CN101598568A - Power control system and method thereof - Google Patents
Power control system and method thereof Download PDFInfo
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- CN101598568A CN101598568A CNA2008100285871A CN200810028587A CN101598568A CN 101598568 A CN101598568 A CN 101598568A CN A2008100285871 A CNA2008100285871 A CN A2008100285871A CN 200810028587 A CN200810028587 A CN 200810028587A CN 101598568 A CN101598568 A CN 101598568A
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Abstract
The present invention discloses a kind of power control system and method thereof, the effective gps signal of main reception in real time, and it is carried out signal screening handle, to obtain and to export the radiofrequency signal performance parameter of a correspondence, and when judging power managing signal and be the power-off supervisory signal, judge then whether performance parameter exceeds the first default threshold value, so that being provided, working power gives this GPS module if then send GPS electric power starting signal, if judge that this power managing signal is non-power-off supervisory signal, judge again that then whether this performance parameter is less than the second default threshold value, if, then send GPS power-off signal to excise the working power of this GPS module, whereby with the electrical source consumption of effective this guider of saving.
Description
[technical field]
The present invention is relevant for a kind of ancillary technique of guider, more detailed it, about a kind of power control system and method thereof that is applied in the guider with the electrical source consumption of effective this guider of saving.
[background technology]
Generally speaking, be at for example vehicle or personal digital assistant (Personal Digital Assistant; PDA) etc. the service of satnav is provided in the electronic installation, must installs (the GlobalPosition System that has GPS; GPS) guider of module carries out necessary signal emission, receives and handle, and obtaining the position coordinates at present place, and carries out navigation work.Two ten four the artificial guiding satellites of GPS by moving on empty six tracks on earth, the round-the-clock gps signal of constantly launching, guider is at the gps signal that receives the artificial satellite emission more than three, just can calculate the longitude and latitude of position, highly, data such as speed, direct of travel.
In addition, adopt above-mentioned guider to receive gps signal, its accepting state is subjected to the influence of external environment (for example weather, neighboring buildings etc.) easily, guarantee surely and can maintain a good state always and differ, as run into rainy weather, and sky cloud layer thickening, free number of electrons increases in the cloud layer, can produce the interference to gps signal, the gps signal that causes guider to receive is crossed low and the normal navigation of influence.In addition, if enter zones such as tunnel, tube, then gps signal can be covered, and also can cause guider can't receive the gps signal of guiding satellites transmits.So, at this moment, the GPS module of this guider can't quit work because of the acomia gps signal that receives, so make this guider can not receive gps signal or gps signal is low excessively because of above-mentioned such environmental effects, and can't finish positioning operation, will cause the unnecessary waste of power supply.
For addressing the above problem, present way provides a may command guider working power open/close button, to judge that by artificial mode the power of this guider received signal operates this button to open or to close the working power of guider in the user, so, the user not only will be busy with the operation (for example driving a conveyance) be engaged on one side on hand, vacate part-time when also taking and observe the power of this guider received signal, so that in time close the working power of this GPS module during extremely weak or no signal at gps signal, for the user, obviously quite inconvenience in the operation, and, very easily because of human factor, cause and to take into account in real time, omitted the moment that to close the working power of GPS module, and can't avoid the unnecessary waste of the required working power of GPS module fully, the more important thing is that so mode of operation is very easily caused danger because of diverting one's attention when driving a conveyance.
Therefore,, how to propose a kind of power control system and method thereof, can be issued to the effect of saving power supply in the prerequisite that need not extra manual operation in order to prolong the running time of Satellite Navigation Set, real in desiring most ardently the technical matters of solution at present.
[summary of the invention]
In view of the shortcoming of above-mentioned prior art, fundamental purpose of the present invention is to provide a kind of power control system and method thereof, is applied to guider, with the electrical source consumption of effective this guider of saving.
Another object of the present invention is to provide a kind of power control system and method thereof, is the strong and weak of identification received signal and operating power control to avoid the people, causes operation inconvenience to control incomplete drawback with power supply.
