CN208405552U - Capacitor, digital coding modulation circuit and the device of microcomputer monitoring transfusion measuring and reporting - Google Patents

Abstract

The utility model relates to the capacitor of microcomputer monitoring transfusion measuring and reporting, digital coding modulation circuit and devices comprising the first liquid level metal sensing chip and the second liquid level metal sensing chip positioned at infusion tube two sides；First liquid level metal sensing chip and the second liquid level metal sensing chip are formed for incuding the capacitor C8 that amount of liquid changes in this section of infusion tube；First liquid level metal sensing chip is two parallel sheet metal structures with the second liquid level metal sensing chip and is symmetrically located in this section of infusion tube two sides.Wherein, the first liquid level metal sensing chip and the second liquid level metal sensing chip are stuck in or are clipped in or be sticked on infusion tube.It is the utility model is designed reasonably, compact-sized and easy to use.

Description

Capacitor, digital coding modulation circuit and the device of microcomputer monitoring transfusion measuring and reporting

Technical field

The utility model relates to the capacitor of microcomputer monitoring transfusion measuring and reporting, digital coding modulation circuit and devices.

Background technique

Venous transfusion is commonly called as having an intravenous drip, and since transfusion time is long, the time that infusion bottle herb liquid is finished often is difficult to slap It holds.For this purpose, utility model people is with " a kind of infusion monitoring reporter ", China Patent No. CN95117884.9 and " intelligence Infusion detector and alarm ", China Patent No. ZL99126291.3 disclose binomial utility model, this binomial infusion detector and alarm by It is arranged in ward and places infusion bottle and emit the electronic infusion device of high-frequency signal and the reception of medical staff office is set With computer monitoring report instrument two parts composition of processing high-frequency signal, the electronic section of electronic infusion device is by level sensing circuit (liquid level Detection), launch time adjustment circuit (anti-jamming circuit), digital coding modulation circuit (communication time adjusting circuit), height take place frequently Transmit-receive radio road (the preferential interlock circuit of communication channel), supply voltage monitoring circuit (lesion hospital bed digital coding and modulation) and radio frequency Circuit and regulated power supply composition；Computer monitoring report instrument is by high-frequency reception amplification and rectification circuit, decoding circuit, microsystem and voice Reporting circuit, hospital bed indicator light circuit, buzzer circuit and working power composition, are full-automatic wireless Transmission system, use Securely and reliably, patient is without any mental burden when infusion, without worrying that unmanned processing is finished in medical fluid；Medical staff can also subtract significantly Light work intensity and psychological burden, avoid malpractice.But recently as infusion vessel in shape and material not Disconnected variation, the polybag infusion of medical flexible package and medical non-conical plastic bottle infusion vessel are clinically answered extensively With, since above-mentioned utility model can only place pyramid type vial infusion vessel on each electronic infusion device, the defect Be restricted its use scope clinically, in addition electronic circuitry design waits to optimize, monitoring function it is not ideal enough it is equal not Foot, has much room for improvement, is perfect.

Utility model content

Technical problem to be solved in the utility model is generally speaking to provide a kind of electricity of microcomputer monitoring transfusion measuring and reporting Appearance, digital coding modulation circuit and device；The technical issues of solving in detail and acquirement beneficial effect are in aftermentioned content and knot Content in specific embodiment is closed to specifically describe.

To solve the above problems, technical solution adopted in the utility model is:

A kind of liquid level inductance capacitance of microcomputer monitoring transfusion measuring and reporting device, the first liquid including being located at infusion tube two sides Position metal sensing chip and the second liquid level metal sensing chip；First liquid level metal sensing chip and the second liquid level metal sensing chip, which are formed, to be used In the capacitor C8 for incuding amount of liquid variation in this section of infusion tube；First liquid level metal sensing chip and the second liquid level metal sensing chip It is two parallel sheet metal structures and is symmetrically located in this section of infusion tube two sides.

Wherein, the first liquid level metal sensing chip and the second liquid level metal sensing chip are stuck in or are clipped in or be sticked to infusion tube On.

