CN113271071B - Infant incubator circuit for obstetrics and gynecology department - Google Patents
Infant incubator circuit for obstetrics and gynecology department Download PDFInfo
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- CN113271071B CN113271071B CN202110497821.0A CN202110497821A CN113271071B CN 113271071 B CN113271071 B CN 113271071B CN 202110497821 A CN202110497821 A CN 202110497821A CN 113271071 B CN113271071 B CN 113271071B
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- 239000003990 capacitor Substances 0.000 claims description 54
- 238000010792 warming Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G11/00—Baby-incubators; Couveuses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/10—Type of patient
- A61G2200/14—Children
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/30—General characteristics of devices characterised by sensor means
- A61G2203/46—General characteristics of devices characterised by sensor means for temperature
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- Health & Medical Sciences (AREA)
- Gynecology & Obstetrics (AREA)
- Pediatric Medicine (AREA)
- Pregnancy & Childbirth (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the field of obstetrics and gynecology, in particular to an infant incubator circuit for obstetrics and gynecology. The technical problems of the invention are that: the utility model provides a can remind the too high baby warm case circuit of gynaecology and obstetrics of temperature of people warm case. The technical implementation scheme of the invention is as follows: a baby warming box circuit for obstetrics and gynecology comprises a power supply unit, a first amplifying circuit, a filter circuit and the like; the output end of the first amplifying circuit is connected with the input end of the filter circuit. According to the invention, the temperature of the warm box can be detected through the temperature sensor, when the temperature of the warm box is too high, the alarm circuit can be controlled to alarm, so that people can be informed of the fact that the temperature of the warm box is too high, and the reference voltage of the first comparator circuit can be set through the first potentiometer, so that the warm box is suitable for different infants.
Description
Technical Field
The invention relates to the field of obstetrics and gynecology, in particular to an infant incubator circuit for obstetrics and gynecology.
Background
In hospitals, some infants just born are not enough in temperature, and the infants just born need to be put into a warm box for keeping warm, so that an environment similar to a parent is provided for the infants just born, and the infants just born can grow better.
In prior art, for example, the patent of application number CN201810319306.1 discloses a neonate's warm case, and its structure includes warm case body, lifting button, infusion support, warm case, induction system, warm case body bottom is equipped with the universal wheel, be equipped with the base on the universal wheel, base and universal wheel looks fixed connection, be equipped with the lifter on the base, lifter and base looks fixed connection.
The device is convenient to operate, simple in structure and convenient to realize, but when the temperature of the warm box is too high, people cannot be reminded, and people cannot handle the device timely.
Disclosure of Invention
In order to overcome the defect that the existing warm box has no high-temperature reminding function, people cannot be reminded when the temperature of the warm box is too high, and people cannot be timely treated, the technical problem of the invention is that: the utility model provides a can remind the too high baby warm case circuit of gynaecology and obstetrics of temperature of people warm case.
The technical implementation scheme of the invention is as follows: the utility model provides a gynaecology and obstetrics is with baby's warm box circuit, includes power supply unit, first amplifier circuit, filter circuit, second comparator circuit, first control circuit, temperature sensor, fourth potentiometre, third potentiometre, second potentiometre, heater, first comparator circuit and alarm circuit, the output of first amplifier circuit is connected with filter circuit's input, filter circuit's input and second potentiometre are connected, first amplifier circuit's input and temperature sensor are connected, filter circuit's output and second comparator circuit's input are connected, second comparator circuit's output and first comparator circuit's input are connected, first comparator circuit's output and alarm circuit's input are connected, second comparator circuit's output and first control circuit's input are connected, first control circuit's output and heater are connected, fourth potentiometer and third potentiometre all are connected with first control circuit, the filter circuit, the output of second comparator circuit and the first potentiometer, the first potentiometer of second comparator circuit.
Optionally, the power supply unit further comprises a first potentiometer, the first potentiometer is connected with the input end of the first amplifying circuit, and the power supply unit supplies power for the first potentiometer.
