CN109672027A - Multimode antenna device - Google Patents
Multimode antenna device Download PDFInfo
- Publication number
- CN109672027A CN109672027A CN201910034122.5A CN201910034122A CN109672027A CN 109672027 A CN109672027 A CN 109672027A CN 201910034122 A CN201910034122 A CN 201910034122A CN 109672027 A CN109672027 A CN 109672027A
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- Prior art keywords
- antenna
- wireless module
- multiplexer
- switching circuit
- multimode
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- 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
- H04B1/401—Circuits for selecting or indicating operating mode
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The application discloses a kind of multimode antenna device, including wireless module, multiplexer, switching circuit and antenna；Wireless module includes at least two wireless module；Each first choice end of the combining end connection antenna of multiplexer, each branch end and switching circuit connects one to one；Each second selection end of switching circuit connects one to one with each wireless module, and control terminal is for connecting processor.When connection being connected between multiplexer and the corresponding port of wireless module, the radiofrequency signal exported can be passed through multiplexer mixed transfer to antenna by each wireless module, realize multi-channel data transmission, pass through multiple wireless module common antenna, reduce device volume, so that power business terminal can be realized multi-channel data transmission under the premise of not changing structure snd size, through the multimode antenna device of each embodiment of the application, the reliability of business data transmission is improved.
Description
Technical field
The present invention relates to antenna technical fields, more particularly to a kind of multimode antenna device.
Background technique
Wireless communication terminal is widely used in electric system to transmit data, especially in adapted electrical domain, usually using public
Cordless communication network or private radio communication network are total to carry various businesses.Due to the characteristic of power business, to data
All there is higher requirement in safety, reliability and real-time.And the characteristic of cordless communication network, it is single to expire
The requirement of sufficient electric power various businesses.Therefore, electric system can improve the reliable of business transmission by the way of wireless multi-channel
Property and real-time.Currently, communication module requires the inside of insertion power business equipment in adapted electricity business scenario, or
It is installed in existing cabinet.
During realization, inventor has found that at least there are the following problems in traditional technology: using traditional wireless multi-pass
When the communication module of road mode transmits data, the antenna volume of usual communication module is big, it is difficult to meet existing power business terminal
The structure snd size of (such as power concentrator, negative control terminal or distribution transformer terminals).
Summary of the invention
Based on this, it is necessary to for the big problem of the antenna volume of traditional communication module, provide a kind of multimode antenna device.
To achieve the goals above, the embodiment of the invention provides a kind of multimode antenna devices, including wireless module, multiplexing
Device, switching circuit and antenna；Wireless module includes at least two wireless module；
Each first choice end of the combining end connection antenna of multiplexer, each branch end and switching circuit connects one to one；
Each second selection end of switching circuit connects one to one with each wireless module, and control terminal is for connecting processor.
Multiplexer is power splitter or combiner in one of the embodiments,.
Switching circuit is relay or switching selector in one of the embodiments,.
Wireless module is electric power LTE private network wireless communication module, 4G module or GPRS communication in one of the embodiments,
Module.
Antenna is entity antenna or carrying antenna in one of the embodiments,.
Entity antenna is single whip single antenna or more whip single antennas in one of the embodiments,.
The antenna element that antenna includes substrate and is mounted on substrate is carried in one of the embodiments,；
The combining end of antenna element connection multiplexing device.
Further include in one of the embodiments, the first choice end for being connected to switching circuit and multiplexer branch end it
Between first filter.
It in one of the embodiments, further include the second filter being connected between the combining end of multiplexer and antenna.
First filter is LC mode filter in one of the embodiments,；Second filter is LC mode filter.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
Combining end based on multiplexer connects antenna, each first choice end one-to-one correspondence company at each branch end and switching circuit
It connects；Each second selection end of switching circuit connects one to one with each wireless module, and control terminal is for connecting processor.By cutting
It changes and is electrically connected between multiplexer and wireless module, processor can control switching circuit conducting multiplexer corresponding to wireless module
Connection between port；When connection being connected between multiplexer and the corresponding port of wireless module, each wireless module can will be exported
Radiofrequency signal by multiplexer mixed transfer to antenna, realize multi-channel data transmission, pass through multiple wireless modules and share day
Line reduces device volume, so that power business terminal is respectively implemented under the premise of not changing structure snd size, through the application
The multimode antenna device of example can be realized multi-channel data transmission, improve the reliability of business data transmission.
