CN207114630U - A kind of Beidou communication terminal and concentrator - Google Patents
A kind of Beidou communication terminal and concentrator Download PDFInfo
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- CN207114630U CN207114630U CN201720564020.0U CN201720564020U CN207114630U CN 207114630 U CN207114630 U CN 207114630U CN 201720564020 U CN201720564020 U CN 201720564020U CN 207114630 U CN207114630 U CN 207114630U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses a kind of Beidou communication terminal and concentrator, the Beidou communication terminal includes the embedded Beidou communication module and external antenna that can be embedded in concentrator, is connected between the embedded Beidou communication module and external antenna by a radio frequency coaxial-cable.In embodiment of the present utility model, realize application of the embedded Beidou communication module on concentrator platform, ensure to Big Dipper RDSS signal sending and receiving functions, and the receive capabilities to Big Dipper RNSS signals under the conditions of low-power consumption, while also ensured and the power supply for being circumscribed with source antenna is supplied.
Description
Technical field
It the utility model is related to communication technical field, and in particular to a kind of Beidou communication terminal and concentrator.
Background technology
Concentrator is key equipment in automatic meter reading system, possesses power industry concentrator pattern specification " Q/
GDW1375.22013 power user power consumption information acquisition system pattern specification part 2s：Concentrator pattern specification ", by concentrator
Pattern code requirement, concentrator use modularized design, generally comprise display portion, Local Communication Module and telecommunication mould
Block, display portion are fixed, and Local Communication Module and remote communication module can replace, Local Communication Module and telecommunication mould
Block can directly change communication mode by changing communication module.Concentrator Local Communication Module can be automatic by down channel
Copy and accept and store the electric quantity data of the various communication terminals (such as ammeter etc.) with carrier communication function, its down channel can be with
It is the communication modes such as low voltage power line carrier (narrowband carrier, bandwidth carrier etc.), short-distance wireless and RS485, it is therefore, local logical
Letter module includes the Local Communication Module based on narrowband carrier communication, the Local Communication Module based on bandwidth carrier communication, is based on
The Local Communication Module of short-distance wireless communication and the Local Communication Module based on RS485 communications；Concentrator remote communication module
It can carry out data exchange by up channel and main website, its up channel use common user network, support wireless public network (GSM,
GPRS, CDMA etc.), phone PSTN, Ethernet, the communication mode such as optical fiber, therefore remote communication module is included based on gsm communication
Remote communication module, based on GPRS communication remote communication module, the remote communication module based on cdma communication, based on Ethernet
The remote communication module of communication and remote communication module based on fiber optic communication etc..Remote communication module using the public network such as GPRS without
, there is the shortcomings of engineering construction cost is high, maintenance workload is big, Internet utilization fee is high in gauze network, remote communication module uses
, there is the network coverage in the public network wireless network such as GPRS, it is impossible to effectively solve the kilowatt meter in vast rural area and samll cities and towns area
Amount problem, cause meter reading success rate low.
70% client area does not possess communication port on electricity market at present, it is impossible to collects visitor by traditional communication passage
Family power supply state and power consumption information and the intelligent electricity consumption information acquisition system for uploading to administrative center of main website, and it is based on RDSS
The communication technology of (Radio Determination Satellite Service, radiodetermination-satellite service) can be fine
Solution this problem.Power system at present come managing customer power consumption and electricity consumption status information, passes through concentration using concentrator
Device is connected with user terminal ammeter, and the user power utilization information of collection is sent into intelligent electricity consumption information acquisition system by RDSS
System.
