CN108288754A - Antenna module and terminal device - Google Patents
Antenna module and terminal device Download PDFInfo
- Publication number
- CN108288754A CN108288754A CN201711023806.2A CN201711023806A CN108288754A CN 108288754 A CN108288754 A CN 108288754A CN 201711023806 A CN201711023806 A CN 201711023806A CN 108288754 A CN108288754 A CN 108288754A
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- Prior art keywords
- radiator
- signal
- ground structure
- antenna module
- field communication
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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Abstract
Antenna module and terminal device provided by the invention,Including ground structure,Near-field communication chip,First radiator and the second radiator,The signal wire of near-field communication chip includes concatenated first signal wire and second signal line,First signal wire,First radiator,Ground structure,Second radiator and second signal collectively constitute circuit,When near-field communication chip is when being worked,First signal wire,First radiator,Ground structure,The circuit that second radiator and second signal are enclosed carries out the transmission of near-field communication signal,At this time,Part in first radiator and the second radiator access circuit is used as near field communication antenna,In this way for the relevant technologies,The access section of near field communication antenna shows elongated clearly,So that radiation scope is wider,It is effectively improved the readwrite performance of near-field communication signal,Improve the near-field communication laser propagation effect of terminal device,And then improve the duration competitiveness of product.
Description
Technical field
The present invention relates to fields of communication technology, more specifically, are related to a kind of antenna module and a kind of terminal device.
Background technology
Currently, on the terminal device by NFC (the short distance wireless communication technology) to realize that near-field communication becomes increasingly
Demand of more users when selecting terminal device, and there is LTE (long term evolution)), WIFI (Wireless Fidelity), GPS
After the terminal device of the communication systems such as (global positioning system), bluetooth, then NFC is set can have there are two types of common set-up mode：
One, upper metal strip is divided into two parts by firing point, by longer part in metal strip on antenna duplexer on NFC antenna and LTE,
And GPS/WIFI antennas then use longer part in upper metal strip, but it is shorter to have NFC antenna radiator in this way, inductance
Measure small, read-write card performance is poor；Two, upper metal strip is earth-free, and both ends are respectively connected to the difference feed side of NFC, entire metal strip
As the radiation body antenna of NFC, NFC antenna is set in this way and is increased, but isolation between antenna on GPS/WIFI antennas and LTE
It is poor, influence GPS/WIFI antennas and antenna performance on LTE.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, it is an advantage of the invention to provide a kind of antenna modules.
It is an advantage of the invention to provide a kind of terminal devices.
To achieve the above object, a kind of antenna module is provided according to an embodiment of the invention, is used for terminal device, antenna
Component includes：Ground structure；The signal wire of near-field communication chip, near-field communication chip includes concatenated first signal wire and second
Signal wire；First radiator is connected with the first end of ground structure, and the first signal wire is connected with the first radiator；Second
Radiator is connected with the second end of ground structure, and second signal line is connected with the second radiator；Wherein, the first signal wire,
First radiator, ground structure, the second radiator and second signal form circuit.
Antenna module provided by the invention includes ground structure, near-field communication chip, the first radiator and the second radiator,
The signal wire of near-field communication chip includes concatenated first signal wire and second signal line, the first end of ground structure and the first spoke
Beam is connected, and the second end of ground structure is connected with the second radiator, and in the first radiator and the second radiator
It is connected respectively with the first signal wire and second signal line on one end far from ground structure so that the first signal wire, the first spoke
Beam, ground structure, the second radiator and second signal collectively constitute circuit, when near-field communication chip is when being worked,
The circuit that one signal wire, the first radiator, ground structure, the second radiator and second signal are enclosed carries out near-field communication letter
Number transmission, at this point, the part in the first radiator and the second radiator access circuit is used as near field communication antenna into enforcement
With in this way for the relevant technologies, the access section of near field communication antenna shows elongated clearly so that radiation scope is wider, has
The readwrite performance for improving to effect near-field communication signal, improves the near-field communication laser propagation effect of terminal device, in addition, first
Radiator and the second radiator carry out the access length long enough in use, near-field communication aerial as near field communication antenna,
Therefore isolating points can be set on the first radiator and the second radiator by each frequency on the first radiator and/or the second radiator
The antenna that section uses is isolated, and ensures the antenna of each function.It is contemplated that, near-field communication chip can be NFC chip,
The near-field communication chips such as wireless charging chip.
