CN111426314A - Exhibition hall navigation method based on city perception microgrid - Google Patents
Exhibition hall navigation method based on city perception microgrid Download PDFInfo
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Abstract
The invention discloses an exhibition hall navigation method based on a city perception microgrid, wherein in a navigation period, a cloud server pushes corresponding release contents to all exhibitors, and after the release contents are fed back, the corresponding exhibitors are guided for the first time to go to a release meeting exhibition position for a merchant to carry out release meeting recommendation; and in the release period, the cloud server screens the participants according to the continuous meeting time of the participants and pushes corresponding promotion information to the screened user terminals again, and the user terminals are guided for the second time after the promotion information is fed back, so that the user terminals go to corresponding merchants for exhibition and recommendation. The method of the invention is beneficial to more accurately and effectively guiding the exhibitors to participate in each process of the exhibition through pushing, screening and guiding in stages, and promotes the exhibition promotion and order bargaining of merchants.
Description
Technical Field
The invention relates to the technical field of micro-grids, in particular to an exhibition hall navigation method based on an urban sensing micro-grid.
Background
At an exhibition, the merchant often guides the exhibitor to his exhibition by traditional means of publicity (such as leaflets and display boards, etc.), followed by the exhibition recommendation. Some merchants even develop a release meeting in the process of the exhibition, so as to increase the influence of the release meeting, and further facilitate personnel guidance, exhibition recommendation and order bargaining.
However, because the exhibitor receives the propaganda information with various categories in the exhibition, the exhibitor often cannot select the exhibition meeting the self-demand and the corresponding commercial tenant from the propaganda information, which means that the existing propaganda mode of the commercial tenant cannot accurately and effectively guide the exhibitor, and the effect is the same as the nominal effect, so that the exhibitor cannot visit more exhibits in a limited time, and the order transaction efficiency of the commercial tenant is also reduced. Moreover, for the publicity method of opening the release meeting, the potential intention customers cannot know the starting time of the release meeting in advance and cannot find the release meeting exhibition position in the exhibition quickly, so that the potential intention customers can attract more marginal customers located at the periphery of the release meeting exhibition position at that time, the effect of guiding exhibitors cannot be achieved, and a considerable number of potential intention customers can still be missed.
In addition, because the personnel are numerous and the exhibition is intensive, the exhibition personnel can only refer to the sign and instruct and plan the circuit by oneself, is looking for the in-process of target exhibition or release meeting exhibition position, not only wastes time and energy, and experience the effect not good.
Therefore, in the existing exhibition, no matter the merchant or the exhibition sponsor can guide the exhibitor more accurately and promote the exhibition promotion and order bargaining, so that the exhibition significance is greatly reduced.
Disclosure of Invention
The present invention is directed to solving the above problems and drawbacks, and provides an exhibition hall navigation method, which is beneficial to guiding exhibitors to participate in each process of an exhibition more accurately and effectively in the exhibition, and promoting exhibition promotion and order bargaining of merchants.
In order to achieve the above object, the present invention provides an exhibition hall navigation method based on city sensing microgrid, the method is based on exhibition hall navigation system, which includes:
an electronic tag carried by a exhibitor;
a user terminal corresponding to the electronic tag and also carried by the exhibitor;
the micro-grid node is arranged at each merchant exhibition and release meeting place, comprises a tag reading head and is used for being coupled with the electronic tags and periodically sending coupling information containing identification codes of all the electronic tags coupled with the electronic tags;
the cloud server is in wireless communication with the user terminal and the microgrid node and receives the coupling information; the system is characterized by further storing a plurality of databases, wherein the first database comprises the corresponding relation between electronic tags and user terminals, the second database comprises the corresponding relation between each microgrid node and a merchant exhibition or release meeting place, and the third database comprises the corresponding relation between the merchant exhibition, a guide period, a release period, release contents and promotion information;
the method comprises the following steps:
the cloud server sends corresponding release content to the user terminal at the starting time of each guide period;
the user terminal sends first feedback information to the cloud server aiming at the release content;
after receiving the first feedback information, the cloud server sends first navigation information to the user terminal according to the received coupling information containing the identification code of the electronic tag corresponding to the corresponding user terminal so as to guide the corresponding exhibitor to move to the release meeting exhibition location;
the method comprises the steps that in each release period, when the times of continuously receiving coupling information which is sent by a microgrid node arranged at a release meeting place and contains identification codes of the same electronic tags exceed preset times, a cloud server searches whether a user terminal corresponding to the electronic tags sends first feedback information in a corresponding guide period or not, and sends corresponding promotion information to a user terminal which is successfully searched at the end time of the release period;
the user terminal sends second feedback information to the cloud server according to the promotion information;
and after receiving the second feedback information, the cloud server sends second navigation information to the user terminal according to the received coupling information containing the identification code of the electronic tag corresponding to the corresponding user terminal so as to guide the corresponding exhibitor to travel to the shop exhibition corresponding to the promotion information.