Detailed description of the invention
Fig. 1 is the first structure diagram of multimode antenna device in one embodiment；
Fig. 2 is the second structural schematic diagram of multimode antenna device in one embodiment；
Fig. 3 is the third structural schematic diagram of multimode antenna device in one embodiment；
Fig. 4 is the circuit theory schematic diagram of mixed transfer in one embodiment；
Fig. 5 is the circuit theory schematic diagram for switching transmission in one embodiment；
Fig. 6 is the first equivalent structure schematic diagram of multimode antenna device in one embodiment；
Fig. 7 is the second equivalent structure schematic diagram of multimode antenna device in one embodiment；
Fig. 8 is the third equivalent structural schematic diagram of multimode antenna device in one embodiment；
Fig. 9 is the 4th equivalent structure schematic diagram of multimode antenna device in one embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Antenna volume in order to solve the problems, such as traditional communication module is big, and the embodiment of the present application provides a kind of multimode antenna
Device, Fig. 1 are the first structure diagram of multimode antenna device in one embodiment.As shown in Figure 1, include wireless module 110,
Multiplexer 120, switching circuit 130 and antenna 140；Wireless module 110 includes at least two wireless module 112.
Each first choice end of the combining end connection antenna 140 of multiplexer 120, each branch end and switching circuit 130 is one by one
It is correspondingly connected with；Each second selection end of switching circuit 130 connects one to one with each wireless module 112, and control terminal is for connecting
Processor.
Wherein, wireless module 110 refers to the mould group being made of multiple wireless modules 112.Wireless module 112 refers to nothing
Line communication module can determine the type of wireless communication module according to different frequency ranges and different standards.Multiplexer 120 refers to
It can will be divided into two-way or the equal or unequal energy of multiple-channel output by input signal energy all the way, multiple signals energy can also be synthesized
The device exported all the way.Switching circuit 130 can be used to be connected the connection between wireless module and multiplexer；Switching circuit 130 can
For the connection between any number of wireless module 112 and multiplexer 120 is connected.Such as wireless module 110 includes 2 wireless
Module 112 controls switching circuit 130 by processor, can be respectively turned between 2 wireless modules 112 and multiplexer 120
Connection.Antenna 140 refers to radiate or receiving the device of electromagnetic wave, such as antenna 140 can transmit wireless module 112
Radiofrequency signal is converted to electromagnetic wave, and radiated electromagnetic wave.Processor can be single-chip microcontroller.
Specifically, switching circuit 130 may include multiple first choice ends and multiple second selections end, such as first choice end
Quantity it is identical as the quantity of wireless module 112；The quantity at the second selection end is identical as the quantity of wireless module 112, and each first
Selection end can be corresponded with each second selection end to be connected.The on-off that switching circuit 130 is controlled by processor, can be connected switching
The first choice end of circuit 130 selects end with the second of corresponding switching circuit 130；The first of switching circuit 130 can also be disconnected
Select the connection between end and the second selection end of corresponding switching circuit 130.By each branch end of multiplexer 120 and switching electricity
Each first choice end on road 130 connects one to one, and the combining end of multiplexer 120 connects antenna 140, switching circuit 130 it is each
Second selection end connects one to one with each wireless module 112, and the control terminal of switching circuit 130 connects processor.And then locating
When managing the first connecting pin of device control switching circuit 130 with the conducting of the second connection end of corresponding switching circuit 130, i.e. connection should
The wireless module 112 and multiplexer 120 of second connection end are connected.Each wireless module 112 be accordingly connected can be respectively by radio frequency
Signal is transferred to multiplexer 120, and by 120 mixed transfer of multiplexer to antenna 140, antenna 140 is to the radiofrequency signal received
Carry out converted radiation electromagnetic wave；The electromagnetic wave received can also be converted to radiofrequency signal by wireless module 112, and by radiofrequency signal
It is transferred to multiplexer 120, is exported by 120 branch of multiplexer to corresponding wireless module 112.Pass through multiple wireless modules 112
Common antenna 140 realizes the transmission of multi-channel data, reduces device volume.
