Method for automatically raising temperature of multi-zone temperature controlling system of extruder or the like
专利汇可以提供Method for automatically raising temperature of multi-zone temperature controlling system of extruder or the like专利检索，专利查询，专利分析的服务。并且PURPOSE:To obtain a method of automatically raising temperatures, which gives results of the times of arrival to the set temperature of zones with few errors, by a method wherein the simulation system, which is equipped with a computer system, of a multi-zone temperature controlling system so as to carry out the simulation by obtaining the basic formula of each zone on the basis of characteristic parameters in order to separately set the starting times of temperature raising of the respective zones. CONSTITUTION:The temperatures of a cylinder 1 are detected with temperature sensors 3 and transmitted to temperature controllers 4 and transferred in the form of communication signals in a computer system, which consists of an input-output interface 16, a CPU 17, a memory 18, an operator panel 19 and an indicator panel 20. When let the heat capacity of each zone Ci(kcal/ deg.C), the calculating period be DELTAt, the amount of temperature change in a time DELTAt be DELTAxi, the heat quantity supplied from the heater be Qi(kcal/h), the coefficient of heat dissipation to environs be alphai(kcal/h deg.C), the representative temperature of each zone be xi( deg.C), the ambient temperature be xa( deg.C), the coefficient of heat flow between zones adja cent to each other be lambdai(kcal/h deg.C), the heat balance of each zone is set to be represented by the basic formula 1. The simulation of the multi-zone temperature system is carried out so as to calculate and store the separate starting times of temperature raising of the respective zones in order to make the temperatures of all the zones simultaneously arrive at the set temperature.，下面是Method for automatically raising temperature of multi-zone temperature controlling system of extruder or the like专利的具体信息内容。
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