CN113271071A - Gynaecology and obstetrics is with baby's incubator circuit - Google Patents
Gynaecology and obstetrics is with baby's incubator circuit Download PDFInfo
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- CN113271071A CN113271071A CN202110497821.0A CN202110497821A CN113271071A CN 113271071 A CN113271071 A CN 113271071A CN 202110497821 A CN202110497821 A CN 202110497821A CN 113271071 A CN113271071 A CN 113271071A
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- 239000003990 capacitor Substances 0.000 claims description 60
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 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
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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
- 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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Abstract
The invention relates to the field of obstetrics and gynecology, in particular to a baby incubator circuit for obstetrics and gynecology. The technical problems of the invention are as follows: the utility model provides a can remind too high baby's incubator circuit for gynaecology and obstetrics of temperature of people's incubator. The technical implementation scheme of the invention is as follows: a baby incubator circuit for obstetrics and gynecology department comprises a power supply unit, a first amplifying circuit, a filter circuit and the like; and the output end of the first amplifying circuit is connected with the input end of the filter circuit. The temperature sensor can detect the temperature of the warm box, the alarm circuit can be controlled to give an alarm when the temperature of the warm box is too high, people can be told 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 as to be suitable for different infants.
Description
Technical Field
The invention relates to the field of obstetrics and gynecology, in particular to a baby incubator circuit for obstetrics and gynecology.
Background
In hospitals, some infants just born are not high enough in temperature, and need to be placed in a warm box for keeping warm, so that an environment similar to a mother body is provided for the infants just born, and the infants just born can grow better.
In the prior art, for example, application number is CN 201810319306.1's patent, discloses a neonate warms up 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.
Although the device is convenient to operate, simple in structure and convenient to realize, people cannot be reminded when the temperature of the warm box is too high, so that people cannot deal with the warm box in time.
Disclosure of Invention
In order to overcome the defects that the existing warm box has no high-temperature reminding function, and cannot remind people when the temperature of the warm box is too high, so that people cannot deal with the warm box in time, the invention has the technical problems that: the utility model provides a can remind too high baby's incubator circuit for gynaecology and obstetrics of temperature of people's incubator.
The technical implementation scheme of the invention is as follows: an infant incubator circuit for obstetrics and gynecology department comprises a power supply unit, a first amplifying circuit, a filter circuit, a second comparator circuit, a first control circuit, a temperature sensor, a fourth potentiometer, a third potentiometer, a second potentiometer, a heater, a first comparator circuit and an alarm circuit, wherein the output end of the first amplifying circuit is connected with the input end of the filter circuit, the input end of the filter circuit is connected with the second potentiometer, the input end of the first amplifying circuit is connected with the temperature sensor, the output end of the filter circuit is connected with the input end of the second comparator circuit, the output end of the second comparator circuit is connected with the input end of the first comparator circuit, the output end of the first comparator circuit is connected with the input end of the alarm circuit, the output end of the second comparator circuit is connected with the input end of the first control circuit, the output end of the first control circuit is connected with the heater, the fourth potentiometer and the third potentiometer are connected with the input end of the first control circuit, and the power supply unit supplies power to the first amplifying circuit, the filter circuit, the second comparator circuit, the first control circuit, the temperature sensor, the fourth potentiometer, the third potentiometer, the second potentiometer, the heater, the first comparator circuit and the alarm circuit.
Optionally, the power supply device further comprises a first potentiometer, the first potentiometer is connected with an input end of the first amplifying circuit, and the power supply unit supplies power to the first potentiometer.
Optionally, the filter circuit 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.
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 of the potentiometer VR3 and the adjustable end thereof are both connected with the series middle point of the resistor R13 and the resistor R18.
