WO2018133201A1 - 一种电子终端 - Google Patents

一种电子终端 Download PDF

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Publication number
WO2018133201A1
WO2018133201A1 PCT/CN2017/078303 CN2017078303W WO2018133201A1 WO 2018133201 A1 WO2018133201 A1 WO 2018133201A1 CN 2017078303 W CN2017078303 W CN 2017078303W WO 2018133201 A1 WO2018133201 A1 WO 2018133201A1
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WO
WIPO (PCT)
Prior art keywords
antenna
groove
housing
recess
electronic terminal
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Application number
PCT/CN2017/078303
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English (en)
French (fr)
Inventor
李伟斌
赵梦龙
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201780022680.9A priority Critical patent/CN108886194B/zh
Publication of WO2018133201A1 publication Critical patent/WO2018133201A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles

Definitions

  • the present application relates to the field of electronic technologies, and in particular, to an electronic terminal.
  • Smart wearable watches are moving in the direction of independent connection.
  • communication standards to 4G/5G a variety of antennas are arranged in the watch products, and the wiring space required for each antenna size is increasing. At present, most of the antennas of the products are placed inside. Because the size of the watch is small, the design space of the antenna is smaller after the case is removed, which limits the design of the antenna and affects the performance of the antenna.
  • the antenna is disposed on the outer surface by using the LDS technology.
  • the housing is subjected to laser activation treatment, and then the radiation unit of the antenna is formed by an electroplating process, and finally the surface is sprayed to cover the antenna shape.
  • the spraying process in order to obtain Good appearance, usually need to spray the primer multiple times, and after hand grinding (rough grinding + fine grinding), then spray the topcoat. This scheme is complex in process, low in yield and high in cost.
  • the embodiment of the present application provides an electronic terminal that disposes the radiating unit of the antenna on the outer surface of the casing, expands the design space of the antenna, simplifies the production process, and improves the quality of the electronic terminal.
  • an electronic terminal comprising a main board, a housing, and at least one antenna, wherein:
  • Each antenna includes a radiating element and an antenna feed line for feeding the radiating element
  • An insulating region is disposed on an outer surface of the housing, the insulating region is provided with a first groove corresponding to each of the antennas, and a second groove that is laminated and communicated with each of the first grooves.
  • the radiating unit of each antenna is disposed in a first recess corresponding to the antenna, and the second recess is provided with a filling layer, and the filling layer covers the radiating unit of each antenna;
  • the main board is disposed in the housing, and an antenna feed line of each antenna passes through the housing and is electrically connected to the main board.
  • the radiation unit of the antenna is accommodated by providing a first groove on the surface of the casing, so that the arrangement of the antenna can be transferred from the inside of the casing to the outside of the casing, thereby expanding the design space of the antenna; by spraying in the second groove
  • the filling of the paint layer and the like covers the radiation unit of the antenna, which omits the complicated processing procedures such as multiple spraying and manual grinding on the surface of the radiating element of the antenna in the prior art, which simplifies the production process and reduces the production cost.
  • the insulating region is provided with the first recess An antenna hole
  • the antenna feed line of each antenna is electrically connected to the main board through an antenna hole corresponding to the antenna.
  • the antenna feed line of each antenna is electrically connected to the main board through a metal dome, and one end of each metal dome and the motherboard The solder connection is connected, and the other end is pressed against the end of the antenna feed line connected to the metal dome away from the radiation unit.
  • the radiating unit of each antenna is integrated with a corresponding antenna feed line.
  • the radiating element of each antenna and the corresponding antenna feed line are an antenna structure formed by curing the antenna silver oil.
  • the first groove and the corresponding antenna hole are filled with the antenna silver oil to form an antenna, the process is simple, the reliability is strong, the complicated processing procedure of the laser laser engraving antenna is avoided, and the production cost is reduced, and each antenna is
  • the radiating element and the corresponding antenna feed line may also be formed into a unitary structure using other conductive materials.
  • the first groove is a groove structure formed by laser engraving.
  • the insulating region is a portion of the housing made of a ceramic material.
  • the ceramic material is resistant to high temperatures, so that when the antenna silver oil is cured at a high temperature, the shell of the insulating portion is less likely to be deformed, or the insulating region can also be made of other high temperature resistant insulating materials.
  • the insulating region forms a circular boss on the housing, each of the first recess and The second groove is disposed on the boss.
  • the second concave The groove encloses a closed pattern such as a ring shape or a rectangle on the surface of the casing.
  • the annular or rectangular second groove lengthens its set length on the housing and provides space for the arrangement of the plurality of first grooves so that the radiating elements of the plurality of antennas can be accommodated on the housing
  • the second groove may further form a non-closed pattern extending along a straight line or a curved line on the casing.
  • the first recess when the second recess encloses a ring shape on the surface of the housing, the first recess may be on the surface of the housing It has a shape of a gear, a curved shape or a wave shape.
  • the first groove is disposed on the circumference formed by the second groove, and the first groove of the shape of the gear shape, the arc shape or the wave shape lengthens the design length of the antenna radiation unit, further perfecting the function of the antenna.
  • the second recess has a gear shape on the housing.
  • the gear-shaped second groove lengthens its set length on the housing and provides space for the arrangement of the plurality of first grooves, so that the radiation units of the plurality of antennas can be accommodated on the housing.