Optionally, the filter circuit includes a resistor R13 and a resistor R18, where the resistor R13 is connected in series with the resistor R18, and the other end of the resistor R18 is grounded.
Optionally, the second potentiometer comprises a potentiometer VR3 and a resistor R9, the resistor R9 is connected in series with the potentiometer VR3, and the other end and the adjustable end of the potentiometer VR3 are connected with the series intermediate point of the resistor R13 and the resistor R18.
Optionally, the first amplifying circuit includes a four operational amplifier LM324-U2, a triode Q1, a resistor R2, a resistor R3, a resistor R6, a resistor R7, a resistor R8, a resistor R10, a resistor R12, a resistor R18, a resistor R19, a resistor R20, a potentiometer VR5, a potentiometer VR6, a temperature sensor RT1, a capacitor C2, and a light emitting diode VD1, the 4 pin of the four operational amplifier LM324-U2 is connected with +9v, the 11 pin of the four operational amplifier LM324-U2 is grounded, the 2 pin of the four operational amplifier LM324-U2 is connected with one end of the resistor R10, the 2 pin of the four operational amplifier LM324-U2 is connected in series with the resistor R8, the resistor R3, the resistor R1, the resistor R2, and the capacitor C2, the other end of the capacitor C2 is grounded, the other end of the resistor R9 is connected with the middle point of the series connection of the resistor R8 and the resistor R3, the four-operation amplifier LM324-U2 is connected with a series connection intermediate point of a resistor R3 and a resistor R1, the 6 feet of the four-operation amplifier LM324-U2 are connected with a capacitor C1 and an anode of a light emitting diode VD1 in series, a cathode of the light emitting diode VD1 is grounded, the resistor R19 is connected with a potentiometer VR5 in series, the other end of the resistor R19 is connected with +9V, the other end of the potentiometer VR5 is grounded, the 9 feet of the four-operation amplifier LM324-U2 are connected with an adjustable end of the potentiometer VR5, the resistor R20 is connected with a potentiometer VR6 in series, the other end of the resistor R20 is connected with +9V, the other end of the potentiometer VR6 is grounded, the 9 feet of the four-operation amplifier LM324-U2 are connected with a resistor R7 and a base of a triode Q1 in series, and an emitter of the triode Q1 is grounded.
Optionally, the first potentiometer includes a resistor R5 and a potentiometer VR2, one end of the potentiometer VR2 is grounded, the other end of the potentiometer VR2 and the adjustable end thereof are connected with one end of the resistor R5, the other end of the resistor R5 is connected with +9v, and the other end of the resistor R10 is connected with the adjustable end of the potentiometer VR 2.
Optionally, the alarm circuit includes a triode Q2, a resistor R11, a resistor R15, a resistor R16, a resistor R17, a light emitting diode VD3 and a buzzer BZ1, an 8-pin serial resistor R17 of the four operational amplifiers LM324-U2 and an anode of the light emitting diode VD3, a cathode of the light emitting diode VD3 is grounded, an 8-pin serial resistor R15 of the four operational amplifiers LM324-U2 and a base of the triode Q2, an emitter of the triode Q2 is grounded, a base serial resistor R16 of the triode Q2 is grounded, a collector of the triode Q2 is serial with the buzzer BZ1 and the resistor R11, and the other end of the resistor R11 is connected with +9v.
