CN2714064Y

CN2714064Y - Drip monitor

Info

Publication number: CN2714064Y
Application number: CN 200420063997
Authority: CN
Inventors: 果莉; 刘凤权; 李莉; 李晓辉; 郑爽; 唐慧莲
Original assignee: 果莉
Priority date: 2004-12-16
Filing date: 2004-12-16
Publication date: 2005-08-03
Anticipated expiration: 2014-12-16

Abstract

The utility model discloses a drip monitor for monitoring drip medicinal liquid and drip speed. The output ends of a liquid level transducer 1 and a dripping transducer 2 are respectively connected at two input ends of an SCM 3; the output end of the SCM 3 is connected with the input end of an alarm circuit 4, the bidirectional ports of the SCM 3 are connected with the bidirectional ports of a keyboard and a display circuit 5, and the dripping speed can be adjusted through raising or decreasing the drip bottle. When using, 2 inducts the droplet dropping of a dripping bucket 11 and transfers the inducted signals to the SCM 3 for counting, consequently the dropping speed of the liquid is displayed in 5. When the liquid level position of the drip bottle 9 is lower than the position arranged by 1, 1 emits signals to 3, and 3 emits signals to make 4 alarm. The device can emit alarm signal to prompt the nurse to extract the needle in time when the medicinal liquid is rapidly finished dropping. Adopting the infrared detection technology and the microcomputer technology can realize the automatic detection and adjustment of the drip speed, and monitor the leftover of the medicinal liquid. The device has simple structure and reliable working.

Description

The drop monitor controller

Technical field:

This utility model relates to a kind of device that utilizes microcomputer monitored some drop bottle herb liquid and tracer liquid dropping speed.

Background technology:

Infusion is hospital's medical procedure commonly used.The subject matter that infusion ran into had two kinds in the past: the one, adjust transfusion speed, and generally may think good more, in fact quite different more slowly, drop is crossed when slow, can be long because of transfusion time, influence the performance of drug action and patient's rest; Therefore selecting suitable transfusion speed is the needs of treatment, but existing speed adjustment mode often needs could adjust for a long time suitably.The 2nd, monitor the medicinal liquid in the bottle, medicinal liquid drips off must in time change dressings or pull out syringe needle, and these follow-up works are at present all finished by nurse or patient oneself, not only involve people's energy but also may bring unnecessary trouble because of careless omission.

The utility model content:

The purpose of this utility model provides a kind of liquid dropping monitor controller, it has overcome the drawback of being come residue medicinal liquid in the drop bottle of monitoring point by the people, when the medicinal liquid in the drop bottle drips off soon, can in time send alarm signal, the prompting nurse pulls out syringe needle, can also regulate dropping speed automatically.Its technical scheme is: the drop monitor controller, it comprises liquid level sensor 1, dropping liquid pick off 2, single-chip microcomputer 3, warning circuit 4, keyboard and display circuit 5, the outfan of liquid level sensor 1 and dropping liquid pick off 2 is connected on two inputs of single-chip microcomputer 3, first outfan of single-chip microcomputer 3 connects the input of warning circuit 4, the bidirectional port of single-chip microcomputer 3 connects the bidirectional port of keyboard and display circuit 5, it also comprises is just changeing drive circuit 16, reversing drive circuit 15, motor 7, pulley 12, point drop bottle 9, dropping funnel 11, drop support 10, tube for transfusion 17, kinking ribbon 14 and rope 13, the input that is just changeing drive circuit 16 and reversing drive circuit 15 is connected on second outfan and the 3rd outfan of single-chip microcomputer 3, the outfan that is just changeing drive circuit 16 and reversing drive circuit 15 is connected to the rotating that makes motor 7 accept single-chip microcomputer 3 on two inputs of motor 7 and controls, kinking ribbon 14 is fixed on rotation coaxial with it on the motor shaft of motor 7, one end of rope 13 is entangled on the kinking ribbon 14, the other end of rope 13 is fixed on the upper top of a drop bottle 9 after walking around pulley 12, liquid level sensor 1 is arranged on the place, side of the lower end of a drop bottle 9, dropping liquid pick off 2 is arranged on the place, side of dropping funnel 11, dropping funnel 11 is communicated with on the bottom of a drop bottle 9 by tube for transfusion 17, and pulley 12 is fixed on the upper end of drop support 10.During this utility model work, drop drippage number in the dropping liquid pick off 2 induction dropping funnels 11 and a signal of sensing are sent in the single-chip microcomputer 3 to be counted, thereby in keyboard and display circuit 5, demonstrate the speed of dripping of liquid, after the liquid level position in the drop bottle 9 is lower than the set position of liquid level sensor 1, liquid level sensor 1 just sends signal and gives single-chip microcomputer 3, and single-chip microcomputer 3 sends signal reports to the police warning circuit 4.When this device drips off soon when medicinal liquid, can in time send alarm signal, the prompting nurse pulls out syringe needle.Adopt infrared detection technology and microcomputer technology, can realize that dropping speed detects automatically and regulates, and monitors the residue of medicinal liquid.This apparatus structure is simple, reliable operation, has bigger promotional value.

