CN110710827A - Control circuit of baby crib for obstetrics and gynecology department - Google Patents
Control circuit of baby crib for obstetrics and gynecology department Download PDFInfo
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- CN110710827A CN110710827A CN201910993271.4A CN201910993271A CN110710827A CN 110710827 A CN110710827 A CN 110710827A CN 201910993271 A CN201910993271 A CN 201910993271A CN 110710827 A CN110710827 A CN 110710827A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D9/00—Cradles ; Bassinets
- A47D9/02—Cradles ; Bassinets with rocking mechanisms
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
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Abstract
The invention relates to the field of medical instruments, in particular to a baby crib control circuit for obstetrics and gynecology department. The invention aims to provide a baby crib control circuit for obstetrics and gynecology department, which can replace manual operation and reduce the physical burden of a parturient. The technical implementation scheme of the invention is as follows: a control circuit of a baby crib in obstetrics and gynecology department comprises a charger, a storage battery, a comparator circuit and the like; the output end of the comparator circuit is connected with the input end of the motor control circuit, the output end of the motor control circuit is connected with the direct current motor, the output end of the speed-regulating potentiometer is connected with the input end of the comparator circuit, and the output end of the reference voltage circuit is connected with the input end of the comparator circuit. The baby crib is driven by the direct current motor to swing, so that a baby can sleep, manual operation can be replaced, and the physical burden of a lying-in woman can be relieved.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a baby crib control circuit for obstetrics and gynecology department.
Background
The infant refers to a young child of 0-3 years old, and the infant have great connection, so that many children's monographs, medical monographs, early education of the children and the like can combine the children, so that the infant is convenient to understand, and the infant is not developed and sound in all aspects due to the fact that the infant is young, so that a lying-in woman needs to shake the crib and put the infant to sleep, and the lying-in woman is weak and does not have extra strength to shake the crib due to the fact that the lying-in woman is just delivered. In order to solve the above problems, it is necessary to provide a baby crib control circuit for obstetrics and gynecology department, which can reduce the burden of the body of the parturient instead of manual operation.
Disclosure of Invention
In order to overcome the defects that a parturient has a weak body and does not have excessive strength to shake the crib during the delivery, the invention aims to provide a control circuit of the crib in the obstetrics and gynecology department, which can replace manual operation and reduce the physical burden of the parturient.
The technical implementation scheme of the invention is as follows: the utility model provides a baby crib control circuit of gynaecology and obstetrics, including charger, battery, comparator circuit, motor control circuit, DC motor, speed governing potentiometre, protection circuit and reference voltage circuit, the output of comparator circuit is connected with motor control circuit's input, motor control circuit's output is connected with DC motor, the output of speed governing potentiometre is connected with comparator circuit's input, reference voltage circuit's output is connected with comparator circuit's input, protection circuit's output is connected with motor control circuit's input, the charger is connected with the battery, the battery is comparator circuit, motor control circuit, DC motor, speed governing potentiometre, protection circuit and reference voltage circuit power supply.
As an improvement of the scheme, the intelligent alarm device further comprises a first switch and an alarm circuit, wherein the first switch is connected with the input end of the alarm circuit, and the storage battery supplies power to the first switch and the alarm circuit.
As an improvement of the above scheme, the power supply further comprises a second switch and a speed switching circuit, wherein the second switch and the speed switching circuit are both connected with the input end of the comparator circuit, and the storage battery supplies power to the second switch and the speed switching circuit.
