CN109060389A - A kind of system and detection method detecting solid pump real time volume efficiency - Google Patents
A kind of system and detection method detecting solid pump real time volume efficiency Download PDFInfo
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- CN109060389A CN109060389A CN201810539213.XA CN201810539213A CN109060389A CN 109060389 A CN109060389 A CN 109060389A CN 201810539213 A CN201810539213 A CN 201810539213A CN 109060389 A CN109060389 A CN 109060389A
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- pressure
- solid pump
- pressure sensor
- controller
- solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
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- General Physics & Mathematics (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The present invention relates to solid pump real time volume Efficiency testing technical field, in particular to a kind of system and detection method for detecting solid pump real time volume efficiency.It includes first pressure sensor, displacement sensor and controller；The first pressure sensor, institute's displacement sensors are connect with the controller；The first pressure sensor is mounted on solid pump discharge, for detecting solid pump discharge pressure；Institute's displacement sensors are mounted in the master cylinder of solid pump, for detecting the piston position of solid pump；The controller, for reading, showing and storing the data of the first pressure sensor, institute's displacement sensors.The system of detection solid pump real time volume efficiency provided by the present invention, using the outlet pressure data of same time as abscissa, piston displacement data establish the relationship coordinate diagram between outlet pressure and piston displacement as ordinate；It can be convenient the real-time solvent efficiency for quickly calculating each pumping circulation of solid pump according to coordinate diagram.
Description
Technical field
The present invention relates to the solid pump real time volume Efficiency testing technical field, in particular to a kind of detection solid pump is real
When volumetric efficiency system and detection method.
Background technique
In hazardous waste treatment process, it is often necessary to use the solid pump, be conveyed using the solid pump dangerous useless
Object material needs to consider the volumetric efficiency of the solid pump when calculating hazardous waste material conveying speed, sticky for high concentration
Solid dangerous waste material, the volumetric efficiency of the solid pump is lower than 1, and previous empirical value is defaulted as volumetric efficiency 1, or
It is 0.7~0.9 that rough estimate, which sucks volumetric efficiency, so that calculated result is inaccurate.
It is calculated by existing mathematical model, the parameter being related to is more, and each parameter value is not easy to obtain, real-time detection institute
State the volumetric efficiency of solid pump.
Summary of the invention
The purpose of the present invention is to provide a kind of systems for detecting solid pump real time volume efficiency, are used to described in real-time detection
The volumetric efficiency of solid pump；
Another object of the present invention is to provide a kind of detection methods of system for detecting solid pump real time volume efficiency, use
To calculate the real time volume efficiency of the solid pump.
The purpose of the present invention is what is realized by following technical proposals:
A kind of system detecting solid pump real time volume efficiency comprising first pressure sensor, displacement sensor and control
Device processed；The first pressure sensor, institute's displacement sensors are connect with the controller；
The first pressure sensor is mounted on solid pump discharge, for detecting the solid pump discharge pressure；
Institute's displacement sensors are mounted in the master cylinder of the solid pump, for detecting the piston position of the solid pump
It sets；
The controller, for reading, showing and storing the number of the first pressure sensor, institute's displacement sensors
According to.
Further, the first pressure sensor includes pressure probe, package casing, circuit board and liquid crystal display；
The pressure probe is mounted on the package casing upper end, and the liquid crystal display is mounted on the package casing lower end, described
Circuit board is mounted in the package casing；The pressure probe, the liquid crystal display are connect with the circuit board；It is described
Pressure probe includes pressure sensor piece and mounting base, and the pressure sensor piece is mounted on the mounting base upper end；The feeling of stress
Answer piece by being made with a thickness of the stainless steel plate of 4~6mm.
Further, the circuit board is equipped with RS-485 interface.
Further, the first pressure sensor, institute's displacement sensors are total by RS-485 with the controller
Line connection.
It further, further include second pressure sensor, the second pressure sensor is connect with the controller, described
Second pressure sensor is mounted in the master cylinder of the solid pump, for detecting the master cylinder pressure of the solid pump.
Further, institute's displacement sensors are BALLUFF micropulse linear displacement transducer.
Further, the controller is S7-200 controller.
A kind of detection method of the system according to above-described detection solid pump real time volume efficiency, it is characterised in that:
The first step, the outlet pressure of solid pump described in the first pressure sensor real-time detection, institute's displacement sensors
The piston position of solid pump described in real-time detection, and pass data to the controller；
Second step, the controller reads, stores and show the first pressure sensor, the number of institute's displacement sensors
According to；
Third step, using the outlet pressure data of same time as abscissa, piston displacement data are established as ordinate
Relationship coordinate diagram between outlet pressure and piston displacement；
4th step, coordinate diagram are shown, with the increase of piston displacement, outlet pressure initially enters rapid increase stage, so
Enter plateau afterwards, sets the starting point piston displacement value of outlet pressure rapid increase stage as a, outlet pressure plateau
Starting point piston displacement value is b, and the terminal piston displacement value of outlet pressure plateau is c, then the volumetric efficiency of the solid pump
Are as follows:
Further, the master cylinder pressure of solid pump described in the second pressure sensor real-time detection, and data are passed
Pass the controller；The controller reading, the data for storing and showing the second pressure sensor.
