CN202334508U - Wireless communication module for communication between terminal facilities with USB (Universal Serial Bus) interfaces - Google Patents
Wireless communication module for communication between terminal facilities with USB (Universal Serial Bus) interfaces Download PDFInfo
- Publication number
- CN202334508U CN202334508U CN2011204830732U CN201120483073U CN202334508U CN 202334508 U CN202334508 U CN 202334508U CN 2011204830732 U CN2011204830732 U CN 2011204830732U CN 201120483073 U CN201120483073 U CN 201120483073U CN 202334508 U CN202334508 U CN 202334508U
- Authority
- CN
- China
- Prior art keywords
- communication module
- usb
- wireless communication
- usb interface
- circuit
- 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 - Lifetime
Links
Images
Landscapes
- Transceivers (AREA)
Abstract
The utility model discloses a wireless communication module for communication between terminal facilities with USB (Universal Serial Bus) interfaces, which comprises a power-supply circuit, a USB interface, a level-converting circuit and a wireless-signal receiving and transmitting circuit, wherein the power-supply circuit is used for providing a working power supply for the whole communication module, the USB interface is connected with the level-converting circuit and used for mutually converting a USB signal and a UART (Universal Asynchronous Receiver/Transmitter) signal, and the level-converting circuit is connected with the wireless-signal receiving and transmitting circuit. Wireless communication between the terminal facilities is realized by fully utilizing the USB interfaces of the terminal facilities according to the utility model, so that the wireless communication module is convenient to use and is low in cost, and in addition, the structure is simple, and the size is small.
Description
Technical field
The utility model relates to a kind of wireless communication module of communicating by letter with between the USB interface terminal equipment of being used to.
Background technology
The transmission of data is divided into wired and wireless two kinds of communication modes; Radio communication (Wireless Communication) is a kind of communication mode that the characteristic of utilizing electromagnetic wave signal in free space, to propagate is carried out information exchange; In recent years in the information communication field, with fastest developing speed, to use the widest be exactly wireless communication technology.And, utilize USB interface communication also to be limited to the wire communication mode at present for the terminal equipment of band USB interface, and therefore very inconvenient, and if adopt other communication (such as network) cost will be very high between the terminal equipment.
The utility model content
The purpose of the utility model be to provide a kind of communicate by letter very convenient, cost is low, simple in structure is used to the wireless communication module of communicating by letter with between the USB interface terminal equipment.
This being used to that the utility model provides comprises power circuit, USB interface, level shifting circuit and wireless signal transmission circuit with the wireless communication module of communicating by letter between the USB interface terminal equipment; Said power circuit is that whole communication module provides working power; Said USB interface is connected with level shifting circuit; Be used for conversion each other between usb signal and the UART signal, level shifting circuit is connected with the wireless signal transmission circuit.
The communication pattern of said wireless signal transmission circuit adopts half-duplex.Its communication frequency is 471MHz ± 5kHz.The power supply master chip that said power circuit adopts is the LDO in the XC6203 series.The chip that changes of level shifting circuit adopts the CP2102 chip.
The utility model wireless communication module mainly is the transmission that realizes wireless data between the terminal equipment of band USB interface.Be inserted into the utility model communication module on the terminal equipment that need intercom mutually through USB interface during use; Transmitting terminal converts the usb signal that sends to the TTL signal; Become wireless signal transmission to go out the TTL conversion of signals then, the identical receiving terminal of communication frequency can be accomplished reception.The utility model has made full use of the USB interface of terminal equipment and realized the radio communication between each terminal equipment, and is therefore easy to use and cost is low, simple in structure in addition, volume is little.
Description of drawings
Fig. 1 has reflected the circuit structure of the utility model.
Fig. 2 is the power circuit diagram of the utility model.
Fig. 3 is the level shifting circuit figure of the utility model.
Fig. 4 is the wireless signal transmission circuit figure of the utility model.
Embodiment
Fig. 1 is the structural representation that terminal equipment employing the utility model of two band USB interfaces carries out radio communication, has fully reflected the structure of the utility model.As can beappreciated from fig. 1 the utlity model has power circuit, USB interface, level shifting circuit and wireless signal transmission circuit; Said power circuit is that whole communication module provides working power; Said USB interface is connected with level shifting circuit; Be used for conversion each other between usb signal and the UART signal, level shifting circuit is connected with the wireless signal transmission circuit.Fig. 1 illustrates the USB interface of two station terminal equipment and has plugged a playscript with stage directions communication module respectively; If wherein a station terminal equipment will be when another station terminal equipment mail message; This equipment will penetrate this communication module with signal through USB interface; This communication module is launched after converting usb signal to the UART signal; This communication module on another station terminal equipment will receive this signal, become input terminal equipment behind the usb signal to this conversion of signals again, accomplish the message transmission between the two station terminal equipment thus.
Fig. 2 is the power circuit diagram of the utility model, and is as shown in the figure, and the power supply master chip is a LDO in the XC6203 series, will import 5V (VBUS) voltage transitions and become output 3.3V voltage, and wherein 4 electric capacity play the effect of moving back lotus root and energy storage, and V14 is the antistatic pipe.
