CN203313184U

CN203313184U - Device achieving near field communication function via audio interface and Bluetooth

Info

Publication number: CN203313184U
Application number: CN2013204073426U
Authority: CN
Inventors: 陈业军
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-10
Filing date: 2013-07-10
Publication date: 2013-11-27
Anticipated expiration: 2023-07-10

Abstract

The utility model discloses a device achieving a near field communication function via an audio interface and the Bluetooth. The device comprises a housing and a PCB arranged in the housing; an NFC chip, an NFC antenna, a control chip, a Bluetooth antenna, the audio interface and the like are arranged on the PCB; the NFC antenna is connected with the NFC chip; the NFC antenna is used for communicating with an external NFC device; the NFC chip transmits a signal picked up via communication to the control chip; and the control chip transmits the signal to terminal equipment via an embedded Bluetooth module and the Bluetooth antenna, so the terminal equipment has an NFC function. The device is connected with the terminal equipment like a mobile phone via the audio interface, and provides power for an inner function module via the audio interface, and performs inner communication via the terminal equipment via the Bluetooth, so the equipment has the NFC function without any hardware adjustment for inner hardware; and the device can be dismounted very easily when not in use, and facilitates the promotion and popularization of the NFC application.

Description

A kind of device of realizing near field communication (NFC) function by audio interface and bluetooth

Technical field

The utility model relates to the mobile communication technology field, in particular, relates to a kind of device of realizing near-field communication (Near Field Communication, NFC) function by audio interface and bluetooth.

Background technology

NFC is by Sony (Sony), and NXP (being derived from the Philips semiconductor) and Nokia (Nokia) proposed in 2004, and it makes between electronic equipment can carry out the communication of short distance.The appearance of NFC technology, greatly promoted the progress that radio-frequency (RF) identification (Radio Frequency Identification, RFID) technology and mobile communication technology merge mutually, draws many new application models.

In the process of implementing the utility model creation, the inventor finds, universal and popularization along with the NFC function, the demand that these functions are set is arranged in many terminal equipments, this often need to add corresponding hardware module at terminal inner, and the space of terminal inner is original just very limited, difficulty is very large so realize, particularly for the terminal equipment of having issued, these have been held in the equipment in consumer's hand, if allow ordinary consumer realize this type of function by this professional very high mode of above-mentioned interpolation hardware module, unpractical especially.This is unfavorable for popularizing of NFC application undoubtedly very much.

The utility model content

For the above-mentioned technical problem of mentioning, the utility model provides a kind of device of realizing the NFC function by audio interface and bluetooth, this device inside comprises the modules such as NFC chip, NFC antenna and Bluetooth antenna, and be connected with terminal by audio interface, by bluetooth and devices communicating, namely need, in the situation that terminal inner adds hardware, not make terminal possess the NFC function.

The technical scheme that the utility model provides is as follows:

A kind of device, can realize near-field communication NFC function by audio interface, comprises the pcb board in housing and housing, and described pcb board is provided with NFC antenna, NFC chip, control chip, Bluetooth antenna, booster circuit and audio interface, wherein:

Described control chip, comprise bluetooth module, and the NFC antenna that it drives described NFC chip and is attached thereto, communicate with outside NFC equipment, and the signal that described NFC antenna is provided is transferred to equipment by described Bluetooth antenna;

Described audio interface and equipment connection, and equipment provides operating voltage by described audio interface and booster circuit for installing inside.

Preferential, in said apparatus, described NFC antenna is formed by the copper zone etching of covering on described pcb board.

Preferential, in said apparatus, described NFC antenna is arranged on the periphery of described pcb board, and it is enclosed in described NFC chip and control chip middle.

Preferential, in said apparatus, described NFC chip is supported some NFC standards.

Preferential, in said apparatus, the specification of described audio interface is 2.5mm or 3.5mm.

Preferential, in said apparatus, described pcb board is the multi-layer PCB board that insulating material is made.

Preferential, in said apparatus, described housing is that insulating material is made, in the middle of it is compressed on described pcb board.

Preferential, in said apparatus, described housing is rectangular structure.

Compared with prior art, the device inside that the utility model provides comprises the modules such as NFC chip, NFC antenna and Bluetooth antenna, it is connected with terminal equipments such as mobile phones by audio interface, without in space own, adding hardware module with regard to limited device interior, this point, for the terminal equipment be held in consumer's hand, is even more important.In addition, than at device interior, adding the mode of the hardware such as label antenna, the coil of the NFC antenna in this device is arranged on the periphery of whole device, due to around there is no the object blocks such as metal, the efficiency of antenna transmission can improve like this, and performance also can be more stable.Due to what adopt, be mode and the equipment connection plugged by audio interface, thus when not needing to use, can also not unload at any time, very convenient.

The accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 exemplarily shows the annexation schematic diagram of the modules of a kind of device that the utility model embodiment provides;

Fig. 2 exemplarily shows position and the shape schematic diagram of each device on pcb board of a kind of device that the utility model embodiment provides.

Embodiment

A kind of device of realizing the NFC function by audio interface and bluetooth that the utility model provides, this device inside comprises the modules such as NFC chip, NFC antenna and Bluetooth antenna, and be connected with terminal by audio interface, namely need, in the situation that terminal inner adds hardware, not make terminal possess the NFC function.