Preferably, the first radiator can be arranged in the top of the rear cover of terminal device, and the second radiator is arranged at end
The lower section of the rear cover of end equipment, when near-field communication signal is formed into a loop, the area coverage in the circuit being enclosed can be use up can
Can it is big, ensure that the inductance value formed in the circuit is big.In addition, the first radiator and the second radiator are separately positioned on
Above and below the rear cover of terminal device so that the first radiator and the second radiator form near-field communication day in access circuit
Can be distributed in above and below terminal device when line, this ensure that user using terminal equipment carry out near-field communication when,
The upper and lower ends of its terminal device can receive and dispatch near-field communication signal, and the use occasion of effective widened user is incited somebody to action in user
Terminal device can also receive and dispatch near-field communication signal when instead taking.
In addition, also there is following additional technical feature according to the antenna module that the above embodiment of the present invention provides：
In any of the above-described technical solution, it is preferable that antenna module further includes：First decoupling device, setting is in the first letter
On number line；And the second decoupling device, it is arranged on second signal line.
In the technical scheme, antenna module further includes the first decoupling device and the second decoupling device, by the first decoupler
Part is arranged on the first signal wire so that when the first signal wire is attached between the first radiator, ensures the first decoupling
Device can effectively eliminate the parasitic couplings between circuit, avoid interference of the near-field communication signal to other frequency range function antennas, together
When also avoid other function antennas influence near-field communication signal performance；Second decoupling device is arranged on second signal line,
When so that second signal line being attached between the second radiator, between ensureing that the second decoupling device can effectively eliminate circuit
Parasitic couplings, avoid near-field communication signal to the interference of other frequency range function antennas, avoid near-field communication signal to other frequency
The interference of Duan Gongneng antennas, while also avoiding the performance of other function antennas influence near-field communication signal.
In any of the above-described technical solution, it is preferable that antenna module further includes：First tie point, the setting of the first tie point
Between the first radiator and ground structure, the first radiator is connected by the first tie point with ground structure；And second connection
Point, the second tie point are arranged between the second radiator and ground structure, and the second tie point is by the second radiator and ground structure
It is connected.
In the technical scheme, antenna module further includes the first tie point and the second tie point, and the first tie point is arranged
Between the first radiator and ground structure, and the first radiator is connected by the first tie point with ground structure, second
Tie point is arranged between the second radiator and ground structure, and makes the second tie point that the second radiator to be connected with ground structure
It connects, ensures that the first tie point can effectively eliminate the parasitic couplings between circuit；And first tie point and the second tie point set respectively
Set on the both ends of ground structure, ensure the first tie point and the second tie point can be linked into the first signal wire, the first radiator,
Between ground structure, the second radiator and second signal composition circuit.
It is contemplated that, the first tie point and the second tie point be realize by the first radiator and the second radiator respectively with
It is attached and is isolated between ground structure, the first tie point and the second tie point can be set to muscle position, metal clips, soft
Property circuit board, decoupling circuit or decoupling electric appliance, can realize the first radiator and the second radiator respectively between ground structure
Connection be isolated；Meanwhile for the ease of the first connection of setting between the first radiator and the second radiator and ground structure
First radiator, the first tie point and ground structure, can be disposed as integral structure, the second spoke by point and the second tie point
Beam, the second tie point and ground structure are disposed as integral structure, on the one hand can simplify in this way to the first tie point and the
Two tie point setting steps；On the other hand it is effective to ensure that the first tie point and the second tie point can be to the first radiator and the
Two radiators are effectively isolated.
In any of the above-described technical solution, it is preferable that the first signal wire is metallic signal lines；And/or second signal line is
Metallic signal lines.
In the technical scheme, the first signal wire and second signal line be could be provided as into metallic signal lines, in the first spoke
When the distance between beam and the second radiator are longer, the first signal wire and second signal line need that longer length ability is arranged
It is connected to the first radiator and the second radiator, therefore, in order to ensure that signal transmission effect is preferable during connection, therefore
It newly sets the first signal wire and second signal to metallic signal lines, ensures effective transmission between electric signal.
