CN218300261U

CN218300261U - NFC antenna device and radio frequency terminal

Info

Publication number: CN218300261U
Application number: CN202222410162.5U
Authority: CN
Inventors: 贾晓龙; 方传彪; 张波; 郭颂
Original assignee: Shenzhen Urovo Technology Corp ltd
Current assignee: Shenzhen Urovo Technology Corp ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-01-13
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a NFC antenna device and radio frequency terminal relates to the radio frequency technology field, and the NFC antenna device is used for connecting a mainboard, and comprises a NFC antenna and a cable connected with the NFC antenna; the cables are arranged along a preset track, and the end parts of the cables are connected and conducted with the main board. The NFC antenna can be arranged at intervals with the mainboard by additionally arranging the cable on the NFC antenna, and is not required to be arranged on the mainboard or at the edge of the mainboard and the like, so that the flexibility of position arrangement is effectively improved; simultaneously, can be with the position department that the NFC antenna setting is idle and more convenient to use on the product to improve the compactness of using improvement product when convenient degree.

Description

NFC antenna device and radio frequency terminal

Technical Field

The utility model relates to a radio frequency technology field, more specifically say, relate to a NFC antenna device and radio frequency terminal.

Background

The rf terminal plays an important role in reading data in the NFC antenna device built therein, and is an important element for interacting with an external electronic tag or the like. However, the NFC antenna device itself needs to be directly disposed on the motherboard due to its structural characteristics, and is connected to the motherboard through a structure such as a spring plate;

therefore, the radio frequency terminal is often designed by considering the setting position of the NFC antenna, and certain inconvenience is brought in the actual use process, for example, when an original such as a display screen is arranged on the front surface, the display screen and the main board are very attached to each other, and when the position is limited, the NFC antenna is usually arranged on the back surface of a product, and a user needs to place an electronic tag behind the NFC antenna each time the user operates the terminal, which makes the operation inconvenient;

moreover, when the NFC antenna needs to be arranged close to the motherboard, a certain protrusion needs to be formed on the housing to avoid the installation space of the NFC antenna, and the presence of the protrusion may reduce the overall compactness of the product;

in general, the NFC antenna has poor flexibility in positioning, which causes inconvenience in use of the radio frequency terminal and low overall compactness.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in providing a position sets up strong and convenient to use's NFC antenna device of flexibility and radio frequency terminal.

The utility model provides a technical scheme that its technical problem adopted is:

the application provides an NFC antenna device which is used for being connected with a mainboard and comprises an NFC antenna and a cable connected with the NFC antenna;

the cables are arranged along a preset track, and the end parts of the cables are connected and conducted with the main board.

In some embodiments, the cable is coaxial.

In some embodiments, the NFC antenna device further comprises a detachable connection mechanism;

the detachable connecting mechanism comprises a radio frequency connector arranged at the end part of the cable and a radio frequency connecting seat arranged on the mainboard; the radio frequency connector is inserted in the radio frequency connecting seat.

In some embodiments, a soldering site is disposed on the NFC antenna, and the wire is soldered to the inside of the soldering site.

In some embodiments, the NFC antenna device further includes a connector disposed on the cable, the connector being connected to the NFC antenna.

In some embodiments, the NFC antenna includes an antenna body and an antenna line disposed on the antenna body, the antenna line being connected to the cable.

On the other hand, the present application further provides a radio frequency terminal, which includes a housing and the NFC antenna device described in any one of the above, where the motherboard and the NFC antenna device are respectively disposed in the housing.

In some embodiments, the housing is provided with a mounting position and a through hole positioned in the mounting position;

the NFC antenna set up in the installation position, the cable is worn to establish the through-hole.

In some embodiments, the housing comprises a face shell with a contour groove, a bottom shell connected with the face shell, and a patch;

the mounting position is defined on the face shell by the contour groove, the groove wall profile of the contour groove is matched with the NFC antenna, and the patch is used for shielding the NFC antenna in the contour groove.

In some embodiments, the front shell is further provided with a avoiding groove, the avoiding groove and the contour groove are arranged side by side, the radio frequency terminal further comprises a display device arranged in the avoiding groove, and the display device is connected with the main board.

