CN204613960U - A kind of Bluetooth card reader - Google Patents
A kind of Bluetooth card reader Download PDFInfo
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- CN204613960U CN204613960U CN201520303093.5U CN201520303093U CN204613960U CN 204613960 U CN204613960 U CN 204613960U CN 201520303093 U CN201520303093 U CN 201520303093U CN 204613960 U CN204613960 U CN 204613960U
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- bluetooth
- bluetooth signal
- signal
- card reader
- signal receiver
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Abstract
The utility model discloses a kind of Bluetooth card reader, comprising: Bluetooth signal receiver, the Bluetooth chip be connected with Bluetooth signal receiver, the interface modular converter be connected with Bluetooth chip, and the USB module be connected with interface modular converter.Wherein, Bluetooth chip comprises one for detecting the signal strength detection circuit of the intensity of Bluetooth signal, the Bluetooth signal that the bluetooth equipment received sends by Bluetooth signal receiver, be sent to Bluetooth chip, when signal strength detection circuit detects that the intensity of this Bluetooth signal exceedes predetermined threshold value, Bluetooth chip will process this Bluetooth signal, and the signal after process is sent to interface modular converter, serial data is transferred to general-purpose serial bus USB data by interface modular converter, and transfer to USB module, and then be sent to PC end.The utility model can judge whether the Bluetooth signal received is that bluetooth equipment to be read sends, and information Bluetooth signal can carried transfers to the display of PC end by USB interface.
Description
Technical field
The utility model relates to radio communication and Bluetooth transmission field, particularly relates to a kind of Bluetooth card reader.
Background technology
Along with the generally application of Bluetooth technology, increasing equipment adds bluetooth applications, but when receiving the Bluetooth signal that multiple bluetooth equipment sends, accurately cannot judge which is correct bluetooth equipment, and when Bluetooth function do not supported by PC, just cannot read with the data message on bluetooth equipment.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of Bluetooth card reader, and solving multiple bluetooth equipment cannot accurate discrimination identity, and PC is difficult to the problem of the data message read on bluetooth equipment.
According to an aspect of the present utility model, provide a kind of Bluetooth card reader, comprising:
For receiving the Bluetooth signal receiver of the Bluetooth signal that bluetooth equipment send;
The Bluetooth chip be connected with Bluetooth signal receiver, wherein, Bluetooth chip comprises one for detecting the signal strength detection circuit of the intensity of Bluetooth signal;
The interface modular converter be connected with Bluetooth chip, this interface modular converter is used for the Bluetooth signal meeting preset strength threshold value that circuit for detecting intensity of received signal sends and carries out serial ports to it and turn general-purpose serial bus USB protocol conversion; And
The USB module be connected with interface modular converter, receives the signal of Bluetooth chip transmission and is sent to PC end by USB interface.
Alternatively, Bluetooth signal receiver comprises:
For receiving the antenna circuit of Bluetooth signal;
The filtering circuit be connected with antenna circuit, the Bluetooth signal that filtering circuit is used for antenna circuit receives carries out filter and amplification.
Alternatively, this Bluetooth card reader also comprises: electric supply installation, and the USB interface that one end is held with PC is connected, and the other end is connected with Bluetooth signal receiver.
Alternatively, electric supply installation comprises: DC-DC power supply module, and the USB interface that one end is held with PC is connected, and the other end is connected with Bluetooth signal receiver.
Alternatively, electric supply installation comprises: low-pressure linear voltage stabilizer, and the USB interface that one end is held with PC is connected, and the other end is connected with Bluetooth signal receiver.
The beneficial effect of embodiment of the present utility model is: a kind of Bluetooth card reader, by the Bluetooth signal that the bluetooth equipment received sends by Bluetooth signal receiver, be sent to Bluetooth chip, when signal strength detection circuit detects that the intensity of this Bluetooth signal exceedes predetermined threshold value, Bluetooth chip will process this Bluetooth signal, and the signal after process is sent to interface modular converter, serial data is transferred to general-purpose serial bus USB data by interface modular converter, and transfer to USB module, and then be sent to PC end.This Bluetooth card reader can judge whether the Bluetooth signal received is that bluetooth equipment to be read sends, and information Bluetooth signal can carried transfers to the display of PC end by USB interface.
Accompanying drawing explanation
Fig. 1 represents the structural representation one of Bluetooth card reader of the present utility model;
Fig. 2 represents the structural representation two of Bluetooth card reader of the present utility model;
Fig. 3 represents the structural representation one of electric supply installation in the utility model embodiment;
Fig. 4 represents the structural representation two of electric supply installation in the utility model embodiment.
