CN109172920B - Intelligent transfusion heating alarm - Google Patents

Intelligent transfusion heating alarm Download PDF

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Publication number
CN109172920B
CN109172920B CN201810881010.9A CN201810881010A CN109172920B CN 109172920 B CN109172920 B CN 109172920B CN 201810881010 A CN201810881010 A CN 201810881010A CN 109172920 B CN109172920 B CN 109172920B
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resistor
interface
triode
heating
singlechip
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CN201810881010.9A
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Chinese (zh)
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CN109172920A (en
Inventor
崔有正
牟海东
王凤娟
尹涛
刘萌
王兴国
关俊豪
吕云龙
李宏旭
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Qiqihar University
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Qiqihar University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16804—Flow controllers
    • A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
    • A61M5/1684—Monitoring, detecting, signalling or eliminating infusion flow anomalies by detecting the amount of infusate remaining, e.g. signalling end of infusion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
    • A61M5/16877—Adjusting flow; Devices for setting a flow rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/44—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media
    • A61M5/445—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for cooling or heating the devices or media the media being heated in the reservoir, e.g. warming bloodbags
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/18—General characteristics of the apparatus with alarm

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

Intelligent transfusion heating alarm. The invention relates to an intelligent transfusion heating alarm. The shell body inlay on the right side or the left side of link plate, the left side or the right side of link plate open and to have the draw-in groove, the draw-in groove in install the heating tank, the heating tank in still install the heat conduction arc, the heat conduction arc in block the transfer line. The invention is used for the intelligent transfusion heating alarm.

