CN203259657U - Novel TD3020C dual-mode navigation and positioning module - Google Patents
Novel TD3020C dual-mode navigation and positioning module Download PDFInfo
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- CN203259657U CN203259657U CN 201320287181 CN201320287181U CN203259657U CN 203259657 U CN203259657 U CN 203259657U CN 201320287181 CN201320287181 CN 201320287181 CN 201320287181 U CN201320287181 U CN 201320287181U CN 203259657 U CN203259657 U CN 203259657U
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Abstract
The utility model discloses a novel TD3020C dual-mode navigation and positioning module. The novel TD3020C dual-mode navigation and positioning module comprises a power supply module, an antenna interface module, a reset interface module, a sleep mode control interface module, a 1PPS signal interface module, a UART interface module, and a GPIO interface module, wherein the power supply module, the antenna interface module, the reset interface module, the sleep mode control interface module, the 1PPS signal interface module, the UART interface module and the GPIO interface module are connected with a TD3020C body chip. The novel TD3020C dual-mode navigation and positioning module compensates the deficiency of a GPS system and a Beidou positioning system, a Beidou satellite positioning module served as a peripheral accessory can be flexibly selected by users, so that the purchasing pressure on users is relieved, the threshold for the use of a Beidou system is lowered, and the novel TD3020C dual-mode navigation and positioning module is beneficial to advancing the civil process of the Beidou system and promoting the Beidou system to exert social benefits earlier, and plays significant roles in satisfying the demands of national security and economic and social development on the satellite navigation systems, promoting the transformation of national informatization construction and economic development modes, and implementing the social and economic benefits of the satellite navigation industry.
Description
Technical field
Present case belongs to the navigating instrument technical field, relates in particular to a kind of novel TD3020C bimodulus navigation positioning module.
Background technology
Operable navigational system mainly contains the GPS (global positioning system) of the U.S. and the Beidou satellite navigation system of China's independent research (BEIDOU (COMPASS) Navigation Satellite System) in China domestic scope at present.Wherein gps system possesses the bearing accuracy height, the advantages such as wide coverage, but because this system is the control of the military of other country, can artificially increase under specific circumstances its positioning error or make its inefficacy, the end product of applying GPS only possesses the ability of unidirectional reception locating information in addition, lacks the interactive communication between terminal and system.Beidou satellite navigation system is the Chinese independent development capability of implementing, the GPS (Global Position System) of independent operating, 9 satellites have been launched at present, system has possessed location, navigation and time service and the short message communication service capabilities that covers the Asian-Pacific area, and the year two thousand twenty left and right sides is covering the whole world.Dipper system is devoted to provide location, navigation and time service service to global user, and bearing accuracy is 10 meters at present, degree of testing the speed 0.2 meter per second, 10 nanoseconds of time service precision.The present bearing accuracy of dipper system is low, and the shortcoming that coverage is little has also hindered by more products and adopted.Therefore, how to realize the location navigation of high precision, wide scope, can take precautions against again other country's human intervention positioning function, guaranteeing simultaneously between terminal and system can effective communication, becomes a great problem of current generation China's development autonomous navigation system.
The utility model content
The purpose of this utility model is to provide a kind of novel TD3020C bimodulus navigation positioning module, and it is low to be intended to solve present bearing accuracy, the problem that coverage is little.
Present case is to realize like this, a kind of novel TD3020C bimodulus navigation positioning module comprises power module, antenna interface module, reseting interface module, park mode control interface module, 1PPS Signal interface module, UART interface module, GPIO interface module, TD3020C body chip.
Power module connects TD3020C body chip, antenna interface module connects TD3020C body chip, the reseting interface module connects TD3020C body chip, park mode control interface module connects TD3020C body chip, the 1PPS Signal interface module connects TD3020C body chip, the UART interface module connects TD3020C body chip, and the GPIO interface module connects TD3020C body chip.
Wherein power module is provided with three power supply input pins (VCC, V_BCKP and V_ANT) and two power supply output pin (VCC_OUT and VCC_RF)
Further, antennal interface (RF_IN pin) can directly connect BD2B1/GPS L1 bimodulus active antenna, can realize the bimodulus navigator fix.The inner employing of this interface 50 Ω impedance matchings.
