CN204719229U - A kind of positioning system based on localization by ultrasonic and wearable device - Google Patents
A kind of positioning system based on localization by ultrasonic and wearable device Download PDFInfo
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- CN204719229U CN204719229U CN201520422447.8U CN201520422447U CN204719229U CN 204719229 U CN204719229 U CN 204719229U CN 201520422447 U CN201520422447 U CN 201520422447U CN 204719229 U CN204719229 U CN 204719229U
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Abstract
The utility model discloses a kind of positioning system based on localization by ultrasonic and wearable device.System comprises the first wearable device and intelligent terminal.First wearable device comprises the first ultrasound transmitter device; Described intelligent terminal comprises the first ultrasonic receiver, arithmetical unit and alarm unit; Wherein: the first ultrasound transmitter device, for sending the first ultrasonic signal of the mark comprising the first wearable device; First ultrasonic receiver, for receiving described first ultrasonic signal; Arithmetical unit, for calculating the distance with described first wearable device based on the localization by ultrasonic of described first ultrasonic signal, and when described distance exceedes the threshold value preset, sends alarm command to described alarm unit; Alarm unit, for sending alerting signal according to described alarm command.
Description
Technical field
The utility model relates to ultrasonic positioning techniques field, especially, relates to a kind of positioning system based on localization by ultrasonic and wearable device.
Background technology
With child go out together play, take a walk or do shopping time, in an unguarded moment, child disappears in the visual field and has suffered,---this thing that probably I guess any one Parenting is the most frightened.Market, recreation ground, entrance etc. become children loss occurred frequentlyly, the frequency of children loss is very high, allows the whole society have to face the problem of this sternness, so the product of pre-children loss prevention arises at the historic moment.
At present, had some company designs to follow the trail of bracelet or the wrist-watch of children in prior art, these bracelets or wrist-watch are mostly based on GPS positioning principle.Locator meams based on GPS utilizes the GPS locating module on mobile phone the position signalling of oneself to be sent to backstage, location to realize mobile phone location.GPS positioning precision is higher, but very large by effect of signals, full accuracy about 10 meters, and the gps signal that the location bracelet based on GPS receives when indoor is very weak, is difficult to location.And for the zonule such as indoor mall in the region occurred frequently of children loss, the localization method based on GPS principle has certain limitation.
Intelligent terminal application is also very general, can send and receive ultrasound wave.Intelligent terminal is applied the ranging technology of ultrasound wave in zonule self sending and receive and has also been tending towards ripe.
Utility model content
In view of this, the utility model embodiment proposes a kind of positioning system based on localization by ultrasonic and wearable device, thus provides a kind of anti-missing solution.
Technical solutions of the utility model are as follows:
Based on a positioning system for localization by ultrasonic, comprise the first wearable device and intelligent terminal; Described first wearable device comprises the first ultrasound transmitter device; Described intelligent terminal comprises the first ultrasonic receiver, arithmetical unit and alarm unit; Wherein:
First ultrasound transmitter device, for sending the first ultrasonic signal of the mark comprising the first wearable device;
First ultrasonic receiver, for receiving described first ultrasonic signal;
Arithmetical unit, for calculating the distance with described first wearable device based on the localization by ultrasonic of described first ultrasonic signal, and when described distance exceedes the threshold value preset, sends alarm command to described alarm unit;
Alarm unit, for sending alerting signal according to described alarm command.
Preferably, the first wearable device and intelligent terminal also comprise time synchronized unit respectively;
The time synchronized unit of intelligent terminal, for the time synchronized unit transmitting time synchronizing signal to the first wearable device;
The time synchronized unit of the first wearable device, for synchronous with the intelligent terminal retention time based on this time synchronizing signal;
The first ultrasonic signal that first ultrasound transmitter device sends comprises the transmitting time point T1 of the first ultrasonic signal further;
First ultrasonic receiver, for recording the time of reception point T2 of the first ultrasonic signal, parses described transmitting time point T1 from described first ultrasonic signal;
Arithmetical unit, for calculating the distance L with described wearable device, wherein L=(T2-T1) × V; V is the aerial velocity of propagation of ultrasound wave.
Preferably, intelligent terminal also comprises the second ultrasound transmitter device; First wearable device also comprises the second ultrasonic receiver; Comprising the first ultrasonic signal of the mark of the first wearable device described in first ultrasound transmitter device sends, is that the second ultrasonic receiver receives from the second ultrasound transmitter device;
First ultrasonic receiver, for recording the time of reception point T2 of the first ultrasonic signal;
Arithmetical unit, sends the time point T1 of described first ultrasonic signal for preserving default processing time T and the second ultrasound transmitter device, and calculates the distance L with described wearable device, wherein L=((T2-T1-T)/2) × V; V is the aerial velocity of propagation of ultrasound wave.
