CN104459739A - GPS single-mode positioning device - Google Patents
GPS single-mode positioning device Download PDFInfo
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- CN104459739A CN104459739A CN201410550585.4A CN201410550585A CN104459739A CN 104459739 A CN104459739 A CN 104459739A CN 201410550585 A CN201410550585 A CN 201410550585A CN 104459739 A CN104459739 A CN 104459739A
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- gps
- pin
- chip
- electric capacity
- gps positioning
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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
- G01S19/42—Determining position
Abstract
The invention relates to a GPS single-mode positioning device which solves the problem of signal lag. According to the technical scheme, the positioning device is fixed outside or inside a vehicle body and is supplied with power by a power source, and the power source is divided into an input power source body, a standby power source body and a digital power source body; the positioning device comprises a GPS positioning chip, a GPS module, a first gating circuit, a second gating circuit, a temperature-compensation crystal oscillator, a low-voltage-drop voltage stabilizer U1, a low-voltage-drop voltage stabilizer U4 and a filter U5, an EEPROM and the GPS positioning chip are connected with the GPS module through the filter U5, the GPS positioning chip is connected with the GPS module through the first gating circuit and the second gating circuit, the power source outputs a first standard power source body through the low-voltage-drop voltage stabilizer U1 to supply power to the GPS positioning chip, the EEPROM, the GPS module, the first gating circuit and the second gating circuit, the power source outputs the standby power source body through the low-voltage-drop voltage stabilizer U4 to supply power to the GPS module, the EEPROM is connected with the GPS positioning chip, and the GPS positioning chip is electrically connected with the temperature-compensation crystal oscillator. The capacity for receiving signals is high, reception of the GPS signals is not affected, and the lag phenomenon does not exist in the signal obtaining process.
Description
Technical field
The invention belongs to vehicle carried pick device, particularly one has good water proofing property, can be arranged on the GPS single mode locating device outside car.
Background technology
At present, vehicle GPS positioning navigation device due to signal reception exist necessarily delayed and resolve unclear, cause obtaining signal and there is certain hysteresis phenomenon, many puzzlements are brought to bus location in high-speed action, in addition on the one hand in the place that signal intensity is more weak, also easily occur the disadvantageous situation of signal acquisition, these are all current GPS single mode locating device areas for improvement.
Chinese Patent Application No. CN201120011020.0 discloses a kind of vehicle-mounted GPS positioning system.It includes shell, draw-in groove, interface, signal lamp and power switch, and described draw-in groove is arranged at the bottom of described shell, and described interface and described signal lamp are arranged at the sidepiece of described shell respectively, and described power switch is arranged at described shell; The side of described draw-in groove is provided with breaking-proof switch; The bottom of described shell is provided with strong magnets; The inside of described vehicle-mounted GPS positioning system is provided with a magnetic-inductive device.Compared with prior art, vehicle-mounted GPS positioning system of the present invention directly can be adsorbed on the enterprising enforcement use of vehicle, not only simple installation, easy to use, and small volume, has tracing and positioning function and car anti-theft function in one simultaneously.This patent is identical with background technology, and Received signal strength ability is weak, affects the reception of gps signal to a certain extent, causes obtaining the problem that signal exists certain hysteresis phenomenon.
Summary of the invention
It is weak that the object of the invention is to solve Received signal strength ability, affect the reception of gps signal to a certain extent, cause obtaining the problem that signal exists certain hysteresis phenomenon, there is provided a kind of Received signal strength ability strong, do not affect the reception of gps signal, obtain the GPS single mode locating device that signal does not exist hysteresis phenomenon.
