CN109301479A - Intelligent wearable device with antenna structure - Google Patents
Intelligent wearable device with antenna structure Download PDFInfo
- Publication number
- CN109301479A CN109301479A CN201811286952.9A CN201811286952A CN109301479A CN 109301479 A CN109301479 A CN 109301479A CN 201811286952 A CN201811286952 A CN 201811286952A CN 109301479 A CN109301479 A CN 109301479A
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- Prior art keywords
- antenna
- conductive component
- wearable device
- intelligent wearable
- bottom cap
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
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- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R60/00—Constructional details
- G04R60/06—Antennas attached to or integrated in clock or watch bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The invention discloses a kind of intelligent wearable devices with antenna structure, including apparatus casing and conductive component, circuit main board and antenna structure are equipped in the apparatus casing, apparatus casing includes metal center and the insulative bottom cap for being connected to frame bottom in metal, and metal center is equipped at least one breaking joint and metal center is separated into first part and second part.Antenna structure includes the antenna power feeding module connecting with first part and circuit main board and several antenna feed places set on first part, radiator of the first part as antenna.Conductive component is set to insulative bottom cap, and conductive component is connected to wherein an antenna feed place, conductive component and is connected to second part.Intelligent wearable device provided in an embodiment of the present invention, by adding conductive component, ground level needed for antenna can be increased using conductive component, to solve the problems, such as intelligent wearable device antenna is caused when being worn on arm frequency range signal decaying, and then achieve the purpose that promoted antenna low-frequency range signal.
Description
Technical field
The present invention relates to intelligent wearable device technical fields more particularly to a kind of intelligence wearing with antenna structure to set
It is standby.
Background technique
With the development of E-SIM technology, for intelligent wearable device (such as smartwatch, Intelligent bracelet) small in size,
Communication function becomes essential, therefore very high to the performance requirement of antenna.By taking intelligent wearable device is smartwatch as an example, with
Science and technology development, user for smartwatch Miniaturization Design require it is also higher and higher.And smartwatch is to meet its small
When typeization designs, due to the small volume of smartwatch, the area for the circuit board being placed in inside smartwatch also reduces,
So as to cause the curtailment of ground level needed for antenna, seriously affect antenna low-frequency range (frequency is 900Mhz or less frequency range)
Performance.
In addition, the use state of smartwatch is usually the state being worn on user's arm.Since human body is electric conductor,
Therefore, arm is very big to the loss of aerial signal, seriously affects antenna performance when user wears.
Summary of the invention
The embodiment of the invention discloses a kind of intelligent wearable devices with antenna structure, can effectively solve the problem that intelligent wearing
Equipment volume is small and problem of signal attenuation when wearing use state, effectively improves the performance of antenna.
To achieve the goals above, the embodiment of the invention discloses a kind of intelligent wearable device with antenna structure, packets
It includes
Apparatus casing, the apparatus casing is interior to be equipped with circuit main board and antenna structure, and the apparatus casing includes in metal
Frame and the insulative bottom cap for being connected to frame bottom in the metal, the metal center be equipped with an at least breaking joint, it is described at least
The metal center is separated at least two parts, respectively first part and second part by one breaking joint；
The antenna structure includes antenna power feeding module and several antenna feed places, one end of the antenna power feeding module
It is connect with the first part, so that radiator of the first part as antenna, the other end of the antenna power feeding module
It is connect with the circuit main board, several antenna feed places are set to the first part；And
Conductive component, the conductive component are set to the insulative bottom cap, and the conductive component is connected to a wherein day
Line presents place, and the conductive component is connected to the second part.
As an alternative embodiment, in an embodiment of the present invention, antenna tune is additionally provided in the apparatus casing
Humorous module, the circuit main board are equipped with the radio-frequency module connecting with the antenna tuning module, the antenna power feeding module
The other end is connect with the antenna tuning module, to realize the connection of the antenna power feeding module and the circuit main board.
As an alternative embodiment, in an embodiment of the present invention, the antenna feed place includes interval setting
First feedback place and second feedback place, the antenna power feeding module be located at it is described first feedback place and it is described second feedback place it
Between；
First antenna tuning circuit and the second antenna tuning circuit, first feedback place are additionally provided in the apparatus casing
It is connect with the first antenna tuning circuit, second feedback place is connect with second antenna tuning circuit.
