CN107091948A - The blockage detector and detection method of electronic infusion pump - Google Patents
The blockage detector and detection method of electronic infusion pump Download PDFInfo
- Publication number
- CN107091948A CN107091948A CN201710512782.0A CN201710512782A CN107091948A CN 107091948 A CN107091948 A CN 107091948A CN 201710512782 A CN201710512782 A CN 201710512782A CN 107091948 A CN107091948 A CN 107091948A
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- CN
- China
- Prior art keywords
- resistance
- infusion pump
- electronic infusion
- ports
- motor
- Prior art date
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2604—Test of external equipment
Abstract
The present invention relates to electronic infusion pump technical field, especially a kind of blockage detector of electronic infusion pump, it includes being used for the discharge circuit for the current signal or voltage signal for detecting motor internal, described discharge circuit is connected with control single chip computer, control single chip computer is used to analyze, judges whether current signal or voltage signal are abnormal, prove that electronic infusion pump is blocked if abnormal.A kind of choke detecting method of electronic infusion pump, by detecting electric current or voltage in motor, and it is also non-blocking running status to be analyzed using single-chip microcomputer, judged that motor is in blocking running status.The blockage detector and detection method of a kind of electronic infusion pump obtained by the present invention, it can determine whether that its woven hose is blocked, levels of precision is high, and reaction is quick, safe and reliable by the real-time monitoring of current signal, voltage signal when its generation is abnormal.
Description
Technical field
The present invention relates to electronic infusion pump technical field, the blockage detector of especially a kind of electronic infusion pump and detection
Method.
Background technology
In the prior art, in the technical field of electronic infusion pump, the safety requirements that it is used is very high.While equipment
The duration is long in use, easily causes woven hose to be oppressed, bend when patient moves, moves position and causes
Transfusion blockage so that electronic infusion pump can not normal infusion, the treatment of influence patient.
The content of the invention
The invention aims to solve above-mentioned technology deficiency and providing one kind accurately can quickly judge that electronics is defeated
Note blockage detector and detection method that whether pump is in the electronic infusion pump for blocking running status.
In order to achieve the above object, the blockage detector of a kind of electronic infusion pump designed by the present invention, it includes using
In the current signal or the discharge circuit of voltage signal of detection motor internal, described discharge circuit is connected with control single chip computer,
Control single chip computer is used to analyze, judges whether current signal or voltage signal are abnormal, prove that electronic infusion pump is blocked if abnormal.
Described discharge circuit is：Motor M1 one end is connected with power vd D, and the other end is connected with triode Q1, and
Motor M1 two ends are parallel with diode D1, and triode Q1 other end port connects the 3 of resistance R5 and operational amplifier respectively
The connection of number port, resistance R5 other end ground connection；Triode Q1 other end port connects resistance R3, resistance R4, resistance respectively
The R3 other end is connected with single-chip microcomputer, resistance R4 other end ground connection；No. 2 ports of operational amplifier are connected with resistance R2, electricity
R1 is hindered, resistance R2 other end ground connection, the resistance R1 other end and operational amplifier No. 1 port, No. 5 ports are connected；Computing
No. 4 ports ground connection of amplifier, No. 8 ports of operational amplifier meet power vd D, No. 6 ports, No. 7 ports of operational amplifier
It is connected with resistance R12, resistance R12 other end connection electric capacity C3, the electric capacity C3 other end is connected to single-chip microcomputer.
Above-mentioned technical proposal, the curtage of motor internal is detected by operational amplifier, by the current signal of motor
Or the real-time conversion process of voltage signal is delivered to single-chip microcomputer into corresponding signal, drawn accordingly by the processing and analysis of single-chip microcomputer
Conclusion, i.e., current motor whether in block running status.Whether being blocked hence for electronic infusion pump, it is quick to carry out
Accurate to judge, it is utilized in electronic infusion pump working condition, the pressure increase after transfusion blockage inside woven hose, so that
Obtain the torsion born in motor rotation process bigger, ultimately cause the electric current of motor internal, voltage and change, the application is real
When detect curtage signal, when it changes, single-chip microcomputer then directly judge woven hose be blocked, or when electric current letter
Number, voltage signal is when changing, single-chip microcomputer, which analyzes the change whether the motor with being temporarily stored in advance in single-chip microcomputer is blocked, to be run
Current signal, the voltage signal of state are similar, and transfusion blockage is judged if similar.Certainly during practice, typically
Using once detecting voltage signal or current signal generation exception, then judge to block, single-chip microcomputer control alarm sends alarm,
Ensure safety.