The technical solution adopted for the present invention to solve the technical problems is: a kind of GPS single mode locating device, be fixed on the outside or inside of car body, by Power supply, power supply is divided into input power, standby power supply and digital power, comprise GPS positioning chip, GPS module, first gating circuit, second gating circuit, temperature compensating crystal oscillator, low dropout voltage regulator U1, low dropout voltage regulator U4 and wave filter U5, EEPROM, described GPS positioning chip passes through the connection of wave filter U5 and described GPS module, described GPS positioning chip is also respectively by the connection of the first gating circuit and the second gating circuit and described GPS module, described power supply exports the first reference power supply to GPS positioning chip by low dropout voltage regulator U1, EEPROM, GPS module, first gating circuit and the second gating circuit are powered, described power supply exports backup battery by low dropout voltage regulator U4 and powers to GPS module, described EEPROM and GPS positioning chip connects, GPS positioning chip is also electrically connected with described temperature compensating crystal oscillator.Received signal strength ability is strong, does not affect the reception of gps signal, obtains signal and there is not hysteresis phenomenon.
As preferably, described GPS positioning chip is GSD4e_WLCSP_42D chip, and GPS positioning chip is connected with temperature compensating crystal oscillator and clock crystal oscillator, and described GPS module is OEM1315 chip, and described EEPROM adopts M24M01-RCS6P chip.
As preferably, first gating circuit comprises switch chip Q1, resistance R10 and resistance R6, first pin of described switch chip Q1 is connected with digital power, the crus secunda of described switch chip Q1 is connected with digital power by resistance R10, the tripod of switch chip Q1 is connected with input power by resistance R6, the crus secunda of described switch chip Q1 is connected with GPS positioning chip TX pin, and the described tripod of switch chip Q1 is connected with the TXA pin of GPS module.
As preferably, first gating circuit comprises switch chip Q2 and resistance R6, first pin of described switch chip Q2 is connected with digital power, the tripod of switch chip Q2 is connected with input power by resistance R7, the crus secunda of described switch chip Q2 is connected with GPS positioning chip GPIO5 pin, and the described tripod of switch chip Q2 is connected with the TIMEPLUSE pin of GPS module.
As preferably, low dropout voltage regulator U1 comprises TLV70018 chip, electric capacity C7 and electric capacity C8, first pin of low dropout voltage regulator U1 is all connected with input power with tripod, 5th pin of low dropout voltage regulator U1 is connected with digital power, one end ground connection of electric capacity C7, the other end of electric capacity C7 is connected with input power, one end ground connection of electric capacity C8, the other end of electric capacity C8 is electrically connected with input power, the crus secunda ground connection of low dropout voltage regulator U1.
As preferably, low dropout voltage regulator U4 comprises TLV70018 chip, diode D1 electric capacity C10 and electric capacity C11, first pin of low dropout voltage regulator U4 is all connected with input power by diode D1 with tripod, 5th pin of low dropout voltage regulator U1 is connected with digital power, the first end ground connection of electric capacity C10, second end of electric capacity C10 is connected with the negative electrode of diode D1, second end of electric capacity C10 is also connected with standby power supply, one end ground connection of electric capacity C11, the other end of electric capacity C11 is electrically connected with input power, the crus secunda ground connection of low dropout voltage regulator U1.
As preferably, the 5th pin of described EEPROM is connected with the GPIO0 of GPS positioning chip, and the 6th pin of described EEPROM is connected with the GPIO1 of GPS positioning chip.
As preferably, the LNA_IN pin of GPS positioning chip is by being connected with the OUT1 pin of wave filter U5 after the inductance L 5 of a 12nH, the OUT0 pin ground connection of wave filter U5, the IN pin of wave filter U5 is connected with the RF_IN pin of GPS module, the RF_VOUT pin of GPS module is all connected with input power with VIN pin, the VBAT pin of GPS module is connected with standby power supply, the RXA pin of GPS module is be connected with the RX pin of GPS positioning chip after the resistance of 5.6K ohm by a resistance, and the RX pin of GPS positioning chip is also by the resistance eutral grounding of a 10K ohm.
As preferably, the useful power ratio of inductance L 5 is greater than 60.
