CN105762492B - Metal shell, antenna assembly and mobile terminal - Google Patents

Metal shell, antenna assembly and mobile terminal Download PDF

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Publication number
CN105762492B
CN105762492B CN201610248724.7A CN201610248724A CN105762492B CN 105762492 B CN105762492 B CN 105762492B CN 201610248724 A CN201610248724 A CN 201610248724A CN 105762492 B CN105762492 B CN 105762492B
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CN
China
Prior art keywords
irradiation unit
point
gap
slit band
match circuit
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CN201610248724.7A
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Chinese (zh)
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CN105762492A (en
Inventor
梁天平
Original Assignee
Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201610248724.7A priority Critical patent/CN105762492B/en
Priority claimed from EP16894062.5A external-priority patent/EP3331096A4/en
Publication of CN105762492A publication Critical patent/CN105762492A/en
Application granted granted Critical
Publication of CN105762492B publication Critical patent/CN105762492B/en

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Abstract

The invention discloses a kind of antenna assemblies, including metal shell, the first feeding point, grounding point and the first match circuit, metal shell opens up the first gap and at least one first slit band, one the first slit band is respectively communicated with the first gap and the side of metal shell and forms the first insulating segment, so that metal shell is divided into the first irradiation unit and the second irradiation unit by the first insulating segment, first feeding point and grounding point are set on the second irradiation unit, first feeding point is electrically connected to the first irradiation unit by the first match circuit, and the first irradiation unit is electrically connected to grounding point.The invention also discloses a kind of metal shell and mobile terminals.The radiator of the antenna assembly of the present invention is the metal shell of mobile terminal, so that the radiation efficiency of antenna assembly is promoted.

Description

Metal shell, antenna assembly and mobile terminal

Technical field

The present invention relates to described in antenna technical field more particularly to a kind of metal shell, antenna assembly and a kind of application The mobile terminal of antenna assembly.

Background technique

With the development of science and technology and user is higher and higher to the semaphore request of electronic product, at present mobile phone etc. on the market Mobile terminal with antenna much selects metal shell, while to guarantee use intensity, meets texture, promotes the body of user Test sense.It is well known that metal is signal shielding material, to avoid metal shell signal shielding from influencing antenna efficiency effect, usually Designing shell can make antenna structure be located at non-metallic areas, non-metallic areas is generally arranged at movement using metal and nonmetallic combination The both ends of terminal and it is located at except shielding viewing area, circuit board is arranged in the inside of non-metallic areas, and electronic component is arranged on circuit board And signal transmitting and receiving module, the antenna of mobile terminal are generally arranged within the scope of non-metallic areas, to carry out signal by non-metallic areas Transmitting-receiving.In traditional structure, the design of the radiator of antenna is restricted, and causes the radiation efficiency of antenna lower.

Summary of the invention

Technical problem to be solved by the present invention lies in provide a kind of metal shell and antenna assembly, the radiation of antenna assembly Body is the metal shell of mobile terminal, so that the radiation efficiency of the antenna assembly is promoted.

The present invention provides a kind of metal shell, and the side of the metal shell includes the first long side being oppositely arranged, second Long side, the first short side and the second short side, first short side and second short side are oppositely arranged and are connected to first length Between side and second long side, the metal shell opens up at least one first gap and at least one first slit band, and one A first slit band is respectively communicated with first gap and the side of the metal shell and forms the first insulating segment, so that institute It states the first insulating segment and the metal shell is divided into the first irradiation unit and the second irradiation unit.

Wherein, first gap includes arc section and the straightway that connect with the both ends of the arc section.

Wherein, the arc section includes sequentially connected first rounding section, flat segments and the second rounding section, the straightway It is connected to the end of the first rounding section and the second rounding section.

Wherein, the slit width in first gap is less than or equal to 3mm.

Wherein, first gap extends to second long side from first long side, and first gap is close to institute The first short side is stated, first irradiation unit is between first short side and first gap.

Wherein, the first slit band includes at least one slit, at least one described slit be spaced each other it is arranged side by side, The slit width of the slit is less than 0.5mm.