As an improvement of the above scheme, the motor control circuit comprises four operational amplifiers LM324, resistors R9 to R12, resistors R14 to R15, a resistor R17, a diode D2, a diode D4, a potentiometer VR1, a capacitor C3, transistors Q3 to Q4, an electrolytic capacitor EC3 and an electrolytic capacitor EC5, wherein a pin 1 of the four operational amplifier LM324 is connected to a cathode of the diode D4, an anode of the diode D4 is connected to one end of a resistor R11, the other end of the resistor R11 is connected to an output end of the potentiometer VR1, one end of the potentiometer VR1 is connected to +24V, the other end of the potentiometer 1 is grounded, a pin 1 of the four operational amplifier LM324 is connected to one end of a resistor R17, the other end of the resistor R17 is connected to a pin 2 of the four operational amplifier LM324, a pin 6 of the four operational amplifier LM324 is connected to a middle point of a series connection of the diode D4 and the resistor R11, and a pin 4 of the four operational amplifier LM324 is connected to +24V, a pin 5 of the quad operational amplifier LM324 is connected to one end of a capacitor C3, the other end of the capacitor C3 is connected to a pin 7 of the quad operational amplifier LM324, a pin 5 of the quad operational amplifier LM324 is connected to one end of a resistor R15, the other end of the resistor R15 is connected to one end of a resistor R14, a series intermediate point of the resistor R14 and the resistor R15 is connected to the positive electrode of an electrolytic capacitor EC5, the other end of the resistor R14 is connected to the collector of a transistor Q4, the emitter of the transistor Q4 is connected to +24V, the negative electrode of the electrolytic capacitor EC5 is grounded, a pin 7 of the quad operational amplifier LM324 is connected to the base of a transistor Q3, the collector of the transistor Q3 is grounded, the emitter of the transistor Q3 is connected to one end of a resistor R9, the other end of the resistor R9 is connected to the base of a transistor Q4, the emitter of the transistor Q3 is connected to the positive electrode of the electrolytic capacitor EC, the negative electrode of the electrolytic capacitor EC3 is connected with one end of a resistor R10, one end of the resistor R10 is connected with the base electrode of a triode Q4, the other end of the resistor R10 is connected with +24V, the 11 pin of the four-operational amplifier LM324 is grounded, and the collector of the triode Q4 is connected with a direct current motor.
As an improvement of the above scheme, the alarm circuit comprises a triode Q1, resistors R1-R5, a capacitor C1, a tact switch SW1 and a buzzer BZ1, wherein the 12 pin of the four operational amplifier LM324 is connected with one end of the capacitor C1, the other end of the capacitor C1 is grounded, the 13 pin of the four operational amplifier LM324 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with the 14 pin of the four operational amplifier LM324, one end of the resistor R5 is connected with +24V, the other end of the resistor R5 is connected with one end of a resistor R4, the other end of the resistor R4 is grounded, the 13 pin of the four operational amplifier LM324 is connected with the middle point of the series connection of the resistor R4 and the resistor R5, the 14 pin of the four operational amplifier LM324 is connected with the capacitor C1 through a resistor R3, the 14 pin of the four operational amplifier LM324 is connected with the base of the triode Q1, the collector of the Q1 is connected with +24V, the emitting electrode of the triode Q1 is connected with one end of a buzzer BZ1, the other end of the buzzer BZ1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of a touch switch SW1, and the other end of the touch switch SW1 is grounded.
As an improvement of the above solution, the speed switching circuit includes a transistor Q2, a resistor R6-R8, an electrolytic capacitor EC2, a diode D1, a tact switch SW2 and a relay RL1, the pin 6 of the four operational amplifier LM324 is connected with the positive electrode of the electrolytic capacitor EC2, the negative electrode of the electrolytic capacitor EC2 is grounded, the pin 6 of the four operational amplifier LM324 is connected with one end of the tact switch SW2, the other end of the tact switch SW2 is grounded, one end of the tact switch SW2 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with the pin 8 of the four operational amplifier LM324, the pin 10 of the four operational amplifier LM324 is connected with one end of the resistor R8, the pin 8 of the four operational amplifier LM324 is connected with the base of a transistor Q2, the collector of the transistor Q2 is connected with +24V, one end of the resistor R7 is grounded, the other end of the resistor R7 is connected with one end of the resistor R6, the other end of the resistor R6 is connected with +24V, the pin 9 of the four-operational amplifier LM324 is connected with the series middle point of the resistor R7 and the resistor R6, the emitter of the triode Q2 is connected with one end of a relay RL1, the other end of the relay RL1 is grounded, two ends of the relay RL1 are connected with a diode D1 in parallel, the NO end of the relay RL1 is connected with +24V, and the COM end of the relay RL1 is connected with the collector of the triode Q4.