Another object of the present invention is to provide a kind of power control system and method thereof, is the strong and weak and operating power control of identification received signal to avoid the people, causes the user to divert one's attention and causes dangerous drawback.
For reaching above-mentioned purpose and other purpose, the invention provides a kind of power control system, it is applied to have at least in order to receiving world locational system (Global Position System; GPS) signal receiving module of signal, export the signal amplification module of effective gps signal to carry out processing and amplifying in order to receive this gps signal, in order to receive this effective gps signal to carry out the GPS module of localization process, and in order to export in the guider of a power managing signal with the GPS power management module that working power is provided gives this GPS module, this power control system comprises at least: the signal screening module, connect this signal amplification module, in order to receive this effective gps signal of this signal amplification module output, and this effective gps signal is carried out signal screening handle, with radiofrequency signal (the Radio Frequency that obtains and export a correspondence; RF) performance parameter; And processing module, electrically connect this signal screening module and this GPS power management module respectively, in order to receive this radiofrequency signal performance parameter that this signal screening module exported and the power managing signal of this GPS power management module output, judge whether current this power managing signal is a power-off supervisory signal, if, judge then whether this radiofrequency signal performance parameter exceeds first a default threshold value, if then send a GPS electric power starting signal to this GPS power management module, so that being provided, working power gives this GPS module and produce corresponding electric power starting supervisory signal, if this power managing signal is non-power-off supervisory signal, judge that then whether this radiofrequency signal performance parameter is less than second a default threshold value, if then send a GPS power-off supervisory signal, and produce corresponding power-off supervisory signal to excise the working power of this GPS module to this GPS power management module.In addition, power control system of the present invention also comprise connect this processing module and in order to store this first threshold value, this second threshold value, some different radio frequency signal performance parameter areas and corresponding respectively this performance parameter scope and with the be inversely proportional to storage module of some electric power starting frequency parameters of changing of performance parameter that this performance parameter scope is respectively comprised.
In power-supply management system of the present invention, this first threshold value is greater than this second threshold value, and this first threshold value and this second threshold value carrier-to-noise ratio (the Carrier-to-Noise ratio that is this radiofrequency signal; C/N).In addition, this processing module also is included in to be judged when this radiofrequency signal performance parameter exceeds this second default threshold value, this radiofrequency signal performance parameter according to this signal screening module output, in the stored some performance parameter scopes of this storage module, hunt out the performance parameter scope corresponding with this radiofrequency signal performance parameter, and certainly in the stored some electric power starting frequency parameters of this storage module, hunt out electric power starting frequency signal parameter that should the performance parameter scope, and send this electric power starting frequency parameter to this GPS power management module, and produce corresponding power managing signal to provide working power to give this GPS module according to this electric power starting frequency parameter.
For reaching above-mentioned identical purpose, the present invention provides a kind of power control method again, and it is applied to have at least in order to receiving world locational system (Global Position System; GPS) signal receiving module of signal, export the signal amplification module of effective gps signal to carry out processing and amplifying in order to receive this gps signal, in order to receive this effective gps signal to carry out the GPS module of localization process, and in order to export in the guider of a power managing signal with the GPS power management module that working power is provided gives this GPS module, this power control method comprises: (1) receives this effective gps signal of this signal amplification module output, and this effective gps signal is carried out signal screening handle, with radiofrequency signal (the Radio Frequency that obtains and export a correspondence; RF) performance parameter; (2) receive the power managing signal that this GPS power management module is exported, judge whether this current power managing signal is a power-off supervisory signal, if, then proceed to step (3), if not, then proceed to step (5); (3) judge whether this radiofrequency signal performance parameter exceeds first a default threshold value, if, then proceed to step (4), if not, then be back to step (1); (4) send a GPS electric power starting signal to this GPS power management module, give this GPS module so that working power to be provided and produce corresponding electric power starting supervisory signal; (5) judge that whether this radiofrequency signal performance parameter is less than second a default threshold value, if then proceed to step (6); And (6) send a GPS power-off supervisory signal to this GPS power management module, and produce corresponding power-off supervisory signal to excise the working power of this GPS module.In addition, power control method of the present invention also comprise store in advance this first threshold value, this second threshold value, some different radio frequency signal performance parameter areas and corresponding respectively this performance parameter scope and with the be inversely proportional to step of some electric power starting frequency parameters of changing of performance parameter that this performance parameter scope is respectively comprised.
