacitor C44 and filtering
Electric capacity C43.
As the presently preferred embodiments, the CPU module power supply circuit includes sustained diode 7, sustained diode 8, filtering
Electric capacity C16, divider resistance R20, divider resistance R21, filter inductance L1, filter capacitor C24, filter capacitor C27, filter capacitor
C26, pull-up resistor R22.
As the presently preferred embodiments, the GPRS powered drive circuits include driving chip U8, filter capacitor C46, filtered electrical
Hold C47, divider resistance R38, divider resistance R40, sampling capacitance C16 compositions.
As the presently preferred embodiments, the master chip uses ST32F103CBT6, the CAN transponder chip to use
TJA1050T chips, the 485 general line system chip uses max485csa chips or SN65HVI chips or D485ED chips.
As the presently preferred embodiments, the locating module uses d GPS locating module, the wireless communication module using GPRS without
Line communication module, the d GPS locating module and GPRS wireless communication modules are arranged at extending out on pcb board.
As the presently preferred embodiments, the power pins of the master chip connect the 3.3V power supplys of power module, the master chip
DSC2 pins and DSC3 pins connect the CP pulse generating circuits of CPU, VDDA pins and VSSA the pins difference of the master chip
Power module and ground connection are connect, the RESET pins of the master chip connect reset circuit, and the RX pins and TX of the master chip draw
Pin is respectively connecting to the RX pins and TX pins of 485 general line system chips, RX2 pins and TX2 the pins difference of the master chip
The RX2 pins and TX2 pins of d GPS locating module are connected to, the RX3 pins and TX3 pins of the master chip are respectively connecting to
The RX3 pins and TX3 pins of GPRS wireless communication modules, 33 pins and 32 pins of the master chip are connected to CAN receipts
Send out the TX pins and RX pins of device chip.
As the presently preferred embodiments, the CP pulse generating circuits crystal oscillator U2 and it is connected in parallel on crystal oscillator U2
Resistance R4, and it is connected to the crystal oscillator starting of oscillation electric capacity C5 and crystal oscillator starting of oscillation electricity at crystal oscillator U2 two ends
Hold C6.
As the presently preferred embodiments, the pin 2 of the 485 general line system chip and the connection Enable Pin of pin 3, described 485 is total
The VCC pin of line conversion chip is connected to the 5V power supplys of power module, the RS485A+ pins of the 485 general line system chip and
RS485- pins are connected to RS485 output ports, the RS485A+ pins and RS485- pins of the 485 general line system chip it
Between be connected with resistance R2.
As the presently preferred embodiments, the TX pins and RX pins of the CAN transponder chip are connected to the 32 of master chip
Pin and 33 pins, the GND pin ground connection of the CAN transponder chip, the VCC of the CAN transponder chip draw
Pin is connected to 5V power supplys, and the reset pin of the CAN transponder chip is connected to reset circuit, the CAN
CAN2H pins and CAN2L pins are connected to CAN incoming end.
As the presently preferred embodiments, the 485 bus transceiver chip be program it is burned extend out interface.
As the presently preferred embodiments, also including master chip electrification reset circuit, the master chip electrification reset circuit includes letter
Number access resistance R5 and reset capacitance C7.
As the presently preferred embodiments, also including master chip work display circuit, the master chip work display circuit includes red
Color diode access pin, green diode access pin, LED and access socket, diode D1, resistance R3, and the LED accesses are inserted
The red diode access pin of seat is connected to the REDLED pins of master chip, the green diode of LED access sockets and connects
Enter the GREENLED pins that pin is connected to master chip, the pin 2 that the LED accesses socket is connected to resistance R3, two pole
Pipe D1 is connected to green diode and accesses pin.
As the presently preferred embodiments, picking out for the CAN transponder chip also draw including being connected on CAN2H on socket P2
Resistance R6 between line and CAN2L leads.
Claims (9)
1. the agricultural machinery small intelligent terminal of Internet of Things, including master chip, power module, locating module and wireless telecommunications mould are based on
Block, the power module, locating module and wireless communication module are connected with master chip, also including collection transponder chip, institute
Stating collection transponder chip includes CAN transponder chip and 485 general line system chips, the CAN transponder chip
It is connected to power set signal acquisition terminal and the collecting sensor signal end of agricultural machinery, it is characterised in that the power module bag
Include battery module, main board power supply drive circuit, subplate powered drive circuit and vehicle-mounted charge circuit.
2. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 1, it is characterised in that the battery module
Including battery activation circuit, battery and power supply output control circuit.
3. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 1, it is characterised in that the main board power supply
Drive circuit includes CPU module power supply circuit, and the CPU module power supply circuit is connected with power supply output control circuit, the electricity
Source output control circuit and vehicle-mounted charge circuit are connected.
4. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 2, it is characterised in that the subplate is powered
Drive circuit includes GPS powered drive circuits, GPRS powered drive circuits, and the GPS powered drive circuits, GPRS power driving
Circuit is connected with power supply output control circuit, and the power supply output control circuit is connected with vehicle-mounted charge circuit.
5. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 4, it is characterised in that the battery power
Circuit includes battery power chip U6, sustained diode 3, filter inductance L2, filter capacitor C17, sampling resistor R27, filtered electrical
Hold C15, filter capacitor C14, filter capacitor C12, filter capacitor C13 filter capacitors C11 compositions.
6. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 5, it is characterised in that the power supply output
Control circuit includes control chip U9, pull down resistor R42, filter capacitor C51, polar capacitor C49 and filter capacitor C50.
7. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 1, it is characterised in that the vehicle-mounted charge
Circuit include charging chip U7, sustained diode 4, sustained diode 6, afterflow inductance L2, diode D5, polar capacitor C45,
Divider resistance R37, divider resistance R41, filter capacitor C44 and filter capacitor C43.
8. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 3, it is characterised in that the CPU module
Power supply circuit includes sustained diode 7, sustained diode 8, filter capacitor C16, divider resistance R20, divider resistance R21, filter
Ripple inductance L1, filter capacitor C24, filter capacitor C27, filter capacitor C26, pull-up resistor R22.
9. the agricultural machinery small intelligent terminal based on Internet of Things according to claim 4, it is characterised in that the GPRS powers
Drive circuit includes driving chip U8, filter capacitor C46, filter capacitor C47, divider resistance R38, divider resistance R40, sampling electricity
Hold C16 compositions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298395.9U CN206283496U (en) | 2016-11-30 | 2016-11-30 | Agricultural machinery small intelligent terminal based on Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621298395.9U CN206283496U (en) | 2016-11-30 | 2016-11-30 | Agricultural machinery small intelligent terminal based on Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283496U true CN206283496U (en) | 2017-06-27 |
Family
ID=59074321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621298395.9U Expired - Fee Related CN206283496U (en) | 2016-11-30 | 2016-11-30 | Agricultural machinery small intelligent terminal based on Internet of Things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206283496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018504A (en) * | 2019-04-19 | 2019-07-16 | 丰疆智能科技研究院(常州)有限公司 | Farm machinery management system and farm machinery management method based on GPS positioning |
-
2016
- 2016-11-30 CN CN201621298395.9U patent/CN206283496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110018504A (en) * | 2019-04-19 | 2019-07-16 | 丰疆智能科技研究院(常州)有限公司 | Farm machinery management system and farm machinery management method based on GPS positioning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20181130 |