Fig. 1 is existing external hanging type RDSS terminal structure schematic diagrames, in the market using external hanging type RDSS communication module solutions
The data such as user power utilization amount are sent to external hanging type RDSS communications by certainly above mentioned problem, the remote communication module of concentrator by network
Module, data exchange is carried out by RDSS technologies and up main website by RDSS communication modules.Satellite-signal for RDSS technologies
Area coverage is wide, without laying cable, signal stabilization, can solve traditional concentrator remote communication module directly with up main website
Carry out the problem of data exchange is present.Remote communication module uses external hanging type RDSS terminals, due to being related to power cable, network
Cable and transmission cable etc. connect, and can cause electromagnetic compatibility technology problem, cause meter reading into the interference of signal and unstable.Adopt
Carry out continuous data upload with external hanging type RDSS terminals, there is also more problem, such as concentrator and plug-in RDSS terminals it
Between interactive signal it is more, between each other interference it is also bigger, electromagnetic compatibility difficulty is big；The power consumption of external hanging type RDSS terminals compared with
Greatly, it is impossible to directly use the interface power of concentrator remote communication module, the 220V power supplys of concentrator input can only be used, so
Electrical Safety be present, and cause the energy consumption to public electricity-using part, cause circuit data partial distortion.
Existing Big Dipper several piece module belongs to a kind of external hanging type RDSS terminals, and it can realize RDSS data transfers etc., but such as
What realizes that application of the Big Dipper signal on concentrator, and a kind of low-power-consumption embedded Beidou communication module need into one at present
Step further investigation.
Utility model content
The purpose of this utility model is, for it is above-mentioned the problem of, there is provided a kind of Beidou communication terminal and module and concentration
Device, low power consumption remote data transfer is realized using Big Dipper data link.
In order to realize the purpose of this utility model, the utility model provides a kind of Beidou communication terminal, including can be embedded in
The embedded Beidou communication module and external antenna of concentrator, lead between the embedded Beidou communication module and external antenna
Cross a radio frequency coaxial-cable connection.
The embedded Beidou communication module includes RDSS transmission circuits unit, broadband combiner unit, MCU control circuit list
Member and power supply processing unit, wherein：
The signal end of the RDSS transmission circuits unit is connected to the signal end of MCU control circuit unit and the broadband is closed
The signal end of road unit, the power end of the RDSS transmission circuits unit are connected with power supply processing unit；
The power end of the MCU control circuit unit is connected with power supply processing unit；
The broadband combiner unit is combined to the receiving and transmitting signal in the RDSS transmission circuits unit, is penetrated by one
High frequency coaxial cable connects with external antenna.
The embedded Beidou communication module also includes RNSS receiving circuit units, wherein：
The signal ends of the RNSS receiving units is connected to the signal end and broadband combiner unit of MCU control circuit unit
Signal end, the power end of the RNSS receiving units are connected with power supply processing unit；
The broadband combiner unit carries out signal combining to the RDSS transmission circuits unit and RNSS receiving circuit units,
Connected by a radio frequency coaxial-cable with external antenna.
Communicated between the RDSS transmission circuits unit and MCU control circuit unit by UART serial ports, serial ports association
View meets RDSS V2.1 agreements and 4.0 protocol requirements；And/or
Communicated between the RNSS receiving circuit units and MCU control circuit unit by UART serial ports, serial ports association
View meets NMEA-0183 protocol requirements.
The power supply processing unit includes power protection and current-limiting circuit, accumulator and power-switching circuit, described
Power protection and current-limiting circuit are connected to accumulator, and the accumulator is connected to power-switching circuit.
The external antenna includes：Antenna broadband combiner unit, antenna RDSS receiving circuit units, RDSS reception antennas,
Antenna RDSS radiating circuits unit and RDSS transmitting antennas；Antenna RDSS receiving circuit units and antenna RDSS radiating circuit lists
Member is connected after antenna broadband combiner unit is combined by radio frequency coaxial-cable with communication module, and the antenna RDSS connects
Receive circuit unit and be connected to RDSS reception antennas, the antenna RDSS radiating circuit units are connected to RDSS transmitting antennas.