The present invention also provides a kind of antenna assemblies, including metal shell, the first feeding point, grounding point and the first matching electricity Road, the first feeding point and grounding point are arranged on second irradiation unit, and first feeding point passes through first match circuit It is electrically connected to first irradiation unit, first irradiation unit is electrically connected to the grounding point.

Wherein, the first slit band is connected to first long side and first gap, first match circuit position Between the grounding point and the first slit band.

Wherein, the first slit band is connected to first short side and first gap, the first slit band Between first match circuit and the grounding point.

Wherein, the antenna assembly further includes the second match circuit and is electrically connected to by second match circuit described Second feeding point of the first irradiation unit, the quantity of the first slit band are two, described in the connection of one of them first slit band First long side and first gap, first match circuit are located at the grounding point and one of them described first slit band Between;Another the first slit band is connected to first short side and first gap, another described the first slit band are located at Between second match circuit and the grounding point.

Wherein, the antenna assembly further includes the second match circuit and is electrically connected to by second match circuit described Second feeding point of the first irradiation unit, the quantity of the first slit band are two, described in the first slit band connection First long side and first gap, first match circuit be located at the grounding point and the first slit band it Between;Another described first slit band is connected to second long side and first gap, and second match circuit is located at another Between one the first slit band and the grounding point.

Wherein, the antenna assembly further includes the second gap, the second slit band, third match circuit and third feeding point, One the second slit band is respectively communicated with second gap and the side of the metal shell and forms the second insulating segment, so that First insulating segment and second insulating segment by the metal shell be divided into first irradiation unit, the second irradiation unit and Third irradiation unit, second gap extend to second long side from first long side, and second gap is close to described Second short side, between second gap and second short side, the third feeding point passes through the third irradiation unit The third match circuit is electrically connected to the third irradiation unit, and the third irradiation unit is electrically connected to second irradiation unit.

Wherein, the second slit band is connected to second short side and second gap, third match circuit position Between the grounding point and the second slit band.

Wherein, the antenna assembly further includes the 4th match circuit and is electrically connected to by the 4th match circuit described 4th feeding point of third irradiation unit, the 4th match circuit between the second slit band and the grounding point, and The second slit band is between the third match circuit and the 4th match circuit.

Wherein, the quantity of the second slit band is two, one of them second slit band be connected to first long side and Second gap, another the second slit band are connected to second long side and second gap, the third match circuit Between two the second slit bands.

Wherein, the second slit band is formed by earpiece holes.

On the other hand, the present invention provides a kind of mobile terminal, including antenna assembly described in above-mentioned any one.

Compared to the prior art, the invention has the following advantages:

Metal shell and antenna assembly in embodiments of the present invention forms first by the first gap and the first slit band Metal shell is separated into the first irradiation unit and the second irradiation unit by insulating segment, and the first feeding point is matched by described first Circuit is electrically connected to first irradiation unit and is fed so that radiation arm of first irradiation unit at antenna assembly, first spoke The portion of penetrating is electrically connected to the grounding point and the second irradiation unit is made to form radiation ground, so that metal shell is formed into antenna assembly, it should For antenna assembly by the structure using mobile terminal metal shell, swept area is big, and does not need additional designs aerial radiation again Body, not only increases the radiation efficiency of antenna assembly, and mobile terminal overall structure is simplified, and advantageously reduces mobile whole The cost at end.

Detailed description of the invention

In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field For logical technical staff, without creative efforts, other attached drawings can also be obtained such as these attached drawings.

