CN113688967B - Navigation system and method based on light carrier directivity identification listing - Google Patents
Navigation system and method based on light carrier directivity identification listing Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 55
- 230000008447 perception Effects 0.000 claims abstract description 28
- 239000002131 composite material Substances 0.000 claims abstract description 23
- 230000006870 function Effects 0.000 claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims description 55
- 230000002452 interceptive effect Effects 0.000 claims description 34
- 230000005284 excitation Effects 0.000 claims description 15
- 230000005672 electromagnetic field Effects 0.000 claims description 10
- 230000026683 transduction Effects 0.000 claims description 7
- 238000010361 transduction Methods 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000005281 excited state Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
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- 230000005540 biological transmission Effects 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000004134 energy conservation Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a navigation system and a navigation method based on light carrier directivity identification, wherein the system comprises an electronic tag with directivity identification function, a distributed composite perception front end and a system service platform, wherein the electronic tag is connected with the system service platform through the distributed composite perception front end; the distributed composite perception front ends are distributed at different positions of the exhibition area in a scattered manner and are connected with the system service platform through wired or wireless data communication. The invention solves the problems of accurate matching and behavior acquisition depending on human biological information in the process of automatically acquiring navigation information by visitors in an exhibition area through the modes of active pointing light carrier wave emission of a distributed composite front end, passive pointing light sense receiving of an electronic tag and the like; meanwhile, the energy saving problem of the terminal equipment is solved through the self-energy-collecting and electric energy management device arranged in the electronic tag.
Description
Technical Field
The invention belongs to the technical field of information, and particularly relates to a navigation system and a navigation method based on optical carrier directivity identification and listing.
Background
With the social development, the activities such as cultural exhibition are increasingly abundant, and in the exhibition process, in order to enable visitors to better understand the content and background information of related exhibits, personnel explanation or electronic explanation devices are usually arranged. The problems that the personnel explanation cost is high and the autonomy of visitors is poor are always solved are solved, and the current advanced exhibition hall adopts the form of an electronic explanation device to replace personnel explanation. However, the problems of the general electronic explanation device are obvious, and the problems are that a visitor needs to manually input or scan codes to input and select the explanation to listen according to the serial numbers hung on the exhibited articles, the operation is complex, and especially when the crowd is more, the difficulty in acquiring the article codes and the two-dimensional codes is greatly improved, so that the use experience is reduced.
The current solution mode is to locate the position of the visitor through the space locating technology of the explanation device, such as an indoor Bluetooth/WIFI locating method, a GPS and Beidou outdoor locating method, such as CN210896535U discloses an automatic guiding explanation device for a museum, CN 111246378A discloses a guiding method and related components based on iBeacon Bluetooth locating, CN 113099386A discloses a multi-floor indoor position identifying method and application thereof in guiding the museum, and the like, namely the method is to display the nearby exhibits in the explanation device through locating identification, so that the visitor can select the exhibits, and the method is greatly improved compared with the method of inputting or scanning codes to acquire information by the visitor. However, the scheme has obvious defects that the omnidirectional space information cannot accurately acquire the active observation direction information of the visitor, the redundancy of the pushed information is large, the exhibited articles observed by the visitor cannot be pushed accurately, and more confusion is brought to the visitor. The scheme can not be satisfied, and the exhibition host needs to acquire attention information of visitors, namely directivity information facing the exhibition objects, and the information has important significance for evaluating the exhibition effect.