As an alternative embodiment, in an embodiment of the present invention, the second part is equipped with several intervals
The grounding point of setting, the conductive component are connected to any grounding point on the second part or in which any several
A grounding point.
As an alternative embodiment, in an embodiment of the present invention, the first function is additionally provided in the apparatus casing
Energy module and the second functional module, first functional module are arranged close to the first part, and second functional module is leaned on
The nearly second part setting.
As an alternative embodiment, in an embodiment of the present invention, the grounding point includes spaced
One grounding point and the second grounding point；
There is the breaking joint between first ground connection and first feedback place, second grounding point is close to described the
There is the breaking joint between two feedback place settings and/or second grounding point and second feedback place, described first connects
Place is arranged close to first feedback place.
As an alternative embodiment, in an embodiment of the present invention, first functional module is in the insulation
Projection on bottom cover is located between the first feedback place and second feedback place, and second functional module is in the insulation
Projection on bottom cover is located between the first feedback place and first grounding point.
As an alternative embodiment, in an embodiment of the present invention, injection molding is in described in the conductive component film
In insulative bottom cap or the conductive component is set to the outer surface that face is worn for contacting human arm of the insulative bottom cap.
As an alternative embodiment, in an embodiment of the present invention, the conductive component includes ground plane, described
Ground plane is parallel to the outer surface of the insulative bottom cap.
As an alternative embodiment, in an embodiment of the present invention, the conductive component is in the insulative bottom cap
The outer surface projected area greater than, equal to the insulative bottom cap the outer surface area 1/10th.
As an alternative embodiment, in an embodiment of the present invention, the outer edge of the conductive component to and its
The outer peripheral distance of the opposite insulative bottom cap is greater than, equal to 2mm.
As an alternative embodiment, in an embodiment of the present invention, the conductive component be thin plate-shaped structure or
Person is annular sheet shape structure.
As an alternative embodiment, in an embodiment of the present invention, insulating materials, institute are filled in the breaking joint
The material for stating conductive component is metal, and the material of the insulative bottom cap is any one in plastic cement, silica gel, ceramics or glass.
Compared with prior art, the embodiment of the present invention has the advantages that
(1) meet the Miniaturization Design requirement of intelligent wearable device.It is provided in an embodiment of the present invention with antenna structure
Intelligent wearable device by setting metal center and is connected to the insulative bottom cap of frame bottom in metal, and sets on frame in a metal
Breaking joint is set, then connect antenna power feeding module with the first part of metal center, so that metal center can be used as the spoke of antenna
Beam, in this way, the texture requirement that intelligent wearable device can not only be made to can satisfy user for metal shell appearance, simultaneously
Since a part of metal shell can be used as the radiator of antenna, without using large scale and heavy weight ceramic paster day
Line meets the Miniaturization Design requirement of intelligent wearable device.
(2) excellent performance of antenna.Intelligent wearable device provided in an embodiment of the present invention with antenna structure, by adding
Conductive component, and conductive component is made to be set to insulative bottom cap, conductive component is then connected to antenna feed place and metal center
Second part so that radiator of the second part of metal center not as antenna, in this way, can be increased using conductive component
Ground level needed for adding antenna, so that the signal for solving intelligent wearable device with causing antenna when being worn on arm frequency range declines
The problem of subtracting, and then achieve the purpose that be promoted antenna in the signal of low-frequency range.
(3) volume of intelligent wearable device is smaller.Intelligence wearing provided in an embodiment of the present invention with antenna structure is set
It is standby, it limits insulative bottom cap and is necessary for insulating materials, while being insulated by the way that conductive component is either sticked using injection molding in film
Bottom cover is parallel to the mode of the bottom surface in user's arm face, so that conductive component can not only realize the ground connection extension as antenna
Face uses, while but also conductive component is not necessarily to occupy the space inside apparatus casing, inside of the reduction to intelligent wearable device
The occupancy in space, so that the volume of intelligent wearable device is smaller, more compact structure.In addition, the conductive component is thin plate-shaped structure
Either annular sheet shape structure, due to its thickness very little, even if the bottom surface of insulative bottom cap is arranged in, will not influence
The comfort that user wears designs more humanized.
