CN103821706A - Method for controlling flow of peristaltic pump accurately by means of gear motor - Google Patents
Method for controlling flow of peristaltic pump accurately by means of gear motor Download PDFInfo
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- CN103821706A CN103821706A CN201410064951.5A CN201410064951A CN103821706A CN 103821706 A CN103821706 A CN 103821706A CN 201410064951 A CN201410064951 A CN 201410064951A CN 103821706 A CN103821706 A CN 103821706A
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Abstract
The invention discloses a method for controlling the flow of a peristaltic pump accurately by means of a gear motor. The method for controlling the flow of the peristaltic pump accurately by means of the gear motor comprises the steps that a sensor is arranged at the position of a pump head of the peristaltic pump firstly, the sensor is connected with a controller, the output end of the controller is connected to a peristaltic pump driver, and the output flow of the peristaltic pump is measured by counting the number of times of rotation of the pump head. The method for controlling the flow of the peristaltic pump accurately by means of the gear motor has the advantages of being high in reliability, accurate in measurement, capable of adjusting the flow, convenient to use, high in adaptability and the like; meanwhile, the problem that liquid is limited to a certain degree when a traditional flow measurement and control method is adopted is solved, and the method can be widely applied to the field of liquid measurement and sewage detection.
Description
Technical field
The present invention relates to this control field of wriggling, particularly relate to a kind of reducing motor and accurately control for peristaltic pump the method for flow.
Background technique
Peristaltic pump is just as be full of the flexible pipe of fluid with one of pinching of finger, move forward along with pointing sliding tube inner fluid forward, peristaltic pump is also that this principle has just replaced finger by roller, by the elasticity delivery hose to pump hocket extruding and discharge come pumping fluid.In liquid detecting etc. field extensive application, but the flow control control accuracy of traditional sensor and pump is not high, has certain limitation for measuring liquid.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of reducing motor accurately controls the method for flow for peristaltic pump, by using photoelectric sensor to replace traditional sensors, improve flow detection precision, by using peristaltic pump and step-by-step counting mode control flow, guaranteed control accuracy; There is the advantages such as reliability is high, metering is accurate, flow is adjustable, easy to use, adaptability is good, avoided traditional flow measurement simultaneously and controlled the problem that liquid is existed to certain limitation, in liquid meter and sewage detection field extensive application.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: provide a kind of reducing motor accurately to control the method for flow for peristaltic pump, comprise: flow setting type control and constant flux control two-part, described flow setting type control control pump is exported a certain amount of liquid, the stable output flow of described constant flux control control;
Flow setting type controlling method is: take sensor signal as input, gathered the rotating speed of Peristaltic pump head by sensor, first stage drives driver full speed running by controller, count * unit volume by the every circle unit volume of flow velocity=rotating speed * and calculate flow velocity simultaneously, count * unit volume by flow=number of turns * circle unit volume and calculate flow, by the setting value comparison in the flow velocity value calculating and controller, in the time that approaching setting value 3/4, flow value enters second stage, draw driving parameter by controller, run slowly by driver control algorithm control peristaltic pump driver, when approaching setting value, flow value enters the phase III, controller is by driving the speed operation of driver with 1RPM, in the time that reaching setting value, flow stops pump work.
Constant flux control method is take sensor signal as input, gathered the rotating speed of Peristaltic pump head by sensor, count * unit volume by the every circle unit volume of flow velocity=rotating speed * and calculate flow velocity, count * unit volume by flow=number of turns * circle unit volume and calculate flow, by the setting value comparison in the flow velocity value calculating and controller, draw driving parameter, by driver control algorithm control peristaltic pump driver.
In a preferred embodiment of the present invention, the pump head place that the annexation of described each assembly is peristaltic pump arranges sensor, and sensor is connected with controller, and the output of controller is connected to peristaltic pump driver.
In a preferred embodiment of the present invention, described sensor is photoelectric sensor, and sensor output signal is pulse signal.
In a preferred embodiment of the present invention, described peristaltic pump driver is reducing motor.
In a preferred embodiment of the present invention, described driver control algorithm is that PID controls.
