CN108521035A - The connection structure of mobile terminal and its universal serial bus connector - Google Patents
The connection structure of mobile terminal and its universal serial bus connector Download PDFInfo
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- CN108521035A CN108521035A CN201810265729.XA CN201810265729A CN108521035A CN 108521035 A CN108521035 A CN 108521035A CN 201810265729 A CN201810265729 A CN 201810265729A CN 108521035 A CN108521035 A CN 108521035A
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- China
- Prior art keywords
- serial bus
- universal serial
- mobile terminal
- bus connector
- mainboard
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/02—Connectors or connections adapted for particular applications for antennas
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Abstract
The present invention discloses the connection structure of a kind of mobile terminal and its universal serial bus connector, and mobile terminal includes fuselage, the mainboard in fuselage, and the antenna set on fuselage bottom end;Universal serial bus connector is set to the bottom end of fuselage, and is fixedly installed on mainboard;The signal wire of universal serial bus connector and the signaling point of mainboard connect;The metal shell of universal serial bus connector is connected by the earth point of the first filter module and mainboard;First filter module has Low ESR in the band limits of universal serial bus signal, and has high impedance in the band limits of aerial signal.Technical scheme of the present invention, by the way that the first filter module is arranged between the earth point of the mainboard of the metal shell and mobile terminal of universal serial bus connector, while realizing to effective shielding of universal serial bus signal, the influence of the metal shell of universal serial bus connector to the performance of antenna can also be effectively reduced.
Description
Technical field
The present invention relates to field of terminal, more particularly to a kind of mobile terminal and its universal serial bus (Universal
Serial Bus, USB) connector connection structure.
Background technology
Universal serial bus connector is the essential component of mobile terminal, and effect is for mobile terminal and other
Equipment is communicatively coupled or charges to mobile terminal.
In order to enhance the reliability and durability of universal serial bus connector, universal serial bus connector is generally gold
Belong to shell.Under normal conditions, the metal shell of universal serial bus connector can directly connect with the earth point of Mobile terminal main board
It connects, to enhance shielding properties of the USB connector to usb signal.
In general, the considerations of for easy to use and mobile terminal appearance, universal serial bus connector is preferred
It is positioned over the centre position of the bottom end of mobile terminal.However, for certain mobile terminals (for example, smart mobile phone) etc., in order to protect
Signal strength is demonstrate,proved, the bottom end of those mobile terminals can also place antenna, and the presence of universal serial bus connector can be to placing
Large effect is caused in the performance of the antenna of the bottom end of mobile terminal.
It is existing a kind of by way of disconnecting the earth point of the metal shell of universal serial bus connector and mainboard, come
Reducing universal serial bus connector influences antenna performance, but this mode will be greatly reduced universal serial bus connector
The shielding properties to universal serial bus signal.
Invention content
The main object of the present invention is to provide the connection structure of a kind of mobile terminal and its universal serial bus connector, purport
While shield effectiveness of the universal serial bus connector to universal serial bus signal is effectively ensured, general string is effectively reduced
Influence of the row bus connector to antenna performance.
To achieve the above object, the present invention proposes a kind of connection structure of the universal serial bus connector of mobile terminal,
The mobile terminal includes fuselage, the mainboard in the fuselage, and the antenna set on the fuselage bottom end;It is described general
Serial bus connector is set to the bottom end of the fuselage, and is fixedly installed on the mainboard;The universal serial bus connection
The signal wire of device is connect with the signaling point of the mainboard;The metal shell of the universal serial bus connector passes through the first filtering
Module is connect with the earth point of the mainboard;First filter module has in the band limits of universal serial bus signal
Low ESR, and there is high impedance in the band limits of aerial signal.
Optionally, first filter module is low-pass filter or low-pass filter circuit.
Optionally, the low-pass filter is choke-condenser filter.
Optionally, the low-pass filter circuit is inductance capacitor filtering circuit.
Optionally, the metal shell of the universal serial bus connector also passes through the second filter module and the mainboard
Earth point connects;Second filter module has Low ESR in the band limits of universal serial bus signal, and in antenna
There is high impedance in the band limits of signal.
Optionally, second filter module is low-pass filter or low-pass filter circuit.
Optionally, the low-pass filter is choke-condenser filter.
Optionally, the low-pass filter circuit is inductance capacitor filtering circuit.