For example, wireless module 110 is 2 wireless modules 120；Switching circuit 130 includes 2 first choice ends and 2 the
Two selection ends, first choice end is corresponded with the second selection end to be connected；Multiplexer 120 includes 2 branch ends.Processor control
Switching circuit 130 is connected the connection between first choice end and the second selection end, and then wireless module 112 and multiplexer is connected
Connection between 120.Respectively by radio signal transmission to multiplexer 120, multiplexer 120 will receive each wireless module 112
Radiofrequency signal is carried out converted radiation to antenna 140, by antenna 140 by radiofrequency signal combining output, realizes that double-channel data passes
It is defeated；An antenna 140 is shared by double wireless modules 112, the volume of antenna assembly is reduced, reduces costs.
In above-mentioned multimode antenna device, combining end based on multiplexer connects antenna, each branch end and switching circuit
Each first choice end connects one to one；Each second selection end of switching circuit connects one to one with each wireless module, controls
End is for connecting processor.It is connected between multiplexer and wireless module by switching circuit, processor can control switching circuit
The connection between multiplexer and wireless module corresponding port is connected；The company of conducting between multiplexer and the corresponding port of wireless module
When connecing, the radiofrequency signal exported can be passed through multiplexer mixed transfer to antenna by each wireless module, realize multi-channel data transmission,
By multiple wireless module common antenna, reduce device volume, so that power business terminal is not changing structure snd size
Under the premise of, multi-channel data transmission can be realized by the multimode antenna device of each embodiment of the application, improve business datum
The reliability of transmission.
In one embodiment, multiplexer is power splitter or combiner.
Wherein, power splitter refers to for input signal energy being all the way divided into two-way or the equal or unequal energy of multiple-channel output
Device.Combiner refers to that the signal energy for inputting two-way or multichannel synthesizes the device exported all the way.
Specifically, when multiplexer is power splitter, combining end based on power splitter connects antenna, each branch end of power splitter with
Each first choice end of switching circuit connects one to one；Each second selection end of switching circuit and each wireless module correspond
Connection, control terminal connect processor.When connection being connected between power splitter and the corresponding port of wireless module, antenna can will be received
To electromagnetic wave be converted to radiofrequency signal, and radiofrequency signal is exported by power splitter branch to corresponding wireless mould
Block realizes that multi-channel data transmission reduces device volume by multiple wireless module common antenna.
When multiplexer is combiner, the combining end based on combiner connects antenna, each branch end of combiner and switching electricity
Each first choice end on road connects one to one；Each second selection end of switching circuit connects one to one with each wireless module,
Control terminal connects processor.When connection being connected between combiner and the corresponding port of wireless module, each wireless module can will be defeated
Radiofrequency signal out, to antenna, radiates the radiofrequency signal received by wireless module by combiner mixed transfer,
Realize that multi-channel data transmission reduces device volume by multiple wireless module common antenna.
In one embodiment, switching circuit is relay or switching selector.
Specifically, relay may include multiple groups contact, and one group of contact includes a first choice end and one second selection
End；Such as relay can be multicircuit relay.Processor can control the on-off of each group contact of relay, that is, realize control the
On-off connection between one selection end and the second selection end.Switching selector may include multiple selection switches, selection switch connection
Between first choice end and the second selection end.The selection of processor controllable switch selector switches on-off, and then realizes
Control the channel connection between first choice end and the second selection end.Each wireless module and multiplexing can be connected by switching circuit
Conducting multi-channel data transmission channel is realized in connection between device, and then each wireless module can simultaneously pass through radiofrequency signal again
It is transferred to antenna with device, realizes each wireless module common antenna, and then reduce device volume；It can also be cut by switching circuit
The connection be connected between any one wireless module and multiplexer is changed, realizes and any one circuit-switched data transmission channel, Jin Erwu is connected
Radiofrequency signal can be transferred to antenna by multiplexer simultaneously by wire module, be generated when avoiding multiple radiofrequency signal simultaneous transmissions
Co-channel interference.
In one embodiment, wireless module be electric power LTE (Long Term Evolution, long term evolution) private network without
(the 4th Generation mobile communication technology, forth generation are mobile logical by line communication module, 4G
Letter technology) module or GPRS (General Packet Radio Service: general packet radio service technology) communication module.