Optionally, the first control circuit comprises a time base integrated circuit NE555-U1, a time base integrated circuit NE555-U3, a capacitor C3, a resistor R14, a resistor R21, a resistor R23, a resistor R24, a resistor R25, a light emitting diode VD2, a light emitting diode VD4, a triode Q3, an electrolytic capacitor EC3, a diode D1 and a relay RL1, wherein the pin 2 of the time base integrated circuit NE555-U1 is connected with the collector of the triode Q1, the pin 1 of the time base integrated circuit NE555-U1 is grounded, the pin 4 and the pin 8 of the time base integrated circuit NE555-U1 are both connected with +9V, the pin 5 of the time base integrated circuit NE555-U1 is connected with the ground through the capacitor C3, the pin 3 of the time base integrated circuit NE555-U1 is connected with the resistor R14 in series with the cathode of the light emitting diode 2, the anode of the light emitting diode 2 is connected with +9V, the pin 3 of the time base integrated circuit NE555-U1 is connected with the pin 1 of the time base integrated circuit NE555-U3, the 4 and 8 pins of the time base integrated circuit NE555-U3 are connected with +9V, the 5 pin serial capacitor C4 of the time base integrated circuit NE555-U3 is grounded, the resistor R21 is connected with the electrolytic capacitor EC3 in series, the other end of the electrolytic capacitor EC3 is grounded, the other end of the resistor R21 is connected with +9V, the 2 pin of the time base integrated circuit NE555-U3 is connected with the serial middle point of the resistor R21 and the electrolytic capacitor EC3, the 3 pin serial resistor R23 of the time base integrated circuit NE555-U3 is connected with the anode of the light emitting diode VD4, the cathode of the light emitting diode VD4 is grounded, the 3 pin serial resistor R24 of the time base integrated circuit NE555-U3 is connected with the base of the triode Q3, the base serial resistor R25 of the triode Q3 is grounded, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with +9V, the collector of the triode Q3 is connected with one end of a coil of the relay RL1, the other end of the coil of the relay RL1 is connected with +9V, the COM end of the relay RL1 is connected with +24V, and the NO end of the relay RL1 is connected with a heater.
Optionally, the third potentiometer includes a potentiometer VR1, a resistor R4 and an electrolytic capacitor EC1, where the resistor R4 and the potentiometer VR1 are connected in series with the electrolytic capacitor EC1, the other end of the potentiometer VR1 is connected with +9v with the adjustable end thereof, the other end of the electrolytic capacitor EC1 is grounded, and the time-base integrated circuit NE555-U1 is connected with the series intermediate point of the resistor R4 and the electrolytic capacitor EC 1.
Optionally, the fourth potentiometer includes a potentiometer VR4, a resistor R22 and an electrolytic capacitor E2, the electrolytic capacitor EC2 is connected in series with the resistor R22 and the potentiometer VR4, the other end of the potentiometer VR4 is connected with the adjustable end thereof by +9v, the other end of the electrolytic capacitor EC2 is grounded, and the time-base integrated circuit NE555-U3 is connected with the series intermediate point of the resistor R22 and the electrolytic capacitor EC 2.
The beneficial effects of the invention are as follows:
1. The temperature sensor can detect the temperature of the warm box, and when the temperature of the warm box is too high, the alarm circuit can be controlled to alarm, so that people can be informed of the too high temperature of the warm box.
2. The reference voltage of the first comparator circuit can be set by the first potentiometer so as to be suitable for different infants.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Meaning of reference numerals in the drawings: 1: power supply unit, 2: first amplifying circuit, 3: a filter circuit, 4: second comparator circuit, 5: first control circuit, 6: temperature sensor, 7: fourth potentiometer, 8: third potentiometer, 9: second potentiometer, 10: heater, 11: first comparator circuit, 12: first potentiometer, 13: and an alarm circuit.
Detailed Description
The following description is of the preferred embodiments of the invention, and is not intended to limit the scope of the invention.
