CN106099321B - Metal smartwatch and its full frequency band tuned antenna - Google Patents

Abstract

The present invention discloses a kind of full frequency band tuned antenna comprising the first radiator, the second radiator and ground structure；It is mutually separated between first radiator and the second radiator with dielectric；The ground structure extends from second radiator and part is bordered around the dielectric with first radiator；Feeding network is equipped at second radiator, first radiator tunes feeding network described in system access by link.A kind of smartwatch is also disclosed comprising main part and the wearing portion extended from the main part, further include foregoing full frequency band tuned antenna.Smartwatch and its full frequency band tuned antenna of the invention can satisfy the requirement of call and online, allow metal wrist-watch call terminal to be possibly realized, and antenna performance also greatly improves.

Description

Metal smartwatch and its full frequency band tuned antenna

Technical field

The present invention relates to computer fields, specifically, the present invention relates to a kind of metal smartwatch and its full frequency band tune Humorous antenna.

Background technique

In the prior art, mobile communication terminal, tablet personal computer, portable computer and Vehicular navigation system etc. Electronic device is integrated with various utility programs or embedded program to realize a variety of different specific functions, as these electronics fill Set it is integrated further increase, the storage equipment of high capacity application and high-speed radiocommunication generally used, The integrated level of these electronic devices will further improve.

The antenna of mobile communication terminal usually requires to meet the following conditions: (1) antenna width is as big as possible, but its height It is small as best one can；(2) antenna will be maintained a certain distance with other metal objects, more remoter better, also, cover the shell of antenna It cannot be made using metal material, the surface coating of shell can not contain metal component, otherwise keep biggish with antenna Distance, this requirement i.e. so-called " Clearance Requirement of antenna "；(3) sky is filled between feeding point and grounding point as much as possible Gas, supporter between the two should also lack as much as possible；(4) it avoids that the position that can generate other frequency range electromagnetic waves is arranged in；(5) The middle position that circuit board is set is avoided, the interference of other circuit elements or other components to radiated wave is avoided, influences to communicate Effect；(6) fixed form of antenna is reliable, reduces or lose reliability after avoiding repeated disassembled and assembled.

Representative of the smartwatch as the mobile communication terminal of miniaturization, has the integrated level of electronic device in it higher Requirement, the especially design of antenna.Smartwatch includes main part and wearing portion, and existing smartwatch is usually by day The main part of line is built in main part, and is covered using the table (bottom) that nonmetallic materials manufacture, to meet wanting for above-mentioned (2) It asks, even if the main radiating element of antenna is arranged in except the main part of wrist-watch, can only also meet WiFi/BT 2.45GHz With the requirement of GPS 1.575GHz, 2G/3G call function can not achieve, it is even more impossible to the network of high speed is carried out using 3G/4G network Communication, is unable to satisfy the requirement of the utility function to miniature movable type communication terminal now.

Summary of the invention

Primary and foremost purpose of the invention aims to solve at least one of above-mentioned technological deficiency, provides a kind of full frequency band tuned antenna.

Secondary objective of the invention aims to solve at least one of above-mentioned technological deficiency, provides a kind of application full frequency band tune The metal smartwatch of humorous antenna.

To reach the above technical purpose, The technical solution adopted by the invention is as follows:

Firstly, providing a kind of full frequency band tuned antenna comprising the first radiator, the second radiator and ground structure；Institute It states and is mutually separated between the first radiator and the second radiator with dielectric；The ground structure extends from second radiator Out and part is bordered around the dielectric with first radiator；Feed is equipped at second radiator Network, first radiator tune feeding network described in system access by link.

Specifically, first radiator is equipped with feeding point, and the feeding point passes through the feedback across the dielectric Electric line is connect with link tuning system.

Preferably, boundary of the feeding point far from first radiator and ground structure.

Selectively, the dielectric be one of air dielectric, plastic medium, ceramic dielectric, Rubber Media or It is a variety of.

Further, the link tuning system includes multiple series connection and resonant element in parallel.

Further, link tuning system further includes multiple the resonant element selectively being accessed the link tune The selection of humorous system switchs.

Specifically, each resonant element includes inductance and capacitor, parallel with one another between the inductance and capacitor or string Connection.

Preferably, the link tuning system and feeding network are printed on circuit boards.

Secondly, providing a kind of smartwatch comprising main part and the wearing portion extended from the main part, also Including foregoing full frequency band tuned antenna.

