CN105508233A - Metering pump system capable of measuring and automatically correcting flow rate - Google Patents
Metering pump system capable of measuring and automatically correcting flow rate Download PDFInfo
- Publication number
- CN105508233A CN105508233A CN201510906881.8A CN201510906881A CN105508233A CN 105508233 A CN105508233 A CN 105508233A CN 201510906881 A CN201510906881 A CN 201510906881A CN 105508233 A CN105508233 A CN 105508233A
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- CN
- China
- Prior art keywords
- metering pump
- flow
- button
- control system
- flow rate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
Abstract
The invention discloses a metering pump system capable of measuring and automatically correcting a flow rate. The metering pump system comprises a metering pump used for controlling a flow rate of a flowing liquid, a detection system connected to the metering pump, and used for detecting the flow rate of the liquid, and a control system connected to the metering pump and the detection system, and used for controlling the metering pump to adjust the flow rate of the liquid according to the flow rate of the liquid, which is detected by the detection system. The metering pump system capable of measuring and automatically correcting the flow rate, which is disclosed by the invention, is simple in structure, low in cost, and capable of adjusting the flow rate of the liquid at any time.
Description
Technical field
The present invention relates to diluted fluid metering pump system, and survey and the metering pump system of automatic calibration flow in particular to a kind of.
Background technique
Metering pump a kind ofly can meet various strict technological process needs, flow can within the scope of 0-100% step-less adjustment, be used for carrying liquid (particularly corrosive liquids) a kind of special displacement pump.Metering pump also claims metering pump or dosing pump.Metering pump belongs to reciprocating volumetric pump, for accurate measurement, usually require the steady state accuracy of metering pump be no more than ± 1%.Along with modernization industry is towards the development of automation mechanized operation, this situation of far distance automatic controlling, the matching performance of metering pump is strong, adapt to medium (liquid) widely advantage particularly seem outstanding.
Metering pump is the one of fluid conveying machine, and its outstanding feature to keep the constant flow rate irrelevant with head pressure.Use the function that metering pump can complete conveying, metering simultaneously and regulate, thus simplify flow.Use multiple stage metering pump, several medium can be mixed by actual ratio input technological process.Outstanding due to himself, nowadays metering pump has been widely used in each industrial fields such as petrochemical industry, pharmacy, food.
In existing metering pump, used is all traditional metering pump housing, manually carrys out rotary current regulating handle, and then the flow of regulates liquid.Such way reaches the object as a metering pump---the adjustment of flow.But artificial factor participation is too many, just has too many error, does not reach certain precision.Next adds the mechanical fatigue of engineering goods itself, wearing and tearing etc.Along with the increase gradually of service time, the machine error of metering pump itself also can be increasing.Greatly will reduce the service precision of metering pump like this.If add in using process and will change flow continually, so also have temporal increase.Higher for some traffic requirements, the use occasion of efficient, such metering pump just can not employ.
Summary of the invention
The present invention proposes a kind of survey and the metering pump system of automatic calibration flow, and structure is simple, and cost is lower, and can regulates liquid flow at any time.
In order to achieve the above object, the present invention proposes a kind of survey and the metering pump system of automatic calibration flow, comprising:
Metering pump, for the fluid flow of control flow check warp;
Detection system, is connected to described metering pump, for tracer liquid flow;
Control system, is connected to described metering pump and described detection system, controls described metering pump regulates liquid flow according to the fluid flow that described detection system detects.
Further, also comprise control inputs panel, be connected to described control system, for control inputs fluid flow.
Further, described control inputs panel is the display screen with button.
Further, the increase and decrease button that described button comprises numeric input buttons, runs button, pause button and carrying out is finely tuned.
Further, described metering pump is provided with rotatable handle, for controlling the flow of described metering pump.
Further, described rotatable handle is connected with stepper motor, drives described stepper motor to rotate described rotatable handle, thus regulate the flow of described metering pump by described control system.
Further, fluid flow after described metering pump is detected data and is transferred to control system by described detection system, and compare setting data on flows in these data and control system, when both are inconsistent, described control system controls metering pump regulates liquid flow till both are consistent.