Preferably, described first wearable device also comprises the second ultrasonic receiver and storage unit;
Second ultrasonic receiver, for the second ultrasonic signal that other wearable devices received except the first wearable device send, and from described second ultrasonic signal, parse the mark of described other wearable devices except the first wearable device;
Storage unit, position when receiving the second ultrasonic signal for the time of reception of the second ultrasonic signal described in association store, the mark of described other wearable devices except the first wearable device and described first wearable device;
First ultrasound transmitter device, for when receive that intelligent terminal sends comprise the ultrasonic signal of the mark of described other wearable devices except the first wearable device except time, comprise the 3rd ultrasonic signal of the position when time of reception of described second ultrasonic signal, the mark of described other wearable devices except the first wearable device and described first wearable device receive the second ultrasonic signal to intelligent terminal transmission.
Preferably, described arithmetical unit comprises:
Arithmetic element, for calculating the distance with described first wearable device based on the localization by ultrasonic of described first ultrasonic signal;
Comparer, for more described distance and the threshold value preset, wherein when described distance exceedes the threshold value preset, sends alarm command to described alarm unit.
Based on a wearable device for localization by ultrasonic, described wearable device and intelligent terminal have ultrasound wave and are connected; This wearable device comprises:
Ultrasound transmitter device, for sending the first ultrasonic signal comprising the mark of described wearable device to intelligent terminal;
Power supply; For providing electric energy for described wearable device;
Intelligent terminal is for receiving described first ultrasonic signal, localization by ultrasonic based on described first ultrasonic signal calculates the distance with described first wearable device, and send alarm command when described distance exceedes the threshold value preset, and send alerting signal according to described alarm command.
Preferably, also comprise time synchronized unit and the second ultrasonic receiver, wherein:
Time synchronized unit, for from intelligent terminal for reception time synchronizing signal, and synchronous with the intelligent terminal retention time based on this time synchronizing signal;
Second ultrasonic receiver; For from the first ultrasonic signal described in intelligent terminal for reception;
Comprise the first ultrasonic signal of wearable device mark described in first ultrasound transmitter device sends, be the second ultrasonic receiver from intelligent terminal for reception to.
Preferably, the second ultrasonic receiver and storage unit is also comprised;
Second ultrasonic receiver, for the second ultrasonic signal that other wearable devices received except the first wearable device send, and from described second ultrasonic signal, parse the mark of described other wearable devices except the first wearable device;
Storage unit, position when receiving the second ultrasonic signal for the time of reception of the second ultrasonic signal described in association store, the mark of described other wearable devices except the first wearable device and described wearable device;
First ultrasound transmitter device, for when receive that intelligent terminal sends comprise the ultrasonic signal of the mark of described other wearable devices except the first wearable device except time, comprise the 3rd ultrasonic signal of the position when time of reception of described second ultrasonic signal, the mark of described other wearable devices except the first wearable device and described first wearable device receive the second ultrasonic signal to intelligent terminal transmission.
Preferably, described wearable device is bracelet, necklace, pin ring, pin chain or necklace.
Preferably, described intelligent terminal is functional mobile phone, smart mobile phone, palm PC, PC, panel computer or personal digital assistant.
As can be seen from technique scheme, in the utility model embodiment, system comprises the first wearable device and intelligent terminal; First wearable device comprises the first ultrasound transmitter device; Intelligent terminal comprises the first ultrasonic receiver, arithmetical unit and alarm unit; Wherein: the first ultrasound transmitter device, for sending the first ultrasonic signal of the mark comprising the first wearable device; First ultrasonic receiver, for receiving described first ultrasonic signal; Arithmetical unit, for calculating the distance with described first wearable device based on the localization by ultrasonic of described first ultrasonic signal, and when described distance exceedes the threshold value preset, sends alarm command to described alarm unit; Alarm unit, for sending alerting signal according to described alarm command.After application the utility model, can, based on the monitoring of ultrasonic ranging principle by the scope of activities of ward, effectively prevent to be wandered away by ward.
And the utility model also proposed the embodiment of two kinds of supersonic soundings, a kind of is supersonic sounding based on time synchronized between intelligent terminal and wearable device; Another kind is the ultrasonic distance-measuring method without the need to time synchronized between intelligent terminal and wearable device.
In addition, the utility model also proposed a kind of assistance locator meams.Walked to miss the season by ward, can obtained by the history reference position of ward by assist mode.
