CN203081721U - Water pump energy-saving system - Google Patents

Water pump energy-saving system Download PDF

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Publication number
CN203081721U
CN203081721U CN201320011205.0U CN201320011205U CN203081721U CN 203081721 U CN203081721 U CN 203081721U CN 201320011205 U CN201320011205 U CN 201320011205U CN 203081721 U CN203081721 U CN 203081721U
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water
detection unit
frequency converter
intelligent control
water circulation
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CN201320011205.0U
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杨大智
魏艳峰
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AQUA WORTH (SUZHOU) ENVIRONMENTAL PROTECTION CO LTD
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Aqua Worth (Suzhou) Environmental Protection Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

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Abstract

一种水泵节能系统,包括检测单元、信号调理单元、水循环泵,其特征是还包括PLC智能控制单元、变频器,所述检测单元、信号调理单元、PLC智能控制单元、变频器、水循环泵依次连接。检测单元包括采集水压的压力表和采集流量的流量计,水循环泵包括连接至所述变频器输出端的电机,PLC根据检测单元采集的水压和流量信息控制变频器输出,变频器对水循环泵的电机做变频调速控制,使电机输出功率与系统负荷精确匹配。本实用新型一种水泵节能系统,节能效率可提高10%~40%,减小机械磨损。

Figure 201320011205

A water pump energy-saving system, comprising a detection unit, a signal conditioning unit, and a water circulation pump, characterized in that it also includes a PLC intelligent control unit, a frequency converter, the detection unit, a signal conditioning unit, a PLC intelligent control unit, a frequency converter, and a water circulation pump in sequence connect. The detection unit includes a pressure gauge for collecting water pressure and a flow meter for collecting flow. The water circulation pump includes a motor connected to the output end of the frequency converter. PLC controls the output of the frequency converter according to the water pressure and flow information collected by the detection unit. The frequency converter controls the water circulation pump. The motor is controlled by frequency conversion and speed regulation, so that the output power of the motor can be accurately matched with the system load. The utility model discloses an energy-saving system for a water pump, the energy-saving efficiency can be increased by 10% to 40%, and mechanical wear can be reduced.

Figure 201320011205

Description

一种水泵节能系统A water pump energy saving system

技术领域 technical field

 本实用新型涉及一种水泵节能系统,尤其涉及一种冷却水循环管理的水泵节能系统,属于资源高效开发与综合利用技术。 The utility model relates to a water pump energy-saving system, in particular to a water pump energy-saving system for cooling water circulation management, which belongs to the technology of efficient development and comprehensive utilization of resources.

背景技术 Background technique

目前很多按照传统模式或电控方式控制的水循环系统,在整个系统的使用负荷降低的时候,通常是通过调节阀门开度的大小来满足生产工艺的要求,但是水泵的电机却依然在全速运转,这样就大大的浪费了能源,同时加大了设备的损耗,增加了企业的生产成本。 At present, many water circulation systems controlled by the traditional mode or electronic control method usually meet the requirements of the production process by adjusting the valve opening when the load of the entire system is reduced, but the motor of the water pump is still running at full speed. This greatly wastes energy, increases the loss of equipment, and increases the production cost of the enterprise.

发明内容 Contents of the invention

针对现有水循环系统控制方面的上述缺陷,本实用新型提供一种水泵节能系统,节能效率可提高10%~40%,减小机械磨损。 Aiming at the above defects in the control of the existing water circulation system, the utility model provides a water pump energy-saving system, which can increase the energy-saving efficiency by 10% to 40% and reduce mechanical wear.

为了达到上述目的,本实用新型提供一种水泵节能系统,包括检测单元、水循环泵,其特征是所述水泵节能系统还包括PLC智能控制单元、变频器,所述检测单元、PLC智能控制单元、变频器、水循环泵依次连接。 In order to achieve the above object, the utility model provides a water pump energy-saving system, including a detection unit, a water circulation pump, characterized in that the water pump energy-saving system also includes a PLC intelligent control unit, a frequency converter, the detection unit, a PLC intelligent control unit, The frequency converter and the water circulation pump are connected in sequence.

优选的,所述检测单元与所述PLC智能控制单元之间还连接有信号调理单元。 Preferably, a signal conditioning unit is also connected between the detection unit and the PLC intelligent control unit.

优选的,所述检测单元包括采集水压的压力表和采集流量的流量计。 Preferably, the detection unit includes a pressure gauge for collecting water pressure and a flow meter for collecting flow.

优选的,水循环泵包括连接至所述变频器输出端的电机。 Preferably, the water circulation pump includes a motor connected to the output end of the frequency converter.

所述PLC智能控制单元根据信号调理单元处理的水压和流量给变频器控制信号,所述变频器响应PLC智能控制单元的信号对水循环泵的电机做变频调速控制,使电机输出功率与系统负荷精确匹配。 The PLC intelligent control unit sends control signals to the frequency converter according to the water pressure and flow processed by the signal conditioning unit, and the frequency converter responds to the signal of the PLC intelligent control unit to perform frequency conversion speed control on the motor of the water circulation pump, so that the output power of the motor is equal to that of the system. Loads are precisely matched.

与现有技术相比,本实用新型一种水泵节能系统根据实时采集来的压力和流量信息,PLC智能控制单元实时控制变频器来调节水循环泵电机的运转速度,使电机输出功率与系统负荷精确匹配,解决了电能损耗大的问题,提高了电能的使用效率,同时电机的转速实时调整,减小了机械磨损,整个系统由PLC智能控制,属于软启动,提高了供电的稳定性。 Compared with the prior art, a water pump energy-saving system of the utility model according to the pressure and flow information collected in real time, the PLC intelligent control unit controls the frequency converter in real time to adjust the running speed of the water circulation pump motor, so that the output power of the motor and the system load are accurate Matching solves the problem of large power loss and improves the efficiency of power use. At the same time, the speed of the motor is adjusted in real time to reduce mechanical wear. The entire system is intelligently controlled by PLC, which belongs to soft start and improves the stability of power supply.