The invention has the beneficial effects as follows: the method that a kind of reducing motor of the present invention is accurately controlled flow for peristaltic pump is realized the locking of knife rest and unclamped by pneumatic mode, realize the accurate tool changing of knife rest by actuating motor and synchronous pulley, have that unfailing performance is high, registration, compact structure, transposition speed is fast, noise is little, the advantage such as cheap, simultaneously the application of miniature numerical control lathe and universal on have market prospects widely.
Embodiment
To the technological scheme in the embodiment of the present invention be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skills, not making all other embodiments that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention comprises:
Reducing motor is accurately controlled a method for flow for peristaltic pump, comprising: flow setting type control and constant flux control two-part, and described flow setting type control control pump is exported a certain amount of liquid, the stable output flow of described constant flux control control;
Flow setting type controlling method is: take sensor signal as input, gathered the rotating speed of Peristaltic pump head by sensor, first stage drives driver full speed running by controller, count * unit volume by the every circle unit volume of flow velocity=rotating speed * and calculate flow velocity simultaneously, count * unit volume by flow=number of turns * circle unit volume and calculate flow, by the setting value comparison in the flow velocity value calculating and controller, in the time that approaching setting value 3/4, flow value enters second stage, draw driving parameter by controller, run slowly by driver control algorithm control peristaltic pump driver, when approaching setting value, flow value enters the phase III, controller is by driving the speed operation of driver with 1RPM, in the time that reaching setting value, flow stops pump work.
Constant flux control method is take sensor signal as input, gathered the rotating speed of Peristaltic pump head by sensor, count * unit volume by the every circle unit volume of flow velocity=rotating speed * and calculate flow velocity, count * unit volume by flow=number of turns * circle unit volume and calculate flow, by the setting value comparison in the flow velocity value calculating and controller, draw driving parameter, by driver control algorithm control peristaltic pump driver.
The annexation of described each assembly is that the pump head place of peristaltic pump arranges sensor, and sensor is connected with controller, and the output of controller is connected to peristaltic pump driver, utilizes closed loop control that high-precision detection and control ability are provided.
Described sensor is photoelectric sensor, and sensor output signal is pulse signal, has good testing precision.
Described peristaltic pump driver is reducing motor, and driving force is large, and precision is high, and speed is easy to adjust.
Described driver control algorithm is that PID controls, and control algorithm is comparatively simple, easy to adjust, respond well, has good practicability.
The beneficial effect that a kind of reducing motor of the present invention is accurately controlled the method for flow for peristaltic pump is:
One, by using photoelectric sensor to replace traditional sensors, improved flow detection precision;
Two, by using peristaltic pump and step-by-step counting mode control flow, guaranteed control accuracy;
Three, there is the advantages such as reliability is high, metering is accurate, flow is adjustable, easy to use, adaptability is good, avoided traditional flow measurement simultaneously and controlled the problem that liquid is existed to certain limitation, in liquid meter and sewage detection field extensive application.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a reducing motor is accurately controlled the method for flow for peristaltic pump, it is characterized in that, comprise: flow setting type control and constant flux control two-part, described flow setting type control control pump is exported a certain amount of liquid, the stable output flow of described constant flux control control;
Flow setting type controlling method is: take sensor signal as input, gathered the rotating speed of Peristaltic pump head by sensor, first stage drives driver full speed running by controller, count * unit volume by the every circle unit volume of flow velocity=rotating speed * and calculate flow velocity simultaneously, count * unit volume by flow=number of turns * circle unit volume and calculate flow, by the setting value comparison in the flow velocity value calculating and controller, in the time that approaching setting value 3/4, flow value enters second stage, draw driving parameter by controller, run slowly by driver control algorithm control peristaltic pump driver, when approaching setting value, flow value enters the phase III, controller is by driving the speed operation of driver with 1RPM, in the time that reaching setting value, flow stops pump work.
2. constant flux control method is take sensor signal as input, gathered the rotating speed of Peristaltic pump head by sensor, count * unit volume by the every circle unit volume of flow velocity=rotating speed * and calculate flow velocity, count * unit volume by flow=number of turns * circle unit volume and calculate flow, by the setting value comparison in the flow velocity value calculating and controller, draw driving parameter, by driver control algorithm control peristaltic pump driver.