Description

Intelligent transfusion heating alarm
Technical Field
The invention relates to an intelligent transfusion heating alarm.
Background
Intravenous infusion is a common treatment means in clinical medical work, a patient needs to take several groups of liquid medicines one day, the patient lies in bed and feels tired due to long infusion time, the patient easily sleeps in the infusion process, if the infusion is completed but the patient does not find the medicine in time, medical staff cannot change the medicine or pull out a needle in time, air enters blood vessels to form air embolism, the air enters the blood vessels slightly, pain is brought to the patient, the body health of the patient is seriously threatened, and accidents occur.
At present, in the clinical transfusion process, a patient, a waiter or a medical staff generally observes and monitors the residual situation of the liquid medicine at any time, and the clinical transfusion system has great energy consumption and low efficiency.
Particularly, under the conditions that patients are increased and medical care personnel are in tension, the contradiction is particularly prominent, and when the cold liquid medicine is continuously input into the bodies of the patients in winter in northern areas, the patients can seriously feel cold stimulation of the medicine, and phlebitis can be possibly caused.
The existing independent heating and independent alarm device in the market is troublesome to use, the device is too simple and crude, the requirements of patients cannot be completely met, most importantly, the existing auxiliary infusion device in the market does not have a device with a self-locking function, and the safety performance is worried.
Disclosure of Invention
The invention aims to provide an intelligent transfusion heating alarm, which utilizes the internet era of our body and adds a Bluetooth sensing system into the device, thereby greatly reducing the workload of medical care personnel and the burden of family members of patients, solving the problem of continuous transfusion management and improving the service efficiency and the working quality of the medical care personnel in hospitals.
The above purpose is realized by the following technical scheme:
an intelligent transfusion heating alarm comprises: the loudspeaker comprises an outer shell 1, wherein a sound outlet 2 is arranged on the front surface of the outer shell 1, a temperature display screen 3 is arranged at the lower end of the sound outlet 2, a key 4 is arranged below the temperature display screen 3, a switch 5 is arranged below the key 4, a heating switch 14 is arranged at the top of the outer shell 1,
the shell body 1 is embedded on the right side or the left side of the hanging plate 6, a clamping groove 7 is formed in the left side or the right side of the hanging plate 6, the clamping groove 7 is filled with a heating groove 8, a heat conduction arc 9 is further filled in the heating groove 8, and an infusion tube is clamped in the heat conduction arc 9;
draw-in groove 7's left side or right side set up photosensitive receiver 10, photosensitive receiver 10 connect infrared emitter 11, infrared emitter 11 pass through wire connection singlechip 12, the singlechip still connect bee calling organ 13, temperature display screen 3, button 4, heating switch 14 and electromagnetic relay 15, electromagnetic relay 15 inhale and lock spacer pin 16, the one end of locking spacer pin 16 connect reset spring 17, the couple department overlap joint locking pin 18 of locking spacer pin 16 the upper end protruding, locking pin 18 in the built-in locking spring 19 that locks, the lower extreme of shell body 1 still draw forth power cord 20.
Has the advantages that:
1. the invention organically combines an electric heating device, a temperature control device, a small sensing device, a Bluetooth communication device, a transfusion tube locking device and an alarm device.
2. The invention can rapidly heat the liquid in the infusion tube in a short time and keep the temperature constant, so that the temperature of the liquid in the infusion tube reaches the temperature suitable for the physique of a patient, and before the infusion is about to be finished, the device automatically alarms, automatically clamps the infusion tube and transmits infusion information to a guardian.
3. The heating part of the invention adopts a Peltier semiconductor device, and can quickly heat the liquid medicine in the infusion tube.
4. The invention is provided with a temperature control key arranged on the front side of a shell and a temperature sensor used for measuring the temperature of the outer wall of an infusion tube; the temperature control button can adjust the power of the heater, so that the temperature of the heater can be adjusted.
5. The infusion locking device comprises a locking pin, a brake pin, a relay and a reset button; when the sensor sends a signal, the relay pulls up the brake pin, the locking pin (by means of the elastic force of the spring) pops up to lock the infusion tube, so that the protection effect is achieved, and finally, the infusion tube is manually reset through the reset key.
6. The sensing device of the invention adopts the photoelectric principle, detects the liquid level change in a non-contact way, and judges whether the transfusion is finished or not according to the transmission and condensation principle of the columnar liquid in the transfusion tube (the non-contact detection of the liquid level change).
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an internal connection diagram of the present invention.
Fig. 3 is a schematic structural diagram of the locking mechanism of the present invention.
Fig. 4 is a circuit diagram of the single chip microcomputer U1 of the invention.