A kind of lesion hospital bed digital coding modulation circuit of microcomputer monitoring transfusion measuring and reporting device comprising integrated circuit Resistance R23, the integrated circuit U1E foot 1 of resistance R25, the connection of integrated circuit U1E foot 6 that U1E, integrated circuit U1E foot 5 connect connect The triode Q2 collector that resistance R17, the integrated circuit U1E foot 2 connect connects；The Internal Code of its pre-burning of integrated circuit U1E corresponds to The hospital bed of a certain particular number in a certain specific lesion and the lesion of the hospital；Resistance R25 it is used to receive microcomputer monitoring The electric potential signal that the communication time adjustment circuit interval of infusion detector and alarm is sent；

Integrated circuit U1E foot 4 will embody the digital information of a certain particular number hospital bed in a certain specific lesion and the lesion It is sent to the high frequency transmission circuit of microcomputer monitoring transfusion measuring and reporting device.

Wherein, wherein triode Q2 ground level connection microcomputer monitoring transfusion measuring and reporting device communication time adjustment circuit The resistance R16 of output signal in R15 and battery voltage detection circuit.

A kind of microcomputer monitoring transfusion measuring and reporting device, including liquid --- power conversion circuit comprising for incuding the section Capacitor C8, the triode Q6, resistance R7, R8, R13, R14, capacitor C4, C5, C6, C9, C8, C7 of amount of liquid variation in infusion tube And inductance L1；Wherein capacitor C8 includes incuding positioned at the first liquid level metal sensing chip of infusion tube two sides and the second liquid level metal Piece, triode Q6 connection resistance R7, R8, R13, R14, capacitor C4, C5, C6, C9, C8, C7 and inductance L1 constitute sine-wave oscillation Device, triode Q5 base stage connect diode D6, capacitor C7, collector connecting resistance R9, R10 and emitter ground connection and constitute amplifying stage；When The corresponding liquid of capacitor C8 there are when, triode Q5 is in saturated, current collection extremely low potential；And it is soft when being infused When medical fluid is lower than the position of capacitor C8 in managing, triode Q5 current collection extremely high potential；

Communication time adjustment circuit, the level signal variation of receiving liquid --- power conversion circuit output comprising Shi Mi Special integrated circuit U1B, diode D2, D5, resistance R10, R11, R12 and capacitor C10；Wherein the foot 5 of U1B connects resistance R10, two The foot 6 of pole pipe D2 and U1B connect resistance R11, R12 and the connection diode D5 composition duty ratio of foot 4 of capacitor C10 and U1B can The multivibrator of tune；When in infusion tube medical fluid be lower than capacitor C8 position, triode Q5 current collection extremely high level when, integrate The level of circuit output end U1B foot 4 just alternately changes between high and low, allows when low level each circuit of rear class to work, that is, sends out High-frequency signal out；When capacitor C8 corresponding liquid there are when, the foot 4 of ic output U1B is high level, high-frequency signal Stop issuing；

Lesion hospital bed digital coding modulation circuit receives the current potential that communication time adjustment circuit interval is sent, i.e. high frequency Signal is in interval emission state.

The present apparatus belongs to medical assistance instrument, function are as follows: when certain infusion will finish, i.e., when medical fluid in infusion tube When lower than position clamped by liquid level sensing chip in clip on transfusion monitor box body, transfusion monitor can immediately by this information with Digital coding wireless signal issues.And the indoor computer monitoring report instrument of medical care internal SCM system control under, by infusion monitoring The information that device issues, after identified, operation, data processing and judgement, i.e., is mentioned with the voice of the digital-scroll technique of hospital bed number, loudspeaker Show and send information to medical staff with three kinds of modes of lighting of corresponding voice content indicator light, to handle in time.The device also has The prompt facility of standby prompt facility repeatedly and replacement transfusion monitor working battery, realizes intelligence.

The beneficial effects of the utility model description without being limited thereto, in order to preferably be easy to understand, in specific embodiment portion Divide and has carried out more detailed description.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model installation.

Fig. 2 is the structural schematic diagram of the utility model liquid level metal sensing chip.

Fig. 3 is the circuit block diagram of the utility model transfusion monitor.