Specifically, electric power LTE private network wireless communication module refers to the communication mould of the electric power wireless private network based on LTE standard
Block, such as electric power LTE private network wireless communication module can be the communication module of the circuit wireless private network based on LTE230.4G module
The 4G module that can be TD-LTE standard is also possible to the 4G module of FDD-LTE standard.It should be noted that wireless module is also
It can be 5G (the 5th Generation mobile communication technology, the 5th third-generation mobile communication skill
Art) module or 3G (the 3rd Generation mobile communication technology, 3G (Third Generation) Moblie
Technology) module.
In one embodiment, antenna is entity antenna or carrying antenna.
Specifically, entity antenna refers to that antenna only comprising antenna body, entity antenna can be without carrying to base
Metallic circuit on plate.Carry antenna refer to include substrate and the antenna body being mounted on substrate antenna.
In a specific embodiment, entity antenna is single whip single antenna or more whip single antennas.
Specifically, single whip single antenna refers to antenna only comprising an antenna body.More whip single antennas refer to
Antenna comprising mutiple antennas ontology, the mutiple antennas Ontology integration of more whip single antennas is in a shell.By by antenna
Structure be designed to the structure of single whip single antenna or more whip single antennas, the volume of antenna assembly can be reduced.
In a specific embodiment, the antenna element that antenna includes substrate and is mounted on substrate is carried；Antenna
The combining end of unit connection multiplexing device.
Specifically, substrate can be pcb board (Printed Circuit Board, printed circuit board).What antenna element referred to
It is antenna body.By the combiner of antenna element connection multiplexing device, and then the radiofrequency signal that each wireless module transmits can be passed through
Multiplexer is transferred to antenna element, is radiated by antenna element.By the way that the structure of antenna is designed to that antenna element carries
Structure on substrate can further decrease the volume of antenna assembly.
In one embodiment, as shown in Fig. 2, providing a kind of multimode antenna device, including wireless module 110, multiplexing
Device 120, switching circuit 130 and antenna 140；Wireless module 110 includes at least two wireless module 112.It further include being connected to switching
First filter 150 between the first choice end of circuit 130 and the branch end of multiplexer 120.
Specifically, first filter 150 can be used to be filtered the radiofrequency signal that wireless module 112 exports, so that respectively
The radio frequency signal frequency that wireless module 112 exports is consistent, and then multiplexer 120 can believe each filtered radio frequency received
Number combining output to antenna 140.By being connected between the first choice end of switching circuit 130 and the branch end of multiplexer 120
First filter 150, so it is capable of realizing impedance matching, and the radiofrequency signal that each wireless module 112 is exported passes simultaneously
Antenna 140 is transported to, realizes that multiple wireless modules 112 share an antenna 140, and then the volume of antenna assembly can be reduced, simultaneously
Improve the reliability of business data transmission.
In a specific embodiment, first filter is LC mode filter (L refers to that inductance, C refer to capacitor).
Specifically, LC mode filter can be pi type filter.Wherein pi type filter is by two capacitors and an inductance
Device connection composition.
In one embodiment, as shown in figure 3, providing a kind of multimode antenna device, including wireless module 110, multiplexing
Device 120, switching circuit 130 and antenna 140；Wireless module 110 includes at least two wireless module 112.It further include being connected to multiplexing
Second filter 160 between the combining end of device 120 and antenna 140.
Specifically, the radiofrequency signal that second filter 160 can be used to be combined multiplexer 120 output is filtered, and is filtered
The noise signal generated during radio signal transmission, and then can be by filtered radio signal transmission to antenna 140.By
Second filter 160 is connected between the combining end and antenna 140 of multiplexer 120, improves signal transmission quality, and then realizing
Multiple wireless modules 112 share an antenna 140, while improving the reliability of signal transmission.
In a specific embodiment, second filter is LC mode filter (L refers to that inductance, C refer to capacitor).
Specifically, LC mode filter can be pi type filter.Wherein pi type filter is by two capacitors and an inductance
Device connection composition.
In above-mentioned multimode antenna device, it is connected between multiplexer and wireless module by switching circuit, processor is controllable
Connection between switching circuit conducting multiplexer processed and wireless module corresponding port；In the corresponding port of multiplexer and wireless module
Between when connection is connected, each wireless module can by the radiofrequency signal exported by multiplexer mixed transfer to antenna, realize multi-pass
Track data transmission, by multiple wireless module common antenna, reduces device volume, so that power business terminal is not changing knot
Under the premise of structure and size, multi-channel data transmission can be realized by the multimode antenna device of each embodiment of the application, improve
The reliability of business data transmission.
