CN2118842U - 新型流量可调式旋涡泵 - Google Patents

新型流量可调式旋涡泵 Download PDF

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Publication number
CN2118842U
CN2118842U CN 92207647 CN92207647U CN2118842U CN 2118842 U CN2118842 U CN 2118842U CN 92207647 CN92207647 CN 92207647 CN 92207647 U CN92207647 U CN 92207647U CN 2118842 U CN2118842 U CN 2118842U
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motor
pump
speed
adjustable
valve
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CN 92207647
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沈太福
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Changcheng Electronics And Machinery Science-Technology Industrial Co Beijing
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Priority to CN 92207647 priority Critical patent/CN2118842U/zh
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Abstract

一种新型流量可调式旋涡泵,由电机控制柜、电 机、旋涡泵体、联轴器、入液阀、出液阀等构成,电机是 可调速电机,调速电机控制柜与调速电机用导线联 接,电机输出轴与旋涡泵主轴通过联轴器相连,泵的 入口处接有入液阀,泵的出口处接有出液阀,在恒扬 程变流量工作状态下,出液阀常开。通过调节控制柜 旋钮,可改变电机输出轴的转速,即可调节旋涡泵叶 轮的转速,从而改变旋涡泵的流量和压力,减少管道 损失,节约能量,延长阀门寿命,减少换阀工作量。

Description

本实用新型涉及到工农业生产中应用的旋涡泵。
目前应用的旋涡泵,通常是把单速交流电机作为动力源,叶轮转速是固定的,泵本身不具备改变流量和压力的性能,只能输出某一特定流量和压力。因此为了满足实际需要,用户选择泵的容量偏大、压头偏高,泵常常不能满负荷运行,造成一定的浪费。当实际运行中流量和压力需要调节时,通常是:(1)在出液口处设一出液阀,通过调整阀门的大小控制泵流量和压力。此时电机输出功率仍不变,管路阻力大,造成无谓的能耗;(2)使用液力耦合器控制电机的转速,通过改变泵的叶轮转速来调节流量和压力,这样的系统机械损失大;(3)采用变频调速器,由于国产变频器受到国内电子器件质量的限制,而进口变频器价格昂贵,不易维修,并且变频器目前还受到容量的限制,不能适应工农业生产中多数大、中容量的需要。
本实用新型的目的就是要提供一种新型流量可调式旋涡泵,它操作方便,调节旋涡泵的流量和压力十分容易,节能效果明显。
本实用新型的目的是这样实现的:新型流量可调式旋涡泵,由电机控制柜、电机、旋涡泵体、联轴器、出液阀、入液阀等构成,电机是可调速电机,调速电机控制柜与调速电机用导线联接,电机输出轴与旋涡泵主轴通过联轴器相连,泵的入口处接有入液阀,泵的出口处接有出液阀,在恒扬程变流量工作状态下,出液阀常开。
在此,电机可以是无级(或有级)调速电机,由于调速电机可从″0″到额定转速无级(或有级)调速,通过调节电机的转速来改变旋涡泵叶轮的转速,使旋涡泵的流量与压力可按工况需要调节,耗电量按电机转速成立方的比例降低下来,节能效果显著,同时还便于集中自动控制,在恒扬程变流量的工况下,出液阀常开,减少管网损失,延长阀门使用寿命,减轻更换阀门的工作。
实用新型的具体结构由以下实施例及其附图给出。
图1是根据本实用新型提出的新型流量可调式旋涡泵的结构图。
下面结合图1详细说明依据本实用新型提出的具体装置的细节及工作情况。
新型流量可调式旋涡泵,由交流无级调速电机控制柜、交流无级调速电机、旋涡泵体、联轴器、入液阀、出液阀等构成。
交流无级调速电机控制柜(1)与交流无级调速电机(2)用导线联接,电机输出轴(3)与旋涡泵主轴(5)通过弹性联轴器(4)相连,泵(6)的入口处接有入液阀(7),泵的出口处接有出液阀(8),该阀在恒扬程变流量工作状态下,处于常开状态。
通过调节电机控制柜旋钮,改变电机输出轴转速,即可改变旋涡泵叶轮的转速,从而调节旋涡泵的流量和压力,达到节能的效果。
该装置中的交流无级调速电机用交流有级调速电机替代,同样可达到上述效果。

Claims (3)

1、一种新型流量可调式旋涡泵,由电机控制柜、电机、旋涡泵体、联轴器、入液阀、出液阀等构成,其特征是:电机是可调速电机,调速电机控制柜(1)与调速电机(2)用导线联接,电机输出轴(3)与旋涡泵主轴(5)通过联轴器(4)相连,泵(6)的入口处接有入液阀(7),泵的出口处接有出液阀(8),在恒扬程变流量工作状态下,出液阀常开。
2、根据权利要求1所述的装置,其特征是:电机可以是交流无级调速电机。
3、根据权利要求1所述的装置,其特征是:电机也可以是交流有级调速电机,每级之间可连续无级调节。
CN 92207647 1992-04-23 1992-04-23 新型流量可调式旋涡泵 Granted CN2118842U (zh)

Priority Applications (1)

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CN 92207647 CN2118842U (zh) 1992-04-23 1992-04-23 新型流量可调式旋涡泵

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 92207647 CN2118842U (zh) 1992-04-23 1992-04-23 新型流量可调式旋涡泵

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CN2118842U true CN2118842U (zh) 1992-10-14

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CN 92207647 Granted CN2118842U (zh) 1992-04-23 1992-04-23 新型流量可调式旋涡泵

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500787A (zh) * 2016-12-19 2017-03-15 湖北正源智能科技有限公司 一种基于物联网控制的限速调速智能水表
CN110454400A (zh) * 2019-02-25 2019-11-15 昆山奥兰克泵业制造有限公司 无级调速式多场合流体控制体系

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106500787A (zh) * 2016-12-19 2017-03-15 湖北正源智能科技有限公司 一种基于物联网控制的限速调速智能水表
CN110454400A (zh) * 2019-02-25 2019-11-15 昆山奥兰克泵业制造有限公司 无级调速式多场合流体控制体系

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