CN113240883A - Human body parameter detection alarm circuit for medical equipment - Google Patents
Human body parameter detection alarm circuit for medical equipment Download PDFInfo
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- CN113240883A CN113240883A CN202110532879.4A CN202110532879A CN113240883A CN 113240883 A CN113240883 A CN 113240883A CN 202110532879 A CN202110532879 A CN 202110532879A CN 113240883 A CN113240883 A CN 113240883A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention relates to the field of medical instruments, in particular to a human body parameter detection alarm circuit for medical equipment. The technical problem of the invention is that: the human body parameter detection alarm circuit for the medical equipment can remind doctors that patients are uncomfortable and accidents are avoided. The technical implementation scheme of the invention is as follows: a human body parameter detection alarm circuit for medical equipment comprises a power supply unit, an OR gate circuit, a human body touch switch group, an LED indicator lamp group circuit, an inverter circuit and the like; the output end of the OR gate circuit is connected with the human body touch switch group, and the human body touch switch group is connected with the input end of the reverser circuit. The sound of the loudspeaker can be adjusted through the second potentiometer, so that the doctor can hear the alarm sound of the loudspeaker more quickly.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a human body parameter detection alarm circuit for medical equipment.
Background
In the hospital, often need carry out human detection to patient, examine patient's health through medical equipment, make things convenient for the doctor to judge patient's the condition, when carrying out human detection to patient, patient may feel uncomfortable, and medical equipment does not generally have the function of reporting to the police, so the doctor can't in time know patient's the condition, lead to handling untimely, serious probably accident, so need design one kind can remind doctor patient's health uncomfortable, avoid taking place unexpected medical equipment and detect alarm circuit with human parameter.
Disclosure of Invention
In order to overcome the defects that medical equipment generally has no alarm function, so that doctors cannot know the condition of patients in time, treatment is not timely, and accidents can happen seriously, the technical problem of the invention is as follows: the human body parameter detection alarm circuit for the medical equipment can remind doctors that patients are uncomfortable and accidents are avoided.
The technical implementation scheme of the invention is as follows: a human body parameter detection alarm circuit for medical equipment comprises a power supply unit, an OR gate circuit, a human body touch switch group, an LED indicator lamp group circuit, an inverter circuit, a triode amplifying circuit, a charging and discharging circuit, a time delay circuit, a triode modulation circuit, a frequency adjusting circuit, a first potentiometer, a loudspeaker, an audio generation circuit and a very low frequency oscillator, wherein the output end of the OR gate circuit is connected with the human body touch switch group, the human body touch switch group is connected with the input end of the inverter circuit, the input ends of the LED indicator lamp group circuit and the triode amplifying circuit are connected with the output end of the inverter circuit, the output end of the triode amplifying circuit is connected with the input end of the charging and discharging circuit, the output end of the charging and discharging circuit is connected with the input end of the time delay circuit, and the output end of the time delay circuit is connected with the first potentiometer, the power supply unit supplies power for an OR gate circuit, a human body touch switch group, an LED indicator lamp group circuit, a reverser circuit, a triode amplifying circuit, a charging and discharging circuit, a time delay circuit, a triode modulation circuit, a frequency adjusting circuit, a first potentiometer, a loudspeaker, an audio generating circuit and a very low frequency oscillator.
The power supply unit is used for supplying power to the second potentiometer.
Further, the OR gate circuit comprises four paths of 2-input OR gates 74LS32-U1 and 74LS32-U3, the 7 pins of the four paths of 2-input OR gates 74LS32-U1 are grounded, the 3 pins, the 6 pins, the 8 pins, the 11 pins and the 14 pins of the four paths of 2-input OR gates 74LS32-U1 are all connected with +5V, the 7 pins of the four paths of 2-input OR gates 74LS32-U3 are grounded, and the 3 pins, the 6 pins, the 8 pins, the 11 pins and the 14 pins of the four paths of 2-input OR gates 74LS32-U3 are all connected with + 5V.