Optionally, the first amplifying circuit comprises four operational amplifiers LM324-U2, a transistor Q1, a resistor R1, 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 C1, a capacitor C2, and a light emitting diode VD1, wherein 4 pins of the four operational amplifiers LM324-U2 are connected with +9V, 11 pins of the four operational amplifiers LM324-U2 are grounded, 2 pins of the four operational amplifiers LM324-U2 are connected with one end of the resistor R10, 2 pins of the four operational amplifiers LM324-U2 are connected with a resistor R8, a resistor R3, a resistor R1, a resistor R2, and a capacitor C2 in series, the other end of the capacitor C2 is connected with the resistor R2 and a middle resistor R2 and a resistor R2 connected with the resistor R2 in series, the 6-pin series capacitor C1 of the four-operational amplifier LM324-U2 and the anode of the light-emitting diode VD1, the cathode of the light-emitting diode VD1 is grounded, the resistor R19 is connected with the 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-pin of the four-operational amplifier LM324-U2 is connected with the adjustable end of the potentiometer VR5, the resistor R20 is connected with the 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-pin of the four-operational amplifier LM324-U2 is connected with the adjustable end of the potentiometer VR6, the 14-pin of the four-operational amplifier LM324-U2 is connected with the resistor R7 and the base of the triode Q1 in series, and the emitter of the triode Q1 is grounded.
Optionally, the first potentiometer comprises a resistor R5 and a potentiometer VR2, one end of the potentiometer VR2 is grounded, the other end and the adjustable end of the potentiometer VR2 are both connected with one end of a 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 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, the 8-pin series resistor R17 of the four-operational amplifier LM324-U2 and the anode of the light emitting diode VD3 are connected in series, the cathode of the light emitting diode VD3 is grounded, the 8-pin series resistor R15 of the four-operational amplifier LM324-U2 and the base of the triode Q2 are connected in series, the emitter of the triode Q2 is grounded, the base series resistor R16 of the triode Q2 is 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.
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 transistor 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 transistor 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 of the time base integrated circuit NE-U1 is connected with the capacitor C3 in series, the 3 pin of the time base integrated circuit NE555-U1 is connected with the resistor R14 and the cathode of the light emitting diode VD2 in series, the anode of the light emitting diode VD2 is connected with +9V, the time base integrated circuit NE555-U3 and the time base integrated circuit NE 1 are connected with the pin of the time base integrated circuit NE555-U1, the 4 feet and the 8 feet of the time base integrated circuit NE555-U3 are connected with +9V, the 5 feet series 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 feet of the time base integrated circuit NE555-U3 is connected with the series middle point of the resistor R21 and the electrolytic capacitor EC3, the 3 feet series resistor R23 of the time base integrated circuit NE555-U3 and the anode of a light emitting diode VD4, the cathode of the light emitting diode VD4 is grounded, the 3 feet series resistor R24 of the time base integrated circuit NE555-U3 and the base of a transistor Q3, the base series resistor R25 of the transistor Q3 is grounded, the emitter of the transistor Q3 is grounded, the collector of the transistor Q3 is connected with the anode of a diode D1, and 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 a 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.
Optionally, the third potentiometer comprises a potentiometer VR1, a resistor R4 and an electrolytic capacitor EC1, the electrolytic capacitor EC1 is connected in series with the resistor R4 and the potentiometer VR1, the other end of the potentiometer VR1 and the adjustable end of the potentiometer are both connected with +9V, the other end of the electrolytic capacitor EC1 is connected with ground, and the time-base integrated circuit NE555-U1 is connected with the middle point of the series connection of the resistor R4 and the electrolytic capacitor EC 1.
Optionally, the fourth potentiometer comprises 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 and the adjustable end of the potentiometer are both connected with +9V, the other end of the electrolytic capacitor EC2 is connected with ground, and the time-base integrated circuit NE555-U3 is connected with the middle point of the series connection of the resistor R22 and the electrolytic capacitor EC 2.
The invention has the beneficial effects that:
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 to tell people that the temperature of the warm box is too high.
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 block diagram of the circuit of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
The meaning of the reference symbols in the figures: 1: power supply unit, 2: first amplification circuit, 3: 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 only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Example 1
An infant incubator circuit for obstetrics and gynecology department, as shown in figure 1, 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 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 of second comparator circuit 4 is connected with first control circuit 5's input, first control circuit 5's output and heater 10 are connected, fourth potentiometre 7 and third potentiometre 8 are all connected with first control circuit 5's input, power supply unit 1 supplies power for 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 warning circuit 13.
