CN104615035B - A kind of Internet of Things application circuit - Google Patents
A kind of Internet of Things application circuit Download PDFInfo
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- CN104615035B CN104615035B CN201410759599.7A CN201410759599A CN104615035B CN 104615035 B CN104615035 B CN 104615035B CN 201410759599 A CN201410759599 A CN 201410759599A CN 104615035 B CN104615035 B CN 104615035B
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- serial ports
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Information Transfer Systems (AREA)
- Dc Digital Transmission (AREA)
Abstract
A kind of Internet of Things application circuit, which is characterized in that turn 232 circuits, ZigBee circuits, serial ports switching switching circuit and RS232 circuits including power circuit, MCU circuits, USB；MCU circuits pass through three kinds of mode communication with the outside world：Turn 232 circuits by USB to be communicated with host computer；Switch switching circuit connection ZigBee circuits by serial ports to be communicated；Switch switching circuit by serial ports to be communicated by common serial ports RS232.Beneficial effects of the present invention are：Circuit structure is simple, and overall cost-effective performance is higher, provides a kind of simple and effective Internet of Things application circuit.
Description
Technical field
The present invention relates to application circuit field, especially a kind of Internet of Things application circuit.
Background technology
For internet-of-things terminal using more and more extensive, corresponding circuit form is more and more diversified.It is in the prior art various
Internet of Things application circuit circuit structure is complicated, and more using component, overall cost-effective performance is relatively low.
Invention content
The present invention provides a kind of Internet of Things application circuit, including power circuit, MCU circuits, USB turn 232 circuits, ZigBee
Circuit, serial ports switching switching circuit and common serial ports RS232；MCU circuits pass through three kinds of mode communication with the outside world：Turned by USB
232 circuits are communicated with host computer；Switch switching circuit connection ZigBee circuits by serial ports to be communicated；It is cut by serial ports
Switching circuit is changed to be communicated with common serial ports RS232.
Preferably, turn the circuit that 232 circuits are communicated with host computer by USB to be specifically connected as：The 4th of MCU circuits
12 pins, the 40th three-prong are separately connected the 5th pin and the first pin that USB turns 232 circuits；USB turns 232 circuits
15th pin turns the tenth of 232 circuits by the third pins of the USB_232 modules in resistance R5 connection power circuits, USB
The second pin that six pins pass through the USB_232 modules in resistance R6 connection power circuits.
Preferably, the circuit that switching circuit connection ZigBee circuits are communicated is switched by serial ports and is specifically connected as MCU
16th pin of circuit switches the second pin of switching circuit, the 17th pin of MCU circuits by resistance R39 connection serial ports
Switch the 7th pin of switching circuit by resistance R37 connection serial ports；Serial ports switches the 4th pin and the 5th pipe of switching circuit
Foot connects the 7th pin and the 9th pin of ZigBee circuits.
Preferably, switch switching circuit by serial ports to be specifically connected as with the common serial ports RS232 circuits communicated：String
The 12nd pin and the 11st pin of the 4th pin and the 5th pin connection ZigBee circuits of mouth switching switching circuit；
Preferably, power circuit includes USB module, USB-232 modules and COM1 modules；First pin of USB module
Connect the D/C voltage of+5V；Second pin concatenates 3rd resistor R3；Third pin simultaneously meets first resistor R1 and second resistance R2, wherein
The VCC voltages of first resistor R1 connections+3.3V；5th pin is grounded after meeting the first fuse FUSE1；The of USB-232 modules
One pin connects the D/C voltage of+5V；Second pin concatenates the 6th resistance R6；Third pin simultaneously connects the 5th resistance R5 and the 4th resistance
R4, wherein the VCC voltages of the 4th resistance R4 connections+3.3V；5th pin passes through the first fuse FUSE1 ground connection；COM1 circuits
First pin of module connects the D/C voltage of+5V；Second pin is grounded；Third pin is grounded.
First pin of USB module is sequentially connected second fuse FUSE2, Power module, diode SS14, U1 module
It is followed by the 4th capacitance C4 ground connection；Ground connection, second after the first diode D1 are connect between the first pin and Power modules of USB respectively
It is grounded after diode D2；It is grounded, after the second capacitance C2 after meeting the first polarized capacitance C1 between Power modules and U1 modules respectively
Ground connection；C4 is grounded after meeting third capacitance C3 between U1 modules and the 4th capacitance.
Beneficial effects of the present invention are：Circuit structure is simple, and overall cost-effective performance is higher, provides a kind of simple and effective Internet of Things
Net application circuit.
Description of the drawings
Fig. 1 is the circuit construction of electric power figure of the present invention.
