CN207882445U - The Big Dipper is combined antenna assembly and electric-power metering, power information harvester - Google Patents
The Big Dipper is combined antenna assembly and electric-power metering, power information harvester Download PDFInfo
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- CN207882445U CN207882445U CN201820254180.XU CN201820254180U CN207882445U CN 207882445 U CN207882445 U CN 207882445U CN 201820254180 U CN201820254180 U CN 201820254180U CN 207882445 U CN207882445 U CN 207882445U
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Abstract
The utility model discloses a kind of Big Dipper combining antenna assembly and electric-power metering, power information harvester, it includes passive element array that the Big Dipper, which is combined antenna assembly, amplifier circuit unit and combiner unit, the passive element array includes S frequency ranges, L frequency ranges, the multifrequency antenna of B1/L1 frequency ranges, the amplifier circuit unit is connected with passive element array communication, the amplifier circuit unit includes the noise amplification module and L band power amplifiers of S frequency ranges and B1/L1 frequency ranges, the combiner unit is connected with amplifier circuit unit communication, the combiner unit further includes feed-in mouth, the feed-in mouth with Big Dipper RDSS with RNSS terminal calleds connecting.The device can be such that Big Dipper terminal uses indoors.
Description
Technical field
The utility model is related to the electric-power metering communications fields, and in particular to a kind of Big Dipper combining antenna assembly and kilowatt meter
Amount, power information harvester.
Background technology
RDSS is another radiodetermination-satellite service, the range measurement of user to satellite and position calculate can not by with
Family itself complete independently, it is necessary to be completed by the response of user by external system.RNSS is a kind of satellite radionavigation industry
Business, the autonomous range measurement completed at least to 4 satellites, carries out the calculating of user location, speed and navigational parameter.Existing defends
Star, which wirelessly measures business (RDSS) and satellite radio navigator fix business (RNSS) both of which, has extraordinary complementarity,
Application range and industry constantly extend, and national satellite navigation application market scale is with the speed rapid growth that double about every two years.
RDSS and RNSS had both been provided to the user more accurate in the application for appearing in product in the form of single mode or multimode
Consecutive tracking, test the speed ability, and can carry out the information transmission information of higher level.It navigates and communication enhances each other, extensively
Applied to fields such as sea-lanes of communication transport navigation, base surveying, engineering survey, seismic monitoring, meteorological detections.
RDSS needs and satellite interactive communication, receives S (2491.75MHz) and transmitting L (1615.68MHz) two frequency ranges.
And RNSS only needs to receive the navigator fix information of satellite, reception frequency range is B1/L1 (1561.098MHz/1575.42MHz), because
And when RDSS and RNSS integrates two kinds of business, each end product can be configured with the antenna of corresponding band.These antenna one
As all can with corresponding radio frequency processing module and baseband processing module design at one piece formed terminal.These terminal applies scenes
Only being limited to outdoor or field basically can not apply for being placed on the end product of Indoor environment.
It is in the prior art to may be used in order to reach the terminal applies for integrating RNSS and RDSS in indoor purpose
Passive antenna is exactly positioned over outdoor by a kind of form, is respectively introduced the signal of each frequency range by cable respectively with coaxial cable
Function is realized to indoor terminal, however such way not only increases the cost of erection, also increases the difficulty of Engineering operation
Degree.Simultaneously to sending and receiving for signal, such design is drawn in the front end of receiving and transmitting signal is by the transmission process of cable
The line loss entered is equal to the noise coefficient for increasing signal receives link front end, greatly reduces the reception of wireless receiver
Sensitivity；Equally, for transmitting, the line loss of coaxial cable is introduced, being then equivalent to reduces transmission power, seriously affects
The location navigation parameter and communication success rate of end product.
Utility model content
The utility model aim is to overcome above-mentioned technical problem, provides a kind of Big Dipper combining antenna assembly, it is made to be applied to
When Big Dipper RDSS and RNSS terminal, which environment can use indoors.
