CN104833353A - Indoor positioning method and system based on ASCII code - Google Patents
Indoor positioning method and system based on ASCII code Download PDFInfo
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- CN104833353A CN104833353A CN201510170192.5A CN201510170192A CN104833353A CN 104833353 A CN104833353 A CN 104833353A CN 201510170192 A CN201510170192 A CN 201510170192A CN 104833353 A CN104833353 A CN 104833353A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
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Abstract
An indoor positioning method and system based on ASCII code comprises the steps of: S1, an optical signal is projected to a light emitting device when an optical module is placed in an irradiation area of the light emitting device; S2, according to the specific content of the position ASCLL code and the associated mechanisms, the light emitting device acquires position ASCLL code stored in a memory chip and correspondingly controls the on or off state of a power switch to cause the light and dark flashing of the light; S3, the optical module records the light and dark flashing of the light emitting device, generates corresponding position ASCLL code based on the associated mechanisms, and interprets the position ASCLL code into corresponding position information; S4, a navigation device acquires the position information and finds the corresponding position on a on-site map expanded on a touch screen; and S5, the navigation device generates path planning information and conducts path guidance according to the scene area information or target position information received on the touch screen and input by a user.
Description
Technical field
The present invention relates to mobile positioning technique field, particularly relate to a kind of indoor orientation method based on ASCII character and system.
Background technology
At present, a lot of large supermarket, market, because area is large and transiting inside road is staggered complicated, look for the very inconvenience such as the position of specific objective or outlet to user.
Such as, when user removes supermarket shopping together with friend, due to respective shopping need, to separate and in different region picking commodities, but due to scene more complicated, user is difficult to the particular location determining oneself, the difficulty of junction will become very large.In addition, user is difficult to find the regional location needing to buy article place when doing shopping.
For location technology, position and navigation although increasing electronic installation is configured with GPS (GPS, Global Position System).But position in indoor with when navigating, the GPS relying on satellite-signal accurately cannot can position in indoor because of effect of signals.In addition, based on global system for mobile communications (GSM, Global System for Mobile Communications) or G mobile communication (3G, the positioning precision of the network positions of 3rd-generation) carrying out is accurate not, especially when uncertain to floor position, then more inconvenient user carries out indoor positioning.
Therefore, the present inventor feels the necessity that the problems referred to above have it and improve very much, then the design of association area and professional manufacturing experience is engaged in for many years with it, carry out research improvement for a kind of indoor orientation method based on ASCII character and system energetically, under the discretion of each side's condition is considered, finally develop the present invention.
Summary of the invention
For above-mentioned situation, in order to overcome the shortcoming of prior art, embodiments provide a kind of indoor orientation method based on ASCII character and system, when user is in the specific region such as large supermarket, market, current residing position can be determined accurately and fast searching to oneself destination.
The embodiment of the present invention adopts following technical scheme:
Based on an indoor orientation method for ASCII character, be applied in the specific region such as large supermarket, market, described method comprises:
S1, when optical module is placed in lighting device irradiates region, a light signal will be projected to described light-emitting device;
S2, described light-emitting device are after receiving described light signal, position ASCLL code stored in storage chip will be obtained, and sparkle to cause the bright back light of light according to the particular content of described position ASCLL code and the keying of relation mechanism correspondence control power switch, wherein, described position ASCLL code is by positional information being carried out changing thus the binary ASCLL code generated;
The bright back light recording described light-emitting device light sparkles and generates corresponding described position ASCLL code according to described relation mechanism by S3, described optical module, and described position ASCLL code is interpreted as corresponding positional information;
S4, navigator will obtain described positional information and find out relevant position by the on-the-spot map launched on the touchscreen;
S5, described navigator are according to the scene areas information or the target position information generation pass planning information carry out path navigation that receive user's input on the touchscreen.
As preferably, the light that described light-emitting device sends is not visible light, and described optical module has the receiving function of not visible light.
As preferably, described relation mechanism comprises:
In binary ASCLL code, when numeral is 0, then it is closed with power switch and be associated.Namely 0 corresponding lamp is dark; When numeral is 1, then it opened with power switch and be associated, namely 1 corresponding lamp is bright.
