CN105068570A - Medical enema machine capable of automatically adjusting pressure - Google Patents
Medical enema machine capable of automatically adjusting pressure Download PDFInfo
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- CN105068570A CN105068570A CN201510468977.0A CN201510468977A CN105068570A CN 105068570 A CN105068570 A CN 105068570A CN 201510468977 A CN201510468977 A CN 201510468977A CN 105068570 A CN105068570 A CN 105068570A
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- air pump
- pressure
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- power supply
- chip microcomputer
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Abstract
The invention provides a medical enema machine capable of automatically adjusting the pressure, which comprises a power supply circuit and a speed regulating air pump, wherein the power supply circuit is provided with a first power supply output end and a second power supply output end, the speed regulation air pump is connected with the second power supply output end, the first power supply output end and the second power supply output end are connected through a photoelectric coupler, and a pressure regulating circuit is connected between the second power supply output end and the speed regulating air pump. The medical enema machine is characterized by further comprising a singlechip microcomputer and a pressure sensor which are electrically connected, wherein the output end of the pressure sensor is connected with a pressure signal acquisition pin of the singlechip microcomputer, and an output duty ratio pin of the singlechip microcomputer is connected with the pressure regulating circuit. According to the invention, the speed regulating air pump is electrified and operates so as to improve the pump-in or pump-out pressure, the pressure sensor acquires pressure in the anal canal in real time, the acquired pressure is processed by the singlechip microcomputer, and the operating state of the pressure regulating circuit is controlled according to a processing result, so that an average voltage value loaded on a speed regulating air pump brushless motor is regulated so as to regulate the average rotating speed of the brushless motor, and thus the flow of the speed regulating air pump is regulated, thereby achieving the purposes of automatic detection and automatic pressure regulation.
Description
Technical field
The invention belongs to medicine equipment automatic control technology field, be specifically related to a kind of Medical sausage meat extruder of automatic Regulation.
Background technology
Sausage filler enema inserts colon perfusion liquid with anal tube from anus per rectum, to reach the methods for the treatment of of defaecation exhaust, enterocinesia can be stimulated, softening, removing ight soil, and the effect having cooling, hasten parturition, dilute poisonous substance in intestines, reduce absorption, in addition, also can reach for therapeutic purposes such as drug, nutrition, moisture.Can by anal tube to injection of medicine in colon, nutrition, the liquid of moisture etc., and inflate in colon, also by anal tube, intracolic refuse can be discharged simultaneously, material is injected by anal tube or discharges colon is realized by the pressure reduction at anal tube two ends, when ambient pressure is large, by in liquid or gas press-in colon, when pressure in human body is large, intracolic refuse is discharged, in order to reduce the sense of discomfort of patient, or material is injected smoothly or discharges, sausage filler needs to adjust anal tube and connects extraneous force value of holding when being used for different object, existing Medical sausage meat extruder does not have the function of automatic Regulation, can not the work of control pump accurately, too high, too low force value all can allow patient produce strong sense of discomfort, even jeopardize safety, simultaneously, the sense of discomfort that the patient of all ages and classes and different sign enters in body to material or the trickle speed difference that excretes produces is inconsistent, owing to not possessing automatic Regulation function, existing sausage filler is hindered developing in different patient demand.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of Medical sausage meat extruder of automatic Regulation, taking into full account comfort and the therapeutic action of patient, the working pressure automatically in adjustment anal tube.
For achieving the above object, technical scheme of the present invention is as follows: a kind of Medical sausage meat extruder of automatic Regulation, comprise and there is the first power output end VCC1, the power circuit of second source output terminal VCC2, and the air pump to be connected with second source output terminal VCC2, it is characterized in that: described air pump is the speed governing air pump M with brushless electric machine, connected by photoelectrical coupler U3 between described first power output end VCC1 and second source output terminal VCC2, regulating circuit is connected with between described second source output terminal VCC2 and speed governing air pump M, its single-chip microcomputer U1 also comprising electrical connection and the pressure transducer U2 stretched in described sausage filler, the output terminal of described pressure transducer U2 connects the pressure signal collection pin IN of single-chip microcomputer U1, the output duty cycle pin PWM of single-chip microcomputer U1 connects described regulating circuit.
