| 1. | Software design for steam flow totalizer
蒸汽流量积算仪的软件设计 |
| 2. | Flow intergration meters
流量积算仪 |
| 3. | This thesis illustrates the design method and process of intelligent flow accumulator in respect of hardware and software design
本文首先从硬件设计和软件设计两个方面，详细地讲述了智能热量积算仪的设计方法和过程。 |
| 4. | The mathematical models set up for flow and heat calculations have been applied in the design work of intelligent flow or heat accumulators
对于流量、热量计算的数学模型，已在各类智能流量、热量积算仪的设计中得到了应用。 |
| 5. | The emergence of intelligent flow accumulator makes it possible that source management can realize the goal of automatization and online - measurement of energy consumption
智能热量积算仪的出现，使企业在能源管理的自动化和能源消耗的在线计量成为可能。 |
| 6. | The spindle flowmeter and the especially designed totalizer highly improve the precision of measurement , and the measuring system made up of them is very easy to use
置于测量现场的多台积算仪与上位pc机之间可以通过rs - 485串行总线进行数据传输,构成高精度的分布式测量网络。 |
| 7. | On the base of analyzing the development status and trend of the electromagnetic flowmeter technology , this article uses new mcu and ic to design the intelligent electromagnetic flowmeter that has a conversion instrument and a cumulation apparatus
本文在分析国内外电磁流量计发展现状和趋势基础上，采用新型微处理器和集成电路来开发集转换器、积算仪于一体的智能电磁流量计。 |
| 8. | Spindle flowmeter , a new type of differential pressure flowmeter , is used as the sensor of flow measurement . and aiming for a small and intelligent design , we use the mcu named sst89e564rd as the main controller , the leds and the keyboard as the user interface
本着小型化、智能化的原则,该积算仪采用sst公司的微控制器sst89e564rd作为控制核心,并设计了由数码管和矩阵式键盘组成的人机对话接口。 |
| 9. | In addition , this paper not only makes detailed illustration on hardware but also on software design in respect of field anti - jamming performance . especially in software design , it adopts methods of " software trap " and " sign position setting " greatly improving the antijamming capacity of accumulator
另外，本文在现场抗干扰方面，不仅在硬件设计上作出了明确的阐述，而且在软件设计上，采用了“软件陷阱法”和“标志位设置法” ，使得积算仪的抗干扰性能，得到大大的提高。 |
| 10. | Abstract : based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer . especially for saturation steam ， the accuracy of the temperature detection circuit shall be designed higher than the accuracy of the instrument . thus a temperature detection circuit based on ratio method with high accuracy is introduced
文摘:在分析饱和蒸汽和过热蒸汽密度的数学模型的基础上指出，温度检测的偏差对智能流量积算仪的精度影响极大，尤其是饱和蒸汽，测温电路的精度应设计为远高于仪表的精度，同时引入一种基于比率法的高精度测温电路。 |