Description of drawings:

Fig. 1 is the structural representation of this utility model embodiment one and the electrical block diagram of embodiment two, figure two is syndeton sketch maps of motor 7 in the embodiment two, pulley 12, some drop bottle 9, dropping funnel 11, drop support 10, tube for transfusion 17, kinking ribbon 14 and rope 13, and Fig. 3 is the structural representation of embodiment three.

The specific embodiment:

The specific embodiment one: specify present embodiment below in conjunction with Fig. 1.Present embodiment is made up of liquid level sensor 1, dropping liquid pick off 2, single-chip microcomputer 3, warning circuit 4, keyboard and display circuit 5, the outfan of liquid level sensor 1 and dropping liquid pick off 2 is connected on two inputs of single-chip microcomputer 3, first outfan of single-chip microcomputer 3 connects the input of warning circuit 4, and the bidirectional port of single-chip microcomputer 3 connects the bidirectional port of keyboard and display circuit 5.

The specific embodiment two: specify present embodiment below in conjunction with Fig. 1 and Fig. 2.The difference of present embodiment and embodiment one is: it also comprises is just changeing drive circuit 16, reversing drive circuit 15, motor 7, pulley 12, point drop bottle 9, dropping funnel 11, drop support 10, tube for transfusion 17, kinking ribbon 14 and rope 13, the input that is just changeing drive circuit 16 and reversing drive circuit 15 is connected on second outfan and the 3rd outfan of single-chip microcomputer 3, the outfan that is just changeing drive circuit 16 and reversing drive circuit 15 is connected to the rotating that makes motor 7 accept single-chip microcomputer 3 on two inputs of motor 7 and controls, kinking ribbon 14 is fixed on rotation coaxial with it on the motor shaft of motor 7, one end of rope 13 is entangled on the kinking ribbon 14, the other end of rope 13 is fixed on the upper top of a drop bottle 9 after walking around pulley 12, liquid level sensor 1 is arranged on the place, side of the lower end of a drop bottle 9, dropping liquid pick off 2 is arranged on the place, side of dropping funnel 11, dropping funnel 11 is communicated with on the bottom of a drop bottle 9 by tube for transfusion 17, and pulley 12 is fixed on the upper end of drop support 10.Because being provided with just changes drive circuit 16, reversing drive circuit 15 and motor 7, if the speed of transfusion is just just changeing motor 7 by single-chip microcomputer faster than the speed of setting in the single-chip microcomputer 3, setting point drop bottle 9 reduces transfusion speed.Otherwise with regard on carry a drop bottle 9 and improve dropping speeds.Because can set transfusion speed in single-chip microcomputer 7, so transfusion speed can be adjusted very accurately, all adjustment work are all finished automatically by this device, reduce the artificial trouble of adjusting.This composition that installs other is identical with embodiment one with annexation.