Fig. 2 is the MCU circuit structure diagrams of the present invention.
Fig. 3 is that the USB of the present invention turns 232 circuit structure diagrams.
Fig. 4 is the ZigBee circuit structure diagrams of the present invention.
Fig. 5 is the serial ports switching switching circuit structure figure of the present invention.
Fig. 6 is the common serial ports RS232 structure charts of the present invention.
Specific implementation mode
The present invention provides a kind of Internet of Things application circuit, including power circuit, MCU circuits, USB turn 232 circuits, ZigBee
Circuit, serial ports switching switching circuit and common serial ports RS232；MCU circuits pass through three kinds of mode communication with the outside world：Turned by USB
232 circuits are communicated with host computer；Switch switching circuit connection ZigBee circuits by serial ports to be communicated；It is cut by serial ports
Switching circuit is changed to be communicated with common serial ports RS232.
It is specifically connected as by the circuit that USB turns 232 circuits with the external world is communicated by USB：The 40th of MCU circuits
Two pins, the 40th three-prong are separately connected the 5th pin and the first pin that USB turns 232 circuits；USB turns the of 232 circuits
15 pins turn the 16th of 232 circuits by the third pins of the USB_232 modules in resistance R5 connection power circuits, USB
The second pin that pin passes through the USB_232 modules in resistance R6 connection power circuits.
Switch the circuit that switching circuit connection ZigBee circuits are communicated by serial ports to be specifically connected as：MCU circuits
16th pin switches the second pin of switching circuit by resistance R39 connection serial ports, and the 17th pin of MCU circuits passes through electricity
Hinder the 7th pin of R37 connection serial ports switching switching circuit；Serial ports switches the 4th pin and the connection of the 5th pin of switching circuit
7th pin of ZigBee circuits and the 9th pin.
Switch the circuit that switching circuit is communicated with common serial ports by serial ports to be specifically connected as：Serial ports switching switch electricity
The 12nd pin and the 11st pin of 4th pin on road and the 5th pin connection ZigBee circuits.
As shown in Figure 1, power circuit includes USB module, USB-232 modules and COM1 modules；First pipe of USB module
Foot connects the D/C voltage of+5V；Second pin concatenates 3rd resistor R3；Third pin simultaneously meets first resistor R1 and second resistance R2,
The VCC voltages of middle first resistor R1 connections+3.3V；5th pin is grounded after meeting the first fuse FUSE1；USB-232 modules
First pin connects the D/C voltage of+5V；Second pin concatenates the 6th resistance R6；Third pin simultaneously connects the 5th resistance R5 and the 4th resistance
R4, wherein the VCC voltages of the 4th resistance R4 connections+3.3V；5th pin passes through the first fuse FUSE1 ground connection；COM1 circuits
First pin of module connects the D/C voltage of+5V；Second pin is grounded；Third pin is grounded.
First pin of USB module is sequentially connected second fuse FUSE2, Power module, diode SS14, U1 module
It is followed by the 4th capacitance C4 ground connection；Ground connection, second after the first diode D1 are connect between the first pin and Power modules of USB respectively
It is grounded after diode D2；It is grounded, after the second capacitance C2 after meeting the first polarized capacitance C1 between Power modules and U1 modules respectively
Ground connection；C4 is grounded after meeting third capacitance C3 between U1 modules and the 4th capacitance.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (1)
1. a kind of Internet of Things application circuit, which is characterized in that turn 232 circuits, ZigBee including power circuit, MCU circuits, USB
Circuit, serial ports switching switching circuit and common serial ports RS232；MCU circuits pass through three kinds of mode communication with the outside world：Turned by USB
232 circuits are communicated with host computer；Switch switching circuit connection ZigBee circuits by serial ports to be communicated；Pass through serial ports
Switching switching circuit is communicated with common serial ports RS232;The MCU circuits use chip STM32F103RB;The USB
Turn 232 circuits and uses chip PL2302；
Turn the circuit that 232 circuits are communicated with host computer by USB to be specifically connected as：The 40th of chip STM32F103RB
Two pins, the 40th three-prong are separately connected the 5th pin and the first pin of chip PL2302；The 15th of chip PL2302
Pin is by the third pin of the USB_232 moulds USB interface in the block in resistance R5 connection power circuits, and the of chip PL2302
The second pin that 16 pins pass through the USB_232 moulds USB interface in the block in resistance R6 connection power circuits；