In one embodiment: the exhibition hall navigation system also comprises a merchant terminal which is arranged on the merchant exhibition booth and is in wireless communication with the cloud server, and the merchant terminal corresponds to the merchant exhibition booth; the method further comprises the steps of:
after receiving the second feedback information, the cloud server also sends an authentication code to the user terminal;
the merchant terminal scans and uploads the authentication code to the cloud server;
and the cloud server authenticates the authentication code and returns an authentication result to the merchant terminal.
In one embodiment: the cloud server is also stored with a fourth database which is used for storing the corresponding relation between the merchant exhibition and the identification code and authentication code of the user terminal;
the method further comprises the steps of:
after receiving the first feedback information, the cloud server forms a first cache library with the identification code of the corresponding user terminal;
the cloud server searches the identification code of the user terminal corresponding to the electronic tag in a first cache library formed in a guide period corresponding to the issuing period when the number of times of continuously receiving the coupling information containing the same electronic tag identification code exceeds a preset number of times in each issuing period, forms a second cache library with the identification code of the user terminal which is successfully searched, and sends promotion information corresponding to the issuing period to the user terminal corresponding to the identification code in the second cache library at the end time of the issuing period;
after each releasing period is finished, the cloud server takes the identification codes of the user terminals in the first cache bank and the second cache bank formed in the releasing period and the corresponding guide period as sub-fields corresponding to the shop exhibition, updates the fourth database, and clears the user codes in the first cache bank and the second cache bank after the releasing period is finished;
the cloud server also updates the fourth database by taking the authentication code as a subfield spread by the merchant when the authentication of the authentication code is successful each time.
In one embodiment: the microgrid node is provided with a node code configured as an identification code of a tag reading head included in the microgrid node, and the coupling information sent by the microgrid node also comprises the signal strength of the coupling between the tag reading head and each electronic tag;
the cloud server also stores a fifth database which comprises an absolute pointing relation of node codes of adjacent micro-grid nodes;
after the cloud server respectively takes the node codes of the microgrid nodes arranged at the exhibition places or the node codes of the microgrid nodes spread by the merchants corresponding to the promotion information as target node codes, the cloud server sends the first navigation information or the second navigation information through the following steps:
the cloud server analyzes the coupling information containing the identification codes of the electronic tags corresponding to the corresponding user terminals each time the coupling information is received so as to obtain node codes of corresponding exhibitors;
after the cloud server obtains the new node codes of the corresponding exhibitors each time, the cloud server calls a fifth database according to the change of the node codes of the exhibitors to obtain the advancing direction of the exhibitors; the cloud server also calls a fifth database to generate a navigation path according to the new node code and the target node code; the traveling direction is an absolute pointing relation between two adjacent node codes, and the navigation path is a shortest adjacent node code sequence from the new node code to a target node code;
and after the cloud server obtains the navigation path every time, calling a fifth database according to the new node code and the navigation path to obtain an absolute pointing relationship between the new node code and the next adjacent node code in the navigation path, combining the absolute pointing relationship and the traveling direction to generate corresponding navigation information, and sending the navigation information to a corresponding user terminal until the node code of a corresponding exhibitor is the same as the target node code.
In one embodiment: after acquiring codes of the exhibitors and the target nodes, the cloud server generates the navigation path through the following steps:
the cloud server calls a fifth database, searches the adjacent node codes of the participants in the fifth database by taking the node codes of the participants as conditions, and repeatedly searches the adjacent node codes obtained by each search in an iterative manner until the target node codes are searched;
and the cloud server forms adjacent node coding sequences from the node codes of the exhibitors to all adjacent node codes between the target node codes which are successfully searched according to the searching sequence, and takes the sequence with the least number of the node codes in each sequence as the navigation path.