On the other hand, the energy saving and consumption reduction of the exhibition guiding system is also the content which needs to be focused on, the personnel identification electronic listing of the visitors is needed in the current guiding process, and the portable explanation devices with audio playing and interaction performance, such as MP3, mobile phone APP and the like, are also needed. At present, a method of combining with an identification card is not adopted, such as an intelligent work card disclosed in CN 212907013U and an intelligent card capable of wireless communication disclosed in CN 208752913U, the electronic cards are not designed for navigation, energy collection and energy saving treatment are not fully utilized by energy generated in the process of visiting activities, and the application of characteristics such as interactive identification and voice navigation in exhibition scenes is also not adopted.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a navigation system and a navigation method based on light carrier directivity identification hanging plate; the invention can be used as a system and a control method for guiding autonomous explanation and personnel perception positioning analysis in exhibition halls and the like, and relates to the comprehensive energy-saving field of autonomous energy collection and state control of electronic card hanging; the invention can realize the accurate coordination of autonomous navigation, the positioning perception of the visitors by the exhibition party and the energy-saving management of electronic hanging.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the system comprises an electronic card with a directivity recognition function, a distributed composite perception front end and a system service platform, wherein the electronic card is connected with the system service platform through the distributed composite perception front end; the distributed composite perception front ends are distributed at different positions of the exhibition area in a scattered manner and are connected with the system service platform through wired or wireless data communication;
the electronic tag comprises a main control component, a micro-power generation device, a built-in battery, a space electromagnetic field energy collector, a solar energy transduction component, an interactive display component, a light sense communication component, a Bluetooth headset component, a status lamp, a wake-up button, a USB interface and an audio interface;
the distributed composite perception front end comprises an optical carrier transmitter, a video collector, a wireless communication transceiver, an electronic tag reader and an audio detector;
the system service platform comprises a map and article information platform, a navigation information service platform and an electronic listing perception service platform.
Preferably, the optical carrier transmitter and the video collector are distributed towards the opposite direction to the observation direction of the exhibited article and are opposite to the visitors; when the multiple faces of the exhibited article are observable, correspondingly arranging a plurality of groups of optical carrier transmitters and video collectors; the wireless communication transceiver and the audio detector are arranged above the open area, and the electronic tag reader is arranged above the hall or the channel.
Preferably, the optical carrier transmitter adopts two optical carrier transmitting modes of visible light and infrared light; the light-sensitive communication part in the electronic tag adopts two light-sensitive demodulation modes of visible light and infrared light. A communication sensing mode with one-to-many transmission and reception is formed, and the output light intensity of the visible light carrier is not higher than the ambient illuminance, and is converted into the output of the infrared light carrier when glare is generated.
Preferably, the communication distance of the electronic tag is more than 1 meter and less than 10 meters. When the electronic tag is in operation, the light carrier wave transmitting power is set according to the exhibition observing distance and the electronic tag hanging sensitivity, and the effective communication distance is adjusted in the range of more than 1 meter and less than 10 meters.
Preferably, the main control unit comprises a control processor, an optical sensing coding and decoding module, an interactive display control module, an audio module, an information storage module, a device coding management module, an electric energy management module, a wired serial communication module and a wireless communication module, wherein the optical sensing coding and decoding module, the interactive display control module, the audio module, the information storage module, the device coding management module, the electric energy management module, the wired serial communication module and the wireless communication module are respectively connected with the control processor; the Bluetooth headset assembly comprises a headset body and a headset bin, and the headset bin is uniformly managed by the electric energy management module to supply power.
Preferably, the electric energy management module is connected with the micro-motion energy generating device and the solar energy transduction component through the space electromagnetic field energy collector, and the electric energy management module is connected with the built-in battery.
When a visitor wears the sports, the electronic tag can collect micro-kinetic energy, solar energy and space radiation energy through the electric energy management module and the space electromagnetic field energy collecting device, and the micro-kinetic energy, the solar energy and the space radiation energy are converted into electric energy to be stored in the built-in battery. The electronic listing control processor generates a two-dimensional code according to the combination mode of the listing device code and the visitor information, and displays the two-dimensional code on the interactive display component. The use state of the electronic hanging card is divided into a standby state and a working state; the interactive display part has the characteristic of an electronic ink screen, and is powered off when in a standby state, and a display picture is fixed in a state before power off; when the device is in a working state, through sensing the optical carrier signal, when the device demodulates and identifies the forward-looking object, the device supplies power to the interactive display component, displays function keys, and plays navigation audio through touching the keys. When the optical carrier signal is not sensed within the set time, the system automatically changes to a standby state, and a user can manually change the working state through the wake-up button.
