CN106686173A - Conductive cover body of mobile terminal, casing of mobile terminal and mobile terminal - Google Patents

Abstract

The invention discloses a conductive cover for a mobile terminal, a housing for a mobile terminal, and a mobile terminal. The conductive cover has opposed first and second side walls and a rear wall. The conductive cover further comprises at least one set of first slit bands partially arranged on the rear wall, each set of first slit bands comprising at least one first slit band, and each first slit band being provided with a first insulating spacer layer; and second slit bands arranged on at least one of the first side wall and the second side wall and each provided internally with a second insulating spacer layer. With the conductive cover of the invention, the design of an MIMO antenna of the mobile terminal can be realized, the radiation performance of the antenna can be improved, the signal strength can be optimized, and the coverage of a conductive area of the conductive cover can be maximized, and the appearance of the conductive cover can be optimized.

Description

Conductive cover body of mobile terminal, casing of mobile terminal and mobile terminal

technical field

The present invention relates to the technical field of mobile terminals, in particular to a conductive cover of a mobile terminal, a casing of the mobile terminal and the mobile terminal.

Background technique

For the existing smart terminal with all-metal back cover, for the needs of antenna design, the conventional method is to open a slot on the back cover to radiate signals outward. However, in the existing methods, the signal strength of the antenna is weak, and the design of the MIMO antenna has not been realized.

Contents of the invention

The present invention aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the present invention proposes a conductive cover for a mobile terminal, which is conducive to realizing the design of a MIMO (Multiple-Input Multiple-Output, multiple-input-multiple-output) antenna and improving the signal of the antenna.

The present invention also proposes a casing of a mobile terminal, the casing of the mobile terminal includes the above-mentioned conductive cover of the mobile terminal.

The present invention also proposes a mobile terminal, which includes the above-mentioned casing of the mobile terminal.

According to the conductive cover of the mobile terminal according to the embodiment of the present invention, the conductive cover has opposite first side walls and second side walls and a rear wall connected between the first side walls and the second side walls wall, and the conductive cover further includes: at least one set of first slit band groups, the first slit band group is partially provided on the rear wall, and each set of the first slit band groups includes at least one first slit strips, each of the first slits is provided with a first insulating spacer layer; a second slit is provided on at least one of the first side wall and the second side wall, A second insulating spacer layer is arranged in the second gap zone.

According to the conductive cover of the mobile terminal according to the embodiment of the present invention, a first slit group and a second slit are arranged on the conductive cover, and the first slit group includes at least one first slit, and the first slit group includes at least one first slit. The first insulating spacer layer is filled in the slot zone, and the second insulating spacer layer is filled in the second slot zone, so that the design of the MIMO antenna of the mobile terminal can be realized, the radiation performance of the antenna can be improved, the signal strength can be optimized, and at the same time, the The coverage of the conductive area of the conductive cover is guaranteed, and the appearance of the conductive cover is optimized.

According to some embodiments of the present invention, the first slit group includes a plurality of first slits, and in the direction from the first side wall to the second side wall, a plurality of the first slits The slot strips are arranged spaced apart from one another.

According to some embodiments of the present invention, the first slit group includes: two first slits, wherein one end of one of the first slits is located on the first side wall and the other end is located on the On the rear wall, one end of the other first slit is located on the second side wall and the other end is located on the rear wall.

According to some embodiments of the present invention, the first slit zone group includes a first slit zone, and the first slit zone includes a first segment, a second segment and a third segment connected in sequence, wherein the The first segment is located on the first side wall, the second segment is located on the rear wall, and the third segment is located on the second side wall.

According to some embodiments of the present invention, the width of the first slit zone is d1, and the d1 satisfies: 0.5mm≤d1≤2mm.

According to some embodiments of the present invention, each of the first slit zones includes a plurality of first micro slits, and the plurality of first micro slits are arranged at intervals in a direction perpendicular to the length of the first micro slits, A metal strip is provided between two adjacent first micro-slits, and the first insulating spacer layer is provided in each of the first micro-slits.

According to some embodiments of the present invention, the width of the first micro-slit is d2, and the d2 satisfies: d2≤0.5mm.

According to some embodiments of the present invention, the first side wall and the second side wall are respectively provided with a plurality of the second slit zones, and in the length direction of the first side wall and the second side wall, more than one The second slit strips are arranged at intervals.

According to some embodiments of the present invention, the multiple second slit zones on the first side wall and the multiple second slit zones on the second side wall are symmetrical with respect to the center line of the rear wall set up.

According to some embodiments of the present invention, the first side wall is provided with a plurality of first spacing holes passing through it in the thickness direction of the first side wall, and the second side wall is provided with a plurality of holes in the first side wall. The thickness direction of the second side wall runs through the second interval holes, the plurality of first interval holes are set in one-to-one correspondence with the plurality of second slits on the first side wall, and the plurality of The second spacing holes are arranged in one-to-one correspondence with the plurality of second slits on the second side wall, and one end of each second slit on the first side wall extends to the corresponding The first interval hole, one end of each second slit strip on the second side wall extends to the corresponding second interval hole.