附图说明 Description of drawings

图1是本实用新型的控制原理图 Fig. 1 is the control schematic diagram of the utility model

具体实施方式 Detailed ways

为了使本实用新型的目的及优点更加清楚明白,以下结合附图及实施例,对本实用新型进行进一步的详细说明。 In order to make the purpose and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

参考图1控制原理图,本实用新型一种水泵节能系统,主要包括检测单元10、信号调理单元20、PLC智能控制单元30、变频器40、水循环泵50。其特征是检测单元10包括设于所述水循环泵出水口处的压力表10a和设于冷却水出口处的流量计10b,所述检测单元10输出的模拟信号经过线路连接至所述信号调理单元,所述信号调理单元输出的数字信号经过线路连接至所述PLC智能控制单元,所述PPLC智能控制单元输出的脉冲信号经过线路连接至所述变频器控制端口,所述变频器输出模拟信号经过线路连接至所述水循环泵的电机。 Referring to the control schematic diagram in FIG. 1 , a water pump energy-saving system of the present invention mainly includes a detection unit 10 , a signal conditioning unit 20 , a PLC intelligent control unit 30 , a frequency converter 40 , and a water circulation pump 50 . It is characterized in that the detection unit 10 includes a pressure gauge 10a arranged at the water outlet of the water circulation pump and a flow meter 10b arranged at the outlet of the cooling water, and the analog signal output by the detection unit 10 is connected to the signal conditioning unit through a line , the digital signal output by the signal conditioning unit is connected to the PLC intelligent control unit through a line, the pulse signal output by the PPLC intelligent control unit is connected to the control port of the frequency converter through a line, and the analog signal output by the frequency converter is passed through A line is connected to the motor of the water circulation pump.

所述PLC智能控制单元根据信号调理单元处理的水压和流量给变频器控制信号,所述变频器响应PLC智能控制单元的信号对水循环泵的电机做变频调速控制,使电机输出功率与系统负荷精确匹配。 The PLC intelligent control unit sends control signals to the frequency converter according to the water pressure and flow processed by the signal conditioning unit, and the frequency converter responds to the signal of the PLC intelligent control unit to perform frequency conversion speed control on the motor of the water circulation pump, so that the output power of the motor is equal to that of the system. Loads are precisely matched.

以上所述,仅为本实用新型的具体实施方式,本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,可轻易想到的变化或替换,都应涵盖在本实用新型的保护范围之内。因此,本实用新型的保护范围应该以权利要求所界定的保护范围为准。 The above is only a specific embodiment of the utility model, and the protection scope of the utility model is not limited thereto. Any skilled person familiar with the technical field can easily think of changes or modifications within the technical scope disclosed in the utility model. Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (4)

1. a pump energy saving system comprises detection unit, water-circulating pump, it is characterized in that described pump energy saving system also comprises PLC intelligent control unit, frequency variator, and described detection unit, PLC intelligent control unit, frequency variator, water-circulating pump connect successively.
2. a kind of pump energy saving according to claim 1 system is characterized in that also being connected with the signal condition unit between described detection unit and the described PLC intelligent control unit.
3. a kind of pump energy saving according to claim 1 system is characterized in that described detection unit comprises the pressure gauge of gathering hydraulic pressure and the flowmeter of gathering flow.
4. a kind of pump energy saving according to claim 1 system is characterized in that described water-circulating pump comprises the motor that is connected to described inverter output terminal.
CN201320011205.0U 2013-01-10 2013-01-10 Water pump energy-saving system Expired - Lifetime CN203081721U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452824A (en) * 2013-09-06 2013-12-18 武汉理工大学 Fan and water pump energy saving system adopting minimum power algorithm based on flow-power curve
CN105864014A (en) * 2016-04-25 2016-08-17 广东博宇集团有限公司 Water pump control method, device and system
CN106194683A (en) * 2016-07-12 2016-12-07 核工业北京化工冶金研究院 A kind of immersible pump dynamic flow intelligence control system and method
CN107906023A (en) * 2017-11-08 2018-04-13 江苏国泉泵业制造有限公司 A kind of regulating valve of centrifugal pump is non-to close startup control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103452824A (en) * 2013-09-06 2013-12-18 武汉理工大学 Fan and water pump energy saving system adopting minimum power algorithm based on flow-power curve
CN103452824B (en) * 2013-09-06 2015-12-02 武汉理工大学 Based on the energy saving in fans and pumps system of the minimum power algorithm of flow-power curve
CN105864014A (en) * 2016-04-25 2016-08-17 广东博宇集团有限公司 Water pump control method, device and system
CN105864014B (en) * 2016-04-25 2017-10-13 广东博宇集团有限公司 Water pump control method, apparatus and system
CN106194683A (en) * 2016-07-12 2016-12-07 核工业北京化工冶金研究院 A kind of immersible pump dynamic flow intelligence control system and method
CN107906023A (en) * 2017-11-08 2018-04-13 江苏国泉泵业制造有限公司 A kind of regulating valve of centrifugal pump is non-to close startup control method

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Address after: The purple road high tech Zone of Suzhou City, Jiangsu Province, No. 55 215000

Patentee after: AQUA WORTH (SUZHOU) ENVIRONMENTAL PROTECTION CO.,LTD.

Address before: 215011 No. 55 Zijin Road, New District, Jiangsu, Suzhou

Patentee before: AQUA WORTH (SUZHOU) ENVIRONMENTAL PROTECTION Co.,Ltd.

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Granted publication date: 20130724

CX01 Expiry of patent term