CN110958235A - Intelligent distributed book searching navigation system - Google Patents
Intelligent distributed book searching navigation system Download PDFInfo
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- CN110958235A CN110958235A CN201911165693.9A CN201911165693A CN110958235A CN 110958235 A CN110958235 A CN 110958235A CN 201911165693 A CN201911165693 A CN 201911165693A CN 110958235 A CN110958235 A CN 110958235A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/35—Network arrangements, protocols or services for addressing or naming involving non-standard use of addresses for implementing network functionalities, e.g. coding subscription information within the address or functional addressing, i.e. assigning an address to a function
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/024—Guidance services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses an intelligent distributed book searching navigation system which comprises the following design steps that 1) photoelectric guide devices are installed on the side surface of each row of bookshelf in a layered mode and are connected with a single chip microcomputer on the bookshelf, and the single chip microcomputer is preset with address codes; 2) the multiple single-chip microcomputers are connected with the PC to form a master-slave network communication structure; 3) the PC is connected with the server through the Internet; presetting a bookshelf number by the PC; 4) the server is connected with the client through the Internet, and the client program is installed on the mobile phone or the computer; the client accesses the existing book management system; 5) when a user inquires books at a client, book information is exchanged among the client, the server, the PC and the single chip microcomputer, after the inquiry is finished, the PC displays the books to be searched, and the photoelectric guide device prompts the positions of the books to be searched. The method has the advantages of realizing navigation in the library and helping a user to quickly, simply and conveniently find the needed books.
Description
Technical Field
The invention relates to the field of library intelligent management, in particular to an intelligent distributed book searching navigation system.
Background
The indoor navigation technologies attempted to be used by the library at present mainly include WIFI, Beacon, RFID, NFC, and the like, or a combination of these methods. The most widely used indoor navigation technology is the WIFI positioning technology, the WIFI positioning precision is improved through a triangular positioning algorithm and a fingerprint identification algorithm, the positioning precision of 3m-10m can be realized by combining sensors such as a mobile communication base station and an electronic gyroscope in a mobile terminal, the positioning navigation of a functional area can be realized in a library, but the positioning navigation technology is difficult to use in a bookshelf area due to insufficient precision.
Along with the continuous development of Beacon technology, the bluetooth positioning function is more and more mature, especially the indoor location within a meter can be realized to bluetooth 5.0 technique combination WIFI, but in the steel bookshelf region of relative complicacy, wireless signal such as WIFI and bluetooth is blockked easily, absorb and reflect, make positioning accuracy reduce, even these navigation techniques can realize the location navigation of a meter in the bookshelf region, the reader will be faced one meter within range around, almost have one, twenty layers books of several hundred books, it is not an easy thing to find the target yet, if because the error is navigated to adjacent one row, will mislead the user, make it can not find the book at all. Meanwhile, the navigation technology for the trial use in the current library only navigates on one plane, only has two data of longitude and latitude, and only needs to add one height data to realize the three-dimensional navigation to the bookshelf layer, which is difficult.
Disclosure of Invention
The invention provides a three-dimensional book positioning navigation system for realizing the accuracy of a bookshelf layer, which is convenient for a user to accurately and quickly find a book. The technical proposal is that the method comprises the following steps,
an intelligent distributed book searching navigation system comprises the following design steps:
1) the side surface of each row of bookshelf is provided with a photoelectric guide device in a layering way, the photoelectric guide device is connected with a single chip microcomputer on the bookshelf, and the single chip microcomputer is preset with an address code;
2) the plurality of single-chip microcomputers are connected with a PC (personal computer) hung at the bookshelf end through a serial communication circuit to form a master-slave network communication structure;
3) the PC at the bookshelf end is connected with the server through the Internet; presetting a bookshelf number by the PC;
4) the server is connected with a plurality of clients through the Internet, and a client program is installed on a mobile phone or a computer; the client accesses the existing book management system;
5) when a user inquires books at a client, book information is transmitted among the client, the server, the PC and the single chip microcomputer, after the inquiry is finished, the PC displays the books to be searched, and the photoelectric guide device prompts the positions of the books to be searched.
After the PC is started, the IP address, the port number and the bookshelf number of the PC are fed back to the server, and the server generates an address comparison table according to the IP address, the port number and the bookshelf number; and after receiving the book information sent by the customer service end, the server sends the book information to the corresponding PC according to the address comparison table.
The book information comprises book position codes and book index contents, when the PC receives the book information sent by the server, the corresponding PC display screen can display all the book index contents on the controlled bookshelf, a book to be searched is clicked, the PC processes the book position codes and then sends the book position codes to the single chip microcomputer, and the single chip microcomputer is compared with the address codes of the local computer to judge whether the book information is received or not; when the single chip receives the book position code, the single chip sends notification information to the PC, and drives the photoelectric guide device to guide the user.
The communication among the server, the client and the PC adopts a TCP protocol, a multithreading technology is used, and information exchange among data is realized through Socket; the server establishes a Server socket real-time monitoring service port so that the client can be accessed at any time; the Socket of the client is short connection, and the Socket of the PC is long connection.
The singlechip adopts a serial port communication working mode 1, 8-bit UART, and the Baud rate is set to 9600 bps; one frame of data has one start bit, one address data representation bit, seven bit data bits and one stop bit; the number of the bookshelf columns is BCD (binary coded decimal) coding, the first 7-bit binary system is taken as the address code of the single chip microcomputer after one is subtracted, and 1111111 is the address code of the PC (personal computer).
The operation process of the PC and the singlechip is as follows: during communication, the PC firstly sends an address frame, then delays to wait for the receiving and the identification of the singlechip, and sends a data frame after the delay is finished. The single chip compares the book position code with the address code of the machine, if the book position code is the same with the address code of the machine, the data frame is received and processed, the address frame of the PC is sent after the processing is finished, and if the sent address frame is not received by the PC within a certain time, error information is prompted and the communication is ended.
The PC is connected with the singlechip through an RS485 serial bus, and the RS485 adopts a half-duplex communication mode; the PC is provided with a USB interface, and the book position code is transmitted to the RS485 interface circuit through the USB interface of the PC.
Advantageous effects
The system innovatively utilizes a C/S network architecture and an RS485 serial communication technology to transmit the position information of the books to the single chip microcomputer system in a grading manner, the single chip microcomputer drives the photoelectric device to emit light to guide a user to reach the positions of the books, and three-dimensional book positioning navigation accurate to a bookshelf layer is realized; through the system, a user can conveniently, accurately and quickly find a needed book without the help of a book classification method.
Drawings
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a flow chart of a server main program;
FIG. 3 is a flow chart of server monitoring data;
FIG. 4 is a flow chart of PC control;
FIG. 5 is a circuit diagram of an RS485 interface;
FIG. 6 is a circuit diagram of a single chip microcomputer;
fig. 7 is a driving circuit diagram of the photoelectric guiding device.
Detailed Description
In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings of fig. 1-7.
An intelligent distributed book searching navigation system is characterized in that: the design steps comprise:
1) photoelectric guide devices are installed on the side face of each row of bookshelf in a layered mode and connected with a single chip microcomputer on the bookshelf through a driving circuit, and the single chip microcomputer is preset with address codes and is shown in figure 7;
2) a plurality of single-chip microcomputers are connected with a PC (personal computer) hung at the bookshelf end through a serial communication circuit to form a master-slave network communication structure, which is shown in figure 1;
3) the PC at the bookshelf end is connected with the server through the Internet; presetting a bookshelf number by the PC;
4) the server is connected with a plurality of clients through the Internet, and a client program is installed on a mobile phone or a computer; the client accesses to the existing book management system;
5) when a user inquires books at a client, book information is transmitted among the client, the server, the PC and the single chip microcomputer, after the inquiry is finished, the PC displays the books to be searched, and the photoelectric guide device prompts the positions of the books to be searched.
After the PC is started, the IP address, the port number and the bookshelf number of the PC are fed back to the server, and the server generates an address comparison table according to the IP address, the port number and the bookshelf number; and after receiving the book information sent by the customer service end, the server sends the book information to the corresponding PC according to the address comparison table.
The book information comprises a book position code and book index contents, the book index contents comprise book names, authors, publishing houses and publishing dates, and the book position code adopts data in the existing book management system; after the PC receives the book information sent by the server, the corresponding PC display screen can display all book index contents on the controlled bookshelf, a book to be searched is clicked, the PC processes the book position code and then sends the book position code to the single chip microcomputer, and the single chip microcomputer is compared with the address code of the local computer to judge whether the book is received or not; when the single chip receives the book position code, the single chip sends notification information to the PC, and drives the photoelectric guide device to guide the user.
The server and the client adopt a TCP protocol, and realize information exchange between data through Socket by using a multithreading technology; the server establishes a ServerSocket real-time monitoring service port so that the client can be accessed at any time, which is shown in fig. 2-3; the Socket of the client is short connection, and the Socket of the PC is long connection.
The PC is connected with the singlechip through an RS485 serial bus, and the RS485 adopts a half-duplex communication mode; the PC is provided with a USB interface, and the book position code is transmitted to the RS485 interface circuit through the USB interface of the PC; when the conversion is carried out between the USB interface and the RS485 interface, the USB serial bus signal is converted into a TTL level signal firstly, and then is converted into an RS485 level signal, a special USB conversion chip can be used for level conversion between the USB serial bus signal and the RS485, the conversion chip comprises CH340 and CH341, and MAX485 and MAX487 chips can be used for conversion between the TTL and the RS 485.
The singlechip adopts a serial port communication working mode 1, 8-bit UART, and the Baud rate is set to 9600 bps. One frame data has one start bit, one address data representing bit, 1 representing address, 0 representing data, seven bit data bit and one stop bit, 10 bits in total; the number of the bookshelf columns is BCD (binary coded decimal) coding, the first 7-bit binary system is taken as the address code of the single chip microcomputer after one is subtracted, and 1111111 is the address code of the PC (personal computer).
The operation process of the PC and the singlechip is as follows: during communication, the PC firstly sends an address frame, then delays to wait for the receiving and identification of the single chip microcomputer, and sends a data frame after the delay is finished, the single chip microcomputer compares the book position code with the address code of the PC, if the book position code is the same as the address code of the single chip microcomputer, the data frame is received and processed, the PC address frame is sent after the processing is finished, and if the PC does not receive the sent address frame within a certain time, error information is prompted and the communication is finished, as shown in FIG. 4.
In the embodiment shown in fig. 6, the single chip microcomputer in the embodiment adopts STC90C52, which has an 8K EEPROM program memory, and is completely compatible with 51 series single chip microcomputers, a port P2.0 of the single chip microcomputer is connected with a transceiving control port of an RS485 chip, and ports P3.0 and P3.1 are serial communication interfaces of the single chip microcomputer and are connected to corresponding ports of the RS485 chip; P0.0-P0.7 of the singlechip is connected with a dial switch and used for expressing the address code of the singlechip, and the address can also be stored in an external EEPROM or an internal program, and the dial switch can be used for conveniently changing the address code at any time; the PC sends the book position code to the single chip after processing.
The J1 interface of the circuit is connected with the RS485 serial bus, the pins 2 and 3 of the chip are connected with the pin P2.0 of the single chip, the pin 1 of the chip is connected with the pin P3.0 of the single chip, and the pin 2 of the chip is connected with the pin P3.1 of the single chip. The RS485 bus may have 32 transceivers attached, the PC interface occupies one, the remaining 31 controllable 124 book shelves, or MAX487 chips may be used, and at this time, 128 transceivers may be attached to one RS485 bus, as shown in fig. 5.
In the embodiment, the book position is a 4-floor 1 area, 17 rows of A surfaces and 11 columns of 3 layers, the book position code is 0401170113, the coding mode is shown in the table I, the front surface of the bookshelf is the A surface and is indicated by 0, the back surface of the bookshelf is the B surface and is indicated by 1, 040117 is the corresponding bookshelf number, and the PC machine processes the last four 0113 of the book position code and sends the processed result to the singlechip system.
Coding mode of table-book position code
| First and second position | The third four bit | The fifth sixth position | Seventh position | Eighth nine position | The tenth position |
| Floor level | Region(s) | Row number | AB noodle | Column number | Layer number |
The three-bit binary number of the bookshelf layer can be directly output to ports P1.0, P1.1 and P1.2 of the single chip microcomputer, then the three-eight decoder is used for decoding and controlling a driving circuit behind the single chip microcomputer, an indicating circuit of each layer is driven, P1.3-P1.6 are respectively connected with a chip selection port of the decoder, one decoder corresponds to one surface of one row of bookshelf, if one single chip microcomputer controls two rows of four-sided bookshelves, the selected surface is determined by the bit shown by an AB surface and the last bit obtained by subtracting 1 from the row number, the control mode of the four rows of bookshelves is shown in the table II, and a data frame received by the single chip microcomputer consists of 5-bit effective binary numbers which are: the AB surface of the bookshelf represents the position, the last position after the number of columns is reduced by 1, and the number of layers is expressed by three positions; the bookshelf layer is put into the data frame after the layer number is reduced by one similarly, so that the effective data frame transmitted to the single chip microcomputer by the PC in the embodiment is 00010, the single chip microcomputer is compared with the address code of the single chip microcomputer after receiving the address frame transmitted by the PC, and when the effective data frame is the same as the address frame, the corresponding indicating circuit is driven, books in the embodiment are placed on three layers of the bookshelf, and at the moment, the L3 is lightened, as shown in FIG. 7.
Control mode of watch-two bookshelf column
| AB Table indication bit | Last digit of column number minus one | Book shelf row |
| 0 | 0 | First row A surface |
| 0 | 1 | First row of |
| 1 | 0 | Second row of A |
| 1 | 1 | Second row of B surfaces |
The present application uses specific examples to explain the principles and embodiments of the present invention, and the above descriptions of the embodiments are only used to help understand the method and the core idea of the present invention. It should be noted that, to those skilled in the art, numerous changes and modifications can be made without departing from the spirit of the invention, which will fall within the scope of the appended claims, and it will be apparent to those skilled in the art from this disclosure that the above-described descriptions of the disclosed embodiments can be implemented or used by those skilled in the art without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An intelligent distributed book searching navigation system is characterized in that: the design steps comprise:
1) the method comprises the following steps that a photoelectric guide device is installed on the side face of each row of bookshelf in a layered mode and is connected with a single chip microcomputer on the bookshelf, and the single chip microcomputer is preset with address codes;
2) the single-chip microcomputers are connected with a PC (personal computer) hung at the bookshelf end through a serial communication circuit to form a master-slave network communication structure;
3) the PC at the bookshelf end is connected with the server through the Internet; the PC is preset with a bookshelf number;
4) the server is connected with a plurality of clients through the Internet, and a client program is installed on a mobile phone or a computer; the client accesses to the existing book management system;
5) when a user inquires books at a client, book information is transmitted among the client, the server, the PC and the single chip microcomputer, after the inquiry is finished, the PC displays the books to be searched, and the photoelectric guide device prompts the positions of the books to be searched.
2. The intelligent distributed book searching navigation system according to claim 1, wherein: after the PC is started, the IP address, the port number and the bookshelf number of the PC are fed back to the server, and the server generates an address comparison table according to the IP address, the port number and the bookshelf number; and after receiving the book information sent by the customer service end, the server sends the book information to the corresponding PC according to the address comparison table.
3. The intelligent distributed book searching navigation system according to claim 1, wherein: the book information comprises book position codes and book index contents, when the PC receives the book information sent by the server, the corresponding PC display screen can display all the book index contents on the controlled bookshelf, a book to be searched is clicked, the PC processes the book position codes and then sends the book position codes to the single chip microcomputer, and the single chip microcomputer is compared with the address codes of the local computer to judge whether the book information is received or not; when the single chip receives the book position code, the single chip sends notification information to the PC, and drives the photoelectric guide device to guide the user.
4. The intelligent distributed book searching navigation system according to claim 1, wherein: the communication among the server, the client and the PC adopts a TCP protocol, a multithreading technology is used, and information exchange among data is realized through Socket; the server establishes a Server socket real-time monitoring service port so that the client can be accessed at any time; the Socket of the client is short connection, and the Socket of the PC is long connection.
5. The intelligent distributed book-searching navigation system according to claim 1, wherein: the single chip microcomputer adopts a serial port communication working mode 1, 8-bit UART, and the Baud rate is set to 9600 bps; one frame of data has one start bit, one address data representation bit, seven bit data bits and one stop bit; the number of the bookshelf columns is BCD (binary coded decimal) coding, the first 7-bit binary system is taken as the address code of the single chip microcomputer after one is subtracted, and 1111111 is the address code of the PC (personal computer).
6. The intelligent distributed book searching navigation system according to claim 5, wherein: during communication, the PC firstly sends an address frame, then delays to wait for the receiving and the identification of the singlechip, and sends a data frame after the delay is finished. The single chip compares the book position code with the address code of the machine, if the book position code is the same with the address code of the machine, the data frame is received and processed, the address frame of the PC is sent after the processing is finished, and if the sent address frame is not received by the PC within a certain time, error information is prompted and the communication is ended.
7. The intelligent distributed book searching navigation system according to claim 3, wherein: the PC is connected with the singlechip through an RS485 serial bus, and the RS485 adopts a half-duplex communication mode; the PC is provided with a USB interface, and the book position code is transmitted to the RS485 interface circuit through the USB interface of the PC.
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| CN201911165693.9A CN110958235A (en) | 2019-11-25 | 2019-11-25 | Intelligent distributed book searching navigation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113888817A (en) * | 2021-11-05 | 2022-01-04 | 德明通讯（上海）股份有限公司 | POS machine system and method supporting face recognition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113888817A (en) * | 2021-11-05 | 2022-01-04 | 德明通讯（上海）股份有限公司 | POS machine system and method supporting face recognition |
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Application publication date: 20200403 |