The utility model discloses a NFC antenna device and radio frequency terminal have following beneficial effect at least:

the utility model discloses a NFC antenna device and radio frequency terminal relates to the radio frequency technology field, and on the NFC antenna device, through add the cable on the NFC antenna, make NFC antenna and mainboard interval set up, need not restrict to set up on the mainboard or mainboard edge wait the position, improved the position effectively and set up the flexibility; simultaneously, can set up the position department that sets up idle and more convenient to use on the product with the NFC antenna to improve the compactness of improving the product when using convenient degree.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural diagram of a radio frequency terminal according to a preferred embodiment of the present invention;

fig. 2 is an exploded view of the rf terminal of fig. 1;

fig. 3 is a schematic structural diagram of an NFC antenna device according to a preferred embodiment of the present invention;

fig. 4 is a schematic diagram of an internal structure of the rf terminal shown in fig. 1;

fig. 5 is an enlarged view of the rf terminal of fig. 4 at a.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 illustrate a radio frequency terminal 10 according to some preferred embodiments of the present invention, which is used for reading data and/or rewriting data of an electronic tag.

As shown in fig. 1 and 2, the radio frequency terminal 10 includes a housing 1, a main board 2 and an NFC antenna device 3, the main board 2 and the NFC antenna device 3 are respectively disposed in the housing 1, and the NFC antenna device 3 is connected to the main board 2.

It will be appreciated that the housing 1 serves to house the motherboard 2 and also to mount the NFC antenna device 3. The main board 2 is used for executing preset program steps and the like. The NFC antenna device 3 is used for interacting with an electronic tag under the driving of the main board 2.

As shown in fig. 2 to 5, the NFC antenna device 3 includes an NFC antenna 31 and a cable 32 connected to the NFC antenna 31; the cables 32 are arranged along a predetermined track, and the ends of the cables 32 are connected and conducted to the motherboard 2.

It can be understood that the NFC antenna 31 is used to generate a predetermined magnetic field, and the like, and the NFC antenna 31 may adopt various components commonly used in the related art and capable of being used for near field communication interaction, and its external profile is flexibly adjusted according to a specific setting position on the housing 1 of the radio frequency terminal 10; the cable 32 is used for conductively connecting the NFC antenna 31 and the main board 2; specifically, the cable 32 may be coaxial in some embodiments.

It can also be understood that the cables 32 arranged along the predetermined track refer to a specific direction of the cables 32 in the housing 31, and the predetermined track includes, but is not limited to, through holes or channels formed on the structural member to be penetrated, and also includes, for example, a routing groove body defined by a wire groove and the like; of course, the predetermined track also needs to avoid the installation positions of elements such as display screen elements, switches and jacks, and reduce the mutual interference with the installation positions of the other elements as much as possible. The length of the cable 32 itself is flexibly set depending on the predetermined trajectory.

In the radio frequency terminal 10 in the related art, the NFC antenna 31 and the motherboard 2 are usually directly connected by a structure such as a spring plate, and when the NFC antenna 31 and the motherboard 2 are arranged adjacent to each other or overlapped with each other, it is inevitable that a protruding portion is formed on the housing 31 to avoid a cavity or a slot sufficient for accommodating the NFC antenna 31, and the protruding portion usually protrudes from the back surface so as not to cause positional interference with an output element such as a display screen or an input element such as a keyboard arranged on the front surface, and thus, the electronic tag needs to be arranged on the back surface for sensing; in the actual use process, the electronic tag and the NFC antenna 31 need to be accurately aligned at the back of the product, and the problem of poor induction caused by the deviation of the electronic tag is easily caused due to the fact that a user needs to visually observe a screen and the like to operate while the operation is complicated;

and adopt the technical scheme of this embodiment, can combine the position that sets up of whole each spare part of radio frequency terminal 10 to select the position that sets up of NFC antenna 31, especially can set up NFC antenna 31 in the front of shell 1, set up promptly on the same side with input/output element promptly, improved the convenient degree of use, greatly improved the flexibility that the position of NFC antenna device 3 set up.

As shown in fig. 2 and 3, the NFC antenna device 3 further includes a detachable connection mechanism 33 in some embodiments; the detachable connection mechanism 33 comprises a radio frequency connector 331 arranged at the end of the cable 32 and a radio frequency connection seat 332 arranged on the mainboard 2; the rf connector 331 is plugged into the rf connector 332.

As can be appreciated, the detachable connection mechanism 33 is used to conduct the cable 32 with the motherboard 2 to conduct the motherboard 2 and the NFC antenna 31. The assembly and disassembly can be facilitated by using the rf connector 331 and the rf connector socket 332 as the connection medium between the cable 32 and the motherboard 2.

As shown in fig. 3, in some embodiments of the NFC antenna device 3, a soldering site 3111 is disposed on the NFC antenna 31, and a cable 32 is soldered to the soldering site 3111.