  • the electronic terminal is an electronic watch
  • the housing of the electronic watch includes a front cover and a rear cover, each of the The first groove and the second groove are disposed on a front surface of the front cover, or each of the first groove and the second groove are disposed at a side of the front cover.
  • FIG. 1 is a partial cross-sectional view of an electronic terminal according to an embodiment of the present application.
  • Figure 1a is a top plan view of the electronic terminal housing of Figure 1;
  • FIG. 2 is a partial cross-sectional view of an electronic terminal having a boss structure according to an embodiment of the present application
  • Figure 2a is a top plan view of the electronic terminal housing of Figure 2;
  • FIG. 2b is another top view of the electronic terminal housing of FIG. 2;
  • FIG. 3 is a partial cross-sectional view of another electronic terminal having a boss structure according to an embodiment of the present application
  • Figure 3a is a top plan view of the electronic terminal housing of Figure 3;
  • Figure 3b is another top view of the electronic terminal housing of Figure 3.
  • the embodiment of the present application provides an electronic terminal.
  • the electronic terminal mainly includes a motherboard 10 .
  • the antenna feed line 32 passes through the housing 20 and is electrically connected to the main board 10 disposed in the housing 20.
  • the electronic terminal provided by the embodiment of the present application accommodates the radiation unit 31 of the antenna 30 by providing a groove structure on the outer surface of the casing 20, thereby transferring the radiation unit 31 of the antenna 30 from the inside of the casing 20 to the casing 20.
  • the structural features on the housing 20 are used to meet the space requirements of the plurality of antennas 30 in the electronic terminal.
  • the arrangement of the antennas is applicable to electronic terminals such as electronic watches, mobile phones, and tablet computers.
  • the electronic terminal is provided with an insulating region on the outer surface of the housing 20, and a first recess 21 corresponding to each antenna 30 is opened on the insulating region, and is stacked with each of the first recesses 21.
  • each antenna 30 is disposed in the first groove 21 corresponding to the antenna 30, and a filling layer 40 is disposed in the second groove 22, and the filling layer 40 is The radiation unit 31 of each antenna 30 is covered; it should be understood that when the electronic terminal includes a plurality of antennas 30, the lengths of the first grooves 21 corresponding to each of the antennas 30 may be equal or unequal, depending on The length of the radiating element 31 of each antenna 30 is set to the length of the first recess 21 corresponding to the antenna 30.
  • the first groove 21 is disposed on the bottom wall of the second groove 22, and the side wall of the first groove 21 and the second groove 22 are as shown in FIG. 2 from the cross-sectional view of the electronic terminal.
  • the sidewalls may not overlap up and down.
  • the two sidewalls of the first recess 21 are interposed between the two sidewalls of the second recess 22.
  • the sidewall of the first recess 21 and the sidewall of the second recess 22 may not overlap up and down, and the two sidewalls of the second recess 22 are interposed between the two sidewalls of the first recess 21 Or, as shown in FIG.
  • the sidewall of the first recess 21 and the sidewall of the second recess 22 may also overlap one another, correspondingly, in a top view of the electronic terminal housing, as shown in FIG. 3a
  • the two side walls of the first recess 21 coincide with a portion of the two side walls of the second recess 22; in addition, the first recess 21 and the second recess 22 may form a plurality of surfaces on the surface of the housing 20.
  • the first groove 21 and the second groove 22 may extend along a straight line or a curve, and when the second groove 22 encloses a closed figure such as a circle or a rectangle, the first groove 2 1 is distributed on the closed pattern formed by the second recess 22; structurally, the two sidewalls of the first recess 21 and the second recess 22 may be planar or curved, as shown in FIG. 2a, and second The groove 22 encloses a ring shape on the surface of the casing 20, the first groove 21 is distributed on the circumference formed by the second groove 22, and the first groove 21 is in the shape of a gear, or, as shown in Fig.
  • the first concave The groove 21 is curved on the surface of the casing 20.
  • the shape of the surface of the first recess 21 on the surface of the housing 20 corresponds to the shape of the antenna radiating unit 31.
  • the first recess 21 may be comprehensively arranged according to factors such as the housing structure of the electronic terminal, the number of the antennas 30, and the like.
  • FIG. 1 is a partial cross-sectional view of the electronic terminal according to the embodiment of the present invention.
  • FIG. 1 is a top view of the housing of the electronic terminal of FIG. 1.
  • the electronic terminal mainly includes a main board 10 and a housing. 20 and at least one antenna 30, wherein each antenna 30 comprises a radiating element 31 and an antenna feed line 32 for feeding the radiating element 31, and for each antenna, the radiating element 31 of the antenna 30 is disposed on the surface of the housing 20. In the groove.
  • the surface of the housing 20 is provided with an insulating region, a second recess 22 is formed in the insulating region, and the second recess is At least one first groove 21 is defined in the bottom wall of the bottom wall 22, as shown in FIG. 1, the two side walls of the first groove 21 do not overlap with the two side walls of the second groove 22, the first groove 21 and
  • the shape of the second groove 22 on the housing is as shown in FIG. 1a, wherein the two side walls of the first groove 21 are interposed between the two side walls of the second groove 22, and the first groove 21
  • the second groove 22 encloses a ring shape in the housing 20, and the second groove 22 is a region between two concentric circles having unequal radii from a plan view.
