CN2655531Y

CN2655531Y - Apparatus for acquiring, processing and transmitting data of short message communication system in school yard

Info

Publication number: CN2655531Y
Application number: CNU200320126600XU
Authority: CN
Inventors: 张军; 冯颖秋; 贾波; 马世奎; 邓岳; 陈庆卓; 何平川
Original assignee: Beijing Bewinner Communication Co ltd
Current assignee: Beijing Bewinner Communication Co ltd
Priority date: 2003-12-08
Filing date: 2003-12-08
Publication date: 2004-11-10
Anticipated expiration: 2013-12-08

Abstract

The utility model discloses a data sampling, processing and sending device used in a campus message system, comprising a shell body, a card reader equipped on the surface of the shell body, a time displayer, a main control circuit equipped inside the shell body, a cell phone message sending mode and a power circuit, wherein the card reader is mainly used for sampling and reading information on a student IC card, then collected information is transmitted to the main control circuit through a series port, the main control circuit mainly receives data collected by the card reader, which is sent to the cell phone message sending mode after being processed, the cell phone message sending mode receives data transmitted by the main control circuit, which is sent to cell phones of student parents through a net communication system.

Description

Campus note way system data acquisition process dispensing device

Technical field

The utility model relates to a kind of front end data acquisition, processing, dispensing device that is applied in the note way system of campus.

Background technology

Along with the develop rapidly of people's material and culture, many Internet bars, amusement arcade, discotheque have appearred in the society.Many students because self-control is poor, indulge in too much in these places, have influenced study in the course of time.In order to strengthen the school and the head of a family's communication, strengthen management to the student, the inventor has developed campus note way system.The existing mature short message platform of this system's utilization is realized the information interaction between school and the parents of student.Everyone holds a non-contact IC card that stores this student's personal information the student of adding campus note way system, going out/need swipe the card when going into school gate, system goes into this student the school/time of leaving school automatically and sends to this parents of student with short message mode after obtaining card using information, so as the head of a family grasp at any time the student dynamically.

Summary of the invention

In view of the foregoing, the purpose of this utility model provides a kind of be applied to front end data acquisition, processing, dispensing device in this campus note way system, that be used to gather student's IC-card information.

For achieving the above object, the utility model is by the following technical solutions:

A kind of campus note way system front end data acquisition is handled dispensing device, it is characterized in that: it is made of housing, the card reader that is installed in surface of shell, clock display and the governor circuit, SMS sending module and the power circuit that are installed in the housing;

Described card reader is mainly used in collection, reads the information on student's IC-card, is transferred to governor circuit then; Governor circuit is mainly used in and receives the data that card reader is gathered, and sends to the SMS sending module after the processing, and the setting that clock signal and demonstration time are provided for clock display; The SMS sending module mainly is to receive the data that governor circuit passes down, sends on parents of student's mobile phone by the form of network communicating system with short message;

The annexation of above each several part is:

A serial port of the microprocessor in the serial port of card reader and the governor circuit links to each other; Another serial port of microprocessor links to each other with the serial port of mobile phone short message sending module; The I/O mouth of microprocessor links to each other with the data/address bus of clock display with bus mode.

Operation principle of the present utility model is: the student advancing/during out of school, rocks before my non-contact IC being stuck in the window of card reader, and card reader reads the information on student's IC-card; Card reader is transferred to governor circuit with the information that collects in the lump together with at that time time data; Governor circuit is handled after receiving the data that card reader uploads, and sends to the SMS sending module then; After the SMS sending module receives the data of uploading, send on parents of student's mobile phone, make the head of a family can understand child's situation at any time by the mode of network communicating system with short message.

The utility model is novel, and is simple in structure, technology maturation, dependable performance.