Further, the inverter circuit is a six-input inverter 74LS04-U2, the 7 feet of the six-input inverter 74LS04-U2 are grounded, the 14 feet of the six-input inverter 74LS04-U2 are connected with +5V, the 1 foot of the six-input inverter 74LS04-U2 is connected with the 1 foot of a four-way 2-input OR gate 74LS32-U1, the 3 foot of the six-input inverter 74LS 1-U1 is connected with the 5 foot of a four-way 2-input OR gate 74LS 1-U1, the 5 foot of the six-input inverter 74LS 1-U1 is connected with the 13 feet of a four-way 2-input OR gate 74LS 1-U1, the 9 foot of the six-input inverter 74LS 1 is connected with the 10 feet of a four-way 2-input OR gate 74LS 1-U1, the 13 feet of the six-input inverter 74LS 63U 1 is connected with the four-input inverter 74LS 6372 or the four-U1 is connected with the 10 feet of the six-input inverter 74LS 6372 or gate 1 is connected with the four-U1, and the input gate 74LS 1 is connected with the four-U1 is connected with the input gate 72, and the six-U1 is connected with the input gate 72 And (6) connecting.
Further, the LED indicating lamp group circuit comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a light-emitting diode VD1, a light-emitting diode VD2, a light-emitting diode VD3, a light-emitting diode VD4, a light-emitting diode VD5 and a light-emitting diode VD6, the 2-pin series resistor R1 and the light emitting diode VD1 of the six-input inverter 74LS04-U2, the 4-pin series resistor R2 and the light emitting diode VD2 of the six-input inverter 74LS04-U2, the 6-pin series resistor R3 and the light emitting diode VD3 of the six-input inverter 74LS04-U2, the 8-pin series resistor R4 and the light emitting diode VD4 of the six-input inverter 74LS04-U2, the 10-pin series resistor R5 and the light emitting diode VD5 of the six-input inverter 74LS04-U2, the six-input inverter 74LS04-U2 has a 12-pin series resistor R6 and a light emitting diode VD 6.
Further, the triode amplifier circuit comprises a triode Q1, a triode Q2, a triode Q3, a triode Q5, a diode D2, a capacitor C1, a resistor R7 and a resistor R7, wherein cathodes of the light emitting diode VD 7, the resistor VD 7 and the light emitting diode VD 7 are all connected with a base of the triode Q7, a base of the triode Q7 is connected in series with the resistor R7 to ground, a collector of the triode Q7 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with +5V, an emitter of the triode Q7 is connected with the base of the triode Q7, a collector of the triode Q7 is connected with the base of the triode Q7, an emitter of the triode Q7 is connected with one end of the resistor R7, and the other end of the resistor R7 is connected with +5V, the collector of the triode Q2 is connected in series with a diode D2, a resistor R11 and the base of the triode Q5, the emitter of the triode Q5 is grounded, one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with the middle point of the series connection of the diode D2 and the resistor R11.
Further, the delay circuit comprises a time base integrated circuit NE555-U5 and a diode D1, wherein pins 4 and 8 of the time base integrated circuit NE555-U5 are connected to +5V, pin 1 of the time base integrated circuit NE555-U5 is connected to ground, pin 2 of the time base integrated circuit NE555-U5 is connected to the anode of a diode D1, the cathode of the diode D1 is connected to pin 7 of the time base integrated circuit NE555-U5, and pin 2 of the time base integrated circuit NE555-U5 is connected to pin 6 thereof.
Further, the audio generating circuit comprises a time base integrated circuit NE555-U4, an electrolytic capacitor EC1 and a loudspeaker LS1, wherein a pin 1 of the time base integrated circuit NE555-U4 is grounded, pins 4 and 8 of the time base integrated circuit NE555-U4 are connected with +5V, a pin 3 of the time base integrated circuit NE555-U4 is connected with the electrolytic capacitor EC1 and the loudspeaker LS1 in series, the other end of the loudspeaker LS1 is grounded, and a pin 2 of the time base integrated circuit NE555-U4 is connected with a pin 6 thereof.
Further, the triode modulation circuit comprises a triode Q4, a capacitor C2, a potentiometer VR1 and a resistor R9, the collector of the triode Q5 is connected in series with the capacitor C2 and the potentiometer VR1, the other end and the adjustable end of the potentiometer VR1 are both connected with one end of a resistor R9, the other end of the resistor R9 is connected with +5V, the pin 7 of the time base integrated circuit NE555-U5 is connected with the adjustable end of the potentiometer VR1, the pin 2 of the time base integrated circuit NE555-U5 is connected with the series middle point of the capacitor C2 and the potentiometer VR1, the pin 2 of the time base integrated circuit 555-U5 is connected with the base of the triode Q4, and the emitter of the triode Q4 is connected with the collector of the triode Q5.