3. a kind of reducing motor according to claim 1 is accurately controlled the method for flow for peristaltic pump, it is characterized in that, the annexation of described each assembly is that the pump head place of peristaltic pump arranges sensor, and sensor is connected with controller, and the output of controller is connected to peristaltic pump driver.
4. a kind of reducing motor according to claim 1 is accurately controlled the method for flow for peristaltic pump, it is characterized in that, described sensor is photoelectric sensor, and sensor output signal is pulse signal.
5. a kind of reducing motor according to claim 1 is accurately controlled the method for flow for peristaltic pump, it is characterized in that, described peristaltic pump driver is reducing motor.
6. a kind of reducing motor according to claim 1 is accurately controlled the method for flow for peristaltic pump, it is characterized in that, described driver control algorithm is that PID controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064951.5A CN103821706A (en) | 2014-02-26 | 2014-02-26 | Method for controlling flow of peristaltic pump accurately by means of gear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064951.5A CN103821706A (en) | 2014-02-26 | 2014-02-26 | Method for controlling flow of peristaltic pump accurately by means of gear motor |
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| CN103821706A true CN103821706A (en) | 2014-05-28 |
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| CN201410064951.5A Pending CN103821706A (en) | 2014-02-26 | 2014-02-26 | Method for controlling flow of peristaltic pump accurately by means of gear motor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215284A (en) * | 2014-10-09 | 2014-12-17 | 许天罡 | Detection method and detection system for flow rate of brush air pump |
| CN106681224A (en) * | 2017-01-24 | 2017-05-17 | 中南大学 | Method and system for quantitatively extracting solution |
| CN106841068A (en) * | 2017-01-23 | 2017-06-13 | 北京雪迪龙科技股份有限公司 | Prepare the body method of mercury vapour containing extra fine quality and Mercury In The Air monitoring system calibration method |
| CN107191364A (en) * | 2017-07-21 | 2017-09-22 | 上海艾瑞德生物科技有限公司 | A kind of peristaltic pump fluid path scaling system and scaling method |
| CN107212788A (en) * | 2017-06-30 | 2017-09-29 | 宁夏佑安医疗器械有限公司 | Vertical integrated-type public hand disinfection intelligent terminal |
| CN109404265A (en) * | 2018-02-09 | 2019-03-01 | 天津金菩提科技有限公司 | A kind of calibration data sampling apparatus of peristaltic pump and the accurate quantification calibration method of peristaltic pump |
| WO2019085155A1 (en) * | 2017-10-31 | 2019-05-09 | 四川南格尔生物科技有限公司 | High-precision peristaltic pump flow rate control system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215284A (en) * | 2014-10-09 | 2014-12-17 | 许天罡 | Detection method and detection system for flow rate of brush air pump |
| CN106841068A (en) * | 2017-01-23 | 2017-06-13 | 北京雪迪龙科技股份有限公司 | Prepare the body method of mercury vapour containing extra fine quality and Mercury In The Air monitoring system calibration method |
| CN106681224A (en) * | 2017-01-24 | 2017-05-17 | 中南大学 | Method and system for quantitatively extracting solution |
| CN106681224B (en) * | 2017-01-24 | 2019-04-19 | 中南大学 | A kind of method and system quantitatively extracting solution |
| CN107212788A (en) * | 2017-06-30 | 2017-09-29 | 宁夏佑安医疗器械有限公司 | Vertical integrated-type public hand disinfection intelligent terminal |
| CN107191364A (en) * | 2017-07-21 | 2017-09-22 | 上海艾瑞德生物科技有限公司 | A kind of peristaltic pump fluid path scaling system and scaling method |
| WO2019085155A1 (en) * | 2017-10-31 | 2019-05-09 | 四川南格尔生物科技有限公司 | High-precision peristaltic pump flow rate control system |
| CN109404265A (en) * | 2018-02-09 | 2019-03-01 | 天津金菩提科技有限公司 | A kind of calibration data sampling apparatus of peristaltic pump and the accurate quantification calibration method of peristaltic pump |
| CN109404265B (en) * | 2018-02-09 | 2020-06-30 | 天津金菩提科技有限公司 | Accurate quantitative calibration method for peristaltic pump |
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Application publication date: 20140528 |