Description of drawings

Fig. 1 is a contour structures schematic diagram of the present utility model

Fig. 2 is a theory diagram of the present utility model

Fig. 3 is the utility model card reader physical circuit figure

Fig. 4 is the concrete annexation figure of microprocessor in the utility model governor circuit

Fig. 5 is the concrete annexation figure of the utility model mobile phone short message sending module

Fig. 6 is the utility model power unit physical circuit figure

Fig. 7 is the utility model clock display part physical circuit figure

Fig. 8 is clock part physical circuit figure in the utility model governor circuit

Embodiment

As shown in Figure 1, the campus note way system front end data acquisition that provides of the utility model is handled dispensing device and mainly is made of housing 1, the card reader 2 that is installed in surface of shell, clock display 3 and the governor circuit 4, SMS sending module 5 and the power circuit 6 that are installed in the housing.

As shown in Figure 2, card reader 2 is mainly used in the information that reads on student's IC-card, then the information that collects is transferred to governor circuit 4 in the lump together with at that time time data; Governor circuit 4 is handled after receiving the data that card reader 2 uploads, and sends to SMS sending module 5 then; After SMS sending module 5 receives the data of uploading, send on parents of student's mobile phone by the mode of network communicating system with short message.Governor circuit 4 also is used to clock display 3 that the demonstration and the time set of clock signal, control clock display are provided.

Illustrate internal structure of the present utility model and operation principle below in conjunction with accompanying drawing and concrete enforcement.

As shown in Figure 1, advance the problem that the school gate time concentrates relatively, in specific embodiment of the utility model, selected two Non-contact Media Readers 2 that Tianjin Rong Ji company produces for use, be used to read the information on the non-contact IC card that the student holds in order to solve the student.Again with reference to shown in Figure 3, after this case had adopted two card reader to receive information on student's IC-card simultaneously, the serial port by the main control chip on electronic switch 74LS157 chip D3 and the main control board linked to each other, and carries out transfer of data.As shown in the figure, the pin two of electronic switch D3 (74LS157), 5 links to each other with serial delivery outlet RXD, the TXD of a card reader R1; The

3,6 of electronic switch D3 (74LS157) links to each other with serial delivery outlet RXD, the TXD of another card reader R2; The serial port of main control chip is that pin P1.2, the P1.3 of main control chip W77E58 links to each other in the serial

delivery outlet pin

4,7 of electronic switch D3 (74LS157) and the governor circuit.The data that two card reader read are transferred to governor circuit with serial mode by electronic switch.

Main control chip on the main control board is handled after receiving the student information that card reader uploads, and then, data processed is sent to the mobile phone short message module be sent on head of a family's mobile phone.

As shown in Figure 4, the utility model selects for use W77E58 chip that Hua Bang company produces as main control chip, in order to finish the data that receive card reader and upload, carry out data processing, to work such as mobile phone short message sending module down-transmitting data and the demonstrations of control clock.

The main control chip W77E58 that the utility model is selected for use and MCS51 series monolithic compatibility, the quick microprocessor that can repeatedly programme, but RC oscillator, two 16 bit data pointers etc. are all multi-functional in its inside is integrated with the full duplex serial port, sheet of the flash ROM of the overprogram of 32K, the on-chip memory of 256 bytes, the SRAM with the MOVX instruction access of 1K, programmable WatchDog Timer, 3 16 bit timing devices, 2 enhancement mode.

Adopt the W77E58 chip, main consideration for three aspects:

(1) W77E58 operating frequency height reaches as high as 40MHz, and the machine works frequency of W77E58 is 4 frequency divisions of crystal oscillation frequency, and promptly the frequency of 40MHz is equivalent to the 120MHz of common MCS-51 series monolithic.Because the main control chip of being responsible for data processing centre will receive and handle the information of card reader and mobile phone terminal, the fast processing data are essential.

(2) W77E58 has 2 full duplex asynchronous serial ports, provides convenience to the data communication of card reader and mobile phone terminal.

(3) SRAM (adopt MOVX instruction) of 1KB is arranged in the W77E58 sheet, need not extend out pin-saving chip.