Moreover, in method for managing power supply of the present invention, in above-mentioned steps (5), when judging that this radiofrequency signal performance parameter exceeds this second default threshold value, also comprise in stored some performance parameter scopes, hunt out the performance parameter scope corresponding with this radiofrequency signal performance parameter of being exported, and in stored some electric power starting frequencies, hunt out electric power starting frequency signal parameter that should the performance parameter scope, and send this electric power starting frequency parameter to this GPS power management module, and produce corresponding power managing signal to provide working power to give this GPS module according to this electric power starting frequency parameter.
Compared to prior art, power control system of the present invention and method thereof receive effective gps signal of the signal amplification module output of guider in real time, and this effective gps signal is carried out signal screening handle, to obtain and to export the performance parameter of the radiofrequency signal of a correspondence, and when the power managing signal of judging this GPS power management module output is the power-off supervisory signal, judge whether this radiofrequency signal performance parameter exceeds the first default threshold value, if then send the GPS power management module of GPS electric power starting signal to this guider, so that being provided, working power gives this GPS module and produce corresponding electric power starting supervisory signal, if judge that this power managing signal is non-power-off supervisory signal, whether then judge this performance parameter less than the second default threshold value, produce corresponding power-off supervisory signal to this GPS power management module to excise the working power of this GPS module if then send GPS power-off signal; In addition, the present invention again can be according to default some performance parameter scopes, judge the pairing performance parameter scope of current radiofrequency signal performance parameter, for choosing corresponding electric power starting frequency parameter, and according to the working power of this electric power starting frequency parameter control GPS module, whereby with the electrical source consumption of effective this guider of saving.Moreover, the working power method of supplying of this GPS module is controlled in decapacitation automatically, to reduce unnecessary electrical source consumption effectively, and then avoid in the prior art because of the power that adopts artificial mode identification received signal and the switch control of power supply, cause operation inconvenience to control outside the incomplete disappearance with power supply, it is the strong and weak and operating power control of identification received signal that reactivation is avoided the people, causes the user to divert one's attention and causes dangerous problem.
For purpose of the present invention, structural attitude and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 is that power control system of the present invention is applied to the basic framework block schematic diagram in the guider.
Fig. 2 is the operating process synoptic diagram of power control method of the present invention.
[embodiment]
See also Fig. 1, show that power control system of the present invention is applied to the basic framework synoptic diagram in the guider.As shown in the figure, power control system 10 of the present invention is applied in the guider 1, with the electrical source consumption of this guider 1 of effective control, and this guider 1 comprises signal amplification module 12, GPS (the Global Position System of signal receiving module 11, for example amplifier (Amplifier) at least; GPS) module 13 and GPS power management module 14.Wherein, this signal receiving module 11 is in order to receiving the gps signal of guiding satellites transmits, and exported; This signal amplification module 12 is in order to receiving the gps signal that this signal receiving module 11 is exported, and this gps signal is carried out processing and amplifying, with gps signal amplification that will be faint, and then obtains and export effective gps signal; This GPS module 13 in order to effective gps signal of receiving this signal amplification module 12 and being exported to carry out localization process; This GPS power management module 14 gives this GPS module 13 in order to export a power managing signal so that working power to be provided, and this power managing signal comprises power-off (Off) supervisory signal, electric power starting (On) supervisory signal and some different electric power starting frequency management signals.In addition, mandatory declaration be, power control system 10 of the present invention can be applicable on the inner guider of a mobile object (for example vehicles such as automobile, boats and ships, aircraft), also can be applicable to have in the portable electronic devices of guider, for example personal digital assistant (Personal DigitalAssistant; PDA), mobile phone or portable computer etc.
