CN203025350U - Novel Big Dipper/GPS dual-mode user receiver - Google Patents

Novel Big Dipper/GPS dual-mode user receiver Download PDF

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Publication number
CN203025350U
CN203025350U CN 201220622737 CN201220622737U CN203025350U CN 203025350 U CN203025350 U CN 203025350U CN 201220622737 CN201220622737 CN 201220622737 CN 201220622737 U CN201220622737 U CN 201220622737U CN 203025350 U CN203025350 U CN 203025350U
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China
Prior art keywords
gps
big dipper
unit
subscriber computer
message
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CN 201220622737
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Chinese (zh)
Inventor
杜光耀
宋勇
王宝峰
孙高伟
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BEIJING GUOZHIHENG POWER MANAGEMENT TECHNOLOGY GROUP Co Ltd
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BEIJING GUOZHIHENG POWER MANAGEMENT TECHNOLOGY GROUP Co Ltd
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Abstract

The utility model provides a novel Big Dipper/GPS dual-mode user receiver, which comprises an antenna unit, a transceiver unit, a power supply unit, a GPS/Big Dipper message processing unit and a level output unit. The power supply unit powers the transceiver unit, the GPS/Big Dipper message processing unit and the level output unit. The transceiver unit is composed of a GPS operation sub-unit and a Big Dipper operation sub-unit. Due to the adoption of the user receiver, not only GPS signals can be received, but also the signals of the No.1 Big Dipper system can be received and transmitted. Meanwhile, GPS signals can be transmitted by means of the No.1 Big Dipper system. Therefore, the user receiver can be operated in two modes and is to be installed at a command center as a receiving terminal for receiving information so as to satisfy the requirements on positioning and tracking a plurality of flights.