Accompanying drawing explanation
Fig. 1 is according to the positioning system structure figure of the utility model based on localization by ultrasonic;
Fig. 2 is the positioning system structure figure of time synchronizing method according to the utility model;
Fig. 3 is the localization method process flow diagram of time synchronizing method according to the utility model;
Fig. 4 is the positioning system structure figure of not time synchronizing method according to the utility model;
Fig. 5 is the localization method process flow diagram of not time synchronizing method according to the utility model;
Fig. 6 has the positioning system structure figure assisting positioning function according to the utility model.
Embodiment
Expressing clearly clear for making the object of the utility model embodiment, technical scheme and advantage, below in conjunction with drawings and the specific embodiments, the utility model embodiment being further described in more detail.
Succinct and directly perceived in order to what describe, hereafter by the some representational embodiments of description, scheme of the present utility model is set forth.Details a large amount of in embodiment only understands scheme of the present utility model for helping.But these details can be not limited to when clearly, the technical solution of the utility model realizes.In order to avoid unnecessarily fuzzy scheme of the present utility model, some embodiments do not describe meticulously, but only give framework.Hereinafter, " comprising " refers to " including but not limited to ", " according to ... " refer to " at least basis ..., but be not limited to only basis ... ".Due to the speech habits of Chinese, when hereinafter not particularly pointing out the quantity of a composition, mean that this composition can be one also can be multiple, or can be regarded as at least one.
Because ultrasound wave directive property is strong, energy ezpenditure is slow, and that propagates in media as well is distant, and thus ultrasound wave is through being usually used in the measurement of distance, as
stadimetercan be realized by ultrasound wave with fill level measuring device etc.Utilize ultrasound examination often relatively rapidly, convenient, calculate simple, be easy to accomplish real-time control, and the practical requirement of industry can be reached in measuring accuracy.
The utility model proposes one to prevent by the missing technical scheme of ward based on hyperacoustic.Can be that children, old man, patient, prisoner etc. need by the personnel nursed by ward.In the technical solution of the utility model, intelligent terminal can utilize the components and parts carried send and receive ultrasound wave, and Wearable also can occur and receive ultrasound wave.
Wearable specifically may be embodied as bracelet, necklace, pin ring, pin chain or necklace, etc.Ward's hand-held intelligent terminal, is dressed by ward and has Wearable.
Intelligent terminal is by ultrasonic ranging detection and by the distance of ward, when distance exceedes the threshold value preset, intelligent terminal can carry out the multiple type of alarm such as sound, vibration equipment, remind intelligent terminal carrier about by the scope of activities of ward, prevent by the missing object of ward to reach.
Fig. 1 is according to the positioning system structure figure of the utility model based on localization by ultrasonic.
As shown in Figure 1, this system comprises the first wearable device and intelligent terminal.Wherein: the first wearable device comprises the first ultrasound transmitter device; Intelligent terminal comprises the first ultrasonic receiver, arithmetical unit and alarm unit; Wherein:
First ultrasound transmitter device, for sending the first ultrasonic signal of the mark comprising the first wearable device;
First ultrasonic receiver, for receiving described first ultrasonic signal;
Arithmetical unit, for calculating the distance with described first wearable device based on the localization by ultrasonic of the first ultrasonic signal, and when described distance exceedes the threshold value preset, sends alarm command to described alarm unit;
Alarm unit, for sending alerting signal according to described alarm command.
In one embodiment, alarm unit specifically can send warning by modes such as audible alarm, vibration alarming, flashing light alarms.
In one embodiment, the first wearable device also comprises the second ultrasonic receiver and storage unit;
Second ultrasonic receiver, for the second ultrasonic signal that other wearable devices received except the first wearable device send, and from described second ultrasonic signal, parse the mark of described other wearable devices except the first wearable device;
Storage unit, position when receiving the second ultrasonic signal for the time of reception of the second ultrasonic signal described in association store, the mark of described other wearable devices except the first wearable device and the first wearable device;
First ultrasound transmitter device, for when receive that intelligent terminal sends comprise the ultrasonic signal of the mark of other wearable devices except the first wearable device time, the time of reception comprising the second ultrasonic signal is sent to intelligent terminal, 3rd ultrasonic signal of the position when mark of other wearable devices except the first wearable device and the first wearable device receive the second ultrasonic signal, thus by the time of reception of intelligent terminal based on the second ultrasonic signal, the history reference position of other wearable devices except the first wearable device is determined in position when the mark of other wearable devices except the first wearable device and the first wearable device receive the second ultrasonic signal.