Fig. 5 is a diagram of a photoresistor circuit of the present invention.
Fig. 6 is a circuit diagram of the interface J9 of the present invention.
Fig. 7 is a circuit diagram of the relay RK2 of the present invention.
Fig. 8 is a circuit diagram of the interface J3-1 of the present invention.
Fig. 9 is a schematic view of the structure of the photosensitive sensor of the present invention.
Fig. 10 is a diagram of a photosensor circuit of the present invention.
FIG. 11 is a schematic diagram of a messaging system layout according to the present invention.
Fig. 12 is a schematic diagram of the peltier operation of the present invention.
FIG. 13 is a schematic diagram of the temperature control system of the present invention.
The specific implementation mode is as follows:
example 1
An intelligent transfusion heating alarm comprises: the loudspeaker comprises an outer shell 1, wherein a sound outlet 2 is arranged on the front surface of the outer shell 1, a temperature display screen 3 is arranged at the lower end of the sound outlet 2, a key 4 is arranged below the temperature display screen 3, a switch 5 is arranged below the key 4, a heating switch 14 is arranged at the top of the outer shell 1,
the shell body 1 is embedded on the right side or the left side of the hanging plate 6, a clamping groove 7 is formed in the left side or the right side of the hanging plate 6, the clamping groove 7 is filled with a heating groove 8, a heat conduction arc 9 is further filled in the heating groove 8, and an infusion tube is clamped in the heat conduction arc 9;
draw-in groove 7's left side or right side set up photosensitive receiver 10, photosensitive receiver 10 connect infrared emitter 11, infrared emitter 11 pass through wire connection singlechip 12, the singlechip still connect bee calling organ 13, temperature display screen 3, button 4, heating switch 14 and electromagnetic relay 15, electromagnetic relay 15 inhale and lock spacer pin 16, the one end of locking spacer pin 16 connect reset spring 17, the couple department overlap joint locking pin 18 of locking spacer pin 16 the upper end protruding, locking pin 18 in the built-in locking spring 19 that locks, the lower extreme of shell body 1 still draw forth power cord 20.
The heating groove 8 and the battery box 21 are powered by a direct current power supply.
The intelligent transfusion heating alarm is characterized in that the No. 4 end of the single chip microcomputer U1 is connected with the No. 1 end of the interface J3-2, the No. 5 end of the single chip microcomputer U1 is connected with the No. 2 end of the interface J3-2, the No. 20 end of the single chip microcomputer U1 is grounded,
the No. 22 end of the singlechip U1 is connected with the No. 1 end of the interface J2-2,
the No. 26 end of the singlechip U1 is connected with the No. 1 end of the interface J8-2,
the 32 th end of the singlechip U1 is connected with the 14 th end of the chip L CD after being connected with the resistor R78 in series,
the No. 33 end of the singlechip U1 is connected with the No. 13 end of the chip L CD after being connected with the resistor R69 in series,
the 34 th end of the singlechip U1 is connected with the 12 th end of the chip L CD after being connected with the resistor R45 in series,
the No. 35 end of the singlechip U1 is connected with the No. 11 end of the chip L CD after being connected with the resistor R6 in series,
the 36 th end of the singlechip U1 is connected with the 10 th end of the chip L CD after being connected with the resistor R15 in series,
the No. 37 end of the singlechip U1 is connected with the No. 9 end of the chip L CD after being connected with the resistor R13 in series,
the No. 38 end of the singlechip U1 is connected with the No. 8 end of the chip L CD in series after being connected with the resistor R30,
the No. 39 end of the singlechip U1 is connected with the No. 7 end of the chip L CD after being connected with the resistor R5 in series,
and the No. 40 end of the singlechip U1 is connected with a working voltage VCC.
The intelligent transfusion heating alarm is characterized in that the No. 1 end of the chip L CD is connected with the No. 2 end of the chip L CD, one end of a capacitor C30, the working voltage VCC, the other end of the capacitor C30 and one end of a resistor RJ6, the other end of the resistor RJ6 is connected with the No. 3 end of the chip L CD,
the 15 th end of the chip L CD is connected to the working voltage VCC and one end of the capacitor C31, and the 16 th end of the chip L CD is connected to the other end of the capacitor C31 and the ground terminal.
The working voltage VCC of the intelligent transfusion heating alarm is connected with one end of a diode D1, the other end of the diode D1 is connected with an emitter e of a triode Q2,
the base electrode b of the triode Q2 is connected with one end of a resistor R39, the other end of the resistor R39 is connected with one end of a photoresistor Q3, the other end of the photoresistor Q3 is connected with the No. 1 end of an interface J8-1,
the collector c of the triode Q2 is connected with one end of a buzzer BZ, and the other end of the buzzer BZ is connected with a resistor R19 and then grounded.
In the intelligent transfusion heating alarm, the working voltage VCC is connected with an emitter e of a triode Q5, and a base b of a triode Q5 is connected with one end of a resistor R11;
the collector C of the triode Q5 is grounded after being connected with a resistor R19, the collector C of the triode Q5 is connected with the end No. 3 of an interface J9, the end No. 1 of the interface J9 is connected with the other end of a resistor R11, one end of a switch RSTK, one end of a capacitor C5 and one end of a resistor R10, the other end of the switch RSTK is connected with the other end of the capacitor C5 and a working voltage VCC, and the other end of the resistor R10 is grounded;