As shown in Figure 1, power control system 10 of the present invention also comprises: storage module 100, signal screening module 101 and processing module 102.Below promptly be elaborated to taking off each object on the power control system 10 of the present invention.
This storage module 100 is in order to store first threshold value, second threshold value less than this first threshold value, some different radio frequency signal (Radio Frequency in advance; RF) performance parameter scope and corresponding respectively this performance parameter scope and some electric power starting frequency parameters of being inversely proportional to and changing with performance parameter that this performance parameter scope is respectively comprised.
Wherein, this first threshold value, this second threshold value and this performance parameter are carrier-to-noise ratio (the Carrier-to-Noise ratio of this radiofrequency signal; C/N), and this carrier-to-noise ratio is reacted the power of this radiofrequency signal, the higher expression radiofrequency signal of carrier-to-noise ratio is stronger, then correspondingly, this electric power starting frequency can be set at littler, because of radiofrequency signal heals by force, then supply the working power of giving this GPS module and can reduce relatively, only need according to this every interval of electric power starting frequency some cycles unlatching and provide the one action power supply to give this GPS module to get final product.For example, when storing five kinds of different radio frequency signal performance parameter areas and corresponding respectively five kinds of electric power starting frequency parameters of this performance parameter scope by this storage module 100, for ease of explanation, with these five kinds of radiofrequency signal performance parameter scope graduation, be respectively one to Pyatyi, rank is high more, represent that the performance parameter (being carrier-to-noise ratio) that this performance parameter scope is comprised heals high, that is radiofrequency signal is stronger, correspondingly, to should a performance parameter scope to Pyatyi, this electric power starting frequency be then prestored with the trend that reduces gradually.
In addition, this first threshold value is not to should (using power control system 1 of the present invention by there being the gps signal reception fully by guider 1, then at this moment, this power managing signal is the power-off supervisory signal, be detailed later) to having in the gps signal receiving course, this gps signal intensity reaches the critical carrier-to-noise ratio that is enough to for this GPS module 13 location; And this second threshold value is to should (using power control system 1 of the present invention by continuing to receive the gps signal that is enough to locate by guider 1, then at this moment, this power managing signal is non-power-off supervisory signal, be detailed later) to not having in the gps signal receiving course, this gps signal intensity just in time can't satisfy the critical carrier-to-noise ratio of these GPS module 13 tracing and positioning; Moreover, since this gps signal by do not have to have the required signal intensity that is enough to locate of process greater than this gps signal by having to the process of not having, so in present embodiment, this first threshold value is greater than this second threshold value.
This signal screening module 101 connects this signal amplification module 100, in order to receive this effective gps signal of these signal amplification module 100 outputs, and this effective gps signal is carried out signal screening handle, with radiofrequency signal (the Radio Frequency that obtains and export a correspondence; RF) performance parameter.This signal screening module 101 can for example be radio frequency wave detector (RF Power Detector).What need be illustrated is herein, this gps signal comprises at least in order to fundamental frequency (Baseband) signal of carrying out signal Processing and in order to carry out the radiofrequency signal that signal receives processing, and but this signal screening module 101 is mainly in order to filter out the radiofrequency signal performance parameter of reaction signal accepting state in this gps signal certainly, learn the power of this gps signal in order to do follow-up by this processing module 102, and judge further whether this gps signal is enough to finish positioning operation for this GPS module 13.