Intelligent terminal can include, but are not limited to: functional mobile phone, smart mobile phone, palm PC, PC (PC), panel computer or PDA(Personal Digital Assistant), etc.And, intelligent terminal is applicable to arbitrary intelligent terminal operation system, the operating system that specifically can adopt includes, but are not limited to: Android (Andorid), Palm OS, Symbian(Saipan), Windows mobile, Linux, Android(Android), iPhone(apple) OS, Black Berry(blackberry, blueberry) OS 6.0, Windows Phone series, etc.In the utility model embodiment, intelligent terminal specifically can adopt Andorid operating system, and intelligent terminal can use among each version of Andorid, include, but are not limited to: A Tongmu (Android Beta), clockwork spring robot (Android 1.0), cup cake (Android 1.5), baked donut (Android 1.6), muffin (Android 2.0/2.1), frozen yogurt (Android 2.2), gingerbread (Android 2.3), honeycomb (Android 3.0), ice cream sandwich (Android 4.0), jelly beans (Jelly Bean, Android 4.1) etc. version.
Below enumerate the concrete version of Android platform in detail, it will be appreciated by those of skill in the art that the utility model embodiment is not limited to and above-mentionedly enumerate version, and can also be applicable to other based among any version of Android software framework.
The utility model proposes the concrete enforcement of two kinds of supersonic soundings, a kind of is the supersonic sounding of time synchronized between intelligent terminal and wearable device; A kind of is ultrasonic distance-measuring method without the need to time synchronized between intelligent terminal and wearable device.
Fig. 2 is the positioning system structure figure of time synchronizing method according to the utility model.
As shown in Figure 2, this system comprises the first wearable device and intelligent terminal.First wearable device comprises the first ultrasound transmitter device; Intelligent terminal comprises the first ultrasonic receiver, arithmetical unit and alarm unit;
First ultrasonic receiver, for receiving the first ultrasonic signal;
Arithmetical unit, for calculating the distance with the first wearable device based on the localization by ultrasonic of the first ultrasonic signal, and when distance exceedes the threshold value preset, sends alarm command to alarm unit;
Alarm unit, for sending alerting signal according to alarm command;
First wearable device and intelligent terminal comprise time synchronized unit respectively; The time synchronized unit of intelligent terminal, for the time synchronized unit transmitting time synchronizing signal to the first wearable device; The time synchronized unit of the first wearable device, for synchronous with the intelligent terminal retention time based on this time synchronizing signal;
The first ultrasonic signal that first ultrasound transmitter device sends comprises the transmitting time point T1 of the first ultrasonic signal further;
First ultrasonic receiver, for recording the time of reception point T2 of the first ultrasonic signal, parses transmitting time point T1 from the first ultrasonic signal;
Arithmetical unit, for calculating the distance L with described wearable device, wherein L=(T2-T1) × V; V is the aerial velocity of propagation of ultrasound wave;
Alarm unit, for sending alerting signal according to alarm command.
Particularly, arithmetical unit comprises: arithmetic element, for calculating the distance with the first wearable device based on the localization by ultrasonic of the first ultrasonic signal; Comparer, for comparing distance and the threshold value preset, wherein when distance exceedes the threshold value preset, sends alarm command to alarm unit.
Particularly, can to pass through the electromagnetic transmission modes such as ultrasound wave mode, wifi mode, bluetooth approach synchronous with the first wearable device retention time for intelligent terminal.
In one embodiment, the first wearable device also comprises the second ultrasonic receiver and storage unit (not drawing in Fig. 2).
Second ultrasonic receiver, for the second ultrasonic signal that other wearable devices received except the first wearable device send, and from described second ultrasonic signal, parse the mark of described other wearable devices except the first wearable device;
Storage unit, position when receiving the second ultrasonic signal for the time of reception of the second ultrasonic signal described in association store, the mark of described other wearable devices except the first wearable device and the first wearable device;
First ultrasound transmitter device, for when receive that intelligent terminal sends comprise the ultrasonic signal of the mark of described other wearable devices except the first wearable device time, the time of reception comprising described second ultrasonic signal is sent to intelligent terminal, 3rd ultrasonic signal of the position when mark of other wearable devices except the first wearable device and the first wearable device receive the second ultrasonic signal, thus by the time of reception of described intelligent terminal based on described second ultrasonic signal, the history reference position of other wearable devices except the first wearable device is determined in position when the mark of other wearable devices except the first wearable device and the first wearable device receive the second ultrasonic signal.
Preferably, the first wearable device also comprises power supply, for providing electric energy for the first wearable device.Power supply is preferably embodied as the various forms such as lithium battery, hydrogen battery, nickel-based battery.