What the present invention proposed surveys and the metering pump system of automatic calibration flow, based on the improvement a little of conventional metered dose pump, cost is lower, simplicity of design, described metering pump system can Flow-rate adjustment in arbitrary process, required flow number is displayed by display screen, and the increase as can be pressed display screen side to change uninterrupted subtracts button and regulates, or directly button input is arranged.
Accompanying drawing explanation
It is the metering pump system structural representation of present pre-ferred embodiments described in Fig. 1.
Embodiment
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing, but the invention is not restricted to following mode of execution.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only for object that is convenient, the aid illustration embodiment of the present invention lucidly.
Please refer to Fig. 1, is the metering pump system structural representation of present pre-ferred embodiments described in Fig. 1.The present invention proposes a kind of survey and the metering pump system of automatic calibration flow, comprising: metering pump 100, for the fluid flow of control flow check warp; Detection system 200, is connected to described metering pump 100, for tracer liquid flow; Control system 300, is connected to described metering pump 100 and described detection system 200, controls described metering pump 100 regulates liquid flow according to the fluid flow that described detection system 200 detects.
According to present pre-ferred embodiments, this system also comprises control inputs panel 400, is connected to described control system 300, for control inputs fluid flow.Described control inputs panel 400 is the display screen with button.Further, the increase and decrease button that described button comprises numeric input buttons, runs button, pause button and carrying out is finely tuned.
Described metering pump 100 is provided with rotatable handle, for controlling the flow of described metering pump 100.Further, described rotatable handle is connected with stepper motor, drives described stepper motor to rotate described rotatable handle by described control system 300, thus regulates the flow of described metering pump 100.Described control system 300 adopts PLC, the SC sigmal control that stepper motor is sent by PLC, and the signal of PLC is by control inputs panel 400 input signal generation above.
Fluid flow after described metering pump 100 is detected data and is transferred to control system 300 by described detection system 200, and compare setting data on flows in these data and control system 300, when both are inconsistent, described control system 300 controls metering pump 100 regulates liquid flow till both are consistent.
What the present invention proposed surveys and the metering pump system of automatic calibration flow, its specific works process is as follows: when flow quantity detecting system detects the concrete numerical value of the conveying fluid flow that metering pump supply is come time, it is converted to signal and flows to control system, this detection system sends to the signal of control system to send to the signal of control system to be the same with by control inputs panel.When giving control system after the artificial input signal of control panel, and then drive stepper motor rotation metering pump rotatable handle to rotate a certain angle, thus carry out adjust flux.Afterwards from microprocessor pump drive out through detection system, the numerical value obtained after detection system is measured is converted to signal, then the program flowed to inside control panel contrasts with it.If both numerical value is different, this program can regulate automatically, automatically sends to stepper motor signal, until the value that the flow detected inputs before being us inside display screen is the same.The flow control accuracy of metering pump depends on the precision of stepper motor and the precision of detection system, and the accuracy of manufacturing of metering pump itself.According to existing metering pump on the market with precision be a thousandth, the precision of metering pump so of the present invention completely can very close to this numerical value.
In sum, what the present invention proposed surveys and the metering pump system of automatic calibration flow, based on the improvement a little of conventional metered dose pump, cost is lower, simplicity of design, described metering pump system can Flow-rate adjustment in arbitrary process, and required flow number is displayed by display screen, increase as can be pressed display screen side to change uninterrupted subtracts button and regulates, or directly button input is arranged.
Although the present invention with preferred embodiment disclose as above, so itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (7)
1. can survey and a metering pump system for automatic calibration flow, it is characterized in that, comprising:
Metering pump, for the fluid flow of control flow check warp;
Detection system, is connected to described metering pump, for tracer liquid flow;
Control system, is connected to described metering pump and described detection system, controls described metering pump regulates liquid flow according to the fluid flow that described detection system detects.
2. metering pump system according to claim 1, is characterized in that, also comprises control inputs panel, is connected to described control system, for control inputs fluid flow.
3. metering pump system according to claim 2, is characterized in that, described control inputs panel is the display screen with button.
4. metering pump system according to claim 3, is characterized in that, the increase and decrease button that described button comprises numeric input buttons, runs button, pause button and carrying out is finely tuned.