Description

A kind of novel Big Dipper/GPS dual-mode subscriber machine
Technical field:
The utility model belongs to navigation field, is specifically related to the dual-mode subscriber machine of a kind of Big Dipper/GPS.
Background technology:
Satellite communication terminal is often referred to the Galilean satellite terminal device in two generations an of Big Dipper generation, the Big Dipper, GPS of America satellite positioning-terminal, Muscovite Soviet Union global navigational satellite and Europe.
At present, China's satellite navigation application industry development is rapid, but most the application is all to be based upon on the leading gps system of the U.S., and this is unfavorable for that China's developing meets the application of national conditions more; Along with the raising of people to monitoring, navigation and the intelligent management requirement of transport agent, Vehicular satellite locating terminal produce market demand is with increasing; GPS has reached 95% left and right in the occupation rate of China now.Big Dipper navigation positioning system is called for short dipper system, is the satellite navigation system that China independently builds up.Satellite navigation location refers to utilize satellite navigation and location system to provide the information such as position, speed and time to complete location, navigation, detection and management to all types of target.The main users of Beidou satellite navigation system only limits to some relevant government offices and large enterprises; Along with the development of dipper system, its user's scope also will be more and more wider, will be extended to the every field such as electric power, finance, communication, traffic of country, with the life of ordinary people with closely related; On the basis of existing Vehicular satellite locating terminal research and development, the exploitation based on the big-dipper satellite location navigation car-mounted terminal of dipper system is carried out expanding comprehensively and promoting.A Big Dipper generation is the first generation Satellite Communication System of China's independent development, and the whole network is comprised of 3 satellites.Have following characteristics: have location and the double action of communicating by letter, the SMS communication function that possesses is exactly that GPS is not available; 20 meters left and right of bearing accuracy; The terminal price has been tending towards GPS terminal price at present; Adopt receiving terminal need not lay ground base station; The ship at disaster center just can send information one second.
In aircarrier aircraft was used, ground command center was that Real Time Monitoring aircraft position employing will send to ground base station by very high frequency band with Plane location information after the GPS positioning acquisition, and ground base station sends to command centre with information again.Along with the prolongation in course line, ground base station is corresponding to be increased, and fund input is huge.
Equipment of the present utility model relates to the GPS of the U.S. and the Big Dipper generation global position system of China, the collection of tradition GPS terminal need to be equipped with special-purpose host computer, and add that utilization has Big Dipper generation satellite system now, do not need to increase face base station more, only in command centre, one station terminal is installed and is used as reception information, can satisfy the location of a plurality of flights and follow the tracks of.
The utility model content:
The utility model need to be set up the deficiency of a plurality of ground base stations in order to overcome other radio-frequency range communications in prior art, designed the dual-mode subscriber machine (terminal receiving equipment) of a kind of Big Dipper/GPS, only in command centre, one station terminal is installed and is used as reception information, the Real-time Collection locating information also sends the location that far-end command centre can satisfy a plurality of flights to and follows the tracks of.
The utility model provides a kind of Big Dipper/GPS dual-mode subscriber machine, this subscriber computer comprises antenna element, transceiver unit, power supply unit, GPS/ Big Dipper message process unit and level output unit, wherein power supply unit provides power supply for transceiver unit, GPS/ Big Dipper message process unit and level output unit, and this transceiver unit has GPS work subelement and Big Dipper work subelement.
Further, described antenna element is the input/output section of subscriber computer wireless data.
Further, described Big Dipper work subelement comprises that RDSS baseband processing unit, A/D, RDSS receive and dispatch control module, low noise amplifier and radio-frequency power amplifier.
Further, described GPS work subelement comprises RNSS baseband processing unit, A/D, RNSS transmitting-receiving control module, low noise amplifier.
Further, described Big Dipper work subelement is crossed the host computer information exchange RDSS baseband processing unit and is converted thereof into radiofrequency signal in conjunction with RDSS transmitting-receiving control module, sends by described antenna element through radio-frequency power amplifier; And the weak satellite signal that antenna reception is come processes by the low noise amplifier amplification filtering and gives the RDSS baseband processing unit by RDSS transmitting-receiving control module and A/D and convert the Transistor-Transistor Logic level message to, and gives host computer through described GPS/ Big Dipper message process unit.
Further, the weak satellite signal that described GPS work subelement is come antenna reception is processed by the low noise amplifier amplification filtering and is given the RNSS baseband processing unit by RNSS transmitting-receiving control module and A/D and convert the Transistor-Transistor Logic level message to, and gives host computer through GPS/ Big Dipper message process unit.
Further, described GPS/ Big Dipper message process unit sends the Big Dipper and GPS information respectively by the setting-up time collection and after processing.
Further, what described GPS/ Big Dipper message process unit adopted is the LPC1766 chip, and wherein serial ports 1 connects Big Dipper communication, and serial ports 2 connects the GPS communication, and serial ports 0 connects upper machine communication.
Further, described power supply unit adopts single lithium battery power supply or external 12V direct supply; Described level output unit converts Transistor-Transistor Logic level to the RS232 level and gives host computer.
Further, described subscriber computer is the equipment of hand-held.
The beneficial effects of the utility model are: this equipment not only can receive gps signal, can also receive and send the signal of a Big Dipper generation, and gps signal can be sent by a Big Dipper generation, be the working in double modes mode, only in command centre, one station terminal is installed and is used as reception information, can satisfy the location of a plurality of flights and follow the tracks of.
Description of drawings:
Fig. 1 is the structured flowchart of the Big Dipper in the utility model/GPS dual-mode subscriber machine;
Fig. 2 is the programming flowchart of LPC1766 chip in the utility model.
Embodiment:
Following part elaborates in conjunction with the embodiment of Figure of description to this utility model:
Referring to accompanying drawing 1, for the structured flowchart of the utility model Big Dipper/GPS dual-mode subscriber machine, comprising antenna element, transceiver unit, power supply unit, GPS/ Big Dipper message process unit and level output unit.
1) antenna element
Antenna element is the input/output section of equipment (subscriber computer) front end wireless data, be the important component part of whole equipment, during Big Dipper work pattern, be responsible for receiving Big Dipper satellite signal, and require to send information to satellite according to user side, complete information interaction; At the GPS duration of work, receive in real time the locating information that the GPS position location satellite sends.
2) transceiver unit
This unit is transceiver, this Elementary Function is mainly the signal of processing antenna element, GPS work subelement and Big Dipper work subelement are arranged, and described Big Dipper work subelement comprises that RDSS baseband processing unit, A/D, RDSS receive and dispatch control module, low noise amplifier and radio-frequency power amplifier; Described GPS work subelement comprises RNSS baseband processing unit, A/D, RNSS transmitting-receiving control module, low noise amplifier.
Take Big Dipper mode of operation as example, Big Dipper work subelement is during Big Dipper mode of operation, during the transmission state, the host computer information exchange is crossed the RDSS Base-Band Processing and is converted thereof into radiofrequency signal in conjunction with RDSS transmitting-receiving control module, through the PA(radio-frequency power amplifier) send by antenna element; During accepting state, the weak satellite signal that antenna reception is come is by the LNA(low noise amplifier) amplification filtering processes and to give the RDSS Base-Band Processing through RDSS transmitting-receiving control module and A/D and convert the Transistor-Transistor Logic level message to, and give host computer through GPS/ Big Dipper message process unit, complete the information interaction of ground and satellite.
GPS work subelement is used for the GPS duration of work, and the accepting state of its principle and the Big Dipper does not in like manner send state at the GPS duration of work; The weak satellite signal that antenna reception is come is by the LNA(low noise amplifier) amplification filtering processes and to give the RNSS Base-Band Processing through RNSS transmitting-receiving control module and A/D and convert the Transistor-Transistor Logic level message to, and give host computer through GPS/ Big Dipper message process unit.
3) GPS/ Big Dipper message process unit
This GPS/ Big Dipper message process unit function is that the Big Dipper and GPS information are sent by the setting-up time collection and after processing respectively, and the setting of acquisition time can be determined according to actual conditions.This part adopts the LPC1766 chip, supports at most 4 serial communications, and 32 single-chip microcomputers referring to as Fig. 2, are the programming flowchart of LPC1766.Three serial ports are wherein arranged: serial ports 1 connects Big Dipper communication, and serial ports 2 connects the GPS communication, and serial ports 0 connects upper machine communication, and priority is 0〉1〉2; Each serial ports has two wiring, and RX is used for reception information, and TX is used for transmission information.
4) level output unit
This unit is RS232 level output unit, and the effect of this part is to convert Transistor-Transistor Logic level to the RS232 level to give host computer, completes the information interaction functions such as location, short message, GPS.
5) power supply unit
Power supply unit can adopt single lithium battery power supply for transceiver unit, GPS/ Big Dipper message process unit and level output unit provide power supply, is low power dissipation design, can carry when equipment is hand-held; Also can adopt external 12V direct supply.
This end-user machine can be hand-held, and upper computer software is combined in GPS/ Big Dipper message reception ﹠ disposal unit; Can be also that this end-user machine is equipped with a computer (host computer) use.
The utility model except the above embodiments (a GPS/ Big Dipper generation), can be also the mode that a Big Dipper generation and the Big Dipper two generations system form, and primary structure is identical.
But terminal independent operating of the present utility model can the Real-time Collection locating information and send far-end command centre to, is particularly useful for the high speed moving targets such as aircraft.This equipment not only can receive gps signal, can also receive and send the signal of a Big Dipper generation, and gps signal can be sent by a Big Dipper generation, be the working in double modes mode, only in command centre, one station terminal is installed and is used as reception information, can satisfy the location of a plurality of flights and follow the tracks of.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that, in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.