As an improvement of the above scheme, the protection circuit comprises a resistor R13, a diode D3 and an electrolytic capacitor EC4, wherein the pin 2 of the four-operational amplifier LM324 is connected with one end of the resistor R13, the other end of the resistor R13 is connected with the cathode of the diode D3, the series middle point of the resistor R13 and the diode D3 is connected with the anode of the electrolytic capacitor EC4, the cathode of the electrolytic capacitor EC4 is grounded, and the anode of the diode D3 is connected with the dc motor.
As an improvement of the above solution, the reference voltage circuit includes a resistor R16, a resistor R18, a resistor R19, and an electrolytic capacitor EC6, wherein the pin 2 of the four operational amplifier LM324 is connected to one end of the resistor R16, the other end of the resistor R16 is grounded, the pin 2 of the four operational amplifier LM324 is connected to the positive electrode of the electrolytic capacitor EC6, the negative electrode of the electrolytic capacitor EC6 is grounded, one end of the resistor R18 is connected to +24V, the other end of the resistor R18 is connected to one end of the resistor R19, the other end of the resistor R19 is grounded, and the pin 3 of the four operational amplifier LM324 is connected to a middle point of the series connection of the resistor R18 and the resistor R19.
The beneficial effects are that:
1. the direct current motor drives the baby crib to swing and care the baby to sleep, so that manual operation can be replaced, and the body burden of a lying-in woman can be relieved.
2. The alarm circuit can give an alarm to tell the family members of the lying-in woman that the baby is crying and screaming and needs to be treated in time.
3. The direct current motor can be controlled to stop working through the speed switching circuit, and the baby is prevented from being waken up.
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.
Number designation in the figures: the device comprises a charger 1, a storage battery 2, a comparator circuit 3, a motor control circuit 4, a direct current motor 5, a speed regulation potentiometer 6, a first switch 7, an alarm circuit 8, a second switch 9, a speed switching circuit 10, a protection circuit 11 and a reference voltage circuit 12.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
Example 1
A control circuit of a baby crib in obstetrics and gynecology department is shown in figure 1 and comprises a charger 1, a storage battery 2, a comparator circuit 3, a motor control circuit 4, a direct current motor 5, a speed-regulating potentiometer 6, a protection circuit 11 and a reference voltage circuit 12, the output end of the comparator circuit 3 is connected with the input end of the motor control circuit 4, the output end of the motor control circuit 4 is connected with the direct current motor 5, the output end of the speed-regulating potentiometer 6 is connected with the input end of the comparator circuit 3, the output end of the reference voltage circuit 12 is connected with the input end of the comparator circuit 3, the output end of the protection circuit 11 is connected with the input end of the motor control circuit 4, the charger 1 is connected with the storage battery 2, the storage battery 2 supplies power for the comparator circuit 3, the motor control circuit 4, the direct current motor 5, the speed regulation potentiometer 6, the protection circuit 11 and the reference voltage circuit 12.
After gynaecology and obstetrics's crib control circuit was powered on, the nurse adjusts DC motor 5's rotational speed through speed governing potentiometre 6, battery 2 is comparator circuit 3, motor control circuit 4 and DC motor 5 power supply, comparator circuit 3 passes through motor control circuit 4 drive DC motor 5 work, DC motor 5 drives the crib and sways, the baby of the jeer sleeps, so, can replace manual operation, thereby can alleviate lying-in woman's health burden, nurse's accessible charger 1 charges for battery 2, reference voltage circuit 12 provides reference voltage, protection circuit 11 can prevent that battery 2 from putting excessively.
Example 2
The utility model provides a baby crib control circuit of gynaecology and obstetrics, as shown in figure 1, still includes first switch 7 and warning circuit 8, first switch 7 and warning circuit 8's input are connected, battery 2 is first switch 7 and the power supply of warning circuit 8.
When the baby cries, the lying-in woman can press the first switch 7, the alarm circuit 8 gives an alarm to tell the family members of the lying-in woman that the baby is crying and screaming and needs to be treated in time. The lying-in woman presses the first switch 7 again, and the alarm circuit 8 stops giving an alarm.
The device also comprises a second switch 9 and a speed switching circuit 10, wherein the second switch 9 and the speed switching circuit 10 are both connected with the input end of the comparator circuit 3, and the storage battery 2 supplies power to the second switch 9 and the speed switching circuit 10.
After the baby falls asleep, the parturient can press the second switch 9, and the direct current motor 5 is controlled by the speed switching circuit 10 to stop working, so that the baby is prevented from being waken up.
