CN1464285A - Manpower tricycle fare meter - Google Patents
Manpower tricycle fare meter Download PDFInfo
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- CN1464285A CN1464285A CN 02133355 CN02133355A CN1464285A CN 1464285 A CN1464285 A CN 1464285A CN 02133355 CN02133355 CN 02133355 CN 02133355 A CN02133355 A CN 02133355A CN 1464285 A CN1464285 A CN 1464285A
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Abstract
The hodometer for man-powered tricycle has in the box mileage sensing input circuit, keyboard input circuit, real-time clock circuit, micro controller and LED digital display circuit. The real-time clock circuit consists of mainly clock chip connected to the micro controller; the keyboard input circuit consists of mainly the key switch with one end earthed and the other end connected to the micro controller; the mileage sensing input circuit consists of mainly a pulse generator comprising dry reed pipe and optoelectronic coupler, and magnetic steel mounted onto one wheel. In each turn of the wheel, the dry reed pipe operates for one time to output one low level pulse and the pulse signal is fed to the counter of the micro controller. The present invention is small, low in power consumption and specially for non-motored vehicles.
Description
Technical field
The present invention relates to be used for the fee register of bicycle, especially for the monolithic processor controlled intellectual valuation art of display device manufacture of pedicab.
Background technology
According to retrieval, up to the present, still find no the fee register and the pricing device that are applicable to that bicycle uses, relevant technical standard and standard are not arranged as yet yet.Existing taximeter comprises sensor, main frame, empty car lamp three parts, main frame adopts 51 single-chip microcomputers as primary processor, makes program storage with 2764, and 62256 make the data storer, 12B887 makes clock generator, also have 74LS373 in addition, 74LS274 etc. are as address decoder and display driver etc., according to the difference of basic type, its inside chip number is also different, lead between 10-20, its all chips are the parallel port interface, and major part is the TTL chip.
From above-mentioned introduction as can be known, based on all factors, determined the following characteristics of existing taximeter: volume is big, is not easy to carry.Special power consumption, the complete machine power consumption is about 12V*300mA==3.6W, this has caused the rechargeable battery powered difficulty of small size.Therefore, existing taximeter can not use for bicycle.
Summary of the invention
The object of the present invention is to provide a kind of Manpower tricycle fare meter, it has, and volume is little, and power consumption is low, is exclusively used in the operation valuation under the low speed per hour of bicycle.This purpose is realized by following design: a kind of Manpower tricycle fare meter, comprise the sensor that is arranged among the box body, and microcontroller, Led nixie display and working power circuit is characterized in that, described sensor is a mileage sensing input circuit; Also comprise real time clock circuit and keyboard input circuit; The foregoing circuit annexation is as follows, real time clock circuit: the pin 5 of clock chip IC2 (PCF8583) is connected to the pin 8 of microcontroller IC1 (AT89C52), and pin 6 is connected to the pin 7 of IC1; The keyboard input circuit: contain keyswitch K1, one end ground connection, the pin 39 of another termination IC1, resistance R 1 is serially connected between the pin 39 and pin 40 of IC1; Mileage sensing input circuit: ground connection behind the pin 2 series connection tongue tube GH of optocoupler U; The pin 1 of optocoupler U connects the pin 3 of U successively behind series resistor R5, the R6, ground connection behind the pin 4 resistance in series R9 of U, be connected to the base stage of triode V1 behind the node series resistor R8 of the pin 4 of U and R9, the grounded emitter of V1, be connected to the node of R5 and R6 behind the collector series resistance R7 of V1, be serially connected with a capacitor C 1 between the collector of V1 and the emitter, the collector of V1 is connected to pin 14 and the pin 15 of IC1; Also be included on the tricycle wheel fixing magnet steel, described tongue tube GH be installed in magnet steel the path close position of process.