This processing module 102 electrically connects this storage module 100 respectively, this signal screening module 101, and this GPS power management module 14, in order to receive this radiofrequency signal performance parameter that this signal screening module 101 exported and the power managing signal of this GPS power management module 14 outputs, judge whether current this power managing signal is a power-off supervisory signal, if, judge again then whether this radiofrequency signal performance parameter exceeds first a default threshold value, if, then send a GPS electric power starting signal to this GPS power management module 14, so that being provided, working power gives this GPS module 13 and produce corresponding electric power starting supervisory signal, if this power managing signal be non-power-off supervisory signal (that is, be the electric power starting supervisory signal, or various electric power starting frequency management signal etc.), judge that then whether this radiofrequency signal performance parameter is less than second a default threshold value, if, then send a GPS power-off signal to this GPS power management module 14, and produce corresponding power-off supervisory signal to excise the working power of this GPS module 13, if this radiofrequency signal performance parameter exceeds this second default threshold value, then according to this radiofrequency signal performance parameters of this signal screening module 101 outputs, in the stored some performance parameter scopes of this storage module 100, hunt out the performance parameter scope corresponding with this radiofrequency signal performance parameter, and certainly in the stored some electric power starting frequency parameters of this storage module 100, hunt out electric power starting frequency signal parameter that should the performance parameter scope, and send this electric power starting frequency parameter to this GPS power management module 14, and produce corresponding power managing signal to provide working power to give this GPS module 13 according to this electric power starting frequency parameter.
Use above-mentioned power control system 10, carry out the operating process of power control method as shown in Figure 2.See also Fig. 1, power control method of the present invention is applied in the guider 1, with the electrical source consumption of this guider 1 of effective control, and this guider 1 comprises signal amplification module 12, GPS module 13 and the GPS power management module 14 of signal receiving module 11, for example amplifier at least.Wherein, this signal receiving module 11 is in order to receiving the gps signal of guiding satellites transmits, and exported; This signal amplification module 12 is in order to receiving the gps signal that this signal receiving module is exported, and this gps signal is carried out processing and amplifying, with gps signal amplification that will be faint, and then obtains and export effective gps signal; This GPS module 13 is in order to receive this effective gps signal to carry out localization process; This GPS power management module 14 gives this GPS module 13 in order to export a power managing signal so that working power to be provided, and this power managing signal comprises power-off supervisory signal, electric power starting supervisory signal and some different electric power starting frequency management signals.Below will cooperate Fig. 1 to describe the operating process of power control method of the present invention in detail.
As shown in Figure 2, at first execution in step S 100, start this guider 1.Then, carry out step S101.
In step S101, the some electric power starting frequency parameters that store first threshold value, second threshold value, some different radio frequency signal performance parameter areas and corresponding respectively this performance parameter scope in advance and be inversely proportional to and change with performance parameter that this performance parameter scope is respectively comprised less than this first threshold value.Wherein, this first threshold value, this second threshold value and this performance parameter are the carrier-to-noise ratio of this radiofrequency signal; This first threshold value is not to should (using power control method of the present invention by there being the gps signal reception fully by guider 1, then at this moment, this power managing signal is the power-off supervisory signal) to having in the gps signal receiving course, this gps signal intensity reaches the critical carrier-to-noise ratio that is enough to for this GPS module 13 location; This second threshold value is to should (using power control method of the present invention by continuing to receive the gps signal that is enough to locate by guider 1, then at this moment, this power managing signal is non-power-off supervisory signals such as electric power starting supervisory signal or various electric power starting frequency management signal) to not having in the gps signal receiving course, this gps signal intensity just in time can't satisfy the critical carrier-to-noise ratio of these GPS module 13 tracing and positioning; In addition, since gps signal by do not have to have the required signal intensity that is enough to locate of process greater than this gps signal by having to the process of not having, so in present embodiment, this first threshold value is greater than this second threshold value.Then, carry out step S102.
In step S102, judge whether this guider closes, if then finish this power control procedure; If not, then proceed to step S103.
In step S103, receive this effective gps signal of these signal amplification module 12 outputs, and this effective gps signal is carried out signal screening handle, to obtain and to export the performance parameter of the radiofrequency signal of a correspondence.Then, carry out step S104.