The external antenna also includes：Antenna RNSS receiving circuit units, RNSS reception antennas and antenna power processing are single
Member, the antenna RNSS receiving circuit units are connected to RNSS reception antennas, and the antenna power processing unit is from the radio frequency
Coaxial cable is powered to active antenna；Wherein：
Antenna RNSS receiving circuit units, antenna RDSS receiving circuit units, antenna RDSS radiating circuit units are by day
Line width band combiner unit is connected after being combined by radio frequency coaxial-cable with communication module.
The external antenna is active antenna or passive antenna, and the active antenna is obtained based on the radio frequency coaxial-cable
Power taking source.
Accordingly, the utility model additionally provides a kind of concentrator, including display module, Local Communication Module and the Big Dipper
Communication terminal, the embedded Beidou communication module of the Beidou communication terminal are arranged on concentrator, the communication terminal it is embedding
Enter formula Beidou communication module to be connected with concentrator by the remote communication module interface of concentrator.
The embedded Beidou communication module is fixed on institute by way of embedding, snap connection, pasting or being fastenedly connected
State on the remote communication module interface of concentrator.
Compared with prior art, the beneficial effects of the utility model are：An only RF coaxial electricity can be passed through
Cable connects external antenna and the Beidou communication module being embedded on concentrator, not only realizes the low-power consumption of Beidou communication module,
And the data interaction system between concentrator and main website that function is passed based on Big Dipper number is realized with more simple mounting means
System.Meanwhile when being positioned with RNSS or timing function, accurate positioning and time service can be provided for concentrator and main station system
Information.Active antenna have radiofrequency signal is amplified, the function such as filtering process, reduce the interference suffered by radiofrequency signal,
Improve the receiving sensitivity of receives link and the emission effciency of transmitting chain；What is more important, utilize radio frequency coaxial-cable
Wide-band transmission effects, RDSS transceiving radio frequencies signal, RNSS reception signals can be combined transmission, not only reduce installation
Difficulty, cost is saved, and the various complex scene applications where concentrator can be applied to.The Big Dipper in communication terminal leads to
Letter module uses powered by direct current, and power supply is directly obtained from concentrator by the remote communication module interface of concentrator, without
Power cable is laid, is easily installed and safeguards, Beidou communication module solves RDSS circuits letter using accumulator storage electric energy
The problem of number T-time power is big, but externally fed power is inadequate, therefore, Beidou communication module can be by concentrator
Standard interface, an Embedded module is made, is embedded into concentrator, be compared to external hanging type RDSS communication modules, this reality
Safeguard that simply cost is low with the embedded RDSS communication modules installation of new proposition, more safety is easy-to-use.
Because Beidou communication module is connected with concentrator body by the interface of standard, avoid of the prior art plug-in
Water proofing property is poor, the cumbersome cable of assembling is numerous and diverse and electromagnetic interference is big caused by the multiple cable connections of use of formula RDSS communication modules
Deng the problem of, while it also avoid external hanging type RDSS communication modules of the prior art and pacified using electricity consumption caused by 220V voltages
Full property is low and the problem of module dissipation is big.And because Beidou communication module and external antenna are to only passing through a RF coaxial electricity
Cable connects, and improves the efficiency of assembling between part, simplifies the attended operation between part.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that existing external hanging type RDSS communication modules add concentrator application scheme structure principle chart；
Fig. 2 is the system architecture schematic diagram in the utility model concentrator；
Fig. 3 is the utility model Beidou communication terminal structure schematic diagram；
Fig. 4 is the functional schematic of the embedded Beidou communication module of the utility model；
Fig. 5 is the functional schematic of the embedded Beidou communication modular power source processing unit of the utility model；
Fig. 6 is the structural representation of the utility model external antenna；
Fig. 7 is the concentrator schematic diagram of the embedded Beidou communication module of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
In Chinese Patent Application No. be a kind of concentrator involved by 201620889115.5 and Chinese Patent Application No. is
In a kind of embedded RDSS communication modules involved by 201620889114.0, embedded RDSS communication modules phase is described in detail
Technology contents are closed, i.e., embedded RDSS communication modules include accumulator, power-switching circuit, RDSS circuits, control circuit, net
Each circuit embodiments such as network interface circuit, status display circuit and technology contents, it is possible to achieve low-power chip is on concentrator
Application.