When less demanding to distance accuracy, time synchronizing method can be adopted to carry out ultrasound wave location.
Fig. 3 is the localization method process flow diagram of time synchronizing method according to the utility model, and in the method, the first Wearable is embodied as the bracelet with ultrasound wave sending function.The mark of self is provided with in bracelet; The mark of the bracelet needing monitoring is preserved in intelligent terminal.
As shown in Figure 3, the method comprises:
Step 301 ~ step 303: the ultrasound wave of bracelet timed sending band self identification, intelligent terminal for reception ultrasound wave.
Step 304: intelligent terminal judges whether mark entrained in the ultrasound wave received matches with needing the mark of the bracelet of monitoring, and if it is performs step 305 and subsequent step thereof; If not, then return and perform step 303.Preferably, when intelligent terminal judges that whether mark entrained in the ultrasound wave received is with when needing the mark of the bracelet of monitoring not mate, and when maybe can not receive the ultrasonic signal of the mark of the bracelet comprising needs monitoring, sends warning further.
Step 305: intelligent terminal calculates the distance L between bracelet, wherein L=(T2-T1) × V; V is the aerial velocity of propagation of ultrasound wave; T2 is that intelligent terminal for reception arrives hyperacoustic time point; T1 is that bracelet sends hyperacoustic time point; T1 can be carried in the ultrasound wave of bracelet institute timed sending.
Step 306: intelligent terminal judges whether L is less than the first threshold value S1 preset, wherein when L is less than S1, returns and performs step 301 and subsequent step thereof; When L is not less than S1, perform step 307 and subsequent step thereof.
Step 307: intelligent terminal judges whether L is less than the second threshold value S2 preset, and S2 is greater than S1; Wherein when L is less than S2, perform step 309 and exit this flow process; When L is not less than S2, performs step 308 and exit this flow process.
Step 308: intelligent terminal performs serious warning, such as sounds, sparkling prompting and vibrating alert.
Step 309: intelligent terminal performs early warning and alarming, such as sounds and sparkling prompting.
Fig. 4 is the positioning system structure figure of not time synchronizing method according to the utility model.
As shown in Figure 4, this system comprises the first wearable device and intelligent terminal.First wearable device comprises the first ultrasound transmitter device; Intelligent terminal comprises the first ultrasonic receiver, arithmetical unit and alarm unit;
First ultrasound transmitter device, for sending the first ultrasonic signal comprising the first wearable device mark;
First ultrasonic receiver, for receiving the first ultrasonic signal;
Arithmetical unit, for calculating the distance with described first wearable device based on the localization by ultrasonic of the first ultrasonic signal, and when described distance exceedes the threshold value preset, sends alarm command to described alarm unit;
Alarm unit, for sending alerting signal according to described alarm command;
Intelligent terminal also comprises the second ultrasound transmitter device; First wearable device also comprises the second ultrasonic receiver;
The first ultrasonic signal comprising wearable device mark that wherein the first ultrasound transmitter device sends is that the second ultrasonic receiver receives from the second ultrasound transmitter device;
First ultrasonic receiver, for recording the time of reception point T2 of the first ultrasonic signal;
Arithmetical unit, sends the time point T1 of the first ultrasonic signal for preserving default processing time T and the second ultrasound transmitter device, and calculates the distance L with described wearable device, wherein L=((T2-T1-T)/2) × V; V is the aerial velocity of propagation of ultrasound wave.
Particularly, arithmetical unit comprises: arithmetic element, for calculating the distance with described first wearable device based on the localization by ultrasonic of described first ultrasonic signal; Comparer, for more described distance and the threshold value preset, wherein when described distance exceedes the threshold value preset, sends alarm command to described alarm unit.
In the locator meams of not time synchronizing method, the application software of intelligent terminal first opening installation, selecting the ID of the first wearable device needing range finding, when there being multiple ID, also can carry out poll range finding.First wearable device opens ultrasound functions.Intelligent terminal timed sending ultrasonic signal, this signal is with the ID needing range finding, and the first wearable device is resolved after receiving ultrasonic signal, if with the ID of self in ultrasonic signal, is then sent by this ultrasonic signal again; If there is no oneself ID in the ultrasonic signal received, then do not do and react.Intelligent terminal receives the ultrasonic signal that the first wearable device sends, and computational intelligence terminal, to the distance of the first wearable device, when distance exceedes certain limit, then sends the alerting signal that this distance is corresponding, as different voice signals and vibration signal, etc.
