CN104950318A - Power-saving method for GPS (global position system) positioning module and mobile device - Google Patents
Power-saving method for GPS (global position system) positioning module and mobile device Download PDFInfo
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- CN104950318A CN104950318A CN201510369315.8A CN201510369315A CN104950318A CN 104950318 A CN104950318 A CN 104950318A CN 201510369315 A CN201510369315 A CN 201510369315A CN 104950318 A CN104950318 A CN 104950318A
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- mobile device
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- locating module
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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
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/34—Power consumption
Abstract
The invention discloses a power-saving method for a GPS (global position system) positioning module. The power-saving method comprises steps as follows: a mobile device acquires GPS positioning data by means of an opened GPS positioning module; whether the mobile device moves is determined according to the GPS positioning data; if the mobile device doesn't move according to the GPS positioning data, the GPS positioning module is closed, a gravity inductor is opened, and whether the mobile device moves is detected by the gravity inductor; if the gravity inductor detects that the mobile device moves, the GPS positioning module is opened, the gravity inductor is closed, and the GPS positioning data are acquired through the opened GPS positioning module. The invention further discloses the mobile device.
Description
Technical field
The present invention relates to GPS technology field, particularly relate to a kind of electricity saving method and mobile device of GPS locating module.
Background technology
At present, on the mobile apparatus, GPS (Global Positioning System, GPS) use of positioning service is more and more extensive, as: navigation software, service software of getting a lift, location-based social interaction server (such as: microblogging, micro-letter, Mo Mo etc.), based on the various services (such as: popular comment etc.) of map, etc.
Can say, on the mobile apparatus, the frequency of utilization of GPS positioning service is more and more higher, service time is also more and more longer.But, when user does not move for a long time, if the GPS locating module on mobile device is not closed, then GPS locating module can work always, cause GPS locating module at continuous drain, this makes GPS locating module when not obtaining new locator data, but consumes the more electricity on mobile device.
Summary of the invention
In view of this, the fundamental purpose of the embodiment of the present invention is the electricity saving method and the mobile device that provide a kind of GPS locating module, to realize the object reducing GPS locating module power consumption.
For achieving the above object, embodiments provide a kind of electricity saving method of GPS locating module, comprising:
Mobile device utilizes the GPS locating module opened to obtain GPS locator data;
Determine whether described mobile device moves according to described GPS locator data;
If determine that described mobile device does not move according to described GPS locator data, then close described GPS locating module and open gravity sensor, utilizing described gravity sensor to detect described mobile device and whether move;
If described gravity sensor detects that described mobile device moves, then open described GPS locating module and close described gravity sensor, continuing the step performing the GPS locating module acquisition GPS locator data that described utilization is opened.
Preferably, in the above-mentioned methods, describedly determine whether described mobile device moves, and comprising according to described GPS locator data:
The first displacement of described mobile device is determined according to described GPS locator data;
If described first displacement is less than first threshold, then determine that described mobile device does not move;
If described first displacement is more than or equal to described first threshold, then determine that described mobile device moves.
Preferably, said method also comprises:
Described GPS locator data is sent to the application software needing GPS positioning service;
After the described GPS locating module of described closedown, also comprise:
If described application software needs the GPS locator data for determining described mobile device current location, then the GPS locator data obtained last before the described GPS locating module of closedown is sent to described application software.
Preferably, in the above-mentioned methods, describedly utilize described gravity sensor to detect described mobile device whether to move, comprising:
Described gravity sensor is utilized to detect the second displacement of described mobile device;
If described second displacement is less than Second Threshold, then determine that described mobile device does not move;
If described second displacement is more than or equal to described Second Threshold, then determine that described mobile device moves.
Preferably, in the above-mentioned methods, if determine that described mobile device moves according to described GPS locator data, then the step performing the GPS locating module acquisition GPS locator data that described utilization is opened is continued.
The embodiment of the present invention additionally provides a kind of mobile device, comprising:
Data capture unit, obtains GPS locator data for utilizing the GPS locating module opened;
First identifying unit, the GPS locator data for obtaining according to described data capture unit determines whether described mobile device moves;
Unit is opened in closedown, if determine that described mobile device does not move for described first identifying unit according to described GPS locator data, then closes described GPS locating module and opens gravity sensor;
Whether the second identifying unit, for opening in described closedown after unit opens described gravity sensor, utilizing described gravity sensor to detect described mobile device and moving;
Continue acquiring unit, if described mobile device moves to utilize described gravity sensor to detect for described second identifying unit, then open described GPS locating module and close described gravity sensor, continuing to utilize described data capture unit to realize the function of the GPS locating module acquisition GPS locator data that described utilization is opened.