Fig. 4 is the circuit block diagram of the utility model computer monitoring report instrument.

Fig. 5 is the circuit diagram of the utility model transfusion monitor.

Fig. 6 is the circuit diagram of the utility model computer monitoring report instrument.

Wherein: 1, the first liquid level metal sensing chip；2, the second liquid level metal sensing chip.

Specific embodiment

The utility model is a kind of microcomputer monitoring transfusion measuring and reporting device, is made of two parts: first part is placed in disease The transfusion monitor of high-frequency signal is clamped on infusion tube and can emitted in room；Second part is placed in medical staff's office This two parts of computer monitoring report instrument composition of indoor reception and processing high-frequency signal.

Its function is: when certain infusion-completed, transfusion monitor issues wireless high-frequency digital signal immediately, and is placed in doctor After the indoor computer monitoring report instrument of shield personnel office monitors the signal, through software identification, decoding and immediately with digital-scroll technique bed Number, speaker sound prompt and three kinds of modes of voice content indicator light to medical staff send information, so as to make medical staff and When handle

Working principle is introduced separately below

First part: transfusion monitor

It is described in conjunction with the circuit block diagram and circuit diagram of following transfusion monitor

1: liquid --- power conversion circuit

Its circuit operation principle are as follows:

Incuded by triode Q6 connection resistance R7, R8, R14, R14, capacitor C4, C5, C6, C9, C7 and capacitor C8(liquid level Piece) and inductance L1 constitute sine-wave oscillator, triode Q5 base stage meets diode D6, capacitor C7, collector connecting resistance R9, R10 It is grounded with emitter and constitutes amplifying stage, the above composition liquid --- power conversion circuit.When in infusion tube medical fluid higher than liquid level incude When position clamped by piece, due to the presence of liquid, relative dielectric constant make liquid level sensing chip formed capacitor C8 value compared with Greatly, the positive feedback being made of it is enough that sine-wave oscillator is made to work, and oscillator signal makes at triode Q5 after amplifying stage amplifies In saturated, current collection extremely low potential；And works as medical fluid in infusion tube and be lower than position clamped by liquid level sensing chip When, the relative dielectric constant of air makes capacitor C8 value become smaller, and the positive feedback being made of it is insufficient to allow sine-wave oscillator to work, Oscillation stops, and triode Q5 current collection extremely high potential is caused, to realize the high and low and triode of liquid level in infusion tube The high and low corresponding liquid of Q5 collector potential --- electricity conversion.And this is one and is examined using the dielectric constant of substance The physical process of survey, while the capacitor of detecting element C8(sensing chip formation) it is contactless with tested medical fluid, thus it is pollution-free.

Attached drawing be detecting element C8(sensing chip formed capacitor) geometry and examinations work when position:

2: detection time adjustment circuit

The circuit is that " liquid --- power conversion circuit " provides power supply, if a direct power supply in entire infusion process, too unrestrained It is power-consuming can, according to extra small flow this feature of medical fluid within the unit time: in several seconds, liquid level in perfusion tube Just therefore several millimeters design detection time adjustment circuit for variation, can also be called intermittent circuit, and the intermittent time is 3 seconds Left and right, and power-on time is millisecond pole.

Circuit operation principle are as follows:

Triode Q1 connection resistance R3, R5, capacitor C1, power switch S connect resistance R1 and integrated circuit with triode Q3 U1A foot 2, triode Q4 connection resistance R4, capacitor C3 constitute the adjustable blocking oscillator of a duty ratio, and effect is in integrated electricity The output end feet 3 of road U1A forms an interval high level pulse, is liquid in the pulse duration --- and power conversion circuit provides work Make power supply.