Wherein in figure: 1, bluetooth equipment, 2, Bluetooth signal receiver, 3, Bluetooth chip, 4, interface modular converter, 5, USB module, 6, PC end, 7, electric supply installation;
71, DC-DC power supply module, 72, low-pressure linear mu balanced circuit.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present utility model is described in more detail.Although show exemplary embodiment of the present utility model in accompanying drawing, however should be appreciated that can realize the utility model in a variety of manners and not should limit by the embodiment set forth here.On the contrary, provide these embodiments to be in order to more thoroughly the utility model can be understood, and complete for scope of the present utility model can be conveyed to those skilled in the art.
Embodiment
Full-fledged along with Bluetooth technology, has related to the application of Bluetooth technology, such as: introduce smart bluetooth bracelet in intelligent medical, with the omnibearing understanding patient information of convenient medical personnel in increasing field.But because prior art cannot accurately judge bluetooth equipment identity, when receiving the Bluetooth signal that multiple bluetooth equipment sends, just accurately cannot judge which is bluetooth equipment to be read, and when bluetooth equipment do not possess Presentation Function and display device not bluetooth enable time, just can not from read data information bluetooth equipment.In order to solve the problem, as shown in Figure 1, embodiment of the present utility model provides a kind of Bluetooth card reader, comprise: the Bluetooth signal receiver 2 that can receive the Bluetooth signal that bluetooth equipment 1 sends, the Bluetooth chip 3 be connected with Bluetooth signal receiver 2, the interface modular converter 4 be connected with Bluetooth chip 3, and the USB module 5 be connected with interface modular converter 4.Wherein, Bluetooth chip 3 comprises one for detecting the signal strength detection circuit of the intensity of Bluetooth signal.Carry the identity information of self in the Bluetooth signal that bluetooth equipment 1 sends and be stored in local data message, the Bluetooth signal that Bluetooth signal receiver 2 will receive, be sent to Bluetooth chip 3, when signal strength detection circuit detects that the intensity of this Bluetooth signal exceedes predetermined threshold value, Bluetooth chip 3 will process this Bluetooth signal, and the signal after process is sent to interface modular converter 4, serial data is transferred to general-purpose serial bus USB data by interface modular converter 4, and transfer to USB module 5, and then be sent to PC end 6, hold 6 can read the data message stored in bluetooth equipment 1 to make PC.It is worthy of note, adopt this Bluetooth card reader except making PC and holding 1 data read in bluetooth equipment 1, can also make that there is the data message in the display device reading bluetooth equipment 1 of USB interface.
In embodiment of the present utility model, detect by signal strength detection circuit the Bluetooth signal received and whether exceed predetermined threshold value, to realize confirming bluetooth equipment quickly and accurately; Make the display device of not bluetooth enable can read the data stored in bluetooth equipment easily by interface modular converter simultaneously, realize data sharing.
In intelligent medical field, hospital is patient wears's smart bluetooth bracelet, all stores respective medical record information, treatment daily record and other data messages in the smart bluetooth bracelet that each patient wears.When patient goes dispensary's inquiry own situation or treatment situation, this Bluetooth card reader only need insert in the USB interface of PC end 6 by medical personnel, the smart bluetooth bracelet of patient is near this Bluetooth card reader, Bluetooth signal receiver 2 will receive the Bluetooth signal of smart bluetooth bracelet transmission, and transfer in Bluetooth chip 3, when signal strength detection circuit detects that the intensity of the Bluetooth signal received exceedes predetermined threshold value, Bluetooth chip 3 will carry out Treatment Analysis to this Bluetooth signal, and the signal after Treatment Analysis is sent to interface convertor 4, the Bluetooth signal serial data received can be converted to the usb data of general-purpose serial bus USB agreement by interface convertor 4, again by the USB data transmission that obtains to USB module 5, and transfer to PC end 6 by USB module 5, because PC end 6 is all equipped with USB interface, and can usb data be read.Such medical personnel need not browse Medical record, and directly 6 can be held to check the medical record information of patient or treatment daily record etc. at PC.It is worthy of note, above application is only the example of an application aspect of this Bluetooth card reader, and this Bluetooth card reader can also be applied to other field such as school etc.
Alternatively, as shown in Figure 1, Bluetooth signal receiver 2 is mainly used in receiving the Bluetooth signal that bluetooth equipment 1 around sends, Bluetooth signal receiver 2 mainly comprises: the antenna circuit receiving Bluetooth signal, and the filtering circuit to be connected with antenna circuit, wherein, filtering circuit is mainly used in carrying out filtering and noise reduction acoustical signal to the Bluetooth signal received, and the amplification to useful Bluetooth signal.