The structure principle chart of involved concentrator, the concentrator include in Fig. 2：It is display module, Local Communication Module, embedding
Enter formula Beidou communication module, external antenna, wherein：On concentrator, the embedded Big Dipper leads to embedded Beidou communication Module-embedding
Letter module can also be only with RDSS functions or radionavigation-satellite service (Radio Navigation Satellite
System, RNSS) function or simultaneous with RDSS functions and RNSS functions.Embedded Beidou communication module is arranged on
On concentrator, embedded Beidou communication module is connected by the remote communication module interface of concentrator with concentrator.By embedded
The Beidou communication terminal of Beidou communication module and external antenna composition, between embedded Beidou communication module and external antenna only
Connected by a radio frequency coaxial-cable.Embedded Beidou communication module can be by embedding, snapping connection, pasting or fastening company
The mode connect is fixed on the remote communication module interface of the concentrator.This concentrator structure principle, that is, exist
The one kind of a kind of concentrator and Chinese Patent Application No. involved by 201620889114.0 involved by 201620889115.5
Involved antenna be external antenna in embedded RDSS communication modules, can also realize embedded RDSS communication modules with outside
Connect and connected by a radio frequency coaxial-cable between antenna.
The interface that the embedded Beidou communication module remote communication module that concentrator is equipped with compatible at present is docked with concentrator
And size, can as a standard Module-embedding into concentrator, can directly replace the telecommunication of existing concentrator
The data such as the user power utilization amount of collection are directly passed through concentrator telecommunication by module and external hanging type RDSS communication modules, concentrator
The double needle connector of module interface is sent to embedded Beidou communication module, and embedded Beidou communication inside modules will can be used
The data such as electricity are converted into the radiofrequency signal that satellite can receive, and by external antenna, are sent to satellite (such as with the short report of the Big Dipper
The form of text), the intelligent electricity consumption information acquisition system of up administrative center of main website is transmitted to by satellite.Embedded Beidou communication mould
Block can directly replace the telecommunication that concentrator is communicated in a manner of GSM/GPRS/CDMA/ phones PSTN/ Ethernets/optical fiber etc.
Module and external hanging type RDSS communication modules, integrated level is high, and cost is low, interface compatibility concentrator standard criterion, it is easy to installs, ties up
Shield is also simple.
Fig. 3 shows the Beidou communication terminal structure schematic diagram involved by the utility model embodiment, Beidou communication end
End includes：The Beidou communication module and external antenna of concentrator can be embedded in, is used between Beidou communication module and external antenna
The connection of piece radio frequency coaxial-cable, the radio frequency coaxial-cable can support RDSS signals, RNSS signals transmission and meanwhile support
The transmission of RDSS signals and RNSS signals, and when external antenna is active antenna, the radio frequency coaxial-cable pair can be based on
External antenna is powered.As can be seen here, application of the Beidou communication terminal on concentrator, a radio frequency coaxial-cable can only be passed through
Connection, you can realize that signal transmits, the power supply to active antenna can also be reached.
Certainly, between embedded Beidou communication module and external antenna between at most use two cable connections, the cable can
Radio frequency coaxial-cable is thought, it is possible thereby to reduce the cable line number connected between embedded Beidou communication module and external antenna
Amount, facilitates the assembling between embedded Beidou communication module and external antenna, also reduce further installation cost.