In order to achieve the above object, the technical solution of the utility model is：
A kind of Big Dipper combining antenna assembly, including passive element array, amplifier circuit unit and combiner unit, it is described passive
Antenna element includes S band antennas, L band antennas, B1/L1 band antennas, the amplifier circuit unit and the passive antenna
Unit communications connect, and the amplifier circuit unit includes S band noises amplification module, B1/L1 band noises amplification module and L frequencies
Section power amplifier, the combiner unit are connected with amplifier circuit unit communication, and the combiner unit further includes feed-in mouth,
The feed-in mouth with Big Dipper RDSS with RNSS terminal calleds connecting.
The amplifier circuit unit of the Big Dipper combining antenna assembly of the utility model can to the signals of S and B1/L1 frequency ranges into
Row amplification, so as to enhance the sensitivity of signal reception, L frequency band signals can be amplified by simultaneously amplifying circuit unit,
To increase transmission power, it is possible thereby to improve the success rate of communication and location navigation, make Big Dipper combining antenna assembly not only
It can also can indoors be used in outdoor application, improve the operational reliability of Big Dipper combining antenna assembly and its terminal,
The scope of application is expanded.
Preferably, the S frequency ranges and B1/L1 band antennas respectively by signal via the S band noises amplification module and
The noise amplification module of B1/L1 frequency ranges is sent to the combiner unit, and the Big Dipper RDSS and RNSS is sent to by feed-in mouth
Terminal；L frequency band signals are sent to combiner unit by the Big Dipper RDSS and RNSS terminals by feed-in mouth, and via L frequencies
Section power amplifier is sent to L band antennas, is sent to satellite.
Preferably, the output end of the S band antennas is connect with the input terminal of the S band noises amplification module, described
The output end of B1/L1 band antennas is connect with the input terminal of the B1/L1 band noises amplification module, the L band antennas
Input terminal is connect with the output end of the L band power amplifiers.
Preferably, the combiner unit is equipped with first input end and the second input terminal；The S band noises amplification module
Output end is connect with the first input end of the combiner unit, output end and the conjunction of the B1/L1 band noises amplifier
Second input terminal of road unit connects, and the input terminal of the L band power amplifiers is connect with the output end of the combiner unit.
Preferably, the Big Dipper combining antenna assembly further includes power supply unit, the power supply unit and the amplifying circuit
Unit, combiner unit electrical connection.
Preferably, the feed-in mouth connection of the combiner unit is there are one feeder line, the feeder line to Big Dipper RDSS and
RNSS terminal calleds connect.
Preferably, the power supply unit is electrically connected with the Big Dipper RDSS and RNSS terminals.
The another object of the utility model is, provide using above-mentioned Big Dipper combining antenna assembly electric power metering device and
Power information harvester.
In order to achieve the above object, the technical solution of the utility model is as follows：
A kind of electric power metering device, including above-mentioned Big Dipper combining antenna assembly and metering device ontology, the metering device
Ontology collects electric power data, and/or sends electric power data, and/or receives electric power data, the metering device ontology and the north
Bucket combining antenna assembly is connected.
A kind of power information harvester, including above-mentioned Big Dipper combining antenna assembly and harvester ontology, the acquisition
Device body acquires the running state information of power equipment, and/or sends running state information, the harvester ontology and institute
State Big Dipper combining antenna assembly connection.
The running temperature of harvester ontology acquisition power equipment, humidity, stress, load, voltage, electric current, booting,
Shutdown or run time information.
A kind of Big Dipper concentrator, including above-mentioned Big Dipper combining antenna assembly and concentrator ontology, the concentrator ontology connect
Electric power data is received, and/or sends electric power data, the concentrator ontology is connected with Big Dipper combining antenna assembly.
A kind of equipment running status information collecting device, including above-mentioned Big Dipper combining antenna assembly and harvester sheet
Body, the running state information of the harvester ontology collecting device, and/or send running state information, the harvester
Ontology is connected with Big Dipper combining antenna assembly.
Temperature, humidity, stress, load, voltage, electric current, booting, shutdown or the fortune of the harvester ontology collecting device
Row temporal information.
Description of the drawings
Fig. 1 is that the Big Dipper of the utility model is combined the connection diagram of antenna assembly and Big Dipper RDSS and RNSS terminal.
Fig. 2 is that the Big Dipper of the utility model is combined the structural schematic diagram of antenna assembly.
Specific implementation mode
The active antenna device of Big Dipper RDSS and RNSS terminals provided by the utility model are illustrated below in conjunction with the accompanying drawings.