(4) Position Design of antenna is reasonable.Intelligent wearable device provided in an embodiment of the present invention with antenna structure is led to
The position that antenna power feeding module is positioned close to the first part of metal center is crossed, and is set in the first part of frame in a metal
Antenna feed place is set, in this way, being not only convenient for the connection of antenna power feeding module and circuit main board, but also is convenient for conductive component and day
Line presents the connection in place and second part, so that the connection of antenna structure is more succinct.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the overall structure figure of intelligent wearable device disclosed by the embodiments of the present invention；
Fig. 2 is the internal structure chart of intelligent wearable device disclosed by the embodiments of the present invention；
Fig. 3 is the internal structure chart of intelligent wearable device disclosed by the embodiments of the present invention (circuit main board is not shown)；
Fig. 4 is a kind of structural schematic diagram that the conductive component is arranged in intelligent wearable device disclosed by the embodiments of the present invention；
Fig. 5 is another structural schematic diagram that the conductive component is arranged in intelligent wearable device disclosed by the embodiments of the present invention；
Fig. 6 is another structural schematic diagram that the conductive component is arranged in intelligent wearable device disclosed by the embodiments of the present invention；
Fig. 7 is the schematic diagram that intelligent wearable device disclosed by the embodiments of the present invention is worn on arm models；
Fig. 8 is that traditional intelligent wearable device disclosed by the embodiments of the present invention is worn on intelligent wearable device of the invention
Passive radiation Effectiveness Comparison figure on arm models.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
In the present invention, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or
Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the present invention and embodiment
Set, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected " shall be understood in a broad sense.For example, it may be solid
Fixed connection, is detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be directly connected, either
It indirectly connected through an intermediary, or is two connections internal between device, element or component.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or component (specifically
Type and construction may it is identical may also be different), be not intended to show or implies meaning showing device, element or component
Relative importance and quantity.Unless otherwise indicated, the meaning of " multiple " is two or more.
The embodiment of the invention discloses a kind of intelligent wearable devices with antenna structure, can effectively solve the problem that intelligent wearing
Equipment volume is small and problem of signal attenuation when wearing use state, effectively improves the performance of antenna.
Intelligent wearable device provided in an embodiment of the present invention is described in detail below with reference to attached drawing.
It is a kind of structural schematic diagram of intelligent wearable device provided in an embodiment of the present invention also referring to Fig. 1 to Fig. 3.
Intelligent wearable device provided in an embodiment of the present invention, including apparatus casing 10, conductive component 20 and watchband 30, the apparatus casing
Circuit main board 11 and antenna structure are equipped in 10, the apparatus casing 10 is including metal center and is connected to frame bottom in metal
Insulative bottom cap 10b, the metal center be equipped at least one breaking joint 101, at least one breaking joint by metal center be separated into
Few two parts, respectively first part 102 and second part 103.The antenna structure includes antenna power feeding module 12a and several
The one end in antenna feed place, antenna power feeding module 12a is connect with first part 102, so that the first part 102 can be used as day
The radiator of line.The other end of antenna power feeding module 12a is connect with circuit main board 11, several antenna feed places be set to this
A part 102.The conductive component 20 is set to insulative bottom cap 10b, which is connected to a wherein antenna feed place, this is led
Electrical components 20 are connected to the second part 103.The watchband 30 is connected to the both ends of apparatus casing 10.
It should learn, since the apparatus casing 10 includes the metal center and insulative bottom cap 10b, should
The inside of metal center substantially forms the space that can be used for accommodating the circuit main board 11 and antenna structure, that is,
It says, in fact, the circuit main board 11 and antenna structure are arranged inside frame in a metal.
In the present embodiment, which is smartwatch, since the overall volume of smartwatch is small and uses
State is wearing state, therefore, is also solved while can meeting the Miniaturization Design of smartwatch using the solution of the present invention
When smartwatch is worn on arm, influence of the arm to the aerial signal of smartwatch effectively ensures the antenna of smartwatch
Performance.
Further, since the intelligent wearable device is therefore smartwatch is additionally provided with and circuit main board 11 in the apparatus casing
Connection and the battery 110 for being used to power to circuit main board 11, the battery 110 are set to 11 top of circuit main board.