Further, park mode control interface module, when PWR-DWN pin input low level, module enters park mode, and power consumption is down to below the 5mA; When input reverted to high level, after module-external resetted, module can be recovered normal operation.If use this pin that module is carried out the switch electric control, the V_BCKP pin need not to access backup battery, and module also can realize the warm start function.
The utility model has remedied the deficiency of gps system and Big Dipper positioning system, the big-dipper satellite locating module can be selected flexibly as peripheral hardware accessory user, alleviated user's purchase pressure, reduced the use threshold of dipper system, be conducive to the process that advances dipper system civilian, impel the social benefit of dipper system performance self more early, satisfy national security and socio-economic development to the demand of satellite navigation system, can promote national information construction and Economic Development Mode to change, the Social benefit and economic benefit of realizing the satellite navigation industry is had significant role.
Description of drawings
Fig. 1 is a kind of novel TD3020C bimodulus navigation positioning module structural representation that the utility model provides
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 has shown a kind of novel TD3020C bimodulus navigation positioning module that present case provides.For convenience of explanation, only show the part relevant with present case.
Be further described below in conjunction with the application principle of drawings and the specific embodiments to present case.
As shown in Figure 1, present case provides a kind of novel TD3020C bimodulus navigation positioning module, comprising: power module 1, antenna interface module 2, reseting interface module 3, park mode control interface module 4,1PPS Signal interface module 5, UART interface module 6, GPIO interface module 7, TD3020C body chip 8.
1, power module 1: three power supply input pins (VCC, V_BCKP and V_ANT) and two power supply output pin (VCC_OUT and VCC_RF) are arranged.
Wherein VCC is the work primary power of module; V_BCKP is the backup input power of module, when cutting off the power supply, primary power VCC to the RTC circuit supply, guarantees that key message do not lose, to realize the warm start function, inside modules is designed with the charging circuit to standby power supply V_BCKP, recommends external chargeable battery or large bulk capacitance; V_ANT is antenna power supply input pin, and inside modules is connected with RF_IN by inductance; VCC_OUT is modular power source status monitoring pin, output VCC magnitude of voltage, and whether this pin voltage can be monitored in the outside, normal with the judge module power supply; VCC_RF output VCC magnitude of voltage can be used for the antenna power supply.
2, antenna interface module 2: the antennal interface of this module (RF_IN pin) can directly connect BD2B1/GPS L1 bimodulus active antenna.The inner employing of this interface 50 Ω impedance matchings.
3, the reseting interface module 3: the module support is outside uses RESET pin reset (Low level effective).Be to guarantee the module normal operation, suggestion powers on and rear module is carried out an external reset.
4, park mode control interface module 4: when PWR-DWN pin input low level, module enters park mode, and power consumption is down to below the 5mA; When input reverted to high level, after module-external resetted, module can be recovered normal operation.If use this pin that module is carried out the switch electric control, the V_BCKP pin need not to access backup battery, and module also can realize the warm start function.
5,1PPS Signal interface module 5:1PPS is pps pulse per second signal output.
6, the UART interface module 6: be designed with two groups of UART serial ports, be respectively serial ports 1 (TXD1/RXD1) and serial ports 2 (TXD2/RXD2).Serial ports 1 is in UTC border second output NMEA data, and host computer also can carry out the operations such as mode of operation switching, software upgrading by this serial ports to module.The baud rate scope of module support is 4800bps～115200bps, and default baud rate is 9600bps.Data layout is: 1 of start bit, 8 of data bit, 1 of position of rest, no parity check position.Serial ports 2 is alternate serial ports, in order to export the data of user-defined format, also can be used for software upgrading.
7, the GPIO interface module 7: modular design has 3 GPIO interfaces (GPI01/GPI02/GPI03), can define according to user's request the function of this interface.
8, TD3020C body chip 8: intermediate-frequency filter is delivered in radio frequency chip inside after LNA amplification, Frequency mixing processing, then by VGA and AGC, converts digital medium-frequency signal to through AD again and gives baseband chip.Baseband chip receives the digital medium-frequency signal that radio frequency chip is sent here, through catching and after the series of algorithms such as tracking, positioning calculation process, by serial ports output NMEA data and provide the 1PPS signal.
Below in conjunction with drawings and the specific embodiments application principle of the present utility model is further described.