Preferably, in above-mentioned mobile device, described first identifying unit, comprising:
Distance determines subelement, for determining the first displacement of described mobile device according to described GPS locator data;
First determines subelement, if determine that described first displacement that subelement is determined is less than first threshold for described distance, then determines that described mobile device does not move;
Second determines subelement, if determine that described first displacement that subelement is determined is more than or equal to described first threshold for described distance, then determines that described mobile device moves.
Preferably, above-mentioned mobile device also comprises:
First transmitting element, for being sent to described GPS locator data the application software needing GPS positioning service;
Second transmitting element, for opening after unit closes described GPS locating module in described closedown, if described application software needs the GPS locator data for determining described mobile device current location, then the GPS locator data obtained last before the described GPS locating module of closedown is sent to described application software.
Preferably, in above-mentioned mobile device, described second identifying unit, comprising:
Distance detection sub-unit, for the second displacement utilizing described gravity sensor to detect described mobile device;
3rd determines subelement, if be less than Second Threshold for described described second displacement detected apart from detection sub-unit, then determines that described mobile device does not move;
4th determines subelement, if be more than or equal to described Second Threshold for described described second displacement detected apart from detection sub-unit, then determines that described mobile device moves.
Preferably, in above-mentioned mobile device, described continuation acquiring unit, if also determine that described mobile device moves for described first identifying unit according to described GPS locator data, then continue to utilize described data capture unit to realize the function of the GPS locating module acquisition GPS locator data that described utilization is opened.
The electricity saving method of the GPS locating module that the embodiment of the present invention provides and mobile device, whether the GPS locator data determination mobile device obtained by GPS locating module is moved, after determining that mobile device is no longer mobile, close GPS locating module and open gravity sensor, and utilize gravity sensor continuation detection mobile device whether to move, when detecting that mobile device starts mobile again, reopening GPS locating module and closing gravity sensor.Visible, in the mobile device quiescent period, the GPS locator data obtained due to GPS locating module will no longer change, therefore GPS locating module can be closed, and utilize gravity sensor to continue the movability of monitoring mobile device, because the electricity of gravity sensor consumption is compared with GPS locating module, the electricity of gravity sensor consumption is minimum, thus a large amount of electric quantity consumptions can be saved, and when gravity sensor detects that mobile device moves again, by reopening GPS locating module, the normal work of GPS locating module can be recovered.This mode switching use between GPS locating module and gravity sensor, ensure that GPS locating module Real-time Obtaining is on the basis of new locating information, reduces the power consumption of GPS locating module.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the electricity saving method of embodiment of the present invention GPS locating module;
Fig. 2 is the structural representation of embodiment of the present invention mobile device.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, the schematic flow sheet of the electricity saving method of the GPS locating module provided for the embodiment of the present invention, the method comprises:
Step 101: mobile device utilizes the GPS locating module opened to obtain GPS locator data.
When certain application software (such as Baidu's map) on mobile device needs to use GPS positioning service, by opening the GPS locating module Real-time Obtaining GPS locator data on mobile device, and the GPS locator data of acquisition is supplied to this application software timely.Wherein, described mobile device can be but be not limited to be the equipment such as mobile phone, ipad.
Step 102: according to described GPS locator data, mobile device determines whether described mobile device moves, if so, then performs step 101, if not, then performs step 103.
In the embodiment of the present invention, open period at GPS locating module, the GPS locator data that GPS locating module can obtain by mobile device is sent to the application software needing GPS positioning service, uses for this application software.GPS locating module is while providing GPS locator data to corresponding application software, mobile device also can detect self situation of movement, method is that calculating twice GPS locator data is to determine the displacement of mobile device, namely utilize the GPS locator data of up-to-date acquisition and the last GPS locator data obtained to determine the displacement of mobile device, when displacement be zero or be less than a minimum threshold values time (reason of getting threshold value is herein: possible mobile device is actual not mobile, but distance result of calculation is a minimum numerical value is not zero, so need to get a threshold value), judge that mobile device does not move, when displacement is more than or equal to a minimum threshold values, judge that mobile device moves.Based on foregoing, step 102 can be realized in the following manner:
The first displacement of described mobile device is determined according to described GPS locator data, namely, the current position location of described mobile device is determined according to the GPS locator data of current acquisition, determine position location last time of described mobile device according to the GPS locator data that the last time obtains, determine the first displacement between described current position location and described last time position location;
If described first displacement is less than first threshold, then determine that described mobile device does not move;
If described first displacement is more than or equal to described first threshold, then determine that described mobile device moves.
