CN104251690A - Method and electronic device for acquiring relative height - Google Patents
Method and electronic device for acquiring relative height Download PDFInfo
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- CN104251690A CN104251690A CN201310263282.XA CN201310263282A CN104251690A CN 104251690 A CN104251690 A CN 104251690A CN 201310263282 A CN201310263282 A CN 201310263282A CN 104251690 A CN104251690 A CN 104251690A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means
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Abstract
The invention discloses a method and an electronic device for acquiring relative height, relates to the electronic terminal application field, and can acquire the relative height according to a pressure intensity value. The specific embodiment comprises the air pressure value of the environment of the electronic device is acquired by a sensing unit of the electronic device, and when the change of the air pressure value in a predetermined period of time is maintained in a first threshold value, the air pressure value is determined to be a first reference air pressure value; when the acquired current air pressure value exceeds the first threshold value, the relative height is acquired according to the current air pressure value and the determined first pressure reference value. The method and the electronic device are mainly applied to the relative height acquisition process.
Description
Technical field
The present invention relates to electric terminal application, particularly relate to a kind of method and the electronic equipment that obtain relative height.
Background technology
At present, we measure the absolute pressure of air by a kind of sensor measuring atmospheric pressure, just current atmospheric pressure value can be got accurately by this absolute pressure, again because the atmospheric pressure value on arbitrary height, equal the large gas column weight that unit area on this height is born, so we just can obtain the absolute altitude of current location according to the atmospheric pressure value of optional position.Such as, we climb the mountain time, the atmospheric pressure value of position can be measured, thus just can know the height above sea level of position, same, when our a certain position at buildings, also can be same obtain the height above sea level being in position.But said method can not meet the demand that we obtain relative height.Such as when climbing the mountain, we can not know from the foot of the hill, to the height of current location.And for example, when locating floor, due to 1 layer of difference building, its sea level elevation is different, namely under the 1st layer of the building on mountain and mountain is obviously different, so when our a certain position at buildings, even if get the pressure values of this position, can not determine that this position is which layer of this buildings, that is can not obtain the relative height of this position.
Summary of the invention
Embodiments of the invention provide a kind of method and the electronic equipment that obtain relative height, can get relative height according to the pressure values measured.
For achieving the above object, embodiments of the invention adopt following technical scheme:
Obtain a method for relative height, described method is applied to electronic equipment, and described electronic equipment has sensing unit, comprising:
Described sensing unit is utilized to obtain the atmospheric pressure value of environment residing for described electronic equipment;
When the change of described atmospheric pressure value in schedule time length maintains within first threshold, determine the first air pressure reference value;
When obtain current gas pressure value exceed described first threshold time, based on described current gas pressure value and described determine first air pressure reference value obtain relative height.
A kind of electronic equipment, comprising:
Sensing unit, for obtaining the atmospheric pressure value of environment residing for described electronic equipment;
Determining unit, for when the conversion of described atmospheric pressure value in schedule time length that described sensing unit obtains maintains within first threshold, determines that described atmospheric pressure value is the first air pressure reference value;
Acquiring unit, for when the current gas pressure value that described sensing unit obtains exceedes described first threshold, the described first air pressure reference value determined based on described current gas pressure value and described determining unit obtains relative height.
A kind of method and electronic equipment obtaining relative height that the embodiment of the present invention provides, after sensing unit gets the atmospheric pressure value of environment residing for electronic equipment, and when the change of this atmospheric pressure value in schedule time length maintains first threshold, determine that this atmospheric pressure value is the first air pressure reference value, when current gas pressure value exceedes this first threshold, obtain relative height according to current gas pressure value and the first air pressure reference value.Technical solution of the present invention, solves the problem that intuitively can not obtain relative height in prior art according to atmospheric pressure value.
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 only 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.
A kind of process flow diagram obtaining the method for relative height that Fig. 1 provides for one embodiment of the invention;
A kind of air pressure that Fig. 2-1 provides for one embodiment of the invention is with the schematic diagram of height change;
The another kind of air pressure that Fig. 2-2 provides for one embodiment of the invention is with the schematic diagram of height change;
Another air pressure that Fig. 2-3 provides for one embodiment of the invention is with the schematic diagram of height change;
A kind of process flow diagram obtaining the method for relative height that Fig. 3 provides for another embodiment of the present invention;
The composition schematic diagram of a kind of electronic equipment that Fig. 4 provides for another embodiment of the present invention;
The composition schematic diagram of the another kind of electronic equipment that Fig. 5 provides for another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only 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.
