CN106099317A - Bezels, Antenna Sets and Mobile Terminals - Google Patents

Abstract

The invention discloses an antenna device which comprises at least one matching circuit, at least one radio frequency transceiver circuit and a frame, wherein the frame is made of conductive materials, the frame is provided with a first micro-slit belt and at least one component hole, the frame is divided into at least two frame sections by the first micro-slit belt and the at least one component hole, the first micro-slit belt is provided with at least one first micro-slit, one matching circuit is electrically connected to one frame section, and one radio frequency transceiver circuit is electrically connected to one matching circuit. The antenna device provided by the embodiment of the invention separates the frame into at least two sections of frame sections through the micro-slit belt and the component holes, and the matching circuit and the radio frequency transceiving circuit are correspondingly arranged on the frame sections, so that the antenna device forms at least two radiating bodies, the bandwidth of the antenna device is further increased, the requirements of various components in the mobile terminal on antenna signals of various frequency bands are met, the performance of the antenna device is improved, and the appearance integrity of the frame is also improved. The invention also discloses a frame and a mobile terminal.

Description

Bezels, Antenna Sets and Mobile Terminals

technical field

The present invention relates to the technical field of antennas, in particular to a frame, an antenna device and a mobile terminal using the frame.

Background technique

With the development of science and technology and users' requirements for the signal and appearance quality of electronic products are getting higher and higher. At present, many electronic products with antennas such as mobile phones on the market use metal as the outer shell (including side, back cover, etc.) to While ensuring the strength of use, it satisfies the appearance of texture. As we all know, metal is a signal shielding material. In order to avoid the signal shielding of the metal casing from affecting the efficiency of the antenna, the casing is usually designed to combine metal and non-metal, so that the antenna structure is located in the non-metal area; or the isolation area made of non-metal material is located in the The end of the metal shell completely separates the part of the metal shell close to the antenna from other parts of the metal shell, thereby isolating the antenna area from other areas of the metal shell. However, the above design will also lead to the inability of the electronic product to adopt the design of the seamless frame of the full signal shielding material, which will affect the overall sense and aesthetic appearance of the electronic product.

Contents of the invention

The technical problem to be solved by the present invention is to provide a frame, which can reduce the setting of micro-slits on the frame and improve the overall appearance of the frame.

In addition, the present invention also provides an antenna device and a mobile terminal using the frame.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

On the one hand, the embodiment of the present invention provides a frame, the frame is provided with a first micro-slit strip and at least one component hole, the at least one component hole is used to accommodate or insert components, and the first micro-slit strip and the at least one component hole divide the frame into at least two frame segments, and the first micro-slit belt has at least one first micro-slit.

Wherein, the frame is also provided with a second micro-slit and a third micro-slit, and the first micro-slit, the second micro-slit, the third micro-slit and the component holes connect the The frame is divided into four frame segments.

Wherein, the frame has two long sides opposite to each other and two short sides opposite to each other, and the two short sides are respectively connected between the two long sides, the first micro-slit belt and the The component hole is arranged on one of the short sides, and the second micro-slit and the third micro-slit are arranged on the other short side.

Wherein, the at least one component hole includes at least one of an earphone hole, a button hole and a USB interface; connector.

Wherein, the number of the at least one component hole is two or three, and the first micro-slit strip and the two or three component holes divide the frame into three or four frame segments.

Wherein, the slit width of the first micro-slit is less than or equal to 0.2mm.

Wherein, the first micro-slit is filled with non-signal shielding material.

Wherein, the non-signal shielding material is plastic.

On the other hand, an embodiment of the present invention provides an antenna device, including at least one matching circuit, at least one radio frequency transceiver circuit and a frame, the frame is made of conductive material, the at least one matching circuit and the at least one radio frequency transceiver circuit The number of circuits corresponds to the number of the frame segments, one matching circuit is electrically connected to one frame segment, and one radio frequency transceiver circuit is electrically connected to one matching circuit.

Wherein, the antenna device further includes a rear cover, the rear cover is made of conductive material, the rear cover is connected to the frame, and the rear cover is grounded to increase the bandwidth of the first antenna.