Fig. 4 shows embedded Beidou communication functions of modules schematic diagram, and the embedded Beidou communication module can be applicable to collection
On middle device, the embedded Beidou communication module includes broadband combiner unit 201, RNSS receiving circuit units 202, RDSS transmitting-receiving electricity
Road unit 203, MCU control circuit unit 204, power supply processing unit 205.The signal end of the RDSS transmission circuits unit 203 connects
Then the signal end of MCU control circuit unit 204, power end and the power supply processing unit 205 of RDSS transmission circuits unit 203 connect
Connect；The signal end of broadband combiner unit 201 is connected to RDSS transmission circuits unit 203 and RNSS receiving circuit units 202, broadband
The power end of combiner unit 203 is connected with power supply processing unit 205；The power end of MCU control circuit unit 204 is handled with power supply
Unit 205 connects.The signal end of RNSS receiving units 202 is connected with the signal end of MCU control circuit unit 204, and RNSS is received
The power end of unit 202 is connected with power supply processing unit 205；Broadband combiner unit 201 to the RDSS transmission circuits unit and
RNSS receiving circuit units carry out signal combining, and in broadband, combiner unit 201 can have corresponding radio frequency coaxial-cable interface,
The radio frequency coaxial-cable interface is used to connect with external antenna by a radio frequency coaxial-cable, i.e., broadband combiner unit 201 is real
After existing signal combining output, combining signal is inputted on the radio frequency coaxial-cable connected to radio frequency coaxial-cable interface.
Broadband combiner unit 201 in the utility model can enter to the receiving and transmitting signal in RDSS transmission circuits unit 203
Row combining, connected, RDSS transmission circuits unit 203 and RNSS can also be connect with external antenna by a radio frequency coaxial-cable
Receive circuit unit 202 and carry out signal combining, connected by a radio frequency coaxial-cable with external antenna.All signals are through wide
After the combining output of band combiner unit, you can reach and be output to by a radio frequency coaxial-cable on external antenna.
When passing function with number, the Big Dipper number road that conducts electricity includes broadband combiner unit, RDSS transmission circuits unit and MCU
Control circuit unit, this 3 element circuits are sequentially connected, and external antenna is connected to finally by radio frequency coaxial-cable.Big Dipper number
Data interaction between concentrator and long-range main website is mainly realized on the road that conducts electricity, for downlink, Big Dipper number conduct electricity road pass through it is outer
Connect antenna and receive the data from main website, and analyzed, handled in concentrator；For up-link, concentrator will need
The data of upload conduct electricity road by Big Dipper number and external antenna is sent to main website.Transmission circuit in existing RDSS circuits passes through two
Root circuit realizes the communication with external antenna, i.e. receiving circuit is connected on external antenna by single line and communicated, and sends electricity
By being communicated on another connection to external antenna, the RDSS circuits in the utility model will based on broadband combiner unit on road
Both threads road in RDSS transmission circuits is combined to be exported to external antenna again based on same root radio frequency coaxial-cable, this
The single line that RDSS signals combining output can be reduced in RDSS circuits is exported to the track laying length of external antenna, is reduced
The consume of signal in the line, reach and simplify wiring, lift circuit performance.Closed in embedded Beidou communication module based on broadband
Combining output of the road unit to each road signal, preferably meets transmission performance of each signal based on a radio frequency coaxial-cable.
With positioning and during authorization function, positioning and time service circuit include broadband combiner unit, RNSS receiving circuit lists
Member and MCU control circuit unit, this 3 element circuits are sequentially connected, and external day is connected to finally by radio frequency coaxial-cable
Line.RNSS receiving circuit units complete the analysis of RNSS signals, processing, obtain coming positioning or the time service number of satellite navigation system
According to concentrator can obtain positioning or time service data in time, and can combine other data, main website is reported to together, to reality
Existing various power businesses.
In radio-frequency front-end, RDSS transmission circuits unit and RNSS receiving circuit units are met RDSS by broadband combiner unit
Receive radiofrequency signal, RDSS transmittings radiofrequency signal, RNSS to receive radiofrequency signal and carry out broadband combining, by the signal after combining by penetrating
High frequency coaxial cable is connected to external antenna.When external antenna is active antenna, power supply can also be based on by power supply processing unit
Radio frequency coaxial-cable is inputted to external antenna.
