CN204406092U - A kind of Internet of Things application circuit - Google Patents
A kind of Internet of Things application circuit Download PDFInfo
- Publication number
- CN204406092U CN204406092U CN201420780204.7U CN201420780204U CN204406092U CN 204406092 U CN204406092 U CN 204406092U CN 201420780204 U CN201420780204 U CN 201420780204U CN 204406092 U CN204406092 U CN 204406092U
- Authority
- CN
- China
- Prior art keywords
- circuit
- pin
- usb
- serial ports
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Information Transfer Systems (AREA)
Abstract
A kind of 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.The beneficial effects of the utility model are: circuit structure is simple, and overall price/performance ratio 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
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 |
|---|---|---|---|
| CN201420780204.7U CN204406092U (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 |
|---|---|---|---|
| CN201420780204.7U CN204406092U (en) | 2014-12-12 | 2014-12-12 | A kind of Internet of Things application circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204406092U true CN204406092U (en) | 2015-06-17 |
Family
ID=53429936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420780204.7U Expired - Fee Related CN204406092U (en) | 2014-12-12 | 2014-12-12 | A kind of Internet of Things application circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204406092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615035A (en) * | 2014-12-12 | 2015-05-13 | 江苏开放大学 | Internet of things application circuit |
-
2014
- 2014-12-12 CN CN201420780204.7U patent/CN204406092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104615035A (en) * | 2014-12-12 | 2015-05-13 | 江苏开放大学 | Internet of things application circuit |
| CN104615035B (en) * | 2014-12-12 | 2018-09-04 | 江苏开放大学 | A kind of Internet of Things application circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204406092U (en) | A kind of Internet of Things application circuit | |
| CN202977852U (en) | Foldable socket | |
| CN104615035A (en) | Internet of things application circuit | |
| CN204408171U (en) | A kind of power circuit | |
| CN203589772U (en) | Double-USB charging circuit and charger | |
| CN201444483U (en) | Reversible battery case | |
| CN205844829U (en) | A kind of circuit realizing numeral I/O output extension based on iic bus | |
| CN204406456U (en) | A kind of radio circuit | |
| CN203688616U (en) | Electric energy meter current sampling circuit | |
| CN204349791U (en) | A kind of multiple-output electric power circuit | |
| CN203617057U (en) | Ceramic capacitance-type resistor | |
| CN204482103U (en) | A kind of low voltage difference LED drive circuit | |
| CN204068375U (en) | Wireless charger circuit | |
| CN202475445U (en) | Multifunctional general chaotic circuit system | |
| CN206962523U (en) | A kind of stand-by power supply control system | |
| CN207835351U (en) | A kind of simple negative conversion circuit | |
| CN206388532U (en) | Power supply signal rubber covered wire | |
| CN203288890U (en) | A sub-control switch socket and a modularization assembly thereof | |
| CN203588009U (en) | Time relay control circuit | |
| CN203423614U (en) | Filter circuit applied for driving power supply of LED lamp | |
| CN205593583U (en) | RS485 communication module for electromagnetic water meter | |
| CN202798664U (en) | Exclusive-OR gate reverse connection protection system | |
| CN202940731U (en) | Electrodeless low-power direct-current power interface | |
| CN204721695U (en) | Self-starting led drive circuit | |
| CN206181458U (en) | Light -emitting diode (LED) driving circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150617 Termination date: 20171212 |