In a preferred embodiment of the present invention, comprise described regulating circuit further and comprise triode Q1 and metal-oxide-semiconductor Q2, the base stage of described triode Q1 connects the output duty cycle pin PWM of single-chip microcomputer U1 by base resistance Rb, its grounded emitter, its collector connects the input end of photoelectrical coupler U3 by the first pull-up resistor R1, the grid of described metal-oxide-semiconductor Q2 connects the output terminal of photoelectrical coupler U3 by a divider resistance R3, its drain electrode connects described speed governing air pump, its source ground.
In a preferred embodiment of the present invention, the collector comprising described triode Q1 further also by one being connected in series the second pull-up resistor R2, light emitting diode VD1 is connected to the first power output end VCC1.
In a preferred embodiment of the present invention, comprise further be connected in parallel with described speed governing air pump be also provided with a reverse protection diode VD2.
In a preferred embodiment of the present invention, the model comprising described pressure transducer U2 is further MP3V5050.
In a preferred embodiment of the present invention, the I/0 comprising described single-chip microcomputer U1 further changes output pin and is also electrically connected with a touch-screen display.
In a preferred embodiment of the present invention, the I/O comprising described single-chip microcomputer U1 further changes input pin and is also electrically connected with a keyboard.
The invention has the beneficial effects as follows: the Medical sausage meat extruder of a kind of automatic Regulation of the present invention, speed governing air pump obtains electric work to improve the pressure pumping into or pump, pressure in the collection anal tube that pressure transducer is real-time, through single-chip microcomputer process after collection, the duty of regulating circuit is controlled according to result, reach to regulate and be carried in average voltage level on speed governing air pump brushless electric machine to adjust the mean speed of brushless electric machine, and then the flow that adjustment speed governing air pump pumps into or pumps, reach the object of automatic detection, automatic Regulation.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of the preferred embodiment of the present invention.
Wherein: 10-power circuit, 20-regulating circuit, 30-keyboard, 40-touch-screen display.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
As shown in Figure 1, a kind of Medical sausage meat extruder of automatic Regulation is disclosed in the present embodiment, comprise the power circuit 10 be electrically connected successively, regulating circuit 20, and air pump, and the single-chip microcomputer U1 of electrical connection and pressure transducer U2, the preferred air pump of the present invention is the speed governing air pump M with brushless electric machine, wherein power circuit 10 has the first power output end VCC1, second source output terminal VCC2, can be stablized respectively by the first power output end VCC1 and second source output terminal VCC2 and export 5V, the direct supply of 12V, connected by photoelectrical coupler U3 between first power output end VCC1 and second source output terminal VCC2, be connected by regulating circuit 20 between second source output terminal VCC2 with speed governing air pump M, the output terminal of described pressure transducer U2 connects the pressure signal collection pin IN of single-chip microcomputer U1, the output duty cycle pin PWM of single-chip microcomputer U1 connects described regulating circuit 20, the I/0 of described single-chip microcomputer U1 changes output pin and is also electrically connected with a touch-screen display 40, the I/O of described single-chip microcomputer U1 changes input pin and is also electrically connected with a keyboard 30, wherein, the model of the preferred pressure transducer U2 of the present invention is MP3V5050.Concrete: the preferred regulating circuit 20 of the present invention comprises triode Q1 and metal-oxide-semiconductor Q2, the base stage of described triode Q1 connects the output duty cycle pin PWM of single-chip microcomputer U1 by base resistance Rb, its grounded emitter, its collector connects the input end of photoelectrical coupler U3 by the first pull-up resistor R1, the grid of described metal-oxide-semiconductor Q2 connects the output terminal of photoelectrical coupler U3 by a divider resistance R3, its drain electrode connects described speed governing air pump M, its source ground.