In the present embodiment, the material of the metal center can be the metal materials such as aluminium alloy, magnesium alloy or stainless steel, not only
Have good conductive property, and it is light, metal-like is strong, can satisfy user for the appearance tactile impression of intelligent wearable device
It is required that.Specifically, which preferably uses the material of aluminium alloy, and the metal center is the square frame of upper and lower opening,
Upper opening mainly realizes capping by display screen 100, and its underpart opening then by insulative bottom cap 10b connected to it come
Realize capping.The signal of antenna is influenced in order to prevent, while the conductive component that insulative bottom cap 10b is arranged in 20 is become
The ground connection elongated surfaces of antenna, therefore, insulative bottom cap 10b need to be using in isolation materials, such as glass, plastic cement, silica gel or ceramics
Any one.Preferably, insulative bottom cap 10b of the invention selects plastic cement material so that smartwatch have the effect of it is light,
Heat-insulated effect can be also played simultaneously, electronic component fever and scald use when preventing user from wearing inside apparatus casing 10
Family.
Further, the breaking joint quantity on the metal center can be designed according to actual antennas design requirement, as long as can expire
Metal center can be separated into above-mentioned first part 102 and second part 103 by a foot at least breaking joint, so that first part
102 can be used as the radiator of antenna, and second part 103 is then not as the radiator of antenna.Preferably, gold of the invention
Belonging to the breaking joint 101 on center can be three, which is separated into the first part 102, second part for metal center
103 and Part III 104.As shown in Figures 2 to 4, the breaking joint 101 be respectively the first breaking joint 101a, the second breaking joint 101b and
Third breaking joint 101c, the metal center between the first breaking joint 101a and the second breaking joint 101b are first part 102, the second breaking joint
Metal center between 101b and third breaking joint 101c is second part 103, between third breaking joint 101c and the first breaking joint 101a
Metal center be Part III 104.Wherein, it is arranged due to antenna power feeding module 12a close to first part 102, and antenna feed
Place is arranged in first part 102, and therefore, the area that first part 102 accounts for metal center is greater than second part 103 and accounts in metal
The area of frame, and the area that second part 103 and Part III 104 account for metal center is then approximately equal.In addition, as in Fig. 3
Paper direction, first part 102 be include the side and the part of one end of metal center, and second part 103 then includes
The other side of metal center, Part III 104 then include the other end of metal center.It is understood that in other realities
Apply in example, more breaking joints can also be set on frame in a metal certainly, for example, the breaking joint can also for four, five it is more a plurality of etc..
Further, it in order to ensure the overall appearance decorative effect of apparatus casing 10, should be filled in the breaking joint 101 absolutely
Edge material, fill insulant can fill up the breaking joint 101, while also can avoid first part 102, second part 103 and the
It is connected between three parts 104.
In the present embodiment, in order to realize the connection of antenna power feeding module 12a Yu circuit main board 11, in apparatus casing 10
It is additionally provided with antenna tuning module 13, the radio-frequency module 11a connecting with antenna tuning module 13, the day are equipped on circuit main board 11
The other end of line power feeding module 12a is connect with antenna tuning module 13, to realize antenna power feeding module 12a and circuit main board 11
Connection, so that the radiofrequency signal of radio-frequency module 11a can be transmitted in first part 102 by antenna power feeding module 12a.
Specifically, antenna tuning module 13 is arranged close to antenna power feeding module 12a setting, and antenna tuning module 13 is arranged in circuit
Between mainboard 11 and antenna power feeding module 12a, in order to the connection of antenna tuning module 13 and radio-frequency module 11a, and then it is convenient for
With the connection of circuit main board 11.
In the present embodiment, which is arranged in first part 102.Specifically, which can
It is two, respectively spaced first feedback place 12b and the second feedback place 12c, the first feedback place 12b is close to the first breaking joint
101a setting, the second feedback place 12c is arranged close to the second breaking joint 101b, and antenna power feeding module 12a is then arranged in the first feedback
Between the feedback of place 12b and second place 12c, and it is arranged closer to the first feedback place 12b.This setup is primarily to just
In the connection of subsequent conductive component 20 and antenna feed place, so that the connection of 10 internal antenna of apparatus casing is more reasonable.