Carried out between data interaction rear end, RDSS transmission circuits unit and MCU control circuit unit by UART serial ports
Communication, the serial port protocol meet RDSS V2.1 agreements and 4.0 protocol requirements.RNSS receiving circuit units and MCU control circuit list
Communicated between member by UART serial ports, the serial port protocol meets NMEA-0183 protocol requirements.
RDSS circuits possess short message communication function, for the user terminal power consumption for collecting concentrator Local Communication Module
Data are sent to the intelligent electricity consumption information acquisition system of administrative center of main website by satellite, and this is up-link；Meanwhile main website pipe
Reason center can also send Fee Schedule information or other orders to concentrator, also be realized using RDSS short messages communication function, this
For downlink.RNSS circuits, which can provide, to be accurately positioned or timing function, and the current peace of concentrator is determined by satellite fix
Holding position, the installation site of concentrator can be sent to the intelligent electricity consumption information acquisition system of administrative center of main website by RDSS circuits
System；RNSS circuits can also provide precision time service function, and the synchronization of electric power networks can be realized by the precision time service information.
Remote communication module interface in concentrator can provide the continuous work(for being usually no more than 2W to Beidou communication module
Rate, but RDSS circuits are higher (general more than 13W) in power needed for transmission signal moment, therefore external dc power supply can not be carried directly
For；Therefore accumulator is needed, in RDSS circuit not external transmission signals, accumulator gets up electrical power storage, so
RDSS circuits can obtain enough electric energy when needing transmission signal from accumulator, and be converted into by power-switching circuit
Power supply needed for RDSS circuits, required power when providing external transmission signal to RDSS circuits.
Fig. 5 shows the functional schematic of the power supply processing unit of embedded Beidou communication module in embodiment.At power supply
Managing unit includes power protection and current-limiting circuit 20501, accumulator 20502 and power-switching circuit 20503, between circuit
It is sequentially connected.Power protection and current-limiting circuit 20501 obtain direct current from the interface between Beidou communication module and concentrator
Source, to accumulator after overprotection, current limiting measures
20502 are charged；The power supply energy of storage is after power-switching circuit 20503 carries out Power convert to whole
Beidou communication module is powered, and can be powered by radio frequency coaxial-cable to external antenna.
Accumulator is realized based on super capacitor, completely solves RDSS circuits in embedded RDSS modules Miniaturization Design
Signal transmission power and the unmatched problem of external dc output power, using current-limiting circuit, solve powered on moment accumulator
Part absorbs electric current excessive the problem of causing external dc powered operation exception, and using protection circuit, protection energy storage device is in outside
It is not burned during direct current supply short circuit.
It based on the power supply processing unit, can ensure that embedded Beidou communication module is powered first, ensure inside
Active device power supply needs, such as RDSS circuits (RDSS circuits are related to RDSS receiving circuits and MCU control circuit unit etc.),
RNSS circuits are RNSS receiving circuit units etc..When external antenna uses active antenna, radio frequency coaxial-cable can also be passed through
It is transferred on external antenna, ensures the power demands of active antenna.
For embedded Beidou communication module, generally speaking, due to make use of the reasonable of power supply processing unit accumulator
Design so that low-power consumption module is designed to possibility.In this manner it is possible to replace collection at present using embedded Beidou communication module
The remote communication module based on GPRS in middle device, the compatible existing GPRS digital transmission modules in construction packages and pin definitions.
Fig. 6 has shown the structural representation of the external antenna of the present embodiment.Active antenna includes RNSS receiving circuit units 102
That is antenna RNSS receiving circuit units and corresponding RNSS reception antennas 103, RDSS receiving circuit units 105 are that antenna RDSS connects
Receive circuit unit and corresponding RDSS reception antennas 104, RDSS radiating circuits unit 106 be antenna RDSS radiating circuits unit and
Corresponding RDSS transmitting antennas 107, power supply processing unit 108 and broadband combiner unit 101.Power supply processing unit 108 is whole
Active antenna is powered；RNSS receiving circuit units 102, RDSS receiving circuit units 105, RDSS radiating circuits unit 106
It is connected after broadband combiner unit 101 is combined by radio frequency coaxial-cable with embedded Beidou communication module.Active day
The power supply of line comes from embedded Beidou communication module, i.e., is obtained by radio frequency coaxial-cable.