  • the electronic terminal is an electronic wristwatch.
  • the housing 20 of the electronic wristwatch includes a front cover and a rear cover.
  • the front cover and the rear cover form a cavity for accommodating components of the main board 10 and the like, and grooves are provided on the surface of the housing 20 to
  • each of the first recess 21 and the second recess 22 may be disposed on the front surface of the front cover, or each of the first recess 21 and the second recess 22 may be disposed on the side of the front cover
  • the front side of the front cover refers to one side of the dial
  • the side of the front cover refers to the side of the front cover that is disposed around the dial.
  • the first groove 21 and the second groove 22 are disposed on the front surface of the front cover, the first groove 21 is in the shape of a gear, the second groove 22 is formed in a ring shape around the dial of the electronic watch, and, in the second groove Four equal length first grooves 21a are distributed on the circumference of 22, respectively corresponding to the antennas 30 of the same length of the four radiating elements 31.
  • the insulating region may form a boss 24 on the housing 20, and the first groove 21 and the second groove 22 are disposed on the boss 24, as shown in FIG. 2 and FIG. 2a.
  • 2 is a partial cross-sectional view of the electronic terminal provided in the embodiment
  • FIG. 2a is a top view of the housing of the electronic terminal in FIG. As shown in FIG.
  • the first groove 21 and the second groove 22 are disposed on the boss 24, the first groove 21 is located on the bottom wall of the second groove 22, and the two sides of the first groove 21
  • the wall does not overlap the two side walls of the second recess 22; the shape of the first recess 21, the second recess 22, and the boss 24 on the surface of the housing 20 is as shown in Fig. 2a, wherein the boss 24 is An annular shape is formed on the housing 20, and the second recess 22 is disposed on the boss 24 and encloses an annular shape.
  • the boss 24 and the second recess 22 are between two concentric circles of different radii.
  • the first groove 21 is in the shape of a gear, and the two side walls of the first groove 21 are interposed between the two side walls of the second groove 22, or as shown in FIG. 2b, the first groove 21 is arc.
  • the electronic terminal is an electronic watch
  • the boss 24 is disposed on the front surface of the front cover, and is disposed around the dial of the electronic watch, or the boss 24 may be disposed on the side of the front cover, wherein the boss 24 may
  • the ceramic watch or the plastic material is made.
  • the boss 24 is a shell structure made of a ceramic material, and the boss of the ceramic material is used as a decorative part on the casing 20 to improve the electronic watch.
  • three first recesses 21 of different lengths are distributed on the circumference of the second recess 22, respectively being the first recess 21b, the first recess 21c, and the first recess.
  • the slot 21d corresponds to the antenna 30 in which the lengths of the three radiating elements 31 are not equal.
  • the two side walls of the first recess 21 overlap with the two side walls of the second recess 22, as shown in FIG. 3, from the top view of the electronic terminal housing of FIG. 3a.
  • the two side walls of the first recess 21 coincide with a portion of the two side walls of the second recess 22, wherein the first recess 21 has a gear shape, and the second recess 22 encloses a ring on the surface of the housing 20.
  • the second groove 22 has a gear shape, or, as shown in FIG.
  • the two side walls of the first groove 21 overlap with a part of the two side walls of the second groove 22, and the first groove 21 is
  • the second recess 22 is annular, and the second recess 22 is a region between two concentric circles having unequal radii.
  • the second recess 22 has three lengths on the circumference.
  • the first grooves 21 are equal to the first groove 21e, the first groove 21f, and the first groove 21g, respectively, corresponding to the antennas 30 of three radiating elements 31 having different lengths.
  • the first groove 21 on the surface of the electronic terminal housing 20 is for accommodating the radiation unit 31 of the antenna 30, the second groove 22 is for arranging the filling layer 40, and the filling layer 40 covers the radiation unit 31 of each antenna 30, so that The radiation unit 31 of the antenna 30 is invisible in appearance, improving the appearance of the casing 20.
  • the electronic terminal has a circular casing 20, and the second groove 22 is disposed to surround the ring of the center of the casing 20, on the one hand, the length of the second groove 22 on the casing 20 is extended, so that A plurality of first grooves 21 may be disposed on the bottom wall of the second recess 22 as an electronic terminal
  • the plurality of antennas 30 provide a receiving space; on the other hand, the filling layer 40 in the second recess 22 can form an aesthetically pleasing circular pattern on the surface of the housing 20, which is advantageous for improving the appearance of the housing 20.
  • the first groove 21 is disposed on the circumference formed by the second groove 22, and the first groove 21 may be disposed in a curved shape such as a gear shape, an arc shape or a wave shape, and the first groove 21 of the curved shape can effectively extend each of the grooves The design length of the radiating element 31 of the antenna 30.
  • the antenna feed line 32 of each of the antennas 30 for feeding the radiation unit 31 passes through the housing 20 and is electrically connected to the main board 10 disposed in the housing 20, specifically, in the housing 20.
  • the antenna hole 23 is connected to each of the first recesses 21, and the antenna feed line 32 of each antenna 30 passes through the antenna hole 23 corresponding to the antenna 30, and is electrically connected to the main board 10, as shown in FIG.