Certainly, W77E58 also has some other characteristics also to bring great convenience for programming: because it has adopted the micro-processor kernel of brand-new design, remove unnecessary clock and memory cycle, therefore, under identical crystal oscillator frequency, according to different instruction types, its speed of service is generally than fast 1.5 to 3 times of tradition 8051 series, generally speaking, on average can reach more than 2.5 times.In addition, because W77E58 adopts complete static CMOS design, can be operated under the low speed crystal oscillator frequency, therefore, compare with common 8051, if W77E58 adopts the tick-over frequency, under identical instruction throughput, the electricity saving performance of W77E58 also will improve greatly.

As shown in Figure 4, the 3 pin P1.2 of microprocessor chip D1 (W77E58) link to each other with the serial port of card reader as serial ports 1 (RXD1, TXD1) with 4 pin P1.3, receive the data that card reader is uploaded.The 10 pin P3.0 of microprocessor chip D1 (W77E58) link to each other with the terminal of mobile phone short message sending module as serial ports 2 (RXD2, TXD2) with 11 pin P3.1, and the data after handling are sent the mobile phone short message sending module.The 15 pin P3.5 of D1 link to each other with button SW3 with 17 pin P3.7, are used for receiving turnover school gate signal.The 21 pin P2.0 of D1 and 22 pin P2.1 be used to debug button SW1, the SW2 that clock shows and link to each other.The 14 pin P3.4 of D1 link to each other with chip 7406, are used for the false alarm of system, and the 15th pin P3.6 (WR) is used to adjust the display timing generator of clock display.

The utility model selects for use the DG-C1A model chip of WAVECOM company production as the mobile phone short message sending module, is mainly used in the card number that will read and is sent to sms center after the main control chip packing is handled.Situations such as untimely or deadlock appear sending in the mobile phone terminal when busy, as shown in Figure 5, this case has used two mobile phone short message sending module M1, M2 to send information respectively, these two mobile phone short message sending modules transfer the level of its output to the serial ports level by MAX232, and by electronic switch 74LS157 its data are selected, link to each other with another serial ports of main control chip.Concrete annexation as shown in Figure 5, serial ports RXD3, the TXD3 of mobile phone short message sending module M1 links to each other with the pin of

MAX232

8,10; Serial ports RXD4, the TXD4 of mobile phone short message sending module M2 links to each other with the pin one of

MAX232

1,13; The RS232

level input pin

12,9 of MAX232 links to each other with the pin one 0,11 of the electronic switch 74LS157 shown in Fig. 3, and the RS232

level output pin

14,7 of MAX232 links to each other with the pin one 4,13 of the electronic switch 74LS157 shown in Fig. 3; Among the serial ports RXD2 of electronic switch 74LS157,

TXD2 pin

9,12 and Fig. 4 the serial ports 2 of main control chip W77E58 promptly 10 pin P3.0 link to each other with 11 pin P3.1.

Because mobile phone short message sending module and card reader all are operated in high frequency, in order to prevent the interference of high-frequency signal, the mode that the utility model adopts governor circuit, mobile phone short message sending module and card reader three parts to power respectively to each operational module.

One the tunnel to be example wherein, its principle is as follows: as shown in Figure 6, transfer the 220V electric main interchange of 9V to by transformer T7 earlier, pass through π type compound filter again, electric bridge and electric capacity rectifying and wave-filtering are direct current.

Because the current ratio of governor circuit and mobile phone short message sending module part is bigger, what we adopted is the transformer of 9V/1.1A, and the three-terminal regulator block LM317 of back adopts iron envelope device, add fin after its maximum power can reach 15W.317 power supplies of card reader partial circuit Plastic Package get final product.

Three-terminal voltage-stabilizing integrated package LM317 is the integrated regulator of Adjustable Output Voltage, and its characterisitic parameter is as follows: Vo1.2 to 37V, maximum output current are 1.5 amperes.Minimum input, output pressure reduction (Vi-Vo) are 3V, and maximum input, output pressure reduction are 40V.The formula that its voltage calculates is: 1.25* (1+R1/R2).After getting nominal value, the R1 of the circuit of the first order is 470 ohm and 2.2K ohm.Partial voltage stabilizing circuit is chosen to be 620 ohm with R1, and R2 is chosen to be 2K.In the circuit of reality, can also add suitable fin.