Step 103: if according to described GPS locator data, mobile device determines that described mobile device does not move, then close described GPS locating module and open gravity sensor.
Whether step 104: utilize described gravity sensor to detect described mobile device and whether move, if so, then perform step 105, if not, then continue to utilize described gravity sensor to detect described mobile device and move.
Mobile device not movement during this period of time in, if do not close GPS locating module, the GPS locator data that then GPS locating module obtains will no longer change, due to new GPS locator data can not be got during this, the power consumption of GPS locating module now can be reduced by closing GPS locating module.And in order to during closedown GPS locating module, still can detect whether mobile device is moving, and after detecting that mobile device moves again, new GPS locator data (step 105) is obtained by reopening GPS locating module, and new GPS locator data continued to be supplied to corresponding application software, thus ensure that this application software can obtain new correct GPS locator data all the time.Therefore, can during closedown GPS locating module, gravity sensor is utilized whether to move to detect mobile device, namely, whether while closedown GPS locating module, open gravity sensor and move to detect mobile device, the precision of current gravity sensor has been enough to the movement guaranteeing to detect that mobile device is very small, coordinate enough short interval detection time (such as: 50 times per second), any movement that mobile device can be detected can be determined.
Optionally, can according to after mobile in GPS locator data determination mobile device a period of time, close GPS locating module again, namely when mobile device do not move for a long time instead of of short duration do not move close GPS locating module, to reduce the frequent closedown of GPS locating module and gravity sensor.
Whether at step 104, describedly utilize described gravity sensor to detect described mobile device to move, specific implementation is as follows:
Described gravity sensor is utilized to detect the second displacement of described mobile device; If described second displacement is less than Second Threshold, then determine that described mobile device does not move; If described second displacement is more than or equal to described Second Threshold, then determine that described mobile device moves.
Wherein, described second displacement can equal described first displacement, and certainly described second displacement also can be more than or equal to described first displacement.
Further, close GPS locating module during this period of time in, if mobile device needs the application software of GPS positioning service require GPS locator data, then mobile device can provide and close the front last GPS locator data obtained of GPS locating module to this application software, that is, because mobile device is not mobile, so the GPS locator data of the last acquisition of mobile device buffer memory is exactly current correct locator data.Therefore, the embodiment of the present invention also comprises:
After the described GPS locating module of described closedown, if described application software needs the GPS locator data for determining described mobile device current location, then the GPS locator data obtained last before the described GPS locating module of closedown is sent to described application software.
Step 105: if described gravity sensor detects that described mobile device moves, then open described GPS locating module and close described gravity sensor, performs step 101.
In embodiments of the present invention, when gravity sensor detects that mobile device moves again, the position of mobile device will change again, now need to reopen GPS locating module, recover the positioning function of GPS locating module, do not affect the normal use of GPS locating module.
On typical mobile device, as run the smart mobile phone of Android operation system, the electric current of GPS locating module consumption is about 50 ~ 100 milliamperes, the electric current that gravity sensor itself consumes is very little, electric current, below 1 milliampere, detects the calculating of gravity sensing change and the electricity that consumes is about about 10 milliamperes.Visible, the electricity consumed due to gravity sensor and corresponding calculating is less than the electricity that GPS locating module consumes, therefore with open compared with GPS locating module for a long time, close GPS locating module when mobile device does not move, start gravity sensor, effectively can reduce the power consumption of GPS locating module.