Example 3
A control circuit of a baby crib in obstetrics and gynecology department is disclosed, as shown in figure 2, the motor control circuit 4 comprises a four operational amplifier LM324, resistors R9-R12, resistors R14-R15, a resistor R17, a diode D2, a diode D4, a potentiometer VR1, a capacitor C3, a triode Q3-Q4, an electrolytic capacitor EC3 and an electrolytic capacitor EC5, wherein a pin 1 of the four operational amplifier LM324 is connected with a cathode of the diode D4, an anode of the diode D4 is connected with one end of a resistor R11, the other end of the resistor R11 is connected with an output end of the potentiometer VR1, one end of the potentiometer VR1 is connected with +24V, the other end of the potentiometer VR1 is grounded, a pin 1 of the four operational amplifier LM324 is connected with one end of a resistor R17, the other end of the resistor R17 is connected with a pin 2 of the four operational amplifier LM324, a pin 6 of the four operational amplifier LM324 is connected with a resistor LM 4 and a middle resistor R11 in series, the 4 pin of the four-operational amplifier LM324 is connected with +24V, the 5 pin of the four-operational amplifier LM324 is connected with one end of a capacitor C3, the other end of the capacitor C3 is connected with the 7 pin of the four-operational amplifier LM324, the 5 pin of the four-operational amplifier LM324 is connected with one end of a resistor R15, the other end of the resistor R15 is connected with one end of a resistor R14, the series middle point of the resistor R14 and the resistor R15 is connected with the positive electrode of an electrolytic capacitor EC5, the other end of the resistor R14 is connected with the collector of a triode Q4, the emitter of the triode Q4 is connected with +24V, the negative electrode of the electrolytic capacitor EC5 is grounded, the 7 pin of the four-operational amplifier LM324 is connected with the base of a triode Q3, the collector of the triode Q3 is grounded, the emitter of the triode Q3 is connected with one end of a resistor R9, the other end of the resistor R9 is connected with the base, the emitter of the triode Q3 is connected with the anode of an electrolytic capacitor EC3, the cathode of the electrolytic capacitor EC3 is connected with one end of a resistor R10, one end of the resistor R10 is connected with the base of the triode Q4, the other end of the resistor R10 is connected with +24V, the pin 11 of the four-operational amplifier LM324 is grounded, and the collector of the triode Q4 is connected with the direct current motor 5.
The alarm circuit 8 comprises a triode Q1, resistors R1-R5, a capacitor C1, a tact switch SW1 and a buzzer BZ1, a pin 12 of the quad operational amplifier LM324 is connected with one end of the capacitor C1, the other end of the capacitor C1 is grounded, a pin 13 of the quad operational amplifier LM324 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with a pin 14 of the quad operational amplifier LM324, one end of the resistor R5 is connected with +24V, the other end of the resistor R5 is connected with one end of a resistor R4, the other end of the resistor R4 is grounded, a pin 13 of the quad operational amplifier LM324 is connected with the middle point of the series connection of the resistor R4 and the resistor R5, a pin 14 of the quad operational amplifier LM324 is connected with the capacitor C1 through a resistor R3, a pin 14 of the quad operational amplifier LM324 is connected with the base of the triode Q1, a collector of the triode Q5 is connected with +24V, and an emitter of the triode Q5857323 is connected with one end of the buzzer BZ 58573, the other end of the buzzer BZ1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of a tact switch SW1, and the other end of the tact switch SW1 is grounded.
The speed switching circuit 10 comprises a triode Q2, resistors R6-R8, an electrolytic capacitor EC2, a diode D1, a tact switch SW2 and a relay RL1, wherein a pin 6 of the four-operational amplifier LM324 is connected with the anode of the electrolytic capacitor EC2, the cathode of the electrolytic capacitor EC2 is grounded, a pin 6 of the four-operational amplifier LM324 is connected with one end of a tact switch SW2, the other end of the tact switch SW2 is grounded, one end of the tact switch SW2 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with an 8 pin of the four-operational amplifier LM324, a pin 10 of the four-operational amplifier LM324 is connected with one end of the resistor R8, a pin 8 of the four-operational amplifier LM324 is connected with the base of the triode Q2, the collector of the triode Q2 is connected with +24V, one end of the resistor R7 is grounded, the other end of the resistor R7 is connected with one end of the resistor R6, and the other end of the resistor R6724V 6, the pin 9 of the four-operational amplifier LM324 is connected with the series middle point of a resistor R7 and a resistor R6, the emitter of the triode Q2 is connected with one end of a relay RL1, the other end of the relay RL1 is grounded, two ends of the relay RL1 are connected with a diode D1 in parallel, the NO end of the relay RL1 is connected with +24V, and the COM end of the relay RL1 is connected with the collector of a triode Q4.