the working voltage VCC is connected with an emitter e of a triode Q1, a base b of the triode Q1 is connected with one end of a resistor R38, the other end of the resistor R38 is connected with the end 1 of an interface J2-1, a collector c of the triode Q1 is connected with the end 1 of a relay RK2, the end 3 of the relay RK2 is connected, the end 2 of the relay RK2 is connected with the end 1 of an interface MP, and the end 4 of the relay RK2 is connected with the end 1 of an interface NO;
the No. 1 end of the interface J3-1 is connected with one end of a switch K1, the No. 2 end of the interface J3-1 is connected with one end of a switch K2, and the other end of the switch K1 is connected with the other end of a switch K2 and then grounded.
Example 2
The method comprises the following steps:
a first step; when a patient is transfused, the intelligent transfusion heating alarm is fixed above a drip barrel of the Mofei transfusion device;
the second step is that: switching on the power supply, turning on a power switch, and displaying the green indicator light;
the third step: regulating the temperature to be suitable for the temperature of a patient, and carrying out normal transfusion;
the fourth step: when the liquid medicine level in the infusion tube is lower than the optical sensing device, the alarm prompt of a buzzer (the sound of dropping is given out), the warning lamp continuously flashes, and the Bluetooth device can timely transmit infusion information to an information board of a nurse station (or a mobile phone of a guardian);
the fifth step: meanwhile, the infusion tube is locked by the infusion tube locking device, so that the purpose of stopping infusion is achieved, and medical staff can safely wait for the arrival of the medical staff.
The working principle of the heating device is as follows:
the heating device mainly comprises a heating part, a heat transfer part and a device shell, wherein the heating part adopts a Peltier semiconductor device, the temperature of the outer wall of the infusion tube is adjusted through the heating side of the Peltier semiconductor device, so that the temperature of liquid in the infusion tube is adjusted, and the infusion heating device further comprises a temperature control device for controlling the operation of the heater. The heating side of the Peltier semiconductor device can be used for heating the infusion tube quickly, the infusion tube is not required to be wound on an infusion heating device, and the purpose of heating liquid in the infusion tube can be achieved so as to adapt to the physique of a patient.
The working principle of the temperature control device is as follows:
the temperature control system is very suitable for liquid medicine heating equipment and has the advantages of high integration level, strong function, high speed, strong anti-interference performance, low price, environment friendliness and the like.
Liquid level detection principle:
by utilizing the characteristic that the liquid medicine can absorb the energy of light, the transmitting end 26 and the receiving end 27 are respectively arranged on two sides of the infusion tube (as shown in fig. 9), when the liquid passes between the transmitting end and the receiving end, the photosensitive device senses less energy of the light and does not have further reaction, and when the infusion is finished and no liquid flows through the liquid, the photosensitive device senses more energy of the light, converts the light signal into an electric signal and carries out conversion processing by a next-stage processing unit, thereby monitoring the infusion process.
The working principle of the self-locking device is as follows:
the front end of the locking pin is hemispherical, so that the infusion tube can be completely clamped, and the purpose of stopping infusion is achieved. The tail part of the locking pin is provided with a strong spring 21, the strong spring 21 is in a pressing state in the infusion process, and a brake pin 22 and a locking pin 23 which are connected with the strong spring are in a locking state. When the relay 24 receives the signal that the transfusion is about to be completed, the relay 24 attracts the stopper pin 22 to move upwards, at this time, the locking pin 23 moves outwards due to the elastic force of the strong spring 21, the transfusion tube is locked, and the return spring 25 is in a tightened state. And after the power supply is cut off, the locking pin is restored to the original position by manual reset.
The working principle of the Bluetooth communication device is as follows:
when the infusion is finished, the Bluetooth messaging system automatically transmits the information of finishing the infusion to an information board (on the mobile phone of the guardian) of the nurse station.
The light-operated alarm principle is as follows:
the circuit receives the emitted light pulse by the photosensitive element, converts the light pulse signal into an electric signal and amplifies the electric signal. According to the difference of light received by the photoresistor, the resistance of the photoresistor changes to control the conduction of the triode, and further control the work of the buzzer and the light emitting diode.
The photoresistor belongs to a semiconductor photosensitive device, has the characteristics of high sensitivity, high reaction speed, good consistency of spectral characteristics and r value and the like, and can also keep high stability and reliability under severe environments of high temperature and humidity.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.