As preferably, before execution step S1, the content needed comprises:
Scene is divided into a plurality of scene areas, and wherein, each scene areas is by single for correspondence position, or the corresponding a plurality of position of each scene areas, in addition, will arrange single light-emitting device in region residing for each position.
A kind of indoor locating system based on ASCII character, be applied in the specific region such as large supermarket, market, it is characterized in that, described system comprises: optical module, light-emitting device, storage chip, navigator, wherein, described optical module comprises light signal projection module, during for being placed in lighting device irradiates region at optical module, will project a light signal to described light-emitting device;
Described light-emitting device comprises the first acquisition module, for described light-emitting device after receiving described light signal, will obtain position ASCLL code stored in storage chip; Energy supply control module, for sparkling to cause the bright back light of light according to the particular content of described position ASCLL code and the keying of relation mechanism correspondence control power switch;
Described storage chip comprises info conversion module, for positional information being carried out changing thus the binary ASCLL code generated;
Described optical module also comprises logging modle, sparkles for the bright back light recording described light-emitting device light; Generation module, for generating corresponding described position ASCLL code according to described relation mechanism; And interpretation module, for described position ASCLL code being interpreted as corresponding positional information;
Described navigator comprises the second acquisition module, for obtaining described positional information; Touch-screen, for receiving scene areas information or the target position information of user's input; And navigation module, for according to receive the scene areas information of user's input or target position information generation pass planning information on the touchscreen and carry out path navigation.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: adopt technical scheme of the present invention, when user is in large supermarket, time in the specific regions such as market, if user wants the region residing for certain commodity, then can by the scene areas information that inputs on the touch-screen of navigator corresponding to these commodity or target position information, so, navigator will carry out path navigation according to the scene areas information of user's present position and input this moment got or target position information generation pass planning information, user is facilitated to find the required regional location buying commodity place fast, in addition, by display position information on the touch-screen of navigator, user can inform this positional information of other user, thus facilitates user this positional information to be inputted on the touchscreen to navigate as target location, namely can facilitate the quick junction between user, save time.
Accompanying drawing explanation
Can become apparent to allow the above-mentioned and other object of the present invention, feature, advantage, hereafter the accompanying drawing used required in describing embodiment is done one simply to introduce, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, not paying under the laborious prerequisite of creation, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of indoor orientation method schematic flow sheet based on ASCII character that Fig. 1 provides for the embodiment of the present invention one;
A kind of indoor orientation method application scenarios schematic diagram based on ASCII character that Fig. 2 provides for the embodiment of the present invention one;
A kind of indoor locating system structural representation based on ASCII character that Fig. 3 provides for the embodiment of the present invention two.
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 a part of embodiment of the present invention, 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 protection scope of the present invention.
Embodiment one
Please refer to Fig. 1 and Fig. 2, a kind of indoor orientation method schematic flow sheet based on ASCII character that Fig. 1 provides for the embodiment of the present invention one, a kind of indoor orientation method application scenarios schematic diagram based on ASCII character that Fig. 2 provides for the embodiment of the present invention one.It is that background carries out describing that the present embodiment is applied in large supermarket in this way.Concrete, the present embodiment provides a kind of indoor orientation method based on ASCII character, said method comprising the steps of:
S1, when optical module is placed in lighting device irradiates region, a light signal will be projected to described light-emitting device;
S2, described light-emitting device are after receiving described light signal, position ASCLL code stored in storage chip will be obtained, and sparkle to cause the bright back light of light according to the particular content of described position ASCLL code and the keying of relation mechanism correspondence control power switch, wherein, described position ASCLL code is by positional information being carried out changing thus the binary ASCLL code generated;
The bright back light recording described light-emitting device light sparkles and generates corresponding described position ASCLL code according to described relation mechanism by S3, described optical module, and described position ASCLL code is interpreted as corresponding positional information;
S4, navigator will obtain described positional information and find out relevant position by the on-the-spot map launched on the touchscreen;
S5, described navigator are according to the scene areas information or the target position information generation pass planning information carry out path navigation that receive user's input on the touchscreen.