In addition, to achieve the goals above, the present invention also proposes a kind of mobile terminal, including fuselage, is set to the fuselage
Interior mainboard, and antenna and universal serial bus connector set on the fuselage bottom end;The universal serial bus connects
It connects device to be fixedly installed on the mainboard, and the signal wire of the universal serial bus connector and the signaling point of the mainboard connect
It connects;The metal shell of the universal serial bus connector is connect by the first filter module with the earth point of the mainboard;Institute
State the first filter module has Low ESR in the band limits of universal serial bus signal, and in the band limits of aerial signal
It is interior that there is high impedance.
Technical scheme of the present invention passes through the mainboard of the metal shell and mobile terminal in universal serial bus connector
First filter module is set between earth point, while realizing effective shielding to universal serial bus signal, can also be had
Influence of the metal shell of effect reduction universal serial bus connector to the performance of antenna;And the structure of the present invention is simple, cost
It is relatively low, it is conducive to realize the cost control to mobile terminal.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
A kind of hardware architecture diagram of Fig. 1 mobile terminals of each embodiment to realize the present invention;
Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention;
Fig. 3 is the structural representation of one embodiment of connection structure of the universal serial bus connector of mobile terminal of the present invention
Figure;
Fig. 4 is the structural representation of another embodiment of connection structure of the universal serial bus connector of mobile terminal of the present invention
Figure.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only
The explanation for being conducive to the present invention, itself does not have a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, tablet
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
The shiftings such as media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer
The fixed terminals such as dynamic terminal, and number TV, desktop computer.
It will be illustrated by taking mobile terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
Except element for moving purpose, construction according to the embodiment of the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware architecture diagram of its mobile terminal of each embodiment to realize the present invention, the shifting
Moving terminal 100 may include:RF (Radio Frequency, radio frequency) unit 101, WiFi modules 102, audio output unit
103, A/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit
108, the components such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Mobile terminal structure does not constitute the restriction to mobile terminal, and mobile terminal may include components more more or fewer than diagram,
Either combine certain components or different components arrangement.
The all parts of mobile terminal are specifically introduced with reference to Fig. 1:
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, to processor 110 handle;In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated with network and other equipment by radio communication.Above-mentioned wireless communication can use any communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it has provided wireless broadband internet to the user and has accessed.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and it is not belonging to must be configured into for mobile terminal, it completely can be according to need
It to be omitted in the range for the essence for not changing invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, it is that radio frequency unit 101 or WiFi modules 102 are received or
The audio data that person stores in memory 109 is converted into audio signal and exports to be sound.Moreover, audio output unit
103 can also provide executed with mobile terminal 100 the relevant audio output of specific function (for example, call signal receive sound,
Message sink sound etc.).Audio output unit 103 may include loud speaker, buzzer etc..
A/V input units 104 are for receiving audio or video signal.A/V input units 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 in video to capturing mould
The image data of the static images or video that are obtained by image capture apparatus (such as camera) in formula or image capture mode carries out
Processing.Treated, and picture frame may be displayed on display unit 106.It can be with through treated the picture frame of graphics processor 1041
It is stored in memory 109 (or other storage mediums) or is sent via radio frequency unit 101 or WiFi module 102.Wheat
Gram wind 1042 can be in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Sound (audio data) is received, and can be audio data by such acoustic processing.Audio that treated (voice) data
Can be converted in the case of telephone calling model can be sent to via radio frequency unit 101 mobile communication base station format it is defeated
Go out.Microphone 1042 can implement various types of noises elimination (or inhibition) algorithms and sended and received with eliminating (or inhibition)
The noise generated during audio signal or interference.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, size and the direction of gravity are can detect that when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.;
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared sensor, details are not described herein.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can
Including display panel 1061, liquid crystal display (Liquid Crystal Display, LCD), organic light-emitting diodes may be used
Forms such as (Organic Light-Emitting Diode, OLED) are managed to configure display panel 1061.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family is arranged and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect user on it or neighbouring touch operation
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller;Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.In addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating lever etc.
It is one or more, do not limit herein specifically.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be to realize the function that outputs and inputs of mobile terminal as two independent components, but in certain embodiments, can
The function that outputs and inputs of mobile terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving from external device (ED) input (for example,
Data information, electric power etc.) and the input received is transferred to one or more elements in mobile terminal 100 or can
For the transmission data between mobile terminal 100 and external device (ED).
