CN101173981B - Satellite navigation system and electric power control method thereof - Google Patents
Satellite navigation system and electric power control method thereof Download PDFInfo
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- CN101173981B CN101173981B CN200610123130XA CN200610123130A CN101173981B CN 101173981 B CN101173981 B CN 101173981B CN 200610123130X A CN200610123130X A CN 200610123130XA CN 200610123130 A CN200610123130 A CN 200610123130A CN 101173981 B CN101173981 B CN 101173981B
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- satellite navigation
- signal
- detecting unit
- control module
- navigation system
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Abstract
The invention discloses a satellite navigation system and the power control method thereof. The system comprises a satellite navigation body, a sensing unit, a control unit and a power supply unit. The sensing unit is used for sensing whether a signal is sent out by an external power, and the signal is usually generated by the start or the flameout of a traffic tool. The sensing unit receives the signal, generates a start signal or a standby signal according to the signal, and transmits to the control unit. The control unit enables the satellite navigation body to execute the start motion or enters the standby mode according to the received start signal or standby signal.
Description
[technical field]
The present invention discloses a kind of satellite navigation system and power control method thereof, is applied in the automobile-used satellite navigation system.Particularly the signal about utilizing detecting unit to come detecting vehicle whether to start starts action or gets into standby mode and the satellite navigation main body is carried out.
[background technology]
Global Positioning System (GPS) (GPS, Global Position System) is by U.S. Department of Defense, based on military needs and designed system, through studying for many years, developing, accomplishes in 1993 finally and disposes.Global Positioning System (GPS) is the positioning system that combines satellite and Radio Transmission Technology, and user's exact position, speed and the time can be provided, and it is used extensively to be present in existing market.Global Positioning System (GPS) is to utilize the basic triangle positioning principle of satellite.As long as the user utilizes receiving trap to receive 3 above satellite-signals, just can make the position at user place.Global Positioning System (GPS) provides navigator location and navigation data regularly; Navigation data comprises following information:
1. the orbital data of Global Positioning System (GPS) satellite: can supply navigator to calculate the position of satellite, and then the navigator positioning function is provided.
2. Global Positioning System (GPS) satellite clock data: can supply navigator to calculate the satellite time and the margin of error of Global Positioning System (GPS) receiver time.
3. exchange character code: if adopt the A sign indicating number to reconcile, receiver is general must to be taken a long time with the locking code, and the permutation code in the navigation data can reduce search time with quick lock in A sign indicating number.
4. the distribution of each satellite: the user can plan the preferable location period by the distribution and the ephemeris of each satellite in the navigation data.
To the time: comprise the exchange of Global Positioning System (GPS) alignment time to global adjustments time in the navigation data, can be in order to carry out clock alignment.
6. ionosphere model: the ionospheric corrections pattern in the navigation data, the correction reference that can supply single-frequency Global Positioning System (GPS) receiver.
7. signal quality a: precision index is arranged in the navigation data, can be the reference of Global Positioning System (GPS) signal quality monitoring.
Today, auto-navigation system is generally used, and most of driver utilizes auto-navigation system to seek or select road, even let the driver in complicated urban district or unfamiliar suburbs, can both arrive the destination smoothly.But when using auto-navigation system at present, must after car starts, manually boot auto-navigation system, just carry out navigation mode then, driver's inconvenience very by the user.
From the above mentioned, the inventor the invention provides mode more easily, and other a kind of satellite navigation system and power control method thereof is being provided through research and design and special topic discussion in many ways.Detecting unit in the navigational system via satellite, the signal whether detecting vehicle starts, and the power supply controlling Design of control satellite navigation system.
[summary of the invention]
The object of the present invention is to provide a kind of satellite navigation system and power control method thereof, can pass through a detecting unit, the signal whether detecting vehicle starts, and the power supply control of control satellite navigation system.
For addressing the above problem, the present invention provides a kind of satellite navigation system, configuration one detecting unit, a control module and a power control unit in satellite navigation system.Detecting unit can be detected the signal that an extraneous power supply is sent, and receives this signal to produce an enabling signal or a standby signal.Control module is in order to receiving enabling signal, and makes the satellite navigation main body carry out one to start action, or receives standby signal and make the satellite navigation main body get into a standby mode.
In addition; The present invention provides a kind of power control method in addition; Be used for a satellite navigation system, wherein, satellite navigation system has a satellite navigation main body, a detecting unit and a control module; This power control method comprises at least: use detecting unit detecting the signal that an extraneous power supply is sent, and receive this signal; Use detecting unit according to signal producing an enabling signal or a standby signal, and be sent to control module; When control module receives an enabling signal, then make a satellite navigation main body carry out one and start action, perhaps,, then make the satellite navigation main body get into a standby mode when control module receives a standby signal.