Based on the structure of above-mentioned regulating circuit 20, its course of work is as follows: when the PWM pin of single-chip microcomputer U1 exports high level, triode Q1 conducting, after triode Q1 conducting, this Continuity signal is coupled to metal-oxide-semiconductor Q2 and holds by photoelectrical coupler U3, metal-oxide-semiconductor Q2 conducting, second source output terminal VCC2, speed governing air pump M and metal-oxide-semiconductor Q2 form loop, the 12V direct supply that second source output terminal VCC2 exports is powered to the brushless electric machine total head of speed governing air pump M, speed governing air pump M obtains electric work, improves the force value pumping into or pump; During the PWM pin output low level of single-chip microcomputer U1, triode Q1, metal-oxide-semiconductor Q2 end, and speed governing air pump M stops operating.Single-chip microcomputer U1 regulates the conducting state of triode Q1 and metal-oxide-semiconductor Q2 and ON time to carry out regulation output to the average voltage level on speed governing air pump M brushless electric machine by the size of regulation output dutycycle, the dutycycle that single-chip microcomputer U1 exports is larger, the average voltage level outputted on speed governing air pump M brushless electric machine is larger, the rotating speed of brushless electric machine is larger, the flow that speed governing air pump M pumps into or pumps is larger, and force value is larger; Otherwise the dutycycle that single-chip microcomputer U1 exports is less, and the average voltage level outputted on speed governing air pump M brushless electric machine is less, and the rotating speed of brushless electric machine is less, and the flow that speed governing air pump M pumps into or pumps is less, and force value is less, reaches the object of automatic Regulation.Separately, the control signal of control end is isolated by photoelectrical coupler U3, avoids producing interference to the work of speed governing air pump M.
As a further improvement on the present invention, the collector of described triode Q1 also by one being connected in series the second pull-up resistor R2, light emitting diode VD1 is connected to the first power output end VCC1.When speed governing air pump M obtains electric work, light emitting diode VD1 is bright, can from the external world by all means see whether system starts work.
In order to the control system preventing speed governing air pump M polarity from assembling inverse time impact failure front end, what of the present invention and described speed governing air pump was connected in parallel is also provided with a reverse protection diode VD2.
Based on the said structure of sausage filler, sausage filler of the present invention can realize automatic detected pressures, the course of work of automatic Regulation is as follows: medical worker is according to the user demand of different patient, by keyboard 30, or the target pressure value of speed governing air pump M is set in advance by the touch-screen of touch-screen display 40, target pressure value is stored in the storer of single-chip microcomputer U1, speed governing air pump M obtains the force value that electric rear lifting pumps into or pumps, this force value of collection that pressure transducer U2 is real-time also feeds back to single-chip microcomputer U1, this real-time pressure value of single-chip microcomputer U1 control output shows on touch-screen display 40 on the one hand, the force value that single-chip microcomputer U1 is more real-time on the other hand and target pressure value, adjust by adjustment output duty cycle size the average voltage level be carried on speed governing air pump M brushless electric machine according to comparative result, the rotating speed of adjustment brushless electric machine, the flow that final adjustment speed governing air pump M pumps into or pumps, reach the object of adjustment pressure.Concrete: when real-time pressure value is less than target pressure value, single-chip microcomputer U1 controls to increase output duty cycle, increase brushless electric machine average voltage level, improve the mean speed of brushless electric machine, increase the flow that speed governing air pump M pumps into or pumps, to improve force value; Otherwise, when real-time pressure value is greater than target pressure value, single-chip microcomputer U1 controls to reduce output duty cycle, reduce the average voltage level of brushless electric machine, reduce the average red brill Soviet Union of brushless electric machine, reduce the flow that speed governing air pump M pumps into or pumps, to reduce force value, until real-time pressure value is identical with target pressure value, realize the function of automatic detection of the present invention, automatic Regulation.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. the Medical sausage meat extruder of an automatic Regulation, comprise and there is the first power output end (VCC1), the power circuit of second source output terminal (VCC2), and the air pump to be connected with second source output terminal (VCC2), it is characterized in that: described air pump is the speed governing air pump (M) of band brushless electric machine, connected by photoelectrical coupler (U3) between described first power output end (VCC1) and second source output terminal (VCC2), regulating circuit is connected with between described second source output terminal (VCC2) and speed governing air pump air pump (M), its single-chip microcomputer (U1) also comprising electrical connection and the pressure transducer (U2) stretched in described sausage filler, the output terminal of described pressure transducer (U2) connects pressure signal collection pin (IN) of single-chip microcomputer (U1), the output duty cycle pin (PWM) of single-chip microcomputer (U1) connects described regulating circuit.
