CN211980873U - Near field communication structure of mobile equipment and mobile equipment thereof - Google Patents

Abstract

The utility model provides a pair of mobile device's near field communication structure and mobile device thereof, mobile device's near field communication structure includes near field communication chip and near field communication irradiator, near field communication irradiator integration is on the flexible circuit board of screen winding displacement. By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses an it is integrated on the flexible circuit board of screen winding displacement to communicate the irradiator with near field, does not need solitary near field communication irradiator circuit board base plate, and the manufacturing cost of airport communication structure that can not only significantly reduce makes near field communication structure and uses its mobile device structure compacter moreover, and the framework is littleer, saves the inside limited space of communication equipment.

Description

Near field communication structure of mobile equipment and mobile equipment thereof

Technical Field

The utility model belongs to the technical field of the mobile communication equipment technique and specifically relates to a near field communication structure of mobile device and mobile device thereof is related to.

Background

Needless to say, Near Field Communication (NFC) technology has become widely used in electronic products in recent years. Generally, mobile devices have a basic NFC structure that requires a separate NFC radiating antenna to be attached to the outside of the mobile device. However, with the development of miniaturization and compactness of electronic products, how to mount an NFC antenna on the premise of saving cost and space and not losing the NFC function is an urgent problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of mobile device's near field communication structure, mobile device's near field communication structure includes near field communication chip and near field communication irradiator, near field communication irradiator integration is on the flexible circuit board of screen winding displacement.

In one embodiment, the near field communication radiator is disposed on a surface layer of the flexible circuit board.

In one embodiment, the near field communication radiator is a radiation trace printed on a surface layer of the flexible circuit board, the radiation trace is provided with a first signal interface and a second signal interface, and the first signal interface and the second signal interface are respectively used for being connected with a near field communication structure chip.

In one embodiment, the radiation trace is a ring structure in which the first signal interface and the second signal interface are not connected.

In one embodiment, the first signal interface and the second signal interface are connected to the nfc chip through pin headers.

The novel mobile device that still provides of this implementation, the mobile device is equipped with near field communication structure as above.

In one embodiment, the mobile device further includes a fingerprint identification cable electrically connected to the screen cable, and the near field communication radiator (100) is integrated on a flexible circuit board of the fingerprint identification cable.

In one embodiment, the housing of the mobile device is a non-metallic housing.

In one embodiment, the flexible circuit board of the screen cable is stacked under a non-metallic housing portion of the mobile device.

In one embodiment, the flexible circuit board of the screen cable is provided with ferrite on a side opposite to the near field communication radiator.

By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses an it is integrated on the flexible circuit board of screen winding displacement to communicate the irradiator with near field, does not need solitary near field communication irradiator circuit board base plate, and the manufacturing cost of airport communication structure that can not only significantly reduce makes near field communication structure and uses its mobile device structure compacter moreover, and the framework is littleer, saves the inside limited space of communication equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the mobile communication device with the housing removed according to the present invention;

fig. 2 is a schematic diagram of the relative positions of the near field communication structure, the housing and the battery in the mobile device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model discloses a first big facet provides a near field communication structure of mobile device, as shown in fig. 1 and fig. 2, the utility model discloses a near field communication structure includes near field communication chip (not shown in the figure) and near field communication irradiator 100, and wherein, near field communication irradiator 100 is integrated on the flexible circuit board 200 of screen winding displacement.

By integrating the near field communication radiator 100 on the flexible circuit board 200 of the screen bus, an independent circuit board substrate of the near field communication radiator 100 is not required, so that the manufacturing cost of the airport communication structure can be greatly reduced, the near field communication structure and the mobile device using the same are more compact in structure and smaller in framework, and the limited space in the communication device is saved.

Further preferably, the near field communication radiator 100 is disposed on a surface layer of the flexible circuit board 200. With near field irradiator setting on the top layer of the flexible circuit board 200 of screen winding displacement, on the one hand can make near field communication irradiator 100 carry out the magnetic field outwards radiation well, on the other hand does not influence the flexible circuit board 200 self structure of screen winding displacement yet, further the space that the flexible circuit board 200 that can also make full use of screen winding displacement occupy, do not need additionally to use and be used for setting up near field communication irradiator 100 circuit board, the space that near field communication irradiator 100 took has significantly reduced, satisfy the trend that communication equipment developed to the miniaturization of compactness, and can also greatly reduced product manufacturing cost.