In one embodiment: the first navigation information or the second navigation information includes, but is not limited to, the following navigation instructions: forward, backward, left, right.
In one embodiment: the cloud server stores a sixth database which comprises a relative pointing relation between two absolute pointing relations;
and after obtaining the absolute pointing relationship between the traveling direction and the node code of the exhibitor and the next adjacent node code thereof in the navigation path, the cloud server takes the two absolute pointing relationships as conditions, obtains the relative pointing relationship by calling and searching the sixth database, and obtains the relative pointing relationship by searching the relative pointing relationship, so as to form the navigation information.
In one embodiment: the electronic tag and the tag reading head are respectively an RFID tag and an RFID tag reading head.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the exhibition hall navigation method, the cloud server pushes corresponding popularization contents to the user terminal in a staged manner, an intention customer group with higher intention degree is screened out in a staged manner in the interaction process of the cloud server, the micro-grid nodes and the user terminal, and finally exhibitors are guided to corresponding commercial tenants for exhibition through interaction of the micro-grid nodes and the electronic tags to complete guidance;
the exhibitor only receives the promotion content corresponding to the specific period within the specific period, and can capture the intention merchants or exhibits in the exhibition only through interaction between the user terminal and the cloud server, without selecting from a plurality of promotion information one by one, thereby being beneficial to improving the exhibitor efficiency;
for the merchants, the method is used for large-scale pushing during the guiding period, the contents are accurately pushed after being screened for multiple times, the promotion contents can be more accurately and efficiently pushed to the user terminals of potential intention customers by the aid of a layer-by-layer progressive pushing mode, and exhibitors can be quickly and accurately navigated to an exhibition place of an exhibition or a corresponding merchant exhibition through corresponding navigation information before and after the exhibition, so that the exhibitors can accurately arrive at corresponding places on time, the merchants recommend the exhibition and promote orders to be handed over, the potential intention customers are not easy to miss, and efficient and reasonable utilization of exhibition resources in the exhibition is achieved;
(2) in the exhibition hall navigation method provided by the embodiment of the invention, the cloud server sends the authentication code to the user terminal after receiving the second feedback information, so that exhibitors can show the staff for shop exhibition through the user terminal; the merchant terminal scans and uploads the authentication code to the cloud server, and after a positive authentication result is obtained, the merchant redeems promotion activities declared in the promotion information of the merchant terminal to the exhibitor, such as getting related gifts or providing corresponding coupons for the exhibits, so that secondary promotion can be conveniently carried out in the exhibition of the merchant;
(3) in the exhibition hall navigation method of the embodiment of the invention, the guidance effects of the exhibition hall navigation system during the guidance period, the release period and the post-release period corresponding to each merchant are stored in the fourth database, wherein the guidance effects during the guidance period and the release period are respectively embodied by the number of the user terminals corresponding to the identification codes contained in the first cache library and the second cache library, and the guidance effect after the release period is embodied by the number of the authentication codes which are successfully authenticated; according to the data of the fourth database, the exhibition sponsor can receive the points from each merchant and can also provide the data to the merchant for analyzing the recommendation effect in each period;
(4) according to the exhibition hall navigation method, the cloud server analyzes the coupling information, obtains the traveling direction of the exhibitor according to the change of the node codes of the exhibitor after obtaining the new node codes of the exhibitor, and obtains the current optimal navigation path according to the new node codes (current node codes) and the target node codes, so that the path planning time is greatly shortened, and the accuracy is high; after the advancing direction and the navigation path of the exhibitor are obtained, the cloud server generates navigation information corresponding to the current node code of the exhibitor; therefore, the navigation path of the navigation method is updated in real time according to the advancing process of the exhibitor, and the navigation instruction only corresponds to the current node code of the exhibitor, so that the real-time performance is strong;
in addition, the cloud server also combines the two absolute pointing relationships to obtain a relatively concise pointing relationship between the current node code and the next node code in the navigation path, so that the navigation information formed by the pointing relationship is as follows: forward, backward, left, right etc. its meaning is comparatively concise for the personnel of participating in the exhibition can be according to this concise navigation information, follow navigation information and advance comparatively easily, and the followability is preferred.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an exhibition hall navigation system on which the method of the embodiment of the present invention is based;
fig. 2 is a schematic view of an exhibition hall scene when the method of the embodiment of the present invention is implemented.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are presently preferred embodiments of the invention and are not to be taken as an exclusion of other embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the claims, the description and the drawings of the present application, unless expressly defined otherwise, the terms "first", "second" or "third", etc. are used for different objects in a group of holes and are not used to describe a particular order.