In any of the above-described technical solution, it is preferable that the first signal wire is connected with the end of the first radiator, and second
Signal wire is connected with the end of the second radiator.
In the technical scheme, the first signal wire is set as being connected with the end of the first radiator, and by second
Signal wire is set as being connected with the end of the second radiator, can ensure accessing the first radiator and the second radiator in this way
When, the length that the first radiator and the second radiator are linked into circuit can be big as far as possible so that the first radiator and second
It is as much as possible by as near field communication antenna to radiate physical efficiency, the radiation body length as much as possible for increasing near field communication antenna,
Promote the communication effect of near field communication antenna.
In any of the above-described technical solution, it is preferable that antenna module further includes：Two communication signal ports, respectively with
One radiator and the second radiator are connected；GPS/WiFi signal ports, GPS/WiFi signal ports are connected with the first radiator
It connects；Wherein, the first radiator is divided into full frequency band region and medium-high frequency section region, communication signal port and full range by the first tie point
Section region is connected, and GPS/WiFi signal ports are connected with medium-high frequency section region.
In the technical scheme, antenna module further includes two communication signal ports and GPS/WiFi signal ports, two
Communication signal port is connected with the first radiator and the second radiator respectively so that the first radiator and the second radiator are having
When data are accessed in communication signal port, the LTE antenna of communication can be used as, while the first radiator can be used as antenna on LTE, second
Radiator can be used as antenna under LTE, ensure that the communication function of terminal device is normal；In addition antenna module further includes GPS/WiFi
Signal port, will
GPS/WiFi signal ports are connected with the first radiator, using the first radiator as GPS/WiFi antennas, ensure
The transmission-receiving function of GPS/WiFi antennas is normal；Simultaneously as the first radiator is divided into full frequency band region in by the first tie point
High band region, communication signal port are connected with full frequency band region, and GPS/WiFi signal ports are connected with medium-high frequency section region
It connects so that isolation is preferable between communication signal and GPS/WiFi signals, will not be sent out between communication signal and GPS/WiFi signals
Life influences each other, and to be only LTE communications share the second radiator with near-field communication, and the second tie point can be arranged the at this time
On the one end of two radiators far from second signal line, ensure that second signal line is linked by as much as possible in circuit.
Further, it is contemplated that, in order to enhance GPS/WiFi signals, the quantity of GPS/WiFi signal ports can be arranged
It is two, second GPS/WiFi signal port is connected with the medium-high frequency section region of the second radiator, and the second radiator
The separation in full frequency band region and medium-high frequency section region is realized by the second tie point so that the second radiator could act as GPS/
WiFi antennas and LTE antenna.
In any of the above-described technical solution, it is preferable that the first decoupling device and the second decoupling device are inductance.
In the technical scheme, the first decoupling device and the second decoupling device are set to inductance, by adjusting inductance value,
So that in the first signal wire, the first radiator, ground structure, the second radiator and second signal form circuit, inductance value energy
Increase as far as possible, and then improves the effect of near-field communication.
In any of the above-described technical solution, it is preferable that ground structure is arranged on the mainboard of terminal；Or ground structure is gold
Belong to plate, ground structure is arranged to be covered after terminal device.
In the technical scheme, the mainboard in terminal can be arranged in ground structure, so that the ground phase of ground structure and mainboard
Connection, at this point it is possible to the material of the rear cover of terminal device is not limited, such as the rear cover of terminal device can be plastics or ceramics etc.
Non-metallic material also can realize technical scheme of the present invention.
In addition it is also possible to set ground structure to metallic plate, and set ground structure to the rear cover with terminal device
It is an integral structure, in this way when the rear cover of terminal device is metal back cover, the metallic plate of ground structure can be used as terminal and set
Standby rear cover, in this way in the terminal device of all-metal rear cover, the near-field communication that is made of the first radiator and the second radiator
Antenna can be communicated effectively；And the first decoupling device and second are provided between the first radiator and the second radiator
Decoupling device can effectively ensure when setting ground structure to metallic plate, metallic plate and the first radiator and the second spoke
Windowed regions can also be formed between beam, ensure that enough inductance values can be generated in near-field communication.
According to the second aspect of the invention, the present invention provides a kind of terminal devices, have any implementation of first aspect
The antenna module that example provides, therefore, the terminal device that the embodiment of the present invention provides are provided with first aspect any embodiment
Antenna module whole advantageous effects, it is numerous to list herein.
