CN106506028A - A kind of antenna matching unit and communication equipment - Google Patents
A kind of antenna matching unit and communication equipment Download PDFInfo
- Publication number
- CN106506028A CN106506028A CN201610858268.8A CN201610858268A CN106506028A CN 106506028 A CN106506028 A CN 106506028A CN 201610858268 A CN201610858268 A CN 201610858268A CN 106506028 A CN106506028 A CN 106506028A
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- Prior art keywords
- circuit
- antenna
- control
- battery cover
- detection
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transmitters (AREA)
Abstract
The invention discloses a kind of antenna matching unit and communication equipment, the device includes：Detection circuit, control circuit, radio circuit, at least switching circuit, first antenna match circuit and the second antenna-matching circuit and antenna；The battery cover material of detection electric circuit inspection terminal device simultaneously exports the detection signal of corresponding battery cover material to control circuit, and pattern work of the radio circuit using corresponding detection signal is controlled, radio circuit further controls the antenna-matching circuit that switching circuit switches to corresponding detection signal；Or control circuit directly controls the antenna-matching circuit that switching circuit switches to the correspondingly detection signal.When the arrangement achieves terminal device using unlike material battery cover, using the performance for improving antenna with current antenna signal compared with the antenna-matching circuit for mating, so as to improve the communication quality of terminal device.
Description
Technical field
The present invention relates to antenna technical field, more particularly to a kind of antenna matching unit and communication equipment.
Background technology
Antenna is a kind of converter, for the guided wave of transmission above-the-line promotion is transformed in unbounded medium (typically certainly
By space) the middle electromagnetic wave that propagates, or carry out contrary conversion.The RF signal power of radio transmitter output, passes through
Feeder line (cable) is transported to antenna, is radiate with electromagnetic wave by antenna.Electromagnetic wave is reached after receiving place, is connect by antenna
Get off, and radio receiver is sent to by feeder line.Radio communication, broadcast, TV, radar, navigation, electronic countermeasure, remote sensing,
The engineering systems such as radio astronomy, every using electromagnetic waves to transmission information, depend on antenna to be operated.
The antenna of terminal device mainly has two kinds of built-in aerial and external antenna at present, but most terminal devices are using built-in
Antenna.With the change of media environment and frequency range, built-in aerial occurs frequency deviation, so as to cause antenna performance to reduce, affects eventually
The communication quality of end equipment.
In some terminal device products, can the arrange in pairs or groups simultaneously battery cover of various material of producer is sold to client, with plastics
Material battery cover and metal material battery cover are most commonly seen.When the antenna that is debugged with plastic material battery cover environment, gold is replaced by
After category material battery cover, the antenna performance of mobile device can offset, and performance can decay.
Content of the invention
The invention mainly solves the technical problem of a kind of antenna matching unit and communication equipment are provided, to solve existing skill
In art, terminal device uses unlike material battery cover, the problem of antenna performance skew.
For solving above-mentioned technical problem, one aspect of the present invention is：A kind of antenna matching unit, institute are provided
Stating antenna matching unit includes：Detection circuit, control circuit, radio circuit, switching circuit, at least first antenna match circuit and
Second antenna-matching circuit and antenna；
Wherein, detection circuit, the radio circuit are connected with the control circuit, the switching circuit with described
Radio circuit or control circuit connection, at least first antenna match circuit and the second antenna-matching circuit pass through respectively
The switching circuit is coupled with the antenna selectivities；
Wherein, the detection circuit is the detection signal for detecting battery cover material and exporting corresponding battery cover material；Described
Control circuit receives the detection signal, and controls pattern work of the radio circuit using the corresponding detection signal；Institute
State radio circuit and further control the first antenna match circuit that the switching circuit switches to the correspondingly detection signal
Or second antenna-matching circuit；Or the control circuit directly controls the switching circuit and switches to the corresponding detection signal
The first antenna match circuit or the second antenna-matching circuit.
Wherein, the control circuit is battery management circuit.