The electricity saving method of the GPS locating module that the embodiment of the present invention provides, whether the GPS locator data determination mobile device that mobile device is obtained by GPS locating module moves, after determining that mobile device is no longer mobile, close GPS locating module and open gravity sensor, and utilize gravity sensor continuation detection mobile device whether to move, when detecting that mobile device starts mobile again, reopening GPS locating module and closing gravity sensor.Visible, in the mobile device quiescent period, the GPS locator data obtained due to GPS locating module will no longer change, therefore GPS locating module can be closed, and utilize gravity sensor to continue the movability of monitoring mobile device, because the electricity of gravity sensor consumption is compared with GPS locating module, the electricity of gravity sensor consumption is minimum, thus a large amount of electric quantity consumptions can be saved, and when gravity sensor detects that mobile device moves again, by reopening GPS locating module, the normal work of GPS locating module can be recovered.This mode switching use between GPS locating module and gravity sensor, ensure that GPS locating module Real-time Obtaining is on the basis of new locating information, reduces the power consumption of GPS locating module.
See Fig. 2, be the structural representation of the mobile device that the embodiment of the present invention provides, this mobile device comprises:
Data capture unit 201, obtains GPS locator data for utilizing the GPS locating module opened;
For the GPS locator data obtained according to described data capture unit 201, first identifying unit 202, determines whether described mobile device moves;
Unit 203 is opened in closedown, if determine that described mobile device does not move for described first identifying unit 202 according to described GPS locator data, then closes described GPS locating module and opens gravity sensor;
Whether the second identifying unit 204, for opening in described closedown after unit 203 opens described gravity sensor, utilizing described gravity sensor to detect described mobile device and moving;
Continue acquiring unit 205, if described mobile device moves to utilize described gravity sensor to detect for described second identifying unit 204, then open described GPS locating module and close described gravity sensor, continuing to utilize described data capture unit 201 to realize the function of the GPS locating module acquisition GPS locator data that described utilization is opened.
Wherein, described first identifying unit 202, comprising:
Distance determines subelement, for determining the first displacement of described mobile device according to described GPS locator data;
First determines subelement, if determine that described first displacement that subelement is determined is less than first threshold for described distance, then determines that described mobile device does not move;
Second determines subelement, if determine that described first displacement that subelement is determined is more than or equal to described first threshold for described distance, then determines that described mobile device moves.
Further, described mobile device also comprises:
First transmitting element, for being sent to described GPS locator data the application software needing GPS positioning service;
Second transmitting element, for opening after unit closes described GPS locating module in described closedown, if described application software needs the GPS locator data for determining described mobile device current location, then the GPS locator data obtained last before the described GPS locating module of closedown is sent to described application software.
Wherein, described second identifying unit 204, comprising:
Distance detection sub-unit, for the second displacement utilizing described gravity sensor to detect described mobile device;
3rd determines subelement, if be less than Second Threshold for described described second displacement detected apart from detection sub-unit, then determines that described mobile device does not move;
4th determines subelement, if be more than or equal to described Second Threshold for described described second displacement detected apart from detection sub-unit, then determines that described mobile device moves.
Wherein, described continuation acquiring unit 205, if also determine that described mobile device moves for described first identifying unit 202 according to described GPS locator data, then continue to utilize described data capture unit 201 to realize the function of the GPS locating module acquisition GPS locator data that described utilization is opened.
The mobile device that the embodiment of the present invention provides, whether the GPS locator data determination mobile device obtained by GPS locating module is moved, after determining that mobile device is no longer mobile, close GPS locating module and open gravity sensor, and utilize gravity sensor continuation detection mobile device whether to move, when detecting that mobile device starts mobile again, reopening GPS locating module and closing gravity sensor.Visible, in the mobile device quiescent period, the GPS locator data obtained due to GPS locating module will no longer change, therefore GPS locating module can be closed, and utilize gravity sensor to continue the movability of monitoring mobile device, because the electricity of gravity sensor consumption is compared with GPS locating module, the electricity of gravity sensor consumption is minimum, thus a large amount of electric quantity consumptions can be saved, and when gravity sensor detects that mobile device moves again, by reopening GPS locating module, the normal work of GPS locating module can be recovered.This mode switching use between GPS locating module and gravity sensor, ensure that GPS locating module Real-time Obtaining is on the basis of new locating information, reduces the power consumption of GPS locating module.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that all or part of step in above-described embodiment method can add required general hardware platform by software and realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network communication equipments such as such as media gateway, etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
It should be noted that, for mobile device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
Also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an electricity saving method for GPS locating module, is characterized in that, comprising:
Mobile device utilizes the GPS locating module opened to obtain GPS locator data;
Determine whether described mobile device moves according to described GPS locator data;
If determine that described mobile device does not move according to described GPS locator data, then close described GPS locating module and open gravity sensor, utilizing described gravity sensor to detect described mobile device and whether move;
If described gravity sensor detects that described mobile device moves, then open described GPS locating module and close described gravity sensor, continuing the step performing the GPS locating module acquisition GPS locator data that described utilization is opened.