The invention also provides a control method of the navigation system based on the optical carrier directivity identification card, which comprises the following steps:
the method comprises the steps of (1) inputting information comprising map information ID-M, exhibition objects and exhibition object ID-T numbers at a system service platform end; assigning the electronic hanging tag ID-P, the guide information, the explanation audio and the exhibition object ID-T to the electronic hanging tag terminal through wired or wireless communication;
step (2), starting an audio detector, a video collector, an electronic tag reader and a wireless communication transceiver, and transmitting the ID-T number of the display object to a visitor through an optical carrier transmitter corresponding to the display object according to the visit perception dynamics during the display;
step (3), when a visitor carries an electronic tag, reading visitor information through an electronic tag reader when the visitor passes through a sensing door or a short channel, sensing and identifying an ID-P two-dimensional code displayed by the electronic tag by a forward video collector, receiving an oppositely sent light carrier wave by a light sensing communication component on the electronic tag, demodulating to obtain ID-M information, and displaying a corresponding exhibition hall summary on an interactive display component of the electronic tag;
step (4), the visitor carries an electronic tag, when the visitor faces to a certain exhibition object, the ID-P two-dimensional code displayed by the electronic tag is perceived and identified by the forward video collector, the light-sensitive communication component on the electronic tag receives the light carrier wave emitted oppositely, the light carrier wave is demodulated to obtain ID-T information, and the exhibition object information is displayed on the interactive display component;
step (5), the visitor selects to listen to the related guiding audio through the Bluetooth earphone through the interactive display component of the electronic hanging tag and through touch control or voice instruction operation; the system service platform analyzes the stay and distribution states of the visitors through the electronic registration sensing information.
Preferably, the ID-T number of the exhibition object is transmitted outwards through an optical carrier transmitter corresponding to the exhibition object, and the ID-T number of the exhibition object and the information of the exhibition position are combined and encoded; when multiple exhibits or exhibits made up of multiple components are combined in one or more areas, the combination is encoded as: object code ID-T, subordinate code ID-Tsub, exhibition face code ID-Tnow, position coordinate code (X, Y); its subordinate code ID-Tsub is 0 or null when it is a single item; when only one exhibition is performed, the exhibition face code ID-Tnow is 0 or a null value; when only one article is displayed, the position coordinate code (X, Y) is (0, 0) or null; the optical carrier communication format is sequentially as follows: start identification, region display number, combination code, interval identification, check code, and end identification.
Preferably, the electronic listing master control unit generates a two-dimensional code according to a mode of combining the encoding of the listing device with the information of the receiving visitor, and displays the two-dimensional code on the interactive display unit; the use state of the electronic hanging card is divided into a standby state and a working state; the interactive display part has the characteristic of an electronic ink screen, and is powered off when in a standby state, and a display picture is fixed in a state before power off; when the device is in a working state, through sensing an optical carrier signal, when a forward-looking object is demodulated and identified, power is supplied to the interactive display component, function keys are displayed, and navigation audio is played through touching the keys or voice instructions; when the optical carrier signal is not sensed within the set time, the system automatically changes to a standby state, and a user can manually change the working state through the wake-up button.
Preferably, during exhibition, electronic tags and audio information in electronic tags distributed in halls and channels are sensed, a user is recognized and perceived to enter an exhibition area, a video collector associated with an exhibition object is linked, and a two-dimensional code displayed by the electronic tag of a visitor is scanned; the working mode of the optical carrier transmitter is standby, short-time excitation and continuous excitation, and the working mode is converted according to the regional perception state signals; when no linkage signal of the electronic tag and the audio/video information exists, the area sensing state signal is A, and the optical carrier transmitter is in a standby non-excited state; when the distributed composite front end senses sparse appearance frequency of visitors at the exhibition objects, the regional sensing state is B, the optical carrier transmitter is in a short-time excitation state, and is in linkage according to video scanning sensing, and emits coded information of the exhibition objects in a short-time single excitation mode towards the direction of the visitors; when the distributed composite front end senses that the appearance frequency of visitors at the exhibition objects is dense, the area sensing state is C, the optical carrier transmitter is in a continuous excitation state, and continuously excites the visitors for a long time in the direction of the visitors, so that the encoded information of the exhibition objects is transmitted.
The invention has the beneficial effects that:
(1) The problem that visitors visit independently and accurately acquire navigation information during exhibition hall navigation is solved;
(2) The positioning analysis and non-contact self-service problems of the exhibition hall service platform on visitors are solved;
(3) The self-power generation is realized through the combined application of micro-power generation, solar power generation and electromagnetic field energy collection which are arranged in the electronic tag, and meanwhile, the energy conservation is comprehensively realized through adopting management of different working states;
(4) The visitor behavior collection independent of biological feature collection is solved, and the information security risk is reduced;
(5) The invention can be used in cultural places such as museums, art halls, exhibition halls and the like which need explanation, and can also be used for guiding tourist places such as ancient towns, parks and the like.