Example 1
The utility model provides a gynaecology and obstetrics is with baby's warm box circuit, as shown in fig. 1, including power supply unit 1, first amplifier circuit 2, filter circuit 3, second comparator circuit 4, first control circuit 5, temperature sensor 6, fourth potentiometre 7, third potentiometre 8, second potentiometre 9, heater 10, first comparator circuit 11 and alarm circuit 13, the output of first amplifier circuit 2 is connected with the input of filter circuit 3, the input of filter circuit 3 is connected with second potentiometre 9, the input of first amplifier circuit 2 is connected with temperature sensor 6, the output of filter circuit 3 is connected with the input of second comparator circuit 4, the output of second comparator circuit 4 is connected with the input of first comparator circuit 11, the output of first comparator circuit 11 is connected with the input of alarm circuit 13, the output of second comparator circuit 4 is connected with the input of first control circuit 5, first control circuit 5 is connected with the input of second comparator circuit 5, the output of first comparator circuit 5 is connected with temperature sensor 6, the output of second comparator circuit 7, the input of second comparator circuit 7 and first comparator circuit 11 is connected with the input of first comparator circuit 5, the second comparator circuit 7, the fourth potentiometre 5, the input of first comparator circuit 7, the fourth potentiometre 5.
After the infant warming box circuit for obstetrics and gynecology is electrified, the temperature sensor 6 can detect the temperature of the warming box and output a voltage signal, the voltage signal is input into the first amplifying circuit 2, the first amplifying circuit 2 amplifies the voltage signal, the first amplifying circuit 2 outputs the voltage signal, the voltage signal is input into the second comparator circuit 4 through the filter circuit 3, the filter circuit 3 can reduce alternating current components in pulsating direct current voltage, the direct current components are reserved, the output voltage ripple coefficient is reduced, the waveform becomes smoother, the second comparator circuit 4 amplifies the voltage signal, the voltage signal is input into the first control circuit 5, if the detected voltage is lower than the lowest voltage, the first control circuit 5 controls the heater 10 to work and heat the warming box, when the detected voltage is higher than the highest voltage, the first control circuit 5 controls the heater 10 to be closed, the warming box keeps proper temperature, the lowest voltage can be set through the third potentiometer 8, the highest voltage can be set through the fourth potentiometer 7, meanwhile, the second comparator circuit 4 outputs the voltage signal which is lower than the reference voltage 11 when the detected voltage is lower than the highest voltage, the first comparator circuit 11 can be compared with the reference voltage 13 when the detected voltage is higher than the reference voltage, and the alarm circuit 13 is not used for people to compare the detected. After the circuit of the infant incubator for obstetrics and gynecology is powered off, the temperature sensor 6 is closed.
Example 2
On the basis of embodiment 1, as shown in fig. 1, the power supply circuit further comprises a first potentiometer 12, the first potentiometer 12 is connected with the input end of the first amplifying circuit 2, and the power supply unit 1 supplies power to the first potentiometer 12.
One can set the reference voltage of the first comparator circuit 11 via the first potentiometer 12 in order to adapt to different infants.
Example 3
As shown in fig. 2, the filter circuit 3 includes a resistor R13 and a resistor R18, the resistor R13 is connected in series with the resistor R18, and the other end of the resistor R18 is grounded.
The second potentiometer 9 comprises a potentiometer VR3 and a resistor R9, the resistor R9 is connected with the potentiometer VR3 in series, and the other end of the potentiometer VR3 and the adjustable end of the potentiometer VR3 are connected with the series intermediate point of the resistor R13 and the resistor R18.
