CN202661075U - Visible light communication-based map navigation system - Google Patents
Visible light communication-based map navigation system Download PDFInfo
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- CN202661075U CN202661075U CN 201220134576 CN201220134576U CN202661075U CN 202661075 U CN202661075 U CN 202661075U CN 201220134576 CN201220134576 CN 201220134576 CN 201220134576 U CN201220134576 U CN 201220134576U CN 202661075 U CN202661075 U CN 202661075U
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- 238000004891 communication Methods 0.000 title claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000012795 verification Methods 0.000 claims description 10
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
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- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The utility model discloses a visible light communication-based map navigation system. The system comprises a sending device and a receiving device; the sending device comprises an acquisition unit, a microprocessor, and a sending unit; the acquisition unit is arranged outside a shell and is used for acquiring and sending map information around the position where a user is in real time; the microprocessor is arranged in the shell and is used for encoding the map information received by the acquisition unit; the sending unit is arranged in the shell and is used for sending the map information encoded by the microprocessor out through visible light signals; the receiving device comprises a shell, a receiving unit, a processing unit and a display unit; the receiving unit is arranged in the shell, and is used for performing photovoltaic conversion on the received visible light signals and sending voltage signals which are obtained through conversion and used as digital signals; the processing unit is arranged in the shell and is used for decoding the digital signals output by the receiving unit to obtain the map information of the position; and the display unit is embedded into the outer surface of the shell and is used for displaying the map information. Therefore, the user can find a target position in public places conveniently.
Description
Technical field
The utility model relates to the optical communication technique field, and is concrete, relates to a kind of map navigation system based on visible light communication.
Background technology
In public places such as each Grand Place, supermarket, museum and hospitals, because area is wider, common people are lost easily after entering, can not find outlet, so in these places, just have a digital map navigation information every a segment distance, the above shows the layout of whole floor, and the client position.If want somewhere, can find the target location according to the indication information that marks on the map, but the inside, a lot of large place thing is many, even there is cartographic information also lost easily, so in these the insides, place, be necessary to be equipped with and check at any time own position, can check the equipment of the layout of wanting place, thing place.
Wireless light communication (claiming again the visible light communication) glimmers to communicate by the high-frequency of led light source, has light to represent 1, unglazed representative 0, and its transfer rate is up to gigabit on the per second.Wireless light communication carries out data transmission by visible light, compares with microwave technology, and quite abundant frequency spectrum resource is arranged, and is that general microwave communication and radio communication are incomparable; Visible light communication can be suitable for any communication protocol, be applicable to any environment simultaneously; Aspect security, needn't worry that Content of Communication stolen by the people; The equipment of wireless light communication is convenient flexibly, and cost is very low, is fit to extensive popularization and application.Therefore, can adopt the wireless light communication technology to come the dynamic transmission cartographic information.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of map navigation system based on visible light communication is provided, and can adopt the cartographic information of visible light real-time Transmission public place, makes things convenient for the user to search in public places the target location.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of map navigation system based on visible light communication, comprises dispensing device and receiving trap; Described dispensing device comprise place shell outer, be used for the cartographic information around the Real-time Collection, and this cartographic information is sent to the collecting unit of microprocessor; Place in the shell, be connected with collecting unit, be used for the microprocessor that the described cartographic information that receives is encoded; Place in the shell, be connected with microprocessor, the transmitting element that sends for the cartographic information after by visible light signal microprocessor being encoded;
Described receiving trap comprises shell; Place in the shell, be used for the visible light signal that receives is carried out opto-electronic conversion, with the voltage signal that the is converted to receiving element as digital signal output; Place in the shell, be used for the digital signal of receiving element output is decoded, obtain the processing unit of the cartographic information of position; And be embedded in outer surface of outer cover, be used for display unit that described cartographic information is shown.