In step S104, receive the power managing signal of these GPS power management module 14 outputs, judge whether this current power managing signal is a power-off supervisory signal, if then proceed to step S105; If not, then proceed to step S107.
In step S105, judge whether this radiofrequency signal performance parameter exceeds first a default threshold value, if then proceed to step S106; If not, then be back to step S102.
In step S106, send a GPS electric power starting signal to this GPS power management module 14, so that being provided, working power gives this GPS module 13 and produce corresponding electric power starting supervisory signal.Then, be back to step S102.
In step S107, judge that whether this radiofrequency signal performance parameter is less than second a default threshold value, if then proceed to step S108; If not, then proceed to step S109.
In step S108, send a GPS power-off supervisory signal to this GPS power management module 14, and produce corresponding power-off supervisory signal to excise the working power of this GPS module 13.Then, be back to step S102.
In step S109, in the some performance parameter scopes that prestored, hunt out the performance parameter scope corresponding with this radiofrequency signal performance parameter of being exported.Then, carry out step S110.
In step S110, in the some electric power starting frequencies that prestored, hunt out electric power starting frequency signal parameter that should the performance parameter scope.Then, carry out step S111.
In step S111, send this electric power starting frequency parameter to this GPS power management module 14, and produce corresponding power managing signal to provide working power to give this GPS module 13 according to this electric power starting frequency parameter.Then, be back to step S102.
From the above, power control system of the present invention and method thereof receive effective gps signal of the signal amplification module output of guider in real time, and this effective gps signal is carried out signal screening handle, to obtain and to export the performance parameter of the radiofrequency signal of a correspondence, and when the power managing signal of judging this GPS power management module output is the power-off supervisory signal, judge whether this radiofrequency signal performance parameter exceeds the first default threshold value, if then send the GPS power management module of GPS electric power starting signal to this guider, so that being provided, working power gives this GPS module and produce corresponding electric power starting supervisory signal, if judge that this power managing signal is non-power-off supervisory signal, whether then judge this performance parameter less than the second default threshold value, produce corresponding power-off supervisory signal to this GPS power management module to excise the working power of this GPS module if then send GPS power-off supervisory signal.In addition, the present invention again can be when judging that this performance parameter exceeds this second default threshold value, according to default some performance parameter scopes, judge the pairing performance parameter scope of current radiofrequency signal performance parameter, for choosing corresponding electric power starting frequency parameter, and give the working power of this GPS module according to the control of this electric power starting frequency parameter, whereby with the electrical source consumption of effective this guider of control, and reduce unnecessary power supply waste, and then correspondingly increase the use running time of this guider.Moreover, use power control system of the present invention and method thereof, carry out the analysis and judgement processing according to receiving effective gps signal of exporting by the signal amplification module of this guider, the working power method of supplying of this GPS module is controlled in decapacitation automatically, to reduce unnecessary electrical source consumption effectively, and then avoid in the prior art because of the power that adopts artificial mode identification received signal and the switch control of power supply, cause operation inconvenience to control outside the incomplete disappearance with power supply, it is the strong and weak and operating power control of identification received signal that reactivation is avoided the people, causes the user to divert one's attention and causes dangerous problem.
Claims (17)
1. power control system, be applied to have at least signal receiving module, export the signal amplification module of effective gps signal to carry out processing and amplifying in order to receive this gps signal in order to receiving world locational system signal, in order to receive this effective gps signal with the GPS module of carrying out localization process and in order to export in the guider of a power managing signal with the GPS power management module that working power is provided gives this GPS module, it is characterized in that this power control system comprises:
The signal screening module electrically connects this signal amplification module, in order to receiving this effective gps signal of this signal amplification module output, and this effective gps signal is carried out signal screening processing, to obtain and to export the performance parameter of the radiofrequency signal of a correspondence; And
Processing module, electrically connect this signal screening module and this GPS power management module respectively, in order to receive this radiofrequency signal performance parameter that this signal screening module exported and the power managing signal of this GPS power management module output, and judge whether current this power managing signal is a power-off supervisory signal, if, judge again whether this radiofrequency signal performance parameter exceeds first a default threshold value, if, then send a GPS electric power starting signal to this GPS power management module, so that being provided, working power gives this GPS module and produce corresponding electric power starting supervisory signal, if this power managing signal is non-power-off supervisory signal, judge again that then whether this radiofrequency signal performance parameter is less than second a default threshold value, if, then send a GPS power-off supervisory signal to this GPS power management module, and produce corresponding power-off supervisory signal to excise the working power of this GPS module.