In the claims, the specification and the drawings of the present invention, the terms "including", "having" and their variants, if used, are intended to be inclusive and not limiting.
Referring to fig. 1, an exhibition hall navigation system based on a city sensing microgrid is shown, and the system comprises electronic tags, user terminals, microgrid nodes, merchant terminals and a cloud server.
The electronic tags and the user terminals are carried by exhibitors and have unique identification codes, and the electronic tags and the user terminals correspond to each other and the corresponding relation of the electronic tags and the user terminals is stored in the cloud server.
The microgrid nodes are distributed in each merchant exhibition and release station and comprise tag reading heads, the tag reading heads are provided with unique identification codes, and the identification codes are configured into node codes of the microgrid nodes. The tag reading head is used for being coupled with the electronic tags in the sensing range of the tag reading head, and periodically sending coupling information containing identification codes of all the electronic tags coupled with the tag reading head to the cloud server. It goes without saying that the coupling information naturally also contains the identification code of the tag reader, i.e. the node code of the piconet node, so that the cloud server can obtain the transmission source of the coupling information. In a preferred embodiment, the coupling information further includes the signal strength of the coupling between the tag reading head and each electronic tag. In this embodiment, the electronic tag and the tag reading head are an RFID tag and an RFID tag reading head, respectively.
The merchant terminal is arranged in the exhibition booth of the corresponding merchant and also has a unique identification code.
The cloud server is in wireless communication with the user terminal, the micro-grid node and the merchant terminal, and stores a plurality of databases.
The first database comprises a corresponding relation between the electronic tags and the identification codes of the user terminals, so that the cloud server can enable the electronic tags carried by the same exhibitor to correspond to the user terminals; the second database comprises the corresponding relation between the node codes of the micro-grid nodes and the exhibition positions of the merchants so that the server can distinguish the micro-grid nodes arranged at different positions. Because the data structures of the first database and the second database are in one-to-one correspondence relationship, the correspondence relationship is simple and clear, and detailed description of the specific structure is omitted.
For the third database, illustratively, the navigation method of the present invention is intended to guide the potential intention customers of the merchants who open the fair in the exhibition and promote the exhibition recommendation and order bargain of the merchants, so the third database is mainly used for the server to call and obtain the relevant information of the issuing parties of the merchants. Specifically, the method includes the corresponding relationship among the merchant exhibition, the guide period, the release content and the promotion information, wherein the guide period is a reserved period before the start time of the release session, and the release period is a period during which the release session continues. It is self-evident that the end time of the guiding period is the release session start time, the start time of the guiding period is defined by the reserved time length set by human, the start time of the release period is the release session start time, the end time of the release session is the release session end time, for example, the merchant exhibition of merchant a001 is that of merchant a, the corresponding guiding period is 8:30-9:00, and the release time is 9:00-9: 30. In general, there is a possibility that the bootstrapping period corresponding to the B merchant is completely or partially coincident with the issuance period corresponding to the a merchant, but this does not affect the implementation of the present invention. It should be noted that the release content and the promotion information in the third database are both specific promotion content of the merchant, and are used for the cloud server to directly call corresponding content in a corresponding period and to batch-push the content to the user terminal to screen potential intention customers.
In a preferred embodiment, the cloud server further includes a fourth database, a fifth database, and a sixth database, where the fourth database is used to store a corresponding relationship between the merchant exhibition and the identification code and authentication code of the user terminal, the fifth database stores an absolute pointing relationship including node codes of adjacent micro-grid nodes, and the sixth database stores a relative pointing relationship between two absolute pointing relationships. The specific structure and function of the fourth, fifth and sixth databases will be described in detail in connection with the corresponding method embodiments of the present invention.
