转速表与单片机外文翻译
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1、1 Ratemeter and monolithic integrated circuit The traditional automobile rotational speed odometers function has two; first, with indicator instruction automobile travel instantaneous vehicle speed; second, records the automobile travel with the mechanical counter the accumulation course. The modern
2、 automobile is developing to the high speed direction, along with the vehicle speed enhancement, the tradition speedometer which actuates with the flexible axle receives the unprecedented challenge, this is because of the flexible axle when high speed revolving, as a result of steel wire alternate s
3、tresses limit limit, but easy to break, simultaneously, the flexible axle will arrange long will have presented the deformation oversized or the movement sluggish and so on phenomena, moreover, regarding the different vehicle type, the rotational speed odometers installment position will also receiv
4、e the flexible axle length and bending limit. All these, causes based on the non-contact type tachometer generators electronic formula rotational speed odometer to be able the rapidly expand. Presents automobile measuring appliance automaticity is very high, what the old style mechanical flexible ax
5、le transmissions measuring appliance already eliminated displaces is presents liquid crystal gauge board, is impossible through to dial the digital code wheel adjustment odometer again. When in the driver needs to increase the number of passes, runs the table with this kind to be possible very with
6、ease to realize. This kind runs the table use medium scale integration design to become, the volume is exquisite, the movement is stable, is suitable uses on each kind of electronic transducers automobile. This kind of exquisite instrument has compared to the other similar products obvious merit: 1s
7、t, the circuit design is exquisite, strict. Has used the high performance integrated circuit and the electronic component, the guarantee circuit has the high quality; The use optimizations circuit design, considered many disadvantageous use environment, enable the instrument as far as possible in th
8、e voltage, the temperature, the humidity, the dust pollution and so on under complex change factor many conditions to be able the steady work. 2nd, the reliability is good. In order to enhance the electric circuit work the reliability, not only the part passes through screens carefully, moreover pas
9、ses through 2 2400 hours to roast machine the experiment, its outer covering is exquisite, may install conveniently in the pocket, momentarily may take the use. 3rd, simplicity of operator, easy to operate. Only needs to insert to the cigar lighter on, does not need to get out, all OK. 4th, the use
10、security, felt relieved. Even if meets instead, also will not damage the instrument, will not damage on the vehicle anything. 5th, the speed may adjust. You may the speed regulation highest, may also adjust to a fixture, for instance 300 step. Is different based on the vehicle type, the speed differ
11、s from, may the speed knob change speed through the regulating instrument on. Monolithic integrated circuit AT89C2051 by its low price, the low power loss, the reliability high and easy to program and so on characteristics to be famous, X25045 is a MCS-51 series monolithic integrated circuit electri
12、c circuits auxiliary chip, mainly takes on the replacement, the voltage examination, the watch-dog and the EEPROM function, this chips use enhanced systems reliability greatly, reduced the periphery chip number, may realize the power failure which the course accumulates to save. LCM1010 is ten type
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