One embodiment of the invention provides a kind of method obtaining relative height, and the method is applied to electronic equipment, and as shown in Figure 1, the method comprises:
101, the atmospheric pressure value of environment residing for electronic equipment is obtained.
Wherein, this atmospheric pressure value is performed by the sensing unit comprised in electronic equipment.
102, when the change of above-mentioned atmospheric pressure value in schedule time length maintains within first threshold, the first air pressure reference value is determined.
Optionally, above-mentioned first air pressure reference value comprises one or one group of atmospheric pressure value being contained in above-mentioned first threshold.
Optionally, also comprised before determining this first air pressure reference value this first threshold is set.Preferably, this first threshold refers to the atmospheric pressure value at the starting point place of height to be measured, when electronic equipment does not exist relative height at residing environment, or when relative height difference is minimum, atmospheric pressure value is now obtained by sensing unit, and establish the atmospheric pressure value of this acquisition to be set to first threshold, and this first threshold is different in different environment.
Further, when the current gas pressure value that sensing unit obtains exceeds first threshold, following 103 are performed.
103, according to current gas pressure value and the first air pressure reference value of determining, relative height is obtained.
Concrete, the first air pressure reference value is the air pressure that electronic equipment is in initial point position, the air pressure in current gas pressure value final position at electronic equipment; And according to atmospheric pressure value change with the corresponding relation of height change, acquire relative height.
Such as, if need the difference in height between measuring position A and position B, and determine that position A is starting point, position B is terminal, and so the first air pressure reference value represents the atmospheric pressure value of position A, and current gas pressure value represents the atmospheric pressure value of position B.Further, according to the variation relation of air pressure with height, such as, within height above sea level 2 km, often raise 12 meters, atmospheric pressure reduces by 1 mm Hg, thus obtains the relative height of A and B.
Optionally, the atmospheric pressure value of environment residing for the electronic equipment that sensing unit gets, can also perform following operation:
When a, current gas pressure value exceed first threshold, draw the first model according to the atmospheric pressure value acquired.
What deserves to be explained is, the first model is the curve drawn according to atmospheric pressure value.
B, judge whether the first model meets second condition.
What deserves to be explained is, before the judgement performing b, set up preset model, this preset model represents atmospheric pressure and variation relation highly.Then perform above-mentioned b to be specially, judge whether the first model is contained in preset model.
In addition, preset model represents the variation relation of air pressure and altitude, and preferably, this preset model by right-angle coordinate representation, and sets horizontal ordinate as position, and ordinate is atmospheric pressure value.This preset model at least comprises following three kinds of forms:
The first form: people travels in normal roadside, when walking about, the smooth variation of air pressure, as shown in Fig. 2-1;
Optionally, can establish now in curve, the maximal value of air pressure and the minimum value of air pressure, as the end points of first threshold.And in this Fig. 2-1, the change of the positional representation horizontal level of horizontal ordinate.
The second form: when stair climbing, with the slow uniform descent of increase pressure values of stair exponent number, as shown in Fig. 2-2;
The third form: when sitting elevator, atmospheric pressure trends is identical compared with during stair climbing, but rate of change is large, as Figure 2-3.
What deserves to be explained is, in above-mentioned Fig. 2-2,2-3, the position of weighing apparatus shown in coordinate, represents the change that there is the position of difference in height, and that is, the direction height of horizontal ordinate arrow points increases.
Other any one or a few form can also be comprised according to actual conditions preset model.
C, when determining that the first model is contained in preset model, perform above-mentioned 103.
Preferably, in conjunction with the situation of going upstairs described in above-mentioned b, the data before upper first rank stair are the first air pressure reference value, and the atmospheric pressure value of current position acquisition is current gas pressure value.
What deserves to be explained is, draw the first model according to the atmospheric pressure value that sensing unit gets, by with the mating of preset model, current motion state can be known.
Further, after getting above-mentioned relative height, electronic equipment can show this relative height to user.
A kind of method obtaining relative height that the embodiment of the present invention provides, the method is applied to electronic equipment, after sensing unit in the electronic device acquires the atmospheric pressure value representing residing environment, and when the change of this atmospheric pressure value in schedule time length maintains first threshold, determine that this atmospheric pressure value is the first air pressure reference value, when current gas pressure value exceedes first threshold, obtain relative height according to this current atmospheric pressure value and the first air pressure reference value.Technical solution of the present invention, solves the problem that intuitively can not obtain relative height in prior art according to atmospheric pressure value, improves Consumer's Experience.
Another embodiment of the present invention provides a kind of method obtaining relative height, and as shown in Figure 3, the method comprises:
201, the atmospheric pressure value of environment residing for electronic equipment is obtained.