In one embodiment, a kind of multimode antenna device is provided, as shown in figure 4, passing for the combining of multimode antenna device
Defeated circuit theory schematic diagram.Wherein, wireless module includes the first wireless module and the second wireless module.
Specifically, the end P1 is for connecting the first wireless module, and the end P2 is for connecting the second wireless module, and the end J1 is for connecting
Antenna.The radiofrequency signal received is filtered frequency modulation, the radiofrequency signal that the end P2 will receive by first filter by the end P1
It is filtered frequency modulation by first filter, so that the frequency one after the filtered signal in the end P1 and the filtered signal in the end P2
It causes, and then gives combining output after the filtered signal in the end P1 and the filtered signal in the end P2 to the end J1.
It should be noted that the capacitor in first filter can be high frequency Leaded Ceramic Disc Capacitor；Inductance in first filter
It can be and wind composition on the bit sub that diameter is 5 millimeters with 0.8 millimeter of enameled wire.
In one embodiment, a kind of multimode antenna device is provided, as shown in figure 5, passing for the switching of multimode antenna device
Defeated circuit theory schematic diagram.Wherein, wireless module includes the first wireless module and the second wireless module；Switching circuit may include
Single-pole double-throw switch (SPDT) K1.
Specifically, the end P1 is for connecting the first wireless module, and the end P2 is for connecting the second wireless module, and the end J1 is for connecting
Antenna, the end M1 is for connecting processor.The end P1 connects the second connection end of switching circuit, and the end P2 connects another of switching circuit
Second connection end；First connecting pin of switching circuit connects the end J1 by first filter；The control terminal of switching circuit connects M1
End.By controlling the switching of single-pole double-throw switch (SPDT) K1, so that the end P2 is led when the disconnection of the end P2 or the end P1 disconnect when the end P1 is connected
It is logical.What antenna generated when avoidable first wireless module and the second wireless module work at the same time in turn interferes with each other.
In one embodiment, a kind of multimode antenna device is provided, wherein wireless module includes 2 wireless modules (the
One wireless module and the second wireless module)；Antenna is single whip single antenna；Multiplexer is combiner；Processor control switching electricity
The connection between the first connecting pin and second connection end is connected in road.As shown in fig. 6, being the equivalent schematic of multimode antenna device.
Specifically, the first wireless module can connect a branch end of combiner by feeder line；Second wireless module can lead to
Cross another branch end of feeder line connection multiplexing device；The combining end of combiner can connect single whip single antenna by feeder line.First
Radiofrequency signal can be transferred to single whip single antenna by combiner by wireless module, and the second wireless module can pass through radiofrequency signal
Combiner is transferred to single whip single antenna.In such a way that single antenna shares, reduce the volume of device, so that existing electric power
Service terminal can realize that double-channel data transmits under the premise of not changing structure and size by way of upgrade communication module,
Improve the reliability of business data transmission.
In one embodiment, a kind of multimode antenna device is provided, wherein wireless module includes 2 wireless modules (the
One wireless module and the second wireless module)；Antenna is to carry antenna, and carrying antenna includes an antenna element；Multiplexer is to close
Road device；Processor controls the connection between switching circuit the first connecting pin of conducting and second connection end.As shown in fig. 7, being multimode
The equivalent schematic of antenna assembly.
Specifically, a branch end of the first wireless module connection combiner, one of the first wireless module and combiner
A first filter is connected between branch end；Another branch end of second wireless module connection multiplexing device, second is wireless
A first filter is connected between module and the branch end of combiner；The combining end of combiner can be connected by feeder line and be carried
The antenna element of antenna.First wireless module is transferred to combining after radiofrequency signal being carried out impedance matching by first filter
Device, and by combiner mixed transfer to antenna element；Second wireless module can be carried out radiofrequency signal by first filter
Combiner is transferred to after impedance matching, and by combiner mixed transfer to antenna element.Single antenna share by way of with
And the structure design of antenna is carried, reduce the volume of device；By the impedance matching of first filter, and then reduce multiple
The co-channel interference of the generation of radiofrequency signal simultaneous transmission improves the stability of signal transmission.