Wherein, when the detection electric circuit inspection is conductive material to the battery cover, the corresponding conductor battery cover of output
First detection signal；When the detection electric circuit inspection is isolation material to the battery cover, exports
Second detection signal.
Wherein, the detection circuit supports the battery cover, the battery cover ground connection, the bullet pin/piece by playing pin/piece
Output high level；The voltage of pin/piece is played described in the detection electric circuit inspection, when the voltage for detecting is high level, defeated
Go out to represent the detection signal that the battery cover is isolation material, when the voltage for detecting is low level, output represents institute
State the detection signal that battery cover is conductive material.
When the switching circuit being controlled for the radio circuit wherein, the radio circuit receive described
First control signal of control circuit, and I/O control commands are produced, control the switching circuit and switch to described first day
Lines matching circuit；Or the second control signal of the control circuit is received, and the 2nd I/O control commands are produced, control is described
Switching circuit switches to second antenna-matching circuit.
Wherein, the control end pin of the switching circuit is connected in the ground feed pin of the antenna, the switching circuit
Two pins of switch terminal are connected with second antenna-matching circuit with the first antenna match circuit respectively, and described first
Antenna-matching circuit is grounded respectively with second antenna-matching circuit, is penetrated described in the control end pin connection of the switching circuit
Frequency circuit or the control circuit；Or, two pins of the switch terminal of the switching circuit respectively with the first antenna
It is connected with second antenna-matching circuit with circuit, the first antenna match circuit of stating is with second antenna-matching circuit
The feeder line connection of the difference antenna, the control end pin of the switching circuit connect the radio circuit or control electricity
Road.
For solving above-mentioned technical problem, another technical solution used in the present invention is：A kind of communication equipment is provided, described
Communication equipment includes battery cover and the antenna matching unit.
Wherein, the antenna matching unit includes：Detection circuit, control circuit, radio circuit, switching circuit, at least the
One antenna-matching circuit and the second antenna-matching circuit and antenna；
Wherein, detection circuit, the radio circuit are connected with the control circuit, the switching circuit with described
Radio circuit or control circuit connection, at least first antenna match circuit and the second antenna-matching circuit pass through respectively
The switching circuit is coupled with the antenna selectivities；
Wherein, the detection circuit is the detection signal for detecting battery cover material and exporting corresponding battery cover material；Described
Control circuit receives the detection signal, and controls pattern work of the radio circuit using the corresponding detection signal；Institute
State radio circuit and further control the first antenna match circuit that the switching circuit switches to the correspondingly detection signal
Or second antenna-matching circuit；Or the control circuit directly controls the switching circuit and switches to the corresponding detection signal
The first antenna match circuit or the second antenna-matching circuit.
Wherein, the control circuit is battery management circuit.
Wherein, when the detection electric circuit inspection is conductive material to the battery cover, the corresponding conductor battery cover of output
First detection signal；When the detection electric circuit inspection is isolation material to the battery cover, exports
Second detection signal.
Wherein, the detection circuit supports the battery cover, the battery cover ground connection, the bullet pin/piece by playing pin/piece
Output high level；The voltage of pin/piece is played described in the detection electric circuit inspection, when the voltage for detecting is high level, defeated
Go out to represent the detection signal that the battery cover is isolation material, when the voltage for detecting is low level, output represents institute
State the detection signal that battery cover is conductive material.
When the switching circuit being controlled for the radio circuit wherein, the radio circuit receive described
First control signal of control circuit, and I/O control commands are produced, control the switching circuit and switch to described first day
Lines matching circuit；Or the second control signal of the control circuit is received, and the 2nd I/O control commands are produced, control is described
Switching circuit switches to second antenna-matching circuit.