202, first threshold is set.
203, judge that the atmospheric pressure value that obtains is whether in first threshold.
Further, when determine atmospheric pressure value in predetermined time period within this first threshold time, determine that atmospheric pressure value is now the first air pressure reference value; When determining that current gas pressure value exceeds this first threshold, perform following 204.
204, according to the first air pressure reference value and current gas pressure value, relative height is obtained.
What deserves to be explained is, this step is corresponding with 103 in a upper embodiment, and related content describes identical, is not repeated.
205, relative height is shown.
What deserves to be explained is, the display of relative height, comprise but be not defined as following two kinds of representations:
The first representation: directly relative height is shown to user.
Such as, we are when climbing the mountain, can directly by setting-up time, and the relative height of climbing the mountain is shown to user.Concrete, the pressure that can obtain when timing starts is as the first air pressure reference value, and the pressure at the end of setting-up time is current gas pressure value, and then according to this first air pressure reference value and current gas pressure value, obtain relative height, and this relative height value is directly shown to user.
The second representation: according to actual conditions, is converted into the form that user needs, shows by relative height.
Preferably, if user is in a certain buildings, and now the demand of user is, gets the number of floor levels that position is positioned at, then now relative height is converted into number of floor levels and is shown to user.
What deserves to be explained is, in conjunction with the description of a upper embodiment, after the atmospheric pressure value acquiring environment residing for electronic equipment, because atmospheric pressure value is Real-time Obtaining, can according to the atmospheric pressure value curve plotting of this Real-time Obtaining, this curve is the first model, and this first model for represent air pressure with and height change relation, and when determining that this first model is contained in preset model, according to current gas pressure value and the first air pressure reference value, obtain relative height.
In conjunction with above-mentioned the second representation, preferred electron equipment is shown as example with floor, if the position that user is in is the second layer of buildings, then according to the atmospheric pressure value of the atmospheric pressure value before going upstairs and this position, gets relative height.Concrete, in conjunction with the change curve of air pressure during the stair climbing described in above-mentioned b with stair exponent number, owing to being in level land before going upstairs, that is atmospheric pressure value is now contained within first threshold, air pressure change so represented by curve, the curve being horizontal line or changing by a small margin, when going upstairs air pressure start reduce, then using air pressure by level to reduce critical point as the first air pressure reference value selected point.
Further, if when user is in position higher than the second layer, fixed by the height between floor again, now can according to known story height and the relative height got, and then get the number of floor levels that position is positioned at, or in conjunction with the change curve of air pressure with stair exponent number, except ground floor, often occur that place's air pressure level goes to decline, just illustrate that user transfers stair climbing state to by level land, then according to the number of times of the curve drawn by the atmospheric pressure value namely change of the first model, current residing number of floor levels can be known.
What deserves to be explained is further, after this relative height of acquisition, the information of change electronic device works state can also be shown to user, or the duty of change electronic equipment is automatically set according to user.This information comprises the information of the contextual model of prompting change electronic equipment, the information of changed network connection or opens the information etc. of navigation.Such as, user can start sensing unit in the schedule time, at the atmospheric pressure value obtained according to sensing unit, and after performing above-mentioned 201-205, user just can know current floor information, can also specify the floor information of electronic equipment display reminding information or automatic change duty.Further, if when the floor of display is consistent with the floor of user preset, then electronic equipment display reminding change contextual model is the information of vibrational state, or directly change contextual model is vibrational state.Wherein, the duty of display reminding information or automatic change electronic equipment can be set by user or electronic equipment.
Same, when user can be set in designated floor, the information that display changed network connects; Or when reaching the location of instruction, the navigation feature etc. of unlocking electronic equipment, specific implementation, changes the information of contextual model with above-mentioned display or automatically to change the implementation method of contextual model identical, is not repeated.
A kind of method obtaining relative height that the embodiment of the present invention provides, the method is applied to electronic equipment, after sensing unit in electronic equipment acquires the atmospheric pressure value representing residing environment, and when the change of this atmospheric pressure value in schedule time length maintains first threshold, determine that this atmospheric pressure value is the first air pressure reference value, when current gas pressure value exceedes first threshold, relative height is obtained according to this current atmospheric pressure value and the first air pressure reference value, and the display format of relative height can be set according to user's request, simultaneously can according to the duty of this relative height change electronic equipment.Technical solution of the present invention, solves the problem that intuitively can not obtain relative height in prior art according to atmospheric pressure value, improves Consumer's Experience.
Embodiments provide a kind of device obtaining relative height, as shown in Figure 4, this device comprises: sensing unit 41, determining unit 42, acquiring unit 43.