Particularly, first intelligent terminal sends ultrasonic signal and records moment T1, needs the processing time T performed when intelligent terminal record first wearable device receives this ultrasonic signal.The ultrasonic signal received is sent to intelligent terminal by the first wearable device, records moment T2 during this positioning signal that intelligent terminal for reception returns to wearable device.
In one embodiment, the first wearable device also comprises storage unit;
Second ultrasonic receiver, also for the second ultrasonic signal that other wearable devices received except the first wearable device send, and parses the mark of described other wearable devices except the first wearable device from the second ultrasonic signal;
Storage unit, position when receiving the second ultrasonic signal for the time of reception of the second ultrasonic signal described in association store, the mark of described other wearable devices except the first wearable device and the first wearable device;
First ultrasound transmitter device, for when receive that intelligent terminal sends comprise the ultrasonic signal of the mark of described other wearable devices except the first wearable device time, the time of reception comprising described second ultrasonic signal is sent to intelligent terminal, 3rd ultrasonic signal of the position when mark of described other wearable devices except the first wearable device and the first wearable device receive the second ultrasonic signal, thus by the time of reception of described intelligent terminal based on described second ultrasonic signal, the history reference position of described other wearable devices except the first wearable device is determined in position when the mark of described other wearable devices except the first wearable device and the first wearable device receive the second ultrasonic signal.
Fig. 5 is the localization method process flow diagram of not time synchronizing method according to the utility model.In the method, the first Wearable is embodied as the bracelet with ultrasound wave sending function.The mark of self is provided with in bracelet; The mark of the bracelet needing monitoring is preserved in intelligent terminal.
As shown in Figure 5, the method comprises:
Step 501 ~ step 503: the ultrasound wave of intelligent terminal timed sending band self identification, bracelet receives ultrasound wave.
Step 504: bracelet judges whether mark entrained in the ultrasound wave received matches with self identification, if it is performs step 505 and subsequent step thereof; If not, then return and perform step 503.
Step 505 ~ 506: the ultrasound wave received sends by bracelet further, intelligent terminal for reception ultrasound wave.
Step 507: intelligent terminal judges whether mark entrained in the ultrasound wave received matches with needing the mark of the bracelet of monitoring, and if it is performs step 508 and subsequent step thereof; If not, then return and perform step 501.
Step 508: intelligent terminal calculates the distance L between bracelet, wherein L=((T2-T1-T)/2) × V; V is the aerial velocity of propagation of ultrasound wave; T is for presetting the processing time; T2 is the time point that intelligent terminal for reception arrives ultrasonic signal; T1 is the time point that intelligent terminal sends ultrasonic signal.
Step 509: intelligent terminal judges whether L is less than the first threshold value S1 preset, wherein when L is less than S1, returns and performs step 501 and subsequent step thereof; When L is not less than S1, perform step 510 and subsequent step thereof.
Step 510: intelligent terminal judges whether L is less than the second threshold value S2 preset, and S2 is greater than S1; Wherein when L is less than S2, perform step 512 and exit this flow process; When L is not less than S2, performs step 511 and exit this flow process.
Step 511: intelligent terminal performs serious warning, such as sounds, sparkling prompting and vibrating alert.
Step 512: intelligent terminal performs early warning and alarming, such as sounds and sparkling prompting.
When the first wearable device is away from intelligent terminal, ultrasound wave between the first wearable device and intelligent terminal, will do not had mutual.Now, under normal circumstances, the monitoring that will lose the first wearable device of intelligent terminal.For solving this technical matters further, the utility model also proposed a kind of positioning system with assistance positioning function.
Fig. 6 has the positioning system structure figure assisting positioning function according to the utility model.
As seen from Figure 6, this system comprises the first wearable device, the second wearable device and intelligent terminal.Wherein: the distance between the first wearable device and intelligent terminal is not within ultrasound wave interactive region; Distance between first wearable device and the second wearable device is within ultrasound wave interactive region; Distance between second wearable device and intelligent terminal is within ultrasound wave interactive region.Monitoring first wearable device expected by intelligent terminal.
Because the distance between the first wearable device and intelligent terminal is not within ultrasound wave interactive region, therefore intelligent terminal can not receive the ultrasonic signal that the first wearable device sends, and intelligent terminal assert that the first wearable device is lost.Now, intelligent terminal sends the ultrasonic signal comprising the first wearable device mark, for inquiring about the first wearable device.
Because the distance between the first wearable device and the second wearable device is within ultrasound wave interactive region, the second wearable device can receive the ultrasonic signal that the first wearable device sends.Second wearable device parses the mark of the first wearable device from the ultrasonic signal that the first wearable device sends, and association store receive first wearable device send the time of ultrasonic signal, the mark of the first wearable device and receive first wearable device send ultrasonic signal time the second wearable device positional information.
