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排灌机械工程学报
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排灌机械工程学报  0, Vol. Issue (): 10-    DOI:
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并联压电泵腔体初始容积设计
孙晓锋1 杨志刚2 姜德龙1 何丽红1 姜斌3
(1.吉林化工学院机电工程学院,吉林 吉林132022  2. 吉林大学机械科学与工程学院,吉林 长春130025 3.空军航空大学 吉林 长春130025)
Design on initial volume of piezoelectric pump in parallel
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摘要 为探究腔体初始容积对压电泵性能的影响,设计了双腔体并联压电泵。通过理 论分析,确定了双腔并联压电泵能够工作时泵腔初始容积的取值范围,并根据理论公式 设计制作了六种不同腔体初始容积的双腔并联有阀压电泵样机,对泵腔初始容积的变化 与泵工作性能关系进行研究。在110V工作电压下,工作频率小于400Hz范围内,用压电 双晶片进行驱动,分别以液体水和空气为介质,对不同压缩比(压电振子振动产生的泵 腔容积变化量与泵腔初始容积的比值)下的并联泵进行了试验测试。结果表明,当泵送 液体水时,压缩比为1/18时泵的整体输出流量最好,最大输出流量可达1330 mL/min, 压缩比越大,泵的输出压力和自吸能力越好,最大输出压力和自吸高度分别为58.5 kPa 和69 cm;当泵送气体空气时,压缩比越大,泵的输出能力越好,最大输出流量和压力 分别为850 mL/min和6.5 kPa,当压缩比小于1/32时,泵已经失去了输出气体能力。
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关键词压电泵   双腔   并联   初始容积   压缩比     
Abstract: In order to explore the pump chamber initial volume influence on the performance of piezoelectric pump, the check-valved double-chamber piezoelectric pumps in parallel with six different initial pump chamber volumes were designed and manufactured . When powered by 110V drive voltage, within operating frequency range of less than 400Hz, the output performance experiments under different compression ratios were carried out with water and air as the medium respectively. The results showed that the compression ratio(The ratio between the stroke volume and the initial volume defines the compression) of 1 / 18 of pump output flow rate was the best when pumping liquid water, the maximum output flow was 1330 ml/min .While the larger compression ratio was , the better the pump output pressure and self-priming capability were. The maximum self-priming water column height and output pressure were 69 cm and 58.5 kPa respectively . When pumping gas air, the larger the compression ratio was, the better the pump output capability was. The maximum output flow-rate and output pressure was 850 ml/min and 6.5 kPa respectively. When the compression ratio was less than   1 / 32, the pump had lost output capability.
Key wordspiezoelectric pump   double-chamber   in Parallel   initial volume   compression ratio   
引用本文:   
. 并联压电泵腔体初始容积设计[J]. 排灌机械工程学报, 0, (): 10-.
. Design on initial volume of piezoelectric pump in parallel[J]. Journal of Drainage and Irrigation Machinery Engin, 0, (): 10-.
 
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