According to some embodiments of the present invention, at least one set of second slit zone groups is provided on the first side wall, and each set of the second slit zone groups includes two second slit zones spaced apart from each other, so The first side wall is provided with at least one third spacing hole passing through it in the thickness direction of the first side wall, and the third spacing hole corresponds to the second gap group one by one, and each of the The third spacing hole is located between the two second slit bands of each set of the second slit band group, and one end of each second slit band of each set of the second slit band group extends to the corresponding As for the third spacing holes, each of the third spacing holes contains an insulator.

According to some embodiments of the present invention, the width of the second slit zone is d3, and the d3 satisfies: 0.5mm≤d3≤2mm.

According to some embodiments of the present invention, the second slit zone includes a plurality of second micro slits, and the plurality of second micro slits are arranged at intervals in a direction perpendicular to the length of the second micro slits, adjacent to each other. A metal strip is provided between two of the second micro-slits, and the second insulating spacer layer is provided in each of the second micro-slits.

Specifically, the width of the second micro-slit is d4, and the d4 satisfies: d4≤0.5mm.

A case of a mobile terminal according to an embodiment of the present invention includes the above-mentioned conductive cover.

According to the housing of the mobile terminal according to the embodiment of the present invention, by setting the above-mentioned conductive cover, it is beneficial to realize the design of the MIMO antenna of the mobile terminal, improve the radiation performance of the antenna, optimize the signal strength, and at the same time ensure the maximum protection of the conductive cover. The coverage of the conductive area optimizes the appearance of the conductive cover.

A mobile terminal according to an embodiment of the present invention includes the above-mentioned casing of the mobile terminal.

According to the mobile terminal of the embodiment of the present invention, by setting the above-mentioned casing, it is beneficial to realize the design of the MIMO antenna of the mobile terminal, improve the radiation performance of the antenna, optimize the signal strength of the mobile terminal, and at the same time ensure the maximum protection of the conductive cover. The coverage of the conductive area optimizes the appearance of the conductive cover.

Description of drawings

1 is a schematic diagram of a conductive cover of a mobile terminal according to some embodiments of the present invention;

Fig. 2 is a schematic diagram of a conductive cover of a mobile terminal according to some other embodiments of the present invention;

Fig. 3 is a schematic diagram of a conductive cover of a mobile terminal according to other embodiments of the present invention;

Fig. 4 is a schematic view of the unfolded conductive cover according to some further embodiments of the present invention;

Fig. 5 is a schematic diagram of the unfolded conductive cover according to some further embodiments of the present invention;

Fig. 6 is a schematic diagram of a conductive cover of a mobile terminal according to still other embodiments of the present invention.

Reference signs:

Conductive cover 100;

The first slit zone group 1; the first slit zone 11; the first section 111; the second section 112; the third section 113; the first micro-slit 114; the metal strip 115;

The second slit zone group 2; the second slit zone 21; the second micro-slit 211; the metal strip 212;

The first side wall 3; the first interval hole 31; the third interval hole 32;

The second side wall 4 ; the second spacing hole 41 ; the fourth spacing hole 42 ; the rear wall 5 .

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; can be mechanically connected, can also be electrically connected or can communicate with each other; can be directly connected, can also be indirectly connected through an intermediary, can be the internal communication of two components or the interaction relationship between two components, Unless expressly defined otherwise. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the present invention, unless otherwise clearly specified and limited, the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch. Moreover, "above", "above" and "above" the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "beneath" and "beneath" the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.

The following describes a conductive cover 100 of a mobile terminal according to an embodiment of the present invention with reference to FIGS. 1-6 .

As shown in FIGS. 1-6 , the conductive cover 100 has opposite first side walls 3 and second side walls 4 and a rear wall 5 connected between the first side walls 3 and the second side walls 4 . For example, the rear wall 5 includes a pair of long sides and a pair of short sides parallel to each other, and the first side wall 3 and the second side wall 4 are respectively arranged on the two long sides of the rear wall 5, or in other embodiments , the first side wall 3 and the second side wall 4 are respectively arranged on the two short sides of the rear wall 5 .

As shown in FIGS. 1-5 , the conductive cover 100 further includes at least one set of first slit strips 1 and second slit strips 21 . For example, as shown in Figure 1 and Figures 3-6, the first slot zone group 1 is one group, or, in other embodiments, as shown in Figure 2, the first slot zone group 1 is two groups, two The first set of slit strips set 1 are spaced apart.

Part of the first slit band group 1 is located on the rear wall 5, for example, a part of the first slit band group 1 is located on the rear wall 5 and another part is located on the first side wall 3, or a part of the first slit band group 1 is located on the rear wall 5. On the rear wall 5 and another part on the second side wall 4, or a part of the first slit zone group 1 is located on the first side wall 3, another part is located on the rear wall 5 and a part is located on the second side wall 4 .