After what the second wearable device received that intelligent terminal sends comprise the ultrasonic signal of the first wearable device mark, the time receiving the ultrasonic signal that the first wearable device sends is retrieved from this locality, the mark of the first wearable device and the positional information of the second wearable device when receiving ultrasonic signal that the first wearable device sends, and these three information retrieved (are received the time of the ultrasonic signal that the first wearable device sends, the mark of the first wearable device and the position of the second wearable device when receiving ultrasonic signal that the first wearable device sends) be sent to intelligent terminal.Therefore, these three information indirects that intelligent terminal can provide based on the second wearable device understand the approximate location of the first wearable device.
In figure 6, between the first wearable device and intelligent terminal, utilize the second wearable device to perform and assist location.In fact, between the first wearable device and intelligent terminal, can also have multiple wearable device of assisting location, the utility model is to this and indefinite.
The above, be only the preferred embodiment of the utility model embodiment, is not intended to limit the protection domain of the utility model embodiment.Within all spirit at the utility model embodiment and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the utility model embodiment.
Claims (10)
1. based on a positioning system for localization by ultrasonic, it is characterized in that, comprise the first wearable device and intelligent terminal; Described first wearable device comprises the first ultrasound transmitter device; Described intelligent terminal comprises the first ultrasonic receiver, arithmetical unit and alarm unit; Wherein:
First ultrasound transmitter device, for sending the first ultrasonic signal of the mark comprising the first wearable device;
First ultrasonic receiver, for receiving described first ultrasonic signal;
Arithmetical unit, for calculating the distance with described first wearable device based on the localization by ultrasonic of described first ultrasonic signal, and when described distance exceedes the threshold value preset, sends alarm command to described alarm unit;
Alarm unit, for sending alerting signal according to described alarm command.
2. the positioning system based on localization by ultrasonic according to claim 1, is characterized in that, the first wearable device and intelligent terminal also comprise time synchronized unit respectively;
The time synchronized unit of intelligent terminal, for the time synchronized unit transmitting time synchronizing signal to the first wearable device;
The time synchronized unit of the first wearable device, for synchronous with the intelligent terminal retention time based on this time synchronizing signal;
The first ultrasonic signal that first ultrasound transmitter device sends comprises the transmitting time point T1 of the first ultrasonic signal further;
First ultrasonic receiver, for recording the time of reception point T2 of the first ultrasonic signal, parses described transmitting time point T1 from described first ultrasonic signal;
Arithmetical unit, for calculating the distance L with described wearable device, wherein L=(T2-T1) × V; V is the aerial velocity of propagation of ultrasound wave.
3. the positioning system based on localization by ultrasonic according to claim 1, is characterized in that, intelligent terminal also comprises the second ultrasound transmitter device; First wearable device also comprises the second ultrasonic receiver; Comprising the first ultrasonic signal of the mark of the first wearable device described in first ultrasound transmitter device sends, is that the second ultrasonic receiver receives from the second ultrasound transmitter device;
First ultrasonic receiver, for recording the time of reception point T2 of the first ultrasonic signal;
Arithmetical unit, sends the time point T1 of described first ultrasonic signal for preserving default processing time T and the second ultrasound transmitter device, and calculates the distance L with described wearable device, wherein L=((T2-T1-T)/2) × V; V is the aerial velocity of propagation of ultrasound wave.
4. the positioning system based on localization by ultrasonic according to claim 1, is characterized in that, described first wearable device also comprises the second ultrasonic receiver and storage unit;
Second ultrasonic receiver, for the second ultrasonic signal that other wearable devices received except the first wearable device send, and from described second ultrasonic signal, parse the mark of described other wearable devices except the first wearable device;
Storage unit, position when receiving the second ultrasonic signal for the time of reception of the second ultrasonic signal described in association store, the mark of described other wearable devices except the first wearable device and described first wearable device;
First ultrasound transmitter device, for when receive that intelligent terminal sends comprise the ultrasonic signal of the mark of described other wearable devices except the first wearable device except time, comprise the 3rd ultrasonic signal of the position when time of reception of described second ultrasonic signal, the mark of described other wearable devices except the first wearable device and described first wearable device receive the second ultrasonic signal to intelligent terminal transmission.
5. the positioning system based on localization by ultrasonic according to claim 1, is characterized in that, described arithmetical unit comprises:
Arithmetic element, for calculating the distance with described first wearable device based on the localization by ultrasonic of described first ultrasonic signal;
Comparer, for more described distance and the threshold value preset, wherein when described distance exceedes the threshold value preset, sends alarm command to described alarm unit.
