CN212699936U

CN212699936U - Low-power-consumption infusion monitoring circuit

Info

Publication number: CN212699936U
Application number: CN202020443494.1U
Authority: CN
Inventors: 陈芬; 李爱爱
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2021-03-16
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to a medical treatment field especially relates to a low-power consumption infusion monitoring circuit. The utility model provides a low-power infusion monitoring circuit which can remind medical staff that the liquid medicine is used up and needs to be supplemented in time. The technical implementation scheme of the utility model is: a low-power consumption infusion monitoring circuit comprises a lithium battery, an infrared pair tube, a dropping speed detection circuit and the like; the infrared pair transistors and the dripping speed detection circuit are connected with the lithium battery. The utility model can detect the liquid medicine through the infrared pair tube, when the infrared pair tube can not detect the liquid medicine, the buzzer sounds to remind the medical personnel that the liquid medicine is used up and needs to be supplemented in time; the lithium battery is charged through the charger circuit, so that the lithium battery does not need to be frequently replaced, and the use is convenient.

Description

Low-power-consumption infusion monitoring circuit

Technical Field

The utility model relates to a medical treatment field especially relates to a low-power consumption infusion monitoring circuit.

Background

The infusion is large-dose injection which is infused into a human body by intravenous drip, the dosage is more than one hundred milliliters at a time, the dripping speed is adjusted by an infusion apparatus, the liquid medicine is continuously and stably infused into the human body, the infusion is a common treatment mode, the infusion time is generally long, a patient can not always pay attention to the liquid medicine, medical staff has other things to do, the patient can be forgotten to be infused, the medical staff cannot know after the liquid medicine is used up, the treatment time is prolonged, and therefore, a low-power-consumption infusion monitoring circuit which can remind the medical staff that the liquid medicine is used up and needs to be supplemented in time is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that medical staff still have other things to do and possibly forget that the patient is infusing, so the medical staff is not aware of after the liquid medicine is used up, the technical problem of the utility model is that: the low-power-consumption infusion monitoring circuit can remind medical staff that liquid medicine is used up and needs to be supplemented in time.

The technical implementation scheme of the utility model is: the utility model provides a low-power consumption infusion monitoring circuit, is including lithium cell, infrared geminate transistor, the fast detection circuitry that drips, monostable trigger circuit, triode drive circuit and bee calling organ, infrared geminate transistor and the fast detection circuitry that drips all are connected with the lithium cell, monostable trigger circuit and triode drive circuit all with drip fast detection circuitry and be connected, triode drive circuit is connected with bee calling organ, the lithium cell is infrared geminate transistor, drips fast detection circuitry, the power supply of monostable trigger circuit.

In addition, it is particularly preferable that the lithium battery further comprises a USB interface circuit, a charger circuit and an indicator light, wherein the USB interface circuit is connected with the charger circuit, and the lithium battery and the indicator light are both connected with the charger circuit.

In addition, it is particularly preferable that the charger circuit includes HM5054A, resistors R1-R3, light emitting diodes VD1, BT1, capacitors C1-C1 and CON 1, wherein 2 pins of the HM5054 1 are grounded, 1 pin of the HM5054 1 is connected in series with the resistor R1 and the light emitting diode VD1, an anode of the light emitting diode VD1 is connected to 2 pins of the CON 1, 3 pins of the HM5054 1 are connected to BAT, 3 pins of the HM5054 1 are respectively connected in series with the capacitors C1 and the capacitor VD1, the other ends of the capacitors C1 and BT1 are grounded, the 4 pin of the HM5054 1 is connected to 2 pins of the CON 1, the 5 pin of the HM5054 1 is connected in series with the resistor R1, the 1 pin of the CON 1 is grounded, the resistor R1 is connected in series with the capacitor C1, the other end of the capacitor C1 is grounded, and the other end of the resistor V1 + V1 is connected between the pin of the HM 50572 and the resistor R1.

In addition, it is particularly preferable that the drop speed detection circuit includes an LM358, a photocoupler, resistors R4-R6, and a potentiometer VR1, wherein a 4 pin of the LM358 is grounded, an 8 pin of the LM358 is connected to BAT, a 2 pin of the LM358 is connected in series to the potentiometer VR1 and an emitter of the photocoupler, an input end of the potentiometer VR1 is connected to a resistor R6, the other end of the resistor R6 is grounded, a 3 pin of the LM358 is connected to a collector of the photocoupler, a 3 pin of the LM358 is connected in series to a resistor R5, the other end of the resistor R5 is connected to BAT, a cathode of the photocoupler is grounded, an anode of the photocoupler is connected in series to a resistor R4, and the other end of the resistor R4 is connected to BAT.

In addition, it is especially preferable that the monostable flip-flop circuit comprises NE555, capacitors C3-C4 and a potentiometer VR2, wherein

pins

4 and 8 of the NE555 are connected with BAT, pin 1 of the NE555 is grounded, pin 5 of the NE555 is connected with capacitor C3 in series, capacitor C4 is connected with potentiometer VR2 in series, the other end of capacitor C4 is grounded, the other end and the input end of the potentiometer VR2 are connected with BAT, and pin 2 of the NE555 is connected with pin 1 of LM 358.

In addition, it is particularly preferable that the triode drive circuit includes a triode Q1, resistors R7-R10, light emitting diodes VD2 and BZ1, a 1 pin of the LM358 is connected in series with a resistor R7 and a resistor R8, the other end of the resistor R8 is connected with BAT, a collector of the triode Q1 is connected with BAT, a base of the triode Q1 is connected with a node between the resistor R7 and the resistor R8, an emitter of the triode Q1 is connected in series with a resistor R9 and the light emitting diode VD2, a cathode of the light emitting diode VD2 is grounded, an emitter of the triode Q1 is connected in series with resistors R10 and BZ1, and the other end of the BZ1 is grounded.

The utility model has the advantages that: the utility model can detect the liquid medicine through the infrared pair tube, when the infrared pair tube can not detect the liquid medicine, the buzzer sounds to remind the medical personnel that the liquid medicine is used up and needs to be supplemented in time; the lithium battery is charged through the charger circuit, so that the lithium battery does not need to be frequently replaced, and the use is convenient.

Drawings

Fig. 1 is a circuit block diagram of the present invention.

Fig. 2 is a schematic circuit diagram of the present invention.

In the reference symbols: 1 … USB interface circuit, 2 … charger circuit, 3 … lithium cell, 4 … infrared geminate transistors, 5 … dropping speed detection circuit, 6 … monostable trigger circuit, 7 … triode drive circuit, 8 … buzzer, 9 … pilot lamp.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

The utility model provides a low-power consumption infusion monitoring circuit, as shown in figure 1, including lithium cell 3, infrared geminate transistor 4, the fast detection circuitry 5 of dripping, monostable trigger circuit 6, triode drive circuit 7 and bee calling organ 8, infrared geminate transistor 4 and the fast detection circuitry 5 of dripping all are connected with lithium cell 3, monostable trigger circuit 6 and triode drive circuit 7 all are connected with the fast detection circuitry 5 of dripping, triode drive circuit 7 is connected with bee calling organ 8, lithium cell 3 is the power supply of infrared geminate transistor 4, the fast detection circuitry 5 of dripping, monostable trigger circuit 6.

Medical personnel connect monolithic microcomputer with monostable trigger circuit 6, the speed detection circuitry 5 that drips can detect infusion speed, infusion speed shows on monolithic microcomputer, make things convenient for medical personnel to calculate the time that the liquid medicine used up, infrared geminate transistor 4 can detect the liquid medicine, when infrared to pipe 4 detects the liquid medicine not, explain the liquid medicine has been used up, triode drive circuit 7 control bee calling organ 8 sounds, remind medical personnel's liquid medicine to have used up, need in time mend, when infrared geminate transistor 4 detects the liquid medicine once more, bee calling organ 8 does not sound.

Example 2

A low-power-consumption infusion monitoring circuit is shown in figure 1 and further comprises a USB interface circuit 1, a charger circuit 2 and an indicator lamp 9, wherein the USB interface circuit 1 is connected with the charger circuit 2, and a lithium battery 3 and the indicator lamp 9 are both connected with the charger circuit 2.