Each first slit zone group 1 includes at least one first slit zone 11, that is to say, the first slit zone group 1 may include one first slit zone 11, and may also include multiple first slit zones 11, when the first When the slit zone set 1 includes multiple first slit zones 11, the multiple first slit zones 11 are arranged at intervals. Each first gap zone 11 is provided with a first insulating spacer layer (not shown in the figure).

In general, the fully conductive cover 100 (such as a full metal cover) has the effect of increasing the appearance of the mobile terminal, but the general conductive cover 100 (such as a metal cover) has a signal shielding function, which cannot meet the design of the antenna of the mobile terminal. need. Therefore, the first gap group 1 is set on the conductive cover 100 of the mobile terminal, and the first insulating spacer layer (such as non-conductive plastic material) is filled in the first gap band 11, and the first insulating spacer layer is a non-signal shielding material. , can reduce the shielding effect on the antenna signal of the mobile terminal, so that the conductive cover 100 meets the design requirements of the antenna of the mobile terminal, and improves the strength of the antenna signal of the mobile terminal.

Specifically, the second gap zone 21 is provided on at least one of the first side wall 3 and the second side wall 4 , and a second insulating spacer layer (not shown in the figure) is provided in the second gap zone 21 . For example, the first side wall 3 is provided with at least one second slit zone 21, the second side wall 4 is provided with at least one second slit zone 21, or the first side wall 3 and the second side wall 4 are respectively provided with At least one second slot zone 21 . Thus, when utilizing the first slot band group 1 to realize the function of the antenna, for example, utilizing the first slot band group 1 can guarantee 2G (the 2th Generation mobile communication technology, the second generation mobile communication technology), 3G (the 3rd Generation mobile communication technology, the third generation mobile communication technology), 4G (the 4th Generation mobile communication technology, the fourth generation mobile communication technology), GPS (Global Positioning System, global positioning system) and WIFI (WIreless-Fidelity, wireless fidelity), etc. On the basis of realization, reusing the second slot band 21 is beneficial to realize the MIMO antenna design of the mobile terminal. For example, when using the first slot band group 1 to realize a WiFi antenna, the second slot band 21 can also be used to realize another WiFi antenna. antenna, which realizes the design of the MIMO antenna of the mobile terminal, which is conducive to improving the signal strength of the antenna of the mobile terminal, and can ensure the coverage of the conductive area of the conductive cover 100 to the greatest extent, and optimize the appearance of the mobile terminal, such as the conductive cover When 100 is a metal cover, the coverage of the metal area is guaranteed to the greatest extent, and the metal texture is maximized.

According to the conductive cover 100 of the mobile terminal in the embodiment of the present invention, the first slit group 1 and the second slit 21 are arranged on the conductive cover 100, and the first slit group 1 includes at least one first slit 11, and fill the first insulating spacer layer in the first slot zone 11, and fill the second insulating spacer layer in the second slot zone 21, which is conducive to the design of the MIMO antenna of the mobile terminal, improves the radiation performance of the antenna, and optimizes the signal strength, and at the same time ensure the coverage of the conductive area of the conductive cover 100 to the greatest extent, and optimize the appearance of the conductive cover 100 .

According to some embodiments of the present invention, as shown in Fig. 1-Fig. 2 and Fig. 4-Fig. In the direction of the side wall 4 , a plurality of first slit zones 11 are arranged spaced apart from each other. Preferably, the first slit zone group 1 includes two first slit zones 11, as shown in FIGS. The other end is located on the rear wall 5, one end of the other first slot 11b is located on the second side wall 4 and the other end is located on the rear wall 5, thus, it is beneficial to increase the length of the first slot 11 and enhance the antenna radiation performance. Preferably, as shown in FIG. 1-FIG. 2 and FIG. 4-FIG. 5, one end of one first slit zone 11a is located on the first side wall 3 and runs through the first side wall 3 in the width direction. The other end of the first side wall 3 is located on the rear wall 5, and one end of the other first slit zone 11b is located on the second side wall 4 and runs through the second side wall in the width direction of the second side wall 4 4 and the other end is located on the rear wall 5, and the first slot 11 thus formed has an opening at one end, thus realizing a slotted antenna with an opening at one end, which is beneficial to improving the radiation performance of the antenna.

It can be understood that, in each group of the first slot strip group 1, the gap between two adjacent first slot strips 11 can be set as required, thereby, the resonance of the antenna can be adjusted, and the performance index of the antenna can be improved .

In other embodiments of the present invention, as shown in FIG. 3 and FIG. 6 , each first slit zone group 1 includes a first slit zone 11, and the first slit zone 11 includes sequentially connected first segments 111, The second segment 112 and the third segment 113 , wherein the first segment 111 is located on the first side wall 3 , the second segment 112 is located on the rear wall 5 , and the third segment 113 is located on the second side wall 4 . In this way, it is beneficial to increase the length of the first slot zone 11, improve the radiation performance of the antenna, and optimize the signal strength of the mobile terminal.

