CN202851391U - Control device of centrifugal pump - Google Patents
Control device of centrifugal pump Download PDFInfo
- Publication number
- CN202851391U CN202851391U CN 201220430993 CN201220430993U CN202851391U CN 202851391 U CN202851391 U CN 202851391U CN 201220430993 CN201220430993 CN 201220430993 CN 201220430993 U CN201220430993 U CN 201220430993U CN 202851391 U CN202851391 U CN 202851391U
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- centrifugal pump
- plc controller
- transducer
- control gear
- output terminal
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Abstract
The utility model discloses a control device of a centrifugal pump. The control device of the centrifugal pump comprises a motor, a frequency converter, a programmable logic controller (PLC), a touching screen and a data collecting system, wherein the data collecting system comprises a temperature sensor, an inlet pressure sensor, an outlet pressure sensor, a flow sensor and a vibration sensor, the temperature sensor is arranged at the position of a bearing inside the centrifugal pump, the inlet pressure sensor is arranged at the position of an inlet of the centrifugal pump, the outlet pressure sensor is arranged at the position of an outlet of the centrifugal pump, the flow sensor is arranged at the position of the outlet of the centrifugal pump, and the vibration sensor is arranged at the position of a bearing seat of the centrifugal pump. Output ends of the outlet pressure sensor, the inlet pressure sensor, the temperature sensor, the vibration sensor and the flow sensor are respectively connected with the PLC. An output end of the PLC is connected with the frequency converter and the touching screen, and an output end of the frequency converter is connected with the motor which is in control connection with the centrifugal pump. The control device of the centrifugal pump is accurate in flow control, high in efficiency and capable of saving electrical energy. The control device of the centrifugal pump has a flow displaying function and full-automatic monitoring is provided.
Description
Technical field
The utility model relates to a kind of centrifugal pump control gear.
Background technique
At present, Centrifugal Pump is regulated the modes that change the outlet valve aperture that adopt more, causes pump efficiency to descend, the waste mass energy.This regulative mode is difficult to regulate accurately simultaneously, and often based on experience, by manually repeatedly debugging, flow and lift can not directly obtain, and regulates to have larger blindness.
Summary of the invention
In order to overcome inefficiency, the energy waste that exists in the existing Centrifugal Pump adjustment process and to regulate the defectives such as inaccurate, the utility model provides a kind of centrifugal pump control gear.
The technical solution adopted in the utility model is:
The centrifugal pump control gear, it is characterized in that: comprise motor, frequency variator, the PLC controller, touch screen and data acquistion system, described data acquistion system comprises the temperature transducer that is arranged on centrifugal pump inner bearing place, be arranged on the inlet pressure transducer at centrifugal pump inlet place and the outlet pressure sensor in outlet port, the vibration transducer that is arranged on the flow transducer at outlet of centrifugal pump place and is arranged on centrifugal pump shaft bearing place, described outlet pressure sensor, inlet pressure transducer, temperature transducer, the output terminal of vibration transducer and flow transducer links to each other with described PLC controller respectively, the output terminal of described PLC controller respectively with described frequency variator, described touch screen links to each other, the output terminal of described frequency variator is connected with described motor, and described motor is connected with the centrifugal pump phase control.
Further, described PLC controller adopts the PID regulative mode.
Further, the output terminal of described PLC controller links to each other with described touch screen by the RS-485 interface.
Further, described control gear also comprises expansion module, and described expansion module links to each other with the output terminal of described PLC controller.
Further, described control gear also comprises warning device, and described warning device is connected with the output terminal of described PLC controller.
The utility model is in the centrifugal pump running, described PLC controller carries out the PID adjusting according to flux signal and the predefined flow value of PLC controller that flow transducer gathers, the frequency of output control signal control frequency variator, the rotating speed of control motor, thereby the rotating speed of control centrifugal pump, regulate the flow of centrifugal pump so that Centrifugal Pump maintains setting value, to reach accurate control flow, realize simultaneously energy-conservation purpose; Detect respectively bearing temperature and vibration of bearings speed by temperature transducer, vibration transducer, the PLC controller compares according to the signal of the sensor collection and the CLV ceiling limit value of setting, when wherein any one signal value surpasses CLV ceiling limit value, send alarm signal, and send the termination of pumping signal; The pressure transducer of importing and exporting by pump detects the centrifugal pump inlet and outlet pressure, and the PLC controller calculates centrifugal lift of pump according to the pressure signal that the pressure transducer of importing and exporting gathers; Each parameter is shown on the touch screen in real time.