2. the Medical sausage meat extruder of a kind of automatic Regulation according to claim 1, it is characterized in that: described regulating circuit comprises triode (Q1), with metal-oxide-semiconductor (Q2), the base stage of described triode (Q1) connects the output duty cycle pin (PWM) of single-chip microcomputer (U1) by base resistance (Rb), its grounded emitter, its collector connects the input end of photoelectrical coupler (U3) by the first pull-up resistor (R1), the grid of described metal-oxide-semiconductor (Q2) connects the output terminal of photoelectrical coupler (U3) by a divider resistance (R3), its drain electrode connects described speed governing air pump, its source ground.
3. the Medical sausage meat extruder of a kind of automatic Regulation according to claim 2, is characterized in that: the collector of described triode (Q1) also by one being connected in series the second pull-up resistor (R2), light emitting diode (VD1) is connected to the first power output end (VCC1).
4. the Medical sausage meat extruder of a kind of automatic Regulation according to claim 2, is characterized in that: what be connected in parallel with described speed governing air pump is also provided with a reverse protection diode (VD2).
5. the Medical sausage meat extruder of a kind of automatic Regulation according to claim 1, is characterized in that: the model of described pressure transducer (U2) is MP3V5050.
6. the Medical sausage meat extruder of a kind of automatic Regulation according to claim 1, is characterized in that: the I/0 of described single-chip microcomputer (U1) changes output pin and is also electrically connected with a touch-screen display.
7. the Medical sausage meat extruder of a kind of automatic Regulation according to claim 1, is characterized in that: the I/O of described single-chip microcomputer (U1) changes input pin and is also electrically connected with a keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468977.0A CN105068570A (en) | 2015-08-04 | 2015-08-04 | Medical enema machine capable of automatically adjusting pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468977.0A CN105068570A (en) | 2015-08-04 | 2015-08-04 | Medical enema machine capable of automatically adjusting pressure |
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| Publication Number | Publication Date |
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| CN105068570A true CN105068570A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510468977.0A Pending CN105068570A (en) | 2015-08-04 | 2015-08-04 | Medical enema machine capable of automatically adjusting pressure |
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| CN (1) | CN105068570A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875470A (en) * | 2017-11-02 | 2018-04-06 | 鄂尔多斯市中心医院（内蒙古自治区超声影像研究所） | A kind of constant pressure frequency conversion speed regulating control instrument |
| CN112015112A (en) * | 2019-05-31 | 2020-12-01 | 天津大学青岛海洋技术研究院 | Single chip microcomputer system for controlling underground pipe network micro-fluidic chip |
| CN112755302A (en) * | 2021-01-26 | 2021-05-07 | 洛阳市中心医院（郑州大学附属洛阳中心医院） | A enema auxiliary device for nursing of intestines and stomach are made a mouthful |
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| US5586973A (en) * | 1991-04-22 | 1996-12-24 | C & D Biomedical S.A. | Method and device for controlled irrigation and suctioning of a liquid clarificant during endoscopic surgery |
| US6024720A (en) * | 1995-07-18 | 2000-02-15 | Aquarius Medical Corporation | Fluid management system for arthroscopic surgery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875470A (en) * | 2017-11-02 | 2018-04-06 | 鄂尔多斯市中心医院（内蒙古自治区超声影像研究所） | A kind of constant pressure frequency conversion speed regulating control instrument |
| CN112015112A (en) * | 2019-05-31 | 2020-12-01 | 天津大学青岛海洋技术研究院 | Single chip microcomputer system for controlling underground pipe network micro-fluidic chip |
| CN112755302A (en) * | 2021-01-26 | 2021-05-07 | 洛阳市中心医院（郑州大学附属洛阳中心医院） | A enema auxiliary device for nursing of intestines and stomach are made a mouthful |
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Application publication date: 20151118 |