Further, first antenna tuning circuit 141 and the second antenna tuning circuit 142 are additionally provided in apparatus casing 10,
First feedback place 12b is connect with first antenna tuning circuit 141, and the second feedback place 12c and the second antenna tuning circuit 142 connect
It connects, to control the coupling of the first part 102 as antenna radiator.Utilize the first antenna tuning circuit 141 and first
The signal of medium-high frequency section (substantially 1710~2690Mhz) can be received and dispatched by dividing 102 coupling, and utilize the second antenna tuning circuit
142 can receive and dispatch the signal of low-frequency range (substantially 700~960Mhz) with the coupling of first part 102.In this way, utilizing first
Point 102 radiator as antenna can not only realize that antenna in the transmitting-receiving of the signal of medium-high frequency section, while can also meet antenna and exist
The transmitting-receiving of low-band signal effectively improves the signal performance of the low-frequency range of antenna.
In conjunction with shown in Fig. 2 to Fig. 3, in the present embodiment, settable several spaced ground connection on second part 103
Point, the conductive component 20 are connected to wherein any one grounding point or in which any several grounding points on the second part 103.
Specifically, which can be two, respectively spaced first grounding point 103a and the second grounding point 103b.First connects
There is the breaking joint, and the second grounding point 103b is set close to the second feedback place 12c between the feedback of place 103a and first place 12b
It sets；Or second grounding point 103b and second feedback place 12c between have the breaking joint, the first grounding point 103a close to this second
Present place 12c setting.
Preferably due to breaking joint of the invention be three, therefore, the first grounding point 103a with first present place 12b it
Between breaking joint be the first breaking joint 101a and third breaking joint 101c, and it is same between the feedback of the second grounding point 103b and second place 12c
With breaking joint, which is the second breaking joint 101b, also, the feedback of the second grounding point 103b and second place 12c is relatively close to this
Second breaking joint 101b setting, therefore, the second grounding point 103b is close to the second feedback place 12c setting.
It should learn, the position of the first grounding point 103a and the second grounding point 103b are interchangeable, the first feedback place 12b
It is also interchangeable with the position of the second feedback place 12c.
In the present embodiment, the first functional module 151 and the second functional module 152 are additionally provided in the apparatus casing 10, the
One functional module 151 is arranged close to first part 102, and the second functional module 152 is arranged close to second part 103.Specifically,
One functional module 151 can be camera module, the second functional module 152 can for loudspeaker and.
Further, the position for reasonable arrangement camera module in apparatus casing 10 does not influence camera module simultaneously
It finds a view, be imaged, which is preferably provided at the position close to one end of apparatus casing 10, that is, the camera module is insulating
Projection on bottom cover 10b can substantially be located between the first feedback place 12b and the second feedback place 12c, and close to the second feedback place
12c setting.
Similarly, if second functional module 152 is loudspeaker, go out acoustic aperture, the loudspeaker for the ease of arrangement loudspeaker
The projection on insulative bottom cap 10b can be between the first grounding point 103a and the second grounding point 103b, that is, the loudspeaker leans on
The nearly second part 103 setting.
Further, it is additionally provided with third functional module 153 in the apparatus body 10, which can be
Microphone, and for the ease of the pickup hole of the microphone is arranged, signal is made a sound in order to which user is directed at pickup hole, then the wheat
Gram wind can be located between the first feedback place 12b and the first feedback place 12b in the projection on insulative bottom cap 10b, then at this point, third
Functional module 153 is arranged close to Part III 104.
Different location by different function module close to metal center is arranged, and can be conducive to the reasonable Arrangement different function mould
Position of the block inside apparatus casing 10, so that the space utilization of apparatus casing 10 is more rationally effective.
In conjunction with shown in Fig. 4 to Fig. 7, in the present embodiment, which can pass through the first connector 21 and the first feedback
Place 12b connection conducting, and the conductive component 20 can also be by the second connector 22 and third connector 23 respectively with first
Grounding point 103a and the second grounding point 103b connection conducting, to realize the connection of the conductive component 20 and second part 103.Its
In, it should be noted that conductive component 20 is not connect with the second feedback place 12c, and conductive component 20 and the first feedback place 12b
When connection conducting, the Horizon of circuit main board 11 should be connected directly to first feedback place 12b first antenna tuning circuit 141 connecting
Face, in this way, the ground connection elongate member that conductive component 20 can be made to can be used as antenna uses.And the conductive component 20 is passing through
When second connector 22 and third connector 23 connect conducting with the first grounding point 103a and the second grounding point 103b respectively, it can appoint
One is selected to be connected.That is, in fact, conductive component 20 can by the second connector 22 connect be conducted to the first grounding point 103a,
Can be connected by third connector 23 and be conducted to the second grounding point 103b, certainly, can also simultaneously with the first grounding point 103a and the
Two grounding point 103b conducting, so that the second part 103 can be used not as the radiator of antenna, so that second
Divide 103 radiation for being not involved in antenna structure, that is, the ground that the second part 103 can be used as antenna uses, and further increases antenna
Feedback ground area.Preferably, first connector 21, the second connector 22 and third connector 23 can be elastic slice, conductive bubble
Cotton etc..