Medical personnel charges lithium cell 3 with 1 external power supply of USB interface circuit through charger circuit 2, makes lithium cell 3 can keep sufficient electric quantity, and pilot lamp 9 lights, just so need not often change lithium cell 3, and convenient to use charges after accomplishing, and medical personnel cuts off the power, and pilot lamp 9 extinguishes.

Example 3

A low-power-consumption infusion monitoring circuit is shown in FIG. 2, the charger circuit 2 comprises an HM5054A, resistors R1-R3, a light emitting diode VD1, a BT1, capacitors C1-C1 and a CON 1, a pin 2 of the HM5054 1 is grounded, a pin 1 of the HM5054 1 is connected with a series resistor R1 and the light emitting diode VD1 in series, an anode of the light emitting diode VD1 is connected with a pin 2 of the CON 1, a pin 3 of the HM5054 1 is connected with BAT, a pin 3 of the HM5054 1 is connected with the capacitors C1 and BT1 in series respectively, the other ends of the capacitors C1 and BT1 are grounded, a pin 4 of the HM 1 is connected with the pin 2 of the CON 1, a pin 5 of the HM5054 1 is connected with the ground, a pin 1 of the CON 1 is grounded, the resistor R1 is connected with the series capacitor C1, the other end of the capacitor C1 is grounded, and another end of the resistor V1, and the node V1 of the CON 1.

The drop speed detection circuit 5 comprises an LM358, a photoelectric coupler, resistors R4-R6 and a potentiometer VR1, wherein 4 pins of the LM358 are grounded, 8 pins of the LM358 are connected with BAT, 2 pins of the LM358 are connected with the potentiometer VR1 and an emitter of the photoelectric coupler in series, an input end of the potentiometer VR1 is connected with a resistor R6, the other end of the resistor R6 is grounded BAT, 3 pins of the LM358 are connected with a collector of the photoelectric coupler, 3 pins of the LM358 are connected with a resistor R5 in series, the other end of the resistor R5 is connected with BAT, a cathode of the photoelectric coupler is grounded, an anode of the photoelectric coupler is connected with a resistor R4 in series, and the other end of the resistor R4 is connected with BAT.

The monostable trigger circuit 6 comprises NE555, capacitors C3-C4 and a potentiometer VR2, wherein

pins

4 and 8 of the NE555 are connected with BAT, pin 1 of the NE555 is grounded, pin 5 of the NE555 is connected with capacitor C3 in series and grounded, capacitor C4 is connected with potentiometer VR2 in series, the other end of capacitor C4 is grounded, the other end and the input end of the potentiometer VR2 are connected with BAT, and pin 2 of the NE555 is connected with pin 1 of LM 358.

The triode drive circuit 7 comprises a triode Q1, resistors R7-R10, light emitting diodes VD2 and BZ1, a pin 1 of the LM358 is connected with a resistor R7 and a resistor R8 in series, the other end of the resistor R8 is connected with BAT, a collector of the triode Q1 is connected with BAT, a base of the triode Q1 is connected with a node between the resistor R7 and the resistor R8, an emitter series resistor R9 and the light emitting diode VD2 of the triode Q1, a cathode of the light emitting diode VD2 is grounded, an emitter series resistor R10 and a BZ1 of the triode Q1 are connected with ground, and the other end of the BZ1 is grounded.

Medical personnel connect the single chip microcomputer with NE 555's 3 feet, infusion speed shows on the single chip microcomputer, make things convenient for medical personnel to calculate the time that the liquid medicine used up, infrared geminate transistors 4 can detect the liquid medicine, when infrared geminate transistors 4 can not detect the liquid medicine, LM 358's 1 foot output low level, triode Q1 switches on, BZ1 sounds, remind medical personnel that the liquid medicine has used up, need in time mend, when infrared geminate transistors 4 detect the liquid medicine again, LM 358's 1 foot output high level, triode Q1 ends, BZ1 does not sound, medical personnel can be with USB interface circuit 1 external power supply, charge BT1, emitting diode VD1 lights, after the completion of charging, medical personnel cut off the power, emitting diode VD1 extinguishes.

The above-described embodiments are provided to enable persons skilled in the art to make or use the invention, and many modifications and variations may be made to the above-described embodiments by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of the invention is not limited by the above-described embodiments, but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims

1. The utility model provides a low-power consumption infusion monitoring circuit, its characterized in that, including lithium cell (3), infrared geminate transistor (4), the fast detection circuitry of dripping (5), monostable trigger circuit (6), triode drive circuit (7) and bee calling organ (8), infrared geminate transistor (4) and the fast detection circuitry of dripping (5) all are connected with lithium cell (3), monostable trigger circuit (6) and triode drive circuit (7) all are connected with the fast detection circuitry of dripping (5), triode drive circuit (7) are connected with bee calling organ (8), lithium cell (3) are infrared geminate transistor (4), the fast detection circuitry of dripping (5), monostable trigger circuit (6) power supply.

2. The low-power-consumption infusion monitoring circuit according to claim 1, further comprising a USB interface circuit (1), a charger circuit (2) and an indicator light (9), wherein the USB interface circuit (1) is connected to the charger circuit (2), and the lithium battery (3) and the indicator light (9) are both connected to the charger circuit (2).

3. The infusion monitoring circuit with low power consumption according to claim 2, wherein the charger circuit (2) comprises an HM5054A, resistors R1-R3, light emitting diodes VD1, BT1, capacitors C1-C1 and a CON 1, a 2-pin of the HM5054 1 is grounded, a 1-pin series resistor R1 and the light emitting diode VD1 of the HM5054 1 are connected with a 2-pin of the CON 1, a 3-pin of the HM5054 1 is connected with BAT, a 3-pin of the HM5054 1 is respectively connected with the capacitors C1 and BT1 in series, the other ends of the capacitors C1 and BT1 are grounded, a 4-pin of the HM5054 1 is connected with a 2-pin of the CON 1, a 5-pin series resistor R1 of the HM5054 1 is grounded, a 1-pin of the CON 1 is grounded, the resistor R1 is connected with a C1 in series, the other end of the capacitor C50572 is connected with a ground, and a node V + 1 of the capacitor C1 and the other end of the capacitor C1 is connected with a node V + V1.

4. The infusion monitoring circuit with low power consumption as claimed in claim 3, wherein the drop speed detection circuit (5) comprises an LM358, a photoelectric coupler, resistors R4-R6 and a potentiometer VR1, wherein 4 pins of the LM358 are grounded, 8 pins of the LM358 are connected with BAT, 2 pins of the LM358 are connected with the potentiometer VR1 and an emitter of the photoelectric coupler in series, an input end of the potentiometer VR1 is connected with a resistor R6, the other end of the resistor R6 is connected with BAT, 3 pins of the LM358 are connected with a collector of the photoelectric coupler, 3 pins of the LM358 are connected with a resistor R5 in series, the other end of the resistor R5 is connected with BAT, a cathode of the photoelectric coupler is grounded, an anode of the photoelectric coupler is connected with a resistor R4 in series, and the other end of the resistor R4 is connected with BAT.

5. The infusion monitoring circuit with low power consumption as claimed in claim 4, wherein the monostable trigger circuit (6) comprises NE555, capacitors C3-C4 and a potentiometer VR2, wherein pins 4 and 8 of the NE555 are connected with BAT, pin 1 of the NE555 is grounded, pin 5 of the NE555 is connected with capacitor C3 in series, capacitor C4 is connected with potentiometer VR2 in series, the other end of the capacitor C4 is grounded, the other end of the potentiometer VR2 and the input end of the potentiometer are connected with BAT, and pin 2 of the NE555 is connected with pin 1 of LM 358.

6. The infusion monitoring circuit with low power consumption as claimed in claim 5, wherein the triode drive circuit (7) comprises a triode Q1, resistors R7-R10, light emitting diodes VD2 and BZ1, a 1-pin series resistor R7 and a resistor R8 of the LM358, the other end of the resistor R8 is connected with BAT, the collector of the triode Q1 is connected with BAT, the base of the triode Q1 is connected with a node between the resistor R7 and the resistor R8, the emitter series resistor R9 and the light emitting diode VD2 of the triode Q1, the cathode of the light emitting diode VD2 is grounded, the emitter series resistor R10 and the BZ1 of the triode Q1, and the other end of the BZ1 is grounded.