2. method according to claim 1, is characterized in that, describedly determines whether described mobile device moves, and comprising according to described GPS locator data:
The first displacement of described mobile device is determined according to described GPS locator data;
If described first displacement is less than first threshold, then determine that described mobile device does not move;
If described first displacement is more than or equal to described first threshold, then determine that described mobile device moves.
3. method according to claim 1, is characterized in that, described method also comprises:
Described GPS locator data is sent to the application software needing GPS positioning service;
After the described GPS locating module of described closedown, also comprise:
If described application software needs the GPS locator data for determining described mobile device current location, then the GPS locator data obtained last before the described GPS locating module of closedown is sent to described application software.
4. whether the method according to any one of claims 1 to 3, is characterized in that, describedly utilize described gravity sensor to detect described mobile device to move, comprising:
Described gravity sensor is utilized to detect the second displacement of described mobile device;
If described second displacement is less than Second Threshold, then determine that described mobile device does not move;
If described second displacement is more than or equal to described Second Threshold, then determine that described mobile device moves.
5. method according to claim 1, is characterized in that,
If determine that described mobile device moves according to described GPS locator data, then continue the step performing the GPS locating module acquisition GPS locator data that described utilization is opened.
6. a mobile device, is characterized in that, comprising:
Data capture unit, obtains GPS locator data for utilizing the GPS locating module opened;
First identifying unit, the GPS locator data for obtaining according to described data capture unit determines whether described mobile device moves;
Unit is opened in closedown, if determine that described mobile device does not move for described first identifying unit according to described GPS locator data, then closes described GPS locating module and opens gravity sensor;
Whether the second identifying unit, for opening in described closedown after unit opens described gravity sensor, utilizing described gravity sensor to detect described mobile device and moving;
Continue acquiring unit, if described mobile device moves to utilize described gravity sensor to detect for described second identifying unit, then open described GPS locating module and close described gravity sensor, continuing to utilize described data capture unit to realize the function of the GPS locating module acquisition GPS locator data that described utilization is opened.
7. mobile device according to claim 6, is characterized in that, described first identifying unit, comprising:
Distance determines subelement, for determining the first displacement of described mobile device according to described GPS locator data;
First determines subelement, if determine that described first displacement that subelement is determined is less than first threshold for described distance, then determines that described mobile device does not move;
Second determines subelement, if determine that described first displacement that subelement is determined is more than or equal to described first threshold for described distance, then determines that described mobile device moves.
8. mobile device according to claim 6, is characterized in that, described mobile device also comprises:
First transmitting element, for being sent to described GPS locator data the application software needing GPS positioning service;
Second transmitting element, for opening after unit closes described GPS locating module in described closedown, if described application software needs the GPS locator data for determining described mobile device current location, then the GPS locator data obtained last before the described GPS locating module of closedown is sent to described application software.
9. the mobile device according to any one of claim 6 to 8, is characterized in that, described second identifying unit, comprising:
Distance detection sub-unit, for the second displacement utilizing described gravity sensor to detect described mobile device;
3rd determines subelement, if be less than Second Threshold for described described second displacement detected apart from detection sub-unit, then determines that described mobile device does not move;
4th determines subelement, if be more than or equal to described Second Threshold for described described second displacement detected apart from detection sub-unit, then determines that described mobile device moves.
10. mobile device according to claim 6, is characterized in that,
Described continuation acquiring unit, if also determine that described mobile device moves for described first identifying unit according to described GPS locator data, then continues to utilize described data capture unit to realize the function of the GPS locating module acquisition GPS locator data that described utilization is opened.
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| CN107040979A (en) * | 2017-03-23 | 2017-08-11 | 北京珠穆朗玛移动通信有限公司 | The control method and mobile terminal of functional module |
| CN107040979B (en) * | 2017-03-23 | 2020-05-19 | 北京珠穆朗玛移动通信有限公司 | Control method of functional module and mobile terminal |
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