3: communication time adjustment circuit

Communication time adjustment circuit mainly by Schmidt's integrated circuit U1B, diode D2, D5, resistance R10, R11, R12 and Capacitor C10 is constituted.The foot 5 of U1B connects resistance R10, the foot 6 of diode D2 and U1B connect resistance R11, R12 and capacitor C10 with And the foot 4 of U1B connects diode D2 and constitutes the adjustable multivibrator of duty ratio.Its effect is to work as infusion-completed, triode Q5 Current collection extremely high level when, oscillator is started to work, and the level of ic output U1B foot 4 just hands between high and low Allow each circuit of rear class to work for variation, when low level, i.e. sending high-frequency signal, realizes communication.Otherwise when being high level, forbid High-frequency signal issues, and makes 0.5-1 second high-frequency signal launch time by reasonably selecting resistance R11, R12, interval time is 30-40 seconds.It designs in this way, after allowing for the primary report of sending, if medical staff could not be handled in time, then is spaced half point Clock or so issues report again, until being disposed.

4: battery voltage detection circuit

Since transfusion monitor is designed as battery power supply, therefore when detecting that cell voltage is down to specified value, to notify to cure Shield personnel renew battery.

Battery voltage detection circuit connects resistance R18, diode D3, zener diode D7, collection by integrated circuit U1C foot 10 Resistance R16 is connected at circuit U 1D foot 11, integrated circuit U1D foot 12,13 connects the collector and capacitor of resistance R19, triode Q7 C11, triode Q7 connection resistance R19, R20, R21 constitute micro current amplifier and detect cell voltage, and effect is to work as electricity When cell voltage is down to the specified value of lower limit, i.e., dispensary is sent to high-frequency digital wireless encoding pulse signal, reminds medical staff Battery is updated in time for electronic infusion device.

5: lesion hospital bed digital coding modulation circuit

One comprehensive hospital has multiple lesiones of different department, and there are tens not equal hospital beds in each lesion again, Therefore which lesion is utility model device can differentiate and be which hospital bed of the lesion.

Its circuit operation principle are as follows:

Resistance R25 is connected by integrated circuit U1E foot 5, foot 6 connects resistance R23, foot 1 connects resistance R17, foot 2 connects three poles Pipe Q2 collector is constituted, wherein resistance R15, R16 in triode Q2 connection battery voltage detection circuit, wherein integrated circuit U1E be it is a piece of by CMOS manufacture and design can pre-burning Internal Code coding chip, coding repetitive rate be hundred a ten thousandths, pre-burning Internal Code corresponds to the hospital bed of a certain particular number in a certain specific lesion and the lesion of the hospital, as long as certain sick bed infusion is complete Finish, then triode Q2 is on state by original off state jump, then starting integrated circuit U1E starts to work immediately, will The digital information for embodying a certain particular number hospital bed in a certain specific lesion and the lesion is passed by foot 4 to junior's element circuit It passs, completes the coding of lesion hospital bed number and the modulation to junior's circuit.

6: high frequency transmission circuit

The function of the partial circuit is will to embody the digitally encoded signal of lesion, hospital bed with the wireless system of micropower Transmitting.The circuit is by triode Q8 connection capacitor C12, C13, C14 and spring antenna Y2, connection resistance R24, inductance L2, L3, sound Surface oscillator Y1 connects resistance R26 composition with triode Q9.Resistance R26 is connect with the foot 4 of integrated circuit U1E.Triode Q9 Base stage connects resistance R26 to receive the modulated signal of prime, as long as infusion-completed, under the control of modulated signal, with The centre frequency of 433.92Mhz launches the digital information for finishing code.

7: power circuit

Utility model device uses minicell to power since operating current is minimum, through known to experiment: generally living It is to calculate 2-3 bottles (with about 4---6 hours) according to daily amount of infusion, updating one-shot battery can in the case that institute treats Use or so half a year.Electric routing battery Vcc, power switch S1, diode D1 and resistance R22 are constituted, and wherein diode D1 is Anti- battery reversal connection is used, and resistance R22 is circuit discharging resistance.

8: work light circuit

It is connected resistance R6 and light emitting diode D4 by the connection of integrated circuit U1A foot 1 resistance R2 and capacitor C2, foot 1 and is constituted, In 20 seconds or so the times after power switch S1 closure, since capacitor C2 both end voltage cannot be mutated, make that integrated circuit U1A's is defeated End feet 3 is high level out, therefore light emitting diode D4 is persistently lighted, and causes good visual effect to using, and indicates that equipment starts Work, subsequent capacitor C2 both end voltage fade to high level, then 3 voltage of output end feet of integrated circuit U1A is according to " detection time The concussion of duty ratio adjustable intermittent oscillator in adjustment circuit " and change repeatedly between high-low voltage, then light emitting diode D4 With regard to the luminous power down mode of interval is presented.