After the baby incubator circuit for obstetrics and gynecology department is electrified, the temperature sensor 6 can detect the temperature of the incubator 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 the alternating current component in the pulsating direct current voltage and keep the direct current component thereof, so that the ripple factor of the output voltage 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 to heat the incubator, when the detected voltage is higher than the highest voltage, the first control circuit 5 controls the heater 10 to be closed, make the warm case keep suitable temperature, can set up minimum voltage through third potentiometre 8, can set up maximum voltage through fourth potentiometre 7, and simultaneously, the voltage signal of second comparator circuit 4 output can be inputed in first comparator circuit 11, first comparator circuit 11 can compare detection voltage and reference voltage, when detection voltage is less than reference voltage, warning circuit 13 is out of work, when detection voltage is higher than reference voltage, warning circuit 13 begins to report to the police, tell people the temperature of warm case too high. After the power of the circuit of the infant incubator for obstetrics and gynecology department is cut off, the temperature sensor 6 is closed.
Example 2
On the basis of embodiment 1, as shown in fig. 1, the power supply device further includes a first potentiometer 12, the first potentiometer 12 is connected to an 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 by the first potentiometer 12 in order to be suitable for different infants.
Example 3
As shown in fig. 2, the filter circuit 3 comprises 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 and the adjustable end of the potentiometer VR3 are connected with the series middle point of the resistor R13 and the resistor R18.
The first amplifying circuit 2 comprises four operational amplifiers LM324-U2, a triode Q1, a resistor R1, 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 C1, a capacitor C2 and a light emitting diode VD1, wherein 4 feet of the four operational amplifiers LM324-U2 are connected with +9V, 11 feet of the four operational amplifiers LM324-U2 are grounded, 2 feet of the four operational amplifiers LM324-U2 are connected with one end of a resistor R10, 2 feet of the four operational amplifiers LM324-U2 are connected with a resistor R8, a resistor R3, a resistor R1, a resistor R2 and a capacitor C2 in series, the other end of the capacitor C2 is grounded, and the other end of the resistor R2, the resistor R2 and the middle resistor LM 2, the resistor R2, the middle point of the resistor R2, the 6-pin series capacitor C1 of the four-operational amplifier LM324-U2 and the anode of the light-emitting diode VD1, the cathode of the light-emitting diode VD1 is grounded, the resistor R19 is connected with the 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-pin of the four-operational amplifier LM324-U2 is connected with the adjustable end of the potentiometer VR5, the resistor R20 is connected with the 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-pin of the four-operational amplifier LM324-U2 is connected with the adjustable end of the potentiometer VR6, the 14-pin of the four-operational amplifier LM324-U2 is connected with the resistor R7 and the base of the triode Q1 in series, and the emitter of the triode Q1 is grounded.
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 are connected with one end of a 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, an 8-pin series resistor R17 of the four-operational amplifier LM324-U2 and an anode of a light-emitting diode VD3 are connected in series, a cathode of the light-emitting diode VD3 is grounded, an 8-pin series resistor R15 of the four-operational amplifier LM324-U2 and a base of a triode Q2 are connected in series, an emitter of the triode Q2 is grounded, a base series resistor R16 of the triode Q2 is grounded, a 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 a pin 2 of the time base integrated circuit NE555-U1 is connected with a collector of the triode Q1, a pin 1 of the time base integrated circuit NE555-U1 is grounded, pins 4 and 8 of the time base integrated circuit NE555-U1 are both connected with +9V, a pin 5 of the time base integrated circuit NE555-U1 is connected with a capacitor C3 in series, a pin 3 of the time base integrated circuit NE555-U1 is connected with a resistor R14 and a cathode of a light emitting diode VD2 in series, an anode of the light emitting diode VD2 is connected with +9V, and a pin 3 of the time base integrated circuit NE555-U1 and a pin 1 of the time base integrated circuit NE 3, the 4 feet and the 8 feet of the time base integrated circuit NE555-U3 are connected with +9V, the 5 feet series 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 feet of the time base integrated circuit NE555-U3 is connected with the series middle point of the resistor R21 and the electrolytic capacitor EC3, the 3 feet series resistor R23 of the time base integrated circuit NE555-U3 and the anode of a light emitting diode VD4, the cathode of the light emitting diode VD4 is grounded, the 3 feet series resistor R24 of the time base integrated circuit NE555-U3 and the base of a transistor Q3, the base series resistor R25 of the transistor Q3 is grounded, the emitter of the transistor Q3 is grounded, the collector of the transistor Q3 is connected with the anode of a diode D1, and 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 a 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, the electrolytic capacitor EC1 is connected with the resistor R4 and the potentiometer VR1 in series, the other end of the potentiometer VR1 and the adjustable end of the potentiometer are connected with +9V, the other end of the electrolytic capacitor EC1 is grounded, and the time-base integrated circuit NE555-U1 is connected with the middle point of the series connection 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 and the adjustable end of the potentiometer are connected with +9V, the other end of the electrolytic capacitor EC2 is grounded, and the time-base integrated circuit NE555-U3 is connected with the middle point of the series connection of the resistor R22 and the electrolytic capacitor EC 2.