The map navigation system based on visible light communication that the utility model provides, dispensing device can dynamic acquisition user position cartographic information, and by visible light signal with the advanced map information delivery that gathers to receiving trap, receiving trap can the Real-Time Monitoring visible light signal, shows the cartographic information of the user position of carrying in the visible light signal.Can be applied to each public place, make things convenient for the user to search the target location; In addition, cartographic information transmits by visible light signal, so this dispensing device has the characteristics such as pollution-free, radiationless, experiences thereby improve the user.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the map navigation system structural representation that the utility model the first embodiment provides;
Fig. 2 is the dispensing device structural representation that the utility model the second embodiment provides;
Fig. 3 is the dispensing device structural representation that the utility model the 3rd embodiment provides;
Fig. 4 is the dispensing device structural representation that the utility model the 4th embodiment provides;
Fig. 5 is the receiving trap structural representation that the utility model the 5th embodiment provides;
Fig. 6 is the receiving trap structural representation that the utility model the 6th embodiment provides;
Fig. 7 is the receiving trap structural representation that the utility model the 7th embodiment provides;
Fig. 8 is the receiving trap structural representation that the utility model the 8th embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 1, it is the map navigation system structural representation that the utility model the first embodiment provides.In the present embodiment, map navigation system comprise dispensing device 100 and receiving trap 100 '.Wherein dispensing device 100 comprises shell (not identifying among Fig. 1); Place the outer collecting unit 10 of shell and place shell interior microprocessor 11 and transmitting element 12.
Collecting unit 10 is used for Real-time Collection user cartographic information on every side.This cartographic information specifically comprises the layout information of place, user place floor, and for example elevator entrance is downstairs gone up in the user position, the fire exit of This floor, the sign in main place and the putting position of all kinds of article.This collecting unit can be for having the rotary pick-up head of the function of automatically focusing.
The microprocessor 11 that is connected with collecting unit 10 be used for the cartographic information that receives is encoded, and the cartographic information after will encoding sends to transmitting element 12.Concrete, microprocessor 11 is converted to binary data with the cartographic information that receives, and according to the Manchester's cde mode binary data is converted to up and down along trigger pip again.Within a time cycle, binary data " 1 " is converted to the negative edge trigger pip, " 0 " is converted to the rising edge trigger pip.
The transmitting element 12 that is connected with microprocessor 11 is for the cartographic information that transmits by visible light signal after described microprocessor is encoded.This transmitting element 12 can be the light emitting diode of special use, also can be the illuminating lamp of public place, and is luminous when transmitting element 12 receives the negative edge trigger pip, not luminous when receiving the rising edge trigger pip.
Receiving trap 100 ' comprise place receiving element 10 in the shell (figure does not indicate) ' and processing unit 11 ' and be embedded in the display unit 12 of outer surface of outer cover '.
Receiving element 10 ' be used for the visible light signal that receives is carried out opto-electronic conversion is exported the voltage signal that is converted to as digital signal.
With the processing unit 11 of receiving element 10 ' be connected ', be used for the digital signal of receiving element 10 ' output is decoded the cartographic information of acquisition position.Concrete, the processing unit 11 ' message part that extracts is converted to binary data with the corresponding decoding process of Manchester's cde mode, thus restore the cartographic information of position.
With the display unit 12 of processing unit 11 ' be connected ', be used for processing unit 11 ' decoded cartographic information is shown.Wherein, cartographic information specifically comprises the layout information of place, user place floor, for example user position, upper elevator entrance, the fire exit of This floor, the sign in main place and the putting position of all kinds of article downstairs.
In the present embodiment, the dispensing device of map navigation system can dynamic acquisition user position cartographic information, and by visible light signal with the advanced map information delivery that gathers to receiving trap, receiving trap can the Real-Time Monitoring visible light signal, shows the cartographic information of the user position of carrying in the visible light signal.Can make things convenient for the user to search in public places the target location.
Referring to Fig. 2, it is the dispensing device structural representation that the utility model the second embodiment provides.With respect to the first embodiment, dispensing device collecting unit 10, microprocessor 11, and the basis of transmitting element 12 on, also comprise the driving circuit 20 that is connected between microprocessor 11 and the transmitting element 12, be used for the electric current of microprocessor 11 outputs is increased to the working current of transmitting element 12, according to driving transmitting element 12 along trigger pip up and down and send visible light signal behind microprocessor 11 codings.In the present embodiment, it is luminous to drive transmitting element 12 when driving circuit 20 receives the negative edge trigger pip.
