电子阀
- 网络electronic valve;electrovalves;electrovalve
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再次扭转安装螺丝的换向电子阀,跟随手册中的扭力值转开。
Retorque pilot valve mounting screws , following the torque values in this manual .
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基于Matlab语言的电子膨胀阀模糊控制系统仿真
The Simulation of Electronic Expansion Valve Fuzzy Control System Based on MATLAB
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针对电子膨胀阀步进电机驱动方式和本文的仿真结果,应用增量式PID和模糊控制方法进行实验分析。
PID and Fuzzy controllers are using in the experimentation based on the simulation results of the PID , fuzzy and fuzzy self-tuning PID controllers and the driven method for EEV .
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介绍了一种开启式螺杆氨盐水机组,采用PID控制的电子膨胀阀直接供液,蒸发器和冷凝器均采用半焊式板式换热器。
A new type ammonia brine unit was introduced in this paper , which use electronic expansion valves to supply liquid and use semi-laser welding plate-and-frame heat exchangers as condenser and evaporator .
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VRV系统采用自带的以计量电子膨胀阀开度为主的计费方式;
For VRV systems , commonly attached electrical expansion valves based on turn down ratio are adopted .
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建立了蒸发器&电子膨胀阀过热度模糊控制仿真系统,通过仿真分析了量化因子、比例因子及不同的采样时间,对控制效果及参数设置的影响、模糊控制与PID的控制效果比较;
A dynamic simulation model for the control of superheat by the electrical expansion valve has been established . Base on this model , parameter setting , sampling time and Comparison of Fuzzy control with PID control are discussed .
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设计了具有过载保护与短路保护的步进电机驱动电路,采用PLC直接驱动步进电机驱动方式与四相八拍控制方式,实现对电子膨胀阀开度的精确控制。
The driving circuit of stepping-motor with the function of over-load protection and short-circuit protection is established ; the accurate control characteristic of open degree of EEV is realized by the way of driving stepping motor directly and four-phase-eight-pat controlling pattern .
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本文根据室内温度的变化趋势,提出电子膨胀阀对蒸发器供液量的控制分为两个过程,即细化参数的PID控制和自适应控制。
Based on the variation of the indoor temperature , it is brought forward that the control on refrigerant supply by Electronic Expansion Valve to the evaporator be divided into two processes , PID control with detailed parameters and self-adaptive control .
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在此基础上,完成了控制算法子程序、温度采样滤波子程序、电子膨胀阀驱动子程序及SIM卡通信子程序的嵌入式软件开发。
On this basis , completed embedded software development such as the control algorithm subroutine , temperature sampling filtering subroutine , electronic expansion valve driver and SIM card communication subroutine and so on .
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采用BP-PID控制器对系统电子膨胀阀开度进行控制,并设计了BP-PID控制器。
The paper presented a BP-PID method to control electronic swell valve of system , then BP-PID controller was designed .
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结合帕萨特B5轿车空调系统,采用电子膨胀阀代替热力膨胀阀作为节流机构,开发研制了基于单片机的轿车空调全自动控制器。
Based on the air condition system of PASSAT B5 , the SCM-based full automatic controller of car air condition systems are developed with the electronic expansion valve substituted for the thermostatic expansion valve .
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电子膨胀阀(EEV)是制冷系统中的节流元件,它在系统中的主要作用是调节系统制冷剂流量、节流降压及控制过热度。
Electronic expansion valves ( EEV ) are throttling components in refrigeration system . It can adjust the flow of refrigerants , throttle step-down , and control superheat in system .
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小型VRV中央空调由单台压缩机和冷凝器,与多个室内蒸发器与电子膨胀阀联接而成,构成一个复杂的多变量、强耦合、非线性的系统。
VRV mini central air condition system is connected by single compressor and condenser , and a number of evaporators and electronic expansion valves , forming a complex , multi-variable , strong coupling , and nonlinear system .
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利用所建立的数学模型,通过仿真的方法,研究VRV系统在调节作用及拢动作用下,系统的各热力参数变化规律。本文着重于对系统中电子膨胀阀开度、压缩机转速与吸气压力;
Based on the model , simulation is conducted to study the laws of the VRV system by varying its working parameter such as speed of compressor , openness of EEV , air volume of indoor units and indoor room temperature .
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结果表明:采用电子膨胀阀的除霜时间比热力膨胀阀的短12s,即减少11%。
The result shows that the defrosting period of machine with electronic expansion valve is 12 seconds or 11 % shorter than that with thermal expansion electronic valve , so suggests integrating both two methods by using the electronic expansion valve and defrosting by reversing four-way valve with compressor off .
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蒸发器电子膨胀阀过热度模糊控制仿真及分析
Simulation and analysis of evaporator superheat electronic expansion valve fuzzy control
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电子膨胀阀在低温装置上降温特性的试验研究
Study on Temperature Characteristic of Electronic Expansion Valve on Low-temperature Devices
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阻塞流对电子膨胀阀控制的影响研究
Research on blocking flow effect on control of electronic expansion valve
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基于神经网络的多联变频空调电子膨胀阀控制系统研究
BP-PID control for electronic swell valve of multi-interrelated frequency conversion air-condition
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电子膨胀阀调节规律的确定方法
The Method for Determing the Regulation of Electronic Expansion Valve
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空调用电子膨胀阀流量特性研究
Research on the Flow Character of EEV in Air Conditioner
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电子膨胀阀及智能控制在制冷空调中的应用
Application of Electronic Expansion Valve & Intellectual Control in HVAC
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HM&1型电子膨胀阀的设计和研究
A Research and Design of Electronic Expansion Valve Type HM-1
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电子膨胀阀在船舶冷藏集装箱中的应用研究
Researches of Electronic Expansion Valves Applied in Marine Refrigerated Containers
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电子膨胀阀在冷水机组中的试验研究
Experiment Research on the Electronic Expansion Valve in Water Chiller
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电子膨胀阀壅塞特性与冷凝压力的关系
Relationship between choking flow characteristics and condensing pressure in electronic expansion valve
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电子膨胀阀在变频一拖多空调系统中的应用
Application of Electronic Expansion Valve on Inverter Multi-split air Conditioner
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电子膨胀阀调节蒸发器过热度的控制算法
Control Algorithm of Electronic Expansion Valve in Evaporator Superheat Regulation
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冷柜启动过程中电子膨胀阀的控制
Electronic Expansion Valve Control during the Start-up of Refrigeration System
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电子膨胀阀节流机构流量特性的实验研究
Experimental Research on the Flow Characteristic of Electronic Expansion Valve