The specific embodiment three: specify present embodiment below in conjunction with Fig. 3.The difference of present embodiment and embodiment one is: liquid level sensor 1 is by divergence type photoelectric interrupter 1-1, three resistance (R1, R3, R4), slide rheostat R2, integrated operational amplifier U3A, NAND gate circuit U4A, reverser U5A, capacitor C 1 and capacitor C 2 are formed, the foot 1 of divergence type photoelectric interrupter 1-1 meets power supply+VCC, foot 2 ground connection of divergence type photoelectric interrupter 1-1, the foot 3 of divergence type photoelectric interrupter 1-1 connects an end of resistance R 1, the other end of resistance R 1 connects an end of resistance R 3 and the in-phase input end of integrated operational amplifier U3A, the reverse input end of integrated operational amplifier U3A connects the slider of slide rheostat R2, one of slide rheostat R2 fixing termination power+VA, another stiff end ground connection of slide rheostat R2, the outfan of integrated operational amplifier U3A connects the other end of resistance R 3, two inputs of one end of capacitor C 1 and NAND gate circuit U4A, the other end ground connection of capacitor C 1, the outfan of NAND gate circuit U4A connects the input of reverser U5A, the outfan of reverser U5A connects an end of resistance R 4 and an end of capacitor C 2, another termination power+VA of resistance R 4, the other end ground connection of capacitor C 2.The model of divergence type photoelectric interrupter 1-1 is SG-215, the model of integrated operational amplifier U3A is LM339, the model of NAND gate circuit U4A is 4011, the model of reverser U5A is 40106, after divergence type photoelectric interrupter 1-1 collects liquid level signal, be added in the in-phase input end of the integrated operational amplifier U3A of device as a comparison in foot 3 output signals, integrated operational amplifier output high level is exported high level signal behind NAND gate circuit and reverser.So be provided with, the signal stabilization of output is reliable.Dropping liquid pick off 2 is by photoelectric sensor 2-1, three resistance (R5, R6, R8), slide rheostat R7, integrated operational amplifier U3B, reverser U5B, capacitor C 3 and capacitor C 4 are formed, the foot 1 of photoelectric sensor 2-1 meets power supply+VCC, foot 2 ground connection of photoelectric sensor 2-1, the foot 3 of photoelectric sensor 2-1 connects an end of resistance R 5, the other end of resistance R 5 connects an end of resistance R 6 and the in-phase input end of integrated operational amplifier U3B, the reverse input end of integrated operational amplifier U3B connects the slider of slide rheostat R7, fixing termination power+the VA of slide rheostat R7, another stiff end ground connection of slide rheostat R7, the outfan of integrated operational amplifier U3B connects the other end of resistance R 6, one end of capacitor C 3 and the input of reverser U5B, the other end ground connection of capacitor C 3, the outfan of reverser U5B connects an end of resistance R 8 and an end of capacitor C 4, another termination power+VA of resistance R 8, the other end ground connection of capacitor C 4.The model of photoelectric sensor 2-1 is E3X-NA11, the model of integrated operational amplifier U3B is LM339, the model of reverser U5B is 40106, after photoelectric sensor 2-1 collects the signal that drop dripped, be added in the in-phase input end of the integrated operational amplifier U3B of device as a comparison in foot 3 output signals, integrated operational amplifier output high level output low level signal behind reverser.Single-chip microcomputer 3 is made up of reset circuit 3-1, chip U11, crystal oscillator Y1, capacitor C 22 and capacitor C 23, reset circuit 3-1 is made up of reset chip U8 and resistance R 9, foot 1, foot 2, foot 5 and the foot 6 of chip U8 of resetting is connected foot 2, foot 1, foot 4 and the foot 3 of chip U11 respectively, the foot 3 of chip U8 of resetting connects an end of power supply+VCC and resistance R 9, foot 4 ground connection of chip U8 reset, the reset other end of foot 7 connecting resistance R9 of chip U8 and the foot 9 of chip U11, the foot 8 of the chip U8 that resets meets power supply+VCC; The model of chip U8 of resetting is X5045, and the model of chip U11 is AT89C52.The foot 5 of chip U11, foot 6, foot 7 and foot 12 connect foot 5, foot 4, foot 3 and the foot 2 of keyboard and display circuit 5 respectively.The foot 13 of chip U11 connects the outfan of the reverser U5A of liquid level sensor 1, the foot 14 of chip U11 connects the outfan of the reverser U5B of dropping liquid pick off 2, the foot 31 of chip U11 meets power supply+VCC, the foot 19 of chip U11 connects the end of crystal oscillator Y1 and an end of capacitor C 22, the other end of capacitor C 22 connects an end and the ground connection of capacitor C 23, the other end of another termination crystal oscillator Y1 of capacitor C 23 and the foot 18 of chip U11, the input of foot 21 circuit 4 taking alarm of chip U11, the foot 34 of chip U11 connects the input of reversing drive circuit 15, and the foot 35 of chip U11 connects the input that just changes drive circuit 16.Warning circuit 4 is made up of resistance R 11, R20, audion Q1 and speaker A1, one end of resistance R 11 connects an end of resistance R 20 and the foot 21 of chip U11, another termination power+VCC of resistance R 11 and the colelctor electrode of audion Q1, the base stage of another termination audion Q1 of resistance R 20, the emitter stage of audion Q1 connects the terminals of speaker A1, another terminals ground connection of speaker A1.