From above-mentioned design as seen, adopt single-chip microcomputer that novel inside carries program storage as central processing unit, count, handle realizing and have the records of distance by the log with its wheel revolutions to vehicle, again according to the mileage of being surveyed, calculate to realize valuation with default unit price etc.With the clock chip of small size as clock generator obtaining real-time clock signal, and utilize its RAM that carries, to realize the storage of data as data-carrier store.At last, show every functional status and parameter by the LED nixie display.The collection of wheel revolutions utilizes tongue tube and magnet steel to realize.Its method is: fix a magnet steel on wheel, rotate with wheel, magnet steel the corresponding rational place in path of process fix 1,000 reed pipes, the wheel revolution moves a week like this, magnet steel from tongue tube next door through once, the tongue tube adhesive once, tongue tube and subsequent conditioning circuit thereof are to pulse of single-chip microcomputer input, to realize counting.The average power consumption of complete machine is controlled at about 35mA, and battery charge once can be used about 40 hours continuously for complete machine, and the complete machine consumption rate is 4.8V*40mA, for about 192mW.
In sum as can be known, it is little that the present invention has a volume, and volume has only about half of existing fee register; Characteristics such as power consumption is low, power consumption only are 1/20th of existing taximeter.
Description of drawings
Fig. 1 is an electric theory diagram of the present invention;
Fig. 2 is the circuit diagram of one embodiment of the present of invention.
Embodiment
Fig. 1 illustrates, microcontroller 4 inserts real time clock circuit 3, the output signal of keyboard input circuit 2 and mileage sensing input circuit 1 all inserts microcontroller 4, and microcontroller 4 output control signals are connected to LED digital display circuit 5, voice warning circuit 6 and buzz circuit 7 respectively.Foregoing circuit is arranged among the box body, and box body is installed on the handlebar of tricycle.
Among Fig. 2, microcontroller 4 (Fig. 1) is single-chip microcomputer IC1 (AT89C52), is equipped with clock chip IC2 (PCF8583), and its human is to produce real-time clock, and each functional circuit of complete machine is carried out control and management etc.Real time clock circuit is: the pin 5 of IC2 connects the pin 8 of IC1, and pin 6 is connected to the pin 7 of 1C1.IED nixie display 5 (Fig. 1) adopts the dynamic nixie display of LED shown in Figure 2, mainly by IC5, IC6 (be seal in and go out shift register), IC7 (74HC245), and two 4 charactron LED1 (demonstration time), LED4 (demonstration total price), two 3 charactron LED2 (demonstration unit price), LED3 (demonstration mileage) form.Keyboard input circuit 2 is: keyswitch K1, K2, K3, K4 homogeneous end ground connection, the other end is connected to the pin 39,38,37,36 of IC1 respectively, and respectively behind resistance in series R1, R2, R3, the R4, all is connected to the pin 40 of IC1.Mileage sensing input circuit is: ground connection behind the pin 2 series connection tongue tube GH of optocoupler U (117); The pin 1 of optocoupler U is connected to the base stage of triode V1 successively behind series resistor R5, the R6, the grounded emitter of V1, be connected to the node of R5 and R6 behind the collector series resistance R7 of V1, be serially connected with pin 14 and pin 15 that a capacitor C 1, V1 collector meet IC1 between the collector of V1 and the emitter.The magnet steel that above-mentioned tongue tube GH is mated is fixed on the wheel of tricycle, GH be installed in magnetic strength steel the close position in path of process.Voice warning circuit is by speech chip IC3 (ISD1420P) power discharging integrated block IC4 (TDA2822), compositions such as loudspeaker Y, its connecting relation is: the pin 9 of IC3 is connected to the pin 34 of IC1, pin 24 is connected to the pin 33 of IC1, pin 14,15 connects two stiff ends of potentiometer ROT respectively, and the travelling arm of ROT is connected to the negative pole of electrochemical capacitor C2, and the C2 positive pole is connected to the pin 7 of IC4, ground