A kind of choke detecting method of electronic infusion pump, by detecting electric current or voltage in motor, and utilizes monolithic
It is also non-blocking running status that machine, which is analyzed, judges that motor is in blocking running status,.
The blockage detector and detection method of a kind of electronic infusion pump obtained by the present invention, its by current signal,
The real-time monitoring of voltage signal, can determine whether that its woven hose is blocked, levels of precision is high, and reaction is quick, peace when its generation is abnormal
It is complete reliable.
Brief description of the drawings
Fig. 1 is circuit diagram of the invention.
Embodiment
Below by embodiment combination accompanying drawing, the invention will be further described.
Embodiment 1：
As shown in figure 1, a kind of blockage detector of electronic infusion pump of the present embodiment description, it includes being used to detect in motor
The current signal in portion or the discharge circuit of voltage signal, described discharge circuit are connected with control single chip computer, and control single chip computer is used
In analysis, judge whether current signal or voltage signal are abnormal, prove that electronic infusion pump is blocked if abnormal.
Described discharge circuit is：Motor M1 one end is connected with power vd D, and the other end is connected with triode Q1, and
Motor M1 two ends are parallel with diode D1, and triode Q1 other end port connects the 3 of resistance R5 and operational amplifier respectively
The connection of number port, resistance R5 other end ground connection；Triode Q1 other end port connects resistance R3, resistance R4, resistance respectively
The R3 other end is connected with single-chip microcomputer, resistance R4 other end ground connection；No. 2 ports of operational amplifier are connected with resistance R2, electricity
R1 is hindered, resistance R2 other end ground connection, the resistance R1 other end and operational amplifier No. 1 port, No. 5 ports are connected；Computing
No. 4 ports ground connection of amplifier, No. 8 ports of operational amplifier meet power vd D, No. 6 ports, No. 7 ports of operational amplifier
It is connected with resistance R12, resistance R12 other end connection electric capacity C3, the electric capacity C3 other end is connected to single-chip microcomputer.
Embodiment 2：
A kind of choke detecting method of electronic infusion pump of the present embodiment description, by detecting the electric current in motor, and utilizes list
It is also non-blocking running status that piece machine, which is analyzed, judges that motor is in blocking running status,.Specific means is real by discharge circuit
When detection motor in current signal, then analyzed by single-chip microcomputer, if existing abnormal, be judged to blocking at once.
Claims (3)
1. a kind of blockage detector of electronic infusion pump, it is characterized in that：It includes the current signal for being used to detect motor internal
Or the discharge circuit of voltage signal, described discharge circuit is connected with control single chip computer, and control single chip computer is used to analyze, judge electricity
Flow signal or whether voltage signal is abnormal, prove that electronic infusion pump is blocked if abnormal.
2. a kind of blockage detector of electronic infusion pump according to claim 1, it is characterized in that：Described discharge circuit
For：Motor M1 one end is connected with power vd D, and the other end is connected with triode Q1, and is parallel with two poles at motor M1 two ends
Pipe D1, triode Q1 other end port connect No. 3 ports connection of resistance R5 and operational amplifier respectively, and resistance R5's is another
End ground connection；Triode Q1 other end port connects resistance R3, resistance R4 respectively, and the resistance R3 other end is connected with single-chip microcomputer,
Resistance R4 other end ground connection；No. 2 ports of operational amplifier are connected with resistance R2, resistance R1, and the resistance R2 other end is grounded,
The resistance R1 other end and operational amplifier No. 1 port, No. 5 ports are connected；No. 4 ports ground connection of operational amplifier, computing
No. 8 ports of amplifier meet power vd D, and No. 6 ports, No. 7 ports of operational amplifier are connected with resistance R12, resistance R12's
The other end connects electric capacity C3, and the electric capacity C3 other end is connected to single-chip microcomputer.