The protection circuit 11 comprises a resistor R13, a diode D3 and an electrolytic capacitor EC4, wherein a pin 2 of the four-operational amplifier LM324 is connected with one end of the resistor R13, the other end of the resistor R13 is connected with the cathode of the diode D3, the serial middle point of the resistor R13 and the diode D3 is connected with the anode of the electrolytic capacitor EC4, the cathode of the electrolytic capacitor EC4 is grounded, and the anode of the diode D3 is connected with the direct current motor 5.
The reference voltage circuit 12 comprises a resistor R16, a resistor R18, a resistor R19 and an electrolytic capacitor EC6, wherein a pin 2 of the four operational amplifier LM324 is connected with one end of the resistor R16, the other end of the resistor R16 is grounded, a pin 2 of the four operational amplifier LM324 is connected with the anode of the electrolytic capacitor EC6, the cathode of the electrolytic capacitor EC6 is grounded, one end of the resistor R18 is connected with +24V, the other end of the resistor R18 is connected with one end of the resistor R19, the other end of the resistor R19 is grounded, and a pin 3 of the four operational amplifier LM324 is connected with the middle point of the resistor R18 and the resistor R19 in series connection.
The nurse presses the switch S1, the 5 feet in the four-operational amplifier LM324 output high level, the triode Q4 is conducted to drive the direct current motor 5 to work, the direct current motor 5 drives the baby crib to swing and enable the baby to sleep, the switch S1 is pressed again, the 5 feet in the four-operational amplifier LM324 output low level, the triode Q4 is cut off, and the direct current motor 5 stops working. When the load of the direct current motor 5 is increased, the rotating speed is reduced, the voltage of the triode Q4 is reduced, the voltage is fed back to the second operational amplifier in the four operational amplifier LM324 through the resistor R14, the oscillation frequency is increased, the average current flowing through the direct current motor 5 is increased, and the speed of the direct current motor 5 is increased to achieve the purpose of stabilizing the speed. The regulation potentiometer VR1 changes the reference voltage of A1, and realizes the speed regulation of the direct current motor 5. The excitation control circuit composed of the transistor Q4, the resistor R10 and the electrolytic capacitor EC3 can enable the transistor Q4 to work under the pulse current 100A and still obtain very low saturation voltage drop and steep upper and lower edges of an output waveform. The diode D3, the resistor R13, the first operational amplifier in the four operational amplifiers LM324 and the like form a protection circuit 11, and the protection circuit can be powered off and protected against abnormal large current or over-discharge of a storage battery. The second operational amplifier in the four operational amplifier LM324 is connected to a schmitt comparator, when the abnormal large current exceeds 50A, the second operational amplifier in the four operational amplifier LM324 flips and outputs a low level, the negative input of the second operational amplifier in the four operational amplifier LM324 is pulled to the ground potential through the diode D4, the positive input of the third operational amplifier in the four operational amplifier LM324 is pulled to the ground potential, at this time, the second operational amplifier in the four operational amplifier LM324 outputs a high level transistor Q4, the transistor Q2 outputs a low level, the junction of the relay resistor RL1 is disconnected, and the power supply to the direct current motor 5 is stopped. In order to protect the over-discharge of the battery, the reference voltage of the first operational amplifier in the four operational amplifiers LM324 is supplied in a floating mode, and the lower the voltage of the battery is, the lower the limit point of the maximum working current of the direct current motor 5 is, so that the large current discharge of the battery under the under-current condition is prevented. The third operational amplifier in the four operational amplifiers LM324 is a comparator, the relay resistor RL1 forms a speed-regulating and full-speed automatic switching circuit, the third operational amplifier in the four operational amplifiers LM324 is a comparator, when the voltage of the sliding arm of the speed-regulating potentiometer 6VR1 exceeds the reference voltage of the first operational amplifier in the four operational amplifiers LM324, the third operational amplifier in the four operational amplifiers LM324 outputs high level, the relay resistor RL1 is attracted, the short-circuit triode Q4 stops working, and the circuit provides the maximum power for the direct current motor 5. The fourth operational amplifier LM324, the triode Q1, etc. form a horn circuit. The touch switch SW1 is a horn button, the touch switch SW2 is a brake micro switch, and when the brake is performed, the micro switch acts, the negative input of the first operational amplifier in the four operational amplifiers LM324 is connected with the ground, the positive input of the third operational amplifier in the four operational amplifiers LM324 is connected with the ground, and the circuit stops supplying power to the direct current motor 5. When the tact switch SW1 is pressed, 14 pins in the four-operational amplifier LM324 output high level, the triode Q1 is conducted, the buzzer BZ1 sounds, the tact switch SW1 is pressed again, 14 pins in the four-operational amplifier LM324 output low level, the triode Q1 is cut off, and the buzzer BZ1 does not sound.