Claims

1, the drop monitor controller, it comprises liquid level sensor (1), dropping liquid pick off (2), single-chip microcomputer (3), warning circuit (4), keyboard and display circuit (5), the outfan of liquid level sensor (1) and dropping liquid pick off (2) is connected on two inputs of single-chip microcomputer (3), first outfan of single-chip microcomputer (3) connects the input of warning circuit (4), the bidirectional port of single-chip microcomputer (3) connects the bidirectional port of keyboard and display circuit (5), it is characterized in that it also comprises is just changeing drive circuit (16), reversing drive circuit (15), motor (7), pulley (12), point drop bottle (9), dropping funnel (11), drop support (10), tube for transfusion (17), kinking ribbon (14) and rope (13), the input that is just changeing drive circuit (16) and reversing drive circuit (15) is connected on second outfan and the 3rd outfan of single-chip microcomputer (3), the outfan that is just changeing drive circuit (16) and reversing drive circuit (15) is connected on two inputs of motor (7), kinking ribbon (14) is fixed on rotation coaxial with it on the motor shaft of motor (7), one end of rope (13) is entangled on the kinking ribbon (14), the other end of rope (13) is fixed on the upper top of a drop bottle (9) after walking around pulley (12), liquid level sensor (1) is arranged on the place, side of the lower end of a drop bottle (9), dropping liquid pick off (2) is arranged on the place, side of dropping funnel (11), dropping funnel (11) is communicated with on the bottom of a drop bottle (9) by tube for transfusion (17), and pulley (12) is fixed on the upper end of drop support (10).