Preferably, as shown in FIG. 3 , the first section 111 and the second section 112 are arranged substantially vertically, and the second section 112 and the third section 113 are arranged substantially perpendicularly, which not only helps to simplify the structure of the first slit zone 11, but also has It is beneficial to increase the aesthetics of the conductive cover 100 . Specifically, the first segment 111, the second segment 112, and the third segment 113 are all straight segments. Of course, the present invention is not limited thereto. In other embodiments, the first segment 111, the second segment 112, and the third segment 113 can also be arc-shaped, zig-zag or wave-shaped.

In some embodiments of the present invention, as shown in FIG. 6 , the width of the first slit zone 11 is d1, and d1 satisfies: 0.5mm≤d1≤2mm. For example, d1 is 0.6mm, 0.7mm, 0.8mm, 1.2mm, 1.5mm or 1.8mm, etc. The first insulating spacer layer can be filled in the first gap zone 111, thus, the shielding effect on the antenna signal of the mobile terminal can be reduced, so that the conductive cover 100 meets the design requirements of the antenna of the mobile terminal, and it is difficult to attract the attention of the user , can ensure the integrity of the conductive cover 100 , achieve a seamless effect in appearance, and increase the aesthetics of the conductive cover 100 .

In some other embodiments, as shown in Fig. 1-Fig. The metal strips 115 are arranged between two adjacent first micro-slits 114 at intervals in the direction, and each first micro-slit 114 can be filled with a first insulating spacer layer. In this way, the integrity of the conductive cover 100 can be further ensured, a seamless effect can be achieved in appearance, and the aesthetics of the conductive cover 100 can be increased. For example, in the examples shown in FIGS. 1-5 , the first slit zone 11 includes three first micro-slits 114 arranged at intervals, and the first micro-slits 114 may be filled with a first insulating spacer layer. Optionally, the metal strip 115 can be integrated with the conductive cover 100 .

Further, the width of the first micro slit 114 is d2, and d2 satisfies: d2≦0.5 mm, for example, the width of the first micro slit 114 is 0.13 mm, 0.2 mm, 0.3 mm or 0.36 mm. Thus, the shielding effect on the antenna signal of the mobile terminal can be reduced, so that the conductive cover 100 meets the design requirements of the mobile terminal antenna, and it is not easy to attract the attention of the user, and the integrity of the conductive cover 100 can be guaranteed. A seamless effect is achieved, which increases the aesthetics of the conductive cover 100 . It can be understood that the width of each first micro-slit 114 may be the same or different.

As shown in Figures 1-6, according to some embodiments of the present invention, a plurality of second slit zones 21 are respectively provided on the first side wall 3 and the second side wall 4, and on the first side wall 3 and the second side wall In the length direction of the wall 4, a plurality of second slit zones 21 are arranged at intervals. Thus, by setting multiple second slot strips 21, on the basis of realizing the MIMO antenna design of the mobile terminal, it is beneficial to further optimize the structure of the MIMO antenna. For example, there are two second slot strips 21. On the basis of band group 1 realizing 4G and WIFI antenna, one of the second slot bands 21 can be used to realize another 4G antenna, and another second slot band 21 can be used to realize the WIFI antenna, which is beneficial to simultaneously improve the performance of the 4G antenna and the WiFi antenna. Radiation performance, of course, it can be understood that the two second slot strips 21 can also implement two other WiFi antennas at the same time. Therefore, it can be understood that when there are multiple second slots 21, the multiple second slots 21 can simultaneously realize a kind of antenna function, and of course, the multiple second slots 21 can also realize different antennas respectively. function. Preferably, the second slot zone 21 can be used to implement a MIMO antenna with a frequency band of 2.4G or 3.5G.

Specifically, the multiple second slit zones 21 on the first side wall 3 and the multiple second slit zones 21 on the second side wall 4 are arranged symmetrically with respect to the center line of the rear wall 5 . That is to say, a plurality of second slits 21 on the first side wall 3 and a plurality of second slits 21 on the second side wall 4 are perpendicular to the rear wall 5 from the first side wall 3 to the second side. The central line of the direction of the wall 4 is arranged symmetrically, which is beneficial to optimize the appearance of the conductive cover 100 and improve user experience.

