CN108646278A - A kind of GNSS Differential positionings orienting device - Google Patents
A kind of GNSS Differential positionings orienting device Download PDFInfo
- Publication number
- CN108646278A CN108646278A CN201810313552.6A CN201810313552A CN108646278A CN 108646278 A CN108646278 A CN 108646278A CN 201810313552 A CN201810313552 A CN 201810313552A CN 108646278 A CN108646278 A CN 108646278A
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- module
- receiver module
- level
- mcu
- orienting device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/40—Correcting position, velocity or attitude
- G01S19/41—Differential correction, e.g. DGPS [differential GPS]
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention relates to a kind of GNSS Differential positionings orienting device, including DC filtering module, DC filtering module is filtered 28.5VDC ± 3V d. c. voltage signals of input；The low ripple d. c. voltage signal of input is converted into 5V d. c. voltage signals by C/DC power conversion modules, is exported respectively to LDO power conversion modules and receiver module；The 5V DC voltages that DC/DC power conversion modules export are converted into 3.3V DC voltages by LDO power conversion modules；Receiver module connects GNSS antenna；MCU is exported to level conversion and isolation module；Level conversion mutually converts the 3.3V serial ports level of MCU and receiver module with RS232 level is isolated with isolation module, by the 5V level that the 3.3V pulse per second (PPS)s level conversion that receiver module exports is isolation.A kind of GNSS Differential positionings orienting device disclosed by the invention has many advantages, such as that data update speed is fast, low in energy consumption.
Description
Technical field
The present invention relates to a kind of accurate quick positioning and directing equipment of satellite navigation system, and in particular to a kind of GNSS difference
Positioning and orienting device.
Background technology
Positioning system (be mutually related an aggregate or the device (portion constituted as target using determining spatial position
Part)) refer generally to global positioning system (Global Positioning System).Briefly, this is one by covering the whole world
24 satellites composition satellite system.This system can ensure that any point can be simultaneously on the earth at any time
4 satellites are observed, to ensure that satellite can collect the longitude and latitude and height of the observation point, to realize navigation, to position, award
When etc. functions.This technology can be used for vector aircraft, ship, vehicle and individual, safely and accurately along selected road
Line arrives punctually at the destination.The Beidou satellite navigation system etc. for also having China autonomous in addition to the U.S..
Current existing positioning and directing equipment is mostly with fixed and not modifiable data format output satellite state original number
According to flexibility is insufficient.
Invention content
The purpose of the present invention is being directed to deficiency in the prior art, a kind of GNSS Differential positionings orienting device is provided, it can be defeated
Go out multiple types data, the radio station convenient for docking the same communications protocols or other users equipment.
To achieve the above object, the invention discloses following technical solutions：
A kind of GNSS Differential positionings orienting device, including DC filtering module, DC/DC power conversion modules, LDO power supplys turn
Change the mold block, receiver module, MCU, level conversion and isolation module；
The DC filtering module is filtered 28.5VDC ± 3V d. c. voltage signals of input, it is made to export low line
Wave d. c. voltage signal, DC filtering module are exported to DC/DC power conversion modules；
28.5VDC ± 3V low ripple d. c. voltage signals of input are converted into 5V direct currents by DC/DC power conversion modules
Signal is pressed, is exported respectively to LDO power conversion modules and receiver module, is powered for whole system；
LDO power conversion modules by the 5V DC voltages that DC/DC power conversion modules export be converted into receiver module and
The required 3.3V DC voltages of MCU；
The receiver module connects GNSS antenna, is powered for GNSS antenna by 5V voltages, receiver module includes three
Road RS232 serial ports and 1 road 1PPS, wherein two-way RS232 serial ports connect MCU, and the remaining serial ports of RS232 all the way and 1 road 1PPS connect
Connect storage battery conversion and isolation module；
The MCU is exported to level conversion and isolation module；
The level conversion and isolation module by the 3.3V serial ports level of MCU and receiver module with RS232 level is isolated
It mutually converts, by the 5V level that the 3.3V pulse per second (PPS)s level conversion that receiver module exports is isolation.
In further technical solution, the model M-FIAM9 of the DC filtering module.
In further technical solution, the DC/DC power conversion modules use the V24C5M100BL3 of VICOR power supplys
Model, 18~36VDC of input voltage, output voltage 5VDC, output power 100W, by common mode inductance ACM1513-551-2PL
Output voltage 5VDC, powers directly to receiver module antenna all the way, and another way is converted to receiver module and MCU institutes through LDO
The 3.3VDC needed.
In further technical solution, the LDO power conversion modules use the LT1764AEQ-3.3 low noises of LT companies
Sound LDO power modules.
In further technical solution, the LDO power conversion modules select two panels LT1764AEQ-3.3 low noises
LDO power module parallel connections access.
In further technical solution, the model LTM2882 of the level conversion and isolation module.
In further technical solution, the MCU selects the STM32F103VET6 chips of ST companies.