With reference to attached drawing 1 and Fig. 2, a kind of Big Dipper combining antenna assembly 1, including passive element array 10, amplifier circuit unit
20 and combiner unit 30, passive element array 10 includes S band antennas, L band antennas, B1/L1 band antennas, S band antennas
It is respectively used to receive the radiofrequency signal of the S frequency ranges and B1/L1 frequency ranges that issue from satellite with B1/L1 band antennas, L antennas are used for
Emit radiofrequency signal of the Big Dipper RDSS and the RNSS terminal 2 to the L frequency ranges of satellite；Amplifier circuit unit 20 and passive element array 10
Communication connection, is amplified and forwards to the radiofrequency signal of passive element array 10, and amplifier circuit unit 20 includes making an uproar for S frequency ranges
The noise amplification module 23 and L band power amplifiers 21 of sound amplification module 22 and B1/L1 frequency ranges；Combiner unit 30 and amplification electricity
The communication connection of road unit 20, combiner unit 30 further include feed-in mouth, and feed-in mouth connects to be communicated with the Big Dipper RDSS and RNSS terminal 2
It connects.It should be noted that feed-in mouth does not limit signal flow direction, that is to say, that signal can not only pass through feed-in
Mouth flows into combiner unit, can also transmit signal outward by feed-in mouth.
The amplifier circuit unit of the Big Dipper combining antenna assembly of the utility model can to the signals of S and B1/L1 frequency ranges into
Row amplification, so as to enhance the sensitivity of signal reception, L frequency band signals can be amplified by simultaneously amplifying circuit unit,
To increase transmission power, it is possible thereby to improve the success rate of communication and location navigation, make Big Dipper combining antenna assembly not only
It can also can indoors be used in outdoor application, improve the operational reliability of Big Dipper combining antenna assembly and its terminal,
The scope of application is expanded.
In one embodiment of the utility model, Big Dipper combining antenna assembly passes through a feeder line and the Big Dipper RDSS and RNSS
Terminal called connects, and simplifies the electrical structure of Big Dipper combining antenna assembly, while also simplifying Big Dipper combining antenna and terminal
Installation process.
S frequency ranges and B1/L1 band antennas are respectively by signal via S band noises amplification module and the noise of B1/L1 frequency ranges
Amplification module is sent to combiner unit, and Big Dipper RDSS and RNSS terminal is sent to by feed-in mouth；Big Dipper RDSS and RNSS terminal
L frequency band signals are sent to combiner unit by feed-in mouth, and L band antennas are sent to via L band power amplifiers, are transmitted
To satellite.
Specifically, the output end of S band antennas is connect with the input terminal of S band noises amplification module 22, B1/L1 frequency ranges day
The output end of line is connect with the input terminal of B1/L1 band noises amplification module 23, input terminal and the L frequency band powers of L band antennas
The output end of amplifier 21 connects.
Combiner unit is equipped with first input end and the second input terminal；The output end of S band noises amplification module 22 and combining
The first input end of unit 30 connects, the second input terminal of the output end and combining power supply 30 of B1/L1 band noises amplifier 23
Connection, the input terminal of L band power amplifiers 21 are connect with the output end of combiner unit 30.
The S for being received passive antenna by the noise amplification module 23 of S band noises amplification module 22 and B1/L1 frequency ranges
The signal of frequency range and B1/L1 frequency ranges is amplified and is forwarded to terminal 2, make the Big Dipper RDSS and RNSS terminal 2 indoors in use,
Receive complete, powerful signal, avoid the line loss that terminal 2 is connected to passive antenna indoors, cause receive sensitivity decrease,
The larger problem of noise；The Big Dipper RDSS and RNSS terminal 2 is needed the L frequency band signals emitted to be amplified to by L sections of power amplifiers 21
Required power is transmitted to satellite after being transmitted to passive antenna, avoids and draws between passive antenna and the Big Dipper RDSS and RNSS terminal 2
The line loss entered, cause transmission power reduce, working efficiency reduce the problem of.Combiner unit 30 makes L frequencies, S frequencies and B1/L1 frequency signals
It is connected by a feeder line and the communication of the Big Dipper RDSS and RNSS terminal 2 between passing through after combining, simultaneously using a physical channel
Transmit the signal of multiple frequency ranges.