Drawings
FIG. 1 is a schematic diagram of the navigation system of the present invention;
FIG. 2 is a diagram of an electronic card arrangement of the present invention;
FIG. 3 is a schematic diagram of dynamic interactions of an electronic ticketing application of the present invention;
FIG. 4 is a block diagram of the electronic card main control unit of the present invention;
fig. 5 is a flow chart of the control method of the present invention.
Illustration of: 1-1 parts of a main control component, 1-2 parts of a micro-power generation device, 1-3 parts of a built-in battery, 1-4 parts of a space electromagnetic field energy collector; 2-1 parts of solar energy transduction components, 2-2 parts of interactive display components, 2-3 parts of light sensation communication components; 3-1 parts of Bluetooth earphone, 3-2 parts of status lamp, 3-3 parts of wake-up button, 3-4 parts of USB interface, 3-5 parts of audio interface.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is further described below with reference to the drawings and the embodiments, but the scope of the present invention is not limited thereto. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. It should be understood that the practice of the invention is not limited to the following examples, but is intended to be within the scope of the invention in any form and/or modification thereof.
Referring to fig. 1 to 4, a navigation system based on optical carrier directivity recognition and listing, wherein the system comprises an electronic listing with directivity recognition function, a distributed composite perception front end and a system service platform, and the electronic listing is connected with the system service platform through the distributed composite perception front end; the distributed composite perception front ends are distributed at different positions of the exhibition area in a scattered way and are connected with a system service platform through wired or wireless data communication (communication network);
the distributed composite perception front end comprises an encodable optical carrier transmitter, a video collector, a wireless communication transceiver, an electronic tag reader and an audio detector;
the system service platform comprises a map and article information platform, a navigation information service platform and an electronic listing perception service platform.
The electronic tag comprises a main control component 1-1, a micro-power generating device 1-2, a built-in battery 1-3, a space electromagnetic field energy collector 1-4 (an energy collecting coil can be adopted), a solar energy transduction component 2-1, an interactive display component 2-2, a light sensation communication component 2-3, a Bluetooth headset component 3-1, a status lamp 3-2, a wake-up button 3-3, a USB interface 3-4 and an audio interface 3-5.
The main control unit comprises a control processor, a light perception encoding and decoding module, an interactive display control module, an audio module, an information storage module, a device coding management module (ID management module), an electric energy management module, a wired serial communication module and a wireless communication module, wherein the light perception encoding and decoding module, the interactive display control module, the audio module, the information storage module, the device coding management module (ID management module), the electric energy management module, the wired serial communication module and the wireless communication module are respectively connected with the control processor. The electric energy management module is connected with the micro-motion energy generating device and the solar energy transduction component through the space electromagnetic field energy collector, and is connected with the built-in battery; the Bluetooth headset assembly comprises a headset body and a headset bin, and the headset bin is uniformly managed by the electric energy management module to supply power.
When a visitor wears the sports, the electronic tag can collect micro-kinetic energy, solar energy and space radiation energy through the electric energy management module and the space electromagnetic field energy collector, and the micro-kinetic energy, the solar energy and the space radiation energy are converted into electric energy to be stored in the built-in battery. The electronic listing master control unit generates a two-dimensional code according to the combination mode of the listing device code and the visitor information, and displays the two-dimensional code on the interactive display unit; the use state of the electronic hanging card is divided into a standby state and a working state; the interactive display part has the characteristic of an electronic ink screen, and is powered off when in a standby state, and a display picture is fixed in a state before power off; when the device is in a working state, through sensing an optical carrier signal, when a forward-looking object is demodulated and identified, power is supplied to the interactive display component, function keys are displayed, and navigation audio is played through touching the keys or voice instructions; when the optical carrier signal is not sensed within the set time, the system automatically changes to a standby state, and a user can manually change the working state through the wake-up button.