Further, which can be sheet metal, may be, for example, copper sheet, aluminum alloy sheet or magnesium alloy
Piece.The conductive component 20 can be molded in insulative bottom cap 10b by way of being molded in film, may also be arranged on insulative bottom cap 10b
For contact human arm wear face outer surface.According to the mode being molded in film, then insulative bottom cap 10b can be modeling
Glue is molded sheet metal in insulative bottom cap 10b internal membrane in injection molding, so that the sheet metal can form the conductive component
20.And if the outer surface for wearing face for contacting human arm of insulative bottom cap 10b, the conduction is arranged in the conductive component 20
Component 20 can be pasted onto the outer surface of insulative bottom cap 10b by way of stickup.However, being above-mentioned any mode, all answer
It is considerable to be, the conductive component 20 and therefore inside for being not disposed on apparatus casing 10 will not occupy the interior of apparatus casing 10
Portion space, while human arm can be weakened using conductive component 20 again and wear the influence for facing antenna.
No matter in addition, the conductive component 20 is still to be set up directly on insulation by being molded in film in insulative bottom cap 10b
The outer surface of bottom cover 10b, should all make as far as possible conductive component 20 apart from arm face more recently, further to promote antenna
Performance.If conductive component 20 is distant apart from arm face, between missile component and arm face
Coupling is deteriorated, to be unfavorable for the promotion of antenna performance.
Specifically, insulative bottom cap 10b includes wearing the outer surface in face and towards metal center for contacting human arm
The inner surface of setting, the interior injection molding of 20 film of conductive component is when insulative bottom cap 10b, the distance of the conductive component 20 to inner surface
More than or equal to the distance of conductive component 20 to outer surface.When preferably, using being molded in film, which should be as far as possible
Close to the outer surface of insulative bottom cap 10b, that is, conductive component 20 is closer to the arm face of user, then the performance of antenna mentions
Ascending effect is then better.This is because wearing only when conductive component 20 is close to the arm face of user with the arm of user
Coupling could be formed by wearing between face, and if conductive component 20 apart from arm face farther out, if such as conductive component 20 be located at
Inside apparatus casing 10, that is, when being located in metal center, then it may cause it with arm face farther out, therefore, be then unfavorable for
The performance boost of antenna.
Further, which can be solid thin plate-shaped structure either annular sheet shape structure, for example, should
Conductive component 20 can be the thin plate-shaped structure of rectangular, round, oval, triangle, trapezoidal etc., equally can also be annulus, side
The annular sheets shape structure such as ring, elliptical ring, three square rings (as shown in Figures 4 to 6).And the thickness of the conductive component 20 is smaller, answers
It is approximately equal to 1st/1st to five/10th of insulative bottom cap 10b, therefore, which does not increase the insulative bottom cap
The thickness of 10b, so that the thickness of 10 entirety of apparatus casing can satisfy the lightening requirement of user.
In the present embodiment, which includes ground plane, the ground plane be parallel to the insulative bottom cap 10b's and hand
The outer surface of arm wearing face contact, that is, if user wears the smartwatch, the ground plane of the conductive component 20 is parallel to use
The arm face at family, in this way, for the antenna inside smartwatch, can be equivalent to insulative bottom cap 10b and arm it
Between increase the elongated surfaces of a ground connection and reduce arm to the shadow of the signal of the low-frequency range of antenna to increase the performance of antenna
It rings, achievees the purpose that be promoted antenna in the signal of low-frequency range (700~960Mhz).