2. power-supply management system as claimed in claim 1 is characterized in that, this first threshold value is greater than this second threshold value.
3. power-supply management system as claimed in claim 1 is characterized in that, the carrier-to-noise ratio that this first threshold value and this second threshold value are this radiofrequency signal.
4. power-supply management system as claimed in claim 1 is characterized in that, this system also comprises and connects this processing module and in order to store the storage module of this first threshold value and this second threshold value.
5. power-supply management system as claimed in claim 4, it is characterized in that this storage module also comprises the some electric power starting frequency parameters in order to store some different radio frequency signal performance parameter areas and corresponding respectively this performance parameter scope and to be inversely proportional to and to change with performance parameter that this performance parameter scope is respectively comprised.
6. power-supply management system as claimed in claim 5, it is characterized in that, this processing module also is included in to be judged when this radiofrequency signal performance parameter exceeds this second default threshold value, this radiofrequency signal performance parameter according to this signal screening module output, in the stored some performance parameter scopes of this storage module, hunt out the performance parameter scope corresponding with this radiofrequency signal performance parameter, and certainly in the stored some electric power starting frequency parameters of this storage module, hunt out electric power starting frequency signal parameter that should the performance parameter scope, and send this electric power starting frequency parameter to this GPS power management module, and produce corresponding power managing signal to provide working power to give this GPS module according to this electric power starting frequency parameter.
7. power-supply management system as claimed in claim 1 is characterized in that, this power managing signal comprises power-off supervisory signal, electric power starting supervisory signal and some different electric power starting frequency management signals.
8. power-supply management system as claimed in claim 1 is characterized in that, this performance parameter is the carrier-to-noise ratio of this radiofrequency signal.
9. power-supply management system as claimed in claim 1 is characterized in that, this signal screening module is the radio frequency wave detector.
10. power-supply management system as claimed in claim 1 is characterized in that, this signal amplification module is an amplifier.
11. power control method, be applied to have at least signal receiving module, export the signal amplification module of effective gps signal to carry out processing and amplifying in order to receive this gps signal in order to receiving world locational system signal, in order to receive this effective gps signal with the GPS module of carrying out localization process and in order to export in the guider of a power managing signal with the GPS power management module that working power is provided gives this GPS module, it is characterized in that this power control method comprises:
(1) receives this effective gps signal of this signal amplification module output, and this effective gps signal is carried out signal screening handle, to obtain and to export the performance parameter of the radiofrequency signal of a correspondence;
(2) receive the power managing signal that this GPS power management module is exported, judge whether this current power managing signal is a power-off supervisory signal, if, then proceed to step (3), if not, then proceed to step (5);
(3) judge whether this radiofrequency signal performance parameter exceeds first a default threshold value, if, then proceed to step (4), if not, then be back to step (1);
(4) send a GPS electric power starting signal to this GPS power management module, give this GPS module so that working power to be provided and produce corresponding electric power starting supervisory signal;
(5) judge that whether this radiofrequency signal performance parameter is less than second a default threshold value, if then proceed to step (6); And
(6) send a GPS power-off supervisory signal to this GPS power management module, and produce corresponding power-off supervisory signal to excise the working power of this GPS module.
12. method for managing power supply as claimed in claim 11 is characterized in that, this first threshold value is greater than this second threshold value.
