CN202231687U - 32-path household electric appliance automatic connection terminal having USB interface query and management function - Google Patents
32-path household electric appliance automatic connection terminal having USB interface query and management function Download PDFInfo
- Publication number
- CN202231687U CN202231687U CN2011202382816U CN201120238281U CN202231687U CN 202231687 U CN202231687 U CN 202231687U CN 2011202382816 U CN2011202382816 U CN 2011202382816U CN 201120238281 U CN201120238281 U CN 201120238281U CN 202231687 U CN202231687 U CN 202231687U
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- CN
- China
- Prior art keywords
- usb
- serial port
- usb interface
- connection terminal
- electric appliance
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- 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
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Abstract
Disclosed is a 32-path household electric appliance automatic connection terminal having a USB interface query and management function, forming an interface arrangement between a computer and an electrical appliance. The 32-path household electric appliance automatic connection terminal of the utility model is a module formed by a USB bus switching chip CH340 to add a USB interface for a 32 path household electric appliance automatic connection terminal of serial port query management, thereby being capable of cooperating with various computers having serial ports or USB interfaces, detecting three sensors, and operating 32 pairs of electronic devices and electrical appliances.
Description
Technical field
The utility model belongs to the application electric technology field, particularly relates to the interface arrangement of a kind of computer and domestic electronic and electrical equipment.
Background technology
Act on the technology of utility model " the home electronic appliance automation junction block of serial port searching and managing " (patent No.: ZL 2,010 2 0531787.1); The serial data instruction that the transmission data wire TXD that submits to the utility model " 32 road home electronic appliance automation junction blocks of serial port searching and managing " of examination to be received from the computer serial port same period is sent out; For three of serial port input interconnection DSR, CTS and CD have disposed three groups of tri-state gate circuits; Make full use of the decoding output result of its two output interconnection RTS and DTR; Divide the state that transmits six bits and three-way sensor for three times to go into computer; Implement " correction instruction data, decoding output, detecting sensor ", manage 32 road home electronic appliances.
Summary of the invention
The purpose of the utility model is to provide a kind of 32 road home electronic appliance automation junction blocks of USB interface searching and managing; It constitutes the interface arrangement between home electronic appliance and the USB interface of computer; Make utility model " 32 road home electronic appliance automation junction blocks of serial port searching and managing " not only can pass through serial port; Also can get in touch through USB interface and computer; Detect the three-way sensor that cooperates, manage 30 No. two electronic switches, promptly move 32 pairs of home electronic appliances automatically.
The utility model solves the technical scheme that its technical problem adopted: it changes serial port circuit by " 32 road home electronic appliance automation junction blocks of serial port searching and managing ", USB interface and USB and forms; Wherein, " 32 road home electronic appliance automation junction blocks of serial port searching and managing " have the RS232C interface; It is that the module of core constitutes by usb bus connect chip CH340 that USB changes serial port circuit; USB interface is connected with the corresponding signal input part of usb bus connect chip CH340, and the signal output part of usb bus connect chip CH340 is connected to the pin of the same name of the RS232C interface of " 32 road home electronic appliance automation junction blocks of serial port searching and managing ".
The utility model has constituted the interface between computer, transducer and domestic electronic or the electrical equipment; Basic function with " 32 road home electronic appliance automation junction blocks of serial port searching and managing "; That is: computer cooperates this device perhaps to detect the state of three-way sensor through serial port, perhaps manages 30 two road domestic electronic and electrical equipment.The strong point of the utility model is: having possessed USB changes serial port circuit, is applicable to the various computers or the equipment that are provided with USB interface.
Description of drawings
Below in conjunction with accompanying drawing, further specify the utility model.
Fig. 1 is the circuit block diagram of the utility model.
Among the figure, 1. " 32 road home electronic appliance automation junction blocks of serial port searching and managing ", 11. 9 pin RS232C interfaces, 2. USB changes serial port circuit, 3. USB interface.
Embodiment
As shown in Figure 1, " 32 road home electronic appliance automation junction blocks of serial port searching and managing " (1) has RS232C interface (11), is applicable to desktop computer, because desktop computer disposes USB interface and RS232C interface simultaneously.And notebook only disposes USB interface.Therefore, the utility model select for use Nanjing to ooze CH340 module that permanent Electronics Co., Ltd. produces has been made improvement to " 32 road home electronic appliance automation junction blocks of serial port searching and managing " (1), as shown in Figure 1.Wherein, USB changes serial port circuit (2) and is born by the module that usb bus connect chip CH340 forms, and manufacturer has write driver for it.
Claims (1)
1. 32 road home electronic appliance automation junction blocks of a USB interface searching and managing; It changes serial port circuit by " 32 road home electronic appliance automation junction blocks of serial port searching and managing ", USB interface and USB and forms; Wherein, " 32 road home electronic appliance automation junction blocks of serial port searching and managing " have the RS232C interface; It is that the module of core constitutes by usb bus connect chip CH340 that USB changes serial port circuit; It is characterized in that: USB interface is connected with the corresponding signal input part of usb bus connect chip CH340, and the signal output part of usb bus connect chip CH340 is connected to the pin of the same name of the RS232C interface of " 32 road home electronic appliance automation junction blocks of serial port searching and managing ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202382816U CN202231687U (en) | 2011-07-07 | 2011-07-07 | 32-path household electric appliance automatic connection terminal having USB interface query and management function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202382816U CN202231687U (en) | 2011-07-07 | 2011-07-07 | 32-path household electric appliance automatic connection terminal having USB interface query and management function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202231687U true CN202231687U (en) | 2012-05-23 |
Family
ID=46082259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202382816U Expired - Fee Related CN202231687U (en) | 2011-07-07 | 2011-07-07 | 32-path household electric appliance automatic connection terminal having USB interface query and management function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202231687U (en) |
-
2011
- 2011-07-07 CN CN2011202382816U patent/CN202231687U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20130707 |