Specifically, the main part includes bezel, cluster, covers and close on the surface of the bezel, cluster end face and setting inside the bezel, cluster Printed circuit board assembly；The bezel, cluster is equipped with the seam filled by insulating materials, from the centre of the printed circuit board assembly Part extends to the insulation tank of the seam along the direction setting perpendicular to the wearing portion；The full frequency band tuned antenna First radiator and the second radiator are separately positioned on the two sides of the insulation tank, the ground structure and second radiator The same side of the insulation tank is set；The feeding network and link tuning system are contained in and are limited by the bezel, cluster and surface Fixed table is intracavitary.

Preferably, the feeding point of first radiator is located at the junction that the insulation tank intersects with seam.

Selectively, second radiator is arranged in the mainboard for being printed with the feeding network and link tuning system Below or above.

Selectively, the insulation tank is filled with dielectric, and the dielectric is air dielectric, plastic medium, pottery One of ceramic dielectric, Rubber Media are a variety of.

Further, the wearing portion includes the first wearing item connecting respectively with the bezel, cluster and the second wearing item.

Further, the first wearing item and the second wearing item are electrically connected with the bezel, cluster respectively.

Preferably, the bezel, cluster, the first wearing item and the second wearing item are made of metal material respectively.

Further, the printed circuit board assembly and the bezel, cluster are electrically connected.

It is highly preferred that the printed circuit board assembly is connected to close to the endface of the bezel, cluster.

Above scheme proposed by the present invention will not influence the compatibility of system, Er Qieshi to the change very little of existing system It is now simple, efficient.

Compared with prior art, the present invention has the advantage that

(1) full frequency band tuned antenna of the invention, structure is simple, and electric property is superior, the electricity suitable for a variety of miniaturizations In sub-device, especially smartwatch；

(2) full frequency band tuned antenna of the invention has been attached to link tuning system, and link tuning system composition letter Single, tuning is easy, and by tuning, which may be implemented all frequency ranges that domestic business telecommunication is used: 2/3/4G network 824- 960MHz, 1710-2690MHz；GPS1575.42±1.023MHz；WIFI 2412—2472MHz；

(3) full frequency band tuned antenna of the invention also can be improved the antenna performance of each demand frequency range by tuning, and improve The practicability of the antenna；

(4) metal smartwatch of the invention uses the full frequency band tuned antenna, which is expired Foot converses and the performance of online, using existing 2G/3G/4G even the 5G network in future；

(5) metal smartwatch of the invention, the position for separating the first radiator and the second radiator insulation tank can be with The diametrical position in printed circuit board assembly can be set in flexible setting, can also close to any wearing item, therefore described first The flexibility of radiator and the second radiator in design is bigger；

(6) metal smartwatch of the invention, the position of the insulation tank can also according to wrist-watch body portion thereof its He is adjusted the stacking situation of electronic component, keeps the design of smartwatch more flexible, more diversified；

(7) metal smartwatch of the invention is reduced the limitation of the manufacture material of main part, especially for table ear Without limitation in manufacture material, the full metal jacket of more fashion can be designed that, meet current esthetic requirement.

The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description Obviously, or practice through the invention is recognized.

Detailed description of the invention

Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, in which:

Fig. 1 is the structural schematic diagram of full frequency band tuned antenna of the present invention.

Fig. 2 is that the link of full frequency band tuned antenna of the invention tunes the topological structure schematic diagram of system.

Fig. 3 is the first knot of return loss characteristic of the full frequency band tuned antenna of link tuning system optimization through the invention Fruit figure.

Fig. 4 is the second knot of return loss characteristic of the full frequency band tuned antenna of link tuning system optimization through the invention Fruit figure.

Fig. 5 is the schematic perspective view of metal smartwatch of the present invention.

Fig. 6 is the inside schematic perspective view of metal smartwatch of the present invention, shows structure and the surface of insulation tank Current distributions.

Fig. 7 is the electrical structure schematic diagram of metal smartwatch of the invention.

Fig. 8 is the antenna performance result figure obtained by adjusting the width of smartwatch insulation tank of the invention.

Fig. 9 is the antenna performance result figure obtained by adjusting the length of smartwatch insulation tank of the invention.

Figure 10 is the electrical structure schematic diagram of metal smartwatch second embodiment of the invention.

Figure 11 is the structural schematic diagram of metal smartwatch 3rd embodiment of the invention.

