CN101316118A - Wireless data transmission device and method - Google Patents
Wireless data transmission device and method Download PDFInfo
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- CN101316118A CN101316118A CNA2007100414219A CN200710041421A CN101316118A CN 101316118 A CN101316118 A CN 101316118A CN A2007100414219 A CNA2007100414219 A CN A2007100414219A CN 200710041421 A CN200710041421 A CN 200710041421A CN 101316118 A CN101316118 A CN 101316118A
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Abstract
The invention relates a data wireless transmission device and a data wireless transmission method, comprising an interface unit which is used as a data transmission interface between the data wireless transmission device and an external data memorizer; a controlling unit which controls and coordinates the operation of each unit of the wireless transmission device and compiles and processes input data as pre-arranged data format, a level conversion unit which converts the working voltage of the controlling unit and the working voltage of the wireless transmission unit to be consistent, and a wireless transmission unit which transmits and receives corresponding data by wireless type. The data wireless transmission device and the data wireless transmission method of the invention have the advantages of matching, reading and writing various external data memories (such as U disks, memory cards, etc.), and wide application range; furthermore, owing to the Bluetooth wireless transmission technique, the data memorized by the external data memorizer can be wirelessly transmitted to a specific object; moreover, the external data can be wirelessly received and memorized inside the external data memorizer.
Description
Technical field
The present invention relates to the exchanges data transmission field, more particularly, relate to a kind of data radio transmission system and method.
Background technology
Current society, continuous development along with science and technology, microelectric technique is also in continuous progress, microelectric technique has promoted popularizing of computer and communication equipment and development, some electronics and IT products, enter more and more in people's study, work and the life as notebook computer, digital camera, mobile phone etc., become an indispensable part in our life.Modern Electronic equipment is bringing the high efficiency while to people, also brought trouble, often to be undertaken such as the exchanges data between the digital equipment by cable, the cable of certain standard so just need be provided, and cable to be received on the interface of described digital equipment, it is incompatible to add plurality of devices in addition, connects sometimes and also wants the cooperation of intermediary, has limited flexibility and agility that digital product uses to a great extent.
Meanwhile, the appearance of unlimited mechanics of communication such as Bluetooth technology and development promote and have enlarged the range of application of transfer of data exchange, make in the network various data and software carry out mutual communications by convenient mode extremely.Extensive use along with the wireless transmission mechanics of communication on computer, the mobile phone, make the consumer preliminary approval arranged to Radio Transmission Technology, also promoted whole wireless transmission market and advanced, thereby made Radio Transmission Technology ripe day by day, and on price, declined to a great extent gradually.But also be difficult to see in market and a kind ofly the data of external data memory (USB flash disk, storage card etc.) stored can be transferred to the device of special object with Wireless transmission mode, also be difficult to see and receive external data and to be stored in device in the described external data memory with wireless mode.
Summary of the invention
In order to improve the data transmission efficiency of external data memory, the purpose of this invention is to provide a kind of wireless data transmission device and method, described wireless data transmission device and method can be transferred to specific object with the data wireless of external data memory storage, also can receive external data wirelessly and are stored in the described external data memory.
For achieving the above object, the present invention adopts following technical scheme:
On the one hand, the invention provides a kind of wireless data transmission device, comprising:
Interface unit is as the data transmission interface of described radio transmitting device and external data memory;
Control unit is connected with described interface unit, and the work of each unit of described radio transmitting device is coordinated in control and the data of process of compilation input are predetermined data format;
Level conversion unit is connected with described control unit, and level conversion unit is converted to the operating voltage of control unit and wireless transmission unit consistent;
Wireless transmission unit is connected with described level conversion unit, sends and receive related data wirelessly.
Described control unit comprises programmable single chip computer and decoder, single-chip microcomputer is read and write described external data memory according to the transmission of preset program control data and reception and by described interface unit, decoder has the data compilation processing capacity, realizes that the data format between described external data memory and the described wireless transmission unit transforms.