Further, the master cylinder pressure p detected according to the second pressure sensor calculates institute using following equation
State the outlet pressure p of solid pump1,
Wherein: D1For main cylinder diameter, mm；
D2For the solid pump outlet diameter, mm；
pfMaster cylinder pressure when for master cylinder null, KPa；
The outlet pressure p for the solid pump that comparing calculation goes out1It is detected with the first pressure sensor described solid
The outlet pressure of body pump, judges whether the outlet pressure for the solid pump that the first pressure sensor detects is accurate.
The invention has the following advantages over the prior art:
1. the system of detection solid pump real time volume efficiency of the present invention comprising first pressure sensor, displacement pass
Sensor and controller；The first pressure sensor, institute's displacement sensors are connect with the controller；The first pressure
Sensor is mounted on solid pump discharge, for detecting the solid pump discharge pressure；Institute's displacement sensors are mounted on described solid
In the master cylinder of body pump, for detecting the piston position of the solid pump；The controller, for reading, showing and storing institute
State the data of first pressure sensor, institute's displacement sensors；Using the outlet pressure data of same time as abscissa, piston
Displacement data establishes the relationship coordinate diagram between outlet pressure and piston displacement as ordinate；It can be convenient according to coordinate diagram
Quickly calculate the real-time solvent efficiency of each pumping circulation of the solid pump.
2. the pressure probe of pressure sensor of the present invention includes pressure sensor piece and mounting base, the pressure
Sensing chip is mounted on the mounting base upper end；The pressure sensor piece with a thickness of the stainless steel plate of 4~6mm by being made；Stainless steel
The pressure sensor piece made of plate, hard, sound construction are not easy to be punctured by hard materials such as iron plates, and stainless steel material
Acid-fast alkali-proof has corrosion resistant performance, suitable for detecting the pressure of hazardous waste material.
Detailed description of the invention
Fig. 1 is the system electrical connection figure of detection solid pump real time volume efficiency of the present invention；
Fig. 2 is pressure sensor structure figure of the present invention；
Relationship coordinate diagram of the Fig. 3 between outlet pressure of the present invention and piston displacement；
In figure: 1- pressure probe, 101- pressure sensor piece, 102- mounting base, 2- package casing, 3- liquid crystal display.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Referring to Fig. 1, Fig. 3, a kind of system detecting solid pump real time volume efficiency comprising first pressure sensor, position
Displacement sensor and controller；Institute's displacement sensors are BALLUFF micropulse linear displacement transducer；The controller is S7-
200 controllers；The first pressure sensor, institute's displacement sensors are connect with the controller；The first pressure passes
Sensor is mounted on solid pump discharge, for detecting the solid pump discharge pressure；Institute's displacement sensors are mounted on the solid
In the master cylinder of pump, for detecting the piston position of the solid pump；The controller, described in reading, showing and store
The data of first pressure sensor, institute's displacement sensors；What be can be convenient calculates the solid pump each pumping circulation
Real-time solvent efficiency；Steps are as follows for calculating:
The first step, the outlet pressure of solid pump described in the first pressure sensor real-time detection, institute's displacement sensors
The piston position of solid pump described in real-time detection, and pass data to the controller；
Second step, the controller reads, stores and show the first pressure sensor, the number of institute's displacement sensors
According to；
Third step, using the outlet pressure data of same time as abscissa, piston displacement data are established as ordinate
Relationship coordinate diagram between outlet pressure and piston displacement；
4th step, coordinate diagram are shown, with the increase of piston displacement, outlet pressure initially enters rapid increase stage, so
Enter plateau afterwards, sets the starting point piston displacement value of outlet pressure rapid increase stage as a, outlet pressure plateau
Starting point piston displacement value is b, and the terminal piston displacement value of outlet pressure plateau is c, then the volumetric efficiency of the solid pump
Are as follows:
Drawing module can also be arranged in the present invention, and the drawing module is connect with the controller, for being pressed according to outlet
Force data and piston displacement data automatically generate the relationship coordinate diagram between outlet pressure and piston displacement；And the present invention is also
Computing module can be increased, the computing module is connect with the drawing module, calculates the solid pump automatically according to coordinate diagram
Volumetric efficiency.