3. a kind of choke detecting method of electronic infusion pump, it is characterized in that：By detecting electric current or voltage in motor, and profit
It is also non-blocking running status to be analyzed with single-chip microcomputer, judge that motor is in blocking running status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512782.0A CN107091948A (en) | 2017-06-29 | 2017-06-29 | The blockage detector and detection method of electronic infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710512782.0A CN107091948A (en) | 2017-06-29 | 2017-06-29 | The blockage detector and detection method of electronic infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091948A true CN107091948A (en) | 2017-08-25 |
Family
ID=59640921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710512782.0A Pending CN107091948A (en) | 2017-06-29 | 2017-06-29 | The blockage detector and detection method of electronic infusion pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN107091948A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6259587B1 (en) * | 1999-06-17 | 2001-07-10 | Minimed Inc. | Direct current motor safety circuits for fluid delivery systems |
| US20010034502A1 (en) * | 2000-03-29 | 2001-10-25 | Moberg Sheldon B. | Methods, apparatuses, and uses for infusion pump fluid pressure and force detection |
| CN2811952Y (en) * | 2005-06-13 | 2006-08-30 | 夏惠兴 | Online monitoring and protecting device for rotary machinery |
| CN1942210A (en) * | 2004-04-20 | 2007-04-04 | 迪斯特朗尼克许可公司 | Device and method for the detection of an occlusion in infusion pumps |
| CN101286721A (en) * | 2007-11-16 | 2008-10-15 | 西北工业大学 | Driving system of stepping motor with current negative feedback |
| JP2009168169A (en) * | 2008-01-16 | 2009-07-30 | Kurimoto Ltd | Method for filling filler into discarded water pipe |
| CN101776069A (en) * | 2009-12-25 | 2010-07-14 | 上海博创医疗设备有限公司 | Electronic infusion pump and control method thereof |
| CN202533821U (en) * | 2012-05-09 | 2012-11-14 | 东北石油大学 | Water temperature data acquiring and controlling system based on statistical process control (SPC) single chip microcomputer |
| CN203790372U (en) * | 2014-01-29 | 2014-08-27 | 中国人民解放军第二军医大学 | Infusion blocking pressure detection alarm device |
| CN204636250U (en) * | 2015-03-23 | 2015-09-16 | 佛山市顺德区美的洗涤电器制造有限公司 | A kind of dish-washing machine and draining pump operating condition checkout gear thereof |
| CN105521532A (en) * | 2016-01-26 | 2016-04-27 | 北京英诺达医疗科技有限公司 | Blockage detection device and method of injection pump |
| CN206818785U (en) * | 2017-06-29 | 2017-12-29 | 桐乡昊屹电子有限公司 | The blockage detector of electronic infusion pump |
-
2017
- 2017-06-29 CN CN201710512782.0A patent/CN107091948A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6259587B1 (en) * | 1999-06-17 | 2001-07-10 | Minimed Inc. | Direct current motor safety circuits for fluid delivery systems |
| US20010034502A1 (en) * | 2000-03-29 | 2001-10-25 | Moberg Sheldon B. | Methods, apparatuses, and uses for infusion pump fluid pressure and force detection |
| CN1942210A (en) * | 2004-04-20 | 2007-04-04 | 迪斯特朗尼克许可公司 | Device and method for the detection of an occlusion in infusion pumps |
| CN2811952Y (en) * | 2005-06-13 | 2006-08-30 | 夏惠兴 | Online monitoring and protecting device for rotary machinery |
| CN101286721A (en) * | 2007-11-16 | 2008-10-15 | 西北工业大学 | Driving system of stepping motor with current negative feedback |
| JP2009168169A (en) * | 2008-01-16 | 2009-07-30 | Kurimoto Ltd | Method for filling filler into discarded water pipe |
| CN101776069A (en) * | 2009-12-25 | 2010-07-14 | 上海博创医疗设备有限公司 | Electronic infusion pump and control method thereof |
| CN202533821U (en) * | 2012-05-09 | 2012-11-14 | 东北石油大学 | Water temperature data acquiring and controlling system based on statistical process control (SPC) single chip microcomputer |
| CN203790372U (en) * | 2014-01-29 | 2014-08-27 | 中国人民解放军第二军医大学 | Infusion blocking pressure detection alarm device |
| CN204636250U (en) * | 2015-03-23 | 2015-09-16 | 佛山市顺德区美的洗涤电器制造有限公司 | A kind of dish-washing machine and draining pump operating condition checkout gear thereof |
| CN105521532A (en) * | 2016-01-26 | 2016-04-27 | 北京英诺达医疗科技有限公司 | Blockage detection device and method of injection pump |
| CN206818785U (en) * | 2017-06-29 | 2017-12-29 | 桐乡昊屹电子有限公司 | The blockage detector of electronic infusion pump |
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