Concrete, before execution step S1, the content needed comprises:
Scene is divided into a plurality of scene areas, and wherein, each scene areas is by single for correspondence position, or the corresponding a plurality of position of each scene areas, in addition, will arrange single light-emitting device in region residing for each position.
In the present embodiment, scene areas comprises the regions such as prepared food, commodity, condiment, beverage, dairy products, grain, cake, tobacco and wine, frozen product, veterinary antibiotics, clothes, shoes.
In actual applications, the number needs of position will set according to the size of scene areas, if area is less, then can arrange a small amount of position, if contrary area is comparatively large, then and can the more position of magnitude setting.The object of such setting is in order to when navigating to a certain position, and user full out can find destination.In the present embodiment, set the corresponding single position of each scene areas, during practical operation, corresponding change can be made as the case may be.Such as, above-mentioned prepared food is respectively A, B, C to the position that the regions such as shoes are corresponding ... M.
Wherein, described light-emitting device can be installed on the ceiling, need just to ground, and the light that described light-emitting device sends is not visible light, the corresponding position of each described light-emitting device.Described optical module has the receiving function of not visible light, and specifically can be arranged on shopping cart.
In the present embodiment, described light-emitting device can go out not visible light by real time emission, when shopping cart to be pushed under the irradiation area of described light-emitting device by user, described optical module will receive the light that described light-emitting device sends, after reception, described optical module will project a light signal to described light-emitting device, and the effect of wherein said light signal is as a kind of signal transmission, namely inform described light-emitting device this moment user be positioned on the position corresponding to described light-emitting device.
Described light-emitting device is after receiving described light signal, position ASCLL code stored in storage chip will be obtained, and sparkle to cause the bright back light of light according to the particular content of described position ASCLL code and the keying of relation mechanism correspondence control power switch, wherein, described storage chip can be arranged in described light-emitting device, and is connected with described light-emitting device.
Wherein, described position ASCLL code is by positional information being carried out changing thus the binary ASCLL code generated.Such as, the current residing position of user is A, then described light-emitting device is by the ASCLL code corresponding to acquisition position A, and the ASCLL code corresponding to the A of position, for be stored in described storage chip in advance, is the binary ASCLL code " 00111001110 " corresponding to alphabetical A.
Described relation mechanism comprises:
In binary ASCLL code, when numeral is 0, then it is closed with power switch and be associated.Namely 0 corresponding lamp is dark; When numeral is 1, then it opened with power switch and be associated, namely 1 corresponding lamp is bright.
Therefore, described light-emitting device corresponding to position A is when the keying controlling power switch is to cause the bright back light of light to sparkle, and the order of control is: pass, open and close, pass, pass, pass, close, open; So, the bright back light sent causing described light-emitting device sparkles, and the concrete condition of flicker is: dark, bright, dark, dark, dark, dark, dark, bright.
In the present embodiment, the ASCLL code of foundation corresponding to the A to M of position, the described light-emitting device corresponding to the A to M of position control order that power switch opens and closes and the order that causes the bright back light of light bright as shown in the table respectively:
It should be noted that, in the present embodiment, the single duration that described light-emitting device controls power switch keying is fixed value, such as, can be 0.2S.That is, the total duration of the described light-emitting device that position A is corresponding when controlling its power switch and opening and closing is 2.2S.Wherein, this single duration can freely be arranged, and the present embodiment is not construed as limiting this.
Wherein, while described light-emitting device controls the keying of its power switch, the bright back light recording described light-emitting device light sparkles and generates corresponding described position ASCLL code according to described relation mechanism by the described optical module being positioned at below, and described position ASCLL code is interpreted as corresponding positional information.Concrete, when the light that described light-emitting device sends is dimmed, described optical module will be recorded as secretly, the single record of wherein said optical module be identical with the single duration that power switch opens and closes often, that is, when after described optical module first record, second time after the 0.2S of interval, will be recorded again, altogether by record 8 times.
Such as, the result of described optical module record is: dark, bright, dark, dark, dark, dark, dark, bright; Then described optical module generates corresponding described position ASCLL code according to described relation mechanism be " 01000001 ", and described position ASCLL code is interpreted as the positional information of correspondence, i.e. the result of decipher is " A ", i.e. position A.
