CN203802890U - Control system for medical infusion alarm - Google Patents
Control system for medical infusion alarm Download PDFInfo
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- CN203802890U CN203802890U CN201420084525.3U CN201420084525U CN203802890U CN 203802890 U CN203802890 U CN 203802890U CN 201420084525 U CN201420084525 U CN 201420084525U CN 203802890 U CN203802890 U CN 203802890U
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- detection circuit
- module
- liquid level
- alarm
- control system
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Abstract
The utility model relates to a control system for a medical infusion alarm. The control system for the medical infusion alarm comprises a control module, a liquid drop detection circuit, a liquid level detection circuit, an infusion locking module and an audible-visual alarm module, wherein a liquid drop infrared emitting diode and a liquid drop infrared receiving diode are connected to the liquid drop detection circuit; a liquid level infrared emitting diode and a liquid level infrared receiving diode are connected to the liquid level detection circuit; a buzzer and a light-emitting diode are arranged in the audible-visual alarm module; an electromagnetic valve is arranged in the infusion locking module; the liquid drop detection circuit and the liquid level detection circuit are used for feeding detection signals to the control module, and the control module is used for sending a control signal to the infusion locking module and the audible-visual alarm module. The control system for the medical infusion alarm disclosed by the utility model is simple and easy to operate, accurate in alarm control, capable of alleviating the anxious mood of waiting for the end of infusion, of a patient to a great extent, beneficial to the rehabilitation of the patient, and capable of reducing the working intensity of nursing personnel.
Description
Technical field
This utility model relates to a kind of monitoring, alarming control system, specifically a kind of control system of medical infusion alarm.
Background technology
When existing alarm of transfusion system passes through transfusion device normal infusion, when the external pressure ratio of cavity has liquid, large this feature, does not arrange suitable staring torque and does thresholding, when the pressure of cavity reduces, start warning circuit, send a kind of monitoring system of alarm signal; But this system relies on the detection principle of chamber pressure, need to utilize comparatively exquisite complicated structure, simultaneously, be subject to temperature impact, the flexibility of medical Transfusion device material can change, and brings difficulty to the setting of alarm threshold pressure, if it is improper to arrange, will there is false alarm and even not report to the police; Again such as another kind of alarm is the liquid weight sniffer consisting of mechanical type EM induction system, when in infusion bottle, liquid reduces to the weight of setting (as 50 milliliters), weight induction device is connected, alarm control circuit is connected, alarm sends caution sound, makes patient and attending family know that bottle interior liquid is about to be totally lost; But this dependence is weighed and is judged the system whether transfusion soon finishes, mainly that the transfusion bottle design of larger quality is housed for vial, for the medicine of plastic bag, low dose of medicine particularly, can report to the police in advance, even because drug weight is less than design weight, not report to the police.
Utility model content
This utility model object is the control system that a kind of medical infusion alarm is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of control system of medical infusion alarm, comprises control module, drop detection circuit, liquid level detection circuit, transfusion locking module and acousto-optic alarm module; In described control module, be connected with reset circuit; On described drop detection circuit, be connected with drop infrared-emitting diode and drop infrared receiving diode; On described liquid level detection circuit, be connected with liquid level infrared-emitting diode and liquid level infrared receiving diode; In described sound and light alarm module, be provided with buzzer and light emitting diode; In described transfusion locking module, be provided with electromagnetic valve; Described drop detection circuit and liquid level detection circuit feed back to control module by detection signal, and control module is sent control signal to transfusion locking module and acousto-optic alarm module.
Preferably, in described drop detection circuit, on drop infrared-emitting diode, be in series with drop detection regulating resistance.
Preferably, in described liquid level detection circuit, on liquid level infrared-emitting diode, be in series with level detection regulating resistance.
Preferably, between described sound and light alarm module and control module, be connected with amplification audion.
Due to the utilization of technique scheme, this utility model compared with prior art has following advantages:
The control system of the medical infusion alarm of this utility model scheme, by drop detection circuit and liquid level detection circuit, can realize accurate warning, by transfusion, locking module, can when transfusion closes to an end, to control electromagnetic valve lock tight, and stopping infusion, avoids air to enter or blood back; Total system is simple to operation, and controlling alarm is accurate, has alleviated to a great extent patient and has waited for the anxious mood that transfusion finishes, and is beneficial to Rehabilitation, and has reduced nursing staff's working strength.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
The system block diagram of the control system that accompanying drawing 1 is medical infusion alarm described in the utility model;
The circuit diagram of the control module of the control system that accompanying drawing 2 is medical infusion alarm described in the utility model;
The circuit diagram of the control module reset circuit of the control system that accompanying drawing 3 is medical infusion alarm described in the utility model;
The drop detection circuit of the control system that accompanying drawing 4 is medical infusion alarm described in the utility model and the circuit diagram of liquid level detection circuit;
The circuit diagram of the sound and light alarm module of the control system that accompanying drawing 5 is medical infusion alarm described in the utility model;
The circuit diagram of the transfusion locking module of the control system that accompanying drawing 6 is medical infusion alarm described in the utility model;
The workflow diagram of the control system that accompanying drawing 7 is medical infusion alarm described in the utility model.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the control system of a kind of medical infusion alarm described in the utility model, comprises control module, drop detection circuit, liquid level detection circuit, transfusion locking module and acousto-optic alarm module; Described drop detection circuit and liquid level detection circuit feed back to control module by detection signal, and control module is sent control signal to transfusion locking module and acousto-optic alarm module.