For making the purpose of this utility model, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, but not whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making each other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.

A kind of device of realizing the NFC function by audio interface and bluetooth that the utility model embodiment provides, described device comprises the pcb board in housing and housing, on described pcb board, be provided with NFC antenna 1, NFC chip 2, control chip 3, audio interface 4, booster circuit 5 and Bluetooth antenna 6, please refer to Fig. 1.

Described NFC antenna 1 carries out information interaction with the NFC equipment of terminal equipment outside, receive that signal is transferred to described NFC chip 2, described NFC chip 2 is connected with described control chip 3, described control chip 3 is core processing module of this device, its inside comprises bluetooth module, the signal that described control chip 3 passes over described NFC antenna component 2 by described Bluetooth antenna 6 finally is transferred to terminal equipment and processes, thereby makes terminal equipment have the NFC function.

Described NFC chip 2, for supporting the composite chip of some NFC standard agreements, can be handled it by described control chip 3, thereby take the communication pattern consistent with outside NFC equipment.

Described audio interface 4 is connected with the audio interface of terminal equipment, be used to this device inside that operating voltage is provided, because the output voltage of terminal equipment and the required operating voltage of this device are not mated, so on pcb board, also comprise booster circuit 5, described booster circuit 5 is connected with described audio interface 4, is responsible for converting the output voltage of terminal equipment to required operating voltage.

Described audio interface 4 comprises the power supply port and with reference to two parts in ground, wherein said power supply port is that described booster circuit 5 becomes voltage energy by this Square-wave demodulation again be used to transmitting the electric energy square wave, for power supply.Described is to connect for ground with reference to the ground part, with each functional module of protective device inside.

The specification of described audio interface 4 is 3.5mm commonly used, certainly, also can be set to 2.5mm or other sizes, or the form that the interface of several specifications of commonly using can be arranged to be connected in parallel, so just can support the terminal equipment of how different audio interface specifications.

Please refer to Fig. 2, the position for each device on pcb board and shape schematic diagram.

Described NFC antenna 1 is arranged on the periphery of described pcb board, and in the middle of the modules such as described NFC chip 2 and control chip 3 are enclosed in, owing to around antenna, there is no the object blocks such as metal, so both improved the efficiency of transmission of antenna, performance is also more stable simultaneously, has avoided use procedure the communication barrier to occur.

Described NFC antenna 1 is by the part on described pcb board, to cover the copper zone to form through over etching, and described etching namely prints to and covers on Copper Foil or cladded aluminum foil by the shape that screen printer spreads copper as required by anticorrosion printing ink, then with etching machines, the remainder metal is dissolved away.

Other cover the copper zone the basis of part as the described NFC chip 2 of welding, control chip 3, audio interface 4 and Bluetooth antenna 6, has part can form the connecting line between each parts through over etching.

Described pcb board is multi-layer PCB board, and thickness is generally 1.0～2.0mm, its upper and lower two-layer above-mentioned copper zone of covering that is, and also comprise with reference to stratum and voltage layer in the middle of it, the two is connected with described audio interface 4, for the protection of the circuit on described pcb board or chip etc.The constituent material of described pcb board can be FR-4 or other dielectric materials.

The periphery of described pcb board is the housing that insulating material forms, and described insulating material can adopt the materials such as PVC or ABS, in the middle of described housing is compressed on pcb board, and can fix described audio interface 4, thereby form a complete integral body.

Described housing can be rectangular structure, certainly, can be also other shape and structures, is not repeated herein.

In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can be referring to the associated description of other embodiment.

Finally, also it should be noted that, in this article, relational terms such as the first and second grades only is used for an entity or operation are separated with another entity or operating space, and not necessarily requires or imply between these entities or operation the relation of any this reality or sequentially of existing.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make the process, method, article or the equipment that comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as the intrinsic key element of this process, method, article or equipment.In the situation that not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.

Above scheme provided by the utility model is described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, all will change in specific embodiments and applications, to sum up, this description should not be construed as restriction of the present utility model.

Claims

1. device of realizing near-field communication NFC function by audio interface and bluetooth, comprise the printing board PCB plate in housing and housing, it is characterized in that, described pcb board is provided with NFC antenna, NFC chip, control chip, Bluetooth antenna, booster circuit and audio interface, wherein:

2. device according to claim 1, is characterized in that, described NFC antenna is formed by the copper zone etching of covering on described pcb board.

3. device according to claim 2, is characterized in that, described NFC antenna is arranged on the periphery of described pcb board, and it is enclosed in described NFC chip and control chip middle.

4. device according to claim 3, is characterized in that, described NFC chip is supported some NFC communication standards.

5. device according to claim 4, is characterized in that, the specification of described audio interface is 2.5mm or 3.5mm.

6. according to the described device of claim 2～5 any one, it is characterized in that, described pcb board is the multi-layer PCB board that insulating material is made.

7. device according to claim 6, is characterized in that, described housing is that insulating material is made, in the middle of it is compressed on described pcb board.

8. device according to claim 7, is characterized in that, described housing is rectangular structure.