Described wireless transmission unit is based on the blue-tooth device of Bluetooth technology, and described blue-tooth device comprises Bluetooth chip.
Described radio transmitting device also comprises display unit, and display unit is connected with described control unit, shows that described radio transmitting device receives and send the state of data.
The data-interface of described interface unit and described external data memory is complementary.
On the other hand, the invention provides a kind of wireless data transmission method, comprising:
Set up interface unit, make interface unit as data transmission interface to the external data memory read-write;
Set up control unit, making the work of each unit in the described radio transmitting method of control unit control coordination and the data of process of compilation input is predetermined data format;
Set up level conversion unit, make level conversion unit be converted to the operating voltage of control unit and wireless transmission unit consistent;
Set up wireless transmission unit, make the controlled unit controls of wireless transmission unit, send and receive related data wirelessly.
Described control unit comprises programmable single chip computer and decoder, single-chip microcomputer is read and write described external data memory according to the transmission of preset program control data and reception and by described interface unit, decoder has the data compilation processing capacity, realizes that the data format between described external data memory and the described wireless transmission unit transforms.
Described wireless transmission unit is based on the blue-tooth device of Bluetooth technology, and described blue-tooth device comprises Bluetooth chip.
Described radio transmitting method is also set up display unit, makes display unit show that described radio transmitting method receives and send the state of data.
The data-interface of described interface unit and described external data memory is complementary.
Adopt wireless data transmission device of the present invention and method, because this device has interface unit, it can mate and read and write multiple external data memory (USB flash disk, storage card etc.), makes its range of application wider.And wireless transmission unit of the present invention comprises Bluetooth chip, has adopted the wireless transmission unit of Bluetooth technology just can send and receive various data like this.The decoder of control unit of the present invention can be converted into the data format that reads from external data memory the needed form of bluetooth, utilizes bluetooth to send the purpose of data to realize wireless transmission unit.Decoder can also be converted into the data format that wireless transmission unit receives the data that can be the external data memory storage, and external data memory just can be stored several that receive under the control of control unit like this.In sum, described wireless data transmission device and method can be transferred to specific object with the data wireless of external data memory storage, also can receive external data wirelessly and are stored in the described external data memory.
Description of drawings
Fig. 1 is a radio transmitting device structural principle schematic diagram of the present invention;
Fig. 2 is the schematic flow sheet of radio transmitting method of the present invention;
Fig. 3 is the AT89C51SND1 Fundamentals of Mono-Chip Computers schematic diagram of one embodiment of the invention;
Fig. 4 is the ROK101 007 Bluetooth chip principle schematic of one embodiment of the invention;
Fig. 5 is the 74LVTH245 level translator principle of one embodiment of the invention and uses schematic diagram;
Fig. 6 is the theory diagram of the bluetooth receiving terminal of one embodiment of the invention;
Fig. 7 is the interface circuit principle schematic of one embodiment of the invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
With reference to figure 1, described a kind of radio transmitting device 100, be connected with external data memory 60, the data of external data memory 60 being stored by each unit cooperative work of radio transmitting device 100 send wirelessly, and radio transmitting device 100 comprises:
Level conversion unit 30 is connected with described control unit 20, and level conversion unit 30 is converted to the operating voltage of control unit 20 and wireless transmission unit 40 consistent.
Wireless transmission unit 40 is connected with described level conversion unit 30, sends and receive related data wirelessly.Wireless transmission unit 40 is based on the blue-tooth device of Bluetooth technology, and described blue-tooth device comprises Bluetooth chip 41.
In one embodiment, described radio transmitting device 100 also comprises display unit 50, and display unit 50 is connected with described control unit 20, shows that described radio transmitting device 100 receives and send the state of data.