The optical carrier transmitter and the video collector are distributed towards the opposite direction to the observation direction of the exhibited article and are opposite to the visitors; when the multiple faces of the exhibited article are observable, correspondingly arranging a plurality of groups of optical carrier transmitters and video collectors; the wireless communication transceiver and the audio detector are arranged above the open area, and the electronic tag reader is arranged above the hall or the channel.
The optical carrier transmitter adopts two optical carrier transmitting modes of visible light and infrared light; the light-sensitive communication part in the electronic tag adopts two light-sensitive demodulation modes of visible light and infrared light. A communication sensing mode with one-to-many transmission and reception is formed, and the output light intensity of the visible light carrier is not higher than the ambient illuminance, and is converted into the output of the infrared light carrier when glare is generated.
The communication distance of the electronic tag is more than 1 meter and less than 10 meters. When the electronic tag is in operation, the light carrier wave transmitting power is set according to the exhibition observing distance and the electronic tag hanging sensitivity, and the effective communication distance is adjusted in the range of more than 1 meter and less than 10 meters.
Referring to fig. 5, the control method of the navigation system based on the optical carrier directivity recognition registration includes the following steps:
step (1), information such as map information ID-M, exhibition objects and exhibition object ID-T numbers and the like is input at a system service platform end (server end) through a system; assigning the electronic hanging tag ID-P, the guide information, the explanation audio and the exhibition object ID-T to the electronic hanging tag terminal through wired or wireless communication;
step (2), starting an audio detector (audio detection equipment), a video collector (video collection equipment), an electronic tag reader (electronic tag reader) and a wireless communication transceiver (wireless communication equipment), and transmitting the ID-T number of the display object to the visitor through an optical carrier transmitter corresponding to the display object according to the visit perception dynamics during the display;
step (3), when a visitor carries an electronic tag, reading visitor information through an electronic tag reader (electronic tag reading equipment) when the visitor passes through an induction hall or a channel, sensing and identifying an ID-P two-dimensional code displayed by the electronic tag by a forward video collector (video collecting equipment), receiving an oppositely emitted light carrier wave by a light sensing communication component on the electronic tag, demodulating to obtain ID-M information, and displaying a corresponding hall outline on an interactive display component (interactive display) of the electronic tag;
step (4), the visitor carries an electronic tag, when the visitor faces to a certain exhibition object, the ID-P two-dimensional code displayed by the electronic tag is sensed by a forward video collector (video collecting equipment) to be different in knowledge, a light sensing communication component on the electronic tag receives a light carrier wave emitted oppositely, the light carrier wave is demodulated to obtain ID-T information, and the exhibition object information is displayed on an interactive display component (interactive display);
step (5), the visitor selects to listen to the related guiding audio through the Bluetooth earphone through the interactive display component of the electronic hanging tag and through touch control or voice instruction operation; the system service platform analyzes the stay and distribution states of the visitors through the electronic registration sensing information.
In the step (2), the ID-T number of the exhibition object is transmitted outwards through an optical carrier transmitter corresponding to the exhibition object, and the ID-T number of the exhibition object and the information of the exhibition position are combined and encoded; when multiple exhibits or exhibits made up of multiple parts are combined in one or more areas, the combination is encoded as a combination: [ object code ID-T+subordinate code ID-Tsub+show surface code ID-Tnow+position coordinate code (X, Y) ]; its subordinate code ID-Tsub is 0 or null when it is a single item; when only one exhibition is performed, the exhibition face code ID-Tnow is 0 or a null value; when only one article is displayed, the position coordinate code (X, Y) is (0, 0) or null; the optical carrier communication format is: start identification + region presentation number + combination coding + interval identification + check coding + end identification.
Examples: combined code [ X0001-02-S- (1, 2) ]
Where X0001 is the sequential article code ID-T sorted by X, 02 is the second portion of the article, S is the first row, column 2, position shown in (1, 2) where it is illustratively disposed toward the south.
Examples: communication message AAA02X000101S (1, 1) & X000102S (1, 2) &01BBB
AAA is an initial mark, BBB is an end mark, 02 is the area for displaying 2 exhibits, & & is an interval mark, 01 is a check code, and X000101S (1, 1) and X000102S (1, 2) are combined codes.