In any of the above-described technical solution, it is preferable that terminal device further includes metal back cover, the ground structure of antenna module
It is arranged in metal back cover.
In the technical scheme, terminal setting further includes metal back cover, and the setting of the ground structure of antenna module is existed
In metal back cover so that antenna module is grounded by metal back cover, is avoided to be separately provided again in antenna module and is connect
The technical solution of ground structure, reduces the cost of antenna module, and then improves the competitiveness of product in market.
Additional aspect and advantage according to the present invention will provide in following description section, partly will be from following description
In become apparent, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 shows a schematic diagram of the antenna module that one embodiment of the present of invention provides；
Fig. 2 shows the another schematic diagrames for the antenna module that one embodiment of the present of invention provides；
Fig. 3 shows the another schematic diagram for the antenna module that one embodiment of the present of invention provides.
Wherein, the correspondence in Fig. 1 to Fig. 3 between reference numeral and component names is：
10 ground structures, 12 near-field communication chips, 14 first radiators, 16 second radiators, 18 first signal wires, 20
Binary signal line, 22 first decoupling devices, 24 second decoupling devices, 26 first tie points, 28 second tie points.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
By using other, different from implementing in a manner of described here, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
The antenna module provided according to one embodiment of present invention is described referring to Fig. 1 to Fig. 3.
As shown in figures 1 and 3, a kind of antenna module is provided according to an embodiment of the invention, is used for terminal device, antenna
Component includes：Ground structure 10；The signal wire of near-field communication chip 12, near-field communication chip 12 includes concatenated first signal wire
18 and second signal line 20；First radiator 14, is connected with the first end of ground structure 10, the first signal wire 18 and the first spoke
Beam 14 is connected；Second radiator 16, is connected with the second end of ground structure 10, second signal line 20 and the second radiator
16 are connected；Wherein, the first signal wire 18, the first radiator 14, ground structure 10, the second radiator 16 and second signal line 20
Form circuit.
Antenna module provided by the invention includes ground structure 10, near-field communication chip 12, the first radiator 14 and second
The signal wire of radiator 16, near-field communication chip 12 includes concatenated first signal wire 18 and second signal line 20, ground structure
10 first end is connected with the first radiator 14, and the second end of ground structure 10 is connected with the second radiator 16, and
Believe respectively with the first signal wire 18 and second on the first radiator 14 and second one end of radiator 16 far from ground structure 10
Number line 20 is connected so that the first signal wire 18, the first radiator 14, ground structure 10, the second radiator 16 and second signal
Circuit is collectively constituted, when near-field communication chip 12 is when being worked, the first signal wire 18, the first radiator 14, ground structure
10, the circuit that the second radiator 16 and second signal are enclosed carries out the transmission of near-field communication signal, at this point, the first radiator
14 and second radiator 16 access circuit in part used as near field communication antenna, in this way relative to the relevant technologies
For, the access section of near field communication antenna shows elongated clearly so that radiation scope is wider, is effectively improved near-field communication signal
Readwrite performance, the near-field communication laser propagation effect of terminal device is improved, in addition, making in the first radiator and the second radiator
The access length long enough in use, near-field communication aerial is carried out near field communication antenna, therefore can be in the first radiator and the
Isolating points are arranged on two radiators the antenna that each frequency range on the first radiator and/or the second radiator uses is isolated,
Ensure the antenna of each function.It is contemplated that, near-field communication chip 12 can be the near fields such as NFC chip, wireless charging chip
Communication chip 12.
Preferably, the first radiator 14 can be arranged in the top of the rear cover of terminal device, and the setting of the second radiator 16 exists
In the lower section of the rear cover of terminal device, when near-field communication signal is formed into a loop, the area coverage meeting in the circuit being enclosed
It is big as far as possible, ensure that the inductance value formed in the circuit is big.In addition, the first radiator 14 and the second radiator 16 are distinguished
It is arranged above and below the rear cover of terminal device so that the first radiator 14 and the second radiator 16 are in access circuit shape
It can be distributed in above and below terminal device at when near field communication antenna, this ensure that user carries out in using terminal equipment
When near-field communication, the upper and lower ends of terminal device can receive and dispatch near-field communication signal, and effective widened user's uses field
It closes, near-field communication signal can be also received and dispatched when user instead takes terminal device.