The first amplifying circuit 2 comprises a four operational amplifier LM324-U2, a triode Q1, a resistor R2, a resistor R3, a resistor R6, a resistor R7, a resistor R8, a resistor R10, a resistor R12, a resistor R18, a resistor R19, a resistor R20, a potentiometer VR5, a potentiometer VR6, a temperature sensor RT1, a capacitor C2 and a light emitting diode VD1, wherein the 4 pin of the four operational amplifier LM324-U2 is connected with +9V, the 11 pin of the four operational amplifier LM324-U2 is grounded, the 2 pin of the four operational amplifier LM324-U2 is connected with one end of the resistor R10, the 2 pin of the four operational amplifier LM324-U2 is connected with the resistor R8, the resistor R3, the resistor R2 and the capacitor C2 in series, the other end of the capacitor C2 is grounded, the other end of the resistor R9 is connected with the middle point of the resistor R8 and the resistor R3 in series, the four-operation amplifier LM324-U2 is connected with a series connection intermediate point of a resistor R3 and a resistor R1, the 6 feet of the four-operation amplifier LM324-U2 are connected with a capacitor C1 and an anode of a light emitting diode VD1 in series, a cathode of the light emitting diode VD1 is grounded, the resistor R19 is connected with a potentiometer VR5 in series, the other end of the resistor R19 is connected with +9V, the other end of the potentiometer VR5 is grounded, the 9 feet of the four-operation amplifier LM324-U2 are connected with an adjustable end of the potentiometer VR5, the resistor R20 is connected with a potentiometer VR6 in series, the other end of the resistor R20 is connected with +9V, the other end of the potentiometer VR6 is grounded, the 9 feet of the four-operation amplifier LM324-U2 are connected with a resistor R7 and a base of a triode Q1 in series, and an emitter of the triode Q1 is grounded.
The first potentiometer 12 includes a resistor R5 and a potentiometer VR2, one end of the potentiometer VR2 is grounded, the other end of the potentiometer VR2 is connected with one end of the resistor R5 at its adjustable end, the other end of the resistor R5 is connected with +9v, and the other end of the resistor R10 is connected with the adjustable end of the potentiometer VR 2.
The alarm circuit 13 comprises a triode Q2, a resistor R11, a resistor R15, a resistor R16, a resistor R17, a light emitting diode VD3 and a buzzer BZ1, wherein 8 pins of the four operational amplifiers LM324-U2 are connected in series with the resistor R17 and the anode of the light emitting diode VD3, the cathode of the light emitting diode VD3 is grounded, 8 pins of the four operational amplifiers LM324-U2 are connected in series with the resistor R15 and the base of the triode Q2, the emitter of the triode Q2 is grounded, the base of the triode Q2 is connected in series with the resistor R16 to be grounded, the collector of the triode Q2 is connected in series with the buzzer BZ1 and the resistor R11, and the other end of the resistor R11 is connected with +9V.
The first control circuit 5 comprises a time base integrated circuit NE555-U1, a time base integrated circuit NE555-U3, a capacitor C3, a resistor R14, a resistor R21, a resistor R23, a resistor R24, a resistor R25, a light emitting diode VD2, a light emitting diode VD4, a triode Q3, an electrolytic capacitor EC3, a diode D1 and a relay RL1, wherein the pin 2 of the time base integrated circuit NE555-U1 is connected with the collector of the triode Q1, the pin 1 of the time base integrated circuit NE555-U1 is grounded, the pin 4 and the pin 8 of the time base integrated circuit NE555-U1 are both connected with +9V, the pin 5 of the time base integrated circuit NE555-U1 is connected with the capacitor C3 in series, the pin 3 of the time base integrated circuit NE555-U1 is connected with the resistor R14 in series and the cathode of the light emitting diode VD2 in series, the anode of the light emitting diode 2 is connected with +9V, the pin 3 of the time base integrated circuit NE555-U1 is connected with the pin 1 of the time base integrated circuit NE555-U3, the 4 and 8 pins of the time base integrated circuit NE555-U3 are connected with +9V, the 5 pin serial capacitor C4 of the time base integrated circuit NE555-U3 is grounded, the resistor R21 is connected with the electrolytic capacitor EC3 in series, the other end of the electrolytic capacitor EC3 is grounded, the other end of the resistor R21 is connected with +9V, the 2 pin of the time base integrated circuit NE555-U3 is connected with the serial middle point of the resistor R21 and the electrolytic capacitor EC3, the 3 pin serial resistor R23 of the time base integrated circuit NE555-U3 is connected with the anode of the light emitting diode VD4, the cathode of the light emitting diode VD4 is grounded, the 3 pin serial resistor R24 of the time base integrated circuit NE555-U3 is connected with the base of the triode Q3, the base serial resistor R25 of the triode Q3 is grounded, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with +9V, the collector of the triode Q3 is connected with one end of a coil of the relay RL1, the other end of the coil of the relay RL1 is connected with +9V, the COM end of the relay RL1 is connected with +24V, and the NO end of the relay RL1 is connected with the heater 10.