Based on the exhibition hall navigation system, the embodiment 1 of the invention provides an exhibition hall navigation method based on an urban sensing microgrid, which comprises the following steps:
the cloud server sends corresponding release content to the user terminal at the starting time of each guide period;
the user terminal sends first feedback information to the cloud server aiming at the release content, and the first feedback information is used for indicating that the exhibitor has an intention on the release content and is willing to go to a release meeting exhibition position to participate in a release meeting of a corresponding merchant;
after receiving the first feedback information, the cloud server sends first navigation information to the user terminal according to the received coupling information containing the identification code of the electronic tag corresponding to the corresponding user terminal so as to guide the corresponding exhibitor to move to the release meeting exhibition location;
the method comprises the steps that in each release period, when the times of continuously receiving coupling information which is sent by a microgrid node arranged at a release meeting place and contains identification codes of the same electronic tags exceed preset times, a cloud server searches whether a user terminal corresponding to the electronic tags sends first feedback information in a corresponding guide period or not, and sends corresponding promotion information to a user terminal which is successfully searched at the end time of the release period;
the user terminal sends second feedback information to the cloud server according to the promotion information, wherein the second feedback information is used for indicating that the exhibitor has an intention on the promotion information and is willing to go to a corresponding merchant for exhibition and specific visit of a corresponding exhibit;
and after receiving the second feedback information, the cloud server sends second navigation information to the user terminal according to the received coupling information containing the identification code of the electronic tag corresponding to the corresponding user terminal so as to guide the corresponding exhibitor to travel to the shop exhibition corresponding to the promotion information.
The method divides the guiding process of the exhibitor into a guiding period and a releasing period by the progress node of each merchant releasing meeting. In the guiding period, the cloud server pushes corresponding release contents to all the exhibitors, all the exhibitors are screened for the first time to obtain potential intention customers after screening for the first time, and the potential intention customers are guided for the first time to go to the release exhibition positions for merchants to recommend the potential intention customers for the first time. In the release period, the cloud server carries out secondary screening on the potential intention customers after primary screening according to the continuous meeting time of the exhibitors, and pushes corresponding promotion information again for carrying out tertiary screening on the customers obtained through secondary screening so as to obtain an intention customer group with higher intention degree, and the intention customer group is guided to the corresponding merchant for exhibition through secondary guidance so as to be provided for the merchant to carry out secondary promotion after the release period.
The method is based on an exhibition hall navigation system constructed by a micro-grid, the cloud server pushes corresponding promotion contents to the user terminal in stages, an intention customer group with high intention degree is screened out in stages in the interaction process of the cloud server, the micro-grid nodes and the user terminal, and finally exhibitors are guided to corresponding commercial tenants for exhibition through interaction of the micro-grid nodes and the electronic tags to complete guidance. Therefore, the exhibitor only receives the promotion content corresponding to the specific period in the specific period, and can capture the intention merchants or exhibits in the exhibition only through interaction between the user terminal and the cloud server, without selecting one by one from a plurality of promotion information, thereby being beneficial to improving the exhibitor efficiency; in addition, for the merchants, the method is used for pushing in a large scale during the guiding period, the contents are accurately pushed after being screened for multiple times, the promotion contents can be more accurately and efficiently pushed to the user terminals of potential intention customers by the aid of a layer-by-layer progressive pushing mode, and exhibitors can be quickly and accurately navigated to the exhibition places of the release meetings or the corresponding merchant exhibitions through corresponding navigation information before and after the release meetings, so that the exhibitors can accurately arrive at the corresponding places on time to promote the merchants; potential intention customers are not easy to miss, and efficient and reasonable utilization of the release meeting resources in the exhibition is achieved.
The method of embodiment 2 of the present invention further includes the following steps based on the above embodiment 1:
after receiving the second feedback information, the cloud server also sends an authentication code to the user terminal, wherein the authentication code is used for being displayed to the staff for shop exhibition by the exhibitor through the user terminal and can adopt a two-dimensional code form;
the merchant terminal scans and uploads the authentication code to the cloud server;
the cloud server authenticates the authentication code and returns an authentication result to the merchant terminal; when the authentication result is positive, the merchant redeems the promotion activities declared in the promotion information of the merchant to the exhibitor, such as getting related gifts or providing corresponding coupons for the exhibits, and the like, so that the merchant can conveniently carry out secondary promotion in the exhibition of the merchant.
On the basis of embodiment 2, the method of embodiment 3 of the present invention further includes the steps of:
after receiving the first feedback information, the cloud server forms a first cache library with the identification code of the corresponding user terminal;
the cloud server searches the identification code of the user terminal corresponding to the electronic tag in a first cache library formed in a guide period corresponding to the issuing period when the number of times of continuously receiving the coupling information containing the same electronic tag identification code exceeds a preset number of times in each issuing period, forms a second cache library with the identification code of the user terminal which is successfully searched, and sends promotion information corresponding to the issuing period to the user terminal corresponding to the identification code in the second cache library at the end time of the issuing period;
after each releasing period is finished, the cloud server takes the identification codes of the user terminals in the first cache bank and the second cache bank formed in the releasing period and the corresponding guide period as sub-fields corresponding to the shop exhibition, updates the fourth database, and clears the user codes in the first cache bank and the second cache bank after the releasing period is finished;
the cloud server also updates the fourth database by taking the authentication code as a subfield spread by the merchant when the authentication of the authentication code is successful each time.
The embodiment 3 is used for storing the guiding effect of the exhibition hall navigation system in the fourth database during the guiding period, the releasing period and the post-releasing period corresponding to each business, wherein the guiding effect during the guiding period and the releasing period is represented by the number of the user terminals corresponding to the identification codes contained in the first cache library and the second cache library respectively, and the guiding effect after the releasing period is represented by the number of the authentication codes which are successfully authenticated. Based on the data in the fourth database, the exhibition sponsor may receive the points from the merchants, and may also provide the points to the merchants for analysis of the recommendation effect during the periods.
For the cloud server to provide corresponding first navigation information or first navigation information for the exhibitor, the embodiments of the present invention are preferably implemented by the following methods:
after the cloud server respectively takes the node codes of the micro-grid nodes arranged at the exhibition places or the node codes of the micro-grid nodes arranged at the shop exhibition corresponding to the promotion information as target node codes, the following steps are executed to provide corresponding navigation information for the exhibitors:
step 1: the cloud server analyzes the coupling information containing the identification codes of the electronic tags corresponding to the corresponding user terminals each time the coupling information is received so as to obtain node codes of corresponding exhibitors;
step 2: after the cloud server obtains the new node codes of the corresponding exhibitors each time, the cloud server calls a fifth database according to the change of the node codes of the exhibitors to obtain the advancing direction of the exhibitors; the cloud server also calls a fifth database to generate a navigation path according to the new node code and the target node code; the traveling direction is an absolute pointing relation between two adjacent node codes, and the navigation path is a shortest adjacent node code sequence from the new node code to a target node code;
and step 3: and after the cloud server obtains the navigation path every time, calling a fifth database according to the new node code and the navigation path to obtain an absolute pointing relationship between the new node code and the next adjacent node code in the navigation path, combining the absolute pointing relationship and the traveling direction to generate corresponding navigation information, and sending the navigation information to a corresponding user terminal until the node code of a corresponding exhibitor is the same as the target node code.
According to the navigation method, after the node codes of the exhibitors are obtained, the cloud server analyzes the coupling information containing the corresponding electronic tags to obtain the node codes and the traveling direction of the exhibitors, and corresponding navigation paths and navigation information are generated each time a new node code of the exhibitors is obtained, so that the exhibitors can rapidly travel to a target location through accurate and concise navigation instructions in the traveling process.
Specifically, taking fig. 2 as an example, a specific implementation manner of the above steps is specifically described. The open triangles in fig. 2 represent the nodes of the microgrid arranged at the exhibition places of the merchants, the solid triangles represent the nodes of the microgrid arranged at the exhibition places of the release, and the numbers nearby represent the node codes of the nodes. In fig. 2, node codes of adjacent piconet nodes are defined as the adjacent node codes, and absolute pointing relationships between the adjacent node codes are stored in the fifth database.
In step 1, since the tag reading head has an induction range, in the invention, the tag reading head is generally set to be 3-5m, so that when a exhibitor is located at a certain map position, the cloud server analyzes the signal intensity of coupling information sent by a plurality of microgrid nodes by receiving the coupling information, and calculates the microgrid node closest to the exhibitor by applying a three-point positioning algorithm, and takes the node code as the current node code of the exhibitor.
In step 2, after the new node codes are obtained each time, the cloud server obtains the nominal traveling direction of the exhibitor through the change of the node codes, for example, in fig. 2, the microgrid node 5 points to the microgrid node 6, or the microgrid node 6 points to the microgrid node 5, and then the cloud server obtains the absolute pointing relationship, that is, the traveling direction, by calling a fifth database. In this embodiment, the absolute pointing relationships include north, south, east, and west.
A part of the fifth database in the present embodiment is shown below in the form of table 1.
TABLE 1
In addition, in step 2, after the cloud server obtains the node codes of the exhibitors, the navigation path is generated through the following steps:
and the cloud server calls a fifth database, searches the adjacent node codes in the fifth database by taking the node codes of the exhibitors as conditions, and repeatedly searches the adjacent node codes in the fifth database by taking the adjacent node codes obtained by each search as conditions until the target node codes are searched.
And the cloud server forms adjacent node coding sequences from the node codes of the exhibitors to all adjacent node codes between the target node codes which are successfully searched according to the searching sequence, and takes the sequence with the least number of the node codes in each sequence as the navigation path.
Subsequently, in step 3, the cloud server calls the fifth database again to obtain an absolute pointing relationship between the new node code and its next adjacent node code in the navigation path, which combines the absolute pointing relationship and the traveling direction to generate corresponding navigation information. Specifically, it can be realized by:
and after obtaining the absolute pointing relationship between the node code of the traveling direction sum and the next adjacent node code of the node code in the navigation path, the cloud server takes the two absolute pointing relationships as conditions, obtains the relative pointing relationship by calling the sixth database and searching in the sixth database, and obtains the relative pointing relationship by searching to form the navigation instruction.
A sixth database of a part of the present embodiment is shown below in the form of table 2.
TABLE 2
Therefore, the navigation information sent by the cloud server of the invention comprises: forward, backward, left, right, its meaning is comparatively concise, even if also can be according to this succinct navigation information comparatively easily follow the navigation information and go on when the personnel of participating in the exhibition can't learn its absolute position, following nature is preferred. In addition, in the embodiment, the cloud server stores the sixth database, and when the cloud server performs conversion of the relative orientation relation between the two absolute orientation relations, the cloud server can directly perform conversion by retrieving the sixth database, so that the calculation amount is small; because the absolute pointing relationships in the three-dimensional coordinate system are less in types, the data structure is simple, the capacity of the database is less, and the establishing process is easier.
The description of the above specification and examples is intended to be illustrative of the scope of the present invention and is not intended to be limiting. Modifications, equivalents and other improvements which may occur to those skilled in the art and which may be made to the embodiments of the invention or portions thereof through a reasonable analysis, inference or limited experimentation, in light of the common general knowledge, the common general knowledge in the art and/or the prior art, are intended to be within the scope of the invention.
Claims (8)
1. The exhibition hall navigation method based on the city perception microgrid is characterized in that the method is based on an exhibition hall navigation system and comprises the following steps:
an electronic tag carried by a exhibitor;
a user terminal corresponding to the electronic tag and also carried by the exhibitor;
the micro-grid node is arranged at each merchant exhibition and release meeting place, comprises a tag reading head and is used for being coupled with the electronic tags and periodically sending coupling information containing identification codes of all the electronic tags coupled with the electronic tags;
the cloud server is in wireless communication with the user terminal and the microgrid node and receives the coupling information; the system is characterized by further storing a plurality of databases, wherein the first database comprises the corresponding relation between electronic tags and user terminals, the second database comprises the corresponding relation between each microgrid node and a merchant exhibition or release meeting place, and the third database comprises the corresponding relation between the merchant exhibition, a guide period, a release period, release contents and promotion information;
the method comprises the following steps:
the cloud server sends corresponding release content to the user terminal at the starting time of each guide period;
the user terminal sends first feedback information to the cloud server aiming at the release content;
after receiving the first feedback information, the cloud server sends first navigation information to the user terminal according to the received coupling information containing the identification code of the electronic tag corresponding to the corresponding user terminal so as to guide the corresponding exhibitor to move to the release meeting exhibition location;
the method comprises the steps that in each release period, when the times of continuously receiving coupling information which is sent by a microgrid node arranged at a release meeting place and contains identification codes of the same electronic tags exceed preset times, a cloud server searches whether a user terminal corresponding to the electronic tags sends first feedback information in a corresponding guide period or not, and sends corresponding promotion information to a user terminal which is successfully searched at the end time of the release period;
the user terminal sends second feedback information to the cloud server according to the promotion information;
and after receiving the second feedback information, the cloud server sends second navigation information to the user terminal according to the received coupling information containing the identification code of the electronic tag corresponding to the corresponding user terminal so as to guide the corresponding exhibitor to travel to the shop exhibition corresponding to the promotion information.