In a further embodiment of the present invention, as shown in FIG. 5 , the first side wall 3 is provided with a plurality of first spacing holes 31 passing through it in the thickness direction of the first side wall 3 , and the second side wall 4 is provided with There are a plurality of second spacing holes 41 penetrating through it in the thickness direction of the second side wall 4, and the plurality of first spacing holes 31 are arranged in one-to-one correspondence with the plurality of second slit zones 21 on the first side wall 3. The second interval holes 41 are provided in one-to-one correspondence with the plurality of second slits 21 on the second side wall 4, and one end of each second slit 21 on the first side wall 3 extends to the corresponding first interval. Holes 31 , one end of each second slit zone 21 on the second side wall 4 extends to the corresponding second spacing hole 41 . One end of the thus formed second slot strip 21 has an opening, thus realizing a slotted antenna with an opening at one end, which is beneficial to improving the radiation performance of the antenna. Optionally, the first spacing hole 31 and the second spacing hole 41 may be filled with insulating spacers (such as non-conductive plastic material).

In some other embodiments, as shown in FIG. 4 , at least one set of second slit zone groups 2 is provided on the first side wall 3 , that is to say, one set of second slit zone groups may be provided on the first side wall 3 2. It is also possible to set multiple sets of second slit zone sets 2 . When multiple sets of second slit zone groups 2 are provided on the first side wall 3 , the multiple sets of second slit zone sets 2 are arranged at intervals along the length direction of the first side wall 3 . Each second slit zone group 2 includes two second slit zones 21 spaced apart from each other, and the two second slit zones 21 of each second slit zone group 2 are spaced apart along the length direction of the first side wall 3 .

The first side wall 3 is provided with at least one third spacing hole 32 penetrating through it in the thickness direction of the first side wall 3 , and the third spacing hole 32 corresponds to the second slot zone group 2 one by one. That is to say, when the second slit zone group 2 on the first side wall 3 is one group, there is one third spacing hole 32; when the second slit zone group 2 on the first side wall 3 is multiple groups, There are a plurality of third interval holes 32 , and the plurality of third interval holes 32 correspond to the plurality of second slit zone groups 2 one by one.

Each third spacing hole 32 is located between the two second slits 21 of each second slit group 2, and one end of each second slit 21 of each second slit group 2 extends to the corresponding first Three interval holes 32, each third interval hole 32 accommodates an insulator. One end of the thus formed second slot strip 21 has an opening, which realizes the design of a slotted antenna with an opening at one end, which is beneficial to improve the radiation performance of the antenna. Of course, the present invention is not limited thereto, and a metal piece may also be arranged in the third interval hole 32, which is beneficial to realize a slotted antenna.

Further, as shown in FIG. 4, at least one set of second slit zone groups 2 is provided on the second side wall 4, that is to say, a set of second slit zone groups 2 may be provided on the second side wall 4, or Multiple sets of second slit zone sets 2 are provided. When multiple sets of second slit zone groups 2 are provided on the second side wall 4 , the multiple sets of second slit zone sets 2 are spaced apart along the length direction of the second side wall 4 . Each second slit zone group 2 includes two second slit zones 21 spaced apart from each other, and the two second slit zones 21 of each second slit zone group 2 are spaced apart along the length direction of the second side wall 4 .

The second side wall 4 is provided with at least one fourth spacing hole 42 penetrating through it in the thickness direction of the second side wall 4 , and the fourth spacing hole 42 corresponds to the second slot zone group 2 one by one. That is to say, when the second slit zone group 2 on the second side wall 4 is one group, there is one fourth spacing hole 42; when the second slit zone group 2 on the second side wall 4 is multiple groups, There are a plurality of fourth interval holes 42 , and the plurality of fourth interval holes 42 correspond to the plurality of second gap zone groups 2 one by one.

Each fourth spacing hole 42 is located between the two second slits 21 of each second slit group 2, and one end of each second slit 21 of each second slit group 2 extends to the corresponding first Four interval holes 42, each fourth interval hole 42 accommodates an insulator. One end of the second slot strip 21 thus formed has an opening, which is conducive to realizing a slotted antenna with an opening at one end and improving the radiation performance of the antenna.

In some embodiments of the present invention, the width of the second slit zone 21 is d3, and d3 satisfies: 0.5mm≤d3≤2mm. For example, d3 is 0.6mm, 0.7mm, 0.8mm, 1.2mm, 1.5mm or 1.8mm, etc. The second insulating spacer layer can be filled in the second gap zone 21, thus, the shielding effect on the antenna signal of the mobile terminal can be reduced, so that the conductive cover 100 meets the design requirements of the antenna of the mobile terminal, and it is difficult to attract the attention of the user , can ensure the integrity of the conductive cover 100 , achieve a seamless effect in appearance, and increase the aesthetics of the conductive cover 100 .

Optionally, the second slit zone 21 includes a plurality of second micro-slits 211, and the plurality of second micro-slits 211 are arranged at intervals in a direction perpendicular to its length, and two adjacent second micro-slits 211 are arranged between two adjacent second micro-slits 211. There are metal strips 212, and each second micro-slit 211 can be filled with a second insulating spacer layer. In this way, the integrity of the conductive cover 100 can be further ensured, a seamless effect can be achieved in appearance, and the aesthetics of the conductive cover 100 can be increased. Optionally, the metal strip 212 can be integrated with the conductive cover 100 .