Then, described navigator will obtain described positional information and find out relevant position by the on-the-spot map launched on the touchscreen.Wherein, described navigator can be mounted in the navigation software in mobile terminal, and also can be a navigator with touch-screen, the present embodiment be preferably the latter.Concrete, described navigator can be arranged on shopping cart and to be connected with described optical module, described optical module is sent to described navigator after acquisition positional information, to go forward side by side row labels in the position found out corresponding to this positional information in the on-the-spot map launched by described navigator.
Finally, described navigator is by according to receive the scene areas information of user's input or target position information generation pass planning information on the touchscreen and carry out path navigation.Such as, user wants articles for use region in past days this moment, then can input commodity region or target location on the touch-screen of described navigator, described target location is the position corresponding to scene areas, such as, position B corresponding to commodity region.Described navigator is by generation pass planning information and carry out path navigation.So, user, when supermarket shopping, just can find fast and need to buy position corresponding to article region.In addition, shopping cart user can also be facilitated to carry out missing, and such as, user A can inform the positional information of the user B touch screen display of the navigator of shopping cart this moment, like this, this positional information just can input on the touchscreen to navigate as target location by user B.
If the function described in the present embodiment method using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computing equipment read/write memory medium.Based on such understanding, the part of the part that the embodiment of the present invention contributes to prior art or this technical scheme can embody with the form of software product, this software product is stored in a storage medium, comprising some instructions in order to make a computing equipment (can be personal computer, server, mobile computing device or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: U dish, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
Embodiment two
Please refer to Fig. 3, a kind of indoor locating system structural representation based on ASCII character that Fig. 3 provides for the embodiment of the present invention two.Concrete, present embodiments provide a kind of indoor locating system 20 based on ASCII character, be applied in the specific region such as large supermarket, market, described system 20 comprises: optical module 201, light-emitting device 202, storage chip 203, navigator 204, wherein, described optical module 201 comprises light signal projection module 205, for when optical module 201 is placed in light-emitting device 202 irradiation area, will project a light signal to described light-emitting device 202;
Described light-emitting device 202 comprises the first acquisition module 206, for described light-emitting device 202 after receiving described light signal, will obtain position ASCLL code stored in storage chip 203; Energy supply control module 207, for sparkling to cause the bright back light of light according to the particular content of described position ASCLL code and the keying of relation mechanism correspondence control power switch;
Described storage chip 203 comprises info conversion module 208, for positional information being carried out changing thus the binary ASCLL code generated;
Described optical module 201 also comprises logging modle 209, sparkles for the bright back light recording described light-emitting device 202 light; Generation module 210, for generating corresponding described position ASCLL code according to described relation mechanism; And interpretation module 211, for described position ASCLL code being interpreted as corresponding positional information;
Described navigator 204 comprises the second acquisition module 212, for obtaining described positional information; Touch-screen 213, for receiving scene areas information or the target position information of user's input; And navigation module 214, for according to the scene areas information or the target position information generation pass planning information carry out path navigation that receive user's input on touch-screen 213.
As the enforceable mode of one, in the present embodiment, the light that described light-emitting device 202 sends is not visible light, and described optical module 201 has the receiving function of not visible light.
As the enforceable mode of one, in the present embodiment, described relation mechanism comprises:
In binary ASCLL code, when numeral is 0, then it is closed with power switch and be associated.Namely 0 corresponding lamp is dark; When numeral is 1, then it opened with power switch and be associated, namely 1 corresponding lamp is bright.
Should be understood that in embodiment two, the specific implementation process of above-mentioned modules can be corresponding with the description of said method embodiment (embodiment one), is not described in detail herein.