Sensing unit 41, for obtaining the atmospheric pressure value of environment residing for electronic equipment.
Determining unit 42, for when the conversion of atmospheric pressure value in schedule time length that sensing unit 41 obtains maintains within first threshold, determines the first air pressure reference value.
Optionally, above-mentioned first air pressure reference value comprises one or one group of atmospheric pressure value being contained in above-mentioned first threshold.
Acquiring unit 43, for when the current gas pressure value that sensing unit 41 obtains exceedes first threshold, the first air pressure reference value determined based on current gas pressure value and determining unit 42 obtains relative height.
Optionally, the first air pressure reference value is the air pressure that electronic equipment is in initial point position, the air pressure in current gas pressure value final position at electronic equipment; And according to atmospheric pressure value change and the corresponding relation of height change, acquire relative height.Such as, if need the difference in height between measuring position A and position B, and determine that position A is starting point, position B is terminal, and so the first air pressure reference value represents the atmospheric pressure value of position A, and current gas pressure value represents the atmospheric pressure value of position B.Further, according to the variation relation of air pressure with height, such as, within height above sea level 2 km, often raise 12 meters, atmospheric pressure reduces by 1 mm Hg, thus obtains A and B relative height.
Optionally, as shown in Figure 5, this electronic equipment also comprises: setting unit 44, rendering model unit 45, judging unit 46, model set up unit 47, display unit 48.
Setting unit 44, for arranging first threshold.
Preferably, when electronic equipment does not exist relative height at residing environment, or when relative height difference is minimum, obtain atmospheric pressure value now by sensing unit 41, and establish the atmospheric pressure value of this acquisition to be set to first threshold.
Rendering model unit 45, for when the current gas pressure value that sensing unit 41 obtains exceedes first threshold, draws the first model according to atmospheric pressure value.
Wherein, the first model is the curve that atmospheric pressure value is drawn with the transformation relation of height.
Judging unit 46, also for judging whether the first model that rendering model unit 45 is drawn meets second condition.
Wherein, judge whether the first model meets second condition, namely judge whether this first model is contained in model and sets up in the preset model of unit 47 foundation.
Acquiring unit 43, also for when judging unit 46 determines that the first model meets second condition, the current gas pressure value obtained according to sensing unit 41 and the first air pressure reference value of determining unit 42, obtain relative height.
Optionally, also comprise:
Unit 47 set up by model, for setting up preset model.
Wherein, preset model is the curve of the variation relation representing atmospheric pressure and height.
Preferably, this preset model by right-angle coordinate representation, and sets horizontal ordinate as position, and ordinate is atmospheric pressure value.This preset model at least comprises following three kinds of forms:
The first form: people travels in normal roadside, when walking about, the smooth variation of air pressure, as shown in accompanying drawing 2-1;
The second form: when stair climbing, with the slow uniform descent of increase pressure values of stair exponent number, as shown in accompanying drawing 2-2;
The third form: when sitting elevator, atmospheric pressure trends is identical compared with during stair climbing, but rate of change is large, as illustrated in figs. 2-3.
Other any one or a few form can also be comprised according to actual conditions preset model.
C, when determining that the first model is contained in preset model, perform above-mentioned 103.
Preferably, in conjunction with the situation of going upstairs described in above-mentioned b, the data before upper first rank stair are reference data, and the atmospheric pressure value of current position acquisition is end data.
Judging unit 46, specifically for judging whether the first model that rendering model unit 45 is drawn is contained in model and sets up in the described preset model that unit 47 sets up.
Display unit 48, for showing the relative height that acquiring unit 43 obtains.
Optionally, display unit 48 shows relative height, comprises but is not defined as following two kinds of representations:
The first representation: directly relative height is shown to user.
Such as, we are when climbing the mountain, can directly by setting-up time, and the relative height of climbing the mountain is shown to user.Concrete, the pressure that can obtain when timing starts is as the first air pressure reference value, and the pressure at the end of setting-up time is current gas pressure value, and then according to this first air pressure reference value and current gas pressure value, get relative height, and this relative height value is directly shown to user.
The second representation: according to actual conditions, is converted into the form that user needs, shows by relative height.
Preferably, if user is in a certain buildings, and now the demand of user is get the number of floor levels that position is positioned at, then now relative height is converted into number of floor levels and is shown to user.