Fig. 1 is the structural schematic diagram of the metal shell of first embodiment of the invention;

Fig. 1 a to Fig. 1 f is respectively the structural schematic diagram of different shapes in the first gap in Fig. 1;

Fig. 2 is the structural schematic diagram of the antenna assembly provided in a kind of embodiment of first embodiment of the invention;

Fig. 3 is the circuit diagram of the antenna assembly provided in a kind of embodiment of first embodiment of the invention;

Fig. 4 is the structural schematic diagram for the antenna assembly that the another embodiment of first embodiment of the invention provides;

Fig. 5 is the circuit diagram of the antenna assembly provided in the another embodiment of first embodiment of the invention;

The structural schematic diagram for the antenna assembly that Fig. 6 is provided in a kind of embodiment for second of embodiment of the invention;

The structural schematic diagram for the antenna assembly that Fig. 7 is provided in the another embodiment for second of embodiment of the invention;

The structural schematic diagram for the antenna assembly that Fig. 8 is provided in a kind of embodiment for the third embodiment of the invention;

Fig. 9 is the corresponding circuit diagram of third match circuit in Fig. 8;

Figure 10 is the corresponding circuit diagram of the 4th match circuit in Fig. 8;

Figure 11 is the structural schematic diagram that the second slit band in Fig. 8 is earpiece holes;

The structural schematic diagram for the antenna assembly that Figure 12 is provided in the another embodiment for the third embodiment of the invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

The present invention relates to a kind of antenna assemblies 100,200,300, apply inside mobile terminal, and the mobile terminal can be with For smart phone or tablet computer etc..Mobile terminal includes display screen and metal shell 1.Metal shell 1 is usually as mobile whole The rear cover at end, inner containment battery and mainboard.The top and/or bottom of the display screen of mobile terminal are typically provided with non-display area Electronic component, such as camera module, earpiece, bluetooth module, fingerprint identification module can be arranged in the inside of non-display area in domain Etc..The mainboard of mobile terminal is also disposed at non-display area.

Also referring to Fig. 1 to Fig. 5, a kind of antenna assembly 100 that first embodiment provides, the antenna are provided for the present invention Device 100 includes that metal shell 1, the first feeding point 2, grounding point 3 and the first match circuit 4, metal shell 1 open up the first gap 11 are respectively communicated with the side in the first gap 11 and metal shell 1 at least one first slit band 12, a first slit band 12 The first insulating segment is formed, so that metal shell 1 is divided into the first irradiation unit 13 and the second irradiation unit 14, the second spoke by the first insulating segment It penetrates in portion 14 and first feeding point 2 and grounding point 3 is set, the first feeding point 2 is electrically connected to the first radiation by the first match circuit 4 Portion 13 is fed so that the first irradiation unit 13 forms the radiation arm of antenna assembly 100, and the first irradiation unit 13 is electrically connected to ground connection Point 3 makes the second irradiation unit 14 form radiation ground, flows to the first irradiation unit 13 by feeding point to form a kind of electric current, then from First irradiation unit 13 flows into the second irradiation unit 14 as radiation ground, forms complete circuit, realizes 1 conduct of metal shell Antenna assembly 100.

In the present embodiment, Fig. 1 is please referred to, metal shell 1 is the rear cover of mobile terminal, close to battery, also becomes electricity Chi Gai.Wherein, metal shell 1 includes backboard 15 and the side frame 16 for being integrally connected to 15 edge of backboard.The side frame 16 of metal shell 1 The first long side L1, the second long side L2, the first short side S1 and the second short side S2, the first short side S1 and second including being oppositely arranged are short Side S2 is oppositely arranged and is connected between the first long side L1 and the second long side L2.Certainly, in other embodiments, metal shell 1 It can be with straight backboard 15.

In the present embodiment, in order to enhance the overall appearance of metal shell 1, the first gap 11 include arc section 111 and with The straightway 112 of the both ends connection of arc section 111.Specifically, arc section 111 include sequentially connected first rounding section 111a, Flat segments 111b and the second rounding section 111c, straightway 112 are connected to the first rounding section 111a and the second rounding section 111c End.Certainly, in other embodiments, as shown in Figure 1a, the first gap 11 can also be crescent shape;As shown in Figure 1 b, One gap 11 can also be the long rectangle of corner rounded corner;As illustrated in figure 1 c, the first gap 11 can also be rectangular-shaped;Such as Fig. 1 d Shown, the first gap 11 can also be to be wavy, and as shown in fig. le, the first gap 11 can also be lightning shape;As shown in Figure 1 f, First gap 11 can also be circular hole etc..