In one embodiment, a kind of multimode antenna device is provided, wherein wireless module includes 2 wireless modules (the
One wireless module and the second wireless module)；Antenna is double whip single antennas, and double whip single antennas include first antenna main body and the
Two antenna bodies；Processor controls the connection between switching circuit the first connecting pin of conducting and second connection end；First wireless mould
Block can be directly connected to first antenna main body, and the second wireless module can be directly connected to the second antenna body.As shown in figure 8, being multimode
The equivalent schematic of antenna assembly.
Specifically, the first wireless module can be directly connected to first antenna main body by feeder line, and the second wireless module can pass through
Feeder line is directly connected to the second antenna body.Such as first wireless module pass through the antenna bases of double whip single antennas and connect first day
Line main body, the antenna base that the second wireless module passes through double whip single antennas connect the second antenna body, and the first wireless module can
Radiofrequency signal is transferred directly to first antenna main body to radiate, radiofrequency signal can be transferred directly to by the second wireless module
Two antenna bodies are radiated, and avoid the first wireless module and when the second wireless module works at the same time existing co-channel interference；
Using antenna using the structure design of double whip single antennas, the volume of device is reduced.
In one embodiment, a kind of multimode antenna device is provided, wherein wireless module includes 2 wireless modules (the
One wireless module and the second wireless module)；Antenna is to carry antenna, and carrying antenna includes first antenna unit and the second antenna list
Member；Processor controls the connection between switching circuit the first connecting pin of conducting and second connection end；First wireless module can be direct
First antenna unit is connected, the second wireless module can be directly connected to the second antenna element.As shown in figure 9, being multimode antenna device
Equivalent schematic.
Specifically, the first wireless module can be directly connected to first antenna unit by feeder line, and the second wireless module can pass through
Feeder line is directly connected to the second antenna element.Radiofrequency signal can be transferred directly to first antenna unit and carry out spoke by the first wireless module
It penetrates, radiofrequency signal can be transferred directly to the second antenna element and radiated by the second wireless module, avoid the first wireless module
Existing co-channel interference when being worked at the same time with the second wireless module；Using antenna using the structure design for carrying antenna, reduce
The volume of device.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of multimode antenna device, which is characterized in that including wireless module, multiplexer, switching circuit and antenna；It is described wireless
Mould group includes at least two wireless module；
The combining end of the multiplexer connects the antenna, each first choice end one-to-one correspondence company at each branch end and switching circuit
It connects；
Each second selection end of the switching circuit connects one to one with each wireless module, and control terminal is handled for connection
Device.
2. multimode antenna device according to claim 1, which is characterized in that the multiplexer is power splitter or combiner.
3. multimode antenna device according to claim 1, which is characterized in that the switching circuit is relay or switch choosing
Select device.
4. multimode antenna device according to claim 1, which is characterized in that the wireless module be electric power LTE private network without
Line communication module, 4G module or GPRS communication module.
5. multimode antenna device according to claim 1, which is characterized in that the antenna is entity antenna or carrying day
Line.
6. multimode antenna device according to claim 5, which is characterized in that the entity antenna be single whip single antenna or
More whip single antennas.
7. multimode antenna device according to claim 5, which is characterized in that the carrying antenna includes substrate and carrying
Antenna element on the substrate；
The antenna element connects the combining end of the multiplexer.
8. according to claim 1 to multimode antenna device described in 7 any one, which is characterized in that further include be connected to it is described
First filter between the first choice end of switching circuit and the branch end of the multiplexer.
9. multimode antenna device according to claim 8, which is characterized in that further include the combining for being connected to the multiplexer
Second filter between end and the antenna.
10. multimode antenna device according to claim 9, which is characterized in that the first filter is LC mode filter；
The second filter is LC mode filter.
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| CN201910034122.5A CN109672027A (en) | 2019-01-15 | 2019-01-15 | Multimode antenna device |
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| CN201910034122.5A CN109672027A (en) | 2019-01-15 | 2019-01-15 | Multimode antenna device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112469110A (en) * | 2020-10-30 | 2021-03-09 | 中通服建设有限公司 | Communication equipment of electric power information acquisition system |
| WO2022042426A1 (en) * | 2020-08-31 | 2022-03-03 | 中兴通讯股份有限公司 | Multi-link device, communication method, and storage medium |
| CN114513233A (en) * | 2022-02-18 | 2022-05-17 | 广东韶钢松山股份有限公司 | Multi-antenna combining device and system |
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