Referring to Fig. 1, Fig. 2, first pressure sensor of the present invention include pressure probe 1, package casing 2, circuit board and
Liquid crystal display 3；The pressure probe is mounted on the package casing upper end, and the liquid crystal display is mounted on outside the encapsulation
Shell lower end, the circuit board are mounted in the package casing；The pressure probe, the liquid crystal display with the circuit
Plate connection；The pressure probe includes pressure sensor piece 101 and mounting base 102, and the pressure sensor piece is mounted on the installation
Seat upper end；The pressure sensor piece with a thickness of the stainless steel plate of 4~6mm by being made；The pressure sensitive made of stainless steel plate
Piece, hard, sound construction are not easy to be punctured by hard materials such as iron plates, and stainless steel material acid-fast alkali-proof, have corrosion resistant
Performance, suitable for detecting the pressure of hazardous waste material.
Referring to fig. 2, circuit board of the present invention is equipped with RS-485 interface；RS-485 interface is set, is convenient for the pressure
Force snesor is based on Modbus industrial Fieldbus protocols in the indoor control equipment of control with setting and connect, and forms novel net
The full distributed control system of network integrated form.
Referring to Fig. 1, Fig. 2, first pressure sensor of the present invention, institute's displacement sensors pass through with the controller
The connection of RS-485 bus；RS-485 bus uses balance transmission and differential received, has the ability for inhibiting common mode interference, in addition total
Line transceiver has high sensitivity, can detect the voltage down to 200mV, therefore transmitting signal can be restored other than km.
Referring to Fig. 1, the invention also includes second pressure sensor, the second pressure sensor and the controller connect
It connects, the second pressure sensor is mounted in the master cylinder of the solid pump, for detecting the master cylinder pressure of the solid pump
Power；The master cylinder pressure of solid pump described in the second pressure sensor real-time detection, and pass data to the controller；
The controller reading, the data for storing and showing the second pressure sensor；And it is examined according to the second pressure sensor
The master cylinder pressure p measured, utilizes formula(wherein: D1For main cylinder diameter, D2It is pumped out for the solid
Mouth diameter, pfMaster cylinder pressure when for master cylinder null), calculate the outlet pressure p of the solid pump1, compare extrapolate it is described
The outlet pressure for the solid pump that the outlet pressure of solid pump and the first pressure sensor detect；Since iron sheet etc. is mixed
Miscellaneous to cause pressure at the solid pump axle center to be unable to measure in hazardous waste material, the present invention is passed using the first pressure
The solid pump discharge side wall position static pressure that sensor detects replaces static pressure at axle center, and is passed by the second pressure
The master cylinder pressure of sensor measurement carries out reckoning comparison, confirms the first pressure sensor detection effect and correcting mode, mentions
High detection accuracy.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of system for detecting solid pump real time volume efficiency, it is characterised in that: including first pressure sensor, displacement sensing
Device and controller；The first pressure sensor, institute's displacement sensors are connect with the controller；
The first pressure sensor is mounted on solid pump discharge, for detecting the solid pump discharge pressure；
Institute's displacement sensors are mounted in the master cylinder of the solid pump, for detecting the piston position of the solid pump；
The controller, for reading, showing and storing the data of the first pressure sensor, institute's displacement sensors.
2. the system of detection solid pump real time volume efficiency according to claim 1, it is characterised in that: the first pressure
Sensor includes pressure probe, package casing, circuit board and liquid crystal display；The pressure probe is mounted on the package casing
Upper end, the liquid crystal display are mounted on the package casing lower end, and the circuit board is mounted in the package casing；It is described
Pressure probe, the liquid crystal display are connect with the circuit board；The pressure probe includes pressure sensor piece and mounting base,
The pressure sensor piece is mounted on the mounting base upper end；The pressure sensor piece is by the stainless steel plate system with a thickness of 4~6mm
At.
3. the system of detection solid pump real time volume efficiency according to claim 2, it is characterised in that: on the circuit board
Equipped with RS-485 interface.
4. the system of detection solid pump real time volume efficiency according to claim 3, it is characterised in that: the first pressure
Sensor, institute's displacement sensors are connect with the controller by RS-485 bus.
5. the system of detection solid pump real time volume efficiency according to claim 4, it is characterised in that: further include the second pressure
Force snesor, the second pressure sensor are connect with the controller, and the second pressure sensor is mounted on the solid
In the master cylinder of pump, for detecting the master cylinder pressure of the solid pump.
6. the system of detection solid pump real time volume efficiency according to claim 5, it is characterised in that: the displacement sensing
Device is BALLUFF micropulse linear displacement transducer.
7. the system of detection solid pump real time volume efficiency according to claim 6, it is characterised in that: the controller is
S7-200 controller.