As a preferred embodiment, the Big Dipper combining antenna assembly 1 further include power supply unit 40, with amplifier circuit unit 20,
Combiner unit 30 is electrically connected, for providing electric energy.
Power supply unit 40 is electrically connected with the Big Dipper RDSS and RNSS terminal 2, and the Big Dipper RDSS and RNSS terminal 2 is made to supply electric energy
To power supply unit 40.
The electric power metering device and power information harvester of the utility model are as follows：
A kind of electric power metering device, including above-mentioned Big Dipper combining antenna assembly and metering device ontology, metering device ontology
Electric power data is collected, and/or sends electric power data, and/or receives electric power data, metering device ontology and Big Dipper combining day are traditional thread binding
It sets connected.Specifically, metering device ontology can be connect with Big Dipper combining antenna assembly by feeder line.Optionally, metering device
It is connected by a feeder line between ontology and Big Dipper combining antenna assembly, is combined with the Big Dipper it is possible thereby to simplify metering device ontology
Installation process between antenna assembly, improve installation effectiveness, and also simplify metering device ontology and the Big Dipper combining day it is traditional thread binding
Connection wiring harness between setting, the problem of unstable, easy short circuit of signal transmission etc., improves caused by avoiding connection wiring harness excessively
The operation stability and reliability of electric power metering device.Since the Big Dipper combining antenna assembly of above-described embodiment can enhance signal
The sensitivity of reception, the transmission power for increasing signal, while the success rate of communication and location navigation can be improved, so that the Big Dipper is combined
Antenna assembly not only can also can indoors use in outdoor application, improve Big Dipper combining antenna assembly and its terminal
Operational reliability has also expanded the scope of application.Therefore the electric power metering device of the utility model embodiment also has upper accordingly
The advantageous effect stated, is no longer repeated herein.
A kind of power information harvester, including above-mentioned Big Dipper combining antenna assembly and harvester ontology, harvester
Ontology acquires the running state information of power equipment, and/or sends running state information, and harvester ontology is combined day with the Big Dipper
Line apparatus connects.Specifically, acquisition is set ontology and can be connect by feeder line with Big Dipper combining antenna assembly.Optionally, acquisition dress
It sets and is connected by a feeder line between ontology and Big Dipper combining antenna assembly, closed with the Big Dipper it is possible thereby to simplify harvester ontology
Installation process between the antenna assembly of road improves installation effectiveness, and also simplifies harvester ontology and Big Dipper combining antenna
Connection wiring harness between device, the problem of unstable, easy short circuit of signal transmission etc., is improved caused by avoiding connection wiring harness excessively
The operation stability and reliability of power information harvester.Since the Big Dipper combining antenna assembly of above-described embodiment can increase
The transmission power of sensitivity, increase signal that strong signal receives, while the success rate of communication and location navigation can be improved, make north
Bucket combining antenna assembly not only can also can indoors be used in outdoor application, improve the Big Dipper combining antenna assembly and its
The operational reliability of terminal, has also expanded the scope of application.Therefore the power information harvester also phase of the utility model embodiment
That answers has above-mentioned advantageous effect, is no longer repeated herein.
Further, the harvester ontology acquisition running temperature of power equipment, humidity, stress, load, voltage, electric current,
Booting, shutdown or run time information.Further, harvester ontology can also acquire other operation shapes of power equipment
The information such as state information, such as power load, power, position, time.
A kind of Big Dipper concentrator, including above-mentioned Big Dipper combining antenna assembly and concentrator ontology, concentrator ontology receive electricity
Force data, and/or electric power data is sent, concentrator ontology is connected with Big Dipper combining antenna assembly.Specifically, concentrator ontology with
Big Dipper combining antenna assembly can be connected by feeder line.Optionally, pass through between concentrator ontology and Big Dipper combining antenna assembly
A piece feeder line connection improves installation it is possible thereby to simplify the installation process between concentrator ontology and Big Dipper combining antenna assembly
Efficiency, and the connection wiring harness between concentrator ontology and Big Dipper combining antenna assembly is also simplified, avoid connection wiring harness mistake
Signal transmissions caused by more are unstable, the problem of easy short circuit etc., improve the operation stability and reliability of Big Dipper concentrator.By
It can enhance the sensitivity of signal reception in the Big Dipper combining antenna assembly of above-described embodiment, increase the transmission power of signal, together
When can improve the success rate of communication and location navigation, make Big Dipper combining antenna assembly not only can be in outdoor application, can also
It uses indoors, improves the operational reliability of Big Dipper combining antenna assembly and its terminal, also expanded the scope of application.Therefore originally
The Big Dipper concentrator of utility model embodiment also has above-mentioned advantageous effect accordingly, is no longer repeated herein.