The system that above-described embodiment two provides, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by appeal function and be completed by different functional modules, different functional modules is divided into, to complete all or part of function described above by the inner structure in described system.In addition, the System and method for embodiment that above-described embodiment provides belongs to same design, and its specific implementation process refers to embodiment of the method, will not repeat at this.The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The present invention can realize following advantage:
By the present invention, when user is in the specific region such as large supermarket, market, if user wants the region residing for certain commodity, then can by the scene areas information that inputs on the touch-screen of navigator corresponding to these commodity or target position information, so, navigator, by carrying out path navigation according to the scene areas information of user's present position and input this moment got or target position information generation pass planning information, facilitates user to find the required regional location buying commodity place fast; In addition, by display position information on the touch-screen of navigator, user can inform this positional information of other user, thus facilitates user this positional information to be inputted on the touchscreen to navigate as target location, namely can facilitate the quick junction between user, save time.
Claims (7)
1. based on an indoor orientation method for ASCII character, be applied in the specific region such as large supermarket, market, it is characterized in that, described method comprises:
S1, when optical module is placed in lighting device irradiates region, a light signal will be projected to described light-emitting device;
S2, described light-emitting device are after receiving described light signal, position ASCLL code stored in storage chip will be obtained, and sparkle to cause the bright back light of light according to the particular content of described position ASCLL code and the keying of relation mechanism correspondence control power switch, wherein, described position ASCLL code is by positional information being carried out changing thus the binary ASCLL code generated;
The bright back light recording described light-emitting device light sparkles and generates corresponding described position ASCLL code according to described relation mechanism by S3, described optical module, and described position ASCLL code is interpreted as corresponding positional information;
S4, navigator will obtain described positional information and find out relevant position by the on-the-spot map launched on the touchscreen;
S5, described navigator are according to the scene areas information or the target position information generation pass planning information carry out path navigation that receive user's input on the touchscreen.
2. a kind of indoor orientation method based on ASCII character as claimed in claim 1, it is characterized in that, the light that described light-emitting device sends is not visible light, and described optical module has the receiving function of not visible light.
3. a kind of indoor orientation method based on ASCII character as claimed in claim 1, it is characterized in that, described relation mechanism comprises:
In binary ASCLL code, when numeral is 0, then it closed with power switch and be associated, namely 0 corresponding lamp is dark; When numeral is 1, then it opened with power switch and be associated, namely 1 corresponding lamp is bright.
4. a kind of indoor orientation method based on ASCII character as claimed in claim 1, is characterized in that, before execution step S1, the content needed comprises:
Scene is divided into a plurality of scene areas, and wherein, each scene areas is by single for correspondence position, or the corresponding a plurality of position of each scene areas, in addition, will arrange single light-emitting device in region residing for each position.
5. the indoor locating system based on ASCII character, be applied in the specific region such as large supermarket, market, it is characterized in that, described system comprises: optical module, light-emitting device, storage chip, navigator, wherein, described optical module comprises light signal projection module, during for being placed in lighting device irradiates region at optical module, will project a light signal to described light-emitting device;
Described light-emitting device comprises the first acquisition module, for described light-emitting device after receiving described light signal, will obtain position ASCLL code stored in storage chip; Energy supply control module, for sparkling to cause the bright back light of light according to the particular content of described position ASCLL code and the keying of relation mechanism correspondence control power switch;
Described storage chip comprises info conversion module, for positional information being carried out changing thus the binary ASCLL code generated;
Described optical module also comprises logging modle, sparkles for the bright back light recording described light-emitting device light; Generation module, for generating corresponding described position ASCLL code according to described relation mechanism; And interpretation module, for described position ASCLL code being interpreted as corresponding positional information; Described navigator comprises the second acquisition module, for obtaining described positional information; Touch-screen, for receiving scene areas information or the target position information of user's input; And navigation module, for according to receive the scene areas information of user's input or target position information generation pass planning information on the touchscreen and carry out path navigation.
6. a kind of indoor locating system based on ASCII character as claimed in claim 5, it is characterized in that, the light that described light-emitting device sends is not visible light, and described optical module has the receiving function of not visible light.
7. a kind of indoor locating system based on ASCII character as claimed in claim 5, it is characterized in that, described relation mechanism comprises: in binary ASCLL code, when numeral is 0, then it closed with power switch and be associated,
Namely 0 corresponding lamp is dark; When numeral is 1, then it opened with power switch and be associated, namely 1 corresponding lamp is bright.
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Application publication date: 20150812 |