  • the antenna feed line 32 of each antenna 30 is electrically connected to the main board 10 through a metal dome 50. One end of each metal dome 50 is soldered on the main board 10, and the other end is pressed against the antenna feed line 32 connected to the metal dome 50. One end of the radiation unit 31.
  • the antenna feed line 32 transmits a signal obtained from the main board 10 to the radiation unit 31 on the surface of the casing 20, and the electromagnetic wave signal is transmitted from the radiation unit 31 to the outside, or the antenna feed line 32 transmits the signal received from the radiation unit 31 to the main board 10 of the electronic terminal. .
  • the radiating elements 31 of each antenna 30 are integrated with the corresponding antenna feed lines 32.
  • the radiating elements 31 of each antenna 30 and the corresponding antenna feeding lines 32 are The antenna silver oil is solidified, and the antenna silver oil is a liquid containing metal silver, has electrical conductivity, and can be cured at a high temperature, filling the antenna silver oil into the first groove 21, and the antenna silver oil is along the first The sidewall of the groove 21 flows and is injected into the antenna hole 23 communicating with the first groove 21, and the antenna silver oil is solidified at a high temperature to form the radiation unit 31 and the antenna feed line 32.
  • the antenna feed line 32 is formed.
  • a strip-shaped connecting end is formed.
  • the connecting end is attached to the inner wall of the housing 20 toward the side of the main board 10, and the connecting end serves as a feeding area of the antenna 30 through the metal dome 30 and the main board.
  • 10 conductive connections it should be understood that the antenna 30 can also be fabricated from other electrically conductive materials.
  • the first recess 21 and the corresponding antenna hole 23 are filled with the antenna silver oil to form the antenna 30, the process is simple, the reliability is strong, and the complicated processing procedure of the laser laser engraving antenna is avoided, and the processing procedure is reduced.
  • the insulating region on the casing 20 is made of a ceramic material or other high temperature resistant insulating material.
  • the insulating region is made of ceramic.
  • the material is made, or the entire casing 20 is made of a ceramic material, and the ceramic material not only has the characteristics of high temperature resistance and corrosion resistance, so that the casing is difficult to be solidified when the antenna silver oil in the first groove 21 is cured at a high temperature.
  • the deformation occurs, and the ceramic material also has a decorative effect, which is advantageous for improving the appearance of the casing 20.
  • the second recess 22 is formed by laser engraving or other processing on the insulating region of the housing 20; secondly, at least one antenna is processed on the bottom wall of the second recess 22 a hole 23, and a first groove 21 corresponding to each antenna hole 23 is formed on the second groove 22 by a laser engraving process, and each antenna hole 23 and a first groove corresponding to the antenna hole 23 21 is connected; then, the antenna silver oil is filled in each of the first grooves 21 to form the radiation unit 31 of the antenna and the corresponding antenna feed line 32; finally, the filling layer 40 is disposed in the second groove 22, as in the second A paint or the like is sprayed into the groove 22 so that the filling layer 40 covers the radiation unit 31 of each antenna.
  • the electronic terminal is formed by filling the antenna silver oil in the first groove 21 to form the antenna 30, and the process is simple, and the method of directly spraying the paint in the second groove 22 to cover the antenna 30 is avoided.
  • the steps of multiple spraying and manual grinding in the later stage simplify the production process and reduce the production cost.
  • the electronic terminal is provided with a first recess 21 corresponding to each antenna 30 on the insulating region of the housing 20, and a second recess laminated and communicating with each of the first recesses 21
  • the slot 22, the radiating element 31 of each antenna 30 is disposed in a first recess 21 corresponding to the antenna 30, and the second recess 22 is provided with a filling layer 40, and the filling layer 40 radiates the radiating unit of each antenna 30.
  • the electronic terminal is set by the radiation unit 31 of the antenna 30 In the first recess 21 of the surface of the housing 20, the design space of the antenna 30 is expanded, and the radiation unit 31 of the antenna 30 is covered by spraying the paint or the like in the second recess 22 to form the filling layer 40, which simplifies the production process. , reducing production costs.