Fig. 7 is the utility model display part physical circuit figure.As shown in the figure, the utility model is cloudy demonstration altogether, utilizes bus concept, and bit code, the segment encode data wire of each charactron linked to each other with the P0 mouth of bus mode with microprocessor chip (W77E58).Because the utility model display circuit is a typical circuit partly, so no longer be described in detail here.

The DS1302 chip that the utility model adopts dallas, u.s.a company to produce is in order to provide clock signal to the utility model.The DS1302 chip is the real-time timepiece chip of a kind of high-performance of releasing of DALLAS company, low-power consumption, band RAM, it can to year, month, day, Sunday, the time, minute, second carries out timing, and has the leap year compensate function, the wide 2.5～5.5V that reaches of operating voltage.Adopt three-wire interface and microprocessor to carry out synchronous communication, and can adopt burst mode once to transmit the clock signal or the RAM data of a plurality of bytes.There is one 31 * 8 the ram register that is used for provisional store data DS1302 inside, and has increased main power source/back power supply duplicate supply pin, and the ability of the back power supply being carried out the thin current charges of tiny stream is provided simultaneously.

As shown in Figure 8, the 7th pin (SCLK) of DS1302 is a serial clock, and it directly links to each other with the P1.4 pin of microprocessor chip (W77E58), is used for the transmission of serial ports synchrodata; The 6th pin (I/O) of DS1302 is used for the transmission of data, directly links to each other with the P1.5 pin of microprocessor chip (W77E58); The 5th pin (RST) of DS1302 directly links to each other with the P1.6 pin of microprocessor chip (W77E58).

Be convenient debugging clock, as shown in Figure 4, the utility model has used two button SW1, SW2 to come the adjustment time.When SW1 is used for selecting, minute, second, SW2 whenever by numerical value just order add one, pin this key and do not release and can do the quick time and adjust.SW1, SW2 are connected with P3.5, the P3.7 of main control chip respectively.

The above only is preferred embodiment of the present utility model, and protection range of the present utility model is not limited thereto.Anyly all belong within the utility model protection range based on the equivalent transformation on the technical solutions of the utility model.

Claims

1, a kind of campus note way system front end data acquisition is handled dispensing device, it is characterized in that: it is made of housing, the card reader that is installed in surface of shell, clock display and the governor circuit, SMS sending module and the power circuit that are installed in the housing;

Described card reader is mainly used in collection, reads the information on student's IC-card, is transferred to governor circuit then;

Described governor circuit is mainly used in and receives the data that card reader is gathered, and sends to the SMS sending module after the data that processing receives, and the setting that clock signal and demonstration time are provided for clock display;

Described SMS sending module mainly is to receive the data that governor circuit passes down, sends on parents of student's mobile phone by network communicating system;

The annexation of above each several part is:

A serial port of the microprocessor in the serial port of described card reader and the governor circuit links to each other; Another serial port of microprocessor links to each other with the serial port of mobile phone short message sending module; The I/O mouth of microprocessor links to each other with the data/address bus of clock display with bus mode.

2, data acquisition process dispensing device according to claim 1 is characterized in that: described governor circuit comprises a quick microprocessor with full duplex serial port of two enhancement mode.

3, data acquisition dispensing device according to claim 2 is characterized in that: described governor circuit also comprises a real-time timepiece chip, and the clock signal output terminal of this chip links to each other with the I/O mouth of microprocessor chip in the governor circuit.

4, according to claim 2 or 3 described data acquisition process dispensing devices, it is characterized in that: the utility model comprises two card reader, and the serial port of two card reader links to each other with the serial port of microprocessor chip in the governor circuit by an electronic switch chip.

5, data acquisition process dispensing device according to claim 4, it is characterized in that: the utility model includes two mobile phone short message sending modules, and two mobile phone short message sending modules link to each other with another serial port of microprocessor chip through an electronic switch chip, MAX232 level transferring chip.

6, data acquisition process dispensing device according to claim 1 or 5, it is characterized in that: described card reader is a Non-contact Media Reader.