5. metering pump system according to claim 1, is characterized in that, described metering pump is provided with rotatable handle, for controlling the flow of described metering pump.
6. metering pump system according to claim 5, is characterized in that, described rotatable handle is connected with stepper motor, drives described stepper motor to rotate described rotatable handle, thus regulate the flow of described metering pump by described control system.
7. metering pump system according to claim 1, it is characterized in that, fluid flow after described metering pump is detected data and is transferred to control system by described detection system, and compare setting data on flows in these data and control system, when both are inconsistent, described control system controls metering pump regulates liquid flow till both are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906881.8A CN105508233A (en) | 2015-12-09 | 2015-12-09 | Metering pump system capable of measuring and automatically correcting flow rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510906881.8A CN105508233A (en) | 2015-12-09 | 2015-12-09 | Metering pump system capable of measuring and automatically correcting flow rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508233A true CN105508233A (en) | 2016-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510906881.8A Pending CN105508233A (en) | 2015-12-09 | 2015-12-09 | Metering pump system capable of measuring and automatically correcting flow rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774462A (en) * | 2016-11-17 | 2017-05-31 | 浙江工业大学 | Using the detection of digital frequency conversion controller and the method for regulation flow under DCS environment |
| CN108762319A (en) * | 2018-05-24 | 2018-11-06 | 北京朝阳高科应用技术研究所有限公司 | Weight for petrol engine air admission valve deposits simulation test machine quantifies pumping installations |
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|---|---|---|---|---|
| DE3308614A1 (en) * | 1982-05-28 | 1983-12-22 | Veb Kombinat Pumpen Und Verdichter, Ddr 4020 Halle | Device for indicating the stroke length of controlled-volume pumps |
| CN2908859Y (en) * | 2006-05-22 | 2007-06-06 | 万奥普（北京）石油工程技术开发研究院有限公司 | Stroke regulation controller of metering pump |
| WO2007082637A1 (en) * | 2006-01-12 | 2007-07-26 | Rehau Ag + Co | Method for monitoring the wear and tear of pumps and pumps for carrying out said method |
| CN203098176U (en) * | 2012-11-28 | 2013-07-31 | 钛谷（天津）科技有限公司 | Novel metering pump |
| CN204239214U (en) * | 2014-06-27 | 2015-04-01 | 浙江伊诺环保科技有限公司 | Micro-measurement pump flow control system |
| CN104739139A (en) * | 2015-04-09 | 2015-07-01 | 周士志 | Novel multipurpose fruit dish structure |
-
2015
- 2015-12-09 CN CN201510906881.8A patent/CN105508233A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3308614A1 (en) * | 1982-05-28 | 1983-12-22 | Veb Kombinat Pumpen Und Verdichter, Ddr 4020 Halle | Device for indicating the stroke length of controlled-volume pumps |
| WO2007082637A1 (en) * | 2006-01-12 | 2007-07-26 | Rehau Ag + Co | Method for monitoring the wear and tear of pumps and pumps for carrying out said method |
| CN2908859Y (en) * | 2006-05-22 | 2007-06-06 | 万奥普（北京）石油工程技术开发研究院有限公司 | Stroke regulation controller of metering pump |
| CN203098176U (en) * | 2012-11-28 | 2013-07-31 | 钛谷（天津）科技有限公司 | Novel metering pump |
| CN204239214U (en) * | 2014-06-27 | 2015-04-01 | 浙江伊诺环保科技有限公司 | Micro-measurement pump flow control system |
| CN104739139A (en) * | 2015-04-09 | 2015-07-01 | 周士志 | Novel multipurpose fruit dish structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774462A (en) * | 2016-11-17 | 2017-05-31 | 浙江工业大学 | Using the detection of digital frequency conversion controller and the method for regulation flow under DCS environment |
| CN108762319A (en) * | 2018-05-24 | 2018-11-06 | 北京朝阳高科应用技术研究所有限公司 | Weight for petrol engine air admission valve deposits simulation test machine quantifies pumping installations |
| CN108762319B (en) * | 2018-05-24 | 2021-06-25 | 北京朝阳高科应用技术研究所有限公司 | Weighing quantitative pumping device for gasoline engine intake valve deposit simulation testing machine |
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Application publication date: 20160420 |