When the utility model used, after centrifugal pump was installed this control gear, the user finished all operation control by touch screen.In parameter input required operating flux in interface is set; behind the starting operation; the PLC controller carries out the PID computing according to the flow of the real-time traffic that gathers and user's setting; operation values is exported to frequency variator by output module; as the given signal of frequency; through the repeatedly adjusting in the short time; the final output flow of pump will be stabilized on the flow of user's setting; controller can carry out integral operation to instantaneous flow; to determine accumulative total output stream value; calculate lift of pump according to the pressure signal that gathers simultaneously; above parameter all shows the running state of each sensor Real-Time Monitoring pump in real time by touch screen; system judges according to the threshold values that sets in advance in the program, when for example bearing temperature surpasses 80 ℃, and the control gear shutdown of can reporting to the police at once.
The beneficial effects of the utility model are embodied in:
1) the utility model adopts the frequency control way adjust flux, and efficient is high, good energy-conserving effect;
2) the utility model adopts the mode adjust flux of closed loop control, has higher flow control accuracy;
3) the utlity model has the running state monitoring function, be provided with warning device, improve the reliability of device;
4) operation control is finished by touch screen, and is simple and convenient.
Description of drawings
Fig. 1 is the utility model schematic diagram.
Fig. 2 is the utility model flow control schematic diagram.
Embodiment
See figures.1.and.2, the centrifugal pump control gear, it is characterized in that: comprise motor 6, frequency variator 5, PLC controller 2, touch screen 3 and data acquistion system, described data acquistion system comprises the temperature transducer 9 that is arranged on centrifugal pump 1 inner bearing place, be arranged on the inlet pressure transducer 8 of centrifugal pump 1 inlet and the outlet pressure sensor 7 in outlet port, the vibration transducer 10 that is arranged on the flow transducer 11 in centrifugal pump 1 outlet port and is arranged on centrifugal pump 1 bearing support place, described outlet pressure sensor 7, inlet pressure transducer 8, temperature transducer 9, the output terminal of vibration transducer 10 and flow transducer 11 links to each other with described PLC controller 2 respectively, the output terminal of described PLC controller 2 respectively with described frequency variator 5, described touch screen 3 links to each other, the output terminal of described frequency variator 5 is connected with described motor 6, and described motor 6 is connected with centrifugal pump 1 phase control.
Further, described PLC controller 2 adopts the PID regulative mode.
Further, the output terminal of described PLC controller 2 links to each other with described touch screen 3 by the RS-485 interface.
Further, described control gear also comprises expansion module, and described expansion module links to each other with the output terminal of described PLC controller 2.
Further, described control gear also comprises warning device 4, and described warning device 4 is connected with the output terminal of described PLC controller 2.
The utility model is in the centrifugal pump running, described PLC controller 2 carries out the PID adjusting according to flux signal and the PLC controller 2 predefined flow values that flow transducer 11 gathers, the frequency of output control signal control frequency variator 5, the rotating speed of control motor 6, thereby the rotating speed of control centrifugal pump 1, regulate the flow of centrifugal pump 1 so that centrifugal pump 1 flow maintains setting value, to reach accurate control flow, realize simultaneously energy-conservation purpose; Detect respectively bearing temperature and vibration of bearings speed by temperature transducer 9, vibration transducer 10, PLC controller 2 compares according to the signal of the sensor collection and the CLV ceiling limit value of setting, when wherein any one signal value surpasses CLV ceiling limit value, send alarm signal, and send the termination of pumping signal; The pressure transducer of importing and exporting by pump detects centrifugal pump 1 inlet and outlet pressure, and PLC controller 2 calculates centrifugal lift of pump according to the pressure signal that the pressure transducer of importing and exporting gathers; Each parameter is shown on the touch screen 3 in real time.