In further technical solution, the receiver module selects NovAtel company OEM series of reception machines.
A kind of GNSS Differential positionings orienting device disclosed by the invention, has the advantages that：
GNSS Differential positioning orienting devices are accurate based on GPS satellite navigation system and GLONASS satellite navigation system
Quick positioning and directing equipment is realizing real-time requiring, double-frequency directional, is testing the speed and timing function while can also extract
Satellite state information and positioning and directing data and with the frequency of 10Hz and pulse per second (PPS) synchronism output, data update speed is fast, power consumption
It is low, can under -40 DEG C~+60 DEG C of temperature environment steady operation.
Data are exported with RS232 communication modes, can dock the radio station or other users equipment of the same communications protocols.
Data abstraction techniques can be rejected not in the case where the multiple types of receiver output, frequency are fast, big per frame data amount
The data needed integrate significant data and are output to user equipment.
Description of the drawings
Fig. 1 is the system pie graph of the present invention,
Fig. 2 is the wiring diagram of DC filtering module and DC/DC power conversion modules,
Fig. 3 is the wiring diagram of LDO power conversion modules；
Fig. 4 is a kind of wiring diagram of level conversion and isolation module；
Fig. 5 is another wiring diagram of level conversion and isolation module；
Fig. 6 is the wiring diagram of MCU；
Fig. 7 is the wiring diagram of receiver module.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
As shown in figs. 1-7, a kind of GNSS Differential positionings orienting device, including DC filtering module, DC/DC power supply moduluss of conversion
Block, LDO power conversion modules, receiver module, MCU, level conversion and isolation module；
DC filtering module is filtered 28.5VDC ± 3V d. c. voltage signals of input, so that it is exported low ripple straight
Voltage signal is flowed, DC filtering module is exported to DC/DC power conversion modules；
28.5VDC ± 3V low ripple d. c. voltage signals of input are converted into 5V direct currents by DC/DC power conversion modules
Signal is pressed, is exported respectively to LDO power conversion modules and receiver module, is powered for whole system；
LDO power conversion modules by the 5V DC voltages that DC/DC power conversion modules export be converted into receiver module and
The required 3.3V DC voltages of MCU；
Receiver module connects GNSS antenna, is powered for GNSS antenna by 5V voltages, receiver module includes three tunnels
RS232 serial ports and 1 road 1PPS, wherein two-way RS232 serial ports connect MCU, the remaining serial ports of RS232 all the way and 1 road 1PPS connections
Storage battery is converted and isolation module；
MCU is exported to level conversion and isolation module；
Level conversion and isolation module by the 3.3V serial ports level of MCU and receiver module with that RS232 level is isolated is mutual
Conversion, by the 5V level that the 3.3V pulse per second (PPS)s level conversion that receiver module exports is isolation.
In further technical solution, the model M-FIAM9 of DC filtering module.
In further technical solution, DC/DC power conversion modules use the V24C5M100BL3 types of VICOR power supplys
Number, 18~36VDC of input voltage, output voltage 5VDC, output power 100W is defeated by common mode inductance ACM1513-551-2PL
Go out voltage 5VDC, power all the way directly to receiver module antenna, another way is converted to through LDO needed for receiver module and MCU
3.3VDC.
In further technical solution, LDO power conversion modules use the LT1764AEQ-3.3 low noises of LT companies
LDO power modules.
In further technical solution, LDO power conversion modules select two panels LT1764AEQ-3.3 low noises LDO electricity
Source module parallel connection accesses.
In further technical solution, the model LTM2882 of level conversion and isolation module.
In further technical solution, MCU selects the STM32F103VET6 chips of ST companies.
In further technical solution, receiver module selects NovAtel company OEM series of reception machines.
The above is only a preferred embodiment of the present invention, rather than its limitations；Although should be pointed out that with reference to above-mentioned each
Embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it still can be to above-mentioned each
Technical solution recorded in embodiment is modified, or carries out equivalent replacement to which part or all technical features；And this
A little modifications and replacement, do not make the essence of corresponding technical solution depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. a kind of GNSS Differential positionings orienting device, which is characterized in that including DC filtering module, DC/DC power conversion modules,
LDO power conversion modules, receiver module, MCU, level conversion and isolation module；
The DC filtering module is filtered 28.5VDC ± 3V d. c. voltage signals of input, so that it is exported low ripple straight
Voltage signal is flowed, DC filtering module is exported to DC/DC power conversion modules；
28.5VDC ± 3V low ripple d. c. voltage signals of input are converted into 5V DC voltages letter by DC/DC power conversion modules
Number, it is exported respectively to LDO power conversion modules and receiver module；
The 5V DC voltages that DC/DC power conversion modules export are converted into receiver module and MCU institutes by LDO power conversion modules
The 3.3V DC voltages needed；
The receiver module connects GNSS antenna, is powered for GNSS antenna by 5V voltages, receiver module includes three tunnels
RS232 serial ports and 1 road 1PPS, wherein two-way RS232 serial ports connect MCU, the remaining serial ports of RS232 all the way and 1 road 1PPS connections
Storage battery is converted and isolation module；
The MCU is exported to level conversion and isolation module；
The level conversion and isolation module by the 3.3V serial ports level of MCU and receiver module with that RS232 level is isolated is mutual
Conversion, by the 5V level that the 3.3V pulse per second (PPS)s level conversion that receiver module exports is isolation.