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Abstract

一种电子终端。该电子终端包括主板、壳体以及至少一个天线，其中，每个天线包括辐射单元以及用于给辐射单元馈电的天线馈线；壳体的外表面上设有绝缘区，绝缘区设有与每个天线相对应的第一凹槽，以及与每个第一凹槽层叠且连通的第二凹槽，每个天线的辐射单元设置在与该天线相对应的第一凹槽内，第二凹槽内设有填充层，填充层将每个天线的辐射单元覆盖；主板设置在壳体内，每个天线的天线馈线穿过壳体后与主板导电连接。上述实施例中，通过在壳体表面设置凹槽结构来容纳天线的辐射单元，使得天线的辐射单元得以布置在壳体外，扩展了天线的设计空间，简化了生产工艺，降低了生产成本。

Description

一种电子终端
本申请要求在2017年01月17日提交中国专利局、申请号为201710033631.7、发明名称为“一种在外表面制作天线的方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子技术领域，尤其涉及一种电子终端。
背景技术
智能穿戴手表向独立连接方向发展，随着通讯标准向4G/5G的发展，在手表产品中要布置多种天线，并且每种天线尺寸要求的布线空间越来越多。目前大多数产品天线布在内部，因为手表尺寸较小，去除表壳后，天线的设计空间更小，限制了天线的设计，影响了天线的性能。
另外，现有技术中利用LDS技术将天线布在外表面，首先对壳体进行镭射活化处理，然后通过电镀工艺形成天线的辐射单元，最后进行表面喷涂以覆盖天线外形，在喷涂工艺中，为了获得良好的外观形状，通常需多次喷涂底漆，并经过手工打磨(粗磨+精磨)后，再喷涂面漆。此方案工艺复杂，良率低、成本高。
发明内容
本申请实施例提供了一种电子终端，该电子终端将天线的辐射单元设置在壳体的外表面上，扩展了天线的设计空间，并简化了生产工艺，提高了电子终端的质量。
第一方面，提供了一种电子终端，该电子终端包括主板、壳体以及至少一个天线，其中：
每个天线包括辐射单元以及用于给所述辐射单元馈电的天线馈线；
所述壳体的外表面上设有绝缘区，所述绝缘区设有与所述每个天线相对应的第一凹槽，以及与每个第一凹槽层叠且连通的第二凹槽，所述每个天线的辐射单元设置在与该天线相对应的第一凹槽内，所述第二凹槽内设有填充层，所述填充层将所述每个天线的辐射单元覆盖；
所述主板设置在所述壳体内，所述每个天线的天线馈线穿过所述壳体后与所述主板导电连接。
上述实施例中，通过在壳体表面设置第一凹槽来容纳天线的辐射单元，使得天线的设置得以由壳体内转移到壳体外，扩展了天线的设计空间；通过在第二凹槽内喷涂油漆等形成填充层将天线的辐射单元覆盖，省去了现有技术中在天线的辐射单元表面多次喷涂以及手工打磨等复杂的加工程序，简化了生产工艺，降低了生产成本。
结合第一方面，在第一方面的第一种可能的实现方式中，在具体设置天线孔与主板的导电连接时，所述绝缘区上设有与所述每个第一凹槽相连通的天线孔，所述每个天线的天线馈线穿过与该天线对应的天线孔后与所述主板导电连接。
结合第一方面的第一种可能的实现方式，在第二种可能的实现方式中，所述每个天线的天线馈线通过金属弹片与所述主板导电连接，每个金属弹片一端与所述主板焊接连接，另一端抵压在与该金属弹片连接的天线馈线远离辐射单元的一端。
结合第一方面，在第一方面的第三种可能的实现方式中，所述每个天线的辐射单元与相对应的天线馈线为一体结构。
结合第一方面的第三种可能的实现方式，在第四种可能的实现方式中，所述每个天线的辐射单元与相对应的天线馈线为天线银油固化形成的天线结构。在第一凹槽以及相应的天线孔中填充天线银油固化形成天线的方案，工艺简单，可靠性强，避免了激光镭雕化镀天线复杂的加工程序，降低了生产成本，每个天线的辐射单元以及相对应的天线馈线还可以采用其他的导电材料形成一体结构。
结合第一方面，在第一方面的第五种可能的实现方式中，所述第一凹槽为通过镭雕形成的凹槽结构。
结合第一方面，在第一方面的第六种可能的实现方式中，所述绝缘区为所述壳体上由陶瓷材料制作而成的部分。陶瓷材料耐高温，使得当天线银油在高温下固化时绝缘区部分的壳体不易产生变形，或者，绝缘区也可以由其他耐高温的绝缘性材料制作而成。
结合第一方面的第六种可能的实现方式，在第七种可能的实现方式中，所述绝缘区在所述壳体上形成圆环形的凸台，所述每个第一凹槽和所述第二凹槽设于所述凸台上。
结合第一方面的第一种可能的实现方式、第一方面的第二种可能的实现方式、第一方面的第三种可能的实现方式、第一方面的第四种可能的实现方式、第一方面的第五种可能的实现方式、第一方面的第六种可能的实现方式、第一方面的第七种可能的实现方式，在第八种可能的实现方式中，所述第二凹槽在所述壳体表面围成环形、矩形等封闭图形。在设置时，环形或矩形的第二凹槽延长了其在壳体上的设置长度，并为多个第一凹槽的设置提供了空间，使得能够在壳体上容纳多个天线的辐射单元，另外，第二凹槽在壳体上还可以形成沿直线或曲线延伸的非封闭图形。