When the utility model used, after centrifugal pump 1 was installed this control gear, the user finished all operation control by touch screen 3.In parameter input required operating flux in interface is set; behind the starting operation; PLC controller 2 carries out the PID computing according to the flow of the real-time traffic that gathers and user's setting; operation values is exported to frequency variator by output module; as the given signal of frequency; through the repeatedly adjusting in the short time; the final output flow of pump will be stabilized on the flow of user's setting; controller can carry out integral operation to instantaneous flow; to determine accumulative total output stream value; calculate lift of pump according to the pressure signal that gathers simultaneously; above parameter all shows the running state of each sensor Real-Time Monitoring pump in real time by touch screen; system judges according to the threshold values that sets in advance in the program, when for example bearing temperature surpasses 80 ℃, and the control gear shutdown of can reporting to the police at once.
The described content of this specification embodiment only is enumerating the way of realization of inventive concept; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.
Claims (5)
1. centrifugal pump control gear, it is characterized in that: comprise motor, frequency variator, the PLC controller, touch screen and data acquistion system, described data acquistion system comprises the temperature transducer that is arranged on centrifugal pump inner bearing place, be arranged on the inlet pressure transducer at centrifugal pump inlet place and the outlet pressure sensor in outlet port, the vibration transducer that is arranged on the flow transducer at outlet of centrifugal pump place and is arranged on centrifugal pump shaft bearing place, described outlet pressure sensor, inlet pressure transducer, temperature transducer, the output terminal of vibration transducer and flow transducer links to each other with described PLC controller respectively, the output terminal of described PLC controller respectively with described frequency variator, described touch screen links to each other, the output terminal of described frequency variator is connected with described motor, and described motor is connected with the centrifugal pump phase control.
2. such as claim 1 described centrifugal pump control gear, it is characterized in that: described PLC controller adopts the PID regulative mode.
3. such as claim 1 or 2 described centrifugal pump control gear, it is characterized in that: the output terminal of described PLC controller links to each other with described touch screen by the RS-485 interface.
4. such as claim 1 described centrifugal pump control gear, it is characterized in that: described control gear also comprises expansion module, and described expansion module links to each other with the output terminal of described PLC controller.
5. such as the described centrifugal pump control gear of one of claim 1 ~ 4, it is characterized in that: described control gear also comprises warning device, and described warning device is connected with the output terminal of described PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220430993 CN202851391U (en) | 2012-08-28 | 2012-08-28 | Control device of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220430993 CN202851391U (en) | 2012-08-28 | 2012-08-28 | Control device of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851391U true CN202851391U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220430993 Expired - Fee Related CN202851391U (en) | 2012-08-28 | 2012-08-28 | Control device of centrifugal pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN202851391U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454563A (en) * | 2014-10-21 | 2015-03-25 | 苏州合欣美电子科技有限公司 | Flow control method of water pump |
| CN104675714A (en) * | 2015-02-13 | 2015-06-03 | 兴城市水泵制造有限公司 | Intelligent centrifugal pump |
| CN105317704A (en) * | 2015-11-26 | 2016-02-10 | 江苏大学 | Centrifugal pump operation condition judgment device and method |