2. The method of claim 1, wherein: the exhibition hall navigation system also comprises a merchant terminal which is arranged on the merchant exhibition booth and is in wireless communication with the cloud server, and the merchant terminal corresponds to the merchant exhibition booth; the method further comprises the steps of:
after receiving the second feedback information, the cloud server also sends an authentication code to the user terminal;
the merchant terminal scans and uploads the authentication code to the cloud server;
and the cloud server authenticates the authentication code and returns an authentication result to the merchant terminal.
3. The method of claim 2, wherein: the cloud server is also stored with a fourth database which is used for storing the corresponding relation between the shop exhibition and the identification code and authentication code of the user terminal;
the method further comprises the steps of:
after receiving the first feedback information, the cloud server forms a first cache library with the identification code of the corresponding user terminal;
the cloud server searches the identification code of the user terminal corresponding to the electronic tag in a first cache library formed in a guide period corresponding to the issuing period when the number of times of continuously receiving the coupling information containing the same electronic tag identification code exceeds a preset number of times in each issuing period, forms a second cache library with the identification code of the user terminal which is successfully searched, and sends promotion information corresponding to the issuing period to the user terminal corresponding to the identification code in the second cache library at the end time of the issuing period;
after each releasing period is finished, the cloud server takes the identification codes of the user terminals in the first cache bank and the second cache bank formed in the releasing period and the corresponding guide period as sub-fields corresponding to the shop exhibition, updates the fourth database, and clears the user codes in the first cache bank and the second cache bank after the releasing period is finished;
the cloud server also updates the fourth database by taking the authentication code as a subfield spread by the merchant when the authentication of the authentication code is successful each time.
4. The method of claim 1, wherein: the microgrid node is provided with a node code configured as an identification code of a tag reading head included in the microgrid node, and the coupling information sent by the microgrid node also comprises the signal strength of the coupling between the tag reading head and each electronic tag;
the cloud server also stores a fifth database which comprises an absolute pointing relation of node codes of adjacent micro-grid nodes;
after the cloud server respectively takes the node codes of the microgrid nodes arranged at the exhibition places or the node codes of the microgrid nodes spread by the merchants corresponding to the promotion information as target node codes, the cloud server sends the first navigation information or the second navigation information through the following steps:
the cloud server analyzes the coupling information containing the identification codes of the electronic tags corresponding to the corresponding user terminals each time the coupling information is received so as to obtain node codes of corresponding exhibitors;
after the cloud server obtains the new node codes of the corresponding exhibitors each time, the cloud server calls a fifth database according to the change of the node codes of the exhibitors to obtain the advancing direction of the exhibitors; the cloud server also calls a fifth database to generate a navigation path according to the new node code and the target node code; the traveling direction is an absolute pointing relation between two adjacent node codes, and the navigation path is a shortest adjacent node code sequence from the new node code to a target node code;
and after the cloud server obtains the navigation path every time, calling a fifth database according to the new node code and the navigation path to obtain an absolute pointing relationship between the new node code and the next adjacent node code in the navigation path, combining the absolute pointing relationship and the traveling direction to generate corresponding navigation information, and sending the navigation information to a corresponding user terminal until the node code of a corresponding exhibitor is the same as the target node code.
5. The method of claim 4, wherein the cloud server generates the navigation path by obtaining codes of exhibitors and target nodes by:
the cloud server calls a fifth database, searches the adjacent node codes of the participants in the fifth database by taking the node codes of the participants as conditions, and repeatedly searches the adjacent node codes obtained by each search in an iterative manner until the target node codes are searched;
and the cloud server forms adjacent node coding sequences from the node codes of the exhibitors to all adjacent node codes between the target node codes which are successfully searched according to the searching sequence, and takes the sequence with the least number of the node codes in each sequence as the navigation path.
6. The method for stadium navigation according to any one of claims 1 or 4, wherein the first or second navigation information includes, but is not limited to, the following navigation instructions: forward, backward, left, right.
7. The method of claim 6, wherein: the cloud server stores a sixth database which comprises a relative pointing relation between two absolute pointing relations;
and after obtaining the absolute pointing relationship between the traveling direction and the node code of the exhibitor and the next adjacent node code thereof in the navigation path, the cloud server takes the two absolute pointing relationships as conditions, obtains the relative pointing relationship by calling and searching the sixth database, and obtains the relative pointing relationship by searching the relative pointing relationship, so as to form the navigation information.
8. The method of claim 1, wherein: the electronic tag and the tag reading head are respectively an RFID tag and an RFID tag reading head.
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