结合第一方面的第八种可能的实现方式，在第九种可能的实现方式中，当第二凹槽在壳体表面围成环形时，所述第一凹槽在所述壳体表面可以呈齿轮形状、弧形或波浪形等形状。第一凹槽设置在第二凹槽形成的圆周上，且齿轮形状、弧形或波浪形等形状的第一凹槽延长了天线辐射单元的设计长度，进一步完善了天线的功能。
结合第一方面的第九种可能的实现方式，在第十种可能的实现方式中，所述第二凹槽在所述壳体上呈齿轮形状。在设置时，齿轮形的第二凹槽延长了其在壳体上的设置长度，并为多个第一凹槽的设置提供了空间，使得能够在壳体上容纳多个天线的辐射单元。
结合第一方面的第九种可能的实现方式，在第十一种可能的实现方式中，所述电子终端为电子手表，所述电子手表的壳体包括前盖和后盖，所述每个第一凹槽和所述第二凹槽设置在所述前盖的正面，或所述每个第一凹槽和所述第二凹槽设置在所述前盖的侧面。
附图说明
图1为本申请实施例提供的电子终端的局部剖视图；
图1a为图1中电子终端壳体的俯视图；
图2为本申请实施例提供的具有凸台结构的电子终端的局部剖视图；
图2a为图2中电子终端壳体的一种俯视图；
图2b为图2中电子终端壳体的另一种俯视图；
图3为本申请实施例提供的另一种具有凸台结构的电子终端的局部剖视图；
图3a为图3中电子终端壳体的一种俯视图；
图3b为图3中电子终端壳体的另一种俯视图。
具体实施方式
为了扩展电子终端中天线的设计空间，简化电子终端的生产工艺，并降低电子终端的生产成本，本申请实施例提供了一种电子终端，如图1所示，该电子终端主要包括主板10、壳体20以及至少一个天线30，其中，每个天线30包括辐射单元31以及用于给辐射单元31馈电的天线馈线32，并且针对每个天线30，该天线30的辐射单元31设置在壳体20的外表面上，天线馈线32穿过壳体20后与设置在壳体20内的主板10导电连接。
本申请实施例提供的电子终端通过在壳体20的外表面上设置凹槽结构来容纳天线30的辐射单元31，从而将天线30的辐射单元31由壳体20内转移到壳体20上，利用壳体20上的结构特征来满足电子终端中多个天线30对空间的要求，这种天线的设置方式适用于电子手表、手机、平板电脑等电子终端。具体的，该电子终端在壳体20的外表面上设置了绝缘区，并在该绝缘区上开设了与每个天线30对应的第一凹槽21，以及与每个第一凹槽21层叠且连通的第二凹槽22，每个天线30的辐射单元31设置在与该天线30相对应的第一凹槽21内，且在第二凹槽22内设置有填充层40，填充层40将每个天线30的辐射单元31覆盖；应当理解的是，当电子终端包括多个天线30时，与每个天线30相对应的第一凹槽21的长度可以相等或不等，具体可以根据每个天线30的辐射单元31的长度设定与该天线30相对应的第一凹槽21的长度。
具体设置时，第一凹槽21设置在第二凹槽22的底壁上，从电子终端的剖视图来看，如图2所示，第一凹槽21的侧壁与第二凹槽22的侧壁可以上下不重叠，相应的，在电子终端壳体的俯视图中，如图2a、图2b所示，第一凹槽21的两个侧壁介于第二凹槽22的两个侧壁之间；或者，第一凹槽21的侧壁与第二凹槽22的侧壁可以上下不重叠，且第二凹槽22的两个侧壁介于第一凹槽21的两个侧壁之间；或者，如图3所示，第一凹槽21的侧壁与第二凹槽22的侧壁也可以上下重叠，相应的，在电子终端壳体的俯视图中，如图3a所示，第一凹槽21的两个侧壁与第二凹槽22的两个侧壁中的一部分相重合；另外，第一凹槽21和第二凹槽22在壳体20表面可以形成多种形状，在布局上，第一凹槽21、第二凹槽22可以沿直线延伸或曲线延伸，在当第二凹槽22围成圆形、矩形等封闭图形时，第一凹槽21分布在第二凹槽22形成的封闭图形上；在结构上，第一凹槽21、第二凹槽22的两个侧壁可以为平面形状或曲面形状，如图2a所示，第二凹槽22在壳体20表面围成环形，第一凹槽21分布在第二凹槽22形成的圆周上，且第一凹槽21为齿轮形状，或者，如图2b所示，第一凹槽21在壳体20表面为弧形。第一凹槽21在壳体20表面的形状对应天线辐射单元31的形状，在具体设置时，可以根据电子终端的壳体结构、天线30的数量等因素进行综合设置。
为了能对本申请实施例提供的电子终端的结构有更加清楚地认识，下面以具体的实施例进行详细说明。
参考图1、图1a，图1为本实施例提供的电子终端的局部剖视图，图1a为图1中电子终端的壳体俯视图，如图1所示，该电子终端主要包括主板10、壳体20以及至少一个天线30，其中，每个天线30包括辐射单元31以及用于给辐射单元31馈电的天线馈线32，并且针对每个天线，该天线30的辐射单元31设置在壳体20表面的凹槽中。