Claims (5)

1. An intelligent transfusion heating alarm comprises: shell body (1), characterized by: the front surface of the outer shell (1) is provided with a sound outlet (2), the lower end of the sound outlet (2) is provided with a temperature display screen (3), a key (4) is arranged below the temperature display screen (3), a switch (5) is arranged below the key (4), the top of the outer shell (1) is provided with a heating switch (14),
the heating device is characterized in that the shell body (1) is embedded on the right side or the left side of the hanging plate (6), a clamping groove (7) is formed in the left side or the right side of the hanging plate (6), a heating groove (8) is arranged in the clamping groove (7), a heat conduction arc (9) is further arranged in the heating groove (8), an infusion tube is clamped in the heat conduction arc (9), the heating device mainly comprises a heating part, a heat transfer part and a device shell, the heating part adopts Peltier semiconductor devices, and the heating device further comprises a temperature control device for controlling the operation of a heater;
the novel multifunctional temperature-sensing device is characterized in that a photosensitive receiver (10) is arranged on the left side or the right side of the clamping groove (7), the photosensitive receiver (10) is connected with an infrared light emitter (11), the infrared light emitter (11) is connected with a single chip microcomputer (12) through a lead, the single chip microcomputer is further connected with a buzzer (13), a temperature display screen (3), a key (4), a heating switch (14) and an electromagnetic relay (15), the electromagnetic relay (15) sucks and locks a limit pin (16), one end of the locking limit pin (16) is connected with a reset spring (17), the upper end of the locking pin (18) is overlapped at the hook of the locking limit pin (16) and protrudes, a locking spring (19) is arranged in the locking pin (18), and a power line (20) is led out of the lower end of the;
the No. 40 end of the single chip microcomputer is connected with a working voltage VCC, the working voltage VCC is connected with an emitter e of a triode Q1, a base b of the triode Q1 is connected with one end of a resistor R38, the other end of the resistor R38 is connected with the No. 1 end of an interface J2-1, a collector c of the triode Q1 is connected with the No. 1 end of a relay RK2, the No. 3 end of the relay RK2 is connected, the No. 2 end of the relay RK2 is connected with the No. 1 end of an interface MP, and the No. 4 end of the relay RK2 is connected with the No. 1 end of an interface NO;
the base b of the triode Q2 is connected with one end of a resistor R39, the other end of the resistor R39 is connected with one end of a photoresistor Q3, and the other end of the photoresistor Q3 is connected with the No. 1 end of an interface J8-1.
2. The intelligent transfusion heating alarm device as claimed in claim 1, wherein: the No. 4 end of the single chip microcomputer is connected with the No. 1 end of the interface J3-2, the No. 5 end of the single chip microcomputer is connected with the No. 2 end of the interface J3-2, the No. 20 end of the single chip microcomputer is grounded,
the No. 22 end of the singlechip is connected with the No. 1 end of an interface J2-2,
the No. 26 end of the singlechip is connected with the No. 1 end of an interface J8-2,
the 32 th end of the singlechip is connected with the 14 th end of the L CD after being connected with a resistor R78 in series,
the No. 33 end of the singlechip is connected with the No. 13 end of the chip L CD in series with a resistor R69,
the 34 th end of the singlechip is connected with the 12 th end of the L CD after being connected with a resistor R45 in series,
the No. 35 end of the singlechip is connected with the No. 11 end of the chip L CD in series with a resistor R6,
the 36 th end of the singlechip is connected with the 10 th end of the chip L CD in series with a resistor R15,
the No. 37 end of the singlechip is connected with the No. 9 end of the chip L CD in series with a resistor R13,
the No. 38 end of the singlechip is connected with the No. 8 end of the chip L CD in series with a resistor R30,
the No. 39 end of the singlechip is connected with the No. 7 end of the chip L CD in series with a resistor R5,
and the No. 40 end of the singlechip is connected with a working voltage VCC.
3. The intelligent transfusion heating alarm as claimed in claim 2, wherein the end 1 of the chip L CD is connected to the end 2 of the chip L CD, one end of the capacitor C30, the operating voltage VCC, the other end of the capacitor C30 and one end of the resistor RJ6, the other end of the resistor RJ6 is connected to the end 3 of the chip L CD,
the 15 th end of the chip L CD is connected to the working voltage VCC and one end of the capacitor C31, and the 16 th end of the chip L CD is connected to the other end of the capacitor C31 and the ground terminal.
4. The intelligent transfusion heating alarm device as claimed in claim 2, wherein: the working voltage VCC is connected with one end of a diode D1, the other end of the diode D1 is connected with an emitter e of a triode Q2,
the base electrode b of the triode Q2 is connected with one end of a resistor R39, the other end of the resistor R39 is connected with one end of a photoresistor Q3, the other end of the photoresistor Q3 is connected with the No. 1 end of an interface J8-1,
the collector c of the triode Q2 is connected with one end of a buzzer BZ, and the other end of the buzzer BZ is connected with a resistor R19 and then grounded.
5. The intelligent transfusion heating alarm device as claimed in claim 2, wherein: the working voltage VCC is connected with an emitter e of a triode Q5, and a base b of the triode Q5 is connected with one end of a resistor R11;
the collector C of the triode Q5 is grounded after being connected with a resistor R19, the collector C of the triode Q5 is connected with the end No. 3 of an interface J9, the end No. 1 of the interface J9 is connected with the other end of a resistor R11, one end of a switch RSTK, one end of a capacitor C5 and one end of a resistor R10, the other end of the switch RSTK is connected with the other end of the capacitor C5 and a working voltage VCC, and the other end of the resistor R10 is grounded;
the working voltage VCC is connected with an emitter e of a triode Q1, a base b of the triode Q1 is connected with one end of a resistor R38, the other end of the resistor R38 is connected with the end 1 of an interface J2-1, a collector c of the triode Q1 is connected with the end 1 of a relay RK2, the end 3 of the relay RK2 is connected, the end 2 of the relay RK2 is connected with the end 1 of an interface MP, and the end 4 of the relay RK2 is connected with the end 1 of an interface NO;
the No. 1 end of the interface J3-1 is connected with one end of a switch K1, the No. 2 end of the interface J3-1 is connected with one end of a switch K2, and the other end of the switch K1 is connected with the other end of a switch K2 and then grounded.
CN201810881010.9A 2018-08-04 2018-08-04 Intelligent transfusion heating alarm Expired - Fee Related CN109172920B (en)

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Application Number Priority Date Filing Date Title
CN201810881010.9A CN109172920B (en) 2018-08-04 2018-08-04 Intelligent transfusion heating alarm

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Application Number Priority Date Filing Date Title
CN201810881010.9A CN109172920B (en) 2018-08-04 2018-08-04 Intelligent transfusion heating alarm

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CN109172920A CN109172920A (en) 2019-01-11
CN109172920B true CN109172920B (en) 2020-07-31

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