Further, which, which is greater than or equal to, is somebody's turn to do
/ 10th of the area of the outer surface of insulative bottom cap 10b, that is to say, that the area of the conductive component 20 do not answer it is excessive, with true
A certain distance should be had by protecting between conductive component 20 and first part 102, to promote the performance of antenna.It is to be noted that
The area of the conductive component 20 is also unsuitable too small, and if too small, for antenna, the conductive component 20 is as ground connection elongated surfaces
It is ineffective.Preferably, which is substantially equal to the insulation
/ 10th of the area of the outer surface of bottom cover 10b, at this point, the performance boost effect for antenna is optimal.It is understood that
Projected area of the conductive component 20 in the outer surface of insulative bottom cap 10b can also be approximately equal to the outer surface of insulative bottom cap 10b
Area 1/8th, 1/7th, 1/6th, 1/5th, a quarter, one third etc..
Further, the outer edge of the conductive component 20 to insulative bottom cap 10b corresponding thereto outer peripheral distance L
More than or equal to 2mm.Specifically, as shown in figure 4, being square sheet with conductive component 20, the outer surface of insulative bottom cap 10b
For squarish, the center of the conductive component 20 is conllinear with the center of outer surface of insulative bottom cap 10b, the conductive component
20 outer edge in the direction of the width is big to the distance between the outer edge of width direction of outer surface of insulative bottom cap 10b L
In or be equal to 2mm, the length direction of the outer edge of conductive component 20 in the longitudinal direction to the outer surface of insulative bottom cap 10b
The distance between outer edge L also should be greater than or be equal to 2mm.In this way, can either guarantee that conductive component 20 can increase connecing for antenna
Ground level, while it is also possible that there is a certain distance between conductive component 20 and first part 102.If conductive component 20 with
The distance between first part 102 is too short, then be easy to cause interference, so that the performance of antenna cannot not only be promoted, instead also
It may decline.Therefore, for the present invention, outside the outer surface of the conductive component 20 to insulative bottom cap 10b corresponding thereto
The distance on surface should be greater than or be equal to 2mm.
Preferably, the outer peripheral distance L of the outer edge of the conductive component 20 to insulative bottom cap 10b corresponding thereto are
2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm etc..
It is understood that width of the outer edge of conductive component 20 in the direction of the width to the outer surface of insulative bottom cap
Outside on the outer edge to the length direction of insulative bottom cap of the outer peripheral distance in direction and conductive component in the longitudinal direction
The distance of edge can be equal or differs, if it is desired to be equidistant, then the center of conductive component and the center of insulative bottom cap weight
Conjunction.
Referring to Figure 7 together and Fig. 8, Fig. 7 are the figure simulating intelligent wearable device of the invention and being worn on user's arm.
The material for the arm models 200 that the present invention uses is lossy to electromagnetic wave for silicone resin and carbon group compound.According to CTIA skill
The record of art specification, arm models 200 include dielectric constant to the influence index of electromagnetic wave, and dielectric constant is related with frequency,
Dielectric constant is bigger, then it is bigger to the decaying of aerial signal, and therefore, the arm models 200 that the present invention selects believe antenna
Number the true arm approximation of attenuation coefficient and human body it is equivalent.As shown in figure 8, having square dot on solid line in Fig. 8 is the present invention
Smartwatch increase conductive component 20 design passive radiation efficacy curve, the solid line of Fig. 8 is then traditional no increase
The passive radiation efficacy curve of the design of conductive component 20.As can be seen from Figure 8, using invention increases conductive components 20
Scheme the ground plane of antenna is increased, therefore, in antenna since conductive component 20 can be used as the ground connection elongated surfaces of antenna
The radiation efficiency of low-frequency range (860~960Mhz) have a more apparent difference, that is to say, that use side of the invention
Case, the decaying to antenna in the signal of low-frequency range (860~960Mhz) reduce, and effectively increase antenna in the property of low-frequency range
Energy.
Intelligent wearable device provided in an embodiment of the present invention with antenna structure, by adding conductive component, and makes
Conductive component passes through the connection of conductive component and grounding point and second part as close to arm face, so as to
So that the ground connection elongate member that conductive component can be used as antenna uses, so that it is small in size to solve intelligent wearable device, circuit board
Ground level it is insufficient and intelligent wearable device is worn on the performance degradation problem caused by antenna on user's arm.Using this hair
Bright scheme, antenna can be promoted effectively in the signal of low-frequency range.
A kind of intelligent wearable device with antenna structure disclosed by the embodiments of the present invention is described in detail above,
Used herein a specific example illustrates the principle and implementation of the invention, and the explanation of above embodiments is only used
In the core concept for helping to understand a kind of intelligent wearable device of the invention and its intelligent terminal；Meanwhile for the one of this field
As technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the contents of this specification are not to be construed as limiting the invention.