In the present embodiment, in order to further increase the metal-like of metal shell 1, the slit width in the first gap 11 be less than or Equal to 3mm, so that 11 naked eyes of the first gap are not visible.Wherein, the first gap 11 extends to the second long side L2 from the first long side L1, First gap 11 is close to the first short side S1, and the first irradiation unit 13 is between the first short side S1 and the first gap 11.It is understood that , the first gap 11 can be set in the junction of backboard 15 and side frame 16, further such that the first gap 11 is not easy to observe, and Manpower is avoided, the efficiency of antenna assembly 100 is improved, may be located on backboard 15.One is set by the first gap 11 herein, It should be understood that the first gap 11 can be two, two mutual mirror settings in the first gap 11 on metal shell 1, and Two the first gaps 11 are respectively close to the first short side S1 and the second short side S2.Specifically please refer to metal in third embodiment of the invention The structure of shell 1, i.e., the second gap 17 in third embodiment of the invention are equivalent to the first gap 11 in the embodiment of the present invention. Certainly, in other embodiments, the first gap 11 can also be close to the second short side S2.

In the present embodiment, the both ends of the first slit band 12 are respectively by the side of the side of metal shell 1 and the first gap 11 Edge cutting, so that cut-off side is connected to the first gap 11 and forms the first insulating segment.Wherein, the first slit band 12 includes more A slit, multiple slits are spaced each other arranged side by side, and the slit width of slit is less than 0.5mm, so that 12 naked eyes of the first slit band can not Depending on further increasing the metal specific gravity of metal shell 1.It should be understood that the first slit band 12 can also include a slit.It can With understanding, non-signal shielding material, such as plastics or silica gel can be further filled in slit.Certainly, in other implementations In example, the first slit band 12 or a biggish gap of slit width are formed, for example slit width is greater than the gap of 0.5mm.

Wherein, the first slit band 12 has the first following several, different slit bands 12 in the arrangement mode on metal shell 1 Positional relationship between feeding point and grounding point 3 also forms different antenna forms.

In a kind of embodiment, referring to figure 2., the first slit band 12 is connected to the first long side L1 and the first gap 11, and first Match circuit 4 is located between grounding point 3 and the first slit band 12.Specifically, the first insulating segment is parallel to the first short side S1, and will First long side L1 cutting, i.e., form the radiation arm from the first slit band 12 to grounding point 3, and first in the first irradiation unit 13 Match circuit 4, closer to grounding point 3, forms the antenna assembly 100 of F antenna form compared to the first slit band 12.It please refers to Fig. 3, circuit flow through the first irradiation unit 13 from the first feeding point 2 for electric current, and the electric current of the first irradiation unit 13 is divided into two strands, one Ground connection, one flows to the first slit band 12, i.e. the first slit band 12 plays the role of insulation at this time, prevent to flow through its circuit after It is continuous to walk downward, and radiate.Certainly, in other embodiments, the quantity of the first slit band can also be two or three It is a etc., with specific reference to the first irradiation unit 13 demand and be accordingly arranged, such as, the quantity of the first slit band 12 is two, One the first slit band 12 is connected to the first long side L1 and the first gap 11, another the first slit band 12 be connected to the first short side S1 and First gap 11, alternatively, another the first slit band 12 is connected to the second long side L2 and the first gap 11 etc., wherein the first matching Circuit 4, the first feeding point 2 and grounding point 3 can be located between two the first slit bands 12.

In another way of example, referring to figure 4., the first slit band 12 is connected to a first short side S1 and the first gap 11, the first slit band 12 is between the first match circuit 4 and grounding point 3.Specifically, the first slit band 12 is close to the second long side L2 (can certainly close to the first long side L1), the first insulating segment form similar L-shaped shape, and the first match circuit 4 is compared with the One slit band 12 is closer to the second long side L2, so that the first slit band 12 is between the first match circuit 4 and grounding point 3, Form the antenna assembly 100 of LOOP antenna form.Referring to figure 5., circuit flows through the first radiation from the first feeding point 2 for electric current Portion 13, the first slit of current direction band 12 of the first irradiation unit 13, then the first slit band 12 by serving as capacitor flow after motivating To grounding point 3.As can be seen that the effect of the first slit band 12 herein and the first slit band 12 in above embodiment according to It is different in the difference of antenna form that the first gap 11 is laid.