Figure 12 is the structural schematic diagram of metal smartwatch fourth embodiment of the invention.

Specific embodiment

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.

Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or wirelessly coupling.It is used herein to arrange Diction "and/or" includes one or more associated wholes for listing item or any cell and all combinations.

Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art The consistent meaning of meaning, and unless idealization or meaning too formal otherwise will not be used by specific definitions as here To explain.

With reference to Fig. 1, full frequency band tuned antenna 1 of the invention includes the first radiator 11, the second radiator 12, ground structure 13, dielectric 14, link tuning system 15 and feeding network 16.

Wherein, first radiator 11 is respectively equipped with feeding point 111 and grounding point 112, which passes through The feeding point 111 connects with the feeding network 16 to realize feed, first radiator 11 by the grounding point 112 with The first interface 131 of the ground structure 13 is connected to be grounded.

Second radiator 12 is respectively equipped with feeding point 121 and grounding point 122, which passes through the feedback Electricity point 121 connects with the feeding network 16 to realize that feed, second radiator 12 are connect by the grounding point 122 with described The third interface 133 of ground structure is connected to be grounded.

Routinely, the needs of feeding network 16 are connect with the ground structure 13 to be grounded, specifically, the feedback Electric network 16 is connected in the second interface 132 of the ground structure 13.

It is mutually separated between first radiator 11 and the second radiator 12 with dielectric 14, the dielectric 14 can To be one of air dielectric, plastic medium, ceramic dielectric, Rubber Media or a variety of.Further, the ground structure 13 Extend from second radiator 12, and part is bordered around the dielectric 14 with first radiator 11, The ground structure 13 is bordered simultaneously with the first radiator 11 and the second radiator 12 to be grounded as a result, the ground connection 11 boundary of structure 13 and the first radiator, that is, first interface 131 (or grounding point 112), the ground structure 13 with it is described Second radiator, 12 boundary, that is, third interface 133 (or grounding point 122).The ground structure 13, the first radiator 11 It generallys use the metal material with radiation characteristic with the second radiator 12 to be made, therefore when this three parts is using same or similar Metal material can be integrally formed when being made or part is integrally formed, at this point, the dielectric 14 is by the three parts half It surrounds wherein, the structure for the full frequency band tuned antenna 1 being consequently formed realizes miniaturization and densification.

The link tuning system 15 and feeding network 16 are typically printed on circuit board, and are disposed adjacent to described second The position of radiator 12.When first radiator 11 needs to tune system 15 or feed by feeder line 17 and the link When network 16 connects, the feeder line 17 needs with the feeding point 111 to be starting point, penetrates through the dielectric 14 and reaches Link position on the circuit board.Preferably, the feeding point 111 needs the ground connection as far as possible far from first radiator 11 Point 112, in order to avoid interference is generated between two structures.

With reference to Fig. 2, the link tuning system 15 is connected to the use between first radiator 11 and feeding network 16 It is optimized in the performance to the full frequency band tuned antenna 1, and the full frequency band tuned antenna 1 is finally made to realize full frequency band Communication.The link tuning system 15 includes primary path and multiple resonant elements, and the resonant element includes and the primary path The concatenated resonant element 151a and resonant element 151b in parallel with the primary path, wherein the resonant element 151b of the parallel connection One end ground connection.For the flexible combination convenient for the resonant element 151a and resonant element 151b, it is convenient for the resonant element 151a The primary path, which is accessed, with resonant element 151b alternative meets actual tuning demand, all or part of resonance to realize Unit 151a and resonant element 151b respectively further comprises selection switch 152a and selection switch 152b.

Specifically, the selection switch 152a is in parallel with the resonant element 151a, and the selection switch 152a is preferably single The switch of single-pole single-throw type.When the selection switch 152a is in open-circuit condition, the access where selection switch 152a is in Off state inputs the signal of the primary path along the tunnel where the resonant element 151a, and signal is passing through Corresponding adjustment can occur after resonant element 151a because of the tunning effect of resonant element 151a, wanted with meeting communication It asks；When some selection switch 152a is connected, the straight pathway parallel with the resonant element 151a is formed, inputs institute The signal for stating primary path will directly pass through the straight pathway, and the resonant element 151a does not have signal to pass through, the resonant element 151a will not work, and be equivalent in primary path the resonant element 151a that do not connect.