Second part: computer monitoring report instrument

It is described in conjunction with the circuit block diagram and circuit diagram of following computer monitoring report instrument

1: high-frequency reception, amplification and rectification circuit

By reception integrated circuit U1 foot 5 connect antenna AN, foot 1 connect integrated regulator U2 foot 3 and capacitor C1, C5 composition, effect is that the faint radio digital signal for receiving antenna send triode Q1 to put by foot 2 through resistance R1 It is transmitted after big shaping to junior.

2: SCM system

SCM system mainly connects integrated regulator U3's by 6 connecting triode Q1 of the foot of integrated circuit U6, foot 16 Foot 3, capacitor C2, C8, foot 4, foot 5 connect crystal oscillator Y3 and capacitor C6, C7 are constituted, and integrated circuit U6 is one-chip computer, in it Under the control of portion's program, lesion that prime is sent, hospital bed data are subjected to software decoding, identification, operation, processing and judge nothing After accidentally, control is issued to hospital bed digital display circuit, voice reporting circuit and voice report content indicator light circuit respectively and is referred to It enables

3: hospital bed digital display circuit

Mainly by the foot 5 of integrated circuit U10, foot 6, foot 10, foot 11, foot 12, foot 13 connect resistance R6, R7, R8, R9, R15, R16, R17 simultaneously by resistance connecting triode Q4----Q10, then by triode connection resistance R10, R11, R12, R13, R22, R23, R24 simultaneously finally connect digital display set at circuit U 4 and U7, to realize the display to hospital bed number tens；It is integrated Foot 5, foot 6, foot 10, foot 11, foot 12, the foot 13 of circuit U 11 connect resistance R18, R19, R20, R21, R29, R30, R31 and pass through Resistance connecting triode Q11----Q17, then by triode connection resistance R25, R26, R27, R32, R33, R34, R35 and most Digital display set is connected eventually at circuit U 5 and U8, to realize the display to hospital bed number units；The bed label number being particularly shown takes Certainly with the control instruction of upper level " decoding of SCM system software ".

4: voice reporting circuit

Foot 9, the foot 10, foot of integrated circuit U6 are connected by the foot 1 of speech IC U9, foot 10, foot 11, foot 12, foot 15 11, foot 12, foot 13, to receive voice play instruction；Foot 14, the foot 16 of U9 be separately connected capacitor C9 and diode D3, D4 with Working power is provided；The foot 2 of U9 connect capacitor C3, C12, resistance R24 and continue connection resistance R4, R5, capacitor C4, C11, C13；Continue foot 5, foot 7, the foot 8 of connection voice power amplifier integrated circuit U12 again；The foot 2 of U12 connects capacitor C14 to provide work Power supply；Foot 1, the foot 3 of U12 connects capacitor C16, C17, resistance R28, R36 and loudspeaker Y2, collectively forms voice report electricity above Road, under the control of integrated circuit U6 SCM system, the different sentences that will be stored in speech IC U9 in different address It sends out, according to different functional requirements, the sentence for being organized into specific meanings pushes loudspeaker by audio frequency power amplifier integrated circuit U12 Y2 is played.

5: voice report content indicator light circuit

Voice report content indicator light circuit is by triode Q2 connection light emitting diode D1 and passes through resistance R2 and integrated electricity Road U6 foot 14 is connected, and triode Q3 connection light emitting diode D2 is simultaneously connected by resistance R3 with integrated circuit U6 foot 15, Effect is, is that battery is not in infusion-completed or replacement transfusion monitor according to voice is played under SCM system control Corresponding light emitting diode is lighted with content.

6: power circuit

It is mainly made of power IC U13, foot 1, the foot 2 of U13 connects 220 volts of AC power sources, foot 3, the foot 4 of U13 DC supply is provided for integrated circuit.