Referring to Fig. 3, it is the dispensing device structural representation that the utility model the 3rd embodiment provides.With respect to the second embodiment, dispensing device is on the basis of collecting unit 10, microprocessor 11, transmitting element 12 and driving circuit 20, also comprise the first verification operator unit 30, be used for the cartographic information behind microprocessor 11 codings is carried out the verification computing, to guarantee the reliability of this advanced map information delivery.
Referring to Fig. 4, it is the dispensing device structural representation that the utility model the 4th embodiment provides.With respect to the 3rd embodiment, dispensing device is on the basis of collecting unit 10, microprocessor 11, transmitting element 12, driving circuit 20 and the first verification operator unit 30, comprise that also the first power supply 40 that is connected with each functional unit of dispensing device and the switch that is connected with the first power supply 40 41, the first power supplys 40 are used for providing electric energy to be connected each functional unit with it.Described the first power supply 40 can be electrically connected with each functional unit of dispensing device.When switch 41 is connected, described the first power supply 40 is realized conducting with collecting unit 10, microprocessor 11, transmitting element 12, driving circuit 20 and the first verification operator unit 30, thereby transmitting element 12 is luminous, sends the light signal that characterizes described cartographic information.Certainly, in other embodiments, dispensing device also can not comprise the first power supply 40 and switch 41, and adopts the mode of direct-electrifying.Described the first power supply 40 can adopt accumulator or rechargeable battery.
Referring to Fig. 5, it is the receiving trap structural representation that the utility model the 5th embodiment provides.The difference of receiving trap that present embodiment and the first embodiment provide is, display unit 12 ' be touch screen LCD, also comprise chooser unit 20 ', be used for the trigger message according to reception, select corresponding cartographic information to show.For example display unit 12 ' touch-screen on have floor to select button for user selection, when user selection wherein when certain button, can show the cartographic information that this floor is corresponding.
In the present embodiment, because display unit 12 ' have the selection button, can supply the required information of user selection, further improve the user and experience.
Referring to Fig. 6, it is the receiving trap structural representation that the utility model the 6th embodiment provides.The difference of the receiving trap that provides with the first embodiment is, receiving element 10 ', processing unit 11 ' and display unit 12 ' the basis on, also comprise the second verification arithmetic element 30 ', be used for processing unit 11 ' decoded cartographic information is carried out the CRC check computing.
In the present embodiment, by cartographic information is carried out the verification computing, further guarantee the accuracy of the cartographic information of reception.
Referring to Fig. 7, it is the receiving trap structural representation that the utility model the 7th embodiment provides.The difference of the receiving trap that provides with the 6th embodiment is receiving element 10 ' specifically comprise:
Photodetector 40 ', can be photodiode, be used for surveying the visible light signal based on time division multiple access (TDMA) that transmitting terminal sends, and convert thereof into current signal.
With the logarithmic amplifier 41 of photodetector 40 ' be connected ', be used for current signal is changed into voltage signal.
With the operational amplifier 42 of logarithmic amplifier 41 ' be connected ', be used for calculating the mean value of the voltage signal volt value of logarithmic amplifier 41 ' output.
With the comparer 43 of operational amplifier 42 ' be connected ', be used for voltage signal is differentiated, the voltage signal that is less than or equal to volt value mean value is judged to be 0, the voltage signal that is higher than volt value mean value is judged to be 1, exports as digital signal.
Referring to Fig. 8, it is the receiving trap structural representation that the utility model the 8th embodiment provides.The difference of the receiving trap that provides with the first embodiment is, also comprise respectively with receiving element 10 ', the second source 50 of processing unit 11 ' and display unit 12 ' be connected ' and with the button 51 of second source 50 ' be connected ', second source 50 ' be used for to receiving element 10 ', processing unit 11 ' and display unit 12 ' provide electric energy; Button 51 ' be used for control second source 50 ' shutoff.When button 51 ' when pressing, second source 50 ' with receiving element 10 ', processing unit 11 ' and display unit 12 ' realization conduct.Second source 50 ' can adopt button cell, rechargeable battery or accumulator.Certainly, in other embodiments, receiving trap also can not comprise second source 50 ', and adopt USB interface to link to each other with electric supply installation, realization is to the power supply of each functional module of digital map navigation.