The selection switch 152b connects with the resonant element 151b, the preferred single-pole double-throw type of the selection switch 152b Switch, the selection switch mono- output end of 152b are connected to the resonant element 151b, and another output is connected to primary path. When the selection switch 152b is connected with the resonant element 151b, input the primary path signal will branch to it is described humorous Shake unit 151b, and the signal can should be the tunning effect hair of resonant element 151b after by resonant element 151b Raw corresponding adjustment, to meet communication requirement；When some described selection switch 152b is connected to primary path, the output master The signal of access, which will not be split to the resonant element 151b, the resonant element 151b, does not have signal to pass through, the resonance list First 151b will not work, and be equivalent in primary path without parallel connection resonant element 151b.

Further, the resonant element includes the inductance and capacitor of serial or parallel connection, specifically, inductance and capacitor series connection Series resonant circuit is constituted, inductance and capacitor parallel connection constitute antiresonant circuit, and series resonant circuit and antiresonant circuit are all It can be used as the resonant element and participate in link tuning.Selectively, the resonant element 151a may include multiple series resonances Circuit and/or antiresonant circuit, the resonant element 151b also may include multiple series resonant circuits and/or parallel resonance Circuit, the circuit design between above each series resonant circuit or antiresonant circuit may be the same or different.

Link tuning 15 one side of system can be connected and institute in parallel by presetting on primary path as a result, The number of resonant element is stated to realize tuning, on the other hand can also be switched by the selection come according to practical tuning needs come The number and type for adjusting the resonant element of the series connection and parallel connection that are finally connected with primary path further tune to realize, The implementation that the link tunes system 15 is versatile and flexible, and those skilled in the art can rationally be adjusted according to communication requirement It is whole.

According to above-mentioned described structure, the working principle of the full frequency band tuned antenna 1 specifically: first radiation Body 11, which is coupled as main radiator with second radiator 12, generates high-frequency resonant, and power end tunes system by the link 15, which are connected to the feeding point 111, returns to ground structure 13 by the grounding point 112 again to be formed into a loop, and thus generates Low-frequency resonant.The effect of high-frequency resonant caused by the full frequency band tuned antenna 1 and the effect of low-frequency resonant can be by the chains Road tuning system 14 optimizes adjustment.

Specifically, with reference to Fig. 3 and Fig. 4, when the full frequency band tuned antenna 1 is respectively at low frequency state and high frequency state, There is good return loss characteristic (see Fig. 3) in wider frequency range, and show the full range from experimental data verifying Section tuned antenna 1 has good efficiency in corresponding frequency band.In the present embodiment, under low frequency state, the link tunes system 15 include and the concatenated 1.5pF capacitor of primary path and the 4.7nH inductance in parallel with primary path；Under high frequency state, the link tune Humorous system 15 includes and the concatenated 6.8nH inductance of primary path.Further, which optimizes and revises to covering When frequency range corresponding to GPS and WiFi, good return loss characteristic (see Fig. 4) is also shown, shows that the full frequency band tunes day GPS and WiFi communication may be implemented in line 1.In the present embodiment, under the conditions of GPS, the link tuning system 15 includes leading to main The 0.5pF capacitor of road parallel connection and with the concatenated 27nH inductance of primary path；Under the conditions of WiFi, the link tuning system 15 includes With the concatenated 6.8nH inductance of primary path and the 1.2pF capacitor in parallel with primary path.

The full frequency band tuned antenna 1 can satisfy the communications band demand of domestic 2G, 3G, i.e. 824-2170MHz as a result, It even can satisfy part LTE communication frequency range, and realize that communication is also accessible in GPS and WiFi frequency range.

The full frequency band tuned antenna 1 is preferably adapted for applying on smartwatch, below by taking smartwatch as an example, to described The structure and function of full frequency band tuned antenna 1 are further described.

With reference to Fig. 5, smartwatch 2 of the invention includes main part 21 and the wearing portion from the main part 21 extension 22, each component of the full frequency band tuned antenna 1 is nested or is fused to the main part 21 and wearing portion of the smart antenna 2 In 22.

Specifically, four table ears 214, lid that the main part 21 includes bezel, cluster 211, is attached at 211 edge of bezel, cluster It closes and is closed in the cover 212 of 211 bottom surface of bezel, cluster and setting inside the bezel, cluster 211 in the surface 213 of 211 end face of bezel, cluster, lid Printed circuit board assembly (PCBA) 215, the bezel, cluster 211, surface 213 and cover 212 collectively define a table chamber and (do not mark Show).