Switch the circuit that switching circuit connection ZigBee circuits are communicated by serial ports to be specifically connected as：Chip
The 16th pin of STM32F103RB switches the second pin of switching circuit, chip by resistance R39 connection serial ports
The 17th pin of STM32F103RB switches the 7th pin of switching circuit by resistance R37 connection serial ports；Serial ports switching switch
Third pin and the 6th pin in circuit connect ZigBee circuits;
Switch switching circuit by serial ports to be specifically connected as with the common serial ports RS232 circuits communicated：Serial ports switching is opened
The 4th pin and the 5th pin in powered-down road connect the 12nd pin and the 11st pin of common serial ports RS232 respectively;
Power circuit includes USB module, USB_232 modules and COM1 modules；First pin of USB module meets the DC of+5V
Voltage；Second pin concatenates 3rd resistor R3；Third pin simultaneously meets first resistor R1 and second resistance R2, wherein first resistor R1
The VCC voltages of connection+3.3V；5th pin is grounded after meeting the first fuse FUSE1；USB_232 moulds USB interface in the block
The first pin connect the D/C voltage of+5V；Second pin concatenates the 6th resistance R6；Third pin simultaneously meets the 5th resistance R5 and the 4th
Resistance R4, wherein the VCC voltages of the 4th resistance R4 connections+3.3V；5th pin passes through the first fuse FUSE1 ground connection；COM1
First pin of the mould ports COM1 in the block connects the D/C voltage of+5V；Second pin is grounded；Third pin is grounded；In USB modules
USB interface the first pin be sequentially connected second fuse FUSE2, Power module, diode SS14, U1 module is followed by
Four capacitance C4 ground connection；The first diode D1 is met respectively between the first pin and Power modules of USB interface in USB module
It is grounded after ground connection, the second diode D2 afterwards；Connect respectively between Power modules and U1 modules ground connection after the first polarized capacitance C1,
It is grounded after second capacitance C2；C4 is grounded after meeting third capacitance C3 between U1 modules and the 4th capacitance, and U1 modules are chip
AMS1117-3.3V。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410759599.7A CN104615035B (en) | 2014-12-12 | 2014-12-12 | A kind of Internet of Things application circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410759599.7A CN104615035B (en) | 2014-12-12 | 2014-12-12 | A kind of Internet of Things application circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104615035A CN104615035A (en) | 2015-05-13 |
| CN104615035B true CN104615035B (en) | 2018-09-04 |
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| CN201410759599.7A Active CN104615035B (en) | 2014-12-12 | 2014-12-12 | A kind of Internet of Things application circuit |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201499304U (en) * | 2009-06-19 | 2010-06-02 | 浙江大学城市学院 | Serial expansion and wireless location technique based network transmission device |
| CN202075429U (en) * | 2011-05-26 | 2011-12-14 | 南京信息工程大学 | Hygrometer node based on wireless sensor network |
| CN202887430U (en) * | 2012-11-12 | 2013-04-17 | 北京圣岩迅科技发展有限公司 | Multi-functional wireless collector |
| CN203405822U (en) * | 2013-07-09 | 2014-01-22 | 厦门物之联智能科技有限公司 | Internet-of-things data acquisition terminal and data acquisition system |
| CN203434970U (en) * | 2013-08-21 | 2014-02-12 | 合肥赛为智能有限公司 | Remote wireless transceiving full function device based on Zigbee |
| CN103916324A (en) * | 2014-03-28 | 2014-07-09 | 安徽农业大学 | Crop environment perception router |
| CN204406092U (en) * | 2014-12-12 | 2015-06-17 | 江苏开放大学 | A kind of Internet of Things application circuit |
-
2014
- 2014-12-12 CN CN201410759599.7A patent/CN104615035B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201499304U (en) * | 2009-06-19 | 2010-06-02 | 浙江大学城市学院 | Serial expansion and wireless location technique based network transmission device |
| CN202075429U (en) * | 2011-05-26 | 2011-12-14 | 南京信息工程大学 | Hygrometer node based on wireless sensor network |
| CN202887430U (en) * | 2012-11-12 | 2013-04-17 | 北京圣岩迅科技发展有限公司 | Multi-functional wireless collector |
| CN203405822U (en) * | 2013-07-09 | 2014-01-22 | 厦门物之联智能科技有限公司 | Internet-of-things data acquisition terminal and data acquisition system |
| CN203434970U (en) * | 2013-08-21 | 2014-02-12 | 合肥赛为智能有限公司 | Remote wireless transceiving full function device based on Zigbee |
| CN103916324A (en) * | 2014-03-28 | 2014-07-09 | 安徽农业大学 | Crop environment perception router |
| CN204406092U (en) * | 2014-12-12 | 2015-06-17 | 江苏开放大学 | A kind of Internet of Things application circuit |
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| Publication number | Publication date |
|---|---|
| CN104615035A (en) | 2015-05-13 |
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