The third potentiometer 8 comprises a potentiometer VR1, a resistor R4 and an electrolytic capacitor EC1, wherein the electrolytic capacitor EC1 is connected with the resistor R4 and the potentiometer VR1 in series, the other end of the potentiometer VR1 is connected with the adjustable end of the potentiometer VR1 by +9V, the other end of the electrolytic capacitor EC1 is grounded, and the time base integrated circuit NE555-U1 is connected with the series intermediate point of the resistor R4 and the electrolytic capacitor EC 1.
The fourth potentiometer 7 comprises a potentiometer VR4, a resistor R22 and an electrolytic capacitor E2, the electrolytic capacitor EC2 is connected with the resistor R22 and the potentiometer VR4 in series, the other end of the potentiometer VR4 is connected with the adjustable end of the potentiometer VR4 by +9V, the other end of the electrolytic capacitor EC2 is grounded, and the time base integrated circuit NE555-U3 is connected with the series intermediate point of the resistor R22 and the electrolytic capacitor EC 2.
After the infant warming box circuit for obstetrics and gynecology is electrified, the temperature sensor RT1 can detect the temperature of the warming box and output a voltage signal, the voltage signal is input into the four operational amplifiers LM324-U2, the four operational amplifiers LM324-U2 amplify the voltage signal, the resistor R13 and the resistor R18 can reduce alternating current components in pulsating direct current voltage, the direct current components are reserved, the output voltage ripple coefficient is reduced, the waveform becomes smoother, the amplified voltage signal is input into the time-base integrated circuit NE555-U1, if the detected voltage is lower than the lowest voltage, the time-base integrated circuit NE555-U3 outputs a high level, the light emitting diode VD4 is on, the triode Q3 is on, the relay RL1 is in suction mode, the heater 10 starts to work, the warming box is heated, when the detected voltage is higher than the highest voltage, the time-base integrated circuit NE555-U3 outputs a low level, the light emitting diode VD4 is off, the relay RL1 is off, the heater 10 can be off, the lowest voltage can be set through the voltage VR3, the voltage level of the time-base integrated circuit NE555-U3 can be set, the voltage is higher than the reference voltage of the four voltage is higher than the four voltage, the three-level is higher than the three-dimensional amplifier, the three-dimensional amplifier is higher than the four, the three-dimensional amplifier is higher than the highest, the three dimensional amplifier is higher than the four-dimensional amplifier 324, the four-dimensional amplifier is higher than the reference voltage, the three dimensional amplifier is higher than the four-dimensional amplifier, the three dimensional amplifier is 2, and the three dimensional amplifier is higher than the three dimensional amplifier, and the three dimensional amplifier is higher than the three dimensional, and the three dimensional circuit, and the three-dimensional circuit is high.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (3)
1. Gynaecology and obstetrics is with baby's warm case circuit, characterized by: the temperature sensor comprises a power supply unit (1), a first amplifying circuit (2), a filter circuit (3), a second comparator circuit (4), a first control circuit (5), a temperature sensor (6), a fourth potentiometer (7), a third potentiometer (8), a second potentiometer (9), a heater (10), a first comparator circuit (11) and an alarm circuit (13), wherein the output end of the first amplifying circuit (2) is connected with the input end of the filter circuit (3), the input end of the filter circuit (3) is connected with the second potentiometer (9), the input end of the first amplifying circuit (2) is connected with the input end of the temperature sensor (6), the output end of the filter circuit (3) is connected with the input end of the second comparator circuit (4), the output end of the second comparator circuit (4) is connected with the input end of the first comparator circuit (11), the output end of the first comparator circuit (11) is connected with the input end of the alarm circuit (13), the output end of the second comparator circuit (4) is connected with the input end of the first comparator circuit (5) and the input end of the third comparator circuit (4) is connected with the input end of the first comparator circuit (5), the power supply unit (1) supplies power to the first amplifying circuit (2), the filter circuit (3), the second comparator circuit (4), the first control circuit (5), the temperature sensor (6), the fourth potentiometer (7), the third potentiometer (8), the second potentiometer (9), the heater (10), the first comparator circuit (11) and the alarm circuit (13);