To sum up, above-mentioned is that 11 cloth of the first gap of metal shell 1 is set as only a kind of antenna assembly of antenna form 100。

Fig. 6 and Fig. 7 are please referred to, for a kind of antenna assembly 200 that second embodiment of the invention provides, the antenna assembly 100 It is essentially identical with the antenna assembly 100 in embodiment one, the difference is that, the present embodiment is stitched the first of metal shell 1 11 cloth of gap is set as the antenna assembly 200 of two kinds of antenna forms.

In a kind of embodiment, Fig. 6 is please referred to, antenna assembly 200 further includes the second match circuit 6 and by the second matching Circuit 6 is electrically connected to the second feeding point 5 of the first irradiation unit 13, and the quantity of the first slit band 12 is two, one of them first Slit band 12 is connected to the first long side L1 and the first gap 11, the first match circuit 4 are located at grounding point 3 and one of them first slit Between band 12;Another the first slit band 12 is connected to the first short side S1 and the first gap 11, another the first slit band 12 are located at Between second match circuit 6 and grounding point 3.Specifically, being provided with two antennas on the first gap 11, one of them is real for first The F antenna being laid on the first gap 11 provided in example is applied, another is laid in the first seam for what is provided in first embodiment LOOP antenna in gap 11, the i.e. embodiment have laid F antenna and LOOP antenna simultaneously on the first gap 11, with further full Demand of all parts to different bandwidth in sufficient mobile terminal.Wherein the laying of F antenna and LOOP antenna is referring in particular to first One of embodiment embodiment and another embodiment, therefore not to repeat here.

In another way of example, Fig. 7 is please referred to, antenna assembly 200 further includes the second match circuit 6 and by second Match circuit 6 is electrically connected to the second feeding point 5 of the first irradiation unit 13, and the quantity of the first slit band 12 is two, one of them First slit band 12 is connected to the first long side L1 and the first gap 11, the first match circuit 4 be located at grounding point 3 and one one of them Between first slit band 12;Another the first slit band 12 is connected to the second long side L2 and the first gap 11, the second match circuit 6 Between another the first slit band 12 and grounding point 3.Specifically, a first slit band 12, the first match circuit 4 and ground connection Positional relationship of the point 3 on the first gap 11 forms F antenna, and the laying of F antenna is referring in particular to one of first embodiment Embodiment;Second match circuit 6 is compared to grounding point 3 closer to the first long side L1, but the second match circuit 6 is still located at ground connection Between point 3 and another first slit band 12, i.e., another slit band, the second match circuit 6 and the grounding point 3 also shape on the first arc At F antenna;To sum up, i.e., 11 cloth of the first gap of metal shell 1 is set as to the antenna assembly 200 of two F antenna forms.

Fig. 8 and Figure 12 are please referred to, for the antenna assembly 300 that third embodiment of the invention provides, the antenna assembly 300 and reality The antenna assembly 200 applied in example two is essentially identical, the difference is that, antenna assembly 300 further includes the second gap 17, second Slit band 18, third match circuit 8 and third feeding point 7, a second slit band 18 are respectively communicated with the second gap 17 and metal The side of shell 1 forms the second insulating segment, so that metal shell 1 is divided into the first radiation by the first insulating segment and the second insulating segment Portion 13, the second irradiation unit 14 and third irradiation unit 19, the second gap 17 extend to the second long side L2, the second seam from the first long side L1 Gap 17 is close to the second short side S2, and between the second gap 17 and the second short side S2, third feeding point 7 passes through third irradiation unit 19 Third match circuit 8 is electrically connected to third irradiation unit 19, and third irradiation unit 19 is electrically connected to the second irradiation unit 14.Specifically, the Metal shell 1 has been divided into three radiators by one insulating segment and the second insulating segment, wherein the second irradiation unit 14 is grounded due to setting Point 3, with becoming the radiation of each antenna formed on metal shell 1.It should be understood that the second gap 17 and the first gap 11 Structure it is identical, the second slit band 18 is identical with the structure of the first slit band 12.