| CN105864060A (en) * | 2016-05-04 | 2016-08-17 | 湖南睿胜能效管理技术有限公司 | Assessment method and system for operation effect of centrifugal pump |
| CN107051759A (en) * | 2017-06-19 | 2017-08-18 | 苏州市职业大学 | Horizontal screw centrifuge control system |
| CN107559213A (en) * | 2017-10-18 | 2018-01-09 | 南京腾图节能科技有限公司 | A kind of remote monitoring centrifugal pump of high height of drawing water |
| CN108071598A (en) * | 2016-11-15 | 2018-05-25 | 北京中和天万泵业有限责任公司 | A kind of safety monitoring control system of oil field oil transfer pump |
| CN108488075A (en) * | 2018-04-10 | 2018-09-04 | 浙江永发机电有限公司 | Centrifugal pump and magneto safe running control device and its regulation and control method |
| CN108799141A (en) * | 2018-08-14 | 2018-11-13 | 山东京博物流股份有限公司 | Loading system gravity flow pipeline energy saver and power-economizing method |
| CN109185174A (en) * | 2018-09-29 | 2019-01-11 | 重庆洲亿节能技术有限公司 | A kind of energy-saving pump |
| CN110114580A (en) * | 2016-11-14 | 2019-08-09 | 流体处理有限责任公司 | Pump management based on cloud and control technology customize liquid circulation component |
| CN111503012A (en) * | 2020-04-15 | 2020-08-07 | 中水淮河规划设计研究有限公司 | Intelligent water supply adjusting system and method based on pump station circulation technology |
| CN112761707A (en) * | 2021-01-19 | 2021-05-07 | 中国矿业大学 | Integrated preparation system of active agent solution for underground coal mine spraying dust fall |
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2012
- 2012-08-28 CN CN 201220430993 patent/CN202851391U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454563A (en) * | 2014-10-21 | 2015-03-25 | 苏州合欣美电子科技有限公司 | Flow control method of water pump |
| CN104675714A (en) * | 2015-02-13 | 2015-06-03 | 兴城市水泵制造有限公司 | Intelligent centrifugal pump |
| CN105317704A (en) * | 2015-11-26 | 2016-02-10 | 江苏大学 | Centrifugal pump operation condition judgment device and method |
| CN105317704B (en) * | 2015-11-26 | 2017-01-11 | 江苏大学 | Centrifugal pump operation condition judgment method |
| CN105864060A (en) * | 2016-05-04 | 2016-08-17 | 湖南睿胜能效管理技术有限公司 | Assessment method and system for operation effect of centrifugal pump |
| CN110114580A (en) * | 2016-11-14 | 2019-08-09 | 流体处理有限责任公司 | Pump management based on cloud and control technology customize liquid circulation component |
| CN110114580B (en) * | 2016-11-14 | 2021-02-19 | 流体处理有限责任公司 | Customizing liquid circulation components based on cloud-based pump management and control techniques |
| US10920769B2 (en) | 2016-11-14 | 2021-02-16 | Fluid Handling Llc | Pump cloud-based management and control technique customized hydronic components |
| CN108071598A (en) * | 2016-11-15 | 2018-05-25 | 北京中和天万泵业有限责任公司 | A kind of safety monitoring control system of oil field oil transfer pump |
| CN107051759A (en) * | 2017-06-19 | 2017-08-18 | 苏州市职业大学 | Horizontal screw centrifuge control system |
| CN107559213A (en) * | 2017-10-18 | 2018-01-09 | 南京腾图节能科技有限公司 | A kind of remote monitoring centrifugal pump of high height of drawing water |
| CN108488075A (en) * | 2018-04-10 | 2018-09-04 | 浙江永发机电有限公司 | Centrifugal pump and magneto safe running control device and its regulation and control method |
| CN108488075B (en) * | 2018-04-10 | 2024-02-20 | 浙江永发机电有限公司 | Centrifugal pump and permanent magnet motor safe operation control device and regulation and control method thereof |
| CN108799141A (en) * | 2018-08-14 | 2018-11-13 | 山东京博物流股份有限公司 | Loading system gravity flow pipeline energy saver and power-economizing method |
| CN109185174A (en) * | 2018-09-29 | 2019-01-11 | 重庆洲亿节能技术有限公司 | A kind of energy-saving pump |
| CN111503012A (en) * | 2020-04-15 | 2020-08-07 | 中水淮河规划设计研究有限公司 | Intelligent water supply adjusting system and method based on pump station circulation technology |
| CN112761707A (en) * | 2021-01-19 | 2021-05-07 | 中国矿业大学 | Integrated preparation system of active agent solution for underground coal mine spraying dust fall |
| CN112761707B (en) * | 2021-01-19 | 2022-02-08 | 中国矿业大学 | Integrated preparation system of active agent solution for underground coal mine spraying dust fall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |