CN205215839U - Medical bit alarm system - Google Patents

Abstract

The utility model discloses a medical bit alarm system. Fig. 1 is the utility model discloses a structure block diagram. Through infrared correlation sensor (1) measuring warning liquid level variation, make it to trigger external interrupt for singlechip (2) signal transfer after confirming external signal, the alarming function that the buzzing was reported to the police, LED glimmers is carried out respectively by buzzer siren (3) and charactron (4) to reentrant break in service subprogram to can pass through button (5) to medical personnel's affirmation button function realizes in the break in service subprogram. The utility model has the advantages of the accuracy, in time, easily control.

Description

Medical transfusion warning system

Technical field

This utility model relates to a kind of alarm, the autoalarm mainly in Medical transfusion process.

Background technology

A difficult problem long-standing problem is had patient and medical personnel at hospital transfusion, in the process of patient infusion, often because body is weak, stupor, fall asleep or medical personnel busy etc. just elsewhere and cannot notice, work as infusion-completed, if process not in time, the blood of patient will blow back in Transfusion needle pipe because of blank pipe, the time slightly length can make acupuncture treatment place serious swelling.Not only if process too early, medicinal liquid is also incomplete defeatedly just plucks bottle to the greatest extent but also can the waste causing medicinal liquid etc.Therefore usually cause the discontented of patient so that complain, even causing doctor-patient dispute, doctor-patient relationship is discord more.

Therefore, intelligentized infusion alarm can overcome the fatigue in manually nursing and carelessness effectively, alleviates the working strength of medical care and entourage, reduces the burden of patient and medical personnel.For improving medical service quality, establish image of hospitals, the regulation and standardization, the modernization that realize clinical nursing activity provide technical guarantee.

Summary of the invention

The technical problem that this utility model solves is that the liquid level realizing Medical transfusion realizes auto-alarm function when dropping to the liquid level of regulation.The outfan of infrared sensor is connected with the input of single-chip microcomputer, light-emitting diode display input is connected with single-chip microcomputer outfan, the outfan of button is connected with the input of Single Chip Microcomputer (SCM) system, the input of buzzer is connected with the outfan of Single Chip Microcomputer (SCM) system, the external interrupt that first low level signal produced by sensing module triggers single-chip microcomputer makes single-chip microcomputer produce response, single-chip microcomputer starts scans I/O mouth, produce buzzing after determining concrete port to report to the police and LED warning, medical personnel acknowledge receipt of the button of alarm signal.The utility model has the advantage of and the manual monitoring infusion device generally used at present realized automatically controlling, the process-time allowing medical personnel's monitor patients have an intravenous drip is fully used.

Accompanying drawing explanation

Fig. 1 is system architecture diagram.

Fig. 2 is overall system schematic diagram.Primarily of reset circuit of SCM, infrared emission sensing circuit, key control circuit, buzzer alarm circuit and digital pipe display circuit composition.

Being labeled as in accompanying drawing: 1-infrared emission sensor, 2-single-chip microcomputer, 3-buzzer siren, 4-charactron, 5-button.

Detailed description of the invention

The alarm signal sensor1 that liquid level sensor exports and sensor2 is by 74HCT02 logic sum gate, be input to the external interrupt 0 pin P3.2 of single-chip microcomputer, be connected to common I/O mouth P1.0 and P1.1 of single-chip microcomputer simultaneously, which signal triggering the interrupt system of single-chip microcomputer regardless of, signal appears in two other interfaces simultaneously.After receiving interrupt signal, scans I/O mouth, time delay 1s, then detect the interface just now occurring alarm signal, if alarm signal also exists, then can define alarm signal and produce, need medical personnel to handle it; If detect interface after time delay to no longer include alarm signal, can determine that this signal is interfering signal, continue after getting rid of to wait for report to the police and interrupt.Have no progeny in triggering and start to judge specifically which signal triggers interruption at P0 mouth place, obtain concrete triggering signal, also just determine the alarm signal specifically which sick bed sends, single-chip microcomputer provides a high level by P2.2 mouth, and buzzer is sounded the alarm.Select signal to U2 by the P0 mouth section of sending, assuming that first make first LED bright, represent a bed, then close section and select signal latch, open position and select signal latch U3, then send position to select signal to U3 by P0 mouth, time delay 10 milliseconds, then open U2, send second sick bed number " 2 " to U2, close U2, open U3 gating second LED, close U3, time delay 10 milliseconds, circulation like this is gone down, and just defines Dynamic Announce display effect.Be confirmation button one end ground connection that medical personnel design, the P3.3 pin of one end access single-chip microcomputer, as long as press confirmation button medical personnel, therefore namely alert program can stop, and waits for the triggering of again reporting to the police herein.

Claims (1)

1. Medical transfusion warning system, its primary structure comprises infrared two-way emission type sensor, 51 single-chip microcomputers, buzzing alarm module, LED display module, key-press module, it is characterized in that: the outfan of infrared sensor is connected with the input of single-chip microcomputer, light-emitting diode display input is connected with single-chip microcomputer outfan, the outfan of button is connected with the input of Single Chip Microcomputer (SCM) system, the input of buzzer is connected with the outfan of Single Chip Microcomputer (SCM) system, the external interrupt that first low level signal produced by sensing module triggers single-chip microcomputer makes single-chip microcomputer produce response, single-chip microcomputer starts scans I/O mouth, produce buzzing after determining concrete port to report to the police and LED warning, medical personnel acknowledge receipt of the button of alarm signal.