The power supply unit (1) is used for supplying power to the first potentiometer (12);
The filter circuit (3) comprises a resistor R13 and a resistor R18, wherein the resistor R13 is connected with the resistor R18 in series, and the other end of the resistor R18 is grounded;
The second potentiometer (9) comprises a potentiometer VR3 and a resistor R9, the resistor R9 is connected with the potentiometer VR3 in series, and the other end and the adjustable end of the potentiometer VR3 are connected with the series intermediate point of the resistor R13 and the resistor R18;
The first amplifying circuit (2) comprises a four-operation amplifier LM324-U2, a triode Q1, a resistor R2, a resistor R3, a resistor R6, a resistor R7, a resistor R8, a resistor R10, a resistor R12, a resistor R18, a resistor R19, a resistor R20, a potentiometer VR5, a potentiometer VR6, a temperature sensor RT1, a capacitor C2 and a light emitting diode VD1, wherein the 4 pin of the four-operation amplifier LM324-U2 is connected with +9V, the 11 pin of the four-operation amplifier LM324-U2 is grounded, the 2 pin of the four-operation amplifier LM324-U2 is connected with one end of the resistor R10, the 2 pin of the four-operation amplifier LM324-U2 is connected with the resistor R3, the resistor R1 is connected with the other end of the resistor VR 1, the other end of the four-operation amplifier VR 1 is connected with the resistor VR6, the other end of the four-3 is connected with the resistor VR 1, the other end of the resistor VR6 is connected with the other end of the resistor VR 1 is connected with the resistor R1, the other end of the resistor R1 is connected with the other end of the resistor R1, the other end of the resistor R1 is connected with the resistor R2 is connected with the other end of the resistor 3, the resistor R2 is connected with the resistor R2, the resistor R2 is connected with the resistor C2, the other end of the resistor 3, and the other end of resistor C2, and the other end of resistor 3, and the other end of resistor 2 and the resistor 2 and the resistor 3, the other end of the resistor 3 and the other end of the resistor 2 and the resistor 3;
The first potentiometer (12) comprises a resistor R5 and a potentiometer VR2, one end of the potentiometer VR2 is grounded, the other end of the potentiometer VR2 and the adjustable end of the potentiometer VR2 are connected with one end of the resistor R5, the other end of the resistor R5 is connected with +9V, and the other end of the resistor R10 is connected with the adjustable end of the potentiometer VR 2; the alarm circuit (13) comprises a triode Q2, a resistor R11, a resistor R15, a resistor R16, a resistor R17, a light emitting diode VD3 and a buzzer BZ1, wherein the 8 pins of the four operational amplifiers LM324-U2 are connected in series with the resistor R17 and the anode of the light emitting diode VD3, the cathode of the light emitting diode VD3 is grounded, the 8 pins of the four operational amplifiers LM324-U2 are connected in series with the resistor R15 and the base of the triode Q2, the emitter of the triode Q2 is grounded, the base of the triode Q2 is connected in series with the resistor R16 and the collector of the triode Q2 is connected in series with the buzzer BZ1 and the resistor R11, and the other end of the resistor R11 is connected with +9V;