2. a kind of GNSS Differential positionings orienting device according to claim 1, which is characterized in that the DC filtering module
Model M-FIAM9.
3. a kind of GNSS Differential positionings orienting device according to claim 1, which is characterized in that the DC/DC power supplys turn
Change the mold the V24C5M100BL3 models that block uses VICOR power supplys, 18~36VDC of input voltage, output voltage 5VDC, output power
100W powers directly to receiver module antenna, separately all the way by common mode inductance ACM1513-551-2PL output voltage 5VDC
The 3.3VDC needed for receiver module and MCU is converted to through LDO all the way.
4. a kind of GNSS Differential positionings orienting device according to claim 1, which is characterized in that the LDO power supplys conversion
Module uses the LT1764AEQ-3.3 low noise LDO power modules of LT companies.
5. a kind of GNSS Differential positionings orienting device according to claim 1, which is characterized in that the LDO power supplys conversion
Module selects two panels LT1764AEQ-3.3 low noise LDO power module parallel connections access.
6. a kind of GNSS Differential positionings orienting device according to claim 1, which is characterized in that the level conversion with every
Model LTM2882 from module.
7. a kind of GNSS Differential positionings orienting device according to claim 1, which is characterized in that the MCU selects ST public
The STM32F103VET6 chips of department.
8. a kind of GNSS Differential positionings orienting device according to claim 1, which is characterized in that the receiver module choosing
With NovAtel companies OEM series of reception machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313552.6A CN108646278A (en) | 2018-04-10 | 2018-04-10 | A kind of GNSS Differential positionings orienting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313552.6A CN108646278A (en) | 2018-04-10 | 2018-04-10 | A kind of GNSS Differential positionings orienting device |
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| Publication Number | Publication Date |
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| CN108646278A true CN108646278A (en) | 2018-10-12 |
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| CN201810313552.6A Pending CN108646278A (en) | 2018-04-10 | 2018-04-10 | A kind of GNSS Differential positionings orienting device |
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Citations (7)
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| CN102540866A (en) * | 2011-12-19 | 2012-07-04 | 西安合众思壮导航技术有限公司 | Multimode multi-machine X-channel programmable pulse synchronization control method and device |
| CN104678754A (en) * | 2015-03-25 | 2015-06-03 | 天津七六四通信导航技术有限公司 | Full-function type time synchronization system |
| US20160195620A1 (en) * | 2013-08-15 | 2016-07-07 | Comnav Technology Ltd. | Radio frequency circuit structure for implementing function of converting gnss satellite signal into baseband signal |
| CN205404812U (en) * | 2016-02-03 | 2016-07-27 | 石家庄市经纬度科技有限公司 | High accuracy positioning orientation equipment based on compass navigation satellite system |
| CN205679765U (en) * | 2016-06-20 | 2016-11-09 | 北京七维航测科技股份有限公司 | Positioning time service equipment |
| CN107121685A (en) * | 2017-06-08 | 2017-09-01 | 南京理工大学 | A kind of miniature spaceborne high-dynamic GNSS receiver and its air navigation aid |
| US20180011162A1 (en) * | 2015-02-09 | 2018-01-11 | Concentric Real Time, Llc | Radio receiver for determining location of a signal source |
-
2018
- 2018-04-10 CN CN201810313552.6A patent/CN108646278A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540866A (en) * | 2011-12-19 | 2012-07-04 | 西安合众思壮导航技术有限公司 | Multimode multi-machine X-channel programmable pulse synchronization control method and device |
| US20160195620A1 (en) * | 2013-08-15 | 2016-07-07 | Comnav Technology Ltd. | Radio frequency circuit structure for implementing function of converting gnss satellite signal into baseband signal |
| US20180011162A1 (en) * | 2015-02-09 | 2018-01-11 | Concentric Real Time, Llc | Radio receiver for determining location of a signal source |
| CN104678754A (en) * | 2015-03-25 | 2015-06-03 | 天津七六四通信导航技术有限公司 | Full-function type time synchronization system |
| CN205404812U (en) * | 2016-02-03 | 2016-07-27 | 石家庄市经纬度科技有限公司 | High accuracy positioning orientation equipment based on compass navigation satellite system |
| CN205679765U (en) * | 2016-06-20 | 2016-11-09 | 北京七维航测科技股份有限公司 | Positioning time service equipment |
| CN107121685A (en) * | 2017-06-08 | 2017-09-01 | 南京理工大学 | A kind of miniature spaceborne high-dynamic GNSS receiver and its air navigation aid |
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Application publication date: 20181012 |