The TD3020C module can be to outside BD2B1/GPS L1 active antenna power supply.External active antenna reception overhead satellites signal is given radio frequency chip, and intermediate-frequency filter is delivered in radio frequency chip inside after LNA amplification, Frequency mixing processing, then by VGA and AGC, converts digital medium-frequency signal to through AD again and gives baseband chip.Baseband chip receives the digital medium-frequency signal that radio frequency chip is sent here, through catching and after the series of algorithms such as tracking, positioning calculation process, by serial ports output NMEA data and provide the 1PPS signal.The TD3020C module provides high sensitivity, low-power consumption, BD2B1/GPS L1 dual-mode solution cheaply for the manufacturing of the navigator fix end products such as vehicle-mounted, boat-carrying and portable hand-held.Pin-to-pin is compatible on TD3020C module and the main flow GPS module hardware, can directly replace on the plate, and smooth upgrade is the bimodulus navigator fix, greatly saves navigator fix end product design time.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a novel TD3020C bimodulus navigation positioning module is characterized in that, described novel TD3020C bimodulus navigation positioning module comprises:
Power module links to each other with TD3020C body chip, for described TD3020C body chip provides constant current source;
Antenna interface module links to each other with TD3020C body chip, as the interface of outside BD2B1/GPS L1 active antenna;
The reseting interface module links to each other with TD3020C body chip, and the reset function of TD3020C body chip is provided;
Park mode control interface module links to each other with TD3020C body chip, and the dormancy mode of operation is provided, and reduces system consumption, lengthens working hours;
The 1PPS Signal interface module links to each other with TD3020C body chip, and pps pulse per second signal output is provided;
The UART interface module links to each other with TD3020C body chip, and host computer carries out mode of operation switching, software upgrading by this module;
The GPIO interface module links to each other with TD3020C body chip, and the user can define the function of this interface according to demand.
2. novel TD3020C bimodulus navigation positioning module as claimed in claim 1 is characterized in that described power module has three power supply input pin VCC, V_BCKP and V_ANT, two power supply output pin VCC_OUT and VCC_RF.
3. novel TD3020C bimodulus navigation positioning module as claimed in claim 1 is characterized in that, described antenna interface module interface is inner to adopt 50 Ω impedance matchings.
4. novel TD3020C bimodulus navigation positioning module as claimed in claim 1 is characterized in that, described reseting interface module-external uses the RESET pin to reset.
5. novel TD3020C bimodulus navigation positioning module as claimed in claim 1 is characterized in that described UART Design of Interface Module has two groups of UART serial ports, is respectively serial ports TXD1/RXD1 and serial ports TXD2/RXD2.
6. novel TD3020C bimodulus navigation positioning module as claimed in claim 1 is characterized in that described GPIO Design of Interface Module has 3 GPIO interface GPI01, GPI02, GPI03.
7. novel TD3020C bimodulus navigation positioning module as claimed in claim 1 is characterized in that in the described TD3020C body chip radio frequency chip, intermediate-frequency filter and baseband chip being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287181 CN203259657U (en) | 2013-05-24 | 2013-05-24 | Novel TD3020C dual-mode navigation and positioning module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320287181 CN203259657U (en) | 2013-05-24 | 2013-05-24 | Novel TD3020C dual-mode navigation and positioning module |
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| CN203259657U true CN203259657U (en) | 2013-10-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062890A (en) * | 2014-07-10 | 2014-09-24 | 江苏艾倍科科技有限公司 | Big Dipper watch |
| CN108241162A (en) * | 2016-12-23 | 2018-07-03 | 广东互云科技有限公司 | Satellite positioning circuitry, positioning cradle head and holder localization method |
| CN113759398A (en) * | 2020-06-01 | 2021-12-07 | 中国民航大学 | Beidou chip main control board for innovative application development and assembling method thereof |
-
2013
- 2013-05-24 CN CN 201320287181 patent/CN203259657U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062890A (en) * | 2014-07-10 | 2014-09-24 | 江苏艾倍科科技有限公司 | Big Dipper watch |
| CN108241162A (en) * | 2016-12-23 | 2018-07-03 | 广东互云科技有限公司 | Satellite positioning circuitry, positioning cradle head and holder localization method |
| CN113759398A (en) * | 2020-06-01 | 2021-12-07 | 中国民航大学 | Beidou chip main control board for innovative application development and assembling method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20150524 |
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| EXPY | Termination of patent right or utility model |