Here broadband combiner unit 101, RNSS receiving circuit units 102, RNSS reception antennas 103 is sequentially connected, from
And form RNSS active antenna receives links；Broadband combiner unit 101, RDSS receiving circuit units 105, RDSS reception antennas
104 are sequentially connected, so as to form RDSS active antenna receives links；Broadband combiner unit 101, RDSS radiating circuits unit 106,
RDSS transmitting antennas 107 are sequentially connected, so as to form RDSS active antenna transmitting chains；Power supply processing unit 108 is same from radio frequency
Obtained at shaft cable and come from the dc source of embedded Beidou communication module, and after the processing such as being changed, being filtered to power supply,
It is powered to whole active antenna.
Here active antenna extracts the power supply in embedded Beidou communication module, can meet the antenna in active antenna
Power supply transmitting needs, the embedded Beidou communication module under reduction passive antenna to the signal attenuation between external antenna, Ke Yiman
The Big Dipper signal transmitting and receiving of sufficient high latitudes, avoids signal attenuation under passive antenna pattern, and Big Dipper signal transmitting and receiving is unstable.
Fig. 7 shows the concentrator theory diagram of embedded Beidou communication module in the utility model.In function service stream
Cheng Shang, embedded Beidou communication module can be received by UART and come from concentrator data message, and data message is entered again
Row is unpacked, packed, and is allowed to meet the data format that Big Dipper number passes, and meets that electric power number passes the requirement of agreement on data protocol, most
Main website server is sent to by RDSS transmission channels afterwards.Embedded Beidou communication module can be received by RDSS receiving channels
Data message from main website server, and re-start and unpack to data message, pack, be allowed to meet module and concentrator it
Between data format, meet on data protocol electric power number pass agreement requirement, be sent to concentrator finally by UART interface.
Embedded Beidou communication module can receive the data message from aeronautical satellite by RNSS (including GPS) receiving channel, and
Data message is decoded, the location information of acquisition module position, timing information, time service information etc., is ultimately stored on
In module, or concentrator is sent to by UART interface；Location information, time service information can be passed through RDSS passages by concentrator
Upload to main website.Interface between embedded Beidou communication module and concentrator meets existing electric power relevant interface standard, mainly
Signal includes rs 232 serial interface signal, module status signal, concentrator to the control signal of module, and direct current supply etc..
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage
Medium can include：Read-only storage (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
The Beidou communication terminal and concentrator provided above the utility model embodiment is described in detail, herein
In apply specific case principle of the present utility model and embodiment be set forth, the explanation of above example is simply used
Understand method and its core concept of the present utility model in help；Meanwhile for those of ordinary skill in the art, according to this reality
With new thought, there will be changes in specific embodiments and applications, in summary, this specification content is not
It is interpreted as to limitation of the present utility model.
Claims (10)
- A kind of 1. Beidou communication terminal, it is characterised in that including can be embedded in concentrator embedded Beidou communication module and External antenna, connected between the embedded Beidou communication module and external antenna by a radio frequency coaxial-cable.
- 2. Beidou communication terminal as claimed in claim 1, it is characterised in that the embedded Beidou communication module includes RDSS Transmission circuit unit, broadband combiner unit, MCU control circuit unit and power supply processing unit, wherein：The signal end of the RDSS transmission circuits unit is connected to the signal end of MCU control circuit unit and the broadband combining list The signal end of member, the power end of the RDSS transmission circuits unit are connected with power supply processing unit；The power end of the MCU control circuit unit is connected with power supply processing unit；The broadband combiner unit is combined to the receiving and transmitting signal in the RDSS transmission circuits unit, same by a radio frequency Shaft cable connects with external antenna.