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a gynaecology and obstetrics's crib control circuit, characterized by: including charger (1), battery (2), comparator circuit (3), motor control circuit (4), direct current motor (5), speed governing potentiometre (6), protection circuit (11) and reference voltage circuit (12), the output of comparator circuit (3) is connected with the input of motor control circuit (4), the output and direct current motor (5) of motor control circuit (4) are connected, the output of speed governing potentiometre (6) is connected with the input of comparator circuit (3), the output of reference voltage circuit (12) is connected with the input of comparator circuit (3), the output and the input of motor control circuit (4) of protection circuit (11) are connected, charger (1) is connected with battery (2), battery (2) are comparator circuit (3), motor control circuit (4), The DC motor (5), the speed regulation potentiometer (6), the protection circuit (11) and the reference voltage circuit (12) are powered.
2. The control circuit of the obstetric and gynecologic crib as claimed in claim 1, wherein: the intelligent alarm device is characterized by further comprising a first switch (7) and an alarm circuit (8), wherein the first switch (7) is connected with the input end of the alarm circuit (8), and the storage battery (2) supplies power for the first switch (7) and the alarm circuit (8).
3. The control circuit of the obstetric and gynecologic crib as claimed in claim 2, wherein: the speed control circuit also comprises a second switch (9) and a speed switching circuit (10), wherein the second switch (9) and the speed switching circuit (10) are both connected with the input end of the comparator circuit (3), and the storage battery (2) supplies power to the second switch (9) and the speed switching circuit (10).
4. The control circuit of a baby crib according to claim 3, characterized in that: the motor control circuit (4) comprises a four-operational amplifier LM324, resistors R9-R12, resistors R14-R15, a resistor R17, a diode D2, a diode D4, a potentiometer VR1, a capacitor C3, triodes Q3-Q4, an electrolytic capacitor EC3 and an electrolytic capacitor EC5, wherein a pin 1 of the four-operational amplifier LM324 is connected with a cathode of the diode D4, an anode of the diode D4 is connected with one end of the resistor R11, the other end of the resistor R11 is connected with an output end of the potentiometer VR1, one end of the potentiometer VR1 is connected with +24V, the other end of the potentiometer VR1 is grounded, a pin 1 of the four-operational amplifier LM324 is connected with one end of the resistor R17, the other end of the resistor R17 is connected with a pin 2 of the four-operational amplifier LM324, a pin 6 of the four-operational amplifier LM324 is connected with a middle point of the diode D4 and the resistor R11 in series, and the pin LM 4 +24V of the four-operational amplifier LM324, a pin 5 of the quad operational amplifier LM324 is connected to one end of a capacitor C3, the other end of the capacitor C3 is connected to a pin 7 of the quad operational amplifier LM324, a pin 5 of the quad operational amplifier LM324 is connected to one end of a resistor R15, the other end of the resistor R15 is connected to one end of a resistor R14, a series intermediate point of the resistor R14 and the resistor R15 is connected to the positive electrode of an electrolytic capacitor EC5, the other end of the resistor R14 is connected to the collector of a transistor Q4, the emitter of the transistor Q4 is connected to +24V, the negative electrode of the electrolytic capacitor EC5 is grounded, a pin 7 of the quad operational amplifier LM324 is connected to the base of a transistor Q3, the collector of the transistor Q3 is grounded, the emitter of the transistor Q3 is connected to one end of a resistor R9, the other end of the resistor R9 is connected to the base of a transistor Q4, the emitter of the transistor Q3 is connected to the positive electrode of the electrolytic capacitor EC, the negative electrode of the electrolytic capacitor EC3 is connected with one end of a resistor R10, one end of the resistor R10 is connected with the base electrode of a triode Q4, the other end of the resistor R10 is connected with +24V, the 11 pin of the four-operational amplifier LM324 is grounded, and the collector of the triode Q4 is connected with the direct current motor (5).