Further, the second potentiometer comprises a capacitor C3, a potentiometer VR2 and a resistor R10, the capacitor C3 is connected in series with the potentiometer VR2 and the resistor R10, the other end of the capacitor C3 is grounded, the other end of the resistor R10 is connected with +5V, the 5 pin of the time-base integrated circuit NE555-U5 is connected with the middle point of the series connection of the capacitor C3 and the potentiometer VR2, the 6 pin of the time-base integrated circuit NE555-U5 is connected with the adjustable end of the potentiometer VR2, and the 6 pin of the time-base integrated circuit NE555-U5 is connected with the middle point of the series connection of the potentiometer VR2 and the resistor R10.
The invention has the beneficial effects that: the sound of the loudspeaker can be adjusted through the second potentiometer, so that the doctor can hear the alarm sound of the loudspeaker more quickly.
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.
Reference numbers in the drawings: 1: power supply unit, 2: or gate, 3: human body touch switch group, 4: LED pilot lamp group circuit, 5: inverter circuit, 6: triode amplifier circuit, 7: charge and discharge circuit, 8: delay circuit, 9: triode modulation circuit, 10: frequency adjustment circuit, 11: first potentiometer, 12: speaker, 13: second potentiometer, 14: audio generation circuit, 15: a very low frequency oscillator.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example 1
A human body parameter detection alarm circuit for medical equipment is shown in figure 1 and comprises a power supply unit 1, an OR gate circuit 2, a human body touch switch group 3, an LED indicator lamp group circuit 4, an inverter circuit 5, a triode amplification circuit 6, a charge and discharge circuit 7, a delay circuit 8, a triode modulation circuit 9, a frequency regulation circuit 10, a first potentiometer 11, a loudspeaker 12, an audio generation circuit 14 and a very low frequency oscillator 15, wherein the output end of the OR gate circuit 2 is connected with the human body touch switch group 3, the input ends of the human body touch switch group 3 and the inverter circuit 5 are connected, the input ends of the LED indicator lamp group circuit 4 and the triode amplification circuit 6 are connected with the output end of the inverter circuit 5, the output end of the triode amplification circuit 6 is connected with the input end of the charge and discharge circuit 7, the output end of the charge and discharge circuit 7 is connected with the input end of the delay circuit 8, the output end of the delay circuit 8 is connected with the first potentiometer 11, the first potentiometer 11 is connected with the input end of the frequency adjusting circuit 10, the input ends of the triode modulation circuit 9 and the extremely-low frequency oscillator 15 are connected with the output end of the frequency adjusting circuit 10, the output ends of the triode modulation circuit 9 and the extremely-low frequency oscillator 15 are connected with the input end of the audio generating circuit 14, the output end of the audio generating circuit 14 is connected with the loudspeaker 12, and the power supply unit 1 supplies power for the OR gate circuit 2, the human touch switch group 3, the LED indicator lamp group circuit 4, the reverser circuit 5, the triode amplifying circuit 6, the charging and discharging circuit 7, the delay circuit 8, the triode modulation circuit 9, the frequency adjusting circuit 10, the first potentiometer 11, the loudspeaker 12, the audio generating circuit 14 and the extremely-low frequency oscillator 15.
If a patient feels uncomfortable, the patient can touch one of the switches on the human touch switch group 3, the reverser circuit 5 controls the corresponding LED indicator lamps on the LED indicator lamp group circuit 4 to light up, the triode amplifying circuit 6 amplifies the voltage, the charging and discharging circuit 7 carries out charging and discharging, the delay circuit 8 starts delaying time, after the time is up, the extremely-low-frequency oscillator 15 outputs a low-frequency oscillation signal, the audio generating circuit 14 controls the loudspeaker 12 to sound, a doctor is reminded that the body of the patient is uncomfortable, timely treatment is needed, accidents are avoided, and the oscillation frequency of the extremely-low-frequency oscillator 15 can be modulated through the triode modulating circuit 9, the frequency adjusting circuit 10 and the first potentiometer 11.
Example 2
On the basis of embodiment 1, as shown in fig. 1, the electronic device further includes a second potentiometer 13, the second potentiometer 13 is connected to an input end of an audio generating circuit 14, and the power supply unit 1 supplies power to the second potentiometer 13.
The second potentiometer 13 can adjust the pulse width output by the audio generating circuit 14, and further adjust the volume of the speaker 12, so that the doctor can hear the alarm sound of the speaker 12 more quickly.