- 3. Beidou communication terminal as claimed in claim 2, it is characterised in that the embedded Beidou communication module also includes RNSS receiving circuit units, wherein：The signal end of the RNSS receiving units is connected to the signal end of MCU control circuit unit and the signal of broadband combiner unit End, the power end of the RNSS receiving units are connected with power supply processing unit；The broadband combiner unit carries out signal combining to the RDSS transmission circuits unit and RNSS receiving circuit units, passes through A piece radio frequency coaxial-cable connects with external antenna.
- 4. Beidou communication terminal as claimed in claim 3, it is characterised in that the RDSS transmission circuits unit controls with MCU Communicated between circuit unit by UART serial ports, serial port protocol meets RDSSV2.1 agreements and 4.0 protocol requirements；And/orCommunicated between the RNSS receiving circuit units and MCU control circuit unit by UART serial ports, serial port protocol is full Sufficient NMEA-0183 protocol requirements.
- 5. Beidou communication terminal as claimed in claim 2, it is characterised in that the power supply processing unit include power protection and Current-limiting circuit, accumulator and power-switching circuit, the power protection and current-limiting circuit are connected to accumulator, the storage Energy circuit is connected to power-switching circuit.
- 6. the Beidou communication terminal as described in any one of claim 1 to 5, it is characterised in that the external antenna includes：Antenna Broadband combiner unit, antenna RDSS receiving circuit units, RDSS reception antennas, antenna RDSS radiating circuits unit and RDSS hairs Penetrate antenna；Antenna RDSS receiving circuit units and antenna RDSS radiating circuits unit are combined by antenna broadband combiner unit It is connected afterwards by radio frequency coaxial-cable with communication module, the antenna RDSS receiving circuit units are connected to RDSS reception antennas, The antenna RDSS radiating circuit units are connected to RDSS transmitting antennas.
- 7. Beidou communication terminal as claimed in claim 6, it is characterised in that the external antenna also includes：Antenna RNSS connects Receive circuit unit, RNSS reception antennas and antenna power processing unit, the antenna RNSS receiving circuit units and be connected to RNSS Reception antenna, the antenna power processing unit are powered from the radio frequency coaxial-cable to active antenna；Wherein：Antenna RNSS receiving circuit units, antenna RDSS receiving circuit units, antenna RDSS radiating circuits unit are by day line width Band combiner unit is connected after being combined by radio frequency coaxial-cable with communication module.
- 8. Beidou communication terminal as claimed in claim 6, it is characterised in that the external antenna is active antenna or passive Antenna, the active antenna are based on the radio frequency coaxial-cable and obtain power supply.
- 9. a kind of concentrator, it is characterised in that including display module, Local Communication Module and such as any one of claim 1 to 8 Described Beidou communication terminal, the embedded Beidou communication module of the Beidou communication terminal are arranged on concentrator, the north The embedded Beidou communication module of bucket communication terminal is connected by the remote communication module interface of concentrator with concentrator.
- 10. concentrator as claimed in claim 9, it is characterised in that the embedded Beidou communication module passes through embedded, buckle The mode for connecting, pasting or being fastenedly connected is fixed on the remote communication module interface of the concentrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720564020.0U CN207114630U (en) | 2017-05-19 | 2017-05-19 | A kind of Beidou communication terminal and concentrator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720564020.0U CN207114630U (en) | 2017-05-19 | 2017-05-19 | A kind of Beidou communication terminal and concentrator |
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| CN207114630U true CN207114630U (en) | 2018-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132412A (en) * | 2017-05-19 | 2017-09-05 | 泰斗微电子科技有限公司 | A kind of Beidou communication terminal and concentrator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132412A (en) * | 2017-05-19 | 2017-09-05 | 泰斗微电子科技有限公司 | A kind of Beidou communication terminal and concentrator |
| CN107132412B (en) * | 2017-05-19 | 2024-02-06 | 泰斗微电子科技有限公司 | Beidou communication terminal and concentrator |
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