A kind of equipment running status information collecting device, including above-mentioned Big Dipper combining antenna assembly and harvester sheet
Body, the running state information of harvester ontology collecting device, and/or running state information is sent, harvester ontology and north
Bucket combining antenna assembly is connected.Specifically, harvester ontology can be connect with Big Dipper combining antenna assembly by feeder line.It is optional
Ground is connected between harvester ontology and Big Dipper combining antenna assembly by a feeder line, it is possible thereby to simplify harvester sheet
Installation process between body and Big Dipper combining antenna assembly, improves installation effectiveness, and also simplify harvester ontology and north
Connection wiring harness between bucket combining antenna assembly, unstable, easy short circuit of signal transmission etc. caused by avoiding connection wiring harness excessively
The problem of, improve the operation stability and reliability of equipment running status information collecting device.Due to the north of above-described embodiment
Bucket combining antenna assembly can enhance signal reception sensitivity, increase signal transmission power, while can improve communication and
The success rate of location navigation makes Big Dipper combining antenna assembly not only can also can indoors use, improve in outdoor application
The Big Dipper is combined the operational reliability of antenna assembly and its terminal, has also expanded the scope of application.Therefore the utility model embodiment
Equipment running status information collecting device also has above-mentioned advantageous effect accordingly, is no longer repeated herein.
Further, the temperature, humidity of harvester ontology collecting device, stress, load, voltage, electric current, booting, pass
Machine or run time information.Further, harvester ontology can with other running state informations of collecting device, such as
The information such as power load, power, position, time.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is changed.Therefore, the utility model is not limited to specific implementation mode disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
Some specific terms are used in pipe this specification, these terms are merely for convenience of description, not to the utility model
Constitute any restrictions.
Claims (13)
1. a kind of Big Dipper is combined antenna assembly, which is characterized in that single including passive element array, amplifier circuit unit and combining
Member, the passive element array include S band antennas, L band antennas and B1/L1 band antennas, the amplifier circuit unit
It communicates and connects with the passive element array, the amplifier circuit unit includes that S band noises amplification module, B1/L1 frequency ranges are made an uproar
Sound amplification module and L band power amplifiers, the combiner unit are connected with amplifier circuit unit communication, and the combining is single
Member further includes feed-in mouth, and the feed-in mouth with Big Dipper RDSS with RNSS terminal calleds connecting.
2. the Big Dipper according to claim 1 is combined antenna assembly, which is characterized in that the S band antennas and B1/L1 frequency ranges
Signal is sent to the combining by antenna via the S band noises amplification module and B1/L1 band noise amplification modules respectively
Unit is sent to the Big Dipper RDSS and RNSS terminals by feed-in mouth；The Big Dipper RDSS and RNSS terminals are by L frequency band signals
It is sent to combiner unit by feed-in mouth, and L band antennas are sent to via the L band power amplifiers.
3. the Big Dipper according to claim 2 is combined antenna assembly, which is characterized in that the output end of the S band antennas with
The input terminal of the S band noises amplification module connects, and the output end of the B1/L1 band antennas is made an uproar with the B1/L1 frequency ranges
The input terminal of sound amplification module connects, and the input terminal of the L band antennas and the output end of the L band power amplifiers connect
It connects.
4. the Big Dipper according to claim 3 is combined antenna assembly, which is characterized in that the combiner unit is equipped with the first input
End and the second input terminal；The output end of the S band noises amplification module is connect with the first input end of the combiner unit, institute
The output end for stating B1/L1 band noise amplifiers is connect with the second input terminal of the combiner unit, the L frequency band powers amplification
The input terminal of device is connect with the output end of the combiner unit.