Wherein, the control end pin of the switching circuit is connected in the ground feed pin of the antenna, the switching circuit
Two pins of switch terminal are connected with second antenna-matching circuit with the first antenna match circuit respectively, and described first
Antenna-matching circuit is grounded respectively with second antenna-matching circuit, is penetrated described in the control end pin connection of the switching circuit
Frequency circuit or the control circuit；Or, two pins of the switch terminal of the switching circuit respectively with the first antenna
It is connected with second antenna-matching circuit with circuit, the first antenna match circuit of stating is with second antenna-matching circuit
The feeder line connection of the difference antenna, the control end pin of the switching circuit connect the radio circuit or control electricity
Road.
The invention has the beneficial effects as follows：Prior art is different from, inventive antenna coalignment and communication equipment are using inspection
The battery cover material of slowdown monitoring circuit detection terminal equipment simultaneously exports the detection signal of corresponding battery cover material to control circuit, and control
Pattern work of the radio circuit using corresponding detection signal, radio circuit further control switching circuit and switch to corresponding detection letter
Number antenna-matching circuit；Or control circuit directly controls the antenna match electricity that switching circuit switches to the correspondingly detection signal
Road.During realizing that terminal device uses unlike material battery cover, adopt with current antenna signal compared with the antenna-matching circuit for mating
To improve the performance of antenna, so as to improve the communication quality of terminal device.
Description of the drawings
Fig. 1 is the module diagram of one embodiment of inventive antenna coalignment；
Fig. 2 is the module diagram of another embodiment of inventive antenna coalignment；
Fig. 3 is the structural representation of one embodiment of communication equipment of the present invention；
Fig. 4 is one enforcement of switching circuit and antenna ground feed pin connected mode in inventive antenna coalignment and communication equipment
The schematic diagram of example；
Fig. 5 is switching circuit and one embodiment of feeder connected mode in inventive antenna coalignment and communication equipment
Schematic diagram.
Specific embodiment
Fig. 1 is referred to, Fig. 1 is the module diagram of one embodiment of inventive antenna coalignment.
The present embodiment antenna matching unit includes detecting circuit 1, control circuit 2, at least switching circuit 4, first antenna
With circuit 5 and the second antenna-matching circuit 6 and antenna 8.
Detection circuit 1, switching circuit 4 are connected with control circuit 2 respectively, first antenna match circuit 5 and the second antenna
Selectively coupled with antenna 8 by switching circuit 4 respectively with circuit 6.
Wherein, detection circuit 1 is used for detection terminal device battery lid material and exports the detection letter of corresponding battery cover material
Number.
Specifically, detection circuit 1 is to support the battery cover on terminal device by bullet pin/piece, arranges battery cover ground connection, and
High level is exported by control circuit 2 and gives bullet pin/piece.When battery cover used by terminal device is isolation material, defeated because playing pin/piece
Go out high level, so detection circuit 1 detects high level, the first detection signal of corresponding isolation material battery cover is exported to control
Circuit 2；When battery cover used by terminal device is conductive material, plays pin/piece and (be provided with battery cover to connect by battery cover ground connection
Ground), detection circuit 1 detects low level, exports the second detection signal of corresponding conductive material battery cover to control circuit 2.
Control circuit 2 is used for the detection signal that sends of receiving test circuit 1, and control switching circuit 4 switch to corresponding to
The antenna-matching circuit of detection signal.
Specifically, when control circuit 2 receives the first detection signal that detection circuit 1 sends, control switching circuit 4 switches
To first antenna match circuit 5 corresponding with first detection signal, control circuit 2 receives the second inspection that detection circuit 1 sends
Signal is surveyed, control switching circuit 4 switches to the second antenna-matching circuit 6 corresponding with the second detection signal.
The control circuit 2 of the present embodiment is battery management circuit.Electric power management circuit be a kind of highly integrated, for just
Take the electric power management circuit of formula application, if will Ganlei's Power Management Devices of traditional discrete be incorporated within single encapsulation,
So can achieve higher power supply conversion efficiency and more low-power consumption, and less package count is adapting to the plate level space of diminution.It
Core feature include based on the synchronous phasor measurement of standard clock signal, the punctual ability for losing standard clock signal, power supply
Real-time Communication for Power relevant communication protocol can be followed between management circuit and main website.Certainly, in other embodiments, control circuit
2 can be other control circuits different from battery management circuit.