In yet another aspect, an embodiment of the present invention provides a mobile terminal, including a main board and an antenna device, and the at least one matching circuit and the at least one radio frequency transceiver circuit in the antenna device are all arranged on the main board.

Compared with the prior art, the present invention has the following beneficial effects:

The frame provided by the embodiment of the present invention replaces the micro-slits with component holes for accommodating or inserting components, which reduces the opening of the micro-slits on the frame and improves the appearance integrity of the frame.

On the other hand, the antenna device and the mobile terminal using the frame provided by the embodiments of the present invention separate the frame by micro-slits (first micro-slits, second micro-slits, and/or third micro-slits) and component holes Form at least two frame segments, and set matching circuits and radio frequency transceiver circuits correspondingly on the frame segments, wherein the matching circuit and radio frequency transceiver circuits correspond to the number of frame segments, so that the antenna device forms at least two radiators, further increasing the antenna device The wide bandwidth meets the needs of various components in the mobile terminal for antenna signals in various frequency bands. While improving the performance of the antenna device, it also improves the overall appearance of the frame.

Description of drawings

In order to illustrate the technical solution of the present invention more clearly, the accompanying drawings used in the implementation will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. As far as technical personnel are concerned, other drawings can also be obtained like these drawings without paying creative work.

FIG. 1 is a schematic structural diagram of a mobile terminal provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the antenna device in FIG. 1;

Fig. 3 is a schematic structural diagram of the first micro-slit belt in Fig. 2 .

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "long" and "short" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. It is not to imply or indicate that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the invention.

Please refer to Fig. 1 together, the embodiment of the present invention provides a kind of mobile terminal 100, and mobile terminal 100 can be any equipment with communication and storage function, for example: tablet computer, mobile phone, e-reader, remote controller, personal computer (Personal computer) Computer, PC), laptops, car equipment, Internet TV, wearable devices and other smart devices with network functions. 1 and 2, the mobile terminal 100 includes an antenna device 10 and a main board 20, the antenna device 10 includes a frame 1, a matching circuit 2 and a radio frequency transceiver circuit 3, the frame 1 forms an independent frame segment D1, and a corresponding frame segment D1 A matching circuit 2 and a radio frequency transceiver circuit 3 can be set correspondingly, the main board 20 is arranged inside the mobile terminal 100, the main board 20 includes a ground plane, and the matching circuit 2 and the radio frequency transceiver circuit 3 are all electrically connected to the ground plane of the main board 20, so that The frame section D1 forms the radiation section of the antenna device 10 .

Specifically, please refer to FIG. 2 , the frame 1 is made of a conductive material, specifically, the material of the frame 1 is a metal material. It can be understood that the frame 1 can also be made of other conductive materials. Such as conductive plastic or conductive rubber, etc. The bezel 1 is essentially the middle frame of the mobile terminal 100, and its essential function is to transmit electric energy and send and receive electrical signals. The frame 1 has a pair of long sides L opposite to each other and a pair of short sides S opposite to each other. The pair of short sides S are connected between the pair of long sides L respectively. The frame 1 is provided with a first micro-slit 11 and at least one component hole 12 to separate the frame 1 into at least two frame segments D1, and the two frame segments D1 are electrically connected to the corresponding matching circuit 2 and the radio frequency transceiver circuit 3 to form two A radiator is used to radiate signals of different frequency bands, such as GPS signals, WIFI signals or Bluetooth signals, etc., so as to meet the requirements of components in the mobile terminal 100 for different antenna signals. Of course, in other embodiments, the frame 1 can also be made of non-conductive material, for example, the frame 1 is made of plastic.

Specifically, a first micro-slit strip 11 is cut out on the frame 1 by laser. The first micro-slit belt 11 has at least one first micro-slit 11a. The slit width of the first micro slit 11a is less than or equal to 0.2mm, and the slit width of the first micro slit 11a makes the first micro slit 11a invisible to the naked eye, which can cause the frame 1 to have no slit effect.

It can be understood that when the number of the first micro-slit 11a is one, that is, when the first micro-slit belt 11 is provided with only one first micro-slit 11a, the slit width T1 of the first micro-slit 11a satisfies: 0.1mm≤T1≤ 0.2mm, to ensure that the first micro-slit belt 11 can successfully separate the frame 1 into at least two independent frame parts, with a distance of at least 0.1 mm between the two frame parts, so as to ensure the isolation effect.