The inventive point of the utility model is:

It uses two parallel the first liquid level metal sensing chips 1 and the second liquid level metal sensing chip 2, two sheet metals It is clamped on infusion tube, it can be symmetrical by the first liquid level metal sensing chip 1 and the second liquid level metal sensing chip 2 by clip It is clamped in hose two sides.First liquid level metal sensing chip 1 and the second liquid level metal sensing chip 2 can also be pasted onto infusion tube two Side or other normal methods are installed in hose two sides, are preferably mounted at perfusion tube the first liquid level metal sensing chip 1 and Two liquid level metal sensing chips 2 form capacitor, are changed by liquid level in hose, so that the electricity of the generation between two sheet metals Holding C8 to change, pass through liquid --- power conversion circuit switchs to electric signal (low and high level 1,0), adjusts electricity by communication time Road, lesion hospital bed digital coding modulation circuit receive level change signal, pass through the Internal Code coding greatly letter of integrated circuit U1E Change circuit, it is preferred to use the coding chip eV-1527 of 8 feet, so that Circuit Intelligent, simplifies, fault-tolerant ability is strong, Encoding It can be strong.Then the shield room of doing is sent to by high frequency transmission circuit and receives reporting circuit, and remind shield by three kinds of modes of acousto-optic-electric Scholar replaces the medical fluid of corresponding hospital bed.

As distressed structure, sheet metal can curve half arc to wrap up perfusion tube, this structure fixation, still Its structure is complicated, needs Machining Arc piece, and due to using arc-shaped structure, complex process dismounts not from perfusion tube Convenient, at high cost, dimly lit because perfusion tube is soft when especially use at night, arc plate is easy folder partially, thus sternly Ghost image rings reaction sensitivity and alarm feedback effects, and uses arcuate structure, and spacing is uneven, to cause feedback error； Jitter.

After two sheet metals, after medical fluid tails off in this section of perfusion tube, using parallel metal sheet, reaction spirit Quick, feedback signal precision is high, and clamping when does not need so that hose is located therein (because spacing parallel equidistant), thus suitable Ying Xingqiang, better effect.

By using the sheet metal for being clipped in perfusion tube two sides that is parallel to each other, simple process is convenient for disassembly and assembly, low in cost, Length is variable, after two sheet metals, after medical fluid tails off in this section of perfusion tube, using parallel metal sheet, reaction Sensitive, feedback signal precision is high,

The function of " high frequency transmission circuit " is made of two transistors and spring antenna, and signal is strong and stablizes.

The change of reporting circuit is received to the shield room of doing:

1: it realizes that the function of decoding circuit is decoded for program, i.e., software decodes, so that circuit is simple, performance is stablized；

2: the main devices in " microsystem " function are the one chip microcomputers of 16 feet；

3: the main devices in " voice reporting circuit " function are the small chips of 16 feet；

4: " power circuit " more Switching Power Supply；

5: " 4 charactrons of hospital bed digital display circuit.

The utility model is designed reasonably, low in cost, durable, safe and reliable, easy to operate, time saving and energy saving, saving It is fund, compact-sized and easy to use.

It is to disclose in order to more clear, and the prior art is just no longer enumerated that the utility model, which fully describes,.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic Replacement；It is obvious for being combined as multiple technical solutions of the those skilled in the art to the utility model.And these It modifies or replaces, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (5)

1. a kind of liquid level inductance capacitance of microcomputer monitoring transfusion measuring and reporting device, it is characterised in that: including being located at infusion tube two The the first liquid level metal sensing chip (1) and the second liquid level metal sensing chip (2) of side；First liquid level metal sensing chip (1) and second Liquid level metal sensing chip (2) is formed for incuding the capacitor C8 that amount of liquid changes in this section of infusion tube；First liquid level metal sense Piece (1) is answered to be two parallel sheet metal structures with the second liquid level metal sensing chip (2) and be symmetrically located in this section of infusion tube Two sides.

2. the liquid level inductance capacitance of microcomputer monitoring transfusion measuring and reporting device according to claim 1, it is characterised in that: the One liquid level metal sensing chip (1) and the second liquid level metal sensing chip (2) are stuck in or are clipped in or be sticked on infusion tube.