具体设置时，壳体20表面设有绝缘区，在绝缘区上开设第二凹槽22，并在第二凹槽 22的底壁上开设至少一个第一凹槽21，如图1所示，第一凹槽21的两个侧壁与第二凹槽22的两个侧壁不重叠，第一凹槽21和第二凹槽22在壳体上的形状如图1a所示，其中，第一凹槽21的两个侧壁介于第二凹槽22的两个侧壁之间，且第一凹槽21为齿轮形状，第二凹槽22在壳体20围成环形，从俯视图来看，第二凹槽22为两个半径不等的同心圆之间的区域。继续参考图1a，该电子终端为电子手表，电子手表的壳体20包括前盖和后盖，前盖和后盖形成容纳主板10等组件的腔体，在壳体20的表面设置凹槽以容纳天线30的辐射单元时，每个第一凹槽21和第二凹槽22可以设置在前盖的正面，或者，每个第一凹槽21和第二凹槽22设置在前盖的侧面，其中，前盖的正面指设有表盘的一面，前盖的侧面指前盖上环绕表盘设置的面。图2中第一凹槽21和第二凹槽22设置在前盖的正面，第一凹槽21为齿轮形状，第二凹槽22围绕电子手表的表盘形成环形，并且，在第二凹槽22的圆周上分布有四个长度相等的第一凹槽21a，分别对应四个辐射单元31长度相等的天线30。
为了使凹槽在设置时便于加工定位，绝缘区可以在壳体20上形成凸台24，第一凹槽21和第二凹槽22设置在凸台24上，如图2、图2a所示，图2为本实施例提供的电子终端的局部剖视图，图2a为图2中电子终端的壳体俯视图。如图2所示，第一凹槽21和第二凹槽22设置在凸台24上，第一凹槽21位于第二凹槽22的底壁上，且第一凹槽21的两个侧壁与第二凹槽22的两个侧壁不重叠；第一凹槽21、第二凹槽22、以及凸台24在壳体20表面的形状如图2a所示，其中，凸台24在壳体20上形成环形，第二凹槽22设置在凸台24上并围成环形，从俯视图来看，凸台24以及第二凹槽22都为两个半径不等的同心圆之间的区域，第一凹槽21为齿轮形状，且第一凹槽21的两个侧壁介于第二凹槽22的两个侧壁之间，或者如图2b所示，第一凹槽21为弧形。继续参考图2a，该电子终端为电子手表，凸台24设置在前盖的正面，并且环绕电子手表的表盘设置，或者，凸台24也可以设置在前盖的侧面，其中，凸台24可以由陶瓷材料或塑性材料制作而成，具体的，该电子手表中，凸台24为陶瓷材料制作而成的壳体结构，陶瓷材料的凸台作为壳体20上的装饰件有利于提高电子手表的外观效果；另外，该电子手表中，在第二凹槽22的圆周上分布有三个长度不等的第一凹槽21，分别为第一凹槽21b、第一凹槽21c、第一凹槽21d，对应三个辐射单元31长度不相等的天线30。
在一个具体的实施方式中，第一凹槽21的两个侧壁与第二凹槽22的两个侧壁重叠，如图3所示，则从图3a中电子终端壳体的俯视图来看，第一凹槽21的两个侧壁与第二凹槽22两个侧壁中的一部分重合，其中，第一凹槽21呈齿轮形状，第二凹槽22在壳体20表面围成环形，且第二凹槽22呈齿轮形状，或者，如图3b所示，第一凹槽21的两个侧壁与第二凹槽22两个侧壁中的一部分重合，第一凹槽21呈弧形，第二凹槽22围成环形，且从俯视图来看，第二凹槽22为两个半径不等的同心圆之间的区域，第二凹槽22的圆周上分布有三个长度不等的第一凹槽21，分别为第一凹槽21e、第一凹槽21f、第一凹槽21g，对应三个辐射单元31长度不相等的天线30。
该电子终端壳体20表面的第一凹槽21用于容纳天线30的辐射单元31，第二凹槽22用于设置填充层40，填充层40将每个天线30的辐射单元31覆盖，使得天线30的辐射单元31在外观在不可见，提高了壳体20的外观效果。另外，上述实施例中，电子终端具有圆形的壳体20，将第二凹槽22设置成围绕壳体20中心的环形，一方面延长了壳体20上第二凹槽22的长度，使得可以在第二凹槽22的底壁上设置多个第一凹槽21，为电子终端 的多个天线30提供容纳空间；另一方面使得第二凹槽22内的填充层40在壳体20表面能够形成美观的圆形图案，有利于提高壳体20的外观效果。第一凹槽21设置在第二凹槽22形成的圆周上，第一凹槽21可以设置为齿轮形、弧形或波浪形等曲线形状，曲线形状的第一凹槽21能够有效延长每个天线30的辐射单元31的设计长度。
具体连接时，该电子终端中每个天线30用于给辐射单元31馈电的天线馈线32穿过壳体20后与设置在壳体20内的主板10导电连接，具体的，在壳体20的绝缘区上设有与每个第一凹槽21连通的天线孔23，每个天线30的天线馈线32穿过与该天线30对应的天线孔23后与主板10导电连接，如图1所示，每个天线30的天线馈线32通过金属弹片50与主板10导电连接，每个金属弹片50的一端焊接在主板10上，另一端抵压在与该金属弹片50连接的天线馈线32上远离辐射单元31的一端。天线馈线32将从主板10获得的信号传递给壳体20表面的辐射单元31，由辐射单元31向外界发送电磁波信号，或天线馈线32将从辐射单元31接收的信号传递给电子终端的主板10。