In any of the above-described technical solution, it is preferable that antenna module further includes：First decoupling device 22 is arranged first
On signal wire 18；And the second decoupling device 24, it is arranged on second signal line 20.
In the technical scheme, antenna module further includes the first decoupling device 22 and the second decoupling device 24, and first is moved back
Coupling device 22 is arranged on the first signal wire 18 so that when the first signal wire 18 is attached between the first radiator 14,
Ensure that the first decoupling device 22 can effectively eliminate the parasitic couplings between circuit, avoids near-field communication signal to other frequency range functions
The interference of antenna, while also avoiding the performance of other function antennas influence near-field communication signal；Second decoupling device 24 is arranged
On second signal line 20 so that when second signal line 20 is attached between the second radiator 16, ensure the second decoupling
Device 24 can effectively eliminate the parasitic couplings between circuit, avoid interference of the near-field communication signal to other frequency range function antennas,
Interference of the near-field communication signal to other frequency range function antennas is avoided, while other function antennas also being avoided to influence near-field communication letter
Number performance.
In any of the above-described technical solution, it is preferable that antenna module further includes：First tie point 26, the first tie point 26
It is arranged between the first radiator 14 and ground structure 10, the first radiator 14 is connected by the first tie point 26 with ground structure 10
It connects；And second tie point 28, the second tie point 28 are arranged between the second radiator 16 and ground structure 10, the second tie point 28
Second radiator 16 is connected with ground structure 10.
In the technical scheme, antenna module further includes the first tie point 26 and the second tie point 28, by the first tie point
26 are arranged between the first radiator 14 and ground structure 10, and make the first tie point 26 by the first radiator 14 and ground junction
Structure 10 is connected, and the second tie point 28 is arranged between the second radiator 16 and ground structure 10, and makes the second tie point 28 will
Second radiator 16 is connected with ground structure 10, ensures that the first tie point 26 can effectively eliminate the parasitic couplings between circuit；
And first tie point 26 and the second tie point 28 be separately positioned on the both ends of ground structure 10, ensure the first tie point 26 and the
Two tie points 28 can be linked into the first signal wire 18, the first radiator 14, ground structure 10, the second radiator 16 and second signal
Between composition circuit.
It is contemplated that, the first tie point 26 and the second tie point 28 are to realize the first radiator 14 and the second radiator
16 are attached and are isolated between ground structure 10 respectively, can set the first tie point 26 and the second tie point 28 to muscle
Position, metal clips, flexible PCB, decoupling circuit or decoupling electric appliance can realize the first radiator 14 and the second radiator 16
Respectively the connection between ground structure 10 be isolated；Meanwhile for the ease of the first radiator 14 and the second radiator 16 with
First tie point 26 and the second tie point 28 are set between ground structure 10, it can be by the first radiator 14, the first tie point 26
And ground structure 10 is disposed as integral structure, the second radiator 16, the second tie point 28 and ground structure 10 are disposed as
On the one hand integral structure can simplify to 28 setting steps of the first tie point 26 and the second tie point in this way；On the other hand can have
Effect ground ensure the first tie point 26 and the second tie point 28 first radiator 14 and the second radiator 16 can be carried out effectively every
From.In any of the above-described technical solution, it is preferable that the first signal wire 18 is metallic signal lines；And/or second signal line 20 is gold
Belong to signal wire.
As shown in Fig. 2, in the technical scheme, the first signal wire 18 and second signal line 20 could be provided as metal letter
Number line, when the distance between the first radiator 14 and the second radiator 16 is longer, the first signal wire 18 and second signal line 20
Just it needs longer length is arranged and can connect to the first radiator 14 and the second radiator 16, therefore, in order to ensure in connection
Signal transmission effect is preferable in the process, therefore newly sets the first signal wire 18 and second signal to metallic signal lines, ensures electricity
Effective transmission between signal.
In any of the above-described technical solution, it is preferable that the first signal wire 18 is connected with the end of the first radiator 14, and
Second signal line 20 is connected with the end of the second radiator 16.