Memory 109 can be used for storing software program and various data.Memory 109 can include mainly storing program area
And storage data field, wherein storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.;Storage data field can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Reason device 110 may include one or more processing units;Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply 111
Can be logically contiguous by power-supply management system and processor 110, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
Embodiment to facilitate the understanding of the present invention, below to the communications network system that is based on of mobile terminal of the present invention into
Row description.
Referring to Fig. 2, Fig. 2 is a kind of communications network system Organization Chart provided in an embodiment of the present invention, the communication network system
System be universal mobile communications technology LTE system, the LTE system include communicate successively connection UE (User Equipment,
User equipment) 201, E-UTRAN (Evolved UMTS Terrestrial Radio Access Network, evolved UMTS
Land radio access web) 202, EPC (Evolved Packet Core, evolved packet-based core networks) 203 and operator IP industry
Business 204.
Specifically, UE201 can be above-mentioned terminal 100, and details are not described herein again.
E-UTRAN202 includes eNodeB2021 and other eNodeB2022 etc..Wherein, eNodeB2021 can be by returning
Journey (backhaul) (such as X2 interface) is connect with other eNodeB2022, and eNodeB2021 is connected to EPC203,
ENodeB2021 can provide the access of UE201 to EPC203.
EPC203 may include MME (Mobility Management Entity, mobility management entity) 2031, HSS
(Home Subscriber Server, home subscriber server) 2032, other MME2033, SGW (Serving Gate
Way, gateway) 2034, PGW (PDN Gate Way, grouped data network gateway) 2035 and PCRF (Policy and
Charging Rules Function, policy and rate functional entity) 2036 etc..Wherein, MME2031 be processing UE201 and
The control node of signaling, provides carrying and connection management between EPC203.HSS2032 is all to manage for providing some registers
Such as the function of home location register (not shown) etc, and some are preserved in relation to use such as service features, data rates
The dedicated information in family.All customer data can be sent by SGW2034, and PGW2035 can provide the IP of UE 201
Address is distributed and other functions, and PCRF2036 is strategy and the charging control strategic decision-making of business data flow and IP bearing resources
Point, it selects and provides available strategy and charging control decision with charge execution function unit (not shown) for strategy.
IP operation 204 may include internet, Intranet, IMS (IP Multimedia Subsystem, IP multimedias
Subsystem) or other IP operations etc..
Although above-mentioned be described by taking LTE system as an example, those skilled in the art it is to be understood that the present invention not only
Suitable for LTE system, be readily applicable to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA with
And the following new network system etc., it does not limit herein.
Based on above-mentioned mobile terminal hardware configuration and communications network system, each embodiment of the method for the present invention is proposed
As shown in figure 3, Fig. 3 is one embodiment of connection structure of the universal serial bus connector of mobile terminal of the present invention
Structural schematic diagram.
In the present embodiment, the mobile terminal includes fuselage 300, the mainboard 400 in the fuselage 300, and
Antenna (to be not shown) and universal serial bus connector 500 set on 300 bottom end of the fuselage.Wherein,
The universal serial bus connector 500 is set to the bottom end of the fuselage 300, and is fixedly installed in the mainboard
On 400, for realizing the connection of mobile terminal and external equipment (for example, host computer, external power supply etc.), to realize and outside
The data interchange of equipment, or realize the charging to mobile terminal.It includes metal shell 520 and be set to the metal shell 520
Interior plug-in unit 540;The plug-in unit 540 is equipped with the signal wire 542 of several metallization.The universal serial bus connector 500 has
There are a blind end and an open end;The blind end is fixedly installed on the mainboard 400 of the mobile terminal;And the open end
Be placed in the mobile terminal fuselage 300 correspond to the universal serial bus connector 500 setting accommodating hole in, for
Data line with insertion end or cable connection to realize the communication connection of the mobile terminal and external data, or realize institute
State being electrically connected for mobile terminal and externally fed equipment.
Further, in the present embodiment, the signal wire 542 of the universal serial bus connector 500 and the mainboard
400 signaling point 402 connects;The metal shell 520 of the universal serial bus connector 500 passes through the first filter module 600
It is connect with the earth point 404 of the mainboard 400;First filter module 600 (refers specifically to, leads in universal serial bus signal
Cross the data-signal of universal serial bus transmission) band limits in there is Low ESR, and (referred specifically to, antenna in aerial signal
Transmitting and receive radiofrequency signal) band limits in have high impedance.