Preferably, the near field communication radiator 100 is a radiation trace printed on the surface layer of the flexible circuit board 200 of the screen flat cable, the radiation trace is provided with a first signal interface 110 and a second signal interface 120, and the first signal interface 110 and the second signal interface 120 are respectively used for connecting with a near field communication structure chip. During operation, an alternating current point signal of a circuit module of the near field communication chip is transmitted to the radiation routing line through the first signal interface 110 and the second signal interface 120, so that the radiation routing line forms a loop current of a closed loop to form a near field communication radiation antenna, a magnetic field is generated to radiate outwards, and then coupling communication with external communication equipment is completed.

For example, the radiation trace is a copper wire or a silver wire with a relatively large diameter, and other materials capable of performing electromagnetic radiation can be used to prepare the radiation trace. The impedance value of the near field communication radiator 100 is negatively related to the diameter of the radiation trace, and when the radiation trace is set, the diameter of the radiation trace should be properly adjusted according to the quality factor of the near field communication radiator and the near field communication chip.

Further preferably, the radiating trace is a ring structure in which the first signal interface 110 is not connected to the second signal interface 120. In the embodiment shown in fig. 1, the radiation traces are distributed on the flexible circuit board 200 of the screen flat cable in a rectangular ring shape, and two ports of the radiation traces are the first signal interface 110 and the second signal interface 120, respectively. In other embodiments, the radiation traces may also be adaptively changed according to the specific shape and the arrangement position of the flexible circuit board 200 of the screen flat cable, for example, when the flexible circuit board 200 of the screen flat cable needs to be arranged with rounded corners in accordance with the external shape of the communication device, the structure of the radiation traces may be correspondingly adjusted to be distributed on the flexible circuit board 200 of the screen flat cable along with the edge shape change of the flexible circuit board 200 of the screen flat cable, so as to enhance the radiation signal intensity and range of the radiation traces by using the structure of the flexible circuit board 200 of the screen flat cable as much as possible.

Further preferably, the radiation traces are distributed on the flexible circuit board 200 of the flat cable in a spiral ring shape, and two ends of the radiation traces extend out from the radiation traces distributed in the spiral ring shape to serve as the first signal interface 110 and the second signal interface 120. By making the radiation routing in a spiral loop, the surface of the flexible circuit board 200 of the screen bus can be utilized more fully, enhancing the radiation performance of the near field communication radiator 100.

As an alternative embodiment, the first signal interface 110 and the second signal interface 120 are connected to the nfc chip through pin headers.

With continuing reference to fig. 1 and 2, a second broad aspect of the present invention provides a mobile device having the above nfc structure. In the mobile device, the near field communication radiator 100 is integrated on the flexible circuit board 200 of the screen cable, and the near field communication radiator 100 circuit board does not need to be arranged independently, so that the manufacturing cost of the near field communication radiator 100 is reduced, and the manufacturing cost of the mobile device is further reduced; on the other hand, the phenomenon that the near field radiator circuit board is arranged independently to occupy the limited space in the mobile device is avoided, so that the near field communication structure and the mobile device using the near field communication structure are more compact in structure and smaller in framework, and the trend of the development of the communication device towards the miniaturization is met.

Referring to fig. 1 and 2, alternatively, the mobile device case 500, the flexible circuit board 200 of the screen cable, and the battery 400 of the mobile device are stacked in sequence, and the nfc radiator 100 is disposed on a side of the flexible circuit board 200 of the screen cable adjacent to the mobile device case 500. When the casing 500 is removed, the screen 300 of the mobile device and the flexible circuit board of the screen cable are respectively located at two opposite sides of the mobile device, the flexible circuit board 200 of the screen cable of the mobile device is located at the surface layer of one side of the mobile device, and the near field communication radiator 100 is located at the surface of the flexible circuit board 200 of the screen cable, that is, when the near field communication radiator 100 radiates, the radiation signal can be radiated outwards only through the casing 500 of the mobile device.