It can be understood that referring to FIG. 3, as another preferred embodiment, when the number of the first micro-slits 11a is at least two, that is, when the first micro-slit belt 11 includes at least two first micro-slits 11a, the corresponding The distance between the adjacent first micro-slits 11a is T2, and the first micro-slits 11 satisfy: T2≥T1, so that the ratio of the slit area in the first micro-slits 11 is less than 50%, further guaranteeing the application of the antenna device The mobile terminal 100 of 10 has a seamless frame effect of full signal shielding material under the naked eye.

Further, the ratio of the distance T2 between adjacent first micro-slits 11a to the width T1 of the first micro-slits 11a is greater than or equal to 1.2. More preferably, T2/T1≥2.

Optionally, please refer to Fig. 3, the first micro-slit belt 11 includes four first micro-slits 11a, at this time, the slit width T1 of the first micro-slits 11a satisfies: T1≤0.12mm, so that the first micro-slits 11a are invisible to the naked eye The effect is better. Further, T1 is preferably 0.04mm-0.08mm, and optimally, T1=0.06mm.

Further, the first micro-slit 11a is filled with a non-signal shielding material. It can be understood that the non-signal shielding material can be plastic, and the plastic is filled in the first micro-slit 11a through an injection molding process, so that the first micro-slit 11a is invisible to the naked eye. Visually, the overall appearance of the frame 1 is improved.

It can be understood that the number of component holes 12 is one. Specifically, the component hole 12 on the frame 1 cooperates with the first micro-slit 11 to separate the frame 1 into two frame segments D1, utilizes the unavoidable holes on the frame 1, optimizes the structure of the frame 1, and improves This ensures the integrity of the appearance of frame 1.

It can be understood that the component hole 12 can be an earphone hole, that is, the component hole 12 can not only be used for plugging in the earphone, but also can play the role of partitioning the frame 1 , and one hole has multiple functions to optimize the structure of the frame 1 .

It can be understood that the component hole 12 can be a button hole, that is, the component hole 12 can not only accommodate the button, but also play the role of partitioning the frame 1 , and one hole has multiple functions to optimize the structure of the frame 1 .

It can be understood that the component hole 12 can also be other unavoidable holes opened on the frame 1 , for example, the component hole 12 can be a USB interface for inserting a USB connector, etc., which are not listed here. Of course, in other embodiments, the number of component holes 12 can be two, three or more, etc., for example, the earphone hole, button hole, and USB interface on a frame 1 are all used as component holes 12, the three Each component hole 12 and the first micro-slit strip 11 separate the frame 1 into four independent frame segments.

Specifically, the number of matching circuits 2 and radio frequency transceiver circuits 3 is the same as that of the block D1, and since the block segment D1 is divided into two, there are two matching circuits 2 and two radio frequency transceiver circuits 3 . Here, the matching circuit 2 and the radio frequency transceiver circuit 3 correspondingly provided in a block D1 are used for illustration. The matching circuit 2 is electrically connected to the frame section D1, and the radio frequency transceiver circuit 3 is electrically connected to the matching circuit 2, so that the frame section D1 becomes the radiator of the antenna device 10, wherein the frame section D1 radiation can be set by setting the length of the frame section D1 frequency band. Two frame segments D1 mean that the antenna device 10 can radiate two different signals.

Further, referring to Fig. 2, the frame 1 can also be provided with a second micro-slit 13 and a third micro-slit 14, the first micro-slit 11, the second micro-slit 13, the third micro-slit 14 and the component holes 12 divide the frame 1 into four frame segments D1, and correspondingly set the matching circuit 2 and the radio frequency transceiver circuit 3 one by one corresponding to the four frame segments D1, so that the antenna device 10 forms four radiation parts, further The performance of the antenna device 10 is improved. Wherein, the structures of the second micro-slit zone 13 and the third micro-slit zone 14 are the same as those of the first micro-slit zone 11 , and will not be repeated here. Certainly, in other embodiments, the second micro-slit strip 13 and the third micro-slit strip 14 may be in the structural form of an earphone hole, a button hole or a USB interface in the component hole 12 .