Fig. 2 is referred to, Fig. 2 is the structural representation of another embodiment of inventive antenna coalignment.For realizing setting in terminal
During standby battery cover using every kind of material, can be selected according to current demand signal frequency range using with the frequency range compared with the antenna match that mates
Circuit so that more preferably, the present embodiment antenna matching unit increases on the basis of above-described embodiment antenna matching unit antenna performance
Radio circuit 3 is added.
Wherein, control circuit 2, radio circuit 3 and switching circuit 4 are sequentially connected.
In the above-described embodiments it has been noted that control circuit 2 is battery management circuit, export for receiving test circuit 1
Detection signal.For the control circuit 2 that function is enough, can directly control switching circuit 4 and be switched to and current demand signal frequency range
Antenna-matching circuit compared with coupling.When function is simple or there are other Considerations, the side of the present embodiment can be adopted
Using radio circuit 3, formula, is capable of identify that the characteristic of current demand signal frequency range is switched to and current demand signal frequency range controlling switching circuit 4
Antenna-matching circuit compared with coupling.
Radio circuit 3 can be used to receive, send and process high frequency radio wave, including accepting filter, frequency synthesizer, height
Frequency amplifies, receives local oscillator, mixing, intermediate frequency, transmitting local oscillator, power amplifier control, power amplifier etc..It can be cut according to the control of current demand signal frequency range
Change circuit 4 to be switched to current demand signal frequency range compared with the antenna-matching circuit for mating, improve current antenna performance.
In the present embodiment, terminal device can be directed to the battery cover of primarily or entirely optional material, arrange respective numbers and kind
The antenna-matching circuit of class is meeting the coupling of antenna performance.
In application scenarios, the battery cover of optional material is plastic material and metal material, then when terminal device makes
During with plastic material battery cover, control circuit 2 receives the first detection signal that detection circuit 1 sends, and produces the first control
Signal, the first control signal control radio circuit 3 can only be in first antenna match circuit 5 and the 3rd corresponding with plastic material
Switch between antenna-matching circuit 9.Radio circuit 3 produces I/O controls according to first control signal and current demand signal frequency range
Order, and control switching circuit 4 and switch between first antenna match circuit 5 and third antenna match circuit 9；When terminal device makes
During with metal material battery cover, control circuit 2 receives the second detection signal that detection circuit 1 sends, and produces the second control
Signal, the second control signal control radio circuit 3 can only be in the second antenna-matching circuit 6 and the 4th corresponding with metal material
Switch between antenna-matching circuit 10.Radio circuit 3 produces the 2nd I/O controls according to second control signal and the control of current demand signal frequency range
Order is made, and controls switching circuit 4 and switched between the second antenna-matching circuit 6 and the 4th antenna-matching circuit 10；Accordingly, when
When terminal device uses other materials battery cover, operation principle is identical, and narration is not repeated herein.
Fig. 3 is referred to, Fig. 3 is the structural representation of one embodiment of communication equipment of the present invention, this example communications apparatus includes day
Lines matching device 21 and battery cover 20.
Wherein, antenna matching unit 21 is supported battery cover by bullet pin 19 and carries out battery cover wood properly test.
Arrange battery cover 20 to be grounded in the present embodiment, antenna matching unit 21 provides high level to pin 19 is played, and works as battery cover
20 be plastic material when, battery cover 20 be insulator, play pin 19 still export high level；When battery cover 20 is metal material, electricity
Pond lid 20 is conductor, plays pin 19 and is grounded by battery cover 20, exports low level, can just detect battery by this detection mode
The change of the material of lid 20.
The present embodiment pin 19 of being hit by a bullet can also be shell fragment, specifically not limit.
