CN104615035A - Internet of things application circuit - Google Patents
Internet of things application circuit Download PDFInfo
- Publication number
- CN104615035A CN104615035A CN201410759599.7A CN201410759599A CN104615035A CN 104615035 A CN104615035 A CN 104615035A CN 201410759599 A CN201410759599 A CN 201410759599A CN 104615035 A CN104615035 A CN 104615035A
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- circuit
- pin
- usb
- module
- 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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Information Transfer Systems (AREA)
- Dc Digital Transmission (AREA)
Abstract
Disclosed is an Internet of things application circuit. The Internet of things application circuit is characterized by comprising a power circuit, an MCU (microprogrammed control unit) circuit, a USB-to-232 (universal serial bus-to-recommend standard 232) circuit, a ZigBee circuit, a serial-port switching switch circuit and an RS232 circuit. The MCU circuit communicates with the outside in three manners including communicating an upper computer through the USB-to-232 circuit, communicating with the ZigBee circuit through the serial-port switching switch circuit and communicating with a common serial-port RS232 through the serial-port switching switch circuit. The Internet of things application circuit has the advantages of being simple in circuit structure, high in integral cost performance, simple and efficient.
Description
Technical field
The present invention relates to application circuit field, especially a kind of Internet of Things application circuit.
Background technology
Internet-of-things terminal application is more and more extensive, and corresponding circuit form is more and more diversified.Various Internet of Things application circuit circuit structure of the prior art is complicated, and use components and parts more, overall price/performance ratio is lower.
Summary of the invention
The invention provides a kind of Internet of Things application circuit, comprise power circuit, MCU circuit, USB turn 232 circuit, ZigBee circuit, serial ports switching switch circuit and RS232 circuit; MCU circuit is communicated with the external world by three kinds of modes: turn 232 circuit by USB and communicate with host computer; Connect ZigBee circuit by serial ports switching switch circuit to communicate; Communicated by common serial ports RS232 by serial ports switching switch circuit.
Preferably, turn 232 circuit by USB to be specifically connected with the circuit that host computer carries out communicating and to be: the 42 pin of MCU circuit, the 40 three-prong connect the first pin and the 5th pin that USB turns 232 circuit respectively; The 15 pin that USB turns 232 circuit and the 16 pin are connected the second pin and the three-prong of the USB_232 module in power circuit respectively.
Preferably, the circuit being undertaken communicating by serial ports switching switch circuit connection ZigBee circuit specifically connects: the 16 pin and the 17 pin of MCU circuit are connected the second pin and the 6th pin of serial ports switching switch circuit respectively; 4th pin of serial ports switching switch circuit is connected the 7th pin and the 9th pin of ZigBee circuit with the 5th pin.
Preferably, specifically to be connected by the circuit that common serial ports RS232 carries out communicating by serial ports switching switch circuit and be: the 16 pin and the 17 pin of MCU circuit are connected the second pin and the 6th pin of serial ports switching switch circuit respectively; 4th pin of serial ports switching switch circuit and the 5th pin connect the 11 pin and the 12 pin of RS232 circuit respectively.
Preferably, power circuit comprises USB module, USB-232 module and COM1 module; First pin of USB module connects the DC voltage of+5V; Second pin serial connection the 3rd resistance R3; Three-prong also meets the first resistance R1 and the second resistance R2, and wherein the first resistance R1 connects the VCC voltage of+3.3V; 5th pin connects ground connection after the first fuse FUSE1; First pin of USB-232 module connects the DC voltage of+5V; Second pin serial connection the 6th resistance R6; Three-prong also meets the 5th resistance R5 and the 4th resistance R4, and wherein the 4th resistance R4 connects the VCC voltage of+3.3V; 5th pin is by the first fuse FUSE1 ground connection; First pin of COM1 circuit module connects the DC voltage of+5V; Second pin ground connection; Three-prong ground connection.
The 4th electric capacity C4 ground connection is connect after first pin of USB module connects second fuse FUSE2, Power module, diode SS14, U1 module successively; Ground connection after ground connection after the first diode D1, the second diode D2 is connect respectively between first pin of USB and Power module; Connect first between Power module and U1 module respectively and have ground connection after ground connection after polar capacitor C1, the second electric capacity C2; Between U1 module and the 4th electric capacity, C4 connects ground connection after the 3rd electric capacity C3.
Beneficial effect of the present invention is: circuit structure is simple, and overall price/performance ratio is higher, provides a kind of simple and effective Internet of Things application circuit.
Accompanying drawing explanation
Fig. 1 is circuit construction of electric power figure of the present invention.
Fig. 2 is MCU circuit structure diagram of the present invention.
Fig. 3 is that USB of the present invention turns 232 circuit structure diagrams.
Fig. 4 is ZigBee circuit structure diagram of the present invention.
Fig. 5 is serial ports switching switch circuit structural drawing of the present invention.
Fig. 6 is RS232 circuit structure diagram of the present invention.
Embodiment
The invention provides a kind of Internet of Things application circuit, comprise power circuit, MCU circuit, USB turn 232 circuit, ZigBee circuit, serial ports switching switch circuit and RS232 circuit; MCU circuit is communicated with the external world by three kinds of modes: turn 232 circuit by USB and communicate with host computer; Connect ZigBee circuit by serial ports switching switch circuit to communicate; Communicated by common serial ports RS232 by serial ports switching switch circuit.
Turn 232 circuit by USB to be specifically connected with the extraneous circuit being undertaken communicating by USB and to be: the 42 pin of MCU circuit, the 40 three-prong connect the first pin and the 5th pin that USB turns 232 circuit respectively; The 15 pin that USB turns 232 circuit and the 16 pin are connected the second pin and the three-prong of the USB_232 module in power circuit respectively.