Claims (10)

1. the Big Dipper/GPS dual-mode subscriber machine, this subscriber computer comprises antenna element, transceiver unit, power supply unit, GPS/ Big Dipper message process unit and level output unit, wherein power supply unit provides power supply for transceiver unit, GPS/ Big Dipper message process unit and level output unit, it is characterized in that, this transceiver unit has GPS work subelement and Big Dipper work subelement.
2. subscriber computer according to claim 1, is characterized in that, described antenna element is the input/output section of subscriber computer wireless data.
3. subscriber computer according to claim 1, is characterized in that, described Big Dipper work subelement comprises that RDSS baseband processing unit, A/D, RDSS receive and dispatch control module, low noise amplifier and radio-frequency power amplifier.
4. subscriber computer according to claim 1, is characterized in that, described GPS work subelement comprises RNSS baseband processing unit, A/D, RNSS transmitting-receiving control module, low noise amplifier.
5. subscriber computer according to claim 3, it is characterized in that, described Big Dipper work subelement is crossed the host computer information exchange RDSS baseband processing unit and is converted thereof into radiofrequency signal in conjunction with RDSS transmitting-receiving control module, sends by described antenna element through radio-frequency power amplifier; And the weak satellite signal that antenna reception is come processes by the low noise amplifier amplification filtering and gives the RDSS baseband processing unit by RDSS transmitting-receiving control module and A/D and convert the Transistor-Transistor Logic level message to, and gives host computer through described GPS/ Big Dipper message process unit.
6. subscriber computer according to claim 4, it is characterized in that, the weak satellite signal that described GPS work subelement is come antenna reception is processed by the low noise amplifier amplification filtering and is given the RNSS baseband processing unit by RNSS transmitting-receiving control module and A/D and convert the Transistor-Transistor Logic level message to, and gives host computer through GPS/ Big Dipper message process unit.
7. subscriber computer according to claim 1, is characterized in that, described GPS/ Big Dipper message process unit sends the Big Dipper and GPS information respectively by the setting-up time collection and after processing.
8. subscriber computer according to claim 5, is characterized in that, what described GPS/ Big Dipper message process unit adopted is the LPC1766 chip, and wherein serial ports 1 connects Big Dipper communication, and serial ports 2 connects the GPS communication, and serial ports 0 connects upper machine communication.
9. subscriber computer according to claim 1, is characterized in that, described power supply unit adopts single lithium battery power supply or external 12V direct supply; Described level output unit converts Transistor-Transistor Logic level to the RS232 level and gives host computer.
10. subscriber computer according to claim 1, is characterized in that, described subscriber computer is the equipment of hand-held.
CN 201220622737 2012-11-22 2012-11-22 Novel Big Dipper/GPS dual-mode user receiver Active CN203025350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103389503A (en) * 2013-07-10 2013-11-13 无锡星融恒通科技有限公司 Three-frequency radio-frequency transmitting-receiving communication and positioning device
CN104636193A (en) * 2013-11-08 2015-05-20 联想(北京)有限公司 Data processing method and electronic device
CN105353387A (en) * 2015-12-02 2016-02-24 天津七六四通信导航技术有限公司 Emergency positioning equipment based on first-generation Beidou and second-generation Beidou

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103389503A (en) * 2013-07-10 2013-11-13 无锡星融恒通科技有限公司 Three-frequency radio-frequency transmitting-receiving communication and positioning device
CN104636193A (en) * 2013-11-08 2015-05-20 联想(北京)有限公司 Data processing method and electronic device
CN104636193B (en) * 2013-11-08 2019-02-05 联想(北京)有限公司 A kind of data processing method and electronic equipment
CN105353387A (en) * 2015-12-02 2016-02-24 天津七六四通信导航技术有限公司 Emergency positioning equipment based on first-generation Beidou and second-generation Beidou

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