Fig. 4 is referred to, Fig. 4 is switching circuit and antenna ground feed pin connection side in inventive antenna coalignment and communication equipment
The schematic diagram of one embodiment of formula, switching circuit 14 is single-pole double-throw switch (SPDT) in the present embodiment, and switching circuit 14 is connected on antenna
In ground feed pin 18, the control end pin 24 of switching circuit 14 is connected in the ground feed pin 18 of the antenna 12, switching circuit 14
The pin 22,23 of switch terminal is connected with the second antenna-matching circuit 15 with first antenna match circuit 16 respectively, first antenna
It is grounded with the second antenna-matching circuit 15 respectively with circuit 16, the connection control circuit 13 of control end pin 24 of switching circuit 14.
When terminal device uses plastic material battery cover, first detection signal is presented by control circuit 13 from feeder 17
Enter switching circuit 14, and control switching circuit 14 and switch to first antenna coupling 15 corresponding with plastic material battery cover；Work as end
When end equipment uses metal material battery cover, control circuit 13 is by the second detection signal from 17 feed-in switching circuit of feeder
14, and control switching circuit 14 and switch to the second antenna match 16 corresponding with metal material battery cover.
Fig. 5 is referred to, Fig. 5 is switching circuit and feeder connected mode in inventive antenna coalignment and communication equipment
The schematic diagram of one embodiment, switching circuit 14 is single-pole double-throw switch (SPDT) in the present embodiment, and switching circuit 14 is connected on antenna feed
On line 17, the pin 22,23 of the switch terminal of switching circuit 14 is electric with first antenna match circuit 16 and the second antenna match respectively
Road 15 connects, and first antenna match circuit 16 is connected with the feeder line 17 of antenna 12 respectively with the second antenna-matching circuit 15, switching
The connection control circuit 13 of control end pin 24 of circuit 14.
When terminal device uses plastic material battery cover, the output of control circuit 13 first is detected to switching circuit 14, and
Control switching circuit 14 switches to first antenna coupling 15 corresponding with plastic material battery cover；When terminal device uses metal material
During electrolyte cell lid, the output of control circuit 13 first is detected to switching circuit 14, and controls the metal material that switching circuit 14 is switched to
Corresponding second antenna match 16 of electrolyte cell lid.
In the present embodiment, detection signal first can be transferred to control circuit 13 radio circuit, produce I/O controls by radio circuit
Order processed works controlling switching circuit 14, when this mode can realize that terminal device uses certain material battery cover, according to letter
Number different frequency range realizes the regulation of antenna performance using different antenna-matching circuits, so as to improve antenna performance.
In above-described embodiment, battery cover material at least includes two kinds of plastic material and metal material, it is also possible to comprising other
The material of different electric conductivities, does not specifically limit.
In above-described embodiment, the selection for switching switch is according to terminal device battery cover material number of species and certain material
Depending on the match circuit quantity of the lower antenna performance for meeting all signal frequency ranges.
Prior art is different from, inventive antenna coalignment and communication equipment are using detection electric circuit inspection terminal device
Battery cover material simultaneously exports the detection signal of corresponding battery cover material to control circuit, and controls radio circuit using corresponding detection
The pattern work of signal, radio circuit further control the antenna-matching circuit that switching circuit switches to corresponding detection signal；Or
Control circuit directly controls the antenna-matching circuit that switching circuit switches to the correspondingly detection signal.To realize that terminal device makes
During with unlike material battery cover, antenna performance is improved using with current antenna signal compared with the match circuit for mating, so as to improve
The communication quality of terminal device.
When inventive antenna coalignment and communication equipment can also realize that terminal device uses certain material battery cover, according to
Signal different frequency range realizes the regulation of antenna performance using different antenna-matching circuits, linear so as to further improve day
Energy.
Embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is included within the scope of the present invention.