Accordingly, with reference to figure 2, a kind of wireless data transmission method of the present invention is described in the mode of flow chart:
202. set up interface unit 10, used for the read-write external data memory.Interface unit 10, as the data transmission interface of described radio transmitting device 100 with external data memory 60, described interface unit 10 is complementary with the data-interface of described external data memory 60.
204. set up control unit 20, the data that described wireless transmission and process of compilation input are coordinated in control are predetermined data format.The work of described radio transmitting device 100 each unit is coordinated in control unit 20 controls and the data of process of compilation input are predetermined data format, described control unit 20 comprises programmable single chip computer 21 and decoder 22, single-chip microcomputer 21 is according to the transmission of preset program control data and reception and by the described external data memory 60 of described interface unit 10 read-writes, decoder 22 has the data compilation processing capacity, realizes that the data format between described external data memory 60 and the described wireless transmission unit 40 transforms.
206. set up level conversion unit 30, the operating voltage of correlation unit be converted to unanimity.Level conversion unit 30 is converted to the operating voltage of control unit 20 and wireless transmission unit 40 consistent.
208. set up wireless transmission unit 40, send and receive related data wirelessly.Wireless transmission unit 40 sends and receives related data wirelessly.Wireless transmission unit 40 is based on the blue-tooth device of Bluetooth technology, and described blue-tooth device comprises Bluetooth chip 41.
In addition,, can also set up display unit 50, show that described radio transmitting device 100 receives and send the state of data in order to see the status transmission of data intuitively.
In one embodiment, what the single-chip microcomputer 21 of control unit 20 adopted is that model is AT89C51SND1, and as shown in Figure 3, its core is the C51 single-chip microcomputer (20MHz) of ATMEL, and has increased the necessary various interface of MP3 on this basis.Itself is built-in with RAM, the 4KB guiding E2PROM of 2.3KB and the ROM of 64KB.Its major function is the decoding of mp3 file, the processing that USB interface is imported data into, the work that writes/read the FALSH flash memory and control the radio reception module.Main control singlechip 21 modules (comprise crystal concussion module) are used for controlling the batch processing of data flow of each passage and the running of file pressurization and encryption and system's display unit 50.What Bluetooth chip 41 adopted is the ROK101007 model Bluetooth chip that Ericsson produces, as shown in Figure 4, Bluetooth chip ROK101007 is a wireless/baseband module that is suitable for short haul connection, this bluetooth module integrated level height, power consumption is little, complete compatible bluetooth agreement V1.1, can embed in any equipment that needs Bluetooth function, ROK101007 is a complete Bluetooth chip according to Bluetooth protocol V1.1 exploitation, and it comprises wireless transceiver (PBA313 01/2), baseband controller, flash memory, power management module and five functional modules of clock.Writing HCI (host controller interface) instruction by serial ports between single-chip microcomputer 21 and the Bluetooth chip 41 can communicate, in view of single-chip microcomputer 21 operating voltages are+5V, the operating voltage of Bluetooth chip 41 is+3.3V, so adopt level conversion unit 30 to carry out power source conversion, what level conversion unit 30 adopted is that level translator 74LVTH245 carries out power source conversion, as shown in Figure 5.
In addition, the level translator that Bluetooth chip 41 (ROK101007) is MAX3232 by a model can be connected with a computer (PC), and then a receiving terminal of realization bluetooth, the signal data of reception can leave computer (PC) lining in, as shown in Figure 6.The interface of Bluetooth chip 41 and computer (PC) adopts standard serial mouth RS-232 mode to be connected, in order to make serial port RS-232 and Bluetooth chip 41 level match, adopt level translator MAX3232 to carry out level conversion between Bluetooth chip 41 and computer (PC) interface, their electric principle schematic as shown in Figure 7.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of above embodiment.