connection behind the pin 7 resistance in series R10 of IC4, the pin 1,3 of IC4 presses on two input ends of loudspeaker Y respectively.Buzz circuit is: the base stage of triode V2 is connected to the pin 12 of IC1, and the V2 collector is connected to the pin 40 of IC1, ground connection behind the V2 emitter series connection hummer B.Logic switch in the working power is: the emitter of triode V3 connects positive source, connect the controllable silicon SCR positive pole behind the V3 base series resistor R11, ground connection behind the SCR negative pole resistance in series R13, keyswitch K7 connects SCR positive pole and trigger end, and the SCR trigger end is connected to triode V4 collector, the V4 grounded emitter, V4 base stage and resistance R 12 1 ends, electrochemical capacitor C3 positive pole is connected to a bit, the C3 minus earth, the R12 other end is connected to the V3 collector, and resistance R 14 is in parallel with C3.Power supply supervisory circuit is: the pin 40 that is connected to IC1 behind the luminous second tube sheet D1 cathode series resistance R20, the D1 negative pole is connected to triode V6 collector, V6 base stage and resistance R 19 1 ends all are connected to triode V5 collector, the R19 other end is connected to the pin 40 of IC1, V5 emitter, the equal ground connection of V6 emitter, and the V5 base stage connects voltage stabilizing diode DW positive pole, the DW negative pole is connected to the travelling arm of potentiometer ROT2, in two stiff ends of ROT2, the pin 40 of a termination IC1, other end ground connection; Above-mentioned light emitting diode D1 is installed on the aforementioned box body panel.
Introduce principle of work of the present invention according to Fig. 2 below.Constitute a logic switch by K7, V3, V7 and unidirectional controllable silicon S CR etc., be used for controlling the complete machine power supply.Whenever the state of pressing a V3 of K7 key changes once, by conducting become by or by by becoming conducting, can realize the switch control of power supply.By DW, V5, V6, D1 etc. form electric source monitoring circuit, and when supply voltage was lower than setting value, D1 lighted luminous prompting user and in time charges, to guarantee the complete machine operate as normal.(adjustment of this magnitude of voltage is set by adjusting DW)
When needs were play voice, the address pin A6 of IC1 output earlier 0 or 1 to IC3 sent into a low level playback pulse for the pulse playback end PAL of IC3 again, IC3 is promptly from selected address beginning playback, automatically stop after having put, enter power down mode, begin up to playback operation next time; The A6 pin be 0 o'clock for since preceding 8 seconds voice of 0 address, be 1 o'clock back one section 12 seconds voice for beginning from sexadecimal number 20H address.The voice signal of IC3 output carries out power amplification driving loudspeaker Y by power discharging IC 4 and sounds.
Output to IC7 after the number that need show is deciphered by IC1 is inner and drive digital pipeline section, again by IC1 serial mode output signal, by IC5, the corresponding charactron of control was done a driving after IC6 deciphered, with character display.Display mode is a dynamic scan, promptly only shows one at every turn, since first, and so circulation.
Every feature operation of the present invention is finished to four buttons of K4 by K1, and the keypad tone prompting is all arranged after any one key is pressed.Its method is: when IC1 has detected button and presses, export the power supply of a signal by V2 control hummer B, make it get electric work and sound, after this button unclamped, IC1 stopped this signal, and V2 ends, and B loses power supply sound to be stopped.
Introduce the adjective implementation of the present invention below.
The back program that powers on brings into operation, and at first system is carried out initialization operation, reads clock from IC2, then clock and unit price is sent into display memory, again by IC5, and IC6, IC7 and LED1, LED2, LED3, LED4 waits the display circuit of composition to show.Whether have key press, then change corresponding operating over to if having if detecting at last, then do not return master routine, reads clock once more, always circulation.