Claims (10)
1. a kind of antenna matching unit, it is characterised in that
Including：Detection circuit, control circuit, radio circuit, at least switching circuit, first antenna match circuit and the second antenna
With circuit and antenna；
Detection circuit, the radio circuit are connected with the control circuit, the switching circuit and the radio circuit
Or the control circuit connects, at least first antenna match circuit and the second antenna-matching circuit are respectively by the switching
Circuit is coupled with the antenna selectivities；
Wherein, the detection circuit is the detection signal for detecting battery cover material and exporting corresponding battery cover material；
The control circuit receives the detection signal, and controls pattern of the radio circuit using the corresponding detection signal
Work；
The radio circuit further controls the first antenna that the switching circuit switches to the correspondingly detection signal
With circuit or the second antenna-matching circuit；Or the control circuit directly controls the switching circuit and switches to the correspondingly detection
The first antenna match circuit of signal or the second antenna-matching circuit.
2. antenna matching unit according to claim 1, it is characterised in that include：
The control circuit is battery management circuit.
3. antenna matching unit according to claim 1, it is characterised in that include：
When the detection electric circuit inspection is conductive material to the battery cover, the first detection letter of the corresponding conductor battery cover of output
Number；
When the detection electric circuit inspection is isolation material to the battery cover, the second detection letter of the battery cover that correspondingly insulate is exported
Number.
4. the antenna matching unit according to any one of claims 1 to 3, it is characterised in that
The detection circuit supports the battery cover, the battery cover ground connection, the bullet pin/high electricity of piece output by playing pin/piece
Flat；
The voltage of pin/piece is played described in the detection electric circuit inspection, and when the voltage for detecting is high level, output represents institute
The detection signal that battery cover is isolation material is stated, when the voltage for detecting is low level, output represents the battery cover
Detection signal for conductive material.
5. the antenna matching unit according to any one of claims 1 to 3, it is characterised in that
When the radio circuit controls the switching circuit, the radio circuit is receiving the control circuit
First control signal, and I/O control commands are produced, control the switching circuit and switch to the first antenna coupling electricity
Road；Or the second control signal of the control circuit is received, and the 2nd I/O control commands are produced, control the switching circuit
Switch to second antenna-matching circuit.
6. the antenna matching unit according to any one of claims 1 to 3, it is characterised in that include：
The control end pin of the switching circuit is connected in the ground feed pin of the antenna, and the two of the switch terminal of the switching circuit
Individual pin is connected with second antenna-matching circuit with the first antenna match circuit respectively, the first antenna coupling electricity
Road is grounded respectively with second antenna-matching circuit, and the control end pin of the switching circuit connects the radio circuit or institute
State control circuit；
Or, two pins of the switch terminal of the switching circuit respectively with the first antenna match circuit with described second day
Lines matching circuit connects, feeder line of the first antenna match circuit with second antenna-matching circuit respectively with the antenna
Connection, the control end pin of the switching circuit connect the radio circuit or the control circuit.
7. a kind of communication equipment, it is characterised in that
Including battery cover and the antenna matching unit；
Wherein, the antenna matching unit includes：Detection circuit, control circuit, radio circuit, switching circuit, at least first day
Lines matching circuit and the second antenna-matching circuit and antenna；
Detection circuit, the radio circuit are connected with the control circuit, the switching circuit and the radio circuit
Or the control circuit connects, at least first antenna match circuit and the second antenna-matching circuit are respectively by the switching
Circuit is coupled with the antenna selectivities；
Wherein, the detection circuit is the detection battery cover material the detection signal for exporting the correspondingly battery cover material；
The control circuit receives the detection signal, and controls pattern of the radio circuit using the corresponding detection signal
Work；
The radio circuit further controls the first antenna that the switching circuit switches to the correspondingly detection signal
With circuit or the second antenna-matching circuit；Or the control circuit directly controls the switching circuit and switches to the correspondingly detection
The first antenna match circuit of signal or the second antenna-matching circuit.
8. communication equipment according to claim 7, it is characterised in that include：
When the detection electric circuit inspection is conductive material to the battery cover, the first detection letter of the corresponding conductor battery cover of output
Number；
When the detection electric circuit inspection is isolation material to the battery cover, the second detection letter of the battery cover that correspondingly insulate is exported
Number.