Satellite navigation system of the present invention and power control method thereof; Detecting unit in the navigational system via satellite, the signal whether detecting vehicle starts, and the power supply controlling Design of control satellite navigation system; Need not manually boot auto-navigation system, as far as driver's convenience very.
For making the object of the invention, structural attitude and function thereof there are further understanding, cooperate diagram to specify as follows.
[description of drawings]
Fig. 1 is the block schematic diagram of the satellite navigation system that the present invention disclosed;
Fig. 2 is the flow chart of steps of the power control method that the present invention disclosed;
Fig. 3 is the flow chart of steps of the power control method that the present invention disclosed.
[embodiment]
Below will satellite navigation system and power control method thereof according to preferred embodiment of the present invention be described with reference to relevant indicators.
See also Fig. 1, be the satellite navigation system that the present invention disclosed.Among the figure, satellite navigation system 10 comprises detecting unit 11, control module 12, power-supply unit 14 and satellite navigation main body 13 at least.Power-supply unit 14 is used to provide power supply to detecting unit 11 and control module 12.And detecting unit 11 is to be used to detect the signal that extraneous power supply 15 is sent, and produces an enabling signal or a standby signal according to this signal.Then, enabling signal or standby signal are sent to control module 12.Above-mentioned extraneous power supply 15 is the battery of vehicle, and when the user started or stop working vehicle, detecting unit 11 can detect the variation of the magnitude of voltage of battery, and when the user starts vehicle, detecting unit 11 produces an enabling signal; When the flame-out vehicle of user, then detecting unit 11 produces a standby signal.
Control module 12 is in order to receive an enabling signal or a standby signal.If control module 12 receives enabling signal, then control module 12 orders about satellite navigation main body 13 and carries out the startup action; Perhaps, if control module 12 receives standby signal, then control module 12 orders about satellite navigation main body 13 and gets into standby mode.Start action and be startup satellite navigation main body 13, and open navigation software to carry out navigation feature.And standby mode is for closing satellite navigation main body 13, and only detecting unit 11 and control module 12 are kept duty, and provide power supply to detecting unit 11 and control module 12 by power-supply unit 14.
Above-mentioned power-supply unit 14 is a battery preferably, and detecting unit 11 is the detecting voltage assembly preferably, and control module 12 is the microcontroller chip preferably.
See also Fig. 2, it illustrates the power control method that the present invention discloses, and this method is used for satellite navigation system, and satellite navigation system comprises a satellite navigation main body, a detecting unit and a control module.At first, the signal that utilizes the detecting unit detecting vehicle to start, and receive this signal (step 200); Utilize detecting unit to be sent to control module (step 210) to produce an enabling signal according to this signal; Order about the satellite navigation main body by control module and carry out the startup action, and carry out navigation feature (step 220).
See also Fig. 3, it illustrates the power control method that the present invention discloses, and this method is used for satellite navigation system, and satellite navigation system comprises a satellite navigation main body, a detecting unit and a control module.At first, utilize the flame-out signal of detecting unit detecting vehicle, and receive this signal (step 300); Utilize detecting unit to produce a standby signal and be sent to control module (step 310) according to this signal; Get into standby mode (step 320) by control module control satellite navigation main body.Wherein, standby mode is for closing the satellite navigation main body, only keeps detecting unit and control module is kept duty.In addition, above-mentioned satellite navigation system more can comprise a power-supply unit, to provide power supply to detecting unit and control module.
Above-mentioned power-supply unit 14 is a battery preferably, and detecting unit 11 is the detecting voltage assembly preferably, and control module 12 is the microcontroller chip preferably.
Claims (14)
1. GPS that is used for vehicles, it is characterized in that: this GPS comprises:
One global navigation satellite main body,
One detecting unit in order to detecting the signal that an extraneous power supply is sent, and receives this signal to produce an enabling signal or a standby signal; Wherein, extraneous power supply is the battery of vehicle, and when the user started or stop working vehicle, detecting unit detected the variation of the magnitude of voltage of battery, and when the user starts vehicle, detecting unit produces an enabling signal; When the flame-out vehicle of user, then detecting unit produces a standby signal;
One control module; In order to receive this enabling signal; And make this satellite navigation main body carry out a startup action; Or receive this standby signal and make this satellite navigation main body get into a standby mode, wherein this standby mode is closed for this satellite navigation main body, only keeps this detecting unit and this control module is kept a duty; Wherein, control module is the microcontroller chip; And
One power-supply unit is in order to provide power supply to this detecting unit and this control module under this standby mode.
