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基于單片機(jī)的電子電子秤的設(shè)計(jì)外文文獻(xiàn)原文及翻譯-資料下載頁

2024-12-03 22:32本頁面

【導(dǎo)讀】電子秤是稱重技術(shù)中的一種新型儀表,廣泛應(yīng)用于各種場(chǎng)合。各種環(huán)境工作,重量信號(hào)可遠(yuǎn)傳,易于實(shí)現(xiàn)重量顯示數(shù)字化,易于與計(jì)算機(jī)聯(lián)網(wǎng),實(shí)現(xiàn)生產(chǎn)過程自動(dòng)化,提高勞動(dòng)生產(chǎn)率。標(biāo)簽秤在超市中的應(yīng)用已經(jīng)是耳聞目睹的。一張小小的標(biāo)簽包含著:品名、價(jià)格、重量等,一一列表在這小小的電子標(biāo)簽。標(biāo)簽機(jī)的使用大大加快了銷售速度,也方便了顧客。頂尖條碼標(biāo)簽秤有著許多。卓越的特點(diǎn),以太網(wǎng)功能使管理更加方便。單片機(jī)電路,顯示電路,鍵盤電路,通訊接口電路,穩(wěn)壓電源電路等電路組成。它可以幫助人們有效的監(jiān)視自己的體重變化,新產(chǎn)品還可以檢測(cè)自己的脂肪含量,可能不屬于計(jì)量器具。細(xì)分值D的標(biāo)準(zhǔn),是受國(guó)家計(jì)量法保護(hù)的產(chǎn)品。轉(zhuǎn)換成便于處理的數(shù)字信號(hào)輸出到CPU. CPU根據(jù)鍵盤命令以及程序?qū)⑦@種結(jié)果輸出到顯示器,直至顯示這種結(jié)。行重量、數(shù)量、累計(jì)功能、數(shù)量上限警示功能;示范圍和零點(diǎn)跟蹤范圍;。示、記錄和控制等要求。它是實(shí)現(xiàn)自動(dòng)檢測(cè)和自動(dòng)控制的首要環(huán)節(jié)。

  

【正文】 nd means. In modern industrial production, especially automated production process, the use of various sensors to monitor and control the various parameters of the production process, so that devices work best in the normal state or condition, and to achieve the best quality products. Therefore we can say, without a large number of good sensors, modern production base will be lost. In the basic science research, a more prominent position sensor. The development of modern science and technology into many new areas: for example, thousands of light years to observe the macro level of the vast universe, to observe microscopically small particles cm the world, vertical, to observe the evolution over hundreds of years of celestial bodies , a short response to the s moment. In addition, there was even a matter of deepening understanding, developing new energy, new materials, play an important role in a variety of extreme technology such as ultrahigh temperature, ultralow temperature, high pressure, ultrahigh vacuum, powerful magic field, ultraweak magic bagging, etc. . Obviously, to obtain a large number of human senses can not directly access the information, Not patible with sensors is impossible. Many basic scientific research obstacles, first of all to obtain information on the object is difficult, and a new highly sensitive detection mechanism and the emergence of sensors, often lead to breakthroughs in the field. The development of a number of sensors is often a pioneer in the development of marginal subjects. Sensor has already perated into, such as industrial production, space development, marine exploration, environmental protection, resource survey, medical diagnostics, biotechnology, and even conservation areas and so most of the pan. It is no exaggeration to say that, from the vast space, the vastness of the ocean, as well as a variety of plex engineering systems, almost every modern project, are inseparable from a variety of sensors. Thus, the sensor technology in economic development, promote the important role of social progress is very clear. Countries in the world attach great importance to the development of this area. I believe in the near future, there will be a leap in sensor technology, to achieve status mensurate with its important new level. Sensor classification Different views can be classified on the sensors: they transform principle (Transducer on the basic physical or chemical effect)。 their purpose。 their output signal types and the production of their materials and processes. Working principle of the sensor can be divided into physical sensors and chemical sensors two categories: Sensor working principle of the classification of physical sensors that physical effects, such as the piezoelectric effect, magostriction, ionization, polarization, thermal, optical, magic and electric effects. Small changes in the amount of the measured signal will be converted into electrical signals. Chemical sensors, including those with chemical adsorption, electrochemical reaction, a causal relationship between the phenomenon of the sensor, the measured signal will be small changes in volume converted to electrical signals. Some sensors can not divided into physics, can not be divided into chemical classes. Most of the physicsbased sensor is functioning. Many problems of chemical sensor technology, such as reliability issues, the possibility of mass production, prices, etc., solve such problems, the application of chemical sensors will have tremendous growth. Dynamic characteristic The socalled dynamic characteristics, is the change in the input sensor, its output characteristics. In practice, the sensor39。s dynamic characteristics mon to certain standards of its response to said input signal. This is because the sensor response to the standard input signal easily obtained by experiment, and its standard input signal response and its response to any input signal exists between the relationship, often the latter that the former can be presumed. The most monly used standard input signal and sine signal with step two, so the dynamic characteristics of sensors are monly used in the step response and frequency response to that.
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