After the baby incubator circuit for obstetrics and gynecology department is powered on, the temperature sensor RT1 can detect the temperature of the incubator 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 the alternating current component in the pulsating direct current voltage and retain the direct current component thereof, the ripple coefficient of the output voltage 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 high level, the light emitting diode VD4 is lightened, the triode Q3 is conducted, the relay RL1 is attracted, the heater 10 starts to work to heat the incubator, when the detected voltage is higher than the highest voltage, the time base integrated circuit NE555-U3 outputs low level, the light-emitting diode VD4 is extinguished, the triode Q3 is cut off, the relay RL1 is disconnected, the heater 10 is closed, the potentiometer VR3 can be used for setting the lowest voltage, the potentiometer VR4 can be used for setting the highest voltage, the potentiometer VR2 can be used for setting the reference voltage of the four operational amplifiers LM324-U2, when the detected voltage is higher than the reference voltage, the four operational amplifiers LM324-U2 output high level, the light-emitting diode VD3 is lightened, the triode Q2 is conducted, the buzzer BZ1 sounds to tell that the temperature of the warm box is too high, when the detected voltage is lower than the reference voltage, the four operational amplifiers LM324-U2 output low level, the light-emitting diode VD3 is extinguished, the triode Q2 is cut off, and the buzzer BZ1 does not sound.
Finally, it should be noted that: 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 or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a gynaecology and obstetrics is with baby incubator circuit, characterized by: 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 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 of first comparator circuit (11) is connected with the input of warning circuit (13), the output of second comparator circuit (4) is connected with the input of first control circuit (5), the output and heater (10) of first control circuit (5) are connected, fourth potentiometre (7) and third potentiometre (8) all are connected with the input of first control circuit (5), power supply unit (1) is 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 warning circuit (13) power supply.
2. The infant incubator circuit for obstetrics and gynecology department according to claim 1, wherein: the power supply device is characterized by further comprising 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).
3. The infant incubator circuit for obstetrics and gynecology department according to claim 2, wherein: the filter circuit (3) comprises 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.
4. The infant incubator circuit for obstetrics and gynecology department according to claim 3, wherein: 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 middle point of the resistor R13 and the resistor R18.
5. The infant incubator circuit for obstetrics and gynecology department according to claim 4, wherein: the first amplifying circuit (2) comprises four operational amplifiers LM324-U2, a triode Q1, a resistor R1, 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 C1, a capacitor C2 and a light emitting diode VD1, wherein 4 feet of the four operational amplifiers LM324-U2 are connected with +9V, 11 feet of the four operational amplifiers LM324-U2 are grounded, 2 feet of the four operational amplifiers LM324-U2 are connected with one end of the resistor R10, 2 feet of the four operational amplifiers LM324-U2 are connected with a resistor R8, a resistor R3, a resistor R1, a resistor R2 and a capacitor C2 in series, the other end of the capacitor C2 is grounded, and a resistor R2 and a middle resistor R2 are connected with the resistor R2 and the resistor R2 in series, the 6-pin series capacitor C1 of the four-operational amplifier LM324-U2 and the anode of the light-emitting diode VD1, the cathode of the light-emitting diode VD1 is grounded, the resistor R19 is connected with the 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-pin of the four-operational amplifier LM324-U2 is connected with the adjustable end of the potentiometer VR5, the resistor R20 is connected with the 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-pin of the four-operational amplifier LM324-U2 is connected with the adjustable end of the potentiometer VR6, the 14-pin of the four-operational amplifier LM324-U2 is connected with the resistor R7 and the base of the triode Q1 in series, and the emitter of the triode Q1 is grounded.