6. based on a wearable device for localization by ultrasonic, it is characterized in that, described wearable device and intelligent terminal have ultrasound wave and are connected; This wearable device comprises:
Ultrasound transmitter device, for sending the first ultrasonic signal comprising the mark of described wearable device to intelligent terminal;
Power supply; For providing electric energy for described wearable device;
Intelligent terminal is for receiving described first ultrasonic signal, localization by ultrasonic based on described first ultrasonic signal calculates the distance with described first wearable device, and send alarm command when described distance exceedes the threshold value preset, and send alerting signal according to described alarm command.
7. the wearable device based on localization by ultrasonic according to claim 6, is characterized in that, also comprises time synchronized unit and the second ultrasonic receiver, wherein:
Time synchronized unit, for from intelligent terminal for reception time synchronizing signal, and synchronous with the intelligent terminal retention time based on this time synchronizing signal;
Second ultrasonic receiver; For from the first ultrasonic signal described in intelligent terminal for reception;
Comprise the first ultrasonic signal of wearable device mark described in first ultrasound transmitter device sends, be the second ultrasonic receiver from intelligent terminal for reception to.
8. the wearable device based on localization by ultrasonic according to claim 6, is characterized in that, also comprises the second ultrasonic receiver and storage unit;
Second ultrasonic receiver, for the second ultrasonic signal that other wearable devices received except the first wearable device send, and from described second ultrasonic signal, parse the mark of described other wearable devices except the first wearable device;
Storage unit, position when receiving the second ultrasonic signal for the time of reception of the second ultrasonic signal described in association store, the mark of described other wearable devices except the first wearable device and described wearable device;
First ultrasound transmitter device, for when receive that intelligent terminal sends comprise the ultrasonic signal of the mark of described other wearable devices except the first wearable device except time, comprise the 3rd ultrasonic signal of the position when time of reception of described second ultrasonic signal, the mark of described other wearable devices except the first wearable device and described first wearable device receive the second ultrasonic signal to intelligent terminal transmission.
9. the wearable device based on localization by ultrasonic according to any one of claim 6-8, is characterized in that,
Described wearable device is bracelet, necklace, pin ring, pin chain or necklace.
10. the wearable device based on localization by ultrasonic according to any one of claim 6-8, is characterized in that,
Described intelligent terminal is functional mobile phone, smart mobile phone, palm PC, PC, panel computer or personal digital assistant.
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| CN201520422447.8U CN204719229U (en) | 2015-06-18 | 2015-06-18 | A kind of positioning system based on localization by ultrasonic and wearable device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104932692A (en) * | 2015-06-24 | 2015-09-23 | 京东方科技集团股份有限公司 | Three-dimensional sensing method, three-dimensional display equipment and wearable equipment |
| CN105450245A (en) * | 2015-12-28 | 2016-03-30 | 联想(北京)有限公司 | Positioning method and positioning device |
| WO2016201952A1 (en) * | 2015-06-18 | 2016-12-22 | 苏州触达信息技术有限公司 | Ranging system, positioning system and method, and wearable device |
| CN112346016A (en) * | 2020-10-28 | 2021-02-09 | 苏州触达信息技术有限公司 | Underwater personnel positioning method and wearable equipment |
| CN112805592A (en) * | 2018-10-11 | 2021-05-14 | 株式会社半导体能源研究所 | Driver warning system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016201952A1 (en) * | 2015-06-18 | 2016-12-22 | 苏州触达信息技术有限公司 | Ranging system, positioning system and method, and wearable device |
| CN104932692A (en) * | 2015-06-24 | 2015-09-23 | 京东方科技集团股份有限公司 | Three-dimensional sensing method, three-dimensional display equipment and wearable equipment |
| CN104932692B (en) * | 2015-06-24 | 2017-12-08 | 京东方科技集团股份有限公司 | Three-dimensional tactile method for sensing, three-dimensional display apparatus, wearable device |
| CN105450245A (en) * | 2015-12-28 | 2016-03-30 | 联想(北京)有限公司 | Positioning method and positioning device |
| CN112805592A (en) * | 2018-10-11 | 2021-05-14 | 株式会社半导体能源研究所 | Driver warning system |
| CN112346016A (en) * | 2020-10-28 | 2021-02-09 | 苏州触达信息技术有限公司 | Underwater personnel positioning method and wearable equipment |
| CN112346016B (en) * | 2020-10-28 | 2023-11-28 | 苏州触达信息技术有限公司 | Positioning method for personnel in water and wearable equipment |
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