Substantial effect of the present invention is: Received signal strength ability is strong, does not affect the reception of gps signal, obtains signal and there is not hysteresis phenomenon.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory schematic diagram of the present embodiment.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
Embodiment:
A kind of GPS single mode locating device (see accompanying drawing 1), be fixed on the outside or inside of car body, by Power supply, power supply is divided into input power, standby power supply and digital power, comprise GPS positioning chip, GPS module, first gating circuit, second gating circuit, temperature compensating crystal oscillator, low dropout voltage regulator U1, low dropout voltage regulator U4 and wave filter U5, EEPROM, described GPS positioning chip passes through the connection of wave filter U5 and described GPS module, described GPS positioning chip is also respectively by the connection of the first gating circuit and the second gating circuit and described GPS module, described power supply exports the first reference power supply to GPS positioning chip by low dropout voltage regulator U1, EEPROM, GPS module, first gating circuit and the second gating circuit are powered, described power supply exports backup battery by low dropout voltage regulator U4 and powers to GPS module, described EEPROM and GPS positioning chip connects, GPS positioning chip is also electrically connected with described temperature compensating crystal oscillator.Described GPS positioning chip is GSD4e_WLCSP_42D chip, and GPS positioning chip is connected with temperature compensating crystal oscillator and clock crystal oscillator, and described GPS module is OEM1315 chip, and described EEPROM adopts M24M01-RCS6P chip.First gating circuit comprises switch chip Q1, resistance R10 and resistance R6, first pin of described switch chip Q1 is connected with digital power, the crus secunda of described switch chip Q1 is connected with digital power by resistance R10, the tripod of switch chip Q1 is connected with input power by resistance R6, the crus secunda of described switch chip Q1 is connected with GPS positioning chip TX pin, and the described tripod of switch chip Q1 is connected with the TXA pin of GPS module.First gating circuit comprises switch chip Q2 and resistance R6, first pin of described switch chip Q2 is connected with digital power, the tripod of switch chip Q2 is connected with input power by resistance R7, the crus secunda of described switch chip Q2 is connected with GPS positioning chip GPIO5 pin, and the described tripod of switch chip Q2 is connected with the TIMEPLUSE pin of GPS module.Low dropout voltage regulator U1 comprises TLV70018 chip, electric capacity C7 and electric capacity C8, first pin of low dropout voltage regulator U1 is all connected with input power with tripod, 5th pin of low dropout voltage regulator U1 is connected with digital power, one end ground connection of electric capacity C7, the other end of electric capacity C7 is connected with input power, one end ground connection of electric capacity C8, the other end of electric capacity C8 is electrically connected with input power, the crus secunda ground connection of low dropout voltage regulator U1.Low dropout voltage regulator U4 comprises TLV70018 chip, diode D1 electric capacity C10 and electric capacity C11, first pin of low dropout voltage regulator U4 is all connected with input power by diode D1 with tripod, 5th pin of low dropout voltage regulator U1 is connected with digital power, the first end ground connection of electric capacity C10, second end of electric capacity C10 is connected with the negative electrode of diode D1, second end of electric capacity C10 is also connected with standby power supply, one end ground connection of electric capacity C11, the other end of electric capacity C11 is electrically connected with input power, the crus secunda ground connection of low dropout voltage regulator U1.5th pin of described EEPROM is connected with the GPIO0 of GPS positioning chip, and the 6th pin of described EEPROM is connected with the GPIO1 of GPS positioning chip.The LNA_IN pin of GPS positioning chip is by being connected with the OUT1 pin of wave filter U5 after the inductance L 5 of a 12nH, the OUT0 pin ground connection of wave filter U5, the IN pin of wave filter U5 is connected with the RF_IN pin of GPS module, the RF_VOUT pin of GPS module is all connected with input power with VIN pin, the VBAT pin of GPS module is connected with standby power supply, the RXA pin of GPS module is be connected with the RX pin of GPS positioning chip after the resistance of 5.6K ohm by a resistance, and the RX pin of GPS positioning chip is also by the resistance eutral grounding of a 10K ohm.The useful power ratio of inductance L 5 is greater than 60.