In the technical scheme, the first signal wire 18 is set as being connected with the end of the first radiator 14, and will
Second signal line 20 is set as being connected with the end of the second radiator 16, can ensure in this way in access 14 He of the first radiator
When the second radiator 16, the length that the first radiator 14 and the second radiator 16 are linked into circuit can be big as far as possible so that
First radiator 14 and the second radiator 16 can be as much as possible by as near field communication antenna, and increase near field as much as possible is logical
The radiation body length of Iflytech's line, promotes the communication effect of near field communication antenna.
In any of the above-described technical solution, it is preferable that antenna module further includes：Two communication signal ports, respectively with
One radiator 14 is connected with the second radiator 16；GPS/WiFi signal ports, GPS/WiFi signal ports and the first radiator
14 are connected；Wherein, the first radiator 14 is divided into full frequency band region and medium-high frequency section region, communication signal by the first tie point 26
Port is connected with full frequency band region, and GPS/WiFi signal ports are connected with medium-high frequency section region.
In the technical scheme, antenna module further includes two communication signal ports and GPS/WiFi signal ports, two
Communication signal port is connected with the first radiator 14 and the second radiator 16 respectively so that the first radiator 14 and second radiates
Body 16 can be used as the LTE antenna of communication, while the first radiator 14 can be used as LTE when there is communication signal port to access data
Upper antenna, the second radiator 16 can be used as antenna under LTE, ensure that the communication function of terminal device is normal；In addition antenna module
Further include GPS/WiFi signal ports, GPS/WiFi signal ports is connected with the first radiator 14, by the first radiator 14
As GPS/WiFi antennas, ensure that the transmission-receiving function of GPS/WiFi antennas is normal；Simultaneously as the first tie point 26 is by the first spoke
Beam 14 is divided into full frequency band region and medium-high frequency section region, and communication signal port is connected with full frequency band region, GPS/WiFi letters
Number port is connected with medium-high frequency section region so that isolation is preferable between communication signal and GPS/WiFi signals, communication signal
It will not influence each other between GPS/WiFi signals, and the second radiator 16 is only that LTE communications and near-field communication are shared, this
When the second tie point 28 can be arranged on second one end of radiator 16 far from second signal line 20, ensure second signal line
20 are linked by as much as possible in circuit.
Further, it is contemplated that, in order to enhance GPS/WiFi signals, the quantity of GPS/WiFi signal ports can be arranged
It is two, second GPS/WiFi signal port is connected with the medium-high frequency section region of the second radiator 16, and the second radiation
Body 16 realizes the separation in full frequency band region and medium-high frequency section region by the second tie point 28 so that the second radiator 16 can be made
For GPS/WiFi antennas and LTE antenna.
In any of the above-described technical solution, it is preferable that the first decoupling device 22 and the second decoupling device 24 are inductance.
In the technical scheme, the first decoupling device 22 and the second decoupling device 24 are set to inductance, by adjusting electricity
Inductance value so that formed back in the first signal wire 18, the first radiator 14, ground structure 10, the second radiator 16 and second signal
Lu Zhong, inductance value can increase as far as possible, and then improve the effect of near-field communication.
In any of the above-described technical solution, it is preferable that ground structure 10 is arranged on the mainboard of terminal；Or ground structure 10
For metallic plate, ground structure 10 is arranged to be covered after terminal device.
As shown in figure 3, in the technical scheme, the mainboard in terminal can be arranged in ground structure 10, so that ground structure
10 are connected with the ground of mainboard, at this point it is possible to do not limit the material of the rear cover of terminal device, such as the rear cover of terminal device can be with
For non-metallic materials such as plastics or ceramics, technical scheme of the present invention also can be realized.
In addition it is also possible to set ground structure 10 to metallic plate, and set and terminal device ground structure 10 to
Rear cover is an integral structure, and in this way when the rear cover of terminal device is metal back cover, the metallic plate of ground structure 10 can be used as
The rear cover of terminal device is made of in this way in the terminal device of all-metal rear cover the first radiator 14 and the second radiator 16
Near field communication antenna can effectively be communicated；And it is provided with first between the first radiator 14 and the second radiator 16
Decoupling device 22 and the second decoupling device 24, can effectively ensure when setting ground structure 10 to metallic plate, metallic plate
Windowed regions can also be formed between the first radiator 14 and the second radiator 16, ensure to generate in near-field communication enough
Inductance value.