The circuit being undertaken communicating by serial ports switching switch circuit connection ZigBee circuit specifically connects: the 16 pin and the 17 pin of MCU circuit are connected the second pin and the 6th pin of serial ports switching switch circuit respectively; 4th pin of serial ports switching switch circuit is connected the 7th pin and the 9th pin of ZigBee circuit with the 5th pin.
Specifically to be connected by the circuit that common serial ports carries out communicating by serial ports switching switch circuit and be: the 16 pin and the 17 pin of MCU circuit are connected the second pin and the 6th pin of serial ports switching switch circuit respectively; 4th pin of serial ports switching switch circuit and the 5th pin connect the 11 pin and the 12 pin of RS232 circuit respectively.
As shown in Figure 1, power circuit comprises USB module, USB-232 module and COM1 module; First pin of USB module connects the DC voltage of+5V; Second pin serial connection the 3rd resistance R3; Three-prong also meets the first resistance R1 and the second resistance R2, and wherein the first resistance R1 connects the VCC voltage of+3.3V; 5th pin connects ground connection after the first fuse FUSE1; First pin of USB-232 module connects the DC voltage of+5V; Second pin serial connection the 6th resistance R6; Three-prong also meets the 5th resistance R5 and the 4th resistance R4, and wherein the 4th resistance R4 connects the VCC voltage of+3.3V; 5th pin is by the first fuse FUSE1 ground connection; First pin of COM1 circuit module connects the DC voltage of+5V; Second pin ground connection; Three-prong ground connection.
The 4th electric capacity C4 ground connection is connect after first pin of USB module connects second fuse FUSE2, Power module, diode SS14, U1 module successively; Ground connection after ground connection after the first diode D1, the second diode D2 is connect respectively between first pin of USB and Power module; Connect first between Power module and U1 module respectively and have ground connection after ground connection after polar capacitor C1, the second electric capacity C2; Between U1 module and the 4th electric capacity, C4 connects ground connection after the 3rd electric capacity C3.
Although the present invention illustrates with regard to preferred implementation and describes, only it will be understood by those of skill in the art that otherwise exceed claim limited range of the present invention, variations and modifications can be carried out to the present invention.
Claims (5)
1. an Internet of Things application circuit, is characterized in that, comprises power circuit, MCU circuit, USB turn 232 circuit, ZigBee circuit, serial ports switching switch circuit and RS232 circuit; MCU circuit is communicated with the external world by three kinds of modes: turn 232 circuit by USB and communicate with host computer; Connect ZigBee circuit by serial ports switching switch circuit to communicate; Communicated by common serial ports RS232 by serial ports switching switch circuit.
2. Internet of Things application circuit as claimed in claim 1, it is characterized in that, turn 232 circuit by USB and to be specifically connected with the circuit that host computer carries out communicating and to be: the 42 pin of MCU circuit, the 40 three-prong connect the first pin and the 5th pin that USB turns 232 circuit respectively; The 15 pin that USB turns 232 circuit and the 16 pin are connected the second pin and the three-prong of the USB_232 module in power circuit respectively.
3. Internet of Things application circuit as claimed in claim 1, it is characterized in that, connect by serial ports switching switch circuit circuit that ZigBee circuit carries out communicating and specifically connect and be: the 16 pin and the 17 pin of MCU circuit are connected the second pin and the 6th pin of serial ports switching switch circuit respectively; 4th pin of serial ports switching switch circuit is connected the 7th pin and the 9th pin of ZigBee circuit with the 5th pin.
4. Internet of Things application circuit as claimed in claim 1, it is characterized in that, specifically to be connected by the circuit that common serial ports RS232 carries out communicating by serial ports switching switch circuit and be: the 16 pin and the 17 pin of MCU circuit are connected the second pin and the 6th pin of serial ports switching switch circuit respectively; 4th pin of serial ports switching switch circuit and the 5th pin connect the 11 pin and the 12 pin of RS232 circuit respectively.
5. Internet of Things application circuit as claimed in claim 1, it is characterized in that, power circuit comprises USB module, USB-232 module and COM1 module; First pin of USB module connects the DC voltage of+5V; Second pin serial connection the 3rd resistance R3; Three-prong also meets the first resistance R1 and the second resistance R2, and wherein the first resistance R1 connects the VCC voltage of+3.3V; 5th pin connects ground connection after the first fuse FUSE1; First pin of USB-232 module connects the DC voltage of+5V; Second pin serial connection the 6th resistance R6; Three-prong also meets the 5th resistance R5 and the 4th resistance R4, and wherein the 4th resistance R4 connects the VCC voltage of+3.3V; 5th pin is by the first fuse FUSE1 ground connection; First pin of COM1 circuit module connects the DC voltage of+5V; Second pin ground connection; Three-prong ground connection; The 4th electric capacity C4 ground connection is connect after first pin of USB module connects second fuse FUSE2, Power module, diode SS14, U1 module successively; Ground connection after ground connection after the first diode D1, the second diode D2 is connect respectively between first pin of USB and Power module; Connect first between Power module and U1 module respectively and have ground connection after ground connection after polar capacitor C1, the second electric capacity C2; Between U1 module and the 4th electric capacity, C4 connects ground connection after the 3rd electric capacity C3.
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 true CN104615035A (en) | 2015-05-13 |
| CN104615035B CN104615035B (en) | 2018-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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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 |
|---|---|
| CN104615035B (en) | 2018-09-04 |
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