2, drop monitor controller according to claim 1, it is characterized in that liquid level sensor (1) is by divergence type photoelectric interrupter (1-1), three resistance (R1, R3, R4), slide rheostat (R2), integrated operational amplifier (U3A), NAND gate circuit (U4A), reverser (U5A), electric capacity (C1) and electric capacity (C2) are formed, the foot 1 of divergence type photoelectric interrupter (1-1) connect power supply (+VCC), foot 2 ground connection of divergence type photoelectric interrupter (1-1), the foot 3 of divergence type photoelectric interrupter (1-1) connects an end of resistance (R1), the other end of resistance (R1) connects an end of resistance (R3) and the in-phase input end of integrated operational amplifier (U3A), the reverse input end of integrated operational amplifier (U3A) connects the slider of slide rheostat (R2), one of slide rheostat (R2) fixedly termination power (+VA), another stiff end ground connection of slide rheostat (R2), the outfan of integrated operational amplifier (U3A) connects the other end of resistance (R3), two inputs of one end of electric capacity (C1) and NAND gate circuit (U4A), the other end ground connection of electric capacity (C1), the outfan of NAND gate circuit (U4A) connects the input of reverser (U5A), the outfan of reverser (U5A) connects an end of resistance (R4) and an end of electric capacity (C2), another termination power of resistance (R4) (+VA), the other end ground connection of electric capacity (C2); Dropping liquid pick off (2) is by photoelectric sensor (2-1), three resistance (R5, R6, R8), slide rheostat (R7), integrated operational amplifier (U3B), reverser (U5B), electric capacity (C3) and electric capacity (C4) are formed, the foot 1 of photoelectric sensor (2-1) connect power supply (+VCC), foot 2 ground connection of photoelectric sensor (2-1), the foot 3 of photoelectric sensor (2-1) connects an end of resistance (R5), the other end of resistance (R5) connects an end of resistance (R6) and the in-phase input end of integrated operational amplifier (U3B), the reverse input end of integrated operational amplifier (U3B) connects the slider of slide rheostat (R7), one of slide rheostat (R7) fixedly termination power (+VA), another stiff end ground connection of slide rheostat (R7), the outfan of integrated operational amplifier (U3B) connects the other end of resistance (R6), the input of one end of electric capacity (C3) and reverser (U5B), the other end ground connection of electric capacity (C3), the outfan of reverser (U5B) connects an end of resistance (R8) and an end of electric capacity (C4), another termination power of resistance (R8) (+VA), the other end ground connection of electric capacity (C4); Single-chip microcomputer (3) is by reset circuit (3-1), chip (U11), crystal oscillator (Y1), electric capacity (C22) and electric capacity (C23) are formed, reset circuit (3-1) is made up of chip that resets (U8) and resistance (R9), the foot 1 of chip (U8) resets, foot 2, foot 5 and foot 6 are connected the foot 2 of chip (U11) respectively, foot 1, foot 4 and foot 3, the foot 3 of chip (U8) of resetting connect power supply (+VCC) and an end of resistance (R9), foot 4 ground connection of chip (U8) reset, the reset other end of foot 7 connecting resistances (R9) of chip (U8) and the foot 9 of chip (U11), the foot 8 of the chip that resets (U8) connect power supply (+VCC); The foot 5 of chip (U11), foot 6, foot 7 and foot 12 connect foot 5, foot 4, foot 3 and the foot 2 of keyboard and display circuit (5) respectively; The foot 13 of chip (U11) connects the outfan of the reverser (U5A) of liquid level sensor (1), the foot 14 of chip (U11) connects the outfan of the reverser (U5B) of dropping liquid pick off (2), the foot 31 of chip (U11) connect power supply (+VCC), the foot 19 of chip (U11) connects an end of crystal oscillator (Y1) and an end of electric capacity (C22), the other end of electric capacity (C22) connects an end and the ground connection of electric capacity (C23), the other end of another termination crystal oscillator (Y1) of electric capacity (C23) and the foot 18 of chip (U11), the input of foot 21 circuit taking alarm (4) of chip (U11), the foot 34 of chip (U11) connects the input of reversing drive circuit (15), and the foot 35 of chip (U11) connects the input that just changes drive circuit (16); Warning circuit (4) is made up of resistance (R11), resistance (R20), audion (Q1) and speaker (A1), one end of resistance (R11) connects an end and the chip (foot 21 of U110 of resistance (R20), another termination power of resistance (R11) (+VCC) and the colelctor electrode of audion (Q1), the base stage of another termination audion (Q1) of resistance (R20), the emitter stage of audion (Q1) connects terminals of speaker (A1), another terminals ground connection of speaker (A1).