Further, the width of the second micro-slit 211 is d4, and d4 satisfies: d4≦0.5mm. For example, the width of the second micro-slit 211 is 0.13mm, 0.2mm, 0.3mm or 0.36mm, etc. Thus, the shielding effect on the antenna signal of the mobile terminal can be reduced, so that the conductive cover 100 meets the design requirements of the mobile terminal antenna, and it is not easy to attract the attention of the user, and the integrity of the conductive cover 100 can be guaranteed. A seamless effect is achieved, which increases the aesthetics of the conductive cover 100 . It can be understood that the width of each second micro-slit 211 may be the same or different.

The following describes the conductive cover 100 according to multiple specific embodiments of the present invention with reference to FIGS. limit.

Embodiment one

As shown in FIG. 1, the conductive cover 100 according to the embodiment of the present invention is a metal cover, and the conductive cover 100 is generally formed into a rectangle. The conductive cover 100 includes a pair of long sides parallel to each other and a pair of short sides parallel to each other. , the first sidewall 3 and the second sidewall 4 are respectively formed on the two long sides of the conductive cover 100 .

As shown in FIG. 1 , the conductive cover 100 includes a set of first slit bands 1 , and the set of first slit bands 1 is disposed adjacent to one of the short sides. The set of first slit zone groups 1 includes two first slit zones 11 , and the two first slit zones 11 are arranged at intervals in the direction from the first side wall 3 to the second side wall 4 . One end of one of the first slits 11a is located on the first side wall 3 and runs through the first side wall 3 in the width direction of the first side wall 3, and the other end is located on the rear wall 5, and the other one of the first slits One end of 11 b is located on the second side wall 4 and passes through the second side wall 4 in the width direction of the second side wall 4 , and the other end is located on the rear wall 5 .

Two second slit zones 21 are respectively arranged on the first side wall 3 and the second side wall 4, and the two second slit zones 21 on the first side wall 3 are spaced apart in the length direction of the first side wall 3 The two second slit zones 21 located on the second side wall 4 are spaced apart in the length direction of the second side wall 4 . As shown in Figure 1, each first slit zone 11 includes three first micro-slits 114 arranged at intervals in the direction perpendicular to its length, and a metal strip 115 is arranged between adjacent two first micro-slits 114, The material of the metal strip 115 is the same as that of the conductive cover 100 , the width of each first micro-slit 114 is d2, and d2 satisfies: d2≤0.5mm, and the first micro-slit 114 is filled with non-conductive plastic material. Each second slit zone 21 includes three second micro-slits 211 arranged at intervals in the direction perpendicular to its length, and a metal strip 212 is arranged between adjacent two second micro-slits 211, and the material of the metal strip 212 is the same as The material of the conductive cover 100 is the same, the width of each second micro-slit 211 is d4, d4 satisfies: d2≤0.5mm, and the second micro-slit 211 is filled with non-conductive plastic material.

Embodiment two

As shown in Figure 2, the structure of this embodiment is substantially the same as that of Embodiment 1, wherein the same components use the same reference numerals, the only difference is that the conductive cover 100 includes two sets of first slit band groups 1, and the two The first set of slit strips 1 are respectively located at positions adjacent to the short sides of the conductive cover 100 .

Embodiment three

As shown in FIG. 3 , the structure of this embodiment is substantially the same as that of Embodiment 1, wherein the same components use the same reference numerals. The first slit zone group 1 comprises a first slit zone 11, and the first slit zone 11 includes a first segment 111, a second segment 112 and a third segment 113 connected in sequence, wherein the first segment 111 is located at the first On the side wall 3 and through the first side wall 3 in the width direction of the first side wall 3 , the second section 112 is located on the rear wall 5 , and the third section 113 is located on the second side wall 4 and on the second side wall 4 Through the second side wall 4 in the width direction. As shown in Fig. 3, the first section 111 and the second section 112 are generally vertically arranged, and the second section 112 and the third section 113 are generally vertically arranged, which not only helps to simplify the structure of the first gap zone 11, but also helps to increase the conductivity Aesthetics of the cover body 100 . Specifically, the first segment 111 , the second segment 112 and the third segment 113 are all straight segments.

Embodiment four

As shown in Figure 4, the structure of this embodiment is substantially the same as that of Embodiment 1, wherein the same components use the same reference numerals, the only difference is that a set of second slit band groups 2 is provided on the first side wall 3, And the first side wall 3 is provided with a third spacing hole 32 passing through it in the thickness direction of the first side wall 3 , the third spacing hole 32 is located between the two second slots 21 of the second slot group 2 One end of each second slit 21 of the second slit group 2 extends to a third spacing hole 32 , and each third spacing hole 32 contains an insulating member. The second side wall 4 is provided with a group of second slit band groups 2, and the second side wall 4 is provided with a fourth spacing hole 42 passing through it in the thickness direction of the second side wall 4, and the fourth spacing hole 42 is located at Between the two second slit bands 21 of the second slit band group 2, one end of each second slit band 21 of the second slit band group 2 on the second side wall 4 extends to the fourth spacing hole 42, each Insulators are accommodated in the fourth spacing holes 42 .