Wherein, the second slit band 18 has the second following several, different slit bands 18 in the arrangement mode on metal shell 1 Positional relationship between feeding point and grounding point 3 also forms different antenna forms.

In a kind of embodiment, Fig. 8 is please referred to, the antenna element mode on the first gap 11 is preferably in second embodiment Antenna assembly 200 a kind of embodiment, have various bandwidth, further increase the antenna performance of antenna assembly 100.When So, in other embodiments, the antenna element mode on the first gap 11 can also be the antenna element side in first embodiment The another embodiment of antenna assembly 200 in formula or second embodiment.

Wherein, the second slit band 18 is connected to the second short side S2 and the second gap 17, third match circuit 8 are located at grounding point 3 And second between slit band 18.Specifically, the second slit band 18, close to the second long side L2, third match circuit 8 is long close to first Side L1.Wherein, Fig. 9 is please referred to, since the second irradiation unit 14 is as radiation ground, therefore electric current passes through third from third feeding point 7 Third irradiation unit 19 is flowed through with circuit 8, electric current is divided into two strands in third irradiation unit 19, one flows to the first long side L1 into second Irradiation unit 14, one flows to the second slit band 18, forms inverse-F antenna, and the second slit band 18 plays the role of insulation at this time, prevents The circuit for flowing through it continues to walk downward, and radiate.

Further, antenna assembly 300 further includes the 4th match circuit 10 and is electrically connected to by the 4th match circuit 10 4th feeding point 9 of third irradiation unit 19, the 4th match circuit 10 is between the second slit band 18 and grounding point 3, and second Slit band 18 is between third match circuit 8 and the 4th match circuit 10.Specifically, the second slit band 18 is close to the 4th matching Circuit 10, and the 4th match circuit 10 is close to the second long side L2.Wherein, Figure 10 is please referred to, since the second irradiation unit 14 is various The radiation of antenna, therefore the second long side L2 is grounded, therefore the 4th match circuit 10 is located at the second slit band 18 and the as ground connection Between two long side L2, inverse-F antenna is also formed, unlike aforementioned inverse-F antenna, since the second slit band 18 is closer to the 4th With circuit 10, therefore the corresponding radiation arm of third match circuit 8 is longer relative to the radiation arm of the 4th match circuit 10, the band of the two It is wide not identical, it can be with the bandwidth demand of all parts on further satisfaction mobile terminal.Certainly, in other embodiments, Two slit bands 18 can also be closer to third match circuit 8.

Further, Figure 11 is please referred to, the second slit band 18 can be that the earpiece holes opened up on the second short side S2 replace, only It wants to play and the second gap 17 is divided into two parts.

In another embodiment, Figure 12 is please referred to, the antenna element mode on the first gap 11 is preferably second real The another embodiment of the antenna assembly 200 in example is applied, there is various bandwidth, further increase the antenna of antenna assembly 300 Performance.Certainly, in other embodiments, the antenna element mode on the first gap 11 can also be the antenna in first embodiment A kind of embodiment of antenna assembly 200 in arrangement mode or second embodiment.

Wherein, the quantity of the second slit band 18 is two, one of them second slit band 18 is connected to the first long side L1 and the Two gaps 17, another the second slit band 18 are connected to the second long side L2 and the second gap 17, and third match circuit 8 is located at two the Between two slit bands 18.Specifically, two the first slit bands 18 and the second gap 17 are formed in parallel with the second of the second short side S2 Insulating segment, third irradiation unit 19 entirely form the radiation arm of antenna, and the 4th feeding point 9 flows through third by third match circuit 8 Irradiation unit 19, then flow to through third irradiation unit 19 grounding point 3 of second irradiation unit 14.To sum up, in the present embodiment mode outside metal Three kinds of antennas are formed on shell 1.

It should be understood that can also be by antenna body direct-coupling on metal shell 1.

It should be understood that the feeding classification of the antenna form on metal shell 1 can present directly to present or coupling.