5. The control circuit of the obstetric and gynecologic crib as claimed in claim 4, wherein: the alarm circuit (8) comprises a triode Q1, resistors R1-R5, a capacitor C1, a light touch switch SW1 and a buzzer BZ1, wherein a pin 12 of the four operational amplifier LM324 is connected with one end of a capacitor C1, the other end of the capacitor C1 is grounded, a pin 13 of the four operational amplifier LM324 is connected with one end of the resistor R2, the other end of the resistor R2 is connected with a pin 14 of the four operational amplifier LM324, one end of the resistor R5 is connected with +24V, the other end of the resistor R5 is connected with one end of the resistor R4, the other end of the resistor R4 is grounded, a pin 13 of the four operational amplifier LM324 is connected with a series middle point of the resistor R4 and the resistor R5, a pin 14 of the four operational amplifier LM324 is connected with the capacitor C1 through the resistor R3, a pin 14 of the four operational amplifier LM324 is connected with a base of the triode Q1, a collector of the triode Q53924V 1, the emitting electrode of the triode Q1 is connected with one end of a buzzer BZ1, the other end of the buzzer BZ1 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with one end of a touch switch SW1, and the other end of the touch switch SW1 is grounded.
6. The control circuit of the obstetric and gynecologic crib as claimed in claim 5, wherein: the speed switching circuit (10) comprises a triode Q2, resistors R6-R8, an electrolytic capacitor EC2, a diode D1, a tact switch SW2 and a relay RL1, wherein a pin 6 of the four-operational amplifier LM324 is connected with the positive electrode of the electrolytic capacitor EC2, the negative electrode of the electrolytic capacitor EC2 is grounded, a pin 6 of the four-operational amplifier LM324 is connected with one end of a tact switch SW2, the other end of the tact switch SW2 is grounded, one end of the tact switch SW2 is connected with one end of a resistor R8, the other end of the resistor R8 is connected with a pin 8 of the four-operational amplifier LM324, a pin 10 of the four-operational amplifier LM324 is connected with one end of a resistor R8, a pin 8 of the four-operational amplifier LM324 is connected with the base of a triode Q2, the collector of the triode Q2 is connected with +24V, one end of the resistor R7 is grounded, the other end of the resistor R7 is connected with one end of the resistor R6, and the other end of the resistor R6 is connected, the pin 9 of the four-operational amplifier LM324 is connected with the series middle point of a resistor R7 and a resistor R6, the emitter of the triode Q2 is connected with one end of a relay RL1, the other end of the relay RL1 is grounded, two ends of the relay RL1 are connected with a diode D1 in parallel, the NO end of the relay RL1 is connected with +24V, and the COM end of the relay RL1 is connected with the collector of a triode Q4.
7. The control circuit of the obstetric and gynecologic crib as claimed in claim 6, wherein: the protection circuit (11) comprises a resistor R13, a diode D3 and an electrolytic capacitor EC4, wherein the pin 2 of the four-operational amplifier LM324 is connected with one end of the resistor R13, the other end of the resistor R13 is connected with the cathode of the diode D3, the series middle point of the resistor R13 and the diode D3 is connected with the anode of the electrolytic capacitor EC4, the cathode of the electrolytic capacitor EC4 is grounded, and the anode of the diode D3 is connected with the direct current motor (5).