In the step (2), during exhibition, sensing electronic tags and audio information in electronic tags distributed in halls and channels, identifying and sensing that users enter an exhibition area, linking with a video collector associated with an exhibition object, and scanning two-dimensional codes displayed by the electronic tags of visitors; the working mode of the optical carrier transmitter is standby, short-time excitation and continuous excitation, and the working mode is converted according to the regional perception state signals; when no linkage signal of the electronic tag and the audio/video information exists, the area sensing state signal is A, and the optical carrier transmitter is in a standby non-excited state; when the distributed composite front end senses sparse appearance frequency of visitors at the exhibition objects, the regional sensing state is B, the optical carrier transmitter is in a short-time excitation state, and is in linkage according to video scanning sensing, and emits coded information of the exhibition objects in a short-time single excitation mode towards the direction of the visitors; when the distributed composite front end senses that the appearance frequency of visitors at the exhibition objects is dense, the area sensing state is C, the optical carrier transmitter is in a continuous excitation state, and continuously excites the visitors for a long time in the direction of the visitors, so that the encoded information of the exhibition objects is transmitted.
The invention solves the problems of accurate matching and behavior acquisition depending on human biological information in the process of automatically acquiring navigation information by visitors in an exhibition area through the modes of active pointing light carrier wave emission of a distributed composite front end, passive pointing light sense receiving of an electronic tag and the like; meanwhile, the energy saving problem of the terminal equipment is solved through the self-energy-collecting and electric energy management device arranged in the electronic tag.
The invention has been described in detail with reference to the examples, but the description is only specific embodiments of the invention and should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, it is intended that all changes and modifications made in the present invention shall fall within the scope of the patent coverage of this invention without departing from the spirit of the present invention.
Claims (6)
1. A guide system based on light carrier directivity discernment link is characterized in that: the system comprises an electronic tag with a directivity recognition function, a distributed composite perception front end and a system service platform, wherein the electronic tag is connected with the system service platform through the distributed composite perception front end; the distributed composite perception front ends are distributed at different positions of the exhibition area in a scattered manner and are connected with the system service platform through wired or wireless data communication;
the electronic tag comprises a main control component, a micro-power generation device, a built-in battery, a space electromagnetic field energy collector, a solar energy transduction component, an interactive display component, a light sense communication component, a Bluetooth headset component, a status lamp, a wake-up button, a USB interface and an audio interface;
the distributed composite perception front end comprises an optical carrier transmitter, a video collector, a wireless communication transceiver, an electronic tag reader and an audio detector;
the system service platform comprises a map and article information platform, a navigation information service platform and an electronic hanging plate perception service platform;
the optical carrier transmitter and the video collector are distributed towards the opposite direction to the observation direction of the exhibited article and are opposite to the visitor; when the multiple faces of the exhibited article are observable, correspondingly arranging a plurality of groups of optical carrier transmitters and video collectors; the wireless communication transceiver and the audio detector are arranged above the open area, and the electronic tag reader is arranged above the hall or the channel;
the optical carrier transmitter adopts two optical carrier transmitting modes of visible light and infrared light; the light-sensitive communication part in the electronic tag adopts two light-sensitive demodulation modes of visible light and infrared light;
the main control unit comprises a control processor, an optical sensing coding and decoding module, an interactive display control module, an audio module, an information storage module, a device coding management module, an electric energy management module, a wired serial communication module and a wireless communication module, wherein the optical sensing coding and decoding module, the interactive display control module, the audio module, the information storage module, the device coding management module, the electric energy management module, the wired serial communication module and the wireless communication module are respectively connected with the control processor; the Bluetooth headset part comprises a headset body and a headset bin, and the headset bin is uniformly managed by the electric energy management module to supply power;
the electric energy management module is connected with the micro-motion energy generating device and the solar energy transduction component through the space electromagnetic field energy collector, and the electric energy management module is connected with the built-in battery.
2. The light carrier directivity identification branding-based navigation system according to claim 1, wherein: the communication distance of the electronic tag is more than 1 meter and less than 10 meters.