3. a kind of lesion hospital bed digital coding modulation circuit of microcomputer monitoring transfusion measuring and reporting device, it is characterised in that: it includes Resistance R23, the integrated circuit of resistance R25, the connection of integrated circuit U1E foot 6 that integrated circuit U1E, integrated circuit U1E foot 5 connect The triode Q2 collector of resistance R17, the connection of integrated circuit U1E foot 2 that U1E foot 1 connects；Its pre-burning of integrated circuit U1E it is interior Code corresponds to the hospital bed of a certain particular number in a certain specific lesion and the lesion of the hospital；Resistance R25 its be used to receive it is micro- The electric potential signal that the communication time adjustment circuit interval of computer monitoring transfusion measuring and reporting device is sent；

Integrated circuit U1E foot 4 sends the digital information for embodying a certain particular number hospital bed in a certain specific lesion and the lesion To the high frequency transmission circuit of microcomputer monitoring transfusion measuring and reporting device.

4. the lesion hospital bed digital coding modulation circuit of microcomputer monitoring transfusion measuring and reporting device according to claim 3, Be characterized in that: wherein triode Q2 ground level connection microcomputer monitoring transfusion measuring and reporting device communication time adjustment circuit R15 and The resistance R16 of output signal in battery voltage detection circuit.

5. a kind of microcomputer monitoring transfusion measuring and reporting device, it is characterised in that: including

Liquid --- power conversion circuit comprising for incuding the capacitor C8, triode that amount of liquid changes in this section of infusion tube Q6, resistance R7, R8, R13, R14, capacitor C4, C5, C6, C9, C8, C7 and inductance L1；Wherein capacitor C8 includes being located at infusion tube First liquid level metal sensing chip (1) of two sides and the second liquid level metal sensing chip (2), triode Q6 connection resistance R7, R8, R13, R14, capacitor C4, C5, C6, C9, C8, C7 and inductance L1 constitute sine-wave oscillator, and triode Q5 base stage meets diode D6, capacitor C7, collector connecting resistance R9, R10 and emitter ground connection constitute amplifying stage；When the corresponding liquid of capacitor C8 there are when, triode Q5 is in saturated, current collection extremely low potential；And when medical fluid is lower than the position of capacitor C8 in infusion tube, three poles Pipe Q5 current collection extremely high potential；

Communication time adjustment circuit, the level signal variation of receiving liquid --- power conversion circuit output comprising Schmidt's collection At circuit U 1B, diode D2, D5, resistance R10, R11, R12 and capacitor C10；Wherein the foot 5 of U1B connects resistance R10, diode The foot 6 of D2 and U1B connects resistance R11, R12 and the connection diode D5 composition duty ratio of foot 4 of capacitor C10 and U1B are adjustable Multivibrator；When in infusion tube medical fluid be lower than capacitor C8 position, triode Q5 current collection extremely high level when, integrated circuit The level of output end U1B foot 4 just alternately changes between high and low, and each circuit of rear class is allowed when low level to work, that is, issues high Frequency signal；When capacitor C8 corresponding liquid there are when, the foot 4 of ic output U1B is high level, and high-frequency signal stops It issues；

Lesion hospital bed digital coding modulation circuit receives the electric potential signal that communication time adjustment circuit interval is sent；It includes Resistance R23, the integrated circuit of resistance R25, the connection of integrated circuit U1E foot 6 that integrated circuit U1E, integrated circuit U1E foot 5 connect The triode Q2 collector of resistance R17, the connection of integrated circuit U1E foot 2 that U1E foot 1 connects；Its pre-burning of integrated circuit U1E it is interior Code corresponds to the hospital bed of a certain particular number in a certain specific lesion and the lesion of the hospital；

It is a certain specific to receive that integrated circuit U1E foot 4 exports and a certain specific lesion of embodiment and the lesion for high frequency transmission circuit The digital information of number hospital bed, and the information is sent；

Computer monitoring report instrument, for receiving the information of high frequency transmission circuit transmitting.