According to the second aspect of the invention, the present invention provides a kind of terminal devices, have any implementation of first aspect
The antenna module that example provides, therefore, the terminal device that the embodiment of the present invention provides are provided with first aspect any embodiment
Antenna module whole advantageous effects, it is numerous to list herein.
In any of the above-described technical solution, it is preferable that terminal device further includes metal back cover, the ground structure of antenna module
10 are arranged in metal back cover.
In the technical scheme, terminal setting further includes metal back cover, and the ground structure of antenna module 10 is arranged
In metal back cover so that being grounded by metal back cover for antenna module is avoided and be separately provided again in antenna module
The technical solution of ground structure 10, reduces the cost of antenna module, and then improves the competitiveness of product in market.
In the description of this specification, the orientation or positional relationship of the instructions such as term "upper", "lower" is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device
Or element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention；
Term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, can also be can
Dismantling connection, or be integrally connected；It can be directly connected, it can also be indirectly connected through an intermediary.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 the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the present invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of antenna module, it to be used for terminal device, which is characterized in that the antenna module includes：
Ground structure；
The signal wire of near-field communication chip, the near-field communication chip includes concatenated first signal wire and second signal line；
First radiator is connected with the first end of the ground structure, first signal wire and the first radiator phase
Connection；
Second radiator is connected with the second end of the ground structure, the second signal line and the second radiator phase
Connection；
Wherein, first signal wire, first radiator, the ground structure, second radiator and described second
Signal line group is at circuit.
2. antenna module according to claim 1, which is characterized in that the antenna module further includes：
First decoupling device is arranged on first signal wire；And the second decoupling device, it is arranged in the second signal line
On.
3. antenna module according to claim 2, which is characterized in that the antenna module further includes：
First tie point, first tie point are arranged between first radiator and the ground structure, and described first
First radiator is connected by tie point with the ground structure；And
Second tie point, second tie point are arranged between second radiator and the ground structure, and described second
Second radiator is connected by tie point with the ground structure.
4. antenna module according to claim 1, which is characterized in that
First signal wire is metallic signal lines；And/or the second signal line is metallic signal lines.
5. antenna module according to claim 1, which is characterized in that
First signal wire is connected with the end of first radiator, and the second signal line is radiated with described second
The end of body is connected.
6. antenna module according to claim 3, which is characterized in that the antenna module further includes：
Two communication signal ports are connected with first radiator and second radiator respectively；
GPS/WiFi signal ports, the GPS/WiFi signal ports are connected with first radiator；
Wherein, first radiator is divided into full frequency band region and medium-high frequency section region, the communication by first tie point
Signal port is connected with the full frequency band region, and the GPS/WiFi signal ports are connected with medium-high frequency section region.
7. antenna module according to claim 2, which is characterized in that
The first decoupling device and the second decoupling device are inductance.
8. antenna module according to any one of claim 1 to 7, which is characterized in that
The ground structure is arranged on the mainboard of the terminal；Or
The ground structure is metallic plate, and the ground structure is arranged to be covered after the terminal device.
9. a kind of terminal device, which is characterized in that including antenna module such as described in any item of the claim 1 to 8.
10. terminal device according to claim 9, which is characterized in that the terminal device further includes metal back cover, described
The ground structure of antenna module is arranged in the metal back cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023806.2A CN108288754A (en) | 2017-10-27 | 2017-10-27 | Antenna module and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711023806.2A CN108288754A (en) | 2017-10-27 | 2017-10-27 | Antenna module and terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108288754A true CN108288754A (en) | 2018-07-17 |
Family
ID=62831518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711023806.2A Pending CN108288754A (en) | 2017-10-27 | 2017-10-27 | Antenna module and terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108288754A (en) |
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| CN112448146A (en) * | 2019-08-30 | 2021-03-05 | Oppo广东移动通信有限公司 | Antenna device, electronic equipment and antenna switching method |
| CN114243271A (en) * | 2021-12-15 | 2022-03-25 | 深圳市锐尔觅移动通信有限公司 | Antenna device, circuit board assembly and electronic equipment |
| CN114243272A (en) * | 2021-12-15 | 2022-03-25 | 深圳市锐尔觅移动通信有限公司 | Antenna device, circuit board assembly and electronic equipment |
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