When master routine moves, if the K1 key by the next fee register service subprogram that changes over to, at first reads unit price, threshold for entry, parameters such as trigger price mileage start IC3 to play first section voice then, follow the every operation data of initialization, and the enabling counting device begins counting.Then read clock,, judge whether to be the operational regime at night,, judge whether to be low speed then if then unit price is added the price markup at night according to preset value switching time at daytime, night from IC2; If not then skip the price markup at night night; According to working time, Counter Value calculating the speed of a motor vehicle, judge whether to be lower-speed state according to the predetermined low-speed critical value again, if when then adopting apart from and meter mode valuate (valuation working time adds the distance travelled valuation); If not then only according to the distance travelled valuation, detect the K1 key at last and whether press, if do not read the clock valuation again after then data being sent demonstration, circulation always; If the K1 key is pressed, then these operation data are sent into IC2 and preserve, to play second section voice then, and stop the counter operation, the service subprogram of so far valuating is finished, and returns master routine.
When master routine moves if the K2 key by the next clock correction subroutine that changes over to.In clock adjustment subroutine if K1.Key is by next adjustment minute, whenever by once, minute adds one; If the K3 key is by next adjustment hour data,, hour add one equally whenever by once; If K2 is by the next K1 that detects always, K2, whether the K3 key is pressed, if K1, any key of K3 is by the next associative operation that carries out, if the K2 key finishes by next clock adjustment, returns master routine after the new clock data after the adjustment is sent into IC2.
Whether if the K3 key by the next record subroutine that changes over to, is transferred record, send demonstration with record data then when master routine moves, then detecting has key to press, and does not show if then continue circulation; If the K3 key send demonstration by the next record of transferring successively next time.The K3 key whenever by transfer once record next time, once returns article one record until whole record queries again.If the K2 key is pressed, then return master routine, inquiry finishes.
When master routine moves if the K4 key by the next parameter adjustment subroutine that changes over to.At first input password, judge then whether password is correct, if the incorrect master routine that then returns can not carry out parameter adjustment; Correctly then continue execution parameter as password and adjust subroutine; Press as the K3 key, then adjust parameter, whenever add one by primary parameter; If K5 presses, then adjust project, promptly adjusting needs the parameter project adjusted, every button once, conversion once, with the sequential loop of unit price → price markup unit price → threshold for entry → trigger price mileage → umber of pulse → daytime unit price on daytime.If no key by next cycle detection, if the K4 key is pressed, then returns master routine, parameter adjustment finishes.
In sum, the present invention is by the combination of software and hardware, and to circuit, structure etc. design targetedly, it is had have the records of distance by the log, function such as timing, valuation, record queries, voice service.And has little, the power saving of volume, stable performance, advantage such as antijamming capability is strong.It is a kind of novel fee register that is applicable to bicycle.
Claims (5)
1, a kind of Manpower tricycle fare meter comprises the sensor that is arranged among the box body, microcontroller, and Led nixie display and working power circuit is characterized in that, described sensor is a mileage sensing input circuit (1); Also comprise real time clock circuit (3) and keyboard input circuit (2); The foregoing circuit annexation is as follows:
Real time clock circuit (3): the pin 5 of clock chip IC2 (PCF8583) is connected to the pin 8 of microcontroller IC1 (AT89C52), and pin 6 is connected to the pin 7 of IC1;
Keyboard input circuit (2): contain keyswitch K1, one end ground connection, the pin 39 of another termination IC1, resistance R 1 is serially connected between the pin 39 and pin 40 of IC1;
Ground connection behind the pin 2 series connection tongue tube GH of mileage sensing input circuit (1): optocoupler U (117); The pin 1 of optocoupler U connects the pin 3 of U successively behind series resistor R5, the R6, ground connection behind the pin 4 resistance in series R9 of U, be connected to the base stage of triode V1 behind the node series resistor R8 of the pin 4 of U and R9, the grounded emitter of V1, be connected to the node of R5 and R6 behind the collector series resistance R7 of V1, be serially connected with a capacitor C 1 between the collector of V1 and the emitter, the collector of V1 is connected to pin 14 and the pin 15 of IC1;
Also be included on the tricycle wheel fixing magnet steel, described tongue tube GH be installed in magnet steel the path close position of process.