8. a kind of detection method of the system of detection solid pump real time volume efficiency according to claim 7, feature exist
In:
The first step, the outlet pressure of solid pump described in the first pressure sensor real-time detection, institute's displacement sensors are real-time
The piston position of the solid pump is detected, and passes data to the controller；
Second step, the controller read, store and show the first pressure sensor, the data of institute's displacement sensors；
Third step, using the outlet pressure data of same time as abscissa, piston displacement data establish outlet as ordinate
Relationship coordinate diagram between pressure and piston displacement；
4th step, coordinate diagram are shown, with the increase of piston displacement, outlet pressure initially enters rapid increase stage, then into
Enter plateau, sets the starting point piston displacement value of outlet pressure rapid increase stage as a, the starting point of outlet pressure plateau
Piston displacement value is b, and the terminal piston displacement value of outlet pressure plateau is c, then the volumetric efficiency of the solid pump are as follows:
9. detection method according to claim 8, it is characterised in that: solid described in the second pressure sensor real-time detection
The master cylinder pressure of body pump, and pass data to the controller；The controller reads, stores and shows second pressure
The data of force snesor.
10. detection method according to claim 9, it is characterised in that: detected according to the second pressure sensor
Master cylinder pressure p calculates the outlet pressure p of the solid pump using following equation1,
Wherein: D1For main cylinder diameter, mm；
D2For the solid pump outlet diameter, mm；
pfMaster cylinder pressure when for master cylinder null, KPa；
The outlet pressure p for the solid pump that comparing calculation goes out1The solid pump detected with the first pressure sensor
Outlet pressure judges whether the outlet pressure for the solid pump that the first pressure sensor detects is accurate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539213.XA CN109060389A (en) | 2018-05-30 | 2018-05-30 | A kind of system and detection method detecting solid pump real time volume efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810539213.XA CN109060389A (en) | 2018-05-30 | 2018-05-30 | A kind of system and detection method detecting solid pump real time volume efficiency |
Publications (1)
| Publication Number | Publication Date |
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| CN109060389A true CN109060389A (en) | 2018-12-21 |
Family
ID=64819792
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810539213.XA Pending CN109060389A (en) | 2018-05-30 | 2018-05-30 | A kind of system and detection method detecting solid pump real time volume efficiency |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517216A (en) * | 2020-11-20 | 2021-03-19 | 碎得机械(北京)有限公司 | Hazardous waste pretreatment device and system and oxygen content control and maintenance method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1975165A (en) * | 2006-12-07 | 2007-06-06 | 浙江大学 | Concrete pump displacement measuring method and apparatus thereof |
| CN201637441U (en) * | 2010-04-20 | 2010-11-17 | 杭州电子科技大学 | Flow measurement device of high-pressure coal slurry plunger pump |
| US20140088554A1 (en) * | 2012-09-24 | 2014-03-27 | Po-Ying Li | Drug-delivery pump with intelligent control |
| CN104586368A (en) * | 2015-02-05 | 2015-05-06 | 上海英诺伟医疗器械有限公司 | Cavity pressure monitoring device |
| CN105004451A (en) * | 2015-05-27 | 2015-10-28 | 成都德麦科技有限公司 | Pressure sensor |
| CN105346943A (en) * | 2015-11-20 | 2016-02-24 | 天津碎易得环保工程技术有限公司 | Solid pump |
-
2018
- 2018-05-30 CN CN201810539213.XA patent/CN109060389A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1975165A (en) * | 2006-12-07 | 2007-06-06 | 浙江大学 | Concrete pump displacement measuring method and apparatus thereof |
| CN201637441U (en) * | 2010-04-20 | 2010-11-17 | 杭州电子科技大学 | Flow measurement device of high-pressure coal slurry plunger pump |
| US20140088554A1 (en) * | 2012-09-24 | 2014-03-27 | Po-Ying Li | Drug-delivery pump with intelligent control |
| CN104586368A (en) * | 2015-02-05 | 2015-05-06 | 上海英诺伟医疗器械有限公司 | Cavity pressure monitoring device |
| CN105004451A (en) * | 2015-05-27 | 2015-10-28 | 成都德麦科技有限公司 | Pressure sensor |
| CN105346943A (en) * | 2015-11-20 | 2016-02-24 | 天津碎易得环保工程技术有限公司 | Solid pump |
Non-Patent Citations (1)
| Title |
|---|
| 郭光明等: ""大口径活塞泵吸入容积效率实时测量方法研究"", 《矿山机械》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517216A (en) * | 2020-11-20 | 2021-03-19 | 碎得机械(北京)有限公司 | Hazardous waste pretreatment device and system and oxygen content control and maintenance method thereof |
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Application publication date: 20181221 |
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