Specifically, on the mainboard 400 of the signal wire 542 of the universal serial bus connector 500 and the mobile terminal
Signaling point 402 linked together by way of being welded to connect, to realize the transmission of universal serial bus signal.And it is described logical
Pass through the first filter module 600 and the mainboard 400 of the mobile terminal with the metal shell 520 of serial bus connector 500
Earth point 404 links together.First filter module 600 has low-resistance in the band limits of universal serial bus signal
It is anti-, to realize the ground connection of the metal shell 520 of the universal serial bus connector 500 and the mainboard 400 of the mobile terminal
The electrical connection of point 404, and then realize the shielding to universal serial bus signal.First filter module 600 is in aerial signal
Band limits in there is high impedance, and then effectively reduce the metal shell 520 of the universal serial bus connector 500 to institute
State the influence of the performance of antenna.Wherein, first filter module 600 is low-pass filter or low-pass filter circuit, due to low
Bandpass filter or low-pass filter circuit are Low ESR in the lower signal of frequency (for example, universal serial bus signal), in frequency
It is high impedance when the higher signal of rate (for example, radiofrequency signal of antenna), and universal serial bus connector shielding properties is weaker
Frequency be usually low-frequency range, and Antenna Operation frequency range is high band, passes through and selects suitable low-pass filter or low-pass filtering
Circuit can be very good shielding properties of the enhancing universal serial bus connector to low frequency signal, while can also reduce well
Influence of the universal serial bus connector to antenna.Specifically for example, choke-condenser filter (LC filters) or inductance capacitance filter
Wave circuit (LC filter circuits) etc..Since LC filters or LC filter circuits are Low ESR in LC resonance frequency point, in LC resonance frequency
Frequency-portions other than point are high impedance, thus by the way that the frequency point that the resonance frequency point of LC is needs reinforcement shielding is arranged, it can be very
Good enhancing universal serial bus connector can also reduce general serial well to shielding the shielding properties of weak frequency point
Influence of the Bussing connector to antenna.Since Low ESR is all presented in LC filter networks near resonance point, there is certain low-resistance
Anti- bandwidth can obtain different low impedance bandwidths by changing the value of the LC networks, to realize the shielding of different bandwidth
It is required that.
The technical solution of the present embodiment, by metal shell 520 in universal serial bus connector 500 with it is mobile eventually
First filter module 600 is set between the earth point 404 of the mainboard 400 at end, is being realized to the effective of universal serial bus signal
While shielding, the shadow of the metal shell 520 of universal serial bus connector 500 to the performance of antenna can also be effectively reduced
It rings;And the structure of the present embodiment is simple, cost is relatively low, is conducive to realize the cost control to mobile terminal.
Further, as shown in figure 4, and with reference to figure 3, Fig. 4 is the universal serial bus connector of mobile terminal of the present invention
Another embodiment of connection structure structural schematic diagram.
In the present embodiment, the metal shell 520 of the universal serial bus connector 500 also passes through the second filter module
700 connect with the earth point 404 of the mainboard 400.
Specifically, second filter module 700 has Low ESR in the band limits of universal serial bus signal, with
Realize the earth point 404 of the metal shell 520 of the universal serial bus connector 500 and the mainboard 400 of the mobile terminal
Electrical connection, and then realize shielding to universal serial bus signal.Frequency range of second filter module 700 in aerial signal
There is high impedance in range, and then effectively reduce the metal shell 520 of the universal serial bus connector 500 to the antenna
Performance influence.Wherein, two filter module is similarly low-pass filter or low-pass filter circuit, due to low-pass filter
Or low-pass filter circuit is Low ESR in the lower signal of frequency (for example, universal serial bus signal), it is higher in frequency
It is high impedance when signal (for example, radiofrequency signal of antenna), and the weaker frequency of universal serial bus connector shielding properties is logical
It is often low-frequency range, and Antenna Operation frequency range is high band, it, can be with by selecting suitable low-pass filter or low-pass filter circuit
Enhance shielding properties of the universal serial bus connector to low frequency signal well, while it is total also to reduce general serial well
Influence of the wiring connector to antenna.Specifically for example, choke-condenser filter (LC filters) or inductance capacitor filtering circuit (LC
Filter circuit) etc..Since LC filters or LC filter circuits are Low ESR in LC resonance frequency point, other than LC resonance frequency point
Frequency-portions are high impedance, thus by the way that the frequency point that the resonance frequency point of LC is needs reinforcement shielding is arranged, can be very good to enhance
Universal serial bus connector can also reduce universal serial bus connection well to shielding the shielding properties of weak frequency point
Influence of the device to antenna.Since Low ESR is all presented in LC filter networks near resonance point, there is certain low impedance bandwidth, lead to
The value for changing the LC networks is crossed, different low impedance bandwidths can be obtained, to realize the shielding requirements of different bandwidth.
In the present embodiment, second filter module 700 can be identical as first filter module 600, can also
Difference, for example, first filter module 600 and second filter module 700 can be LC filters or LC filtered electricals
Road, or one of them is LC filters, and another is LC filter circuits etc..
The technical solution of the present embodiment, by metal shell 520 in universal serial bus connector 500 with it is mobile eventually
Second filter module 700 is set between the earth point 404 of the mainboard 400 at end, is furthermore achieved to universal serial bus signal
Effective shielding, while further reducing the metal shell 520 of universal serial bus connector 500 to the performance of antenna
It influences.
It is noted that technical scheme of the present invention, however it is not limited to two filter modules are only set, it can also be according to reality
Border needs that more filter modules are arranged, and each filter module can be identical or different, and the technology effect of the present invention can be achieved
Fruit.
The present invention also proposes a kind of mobile terminal, which includes the connection structure of universal serial bus connector,
The concrete structure of the connection structure of the universal serial bus connector is with reference to above-described embodiment, since this mobile terminal uses
Whole technical solutions of all embodiments are stated, therefore at least all beneficial to effect caused by the technical solution with above-described embodiment
Fruit, this is no longer going to repeat them.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (9)
1. a kind of connection structure of the universal serial bus connector of mobile terminal, the mobile terminal includes fuselage, is set to institute
State the mainboard in fuselage, and the antenna set on the fuselage bottom end, which is characterized in that the universal serial bus connector is set
In the bottom end of the fuselage, and it is fixedly installed on the mainboard;The signal wire of the universal serial bus connector with it is described
The signaling point of mainboard connects;The metal shell of the universal serial bus connector passes through the first filter module and the mainboard
Earth point connects;First filter module has Low ESR in the band limits of universal serial bus signal, and in antenna
There is high impedance in the band limits of signal.
2. the connection structure of the universal serial bus connector of mobile terminal as described in claim 1, which is characterized in that described
First filter module is low-pass filter or low-pass filter circuit.
3. the connection structure of the universal serial bus connector of mobile terminal as claimed in claim 2, which is characterized in that described
Low-pass filter is choke-condenser filter.
4. the connection structure of the universal serial bus connector of mobile terminal as claimed in claim 2, which is characterized in that described
Low-pass filter circuit is inductance capacitor filtering circuit.
5. the connection structure of the universal serial bus connector of the mobile terminal as described in any one of Claims 1-4,
It is characterized in that, the metal shell of the universal serial bus connector also passes through the earth point of the second filter module and the mainboard
Connection;Second filter module has Low ESR in the band limits of universal serial bus signal, and in aerial signal
There is high impedance in band limits.
6. the connection structure of the universal serial bus connector of mobile terminal as claimed in claim 5, which is characterized in that described
Second filter module is low-pass filter or low-pass filter circuit.
7. the connection structure of the universal serial bus connector of mobile terminal as claimed in claim 6, which is characterized in that described
Low-pass filter is choke-condenser filter.
8. the connection structure of the universal serial bus connector of mobile terminal as claimed in claim 6, which is characterized in that described
Low-pass filter circuit is inductance capacitor filtering circuit.
9. a kind of mobile terminal, which is characterized in that total including the general serial described in any one of the claims 1 to 8
The connection structure of wiring connector.
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CN201810265729.XA CN108521035A (en) | 2018-03-28 | 2018-03-28 | The connection structure of mobile terminal and its universal serial bus connector |
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CN201810265729.XA CN108521035A (en) | 2018-03-28 | 2018-03-28 | The connection structure of mobile terminal and its universal serial bus connector |
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CN101674674A (en) * | 2009-09-18 | 2010-03-17 | 深圳华为通信技术有限公司 | Wireless terminal device |
CN103078215A (en) * | 2012-12-27 | 2013-05-01 | 华为终端有限公司 | Base and method for improving wireless performance of wireless equipment when being connected with base |
CN103595435A (en) * | 2013-10-15 | 2014-02-19 | 深圳市冠旭电子有限公司 | Circuit board with antenna and USB interface and wireless transmitting and receiving device |
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Application publication date: 20180911 |