13. method for managing power supply as claimed in claim 11 is characterized in that, the carrier-to-noise ratio that this first threshold value and this second threshold value are this radiofrequency signal.
14. method for managing power supply as claimed in claim 11, it is characterized in that this method also comprises the some electric power starting frequency parameters that store this first threshold value, this second threshold value, some different radio frequency signal performance parameter areas and corresponding respectively this performance parameter scope in advance and be inversely proportional to and change with performance parameter that this performance parameter scope is respectively comprised.
15. method for managing power supply as claimed in claim 14, it is characterized in that, in step (5), when judging that this radiofrequency signal performance parameter exceeds this second default threshold value, also comprise in stored some performance parameter scopes, hunt out the performance parameter scope corresponding with this radiofrequency signal performance parameter of being exported, and in stored some electric power starting frequencies, hunt out electric power starting frequency signal parameter that should the performance parameter scope, and send this electric power starting frequency parameter to this GPS power management module, and produce corresponding power managing signal to provide working power to give this GPS module according to this electric power starting frequency parameter.
16. method for managing power supply as claimed in claim 11 is characterized in that, this power managing signal comprises power-off supervisory signal, electric power starting supervisory signal and some different electric power starting frequency management signals.
17. method for managing power supply as claimed in claim 11 is characterized in that, this performance parameter is the carrier-to-noise ratio of this radiofrequency signal.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103209A (en) * | 2009-12-17 | 2011-06-22 | 深圳富泰宏精密工业有限公司 | GPS automatic electricity-saving system and method |
| CN102368093A (en) * | 2010-06-30 | 2012-03-07 | 株式会社建伍 | Method and apparatus for detecting position |
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| CN105207686A (en) * | 2014-06-24 | 2015-12-30 | 联想(北京)有限公司 | Information processing method and electronic device |
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| CN107066158A (en) * | 2011-12-06 | 2017-08-18 | 苹果公司 | Touch-sensitive button with two gears |
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| CN100390504C (en) * | 2002-12-26 | 2008-05-28 | 邢铭时 | Satellite navigation positioning systems |
| CN101097252B (en) * | 2006-06-30 | 2011-08-17 | 佛山市顺德区顺达电脑厂有限公司 | Portable electronic device having save electricity function and electricity saving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102103209A (en) * | 2009-12-17 | 2011-06-22 | 深圳富泰宏精密工业有限公司 | GPS automatic electricity-saving system and method |
| CN102368093A (en) * | 2010-06-30 | 2012-03-07 | 株式会社建伍 | Method and apparatus for detecting position |
| US8570219B2 (en) | 2010-06-30 | 2013-10-29 | Kabushiki Kaisha Kenwood | Method and apparatus for detecting position |
| CN102368093B (en) * | 2010-06-30 | 2014-07-30 | Jvc建伍株式会社 | Method and apparatus for detecting position |
| CN102565824A (en) * | 2010-12-24 | 2012-07-11 | 深圳市赛格导航科技股份有限公司 | GPS (Global Positioning System) equipment and power supply management method thereof |
| CN107066158A (en) * | 2011-12-06 | 2017-08-18 | 苹果公司 | Touch-sensitive button with two gears |
| CN106845596A (en) * | 2012-12-12 | 2017-06-13 | 英特尔公司 | Sensor is layered |
| CN104777489A (en) * | 2014-01-13 | 2015-07-15 | 昆达电脑科技(昆山)有限公司 | Navigation device and control method thereof |
| CN105207686A (en) * | 2014-06-24 | 2015-12-30 | 联想(北京)有限公司 | Information processing method and electronic device |
| WO2018176875A1 (en) * | 2017-03-31 | 2018-10-04 | 中兴通讯股份有限公司 | Intelligent gnss power-saving device, positioning system, and method |
| CN109239749A (en) * | 2018-08-22 | 2019-01-18 | 深圳普创天信科技发展有限公司 | Localization method, terminal and computer readable storage medium |
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