It can be understood that the end of the cable 32 away from the motherboard 2 is soldered to the NFC antenna 31, and the cable may be soldered directly or may have another structure for assisting soldering added therebetween.

The NFC antenna device 3 further includes a connector (not shown) provided on the cable 32 in some embodiments, and the connector is connected to the NFC antenna 31.

It is to be understood that the connector may be any connector commonly used in the related art that can be disposed on the FPC, and a pin on the connector may be electrically connected to a line on the NFC antenna 31 by soldering.

As shown in fig. 3, in some embodiments of the NFC antenna device 3, the NFC antenna 31 includes an antenna body 311 and an antenna line 312 disposed on the antenna body 311, and the antenna line 312 is connected to the cable 32.

It is understood that the antenna body 311 may be a carrier of a flexible circuit board, and may also be other components capable of providing a required induction circuit, and the antenna circuit 312 is used for generating a required magnetic field under the driving of the motherboard 2.

As shown in fig. 2 and 5, in some embodiments of the rf terminal 10, the housing 1 is provided with a mounting position 111 and a through hole 112 located in the mounting position 111; the NFC antenna 31 is disposed in the mounting position 111, and the cable 32 passes through the through hole 112.

As can be appreciated, the mounting location 111 is used to correspond to mounting of the NFC antenna 31; the opening position of the through hole 112 is preferably configured to correspond to the connection position of the cable 32 and the NFC antenna 31, in particular, after the NFC antenna 31 is correctly installed in the installation position 111, the connection position of the cable 32 and the NFC antenna 31 is aligned with the through hole 112.

As shown in fig. 2 and 3, in some embodiments of the rf terminal 10, the housing 1 includes a face shell 11 having a contour groove 113, a bottom shell 12 connected to the face shell 11, and a patch 13; the mounting position 111 is defined by the curved groove 113 on the face housing 11, the groove wall profile of the curved groove 113 is matched with the NFC antenna 31, and the patch 13 is used for shielding the NFC antenna 31 in the curved groove 113.

It is understood that the front shell 11 and the bottom shell 12 are connected to each other to define a cavity for accommodating the motherboard 2; the patch 13 is used to protect the NFC antenna 31. After the NFC antenna 31 is placed in the shape-imitating groove 113, each edge of the NFC antenna 31 contacts each groove wall of the shape-imitating groove 113, so as to achieve the effect of positioning the NFC antenna 31.

As shown in fig. 2 and fig. 3, in some embodiments of the rf terminal 10, the front shell 11 is further provided with an avoiding groove 114, the avoiding groove 114 is arranged side by side with the contour groove 113, the rf terminal 10 further includes a display device 4 arranged in the avoiding groove 114, and the display device 4 is connected to the main board 2.

It can be understood that the spacing between the avoiding groove 114 and the contour groove 113 is small and the two are located on the same surface of the housing 1, and a user can complete the sensing of the electronic tag and the reading and writing of data on the same surface at the same time. The display device 4 may be configured as a touch screen.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and implement the present invention accordingly, which can not limit the protection scope of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An NFC antenna device is used for being connected with a mainboard and is characterized by comprising an NFC antenna and a cable connected with the NFC antenna;

2. The NFC antenna device of claim 1, wherein the cable is a coaxial cable.

3. The NFC antenna device of claim 1, further comprising a detachable connection mechanism;

4. The NFC antenna device of claim 1, wherein a soldering site is disposed on the NFC antenna, and the wire is soldered to the inside of the soldering site.

5. The NFC antenna device of claim 1, further comprising a connector disposed on the cable, the connector being connected to the NFC antenna.

6. The NFC antenna device according to claim 1, wherein the NFC antenna comprises an antenna body and an antenna line disposed on the antenna body, and the antenna line is connected to the cable.

7. A radio frequency terminal, comprising a housing and the NFC antenna device of any one of claims 1 to 6, wherein the motherboard and the NFC antenna device are respectively disposed in the housing.

8. The radio frequency terminal according to claim 7, wherein the housing is provided with a mounting location and a through hole located in the mounting location;

the NFC antenna is arranged in the installation position, and the cable penetrates through the through hole.

9. The radio frequency terminal according to claim 8, wherein the housing comprises a face shell with a contour groove, a bottom shell connected to the face shell, and a patch;

10. The radio frequency terminal according to claim 9, wherein the face shell is further provided with a avoiding groove, the avoiding groove and the contour groove are arranged side by side, the radio frequency terminal further comprises a display device arranged in the avoiding groove, and the display device is connected with the main board.