2, Manpower tricycle fare meter as claimed in claim 1 is characterized in that, described keyboard input circuit (2) also contains keyswitch K2, K3, K4, and corresponding circuits is; The end ground connection of K2, the other end is connected to the pin 38 of IC1, simultaneously, connects the pin 40 of IC1 behind the other end series resistor R2; The end ground connection of K3, the other end is connected to the pin 37 of IC1, simultaneously, connects the pin 40 of IC1 behind the other end series resistor R3; The end ground connection of K4, the other end is connected to the pin 36 of IC1, simultaneously, is connected to the pin 40 of IC1 behind the other end series resistor R4.
3, as the fee register of stating of claim 1 or 2, it is characterized in that, also comprise voice warning circuit (6), form by speech chip IC3 (ISD1420P), power discharging integrated block IC4 (TDA2822), loudspeaker Y and respective peripheral element, its connecting relation is: the pin 9 of IC3 is connected to the pin 34 of IC1, pin 24 is connected to the pin 33 of IC1, pin 14,15 connects two stiff ends of potentiometer ROT respectively, the travelling arm of ROT is connected to the negative pole of electrochemical capacitor C2, the C2 positive pole is connected to the pin 7 of IC4, ground connection behind the pin 7 resistance in series R10 of IC4, the pin 1 of IC4, pin 3 are connected to two input ends of loudspeaker Y respectively.
4, fee register as claimed in claim 3 is characterized in that, also comprises buzz circuit (7): the base stage of triode V2 is connected to the pin 12 of IC1, and the collector of V2 is connected to the pin 40 of IC1, ground connection behind the emitter series connection hummer B of V2.
5, fee register as claimed in claim 4 is characterized in that, contains logic switch and power supply supervisory circuit in the described working power circuit;
Logic switch is: triode V3 emitter connects the working power positive pole, connect the controllable silicon SCR positive pole behind the V3 base series resistor R11, ground connection behind the SCR negative pole resistance in series R13, keyswitch K7 connects SCR positive pole and trigger end, and the SCR trigger end is connected to triode V4 collector, the V4 grounded emitter, V4 base stage and resistance R 12 1 ends, electrochemical capacitor C3 positive pole is connected to a bit, the C3 minus earth, the R12 other end is connected to the V3 collector, and resistance R 14 is in parallel with C3;
Power supply supervisory circuit is: the pin 40 that is connected to IC1 behind the light emitting diode D1 cathode series resistance R20, the D1 negative pole is connected to triode V6 collector, V6 base stage and resistance R 19 1 are terminated at triode V5 collector, the R19 other end is connected to the pin 40 of IC1, V5 emitter, the equal ground connection of V6 emitter, and the V5 base stage connects voltage stabilizing diode DW positive pole, the DW negative pole is connected to the travelling arm of potentiometer ROT2, in two stiff ends of ROT2, the pin 40 of a termination IC1, other end ground connection;
Described light emitting diode D1 is installed on the described box body panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133355 CN1464285A (en) | 2002-06-25 | 2002-06-25 | Manpower tricycle fare meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02133355 CN1464285A (en) | 2002-06-25 | 2002-06-25 | Manpower tricycle fare meter |
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| Publication Number | Publication Date |
|---|---|
| CN1464285A true CN1464285A (en) | 2003-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02133355 Pending CN1464285A (en) | 2002-06-25 | 2002-06-25 | Manpower tricycle fare meter |
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|---|---|
| CN (1) | CN1464285A (en) |
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2002
- 2002-06-25 CN CN 02133355 patent/CN1464285A/en active Pending
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