As shown in Fig. 2-6, described control module adopts the single-chip microcomputer that the model of low-power consumption is MSP430F1101, on the RST pin of single-chip microcomputer, is connected with reset circuit; On described drop detection circuit, be connected with drop infrared-emitting diode D3 and drop infrared receiving diode D2; On described drop infrared-emitting diode D3, be in series with drop detection regulating resistance R1, drop infrared-emitting diode D3 regulates emissive porwer by drop detection regulating resistance R1; Described drop infrared receiving diode D2 delivers to drop detection signal the comparator port of single-chip microcomputer by CA0, conducting when drop infrared receiving diode D2 receives infrared signal, and now CA0 end is low level, otherwise is high level; On described liquid level detection circuit, be connected with liquid level infrared-emitting diode D5 and liquid level infrared receiving diode D4; On described liquid level infrared-emitting diode D5, be in series with level detection regulating resistance R4, liquid level infrared-emitting diode D5 regulates emissive porwer by level detection regulating resistance R4; Described liquid level infrared receiving diode D4 delivers to drop detection signal the comparator port of single-chip microcomputer by CA1, conducting when liquid level infrared receiving diode D4 receives infrared signal, and now CA1 end is low level, otherwise is high level; In described sound and light alarm module, be provided with buzzer and light emitting diode D1, the PWM pin of buzzer and light emitting diode D1 series connection access single-chip microcomputer; Between described sound and light alarm module and single-chip microcomputer, be connected with amplification audion Q1, amplification audion Q1 is connected to the TR pin of single-chip microcomputer, and amplification audion Q1 can strengthen the driving force of single-chip microcomputer to sound and light alarm module; Described transfusion locking module is connected to the OUT pin of single-chip microcomputer, in transfusion locking module, is provided with electromagnetic valve K1.
As shown in Figure 7, after system powers on, initialize input/output end port, configure the internal resources such as system clock, comparator and interruption; When drop detection electric circuit inspection tube for transfusion dripless is passed through, the dormancy of control module control system, when having drop to pass through, drop detection circuit drips speed to drop to be measured, the square-wave signal obtaining according to single-chip microcomputer comparator C A0 is judged the speed of dripping of drop, one section of grade of time delay is dripped after fast stablizing, by dripping the minimum period that speed is set as this transfusion now, as a foundation of dripping fast judgement; When a prompt drop is zero, liquid level detection circuit starts to detect to the liquid level of drip chamber, and information exchange is crossed to CA1 feed back to control module, when liquid level is reduced to down in limited time, Single-chip Controlling buzzer and light emitting diode D1 report to the police, and the electromagnetic valve K1 that controls transfusion locking module clamps tube for transfusion, stopping infusion, except sound and light alarm module, system other parts enter resting state.
Due to the utilization of technique scheme, this utility model compared with prior art has following advantages:
The control system of the medical infusion alarm of this utility model scheme, by drop detection circuit and liquid level detection circuit, can realize accurate warning, by transfusion, locking module, can when transfusion closes to an end, to control electromagnetic valve lock tight, and stopping infusion, avoids air to enter or blood back; Total system is simple to operation, and controlling alarm is accurate, has alleviated to a great extent patient and has waited for the anxious mood that transfusion finishes, and is beneficial to Rehabilitation, and has reduced nursing staff's working strength.
Below be only concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on this utility model rights protection scope.
Claims (4)
1. a control system for medical infusion alarm, is characterized in that: comprise control module, drop detection circuit, liquid level detection circuit, transfusion locking module and acousto-optic alarm module; In described control module, be connected with reset circuit; On described drop detection circuit, be connected with drop infrared-emitting diode and drop infrared receiving diode; On described liquid level detection circuit, be connected with liquid level infrared-emitting diode and liquid level infrared receiving diode; In described sound and light alarm module, be provided with buzzer and light emitting diode; In described transfusion locking module, be provided with electromagnetic valve; Described drop detection circuit and liquid level detection circuit feed back to control module by detection signal, and control module is sent control signal to transfusion locking module and acousto-optic alarm module.
2. the control system of medical infusion alarm according to claim 1, is characterized in that: in described drop detection circuit, be in series with drop detection regulating resistance on drop infrared-emitting diode.
3. the control system of medical infusion alarm according to claim 1, is characterized in that: in described liquid level detection circuit, be in series with level detection regulating resistance on liquid level infrared-emitting diode.
4. the control system of medical infusion alarm according to claim 1, is characterized in that: between described sound and light alarm module and control module, be connected with amplification audion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084525.3U CN203802890U (en) | 2014-02-27 | 2014-02-27 | Control system for medical infusion alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084525.3U CN203802890U (en) | 2014-02-27 | 2014-02-27 | Control system for medical infusion alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203802890U true CN203802890U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084525.3U Expired - Fee Related CN203802890U (en) | 2014-02-27 | 2014-02-27 | Control system for medical infusion alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203802890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174096A (en) * | 2014-09-11 | 2014-12-03 | 刘都 | Flow cut-off system and liquid level alarm system for medical infusion bottle |
| CN104174094A (en) * | 2014-08-14 | 2014-12-03 | 苏州市职业大学 | Control system for medical transfusion alarm |
| CN112717238A (en) * | 2021-01-22 | 2021-04-30 | 龙岩学院 | Infusion detection control instrument |
-
2014
- 2014-02-27 CN CN201420084525.3U patent/CN203802890U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174094A (en) * | 2014-08-14 | 2014-12-03 | 苏州市职业大学 | Control system for medical transfusion alarm |
| CN104174096A (en) * | 2014-09-11 | 2014-12-03 | 刘都 | Flow cut-off system and liquid level alarm system for medical infusion bottle |
| CN112717238A (en) * | 2021-01-22 | 2021-04-30 | 龙岩学院 | Infusion detection control instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150227 |
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| EXPY | Termination of patent right or utility model |