The present embodiment Received signal strength ability is strong, does not affect the reception of gps signal, obtains signal and there is not hysteresis phenomenon.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (9)
1. a GPS single mode locating device, be fixed on the outside or inside of car body, by Power supply, power supply is divided into input power, standby power supply and digital power, it is characterized in that: comprise GPS positioning chip, GPS module, first gating circuit, second gating circuit, temperature compensating crystal oscillator, low dropout voltage regulator U1, low dropout voltage regulator U4 and wave filter U5, EEPROM, described GPS positioning chip passes through the connection of wave filter U5 and described GPS module, described GPS positioning chip is also respectively by the connection of the first gating circuit and the second gating circuit and described GPS module, described power supply exports the first reference power supply to GPS positioning chip by low dropout voltage regulator U1, EEPROM, GPS module, first gating circuit and the second gating circuit are powered, described power supply exports backup battery by low dropout voltage regulator U4 and powers to GPS module, described EEPROM and GPS positioning chip connects, GPS positioning chip is also electrically connected with described temperature compensating crystal oscillator.
2. GPS single mode locating device according to claim 1, it is characterized in that: described GPS positioning chip is GSD4e_WLCSP_42D chip, GPS positioning chip is connected with temperature compensating crystal oscillator and clock crystal oscillator, described GPS module is OEM1315 chip, and described EEPROM adopts M24M01-RCS6P chip.
3. GPS single mode locating device according to claim 2, it is characterized in that: the first gating circuit comprises switch chip Q1, resistance R10 and resistance R6, first pin of described switch chip Q1 is connected with digital power, the crus secunda of described switch chip Q1 is connected with digital power by resistance R10, the tripod of switch chip Q1 is connected with input power by resistance R6, the crus secunda of described switch chip Q1 is connected with GPS positioning chip TX pin, and the described tripod of switch chip Q1 is connected with the TXA pin of GPS module.
4. GPS single mode locating device according to claim 2, it is characterized in that: the first gating circuit comprises switch chip Q2 and resistance R6, first pin of described switch chip Q2 is connected with digital power, the tripod of switch chip Q2 is connected with input power by resistance R7, the crus secunda of described switch chip Q2 is connected with GPS positioning chip GPIO5 pin, and the described tripod of switch chip Q2 is connected with the TIMEPLUSE pin of GPS module.
5. GPS single mode locating device according to claim 2, it is characterized in that: low dropout voltage regulator U1 comprises TLV70018 chip, electric capacity C7 and electric capacity C8, first pin of low dropout voltage regulator U1 is all connected with input power with tripod, 5th pin of low dropout voltage regulator U1 is connected with digital power, one end ground connection of electric capacity C7, the other end of electric capacity C7 is connected with input power, one end ground connection of electric capacity C8, the other end of electric capacity C8 is electrically connected with input power, the crus secunda ground connection of low dropout voltage regulator U1.
6. GPS single mode locating device according to claim 2, it is characterized in that: low dropout voltage regulator U4 comprises TLV70018 chip, diode D1 electric capacity C10 and electric capacity C11, first pin of low dropout voltage regulator U4 is all connected with input power by diode D1 with tripod, 5th pin of low dropout voltage regulator U1 is connected with digital power, the first end ground connection of electric capacity C10, second end of electric capacity C10 is connected with the negative electrode of diode D1, second end of electric capacity C10 is also connected with standby power supply, one end ground connection of electric capacity C11, the other end of electric capacity C11 is electrically connected with input power, the crus secunda ground connection of low dropout voltage regulator U1.
7. GPS single mode locating device according to claim 2, is characterized in that: the 5th pin of described EEPROM is connected with the GPIO0 of GPS positioning chip, and the 6th pin of described EEPROM is connected with the GPIO1 of GPS positioning chip.