Fig. 3 is the USB and the Transistor-Transistor Logic level change-over circuit figure of the utility model; As shown in the figure; This conversion chip adopts a CP2102 chip; Wherein USB-2 and USB-3 are one group of USB receiving and transmitting signal, and XS3-TX and XS3-RX are one group of TTL rs 232 serial interface signal, and the CP2102 chip is accomplished two groups of signal conversions each other.
Fig. 4 is the wireless signal transmission circuit figure of the utility model; The wireless receiving and dispatching signal little module ZM150 of Shenzhen a company has been adopted in this part; Adopting the communication frequency is 471MHz ± 5kHz; Convert XS3-TX and XS3-RX rs 232 serial interface signal to wireless signal, through antenna signal is launched at last.
Claims (5)
1. one kind is used to the wireless communication module of communicating by letter with between the USB interface terminal equipment; It is characterized in that this wireless communication module comprises power circuit, USB interface, level shifting circuit and wireless signal transmission circuit; Said power circuit is that whole communication module provides working power; Said USB interface is connected with level shifting circuit, is used for conversion each other between usb signal and the UART signal, and level shifting circuit is connected with the wireless signal transmission circuit.
2. the wireless communication module of communicating by letter with between the USB interface terminal equipment of being used to according to claim 1 is characterized in that the communication pattern of wireless signal transmission circuit adopts half-duplex.
3. the wireless communication module of communicating by letter with between the USB interface terminal equipment of being used to according to claim 1 is characterized in that the power supply master chip that power circuit adopts is the LDO in the XC6203 series.
4. the wireless communication module of communicating by letter with between the USB interface terminal equipment of being used to according to claim 1 is characterized in that the chip that changes of level shifting circuit adopts the CP2102 chip.
5. the wireless communication module of communicating by letter with between the USB interface terminal equipment of being used to according to claim 1 is characterized in that the communication frequency that the wireless signal transmission circuit adopts is 471MHz ± 5kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204830732U CN202334508U (en) | 2011-11-29 | 2011-11-29 | Wireless communication module for communication between terminal facilities with USB (Universal Serial Bus) interfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204830732U CN202334508U (en) | 2011-11-29 | 2011-11-29 | Wireless communication module for communication between terminal facilities with USB (Universal Serial Bus) interfaces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334508U true CN202334508U (en) | 2012-07-11 |
Family
ID=46446471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204830732U Expired - Lifetime CN202334508U (en) | 2011-11-29 | 2011-11-29 | Wireless communication module for communication between terminal facilities with USB (Universal Serial Bus) interfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106897240A (en) * | 2017-02-27 | 2017-06-27 | 郑州云海信息技术有限公司 | A kind of USB interface-based movable storage device |
-
2011
- 2011-11-29 CN CN2011204830732U patent/CN202334508U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106897240A (en) * | 2017-02-27 | 2017-06-27 | 郑州云海信息技术有限公司 | A kind of USB interface-based movable storage device |
| CN106897240B (en) * | 2017-02-27 | 2020-03-06 | 郑州云海信息技术有限公司 | Mobile storage device based on USB interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202160141U (en) | Remote stepper motor control system based on GSM module | |
| CN202334508U (en) | Wireless communication module for communication between terminal facilities with USB (Universal Serial Bus) interfaces | |
| CN202231716U (en) | Power line carrier communication structure | |
| CN210867775U (en) | Intelligent wireless conversion device | |
| CN107846709A (en) | A kind of radio communication device and wireless communications method based on LoRa | |
| CN102723962A (en) | Bluetooth to 433M/315M wireless communication interface module | |
| CN202939792U (en) | Single-phase dual-channel communication module | |
| CN207133436U (en) | A kind of Big Dipper short message circuit | |
| CN207601789U (en) | A kind of antitransmitter receiver and transmitting-receiving converting system based on RS485 | |
| CN201966912U (en) | 2.4G wireless communication system | |
| CN206099970U (en) | Middling pressure power -line carrier communication system based on DSP | |
| CN206559350U (en) | 4G communication modules | |
| CN205016810U (en) | Signal adapter device | |
| CN205945735U (en) | A circuit board for launching and receive bluetooth signal | |
| CN203734667U (en) | Bluetooth bridge for realizing long-distance data communication | |
| CN201663309U (en) | Converter for converting USB level to RS422 differential level | |
| CN202978945U (en) | Three-phase electric energy meter communication module based on optical fiber communication mode | |
| CN202634495U (en) | Module for converting 433M/315M wireless communication interface into wireless fidelity (WIFI) interface | |
| CN201742416U (en) | Active repeater with plastic optical fiber interface | |
| CN202634426U (en) | Interface module for converting 433MHz/315MHz wireless communication signal into Bluetooth signal | |
| CN203217628U (en) | Vehicular unit with top-up function | |
| CN203416278U (en) | An all-in-one digital household gateway | |
| CN102256193A (en) | Audio signal receiving device and audio signal transmission system | |
| CN203151506U (en) | Radio frequency signal detection module with USB socket | |
| CN211321382U (en) | Split type communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: WILLFAR INFORMATION TECHNOLOGY Co.,Ltd. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address after: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee after: HUNAN WEISHENG INFORMATION TECHNOLOGY CO.,LTD. Address before: 410205 No. 468 west slope, Changsha hi tech Industrial Development Zone, Changsha, Hunan, Yuelu District, Tongzi Patentee before: CHANGSHA WASION INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |