CN201548961U

CN201548961U - Portable bus transfer information inquiry unit

Info

Publication number: CN201548961U
Application number: CN2009202652837U
Authority: CN
Inventors: 罗文辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-16
Filing date: 2009-12-16
Publication date: 2010-08-11
Anticipated expiration: 2019-12-16

Abstract

The utility model relates to the technical field of electronic devices, in particular to a portable bus transfer information inquiry unit which comprises a memory, a display module, an input module, a universal serial bus interface module and a central processing module, wherein the memory stores the result information of a bus transfer scheme between any two stations in a city; the central processing module retrieves the transfer scheme pre-stored in the memory after receiving the pinyin initials of a starting station name and a target station name needing to be inquired and input by a user, thus finding out an optimal transfer scheme for fastest arriving at the target station, omitting a great amount of operation for searching the transfer scheme in real time when a user is in inquiring, being fast in speed while being undemanding on the processing capacity of a central processor, being simple for system realization while being undemanding on the whole hardware, having low production cost, stronger implementability, and convenient use as a user can inquiry the information such as bus transfer and the like at any time and any place.

Description

Portable Bus Transfer Information inquiry unit

Technical field:

The utility model relates to the electronic installation technical field, particularly a kind of portable Bus Transfer Information inquiry unit.

Background technology:

Along with the continuous quickening of Chinese Urbanization step, the continuous increase of urban population has brought huge pressure to the traffic system in city, and government vigorously advocates citizens' activities and takes public transport, and urban mass-transit system is also constantly developed.But facing to numerous public bus network direction boards, but do not know how to change trains or buses to arrive purpose website or the fastest arrival purpose website, so a kind of equipment that can inquire about optimum Public Transport Transfer scheme in real time becomes a kind of market demand.But existing technical scheme is not to carry inconvenience, is exactly system complex, and production cost height or use-pattern complexity are unfavorable for implementing and popularizing.Such as number of patent application is 200610157719.1, name is called the Chinese patent of portable public transportation information inquiry machine, this public transportation information inquiry machine be earlier with the information stores of each bus station and bus routes on storer, utilize the application program under the support of Windows CE operating system to search for the transfer route of initial website in real time to the purpose website, move this operating system and application program to hardware requirement than higher, the user is when inquiry, the route of search Public Transport Transfer in real time needs through a large amount of and heavy computings, this a large amount of and heavy computing is to need the support of hardware such as advanced central processing unit and internal storage just can finish, inquiry velocity is slow, production cost is higher, is unfavorable for popularizing of product.

The utility model content:

The purpose of this utility model is at the deficiencies in the prior art, provides that a kind of system is simple, production cost is low, easy to carry, the portable Bus Transfer Information inquiry unit that can inquire optimum Public Transport Transfer scheme quickly and easily.

For achieving the above object, the utility model adopts following technical scheme:

Portable Bus Transfer Information inquiry unit, it includes display module and the central processing module that is used for display message, display module connects central processing module, it also comprises the storer that stores the Public Transport Transfer scheme object information between any two websites in the city, the load module that is used to receive user's input information, storer is connected central processing module respectively with load module, shows with input information corresponding Public Transport Transfer scheme object information and by display module in the information retrieval storer of central processing module according to the load module input.

Described central processing module is 8 single-chip microcomputers.

It is the single-chip microcomputer of AT89C51 that described central processing module adopts model.

Also include the USB (universal serial bus) module that is used for carrying out exchanges data with computing machine.

Definite key, the letter/number key that between the letter and number input, switches that described load module includes the directionkeys operated up and down, confirm selected content, be used to return returning/delete key of previous menu or deletion input content.

The utility model beneficial effect is: the utility model includes display module and the central processing module that is used for display message, display module connects central processing module, it also comprises the storer that stores the Public Transport Transfer scheme object information between any two websites in the city, be used to receive the load module of user's input information, storer is connected central processing module respectively with load module, after central processing module receives the initial website that will inquire about and purpose site name first letter of pinyin of user's input by load module, change into site number, retrieval is stored in the transfer plan in the storer in advance again, thereby find the fastest optimum transfer plan that arrives the website that will go, compare with traditional technology, the utlity model has following advantage:

1, be stored in the Public Transport Transfer scheme object information in certain city in the storer in advance, can save the user and when inquiry, just search for a large amount of and heavy computing of Public Transport Transfer route in real time, this a large amount of and heavy computing is to need the support of hardware such as advanced central processing unit and internal storage just can finish, though Public Transport Transfer scheme object information is stored in advance needs jumbo storer in the storer, but there has not been a production technology difficult problem in mass storage now, so its cost is also cheaper, and along with the development of technology, its cost also can be more and more lower, though its price volalility is bigger, but still maintain a lower level generally, add and used database technology and suitable data compression technique, reduce requirement greatly memory capacity;

2, be stored in Public Transport Transfer scheme object information in the storer in advance, when user inquiring, central processing unit only need do the searching database computing and the computing of decompression transfer plan object information just can be finished user's query manipulation, its speed is fast, less demanding to central processing unit, 8 common single-chip microcomputers just can be competent at;

3, the realization of system is simple, not high to hardware requirement, only need 8 single-chip microcomputers, mass storage, monochromatic matrix liquid-crystal display screen, input button and be used for the more USB (universal serial bus) module of new data, so production cost is low, and inquiry velocity is fast, has stronger exploitativeness and popularization;

4, by this requestor, the user can inquire about information such as Public Transport Transfer whenever and wherever possible, carries with easy to use, overcome prior art systems complexity, cost height, use complicated, carry inconvenience and inquiry velocity waits problem slowly.

Description of drawings:

Fig. 1 is the schematic block circuit diagram of the portable Bus Transfer Information inquiry unit of the utility model;

Fig. 2 is the button figure of the utility model load module;

Fig. 3 is the literal display interface figure of the utility model display module;

Fig. 4 is the process flow diagram of the portable Bus Transfer Information querying method of the utility model.

Embodiment:

Below in conjunction with accompanying drawing the utility model is further described, shown in Fig. 1～4, portable Bus Transfer Information inquiry unit comprises central processing module 11, display module 12, load module 13, storer 14, USB (universal serial bus) module 15.Central processing module 11 is connected with display module 12, load module 13, storer 14 and USB (universal serial bus) module 15 respectively.

Display module 12 is used to show the transfer plan Word message, is monochromatic matrix liquid-crystal display screen.

Load module 13 is used to import the site name first letter of pinyin, definite key 132, the letter/number key 133 that switches between the letter and number input that includes the four direction key 131 operated up and down, selected content is confirmed, is used to return returning/delete key 134 of previous menu or deletion input content.During input, display module 12 shows 26 letter or numbers, utilizes directionkeys 131 and definite key 132 to select required letter or number.

Storer 14 is used for storing a Public Transport Transfer scheme object information between any two websites in city, storer 14 can be mass storage, can store the Public Transport Transfer scheme information in one or more cities, storer 14 has also been stored public transport order of classes or grades at school information, site information, subway order of classes or grades at school information, long-distance vehicle shift time information and font file etc.

USB (universal serial bus) module 15 is used for and personal computer communication, carries out data download and renewal.

Central processing module 11 is used for handling transfer information site-to-site in load module 13 press key message sent by user, the search memory 14, decompression transfer information data, Word messages such as transfer plan is outputed to display module 12 neutralizations and USB (universal serial bus) module 15 swap datas etc., be 8 single-chip microcomputers, also can be 4 single-chip microcomputers, can adopt model is the single-chip microcomputer of AT89C51.

Be applicable to that portable Bus Transfer Information inquiry unit searches the querying method of optimum Public Transport Transfer scheme, comprise the steps:

Step 200, in computing machine, handle all bus routes raw data in the city by search utility, generate all websites and the transfer plan information data between the website, all combinations between any two websites in all websites have been comprised, generate one group of data between per two websites, by data compression program the transfer plan information data of result is compressed then and website is numbered, generate final transfer plan object information data, again will these final transfer plan information result data download or be updated in the storer 14 and store by USB (universal serial bus) module 15.

Step 201, initial website and purpose site name first letter of pinyin that the user will inquire about by load module 13 inputs.When the initial of input reaches 2 or 2 when above,

Show with all site names of input alphabet coupling and select that when the initial of input surpasses 5, no longer receive input, the user can carry out concrete website by display module 12 and select for the user.

Step 202, central processing module 11 judge whether the site name first letter of pinyin of being imported exists the situation of corresponding a plurality of concrete website.

Step 203 if exist the site name first letter of pinyin imported whether to have the situation of corresponding a plurality of concrete website, shows that by display module 12 website of all couplings is selected for the user.

Step 204 changes into corresponding site number to initial website and purpose website.

Step 205, central processing module 11 are stored in the numbering of the Public Transport Transfer scheme object information of these two websites in the storer 14 in advance according to initial website and the retrieval of purpose site number.

Step 206, central processing module 11 judge whether exist in the storer 14 and the corresponding Public Transport Transfer scheme of initial sum purpose site number object information.

Step 207, if there is no inquire about initial sum purpose website transfer object information, central processing module 11 shows that by display module 12 whether correct selected route surpass the restriction of maximum twice transfer or site name information, and returns inputting interface in the step 201 and accept the user and import once more.

Step 208, if there is the institute's initial sum purpose website of inquire about transfer object information, central processing module 11 handles transfer plan object information data accordingly read out from storer 14, and by certain algorithm decompression transfer plan object information data.

Step 209 is shown to the user to the data of coming out that decompress in the step 208 by display module 12.

In sum, take advantage of scheme inquiry unit and optimum Public Transport Transfer scheme querying method thereof by above-mentioned exchange, after central processing module 11 in the inquiry unit receives the initial website that will inquire about and purpose site name first letter of pinyin of user's input by load module 13, change into site number, retrieval is stored in the transfer plan in the storer 14 in advance again, whether correct the if there is no scheme that will inquire about surpass 2 times maximum constraints or site name information by display module 12 prompting transfers; If find the transfer plan of being inquired about, also the Word message of transfer plan is shown to the user by display module 12.The user can use the transfer plan between two websites of above-mentioned inquiry unit inquiry anywhere or anytime like this, finds the fastest optimum transfer method that arrives the website that will go.

The above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims

1. portable Bus Transfer Information inquiry unit, it includes display module and the central processing module that is used for display message, display module connects central processing module, it is characterized in that: it also comprises the storer that stores the Public Transport Transfer scheme object information between any two websites in the city, the load module that is used to receive user's input information, and storer is connected central processing module respectively with load module.

2. portable Bus Transfer Information inquiry unit according to claim 1 is characterized in that: described central processing module is 8 single-chip microcomputers.

3. portable Bus Transfer Information inquiry unit according to claim 2 is characterized in that: it is the single-chip microcomputer of AT89C51 that described central processing module adopts model.

4. portable Bus Transfer Information inquiry unit according to claim 1 is characterized in that: it also includes the USB (universal serial bus) module that is used for carrying out with computing machine exchanges data.

5. according to any described portable Bus Transfer Information inquiry unit of claim 1-4, it is characterized in that: definite key, the letter/number key that between the letter and number input, switches that described load module includes the directionkeys operated up and down, confirm selected content, be used to return returning/delete key of previous menu or deletion input content.