Embodiment five

As shown in FIG. 5 , the structure of this embodiment is substantially the same as that of Embodiment 1, wherein the same components use the same reference numerals, the only difference is that the first side wall 3 is provided with two The thickness direction of the second side wall 4 is provided with two second spacing holes 41 passing through it in the thickness direction of the second side wall 4. The two first spacing holes 31 and the first The two second slits 21 on the side wall 3 are set in one-to-one correspondence, and the two second spacing holes 41 are set in one-to-one correspondence with the two second slits 21 on the second side wall 4 , and the first side wall One end of each second slit 21 on 3 extends to the corresponding first spacing hole 31 , and one end of each second slit 21 on the second side wall 4 extends to the corresponding second spacing hole 41 .

A case of a mobile terminal according to an embodiment of the present invention is described below.

The casing of the mobile terminal according to the embodiment of the present invention includes the above-mentioned conductive cover 100 . By setting the above-mentioned conductive cover 100, it is beneficial to realize the design of the MIMO antenna of the mobile terminal, improve the radiation performance of the antenna, optimize the signal strength of the mobile terminal, and at the same time ensure the coverage of the conductive area of the conductive cover 100 to the greatest extent, optimize The appearance of the conductive cover 100 .

In some embodiments of the present invention, the conductive cover 100 may be configured as a back cover of a casing of a mobile terminal, and a frame is provided on an edge of the back cover.

A mobile terminal according to an embodiment of the present invention is described below.

A mobile terminal according to an embodiment of the present invention includes the casing of the above mobile terminal, a radio frequency transceiver circuit, a matching circuit, and a grounding circuit. The RF transceiver circuit is electrically connected to the conductive cover 100 through a matching circuit, the RF transceiver circuit can be used as a capacitive coupling feed, and the matching circuit is used between the RF transceiver circuit and the conductive cover for impedance matching and balance matching. It should be noted that both the radio frequency transceiver circuit and the matching circuit have become prior art, and will not be described in detail here.

According to the mobile terminal of the embodiment of the present invention, by setting the above-mentioned housing, it is beneficial to realize the design of the MIMO antenna of the mobile terminal, improve the radiation performance of the antenna, optimize the signal strength of the mobile terminal, and at the same time ensure the maximum extent of the conductive cover 100. The coverage of the conductive area optimizes the appearance of the conductive cover 100 .

In some embodiments of the present invention, the mobile terminal device may be various devices that can obtain data from the outside and process the data, or the mobile terminal device may be various types of devices with built-in batteries that can obtain data from the outside A device that charges the battery with an electric current, such as a mobile phone, tablet computer, computing device, or information display device. Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communications Systems (PCS) terminals that may combine cellular radiotelephones with data processing, facsimile, and data communication capabilities; may include radiotelephones, pagers, Internet/Intranet access , a PDA with a web browser, organizer, calendar, and/or Global Positioning System (GPS) receiver; and a conventional laptop and/or palm-type receiver or other electronic device including a radiotelephone transceiver.

The mobile terminal equipment applicable to the present invention will be introduced below by taking a mobile phone as an example.

In the embodiment of the present invention, the mobile phone may include components such as a radio frequency transceiver circuit, a memory, an input unit, a wireless fidelity (WiFi, wireless fidelity) module, a display unit, a sensor, an audio circuit, a processor, a projection unit, a camera unit, and a battery .

The radio frequency transceiver circuit can be used to receive and send signals during the process of sending and receiving information or talking. In particular, after receiving the downlink information of the base station, it is processed by the processor; in addition, the uplink data of the mobile phone is sent to the base station. Typically, radio frequency transceiver circuits include, but are not limited to, antennas, at least one amplifier, transceivers, couplers, low noise amplifiers, duplexers, and the like. In addition, radio frequency transceiver circuits can also communicate with networks and other devices through wireless communication. The above wireless communication can use any communication standard or protocol, including but not limited to Global System for Mobile Communication (GSM, Global System for Mobilecommunication), General Packet Radio Service (GPRS, General Packet Radio Service), Code Division Multiple Access (CDMA, Code Division Multiple Access), Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), Long Term Evolution (LTE, Long Term Evolution), email, Short Message Service (SMS, Short Messaging Service), etc.

Wherein, the memory can be used to store software programs and modules, and the processor executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory. The input unit can be used to receive input numbers or character information, and generate key signals related to user settings and function control of the mobile phone. The display unit may be used to display information input by or provided to the user and various menus of the mobile phone. In addition, the mobile phone may further include at least one sensor, such as an attitude sensor, a light sensor, and other sensors. Audio circuitry, speakers and microphones provide the audio interface between the user and the phone.