Antenna assembly 100,200,300 in the embodiment of the present invention forms the by the first gap 11 and the first slit band 12 Metal shell 1 is separated into the first irradiation unit 13 and the second irradiation unit 14 by one insulating segment, and the first feeding point 2 passes through first Match circuit 4 be electrically connected to the first irradiation unit 13 fed so that the first irradiation unit 13 at antenna assembly 100 radiation arm, One irradiation unit 13 is electrically connected to grounding point 3 and the second irradiation unit 14 is made to form radiation ground, so that it is traditional thread binding that metal shell 1 is formed day 100 are set, for the antenna assembly 100 by the structure using mobile terminal metal shell 1, swept area is big, and does not need again additional Antenna radiator is designed, the radiation efficiency of antenna assembly 100 is not only increased, and mobile terminal overall structure is simplified, Advantageously reduce the cost of mobile terminal.

The embodiment of the present invention has been described in detail above, specific case used herein to the principle of the present invention and Embodiment is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas; At the same time, for those skilled in the art can in specific embodiments and applications according to the thought of the present invention There is change place, to sum up, the contents of this specification are not to be construed as limiting the invention.

Claims (17)

1. a kind of metal shell, which is characterized in that the side of the metal shell includes the first long side being oppositely arranged, the second length Side, the first short side and the second short side, first short side and second short side are oppositely arranged and are connected to first long side Between second long side, the metal shell includes backboard and the side frame for being integrally connected to the back plate edges;The gold Belong to shell and open up at least one first gap and at least one first slit band, the first slit band is respectively communicated with described First gap and the side of the metal shell form the first insulating segment, so that the both ends of the first slit band respectively will be described The edge in the side of the side frame of metal shell and first gap cutting, so that first insulating segment is by the metal shell It is divided into the first irradiation unit and the second irradiation unit.
2. metal shell as described in claim 1, which is characterized in that first gap include arc section and with the circular arc The straightway of the both ends connection of section.
3. metal shell as claimed in claim 2, which is characterized in that the arc section includes sequentially connected first rounding Section, flat segments and the second rounding section, the straightway are connected to the end of the first rounding section and the second rounding section Portion.
4. metal shell as claimed in claim 3, which is characterized in that the slit width in first gap is less than or equal to 3mm.
5. the metal shell as described in Claims 1 to 4 any one, which is characterized in that first gap is from described first Long side extends to second long side, and close to first short side, first irradiation unit is located at described the in first gap Between one short side and first gap.
6. the metal shell as described in Claims 1 to 4 any one, which is characterized in that the first slit band includes at least One slit, at least one described slit are spaced each other arranged side by side, and the slit width of the slit is less than 0.5mm.
7. a kind of antenna assembly, which is characterized in that including the metal shell as described in claim 1~6 any one, the first feedback The first feeding point and grounding point, first feed are arranged on second irradiation unit for electric point, grounding point and the first match circuit Point is electrically connected to first irradiation unit by first match circuit, and first irradiation unit is electrically connected to the ground connection Point.
8. antenna assembly as claimed in claim 7, which is characterized in that the first slit band is connected to first long side and institute It states the first gap, in first irradiation unit, the connect with the grounding point is located at the point of the first match circuit electrical connection Between the point of one irradiation unit and the first slit band.
9. antenna assembly as claimed in claim 7, which is characterized in that the first slit band is connected to first short side With first gap, the first slit band be located at the point being electrically connected in first irradiation unit with the first match circuit and with Between the point of first irradiation unit of the grounding point connection.
10. antenna assembly as claimed in claim 7, which is characterized in that the antenna assembly further include the second match circuit and The second feeding point of first irradiation unit is electrically connected to by second match circuit, the quantity of the first slit band is Two, one of them first slit band is connected to first long side and first gap, with first in first irradiation unit The point of match circuit electrical connection is located at the point and one of them described first slit for the first irradiation unit connecting with the grounding point Between band;Another the first slit band is connected to first short side and first gap, another described the first slit band position The point of the point and the first irradiation unit being connect with the grounding point that are electrically connected in first irradiation unit with the second match circuit Between.
11. antenna assembly as claimed in claim 7, which is characterized in that the antenna assembly further include the second match circuit and The second feeding point of first irradiation unit is electrically connected to by second match circuit, the quantity of the first slit band is Two, one of them described first slit band is connected to first long side and first gap, in first irradiation unit with The point of first match circuit electrical connection be located at the point of the first irradiation unit being connect with the grounding point and it is described one of them first Between slit band;Another the first slit band is connected to second long side and first gap, in first irradiation unit with The first irradiation unit that the point of second match circuit electrical connection is located at another described the first slit band and connect with the grounding point Point between.
12. the antenna assembly as described in claim 8~11 any one, which is characterized in that the antenna assembly further includes Two gaps, the second slit band, third match circuit and third feeding point, the second slit band are respectively communicated with described second The side of the side frame of gap and the metal shell forms the second insulating segment, so that first insulating segment and described second is absolutely The metal shell is divided into first irradiation unit, the second irradiation unit and third irradiation unit by rim segment, and second gap is from institute It states the first long side and extends to second long side, second gap is located at close to second short side, the third irradiation unit Between second gap and second short side, the third feeding point is electrically connected to described by the third match circuit Third irradiation unit, the third irradiation unit are electrically connected to second irradiation unit.
13. antenna assembly as claimed in claim 12, which is characterized in that the second slit band be connected to second short side and Second gap is located in the third irradiation unit with the point of third match circuit electrical connection and connect with the grounding point The first irradiation unit point and the second slit band between.
14. antenna assembly as claimed in claim 13, which is characterized in that the antenna assembly further include the 4th match circuit and The 4th feeding point of the third irradiation unit is electrically connected to by the 4th match circuit, with the 4th in the third irradiation unit Match circuit electrical connection point between the second slit band and the point for the first irradiation unit being connect with the grounding point, and The second slit band is located at the point being electrically connected with the third match circuit and the third spoke in the third irradiation unit It penetrates between the point being electrically connected with the 4th match circuit in portion.
15. antenna assembly as claimed in claim 12, which is characterized in that the quantity of the second slit band is two, wherein One the second slit band is connected to first long side and second gap, another the second slit band is connected to second long side With second gap, the point being electrically connected with the third match circuit in the third irradiation unit be located at two it is described second micro- Between seamed belt.
16. antenna assembly according to claim 13 or 14, which is characterized in that the second slit band is formed by earpiece holes.
17. a kind of mobile terminal, which is characterized in that including such as described in any item antenna assemblies of claim 7-16.
CN201610248724.7A 2016-04-20 2016-04-20 Metal shell, antenna assembly and mobile terminal CN105762492B (en)