Claims (13)
1. a kind of intelligent wearable device with antenna structure, which is characterized in that including
Apparatus casing, is equipped with circuit main board and antenna structure in the apparatus casing, the apparatus casing include metal center with
And it is connected to the insulative bottom cap of frame bottom in the metal, the metal center is equipped with an at least breaking joint, and described at least one is disconnected
The metal center is separated at least two parts, respectively first part and second part by seam；
The antenna structure includes antenna power feeding module and several antenna feed places, one end of the antenna power feeding module and institute
First part's connection is stated, so that radiator of the first part as antenna, the other end of the antenna power feeding module and institute
Circuit main board connection is stated, several antenna feed places are set to the first part；And the intelligent wearable device further includes
Conductive component, the conductive component are set to the insulative bottom cap, and the conductive component is connected to a wherein antenna feed
Place, the conductive component are connected to the second part.
2. intelligent wearable device according to claim 1, which is characterized in that be additionally provided with antenna tuning in the apparatus casing
Module, the circuit main board are equipped with the radio-frequency module that connect with the antenna tuning module, the antenna power feeding module it is another
One end is connect with the antenna tuning module, to realize the connection of the antenna power feeding module and the circuit main board.
3. intelligent wearable device according to claim 1, which is characterized in that the antenna feed place includes spaced
First feedback place and second feedback place, the antenna power feeding module be located at it is described first feedback place and it is described second feedback place it
Between；
First antenna tuning circuit and the second antenna tuning circuit, the first feedback place and institute are additionally provided in the apparatus casing
The connection of first antenna tuning circuit is stated, second feedback place is connect with second antenna tuning circuit.
4. intelligent wearable device according to claim 3, which is characterized in that the second part is equipped with several intervals and sets
The grounding point set, the conductive component are connected to any grounding point on the second part or in which any several
Grounding point.
5. intelligent wearable device according to claim 4, which is characterized in that be additionally provided with the first function in the apparatus casing
Module and the second functional module, first functional module are arranged close to the first part, and second functional module is close
The second part setting.
6. intelligent wearable device according to claim 5, which is characterized in that the grounding point includes spaced first
Grounding point and the second grounding point；
There is the breaking joint between first grounding point and first feedback place, second grounding point is close to described second
Presenting has the breaking joint between place setting and/or second grounding point and second feedback place, first ground connection
Point is close to first feedback place setting.
7. intelligent wearable device according to claim 6, which is characterized in that first functional module is at the insulation bottom
The projection covered is located between the first feedback place and second feedback place, and second functional module is at the insulation bottom
The projection covered is located between the first feedback place and first grounding point.
8. intelligent wearable device according to any one of claims 1 to 7, which is characterized in that note in the conductive component film
It moulds in the insulative bottom cap or what the conductive component was set to the insulative bottom cap wears face for contacting human arm
Outer surface.
9. intelligent wearable device according to claim 8, which is characterized in that the conductive component includes ground plane, described
Ground plane is parallel to the outer surface of the insulative bottom cap.
10. intelligent wearable device according to claim 8, which is characterized in that the conductive component is in the insulative bottom cap
The outer surface projected area greater than, equal to the insulative bottom cap the outer surface area 1/10th.
11. intelligent wearable device according to claim 10, which is characterized in that the outer edge of the conductive component to and its
The outer peripheral distance of the opposite insulative bottom cap is greater than, equal to 2mm.
12. intelligent wearable device according to claim 8, which is characterized in that the conductive component be thin plate-shaped structure or
Person is annular sheet shape structure.
13. intelligent wearable device according to any one of claims 1 to 7, which is characterized in that filled with exhausted in the breaking joint
Edge material, the material of the conductive component are metal, and the material of the insulative bottom cap is in plastic cement, silica gel, ceramics or glass
Any one.
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|---|---|---|---|
| CN201811286952.9A CN109301479B (en) | 2018-10-31 | 2018-10-31 | Intelligent wearable device with antenna structure |
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|---|---|---|---|
| CN201811286952.9A CN109301479B (en) | 2018-10-31 | 2018-10-31 | Intelligent wearable device with antenna structure |
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|---|---|
| CN109301479B (en) | 2023-12-22 |
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