Alternatively, as shown in Figure 2, this Bluetooth card reader also comprises: electric supply installation 7, electric supply installation 7 is mainly used in as Bluetooth signal receiver 2 is powered, wherein, one end and the PC of electric supply installation 7 hold the USB interface of 6 to be connected, and directly can utilize the output voltage of USB interface, the other end of electric supply installation 7 is connected with Bluetooth signal receiver 2, for it provides electric energy support.
Alternatively, electric supply installation directly can utilize the output voltage of USB interface, the i.e. direct current of 5V, as shown in Figure 3, this electric supply installation comprises: one end and PC hold the USB interface of 6 to be connected, the DC-DC power supply module 71 that the other end is connected with Bluetooth signal receiver 2, i.e. DCDC power module, DCDC power module is used for low-voltage DC being converted to the DC voltage that can be Bluetooth signal receiver 2 and power, as 5V direct current is converted to the direct current of 2.5V to 3.6V, the supply voltage of general Bluetooth antenna is 3.3V, therefore output voltage can be selected to be the DCDC power module of 3.3V.
Alternatively, the physical circuit of above electric supply installation can design according to actual needs, existing various transforming circuit or change-over circuit have multiple, as shown in Figure 4, above-mentioned DCDC power module can be changed to low-pressure linear voltage stabilizer 72, i.e. LDO circuit, the direct current of 5V also can be converted to the voltage of stable 2.5V to 3.6V by LDO circuit.
Above-described is preferred implementation of the present utility model; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite described in the utility model, these improvements and modifications are also in protection domain of the present utility model.
Claims (5)
1. a Bluetooth card reader, is characterized in that, comprising:
For receiving the Bluetooth signal receiver of the Bluetooth signal that bluetooth equipment send;
The Bluetooth chip be connected with described Bluetooth signal receiver, wherein, described Bluetooth chip comprises one for detecting the signal strength detection circuit of the intensity of described Bluetooth signal;
The interface modular converter be connected with described Bluetooth chip, described interface modular converter is for the Bluetooth signal meeting preset strength threshold value that receives described signal strength detection circuit and send and carry out serial ports to described Bluetooth signal and turn general-purpose serial bus USB protocol conversion; And
The USB module be connected with described interface modular converter, receives the signal of described Bluetooth chip transmission and is sent to PC end by USB interface.
2. Bluetooth card reader according to claim 1, is characterized in that, described Bluetooth signal receiver comprises:
For receiving the antenna circuit of Bluetooth signal;
The filtering circuit be connected with described antenna circuit, described filtering circuit is used for carrying out filter and amplification to the Bluetooth signal that described antenna circuit receives.
3. Bluetooth card reader according to claim 1, is characterized in that, also comprises: electric supply installation, and the USB interface that one end is held with described PC is connected, and the other end is connected with described Bluetooth signal receiver.
4. Bluetooth card reader according to claim 3, is characterized in that, described electric supply installation comprises: DC-DC power supply module, and the USB interface that one end is held with described PC is connected, and the other end is connected with described Bluetooth signal receiver.
5. Bluetooth card reader according to claim 3, is characterized in that, described electric supply installation comprises: low-pressure linear voltage stabilizer, and the USB interface that one end is held with described PC is connected, and the other end is connected with described Bluetooth signal receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303093.5U CN204613960U (en) | 2015-05-12 | 2015-05-12 | A kind of Bluetooth card reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303093.5U CN204613960U (en) | 2015-05-12 | 2015-05-12 | A kind of Bluetooth card reader |
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| Publication Number | Publication Date |
|---|---|
| CN204613960U true CN204613960U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520303093.5U Active CN204613960U (en) | 2015-05-12 | 2015-05-12 | A kind of Bluetooth card reader |
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| CN (1) | CN204613960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107330299A (en) * | 2017-08-14 | 2017-11-07 | 佛山科学技术学院 | A kind of medical information management system |
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2015
- 2015-05-12 CN CN201520303093.5U patent/CN204613960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107330299A (en) * | 2017-08-14 | 2017-11-07 | 佛山科学技术学院 | A kind of medical information management system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 702, 7th floor, NO.67, Beisihuan West Road, Haidian District, Beijing 100089 Patentee after: Beijing Yunji Technology Co.,Ltd. Address before: Room 201, building 4, yard 8, Dongbeiwang West Road, Haidian District, Beijing 100094 Patentee before: BEIJING YUNJI TECHNOLOGY Co.,Ltd. |