It should be noted that the mobile phone is only an example of a mobile terminal device, and the present invention is not particularly limited. The present invention can be applied to electronic devices such as mobile phones and tablet computers, and the present invention is not limited thereto.

In the description of this specification, descriptions referring to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structure, material or characteristic is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and those skilled in the art can make the above-mentioned The embodiments are subject to changes, modifications, substitutions and variations.

Claims (16)

1. A conductive cover for a mobile terminal, characterized in that the conductive cover has opposite first side walls and second side walls and is connected between the first side wall and the second side wall of the rear wall, the conductive cover further comprising: At least one set of first slit bands, the first slit bands are partially arranged on the rear wall, each set of first slit bands includes at least one first slit band, each of the first slit bands A first insulating spacer layer is provided inside; A second gap zone, the second gap zone is provided on at least one of the first side wall and the second side wall, and a second insulating spacer layer is arranged in the second gap zone. 2. The conductive cover of the mobile terminal according to claim 1, characterized in that, the first slit group includes a plurality of first slits, from the first side wall to the second In the direction of the side wall, a plurality of the first slit zones are spaced apart from each other. 3. The conductive cover of a mobile terminal according to claim 2, wherein the first slit group comprises: two first slits, one end of one of the first slits is located at the One end of the other first slit zone is located on the second side wall and the other end is located on the rear wall. 4. The conductive cover of a mobile terminal according to claim 1, wherein the first slit group includes one first slit, and the first slit includes sequentially connected first segments , a second section and a third section, wherein the first section is located on the first side wall, the second section is located on the rear wall, and the third section is located on the second side wall . 5 . The conductive cover of a mobile terminal according to claim 1 , wherein the width of the first gap is d1, and the d1 satisfies: 0.5mm≤d1≤2mm. 6. The conductive cover of the mobile terminal according to claim 1, wherein each of the first slit strips comprises a plurality of first micro slits, and the plurality of first micro slits are perpendicular to the first micro slits. A micro-slit is arranged at intervals along the length direction, a metal strip is provided between two adjacent first micro-slits, and the first insulating spacer layer is provided in each of the first micro-slits. 7 . The conductive cover of a mobile terminal according to claim 6 , wherein the width of the first micro-slit is d2, and the d2 satisfies: d2 ≤ 0.5 mm. 8. The conductive cover of a mobile terminal according to claim 1, wherein a plurality of second slits are respectively provided on the first side wall and the second side wall, and on the first side In the length direction of the wall and the second side wall, a plurality of second slit zones are spaced apart. 9. The conductive cover of the mobile terminal according to claim 8, characterized in that, the multiple second slits on the first side wall and the multiple first slits on the second side wall The two slits are arranged symmetrically with respect to the center line of the rear wall. 10. The conductive cover of the mobile terminal according to claim 8, wherein the first side wall is provided with a plurality of first interval holes penetrating through it in the thickness direction of the first side wall, so The second side wall is provided with a plurality of second spacing holes passing through it in the thickness direction of the second side wall, and the plurality of first spacing holes are connected with the plurality of first spacing holes on the first side wall. The two slits are arranged in one-to-one correspondence, and the plurality of second spacing holes are arranged in one-to-one correspondence with the plurality of second slits on the second side wall, and each of the first side walls One end of the second slit extends to the corresponding first spacing hole, and one end of each second slit on the second side wall extends to the corresponding second spacing hole. 11. The conductive cover of a mobile terminal according to claim 1, wherein at least one set of second slit band groups is provided on the first side wall, and each set of the second slit band groups includes spaced apart from each other. The two second slits are opened, the first side wall is provided with at least one third spacing hole passing through it in the thickness direction of the first side wall, and the third spacing hole is connected to the first side wall. There is a one-to-one correspondence between the two slit band groups, each of the third interval holes is located between the two second slit bands of each group of the second slit band groups, and each of the second slit band groups in each group One end of the second slit extends to the corresponding third spacing hole, and an insulating member is accommodated in each of the third spacing holes. 12 . The conductive cover of a mobile terminal according to claim 1 , wherein the width of the second gap is d3, and the d3 satisfies: 0.5mm≤d3≤2mm. 13. The conductive cover of a mobile terminal according to claim 1, wherein the second slit zone comprises a plurality of second micro slits, and a plurality of the second micro slits are perpendicular to the second micro slits. The slits are arranged at intervals along the length direction, a metal strip is provided between two adjacent second micro slits, and the second insulating spacer layer is provided in each of the second micro slits. 14. The conductive cover of a mobile terminal according to claim 13, wherein the width of the second micro-slit is d4, and the d4 satisfies: d4≤0.5mm. 15. A casing of a mobile terminal, comprising: the conductive cover of the mobile terminal according to any one of claims 1-14. 16. A mobile terminal, comprising the casing of the mobile terminal according to claim 15.