What deserves to be explained is further, the display unit 48 of this electronic equipment, also for after obtaining relative height at acquiring unit 43, the information of change electronic device works state can also be shown to user, or the duty of change electronic equipment is automatically set according to user.Wherein, information comprises the contextual model of prompting change electronic equipment, the information of network connection or opens the information etc. of navigation.Such as, user can start sensing unit in the schedule time, at the atmospheric pressure value obtained according to sensing unit, after performing above-mentioned 201-205, and is shown to user with floor information.If when the floor of display is consistent with the floor of user preset, display reminding change contextual model is the information of vibrational state, or directly change contextual model is vibrational state.Wherein, the duty of display reminding information or change electronic equipment can be set by user or electronic equipment.Same, when user can be set in designated floor, the information that display changed network connects; Or when reaching the location of instruction, the navigation feature etc. of unlocking electronic equipment, specific implementation, changes the information of contextual model with above-mentioned display or automatically to change the implementation method of contextual model identical, is not repeated.
The electronic equipment that the embodiment of the present invention provides, after sensing unit acquires the atmospheric pressure value representing residing environment, determining unit is when the change of this atmospheric pressure value in schedule time length maintains first threshold, determine that this atmospheric pressure value is the first air pressure reference value, and then acquiring unit is when front atmospheric pressure value exceedes first threshold, obtain relative height according to this current atmospheric pressure value and the first air pressure reference value, and show this relative height by display unit to user.The electronic equipment that the embodiment of the present invention provides, solves the problem that intuitively can not obtain relative height in prior art according to atmospheric pressure value, improves Consumer's Experience.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required common hardware by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better embodiment.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 is stored in the storage medium that can read, as the floppy disk of computing machine, hard disk or CD etc., comprise some instructions and perform method described in each embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. obtain a method for relative height, described method is applied to electronic equipment, and described electronic equipment has sensing unit, it is characterized in that, comprising:
Described sensing unit is utilized to obtain the atmospheric pressure value of environment residing for described electronic equipment;
When the change of described atmospheric pressure value in schedule time length maintains within first threshold, determine the first air pressure reference value;
When obtain current gas pressure value exceed described first threshold time, based on described current gas pressure value and described determine first air pressure reference value obtain relative height.
2. the method for acquisition relative height according to claim 1, is characterized in that, also comprise: arrange described first threshold.
3. the method for acquisition relative height according to claim 1, is characterized in that, also comprise:
When obtain current gas pressure value exceed described first threshold time, draw the first model according to the described atmospheric pressure value that described sensing unit obtains;
Judge whether described first model meets second condition;
When determining that described first model meets described second condition, according to described current gas pressure value and described first air pressure reference value, obtain described relative height.
4. the method for acquisition relative height according to claim 3, is characterized in that, described judge whether described first model meets second condition before, also comprise:
Set up preset model, described preset model represents atmospheric pressure and variation relation highly;
Describedly judge whether described first model meets described second condition, comprising:
Judge whether described first model is contained in described preset model.
5. the method for the acquisition relative height according to claim 2 or 4, is characterized in that, after the described relative height of acquisition, also comprises: show described relative height.
6. an electronic equipment, is characterized in that, comprising:
Sensing unit, for obtaining the atmospheric pressure value of environment residing for described electronic equipment;
Determining unit, for when the conversion of described atmospheric pressure value in schedule time length that described sensing unit obtains maintains within first threshold, determines the first air pressure reference value;
Acquiring unit, for when the current gas pressure value that described sensing unit obtains exceedes described first threshold, based on the described first air pressure reference value that described current gas pressure value and described determining unit are determined, obtains relative height.
7. electronic equipment according to claim 6, is characterized in that, described electronic equipment also comprises: setting unit, for arranging described first threshold.
8. electronic equipment according to claim 6, is characterized in that, described electronic equipment also comprises:
Rendering model unit, for when obtain current gas pressure value exceed described first threshold time, draw the first model according to the described atmospheric pressure value that described sensing unit obtains;
Judging unit, also for judging whether described first model that described rendering model unit is drawn meets second condition;
Described acquiring unit, time also for determining that when described judging unit described first model that described rendering model unit obtains meets described second condition, the described first air pressure reference value that the described current gas pressure value obtained according to described sensing unit and described determining unit are determined, obtains described relative height.
9. electronic equipment according to claim 8, is characterized in that, described electronic equipment also comprises:
Unit set up by model, and for setting up preset model, described preset model represents atmospheric pressure and variation relation highly;
Described judging unit, specifically for judging whether described first model that described rendering model unit is drawn is contained in described model and sets up in the described preset model that unit sets up.
10. the electronic equipment according to claim 7 or 9, is characterized in that, also comprises:
Display unit, after obtaining described relative height at described acquiring unit, shows described relative height.
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