2. satellite navigation system as claimed in claim 1 is characterized in that: wherein should be provided by these vehicles by external world's power supply.
3. satellite navigation system as claimed in claim 2 is characterized in that: should external world's power supply be a Vehicular battery wherein.
4. satellite navigation system as claimed in claim 1 is characterized in that: wherein this startup action is for starting this satellite navigation main body and carrying out a navigation feature.
5. satellite navigation system as claimed in claim 1 is characterized in that: wherein this power-supply unit is a battery or a rechargeable battery.
6. a power control method is used for a satellite navigation system, it is characterized in that: this method step comprises:
Use a detecting unit detecting the signal that an extraneous power supply is sent, and receive this signal; Wherein, extraneous power supply is the battery of vehicle, and when the user started or stop working vehicle, detecting unit detected the variation of the magnitude of voltage of battery;
Use this detecting unit according to this signal producing an enabling signal or a standby signal, and be sent to a control module, and start vehicle as the user, detecting unit produces an enabling signal; When the flame-out vehicle of user, then detecting unit produces a standby signal; And
When this control module receives this enabling signal; This satellite navigation system is started, perhaps, when this control module receives this standby signal; Then make this satellite navigation system get into a standby mode; And provide power supply to this detecting unit and this control module at this standby mode by this power-supply unit, wherein this standby mode is to close for this satellite navigation main body, only keeps this detecting unit and this control module is kept a duty; Wherein, control module is the microcontroller chip.
7. power control method as claimed in claim 6 is characterized in that: wherein works as this control module and receives this enabling signal, and the step that this satellite navigation system is started, performed by the satellite navigation main body in this satellite navigation system.
8. power control method as claimed in claim 6 is characterized in that: wherein works as this control module and receives this standby signal, and the step that then makes this satellite navigation system get into a standby mode, performed by the satellite navigation main body in this satellite navigation system.
9. power control method as claimed in claim 6 is characterized in that: should external world's power supply be from vehicles wherein.
10. power control method as claimed in claim 9 is characterized in that: should external world's power supply be to be a Vehicular battery wherein.
11. power control method as claimed in claim 6 is characterized in that: wherein this enabling signal is when this detecting unit detects vehicle startup, is produced by this detecting unit.
12. power control method as claimed in claim 6 is characterized in that: wherein this standby signal is to detect vehicle when flame-out at this detecting unit, is produced by this detecting unit.
13. power control method as claimed in claim 7 is characterized in that: wherein this power-supply unit is to be a battery.
14. power control method as claimed in claim 7 is characterized in that: wherein this startup action is for starting this satellite navigation main body and carrying out a navigation feature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610123130XA CN101173981B (en) | 2006-10-31 | 2006-10-31 | Satellite navigation system and electric power control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610123130XA CN101173981B (en) | 2006-10-31 | 2006-10-31 | Satellite navigation system and electric power control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101173981A CN101173981A (en) | 2008-05-07 |
| CN101173981B true CN101173981B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610123130XA Expired - Fee Related CN101173981B (en) | 2006-10-31 | 2006-10-31 | Satellite navigation system and electric power control method thereof |
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| CN (1) | CN101173981B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592173A (en) * | 1994-07-18 | 1997-01-07 | Trimble Navigation, Ltd | GPS receiver having a low power standby mode |
| CN2777570Y (en) * | 2004-12-27 | 2006-05-03 | 谢兆达 | Satellite positioning data receiving and transmitting apparatus with automatic switch control |
| CN1796937A (en) * | 2004-12-21 | 2006-07-05 | 财团法人工业技术研究院 | Power supply managerial approach for computer system in use for vehicle |
-
2006
- 2006-10-31 CN CN200610123130XA patent/CN101173981B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5592173A (en) * | 1994-07-18 | 1997-01-07 | Trimble Navigation, Ltd | GPS receiver having a low power standby mode |
| CN1796937A (en) * | 2004-12-21 | 2006-07-05 | 财团法人工业技术研究院 | Power supply managerial approach for computer system in use for vehicle |
| CN2777570Y (en) * | 2004-12-27 | 2006-05-03 | 谢兆达 | Satellite positioning data receiving and transmitting apparatus with automatic switch control |
Non-Patent Citations (1)
| Title |
|---|
| JP平10-206520A 1998.08.07 |
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| CN101173981A (en) | 2008-05-07 |
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