5. being combined antenna assembly according to claim 1-4 any one of them Big Dippeves, which is characterized in that the Big Dipper is combined antenna
Device further includes power supply unit, and the power supply unit is electrically connected with the amplifier circuit unit, combiner unit.
6. the Big Dipper according to any one of claim 1-4 is combined antenna assembly, which is characterized in that the combiner unit
The connection of feed-in mouth is there are one feeder line, and the feeder line with Big Dipper RDSS with RNSS terminal calleds connecting.
7. the Big Dipper according to claim 5 is combined antenna assembly, which is characterized in that the power supply unit and the Big Dipper
RDSS and RNSS terminals are electrically connected.
8. a kind of electric power metering device, which is characterized in that including：
The Big Dipper is combined antenna assembly, and the Big Dipper combining antenna assembly is the Big Dipper combining described in any one of claim 1-7
Antenna assembly；With
Metering device ontology, the metering device ontology collects electric power data, and/or sends electric power data, and/or receives electric power
Data, the metering device ontology are connected with Big Dipper combining antenna assembly.
9. a kind of power information harvester, which is characterized in that including：
The Big Dipper is combined antenna assembly, and the Big Dipper combining antenna assembly is the Big Dipper combining described in any one of claim 1-7
Antenna assembly；With
Harvester ontology, the running state information of the harvester ontology acquisition power equipment, and/or send operating status
Information, the harvester ontology are connect with Big Dipper combining antenna assembly.
10. power information harvester according to claim 9, which is characterized in that the harvester ontology acquisition electricity
Running temperature, humidity, stress, load, voltage, electric current, booting, shutdown or the run time information of power equipment.
11. a kind of Big Dipper concentrator, which is characterized in that including：
The Big Dipper is combined antenna assembly, and the Big Dipper combining antenna assembly is the Big Dipper combining described in any one of claim 1-7
Antenna assembly；With
Concentrator ontology, the concentrator ontology receives electric power data, and/or sends electric power data, the concentrator ontology with
The Big Dipper combining antenna assembly is connected.
12. a kind of equipment running status information collecting device, which is characterized in that including：
The Big Dipper is combined antenna assembly, and the Big Dipper combining antenna assembly is the Big Dipper combining described in any one of claim 1-7
Antenna assembly；With
Harvester ontology, the running state information of the harvester ontology collecting device, and/or send operating status letter
Breath, the harvester ontology are connected with Big Dipper combining antenna assembly.
13. equipment running status information collecting device according to claim 12, which is characterized in that the harvester sheet
Temperature, humidity, stress, load, voltage, electric current, booting, shutdown or the run time information of body collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254180.XU CN207882445U (en) | 2018-02-12 | 2018-02-12 | The Big Dipper is combined antenna assembly and electric-power metering, power information harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254180.XU CN207882445U (en) | 2018-02-12 | 2018-02-12 | The Big Dipper is combined antenna assembly and electric-power metering, power information harvester |
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| Publication Number | Publication Date |
|---|---|
| CN207882445U true CN207882445U (en) | 2018-09-18 |
Family
ID=63498580
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820254180.XU Active CN207882445U (en) | 2018-02-12 | 2018-02-12 | The Big Dipper is combined antenna assembly and electric-power metering, power information harvester |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462432A (en) * | 2018-10-29 | 2019-03-12 | 广州昀亿智能科技发展有限公司 | A kind of communication system of power grids system based on dipper system |
| CN111667680A (en) * | 2020-06-03 | 2020-09-15 | 贵州电网有限责任公司 | Data transmission method, RDSS communication terminal and storage medium |
| CN112564762A (en) * | 2020-11-09 | 2021-03-26 | 泰斗微电子科技有限公司 | Signal receiving and transmitting control method of Beidou active antenna |
-
2018
- 2018-02-12 CN CN201820254180.XU patent/CN207882445U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462432A (en) * | 2018-10-29 | 2019-03-12 | 广州昀亿智能科技发展有限公司 | A kind of communication system of power grids system based on dipper system |
| CN111667680A (en) * | 2020-06-03 | 2020-09-15 | 贵州电网有限责任公司 | Data transmission method, RDSS communication terminal and storage medium |
| CN112564762A (en) * | 2020-11-09 | 2021-03-26 | 泰斗微电子科技有限公司 | Signal receiving and transmitting control method of Beidou active antenna |
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