Claims (10)
1. a wireless data transmission device is characterized in that, comprising:
Interface unit is as the data transmission interface of described radio transmitting device and external data memory;
Control unit is connected with described interface unit, and the work of each unit of described radio transmitting device is coordinated in control and the data of process of compilation input are predetermined data format;
Level conversion unit is connected with described control unit, and level conversion unit is converted to the operating voltage of control unit and wireless transmission unit consistent;
Wireless transmission unit is connected with described level conversion unit, sends and receive related data wirelessly.
2. radio transmitting device according to claim 1, it is characterized in that, described control unit comprises programmable single chip computer and decoder, single-chip microcomputer is read and write described external data memory according to the transmission of preset program control data and reception and by described interface unit, decoder has the data compilation processing capacity, realizes that the data format between described external data memory and the described wireless transmission unit transforms.
3. radio transmitting device according to claim 1 is characterized in that described wireless transmission unit is based on the blue-tooth device of Bluetooth technology, and described blue-tooth device comprises Bluetooth chip.
4. radio transmitting device according to claim 1 is characterized in that described radio transmitting device also comprises display unit, and display unit is connected with described control unit, shows that described radio transmitting device receives and send the state of data.
5. radio transmitting device according to claim 1 is characterized in that the data-interface of described interface unit and described external data memory is complementary.
6. a wireless data transmission method is characterized in that, comprising:
Set up interface unit, make interface unit as data transmission interface to the external data memory read-write;
Set up control unit, making the work of each unit in the described radio transmitting method of control unit control coordination and the data of process of compilation input is predetermined data format;
Set up level conversion unit, make level conversion unit be converted to the operating voltage of control unit and wireless transmission unit consistent;
Set up wireless transmission unit, make the controlled unit controls of wireless transmission unit, send and receive related data wirelessly.
7. as radio transmitting method as described in the claim 6, it is characterized in that, described control unit comprises programmable single chip computer and decoder, single-chip microcomputer is read and write described external data memory according to the transmission of preset program control data and reception and by described interface unit, decoder has the data compilation processing capacity, realizes that the data format between described external data memory and the described wireless transmission unit transforms.
8. as radio transmitting method as described in the claim 6, it is characterized in that described wireless transmission unit is based on the blue-tooth device of Bluetooth technology, described blue-tooth device comprises Bluetooth chip.
9. as radio transmitting method as described in the claim 6, it is characterized in that described radio transmitting method is also set up display unit, make display unit show that described radio transmitting method receives and send the state of data.
10. as radio transmitting method as described in the claim 6, it is characterized in that the data-interface of described interface unit and described external data memory is complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100414219A CN101316118A (en) | 2007-05-29 | 2007-05-29 | Wireless data transmission device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100414219A CN101316118A (en) | 2007-05-29 | 2007-05-29 | Wireless data transmission device and method |
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| CN101316118A true CN101316118A (en) | 2008-12-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136557A (en) * | 2013-03-04 | 2013-06-05 | 深圳市易普森科技有限公司 | Card writing method and card reading and writing system |
| CN104779978A (en) * | 2014-01-14 | 2015-07-15 | 鸿富锦精密工业（深圳）有限公司 | Wireless pairing system |
| CN106992946A (en) * | 2017-05-23 | 2017-07-28 | 信联安宝（北京）科技有限公司 | Discrete radio management interchanger |
-
2007
- 2007-05-29 CN CNA2007100414219A patent/CN101316118A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103136557A (en) * | 2013-03-04 | 2013-06-05 | 深圳市易普森科技有限公司 | Card writing method and card reading and writing system |
| CN104779978A (en) * | 2014-01-14 | 2015-07-15 | 鸿富锦精密工业（深圳）有限公司 | Wireless pairing system |
| CN106992946A (en) * | 2017-05-23 | 2017-07-28 | 信联安宝（北京）科技有限公司 | Discrete radio management interchanger |
| CN106992946B (en) * | 2017-05-23 | 2022-10-21 | 信联安宝（北京）科技有限公司 | Discrete wireless management switch |
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Open date: 20081203 |