The first control circuit (5) comprises a time base integrated circuit NE555-U1, a time base integrated circuit NE555-U3, a capacitor C3, a resistor R14, a resistor R21, a resistor R23, a resistor R24, a resistor R25, a light emitting diode VD2, a light emitting diode VD4, a triode Q3, an electrolytic capacitor EC3, a diode D1 and a relay RL1, wherein the 2 pin of the time base integrated circuit NE555-U1 is connected with the collector of the triode Q1, the 1 pin of the time base integrated circuit NE555-U1 is grounded, the 4 pin and the 8 pin of the time base integrated circuit NE555-U1 are both connected with +9V, the 5 pin series capacitor C3 of the time base integrated circuit NE555-U1 is grounded, the 3 pin of the time base integrated circuit NE555-U1 is connected with the resistor R14 in series with the cathode of the light emitting diode 2, the anode of the light emitting diode 2 is connected with +9V, the 3 pin of the time base integrated circuit NE555-U1 is connected with the 1 pin of the integrated circuit NE555-U3, the 4 and 8 pins of the time base integrated circuit NE555-U3 are connected with +9V, the 5 pin serial capacitor C4 of the time base integrated circuit NE555-U3 is grounded, the resistor R21 is connected with the electrolytic capacitor EC3 in series, the other end of the electrolytic capacitor EC3 is grounded, the other end of the resistor R21 is connected with +9V, the 2 pin of the time base integrated circuit NE555-U3 is connected with the serial middle point of the resistor R21 and the electrolytic capacitor EC3, the 3 pin serial resistor R23 of the time base integrated circuit NE555-U3 is connected with the anode of the light emitting diode VD4, the cathode of the light emitting diode VD4 is grounded, the 3 pin serial resistor R24 of the time base integrated circuit NE555-U3 is connected with the base of the triode Q3, the base serial resistor R25 of the triode Q3 is grounded, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected with the anode of the diode D1, the cathode of the diode D1 is connected with +9V, the collector of the triode Q3 is connected with one end of a coil of the relay RL1, the other end of the coil of the relay RL1 is connected with +9V, the COM end of the relay RL1 is connected with +24V, and the NO end of the relay RL1 is connected with the heater (10).
2. A gynecological infant incubator circuit according to claim 1, wherein: the third potentiometer (8) comprises a potentiometer VR1, a resistor R4 and an electrolytic capacitor EC1, wherein the electrolytic capacitor EC1 is connected with the resistor R4 and the potentiometer VR1 in series, the other end of the potentiometer VR1 is connected with an adjustable end of the potentiometer VR1 by +9V, the other end of the electrolytic capacitor EC1 is grounded, and the time-base integrated circuit NE555-U1 is connected with a series intermediate point of the resistor R4 and the electrolytic capacitor EC 1.
3. A gynecological infant incubator circuit according to claim 1, wherein: the fourth potentiometer (7) comprises a potentiometer VR4, a resistor R22 and an electrolytic capacitor E2, the electrolytic capacitor EC2 is connected with the resistor R22 and the potentiometer VR4 in series, the other end of the potentiometer VR4 is connected with the adjustable end of the potentiometer VR4 by +9V, the other end of the electrolytic capacitor EC2 is grounded, and the time-base integrated circuit NE555-U3 is connected with the series intermediate point of the resistor R22 and the electrolytic capacitor EC 2.
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| CN110677953A (en) * | 2019-10-18 | 2020-01-10 | 谭晓萱 | Special arm lamp control circuit for gynecologist and obstetrician |
| CN112596452A (en) * | 2021-01-16 | 2021-04-02 | 方泽众 | Baby cradle control circuit for obstetrics and gynecology department |
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| CN112731986A (en) * | 2021-01-08 | 2021-04-30 | 肖峰 | Medical equipment temperature abnormity alarm circuit |
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| CN110404179A (en) * | 2019-08-14 | 2019-11-05 | 刘志伟 | A kind of temperature control neurosurgery baking power control circuit |
| CN110677953A (en) * | 2019-10-18 | 2020-01-10 | 谭晓萱 | Special arm lamp control circuit for gynecologist and obstetrician |
| CN112611476A (en) * | 2021-01-04 | 2021-04-06 | 查红梅 | Temperature measurement circuit for medical equipment |
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