3. A control method of a navigation system based on light carrier directivity identification hanging tag is characterized by comprising the following steps: the navigation system according to claim 1 or 2, comprising the steps of:
the method comprises the steps of (1) inputting information comprising map information ID-M, exhibition objects and exhibition object ID-T numbers at a system service platform end; assigning the electronic hanging tag ID-P, the guide information, the explanation audio and the exhibition object ID-T to the electronic hanging tag terminal through wired or wireless communication;
step (2), starting an audio detector, a video collector, an electronic tag reader and a wireless communication transceiver, and transmitting the ID-T number of the display object to a visitor through an optical carrier transmitter corresponding to the display object according to the visit perception dynamics during the display;
step (3), when a visitor carries an electronic tag, reading visitor information through an electronic tag reader when the visitor passes through a sensing door or a short channel, sensing and identifying an ID-P two-dimensional code displayed by the electronic tag by a forward video collector, receiving an oppositely sent light carrier wave by a light sensing communication component on the electronic tag, demodulating to obtain ID-M information, and displaying a corresponding exhibition hall summary on an interactive display component of the electronic tag;
step (4), the visitor carries an electronic tag, when the visitor faces to a certain exhibition object, the ID-P two-dimensional code displayed by the electronic tag is perceived and identified by the forward video collector, the light-sensitive communication component on the electronic tag receives the light carrier wave emitted oppositely, the light carrier wave is demodulated to obtain ID-T information, and the exhibition object information is displayed on the interactive display component;
step (5), the visitor selects to listen to the related guiding audio through the Bluetooth earphone through the interactive display component of the electronic hanging tag and through touch control or voice instruction operation; the system service platform analyzes the stay and distribution states of the visitors through the electronic registration sensing information.
4. A control method of a navigation system based on optical carrier directivity recognition registration according to claim 3, characterized in that: the display object ID-T number is transmitted outwards through an optical carrier transmitter corresponding to the display object, and the display object ID-T number and the display position information are combined and encoded; when multiple exhibits or exhibits made up of multiple components are combined in one or more areas, the combination is encoded as: object code ID-T, subordinate code ID-Tsub, exhibition face code ID-Tnow, position coordinate code (X, Y); its subordinate code ID-Tsub is 0 or null when it is a single item; when only one exhibition is performed, the exhibition face code ID-Tnow is 0 or a null value; when only one article is displayed, the position coordinate code (X, Y) is (0, 0) or null; the optical carrier communication format is sequentially as follows: start identification, region display number, combination code, interval identification, check code, and end identification.
5. A control method of a navigation system based on optical carrier directivity recognition registration according to claim 3, characterized in that: the electronic listing master control unit generates a two-dimensional code according to the combination mode of the listing device code and the visitor information, and displays the two-dimensional code on the interactive display unit; the use state of the electronic hanging card is divided into a standby state and a working state; the interactive display part has the characteristic of an electronic ink screen, and is powered off when in a standby state, and a display picture is fixed in a state before power off; when the device is in a working state, through sensing an optical carrier signal, when a forward-looking object is demodulated and identified, power is supplied to the interactive display component, function keys are displayed, and navigation audio is played through touching the keys or voice instructions; when the optical carrier signal is not sensed within the set time, the system automatically changes to a standby state, and a user can manually change the working state through the wake-up button.
6. A control method of a navigation system based on optical carrier directivity recognition registration according to claim 3, characterized in that: during exhibition, sensing electronic tags and audio information in electronic tags distributed in halls and channels, identifying and sensing that users enter an exhibition area, linking video collectors associated with exhibition objects, and scanning two-dimensional codes displayed by the electronic tags of visitors; the working mode of the optical carrier transmitter is standby, short-time excitation and continuous excitation, and the working mode is converted according to the regional perception state signals; when no linkage signal of the electronic tag and the audio/video information exists, the area sensing state signal is A, and the optical carrier transmitter is in a standby non-excited state; when the distributed composite front end senses sparse appearance frequency of visitors at the exhibition objects, the regional sensing state is B, the optical carrier transmitter is in a short-time excitation state, and is in linkage according to video scanning sensing, and emits coded information of the exhibition objects in a short-time single excitation mode towards the direction of the visitors; when the distributed composite front end senses that the appearance frequency of visitors at the exhibition objects is dense, the area sensing state is C, the optical carrier transmitter is in a continuous excitation state, and continuously excites the visitors for a long time in the direction of the visitors, so that the encoded information of the exhibition objects is transmitted.
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