Preferably, the flexible circuit board 200 of the screen row line has a width of at least 1.5 cm. The width of the flexible circuit board 200 of the screen bus is at least 1.5 cm, so that the radiation efficiency of the near field communication radiator 100 can be ensured, and the radiation performance thereof can be improved. More preferably, the flexible circuit board 200 of the screen flat cable has a width of 2.0 cm to 4.0 cm.

As an alternative embodiment, the housing of the mobile device is a non-metallic housing. For example, the object of the mobile device may be made of a glass material.

The mode of traditional electronic product carrying NFC antenna is that NFC antenna is attached inside the plastic shell. The carrying mode has simple work requirement, and because the plastic shell can not interfere and shield the electromagnetic radiation of the NFC antenna, the NFC performance is often better. However, with the increasing demands of people on the appearance, structure and the like of electronic products, the traditional electronic products with plastic shells cannot meet all the user demands due to the plastic appearance, mechanical strength, use experience and the like. The utility model discloses in, preferably adopt glass material to prepare mobile device's casing, the metal casing that glass material prepared compares in plastic housing, has stronger feel, and does not influence near field communication irradiator 100's radiation performance.

Preferably, the flexible circuit board 200 of the screen cable is stacked under the non-metal housing 500 portion of the mobile device. In order to avoid that the metallic material affects the radiation performance of the near field communication radiator 100, the presence of a metallic material structure in the radiation range of the near field communication radiator 100 should be avoided. By stacking the flexible circuit board 200 of the screen cable under the non-metal housing 500 of the mobile device, the near field communication radiator 100 can radiate signals through the non-metal housing 500, thereby improving the stability of the radiated signals.

Preferably, the flexible circuit board 200 of the screen bus is provided with ferrite on a side opposite to the near field communication radiator 100, so as to prevent other metal material devices in the communication device from interfering with the near field communication radiator 100.

As another embodiment, the mobile device further includes a fingerprint identification cable electrically connected to the screen cable, and the near field communication radiator 100 is disposed on the fingerprint identification cable. The near field communication radiator 100 is disposed on the fingerprint identification cable in a loop structure, and a NFC coil is formed on the outermost surface of the fingerprint identification cable, that is, a signal is radiated on the fingerprint identification area. The utility model discloses realize the NFC function on communications facilities fingerprint identification winding displacement, the functional is good, saves space, need not external other antennas, and the narrow and small equipment in specially adapted space reduces the cost, has good practicality.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The near field communication structure of the mobile device is characterized by comprising a near field communication chip and a near field communication radiator (100), wherein the near field communication radiator (100) is integrated on a flexible circuit board (200) of a screen cable.

2. A near field communication structure of a mobile device according to claim 1, characterized in that the near field communication radiator (100) is disposed on a surface layer of the flexible circuit board (200).

3. The nfc structure according to claim 2, wherein the nfc radiator (100) is a radiation trace printed on a surface layer of the flexible circuit board (200), the radiation trace is provided with a first signal interface (110) and a second signal interface (120), and the first signal interface (110) and the second signal interface (120) are respectively configured to be connected to a nfc chip.

4. The NFC structure of claim 3, wherein the radiating trace is a ring structure in which the first signal interface (110) and the second signal interface (120) are not connected.

5. Near field communication structure of a mobile device according to claim 3 or 4, characterized in that the first signal interface (110) and the second signal interface (120) are connected with the near field communication structure chip by pin headers.

6. A mobile device, characterized in that it is provided with a near field communication structure as claimed in any one of claims 1 to 5.

7. The mobile device of claim 6, wherein the flexible circuit board (200) of the screen bank has a width of at least 1.5 cm.

8. The mobile device of claim 6, further comprising a fingerprint identification cable electrically connected to the screen cable, wherein the near field communication radiator (100) is integrated on a flexible circuit board of the fingerprint identification cable.

9. The mobile device of claim 8, wherein the flexible circuit board (200) of the screen cable is stacked under a non-metallic housing portion of the mobile device.

10. The mobile device according to any one of claims 6 to 9, wherein a side of the flexible circuit board (200) of the screen cable opposite to the near field communication radiator (100) is provided with ferrite.

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