8. The control circuit of a baby crib according to claim 7, characterized in that: the reference voltage circuit (12) comprises a resistor R16, a resistor R18, a resistor R19 and an electrolytic capacitor EC6, wherein a pin 2 of the four-operational amplifier LM324 is connected with one end of the resistor R16, the other end of the resistor R16 is grounded, a pin 2 of the four-operational amplifier LM324 is connected with the positive electrode of the electrolytic capacitor EC6, the negative electrode of the electrolytic capacitor EC6 is grounded, one end of the resistor R18 is connected with +24V, the other end of the resistor R18 is connected with one end of the resistor R19, the other end of the resistor R19 is grounded, and a pin 3 of the four-operational amplifier LM324 is connected with the series connection middle point of the resistor R18 and the resistor R19.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993271.4A CN110710827A (en) | 2019-10-18 | 2019-10-18 | Control circuit of baby crib for obstetrics and gynecology department |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910993271.4A CN110710827A (en) | 2019-10-18 | 2019-10-18 | Control circuit of baby crib for obstetrics and gynecology department |
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| CN110710827A true CN110710827A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910993271.4A Pending CN110710827A (en) | 2019-10-18 | 2019-10-18 | Control circuit of baby crib for obstetrics and gynecology department |
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| CN (1) | CN110710827A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112596452A (en) * | 2021-01-16 | 2021-04-02 | 方泽众 | Baby cradle control circuit for obstetrics and gynecology department |
| CN112603695A (en) * | 2020-12-04 | 2021-04-06 | 何聪彬 | Back washing and massage nursing bed control circuit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213144U (en) * | 1987-09-04 | 1988-04-27 | 苏州孔雀电子联合公司 | Speed gavernor of electrodynarnic bicycle |
| JPH0646560U (en) * | 1992-12-11 | 1994-06-28 | コンビ株式会社 | Electronic control circuit for opening and closing hoods such as car cots |
| CN2545915Y (en) * | 2002-02-20 | 2003-04-23 | 林旭峰 | Electric infant bed |
| CN101036556A (en) * | 2006-03-14 | 2007-09-19 | 上海多士咪生活用品有限公司 | Intelligent baby cradle |
| CN201674452U (en) * | 2010-05-13 | 2010-12-15 | 长安大学 | Motor speed regulation device based on triangular wave |
| CN103318109A (en) * | 2013-07-05 | 2013-09-25 | 无锡商业职业技术学院 | Controller for electric bicycles and motorcycles |
| CN206423871U (en) * | 2016-11-10 | 2017-08-22 | 徐天朗 | A kind of intelligent bassinet |
| CN209313757U (en) * | 2018-12-29 | 2019-08-27 | 深圳飞安瑞科技股份有限公司 | A kind of speed regulation of direct current generator and gear indicating circuit |
-
2019
- 2019-10-18 CN CN201910993271.4A patent/CN110710827A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213144U (en) * | 1987-09-04 | 1988-04-27 | 苏州孔雀电子联合公司 | Speed gavernor of electrodynarnic bicycle |
| JPH0646560U (en) * | 1992-12-11 | 1994-06-28 | コンビ株式会社 | Electronic control circuit for opening and closing hoods such as car cots |
| CN2545915Y (en) * | 2002-02-20 | 2003-04-23 | 林旭峰 | Electric infant bed |
| CN101036556A (en) * | 2006-03-14 | 2007-09-19 | 上海多士咪生活用品有限公司 | Intelligent baby cradle |
| CN201674452U (en) * | 2010-05-13 | 2010-12-15 | 长安大学 | Motor speed regulation device based on triangular wave |
| CN103318109A (en) * | 2013-07-05 | 2013-09-25 | 无锡商业职业技术学院 | Controller for electric bicycles and motorcycles |
| CN206423871U (en) * | 2016-11-10 | 2017-08-22 | 徐天朗 | A kind of intelligent bassinet |
| CN209313757U (en) * | 2018-12-29 | 2019-08-27 | 深圳飞安瑞科技股份有限公司 | A kind of speed regulation of direct current generator and gear indicating circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112603695A (en) * | 2020-12-04 | 2021-04-06 | 何聪彬 | Back washing and massage nursing bed control circuit |
| CN112596452A (en) * | 2021-01-16 | 2021-04-02 | 方泽众 | Baby cradle control circuit for obstetrics and gynecology department |
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