With reference to Fig. 7, the bezel, cluster 211 has annular sidewall, requires the ring according to the design of the smartwatch 2 Shape structure can be annular shape, be also possible to the rectangular ring with fillet.The side wall of the bezel, cluster 211 is equipped with by insulation material Expect the seam 2111 of filling, axis direction of the seam 2111 preferably along the bezel, cluster 211 open up, the seam 2111 it is also preferred that The two sides of the smartwatch 2 are provided with, i.e., the described wearing portion 22 and the position other than 211 link position of bezel, cluster；It is described exhausted Edge material can be at least one of plastics, ceramics, rubber, but uncomfortable is preferably air, fills the seam 2111 with air The leakproofness of the table chamber of the smartwatch 2 is influenced, and then influences the stability of the performance of the smartwatch 2.

The internal diameter of the diameter of the PCBA 215 and the bezel, cluster 211 is close, connects the PCBA 215 as far as possible with bezel, cluster 211 Touching is electrically connected with realizing.Further, the middle section of the PCBA 215 is along the direction perpendicular to the wearing portion 22 The insulation tank 2151 for extending to the seam 2111 is set, and the insulation tank 2151 is by the way that nothing is arranged on the PCBA 215 The region of electrical component is to realize, namely exposes the insulating base of the PCBA 215.The insulation tank 2151 is connected with seam 2111 It connects to form radial separated region, the bezel, cluster 211 and PCBA 215 is formed by insulation system and are divided into top half The lower half portion and.

The wearing portion 22 includes the first wearing being connect respectively by four table ears 214 with the bezel, cluster 211 Item 221 and the second wearing item 222, wherein the first wearing item 221 passes through bezel, cluster 211 described in table ear 214 described in one pair of them Lower half portion connection, the top half that the second wearing item 222 passes through table ear 214 and the bezel, cluster 211 described in another pair Connection；One end that the first wearing item 221 and the second wearing item 222 are not connect with the bezel, cluster 211 is each other by routine Hasp carry out detachable connection, to form the ring structure for weared on wrist.

With reference to Fig. 7, the dielectric 14 of the full frequency band tuned antenna 1 is equivalent to the seam 2111 and insulation tank 2151 Insulation system made of being connected, first radiator 11 and the second radiator 12 are separately positioned on the two of the dielectric 14 Side.

When setting the lower section of the dielectric 14 as first radiator 11, first radiator 11 includes institute State the lower half portion of bezel, cluster 211 and PCBA 215, the first wearing item 221 and connect with the first wearing item 221 wherein one To table ear 214, also, the above structure is electrically connected；It accordingly, is described close to the upper section of the dielectric 14 Second radiator 12, the ground structure 13 include the bezel, cluster 211 to link together with second radiator 12 and The top half of PCBA 215, the second wearing item 222 and another pair table ear 214 being connect with the second wearing item 222, it is described Second radiator 12 and ground structure 13 are also electrically connected.

Herein it should be further noted that " electric connection " described above is interpreted as connecing completely from physique It touches, gap is not present between two components to contact with each other.

Further, since there is no the upper halves that the PCBA 215 is divided into mutually insulated for the dielectric 14 Point and lower half portion, the top half and lower half portion be connected together far from the position of the seam 2111, the connection The boundary of place as first radiator 11 and ground structure 13, that is, the grounding point 112 of first radiator 11, It is also the first interface 131 of the ground structure 13.

Further, the feeding point 111 of first radiator 11 is arranged far from the position of the first interface 131 It sets, is preferably provided at the junction of the seam 2111 and the intersection of insulation tank 2151, that is, the inner sidewall along the bezel, cluster 211 Setting.The link tuning system 15 and feeding network 16 are printed on circuit board (not shown) and are contained in the table chamber It is interior, it is preferably provided at the below or above of second radiator 12.First radiator 11 is described exhausted by passing through as a result, The feeder line 17 of edge medium 14 is attached with link tuning system 15.

First radiator, 11 one side is connect with the feeding network 16 electric current is supplied, on the other hand with it is described Ground structure 13 is shorted, it is thus achieved that inverse F type antenna (IFA) structure, is advantageously implemented small size antenna.