6. The infant incubator circuit for obstetrics and gynecology department according to claim 5, wherein: 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 are connected with one end of a 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.
7. The infant incubator circuit for obstetrics and gynecology department according to claim 6, wherein: 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, an 8-pin series resistor R17 of the four operational amplifier LM324-U2 and an anode of the light emitting diode VD3 are grounded, a cathode of the light emitting diode VD3 is grounded, an 8-pin series resistor R15 of the four operational amplifier LM324-U2 and a base of the triode Q2 are grounded, an emitter of the triode Q2 is grounded, a base series resistor R16 of the triode Q2 is grounded, a collector of the triode Q2 is connected with the buzzer BZ1 and the resistor 539R 11 in series, and the other end of the resistor R11 is connected with + 9V.
8. The infant incubator circuit for obstetrics and gynecology department according to claim 7, wherein: 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 a pin 2 of the time base integrated circuit NE555-U1 is connected with a collector of a triode Q1, a pin 1 of the time base integrated circuit NE555-U1 is grounded, pins 4 and 8 of the time base integrated circuit NE555-U1 are connected with +9V, a pin 5 of the time base integrated circuit NE-U1 is connected with a capacitor C3 in series, a pin 3 of the time base integrated circuit NE555-U1 is connected with a resistor R14 and a cathode of a light emitting diode VD2, an anode of the light emitting diode VD2 is connected with the pin 555 +9V, and a pin 3 of the time base integrated circuit NE555-U1 is connected with the time base integrated circuit NE 3, the 4 feet and the 8 feet of the time base integrated circuit NE555-U3 are connected with +9V, the 5 feet series 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 feet of the time base integrated circuit NE555-U3 is connected with the series middle point of the resistor R21 and the electrolytic capacitor EC3, the 3 feet series resistor R23 of the time base integrated circuit NE555-U3 and the anode of a light emitting diode VD4, the cathode of the light emitting diode VD4 is grounded, the 3 feet series resistor R24 of the time base integrated circuit NE555-U3 and the base of a transistor Q3, the base series resistor R25 of the transistor Q3 is grounded, the emitter of the transistor Q3 is grounded, the collector of the transistor Q3 is connected with the anode of a diode D1, and 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 a 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 (10).
9. The infant incubator circuit for obstetrics and gynecology department according to claim 1, wherein: the third potentiometer (8) comprises a potentiometer VR1, a resistor R4 and an electrolytic capacitor EC1, the electrolytic capacitor EC1 is connected with the resistor R4 and the potentiometer VR1 in series, the other end of the potentiometer VR1 and the adjustable end of the potentiometer are connected with +9V, the other end of the electrolytic capacitor EC1 is grounded, and the time-base integrated circuit NE555-U1 is connected with the middle point of the series connection of the resistor R4 and the electrolytic capacitor EC 1.
10. The infant incubator circuit for obstetrics and gynecology department 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 and the adjustable end of the potentiometer are connected with +9V, the other end of the electrolytic capacitor EC2 is grounded, and the time-base integrated circuit NE555-U3 is connected with the middle point of the series connection of the resistor R22 and the electrolytic capacitor EC 2.
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| CN202110497821.0A CN113271071B (en) | 2021-05-08 | 2021-05-08 | Infant incubator circuit for obstetrics and gynecology department |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE202022102435U1 (en) | 2022-05-04 | 2022-05-11 | Biswaranjan Acharya | Low cost and image processing based baby incubator with SMS alert by intelligent circuit |
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| CN112596452A (en) * | 2021-01-16 | 2021-04-02 | 方泽众 | Baby cradle control circuit for obstetrics and gynecology department |
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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 |
| CN112731986A (en) * | 2021-01-08 | 2021-04-30 | 肖峰 | Medical equipment temperature abnormity alarm circuit |
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