8. GPS single mode locating device according to claim 2, it is characterized in that: the LNA_IN pin of GPS positioning chip is by being connected with the OUT1 pin of wave filter U5 after the inductance L 5 of a 12nH, the OUT0 pin ground connection of wave filter U5, the IN pin of wave filter U5 is connected with the RF_IN pin of GPS module, the RF_VOUT pin of GPS module is all connected with input power with VIN pin, the VBAT pin of GPS module is connected with standby power supply, the RXA pin of GPS module is be connected with the RX pin of GPS positioning chip after the resistance of 5.6K ohm by a resistance, the RX pin of GPS positioning chip is also by the resistance eutral grounding of a 10K ohm.
9. GPS single mode locating device according to claim 2, is characterized in that: the useful power ratio of inductance L 5 is greater than 60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550585.4A CN104459739B (en) | 2014-10-16 | 2014-10-16 | GPS single-mode positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410550585.4A CN104459739B (en) | 2014-10-16 | 2014-10-16 | GPS single-mode positioning device |
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| CN104459739A true CN104459739A (en) | 2015-03-25 |
| CN104459739B CN104459739B (en) | 2017-02-22 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060009240A1 (en) * | 2004-07-06 | 2006-01-12 | Mr. Daniel Katz | A wireless location determining device |
| CN101969497A (en) * | 2010-09-03 | 2011-02-09 | 东南大学 | Built-in-external antenna signal input automatic-switching global position system (GPS)/personal digital assistant (PDA) dual-frequency handset |
| CN202268711U (en) * | 2011-06-23 | 2012-06-06 | 北京华辰北斗信息技术有限公司 | Power source module compatible with various batteries and GPS (global positioning system) receiving equipment |
| CN203164422U (en) * | 2013-02-02 | 2013-08-28 | 张加成 | Vehicle-mounted satellite position indicator |
| EP2690465A1 (en) * | 2011-11-03 | 2014-01-29 | Cambridge Silicon Radio Limited | Amelioration of frequency errors and/or their effects |
| CN204347254U (en) * | 2014-10-16 | 2015-05-20 | 嘉兴职业技术学院 | GPS single mode locating device |
-
2014
- 2014-10-16 CN CN201410550585.4A patent/CN104459739B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060009240A1 (en) * | 2004-07-06 | 2006-01-12 | Mr. Daniel Katz | A wireless location determining device |
| CN101969497A (en) * | 2010-09-03 | 2011-02-09 | 东南大学 | Built-in-external antenna signal input automatic-switching global position system (GPS)/personal digital assistant (PDA) dual-frequency handset |
| CN202268711U (en) * | 2011-06-23 | 2012-06-06 | 北京华辰北斗信息技术有限公司 | Power source module compatible with various batteries and GPS (global positioning system) receiving equipment |
| EP2690465A1 (en) * | 2011-11-03 | 2014-01-29 | Cambridge Silicon Radio Limited | Amelioration of frequency errors and/or their effects |
| CN203164422U (en) * | 2013-02-02 | 2013-08-28 | 张加成 | Vehicle-mounted satellite position indicator |
| CN204347254U (en) * | 2014-10-16 | 2015-05-20 | 嘉兴职业技术学院 | GPS single mode locating device |
Non-Patent Citations (2)
| Title |
|---|
| ANTENOVE LTD: "《http://www.antenova-m2m.com/wp-content/uploads/2015/11/M10382_11MD-0043-5-PS.pdf》", 5 February 2013 * |
| SIRF TECHNOLOGY: "《http://wenku.baidu.com/link?url=w2DKYOrGD2HP2dH7Z7-3wDG71E8eYwmwcxfnYqOCRTTFlTFYrwW57H9MUNzRpnErpH-LxX8Q4PJgzqg0tJ_XIiZgXaPl7n1socylequnqEm》", 1 December 2011 * |
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