Consider from the manufacture material of the smartwatch 2, since first radiator 11 and the second radiator 12 are set Set in the intracavitary portion of the table, and between the two with dielectric 14 separation, thus from the smartwatch 2 in appearance from the point of view of, In addition to the position of the seam 2111 is a small amount of non-metallic member, the bezel, cluster 211, table ear 214 and wearing portion 22 can be by Metal material is made, to improve the electric property of the smartwatch 2, also for promoted its structural reliability, also for improve its The aesthetics and stylishness of appearance.But the Clearance requirement of the antenna of mobile communication terminal as known to those skilled in the art, because The cover of this smartwatch 2 will avoid being made of metal material.

With reference to Fig. 8 and Fig. 9, since coupling generates high-frequency resonant between first radiator 11 and the second radiator 12, Coupling amount between first radiator 11 and the second radiator 12 is adjusted in addition to that can tune system 14 by the link Except section, the adjusting of the physical distance between first radiator 11 and the second radiator 12 also may be implemented to tune, that is, pass through The width of the dielectric 14 and the width and length of length namely the insulation tank 2151 are rationally designed, height may be implemented The adjustment of frequency resonance and bandwidth.As shown in figure 8, adjustable frequency range can by adjusting the width of the insulation tank 2151 With from 1.7GHz to 2.8GHz；As shown in figure 9, adjustable frequency range can by adjusting the length of the insulation tank 2151 With from 1.7GHz to 2.8GHz.

Referring again to FIGS. 6, the galvanic areas on surface will be with the bezel, cluster 211 if the smartwatch 2 is designed using metal On seam 2111 centered on be distributed, when the PCBA 215 is positioned close to the edge of 211 end face of bezel, cluster, The heavy current region of the surface current of the smartwatch 2 is close to the end face of the bezel, cluster 211, the separate table with human contact On the one hand lid 214 can be improved the comfort level of the smartwatch 2 wearing, manpower avoided to receive the influence of heavy current, on the other hand The radiance of the full frequency band tuned antenna 1 can be influenced to avoid manpower, reduce radiation loss.

With reference to Figure 10, when setting the top of the dielectric 14 as first radiator 11, first radiation Body 11 includes the top half of the bezel, cluster 211 and PCBA 215, the second wearing item 222 and connects with the second wearing item 222 The one pair of them table ear 214 connect, the above structure is still electrically connected；Accordingly, close to the lower section of the dielectric 14 Part is second radiator 12, and the ground structure 13 includes the table to link together with second radiator 12 The lower half portion of frame 211 and PCBA 215, the first wearing item 221 and another pair table ear being connect with the first wearing item 221 214, second radiator 12 and ground structure 13 are also electrically connected.The link tuning system 15 and feeding network 16 The below or above of second radiator 12 is still set, and first radiator 11 and ground structure 13 connect as a result, Position is constant at earth, but direction and embodiment shown in Fig. 7 are stretched in the edge of the feeding point 111 of the first radiator 11 and feeder line 17 On the contrary.

More preferably, the position of the seam 2111 and insulation tank 2151 can be according to the stacking need of other intracavitary components of table It asks to carry out appropriate adjustment.Specifically, as described above (see Figure 10), the insulation tank 2151 on the PCBA 215 is along perpendicular to institute The direction for stating wearing portion 22 extends to the bezel, cluster 211, which passes through the central point of the PCBA 215, and edge should " equator " of PCBA 215 is arranged, the seam 2111 to open up position corresponding with the insulation tank 2151, it is resulting The PCBA 215 and bezel, cluster 211 are divided into the identical top half of area and lower half portion by the dielectric 14.It is another Kind embodiment, as shown in figure 11, the dielectric 14 can be translated to the direction of the first wearing item 221, be made on described The area of half part is greater than the area of lower half portion；Alternatively, as shown in figure 12, the dielectric 14 can be worn to described second The direction translation for wearing item 222, makes the area of the top half be less than the area of lower half portion.Further, as described above, institute State that the first radiator 11 is set at the top half or lower half portion is also to determine according to the radiance of the smartwatch 2 It is fixed.