9. the communication equipment according to claim 7 or 8 any one, it is characterised in that
The control circuit is battery management circuit；
The detection circuit supports the battery cover, the battery cover ground connection, the bullet pin/high electricity of piece output by playing pin/piece
Flat；
The voltage of pin/piece is played described in the detection electric circuit inspection, and when the voltage for detecting is high level, output represents institute
The detection signal that battery cover is isolation material is stated, when the voltage for detecting is low level, output represents the battery cover
Detection signal for conductive material；
When the radio circuit controls the switching circuit, the radio circuit is receiving the control circuit
First control signal, and I/O control commands are produced, control the switching circuit and switch to the first antenna coupling electricity
Road；Or the second control signal of the control circuit is received, and the 2nd I/O control commands are produced, control the switching circuit
Switch to second antenna-matching circuit.
10. the communication equipment according to claim 7 or 8, it is characterised in that include：
The control end pin of the switching circuit is connected in the ground feed pin of the antenna, and the two of the switch terminal of the switching circuit
Individual pin is connected with second antenna-matching circuit with the first antenna match circuit respectively, the first antenna coupling electricity
Road is grounded respectively with second antenna-matching circuit, and the control end pin of the switching circuit connects the radio circuit or institute
State control circuit；
Or, two pins of the switch terminal of the switching circuit respectively with the first antenna match circuit with described second day
Lines matching circuit connects, the feedback for stating first antenna match circuit with second antenna-matching circuit respectively with the antenna
Line connects, and the control end pin of the switching circuit connects the radio circuit or the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858268.8A CN106506028A (en) | 2016-09-28 | 2016-09-28 | A kind of antenna matching unit and communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610858268.8A CN106506028A (en) | 2016-09-28 | 2016-09-28 | A kind of antenna matching unit and communication equipment |
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| CN106506028A true CN106506028A (en) | 2017-03-15 |
Family
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| CN201610858268.8A Pending CN106506028A (en) | 2016-09-28 | 2016-09-28 | A kind of antenna matching unit and communication equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109755748A (en) * | 2019-01-21 | 2019-05-14 | 联想(北京)有限公司 | Electronic equipment |
| CN110061753A (en) * | 2019-05-22 | 2019-07-26 | 南京铁道职业技术学院 | A kind of antenna-matching circuit device and communication equipment |
| CN111525265A (en) * | 2020-05-22 | 2020-08-11 | 闻泰通讯股份有限公司 | Antenna tuning system, electronic equipment and antenna tuning method |
| WO2023005712A1 (en) * | 2021-07-28 | 2023-02-02 | 华为技术有限公司 | Wearable electronic device module, casing and wearable electronic device |
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| JP2004072548A (en) * | 2002-08-08 | 2004-03-04 | Hitachi Ltd | High frequency amplifier |
| CN1615039A (en) * | 2003-11-06 | 2005-05-11 | 明基电通股份有限公司 | Switching antenna matching system of turn-over mobile apparatus |
| CN201947322U (en) * | 2011-01-11 | 2011-08-24 | 惠州Tcl移动通信有限公司 | Mobile phone |
| CN102694904A (en) * | 2011-03-22 | 2012-09-26 | 联想(北京)有限公司 | Method and apparatus for switching states, and mobile terminal |
| CN103248409A (en) * | 2012-02-01 | 2013-08-14 | 启碁科技股份有限公司 | Antenna device and antenna switching circuit |
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| CN110061753A (en) * | 2019-05-22 | 2019-07-26 | 南京铁道职业技术学院 | A kind of antenna-matching circuit device and communication equipment |
| CN110061753B (en) * | 2019-05-22 | 2024-06-07 | 南京铁道职业技术学院 | Antenna matching circuit device and communication equipment |
| CN111525265A (en) * | 2020-05-22 | 2020-08-11 | 闻泰通讯股份有限公司 | Antenna tuning system, electronic equipment and antenna tuning method |
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