Above disclosed only is a kind of preferred embodiments of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. the map navigation system based on visible light communication is characterized in that, comprises dispensing device and receiving trap; Described dispensing device comprise place shell outer, be used for the cartographic information around the Real-time Collection, and this cartographic information is sent to the collecting unit of microprocessor; Place in the shell, be connected with collecting unit, be used for the microprocessor that the described cartographic information that receives is encoded; Place in the shell, be connected with microprocessor, the transmitting element that sends for the cartographic information after by visible light signal microprocessor being encoded;
Described receiving trap comprises shell; Place in the shell, be used for the visible light signal that receives is carried out opto-electronic conversion, with the voltage signal that the is converted to receiving element as digital signal output; Place in the shell, be used for the digital signal of receiving element output is decoded, obtain the processing unit of the cartographic information of position; And be embedded in outer surface of outer cover, be used for display unit that described cartographic information is shown.
2. map navigation system according to claim 1, it is characterized in that, described dispensing device also comprises the driving circuit that is connected between microprocessor and the transmitting element, be used for the electric current of described microprocessor output is increased to the working current of described transmitting element, send visible light signal to drive described transmitting element.
3. map navigation system according to claim 1 is characterized in that, described display unit also comprises the chooser unit, is used for selecting corresponding cartographic information to show according to the trigger message that receives.
4. receiving trap according to claim 3 is characterized in that, described display unit is touch screen LCD.
5. map navigation system according to claim 1 is characterized in that, described dispensing device also comprises the first verification operator unit that is connected with microprocessor, is used for the cartographic information behind the coding is carried out the verification computing.
6. map navigation system according to claim 1 is characterized in that, described receiving trap also comprises the second verification arithmetic element that is connected with processing unit, is used for the decoded cartographic information of described processing unit is carried out the verification computing.
7. map navigation system according to claim 1 is characterized in that, described dispensing device also comprises the first power supply that is connected with each functional unit of described dispensing device, is used for to each functional unit power supply; And the switch of described the first power supply connection, be used for controlling according to the trigger pip that receives the shutoff of described the first power supply.
8. map navigation system according to claim 1 is characterized in that, described receiving trap also comprises the second source that is connected with receiving element, processing unit and display unit; And the button that is connected with described second source, be used for controlling the shutoff of described second source.
9. map navigation system according to claim 1 is characterized in that, described receiving element specifically comprises:
The photodetector that is used for surveying visible light signal and converts thereof into current signal; Be used for described current signal is changed into the logarithmic amplifier of voltage signal; Operational amplifier for the mean value that calculates described voltage signal volt value; And be used for signal is differentiated, the signal determining that is less than or equal to volt value mean value is 0, is higher than the signal determining 1 of mean value, as the comparer of digital signal output.
10. map navigation system according to claim 1 is characterized in that, the rotary pick-up head of described collecting unit for can automatically focusing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134576 CN202661075U (en) | 2012-04-01 | 2012-04-01 | Visible light communication-based map navigation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220134576 CN202661075U (en) | 2012-04-01 | 2012-04-01 | Visible light communication-based map navigation system |
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| Publication Number | Publication Date |
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| CN202661075U true CN202661075U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220134576 Expired - Fee Related CN202661075U (en) | 2012-04-01 | 2012-04-01 | Visible light communication-based map navigation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363984A (en) * | 2012-04-01 | 2013-10-23 | 深圳光启创新技术有限公司 | Map navigation system based on visible light communication |
-
2012
- 2012-04-01 CN CN 201220134576 patent/CN202661075U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363984A (en) * | 2012-04-01 | 2013-10-23 | 深圳光启创新技术有限公司 | Map navigation system based on visible light communication |
| CN103363984B (en) * | 2012-04-01 | 2017-09-19 | 深圳光启智能光子技术有限公司 | map navigation system based on visible light communication |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GUANGQI WISDOM TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20130913 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518034 SHENZHEN, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130913 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Nanhai Nanxin road de tower A 10 floor 1002H Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131202 Address after: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee after: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Nanhai Nanxin road de tower A 10 floor 1002H Patentee before: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY |
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| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN GUANGQI INTELLIGENT PHOTONICS TECHNOLOGY Free format text: FORMER OWNER: SHENZHEN KUANG-CHI INNOVATION TECHNOLOGY CO., LTD. Effective date: 20150708 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150708 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Patentee after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20210401 |