Those skilled in the art of the present technique are appreciated that " terminal " used herein above, " terminal device " both include wireless communication The equipment of number receiver, only has the equipment of the wireless signal receiver of non-emissive ability, and including receiving and emitting hardware Equipment, have on bidirectional communication link, can execute two-way communication reception and emit hardware equipment.This equipment It may include: honeycomb or other communication equipments, shown with single line display or multi-line display or without multi-line The honeycomb of device or other communication equipments；PCS (Personal Communications Service, PCS Personal Communications System), can With combine voice, data processing, fax and/or communication ability；PDA (Personal Digital Assistant, it is personal Digital assistants), it may include radio frequency receiver, pager, the Internet/intranet access, web browser, notepad, day It goes through and/or GPS (Global Positioning System, global positioning system) receiver；Conventional laptop and/or palm Type computer or other equipment, have and/or the conventional laptop including radio frequency receiver and/or palmtop computer or its His equipment." terminal " used herein above, " terminal device " can be it is portable, can transport, be mounted on the vehicles (aviation, Sea-freight and/or land) in, or be suitable for and/or be configured in local runtime, and/or with distribution form, operate in the earth And/or any other position operation in space." terminal " used herein above, " terminal device " can also be communication terminal, on Network termination, music/video playback terminal, such as can be PDA, MID (Mobile Internet Device, mobile Internet Equipment) and/or mobile phone with music/video playing function, it is also possible to the equipment such as smart television, set-top box.

The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (17)

1. a kind of full frequency band tuned antenna, it is characterised in that: it includes the first radiator, the second radiator and ground structure；Institute It states and is mutually separated between the first radiator and the second radiator with dielectric；The ground structure extends from second radiator Out and part is bordered around the dielectric with first radiator；Feed is equipped at second radiator Network, second radiator connect with the feeding network, and first radiator is tuned described in system access by link Feeding network, first radiator are equipped with feeding point, and the feeding point passes through the feeder line across the dielectric It is connect with link tuning system.

2. full frequency band tuned antenna as described in claim 1, it is characterised in that: the feeding point is far from first radiator With the boundary of ground structure.

3. full frequency band tuned antenna as described in claim 1, it is characterised in that: the dielectric is air dielectric, plastics One of medium, ceramic dielectric, Rubber Media are a variety of.

4. full frequency band tuned antenna as described in claim 1, it is characterised in that: the link tuning system includes multiple series connection With resonant element in parallel.

5. full frequency band tuned antenna as claimed in claim 4, it is characterised in that: the link tuning system further includes multiple incites somebody to action The resonant element selectively accesses the selection switch of link tuning system.

6. full frequency band tuned antenna as claimed in claim 4, it is characterised in that: each resonant element includes inductance and electricity Hold, parallel with one another between the inductance and capacitor or series connection.

7. full frequency band tuned antenna as described in claim 1, it is characterised in that: the link tuning system and feeding network print System is on circuit boards.

8. a kind of smartwatch comprising main part and the wearing portion extended from the main part, it is characterised in that: also Including the full frequency band tuned antenna as described in claim 1~7 any one.

9. smartwatch as claimed in claim 8, it is characterised in that: the main part includes bezel, cluster, lid conjunction in the bezel, cluster The surface of end face and the printed circuit board assembly being arranged in inside the bezel, cluster；The bezel, cluster is equipped with and is connect by what insulating materials was filled Seam extends to the seam from the middle section of the printed circuit board assembly along the direction setting perpendicular to the wearing portion Insulation tank；The first radiator and the second radiator of the full frequency band tuned antenna are separately positioned on the two of the insulation tank The same side of the insulation tank is arranged in side, the ground structure and second radiator；The feeding network and link tune It is intracavitary that humorous system is contained in the table as defined by the bezel, cluster and surface.

10. smartwatch as claimed in claim 9, it is characterised in that: the feeding point of first radiator is located at described exhausted The junction that edge slot intersects with seam.

11. smartwatch as claimed in claim 10, it is characterised in that: be printed with the feeding network and link tuning system Mainboard the below or above of second radiator is set.

12. smartwatch as claimed in claim 9, it is characterised in that: the insulation tank is filled with dielectric, the insulation Medium is one of air dielectric, plastic medium, ceramic dielectric, Rubber Media or a variety of.

13. smartwatch as claimed in claim 9, it is characterised in that: the wearing portion includes connecting respectively with the bezel, cluster The the first wearing item and the second wearing item connect.

14. smartwatch as claimed in claim 13, it is characterised in that: it is described first wearing item and second wearing item respectively with The bezel, cluster is electrically connected.

15. smartwatch as claimed in claim 14, it is characterised in that: the bezel, cluster, the first wearing item and the second wearing item It is made of metal material respectively.

16. smartwatch as claimed in claim 9, it is characterised in that: the printed circuit board assembly and the bezel, cluster are electrical Connection.

17. smartwatch as claimed in claim 16, it is characterised in that: the printed circuit board assembly is connected to close to described The endface of bezel, cluster.