It can be understood that the first micro-slit 11 and the component hole 12 are arranged on one short side S, and the second micro-slit 13 and the third micro-slit 14 are arranged on the other short side S, so that the antenna can be held by hand When using the antenna device 10, the performance of the antenna device 10 will not be interfered, and the performance of the antenna device 10 is further improved.

Further, the antenna device 10 also includes a rear cover (not shown), the rear cover covers the back of the terminal body and is connected to the frame 1, and the rear cover is electrically connected to the ground plane of the main board 20, so as to increase the The bandwidth of the radiating section. The back cover is made of conductive material. Preferably, the material of the back cover is the same as that of the frame 1, so that the electrical connection effect between the two is the best.

The antenna device 10 and the mobile terminal 100 provided in the embodiment of the present invention separate the frame 1 through micro-slits (first micro-slits 11, second micro-slits 13 and/or third micro-slits 14) and component holes 12 to form at least There are two frames D1, and a matching circuit 2 and a radio frequency transceiver circuit 3 are correspondingly arranged on the frame segment D1, wherein the number of the matching circuit 2 and the radio frequency transceiver circuit 3 corresponds to the frame segment D1, so that the antenna device 10 forms at least two radiators , further increasing the bandwidth of the antenna device 10, meeting the requirements of various components in the mobile terminal 100 for antenna signals of various frequency bands, improving the performance of the antenna device 10, and improving the overall appearance of the frame 1 .

The embodiments of the present invention have been described in detail above, and specific examples have been used in this paper to illustrate the principles and implementation methods of the present invention. The descriptions of the above embodiments are only used to help understand the method and core idea of the present invention; at the same time, for Those skilled in the art will have changes in the specific implementation and scope of application according to the idea of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims (11)

1. A frame, characterized in that the frame is provided with a first micro-seam strip and at least one component hole, the at least one component hole is used to accommodate or insert components, the first micro-seam strip and the The at least one component hole separates the frame into at least two frame segments, and the first micro-slit belt has at least one first micro-slit. 2. The frame according to claim 1, wherein the at least one component hole includes at least one of an earphone hole, a button hole and a USB interface; the earphone hole is used for plugging in an earphone, and the button hole contains Buttons are provided; the USB interface is used for inserting USB connectors. 3. frame as claimed in claim 2, is characterized in that, described frame is also provided with second micro-slit zone and the 3rd micro-slit zone, described first micro-slit zone, described second micro-slit zone, described The third micro-slit strip and the component holes separate the frame into four frame segments. 4. The frame according to claim 3, wherein the frame has two relatively long sides and two relatively short sides, and the two short sides are respectively connected to the two long sides Between them, the first micro-slit zone and the component hole are arranged on one of the short sides, and the second micro-slit zone and the third micro-slit zone are arranged on the other short side. 5. frame as claimed in claim 1, is characterized in that, the quantity of described at least one component hole is two or three, and described frame is separated by described first micro-slit belt and two or three component holes into three or four frames. 6. The frame according to any one of claims 1-5, characterized in that, the slit width of the first micro-slits is less than or equal to 0.2 mm. 7. The frame according to any one of claims 1-5, wherein the first micro-slits are filled with non-signal shielding materials. 8. The frame according to claim 7, wherein the non-signal shielding material is plastic. 9. An antenna device, characterized in that it comprises at least one matching circuit, at least one radio frequency transceiver circuit and the frame as claimed in claims 1-8, the frame is made of conductive material, the at least one matching circuit and The number of the at least one radio frequency transceiver circuit corresponds to the number of the frame segments, one of the matching circuits is electrically connected to one of the frame segments, and one of the radio frequency transceiver circuits is electrically connected to one of the matching circuits. 10. The antenna device according to claim 1, further comprising a back cover, the back cover is made of conductive material, the back cover is connected to the frame, the back cover is grounded, It is used to increase the bandwidth of the first antenna. 11. A mobile terminal, characterized in that it comprises a motherboard and the antenna device as claimed in claim 9 or 10, the at least one matching circuit and the at least one radio frequency transceiver circuit in the antenna device are all arranged on the on the motherboard.