在一个具体的实施例中，如图1所示，每个天线30的辐射单元31与相应的天线馈线32为一体结构，具体的，每个天线30的辐射单元31与相应的天线馈线32为天线银油固化形成，天线银油是一种含有金属银的液体，具有导电性能，并可以在高温下发生固化作用，将天线银油填充到第一凹槽21内，天线银油沿第一凹槽21的侧壁流动，并且注入与该第一凹槽21连通的天线孔23中，天线银油在高温下固化后形成辐射单元31以及天线馈线32，图1中，天线馈线32在形成时，其远离辐射单元31的一端形成片状的连接端，该连接端贴附在壳体20朝向主板10一侧的内壁上，该连接端作为天线30的馈电区域通过金属弹片30与主板10导电连接，应当理解的是，天线30还可以是其它可导电的材料制作而成。上述实施例中，在第一凹槽21以及相应的天线孔23中填充天线银油固化形成天线30的方案，工艺简单，可靠性强，避免了激光镭雕化镀天线复杂的加工程序，降低了生产成本；另外，为了防止壳体20在高温下变形，壳体20上的绝缘区为陶瓷材料或其他耐高温的绝缘性材料制作而成，在一个具体的实施方式中，绝缘区由陶瓷材料制作而成，或整个壳体20都由陶瓷材料制作而成，陶瓷材料不仅具有耐高温、耐腐蚀的特点，使得当第一凹槽21内的天线银油在高温下固化时壳体不易发生变形，陶瓷材料也具有装饰作用，有利于提高了壳体20的外观效果。
在壳体20上设置天线30时，首先，在壳体20的绝缘区上通过镭雕或其他加工工艺形成第二凹槽22；其次，在第二凹槽22的底壁上加工至少一个天线孔23，并通过镭雕工艺在第二凹槽22上形成与每个天线孔23相对应的第一凹槽21，且每个天线孔23和与该天线孔23相对应的第一凹槽21连通；然后，在每个第一凹槽21内填充天线银油，形成天线的辐射单元31以及相应的天线馈线32；最后，在第二凹槽22内设置填充层40，如在第二凹槽22内喷涂油漆等，使填充层40覆盖每个天线的辐射单元31。由上述加工流程可以看出，该电子终端采用在第一凹槽21内填充天线银油固化形成天线30，工艺简单，并且采用在第二凹槽22内直接喷涂油漆以覆盖天线30的方案避免了后期多次喷涂以及手工打磨等步骤，简化了生产工艺，降低了生产成本。
通过上述描述可以看出，该电子终端在壳体20的绝缘区上设有与每个天线30相对应的第一凹槽21，以及与每个第一凹槽21层叠且连通的第二凹槽22，每个天线30的辐射单元31设置在与该天线30相对应的第一凹槽21内，第二凹槽22内设有填充层40，填充层40将每个天线30的辐射单元31覆盖；该电子终端通过将天线30的辐射单元31设置 在壳体20表面的第一凹槽21内，扩展了天线30的设计空间，并通过在第二凹槽22内喷涂油漆等形成填充层40将天线30的辐射单元31覆盖，简化了生产工艺，降低了生产成本。
显然，本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请的范围。这样，倘若本申请实施例的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (12)

  1. 一种电子终端，其特征在于，包括主板、壳体以及至少一个天线，其中：
    每个天线包括辐射单元以及用于给所述辐射单元馈电的天线馈线；
    所述壳体的外表面设有绝缘区，所述绝缘区设有与所述每个天线相对应的第一凹槽，以及与每个第一凹槽层叠且连通的第二凹槽，所述每个天线的辐射单元设置在与该天线相对应的第一凹槽内，所述第二凹槽内设有填充层，所述填充层将所述每个天线的辐射单元覆盖；
    所述主板设置在所述壳体内，所述每个天线的天线馈线穿过所述壳体后与所述主板导电连接。
  2. 如权利要求1所述的电子终端，其特征在于，所述绝缘区上设有与所述每个第一凹槽相连通的天线孔，所述每个天线的天线馈线穿过与该天线对应的天线孔后与所述主板导电连接。
  3. 如权利要求2所述的电子终端，其特征在于，所述每个天线的天线馈线通过金属弹片与所述主板导电连接，每个金属弹片一端与所述主板焊接连接，另一端抵压在与该金属弹片连接的天线馈线上远离辐射单元的一端。
  4. 如权利要求1所述的电子终端，其特征在于，所述每个天线的辐射单元与相对应的天线馈线为一体结构。
  5. 如权利要求4所述的电子终端，其特征在于，所述每个天线的辐射单元与相对应的天线馈线为天线银油固化形成的天线结构。
  6. 如权利要求1所述的电子终端，其特征在于，所述第一凹槽为通过镭雕形成的凹槽结构。
  7. 如权利要求1所述的电子终端，其特征在于，所述绝缘区为所述壳体上由陶瓷材料制作而成的部分。
  8. 如权利要求7所述的电子终端，其特征在于，所述绝缘区在所述壳体形成圆环形的凸台，所述每个第一凹槽和所述第二凹槽设于所述凸台上。
  9. 如权利要求1～8任一项所述的电子终端，其特征在于，所述第二凹槽在所述壳体表面围成环形。
  10. 如权利要求9所述的电子终端，其特征在于，所述第一凹槽在所述壳体表面呈齿轮形状。
  11. 如权利要求10所述的电子终端，其特征在于，所述第二凹槽在所述壳体表面呈齿轮形状。
  12. 如权利要求9所述的电子终端，其特征在于，所述电子终端为电子手表，所述电子手表的壳体包括前盖和后盖，所述每个第一凹槽和所述第二凹槽设置在所述前盖的正面，或所述每个第一凹槽和所述第二凹槽设置在所述前盖的侧面。
PCT/CN2017/078303 2017-01-17 2017-03-27 一种电子终端 WO2018133201A1 (zh)

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