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CN201610248724.7A CN105762492B (en) 2016-04-20 2016-04-20 Metal shell, antenna assembly and mobile terminal
EP16894062.5A EP3331096A4 (en) 2016-03-18 2016-06-13 Metal housing, antenna device, and mobile terminal
PCT/CN2016/085548 WO2017156900A1 (en) 2016-03-18 2016-06-13 Metal housing, antenna device, and mobile terminal
US15/753,330 US10263333B2 (en) 2016-03-18 2016-06-13 Metal housing, antenna device, and mobile terminal
US15/965,549 US10084234B2 (en) 2016-03-18 2018-04-27 Electronic device
US15/973,201 US10263334B2 (en) 2016-03-18 2018-05-07 Antenna device and mobile terminal

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CN106487412A (en) * 2016-12-07 2017-03-08 广东欧珀移动通信有限公司 A kind of housing and mobile terminal
CN107039766B (en) * 2017-04-28 2019-07-26 维沃移动通信有限公司 A kind of antenna assembly and electronic equipment
WO2019001244A1 (en) * 2017-06-29 2019-01-03 Oppo广东移动通信有限公司 Casing, antenna apparatus, mobile terminal and casing processing method
CN107394349A (en) * 2017-06-29 2017-11-24 广东欧珀移动通信有限公司 Housing, antenna assembly, mobile terminal and processing method of casing

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