Example 3
As shown in FIG. 2, the OR gate circuit 2 comprises four paths of 2-input OR gates 74LS32-U1 and four paths of 2-input OR gates 74LS32-U3, pins 7 of the four paths of 2-input OR gates 74LS32-U1 are grounded, pins 3, 6, 8, 11 and 14 of the four paths of 2-input OR gates 74LS32-U1 are all connected with +5V, pins 7 of the four paths of 2-input OR gates 74LS32-U3 are grounded, and pins 3, 6, 8, 11 and 14 of the four paths of 2-input OR gates 74LS32-U3 are all connected with + 5V.
The inverter circuit 5 is a six-input inverter 74LS04-U2, the 7-pin of the six-input inverter 74LS04-U2 is connected to ground, the 14 pins of the six-input inverter 74LS04-U2 are connected with +5V, the 1 pin of the six-input inverter 74LS04-U2 is connected with the 1 pin of the four-way 2-input OR gate 74LS32-U1, the 3-pin of the six-input inverter 74LS04-U2 is connected to the 5-pin of the four-way 2-input or gate 74LS32-U1, the 5 pin of the six input inverter 74LS04-U2 is connected to the 13 pin of the four-way 2 input or gate 74LS32-U1, the 9-pin of the six-input inverter 74LS04-U2 is connected to the 10-pin of the four-way 2-input or gate 74LS32-U1, the 13 pin of the six-input inverter 74LS04-U2 is connected to the 1 pin of the four-way 2-input or gate 74LS32-U3, the 11 pin of the six-input inverter 74LS04-U2 is connected with the 5 pin of the four-way 2-input OR gate 74LS 32-U3.
The LED indicating lamp group circuit 4 comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a light-emitting diode VD1, a light-emitting diode VD2, a light-emitting diode VD3, a light-emitting diode VD4, a light-emitting diode VD5 and a light-emitting diode VD6, the 2-pin series resistor R1 and the light emitting diode VD1 of the six-input inverter 74LS04-U2, the 4-pin series resistor R2 and the light emitting diode VD2 of the six-input inverter 74LS04-U2, the 6-pin series resistor R3 and the light emitting diode VD3 of the six-input inverter 74LS04-U2, the 8-pin series resistor R4 and the light emitting diode VD4 of the six-input inverter 74LS04-U2, the 10-pin series resistor R5 and the light emitting diode VD5 of the six-input inverter 74LS04-U2, the six-input inverter 74LS04-U2 has a 12-pin series resistor R6 and a light emitting diode VD 6.
The triode amplifying circuit 6 comprises a triode Q1, a triode Q2, a triode Q3, a triode Q5, a diode D2, a capacitor C1, a resistor R7, a resistor R8, a resistor R11 and a resistor R12, wherein the cathodes of the light emitting diode VD1, the light emitting diode VD2, the light emitting diode VD3, the light emitting diode VD4, the light emitting diode VD5 and the light emitting diode VD6 are all connected with the base of a triode Q1, the base of the triode Q1 is connected with the ground in series with the resistor R12, the collector of the triode Q1 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with +5V, the emitter of the triode Q1 is connected with the base of the triode Q3, the collector of the triode Q1 is connected with the collector of the triode Q3, the collector of the triode Q1 is connected with the base of the triode Q2, the emitter of the triode Q2 is connected with one end of the resistor R8, the other end of the resistor R6345 is connected with + V8, the collector of the triode Q2 is connected in series with a diode D2, a resistor R11 and the base of the triode Q5, the emitter of the triode Q5 is grounded, one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with the middle point of the series connection of the diode D2 and the resistor R11.
The delay circuit 8 comprises a time-base integrated circuit NE555-U5 and a diode D1, wherein pins 4 and 8 of the time-base integrated circuit NE555-U5 are connected with +5V, pin 1 of the time-base integrated circuit NE555-U5 is grounded, pin 2 of the time-base integrated circuit NE555-U5 is connected with the anode of a diode D1, the cathode of the diode D1 is connected with pin 7 of the time-base integrated circuit NE555-U5, and pin 2 of the time-base integrated circuit NE555-U5 is connected with pin 6.
The audio generating circuit 14 comprises a time base integrated circuit NE555-U4, an electrolytic capacitor EC1 and a loudspeaker LS1, wherein a pin 1 of the time base integrated circuit NE555-U4 is grounded, pins 4 and 8 of the time base integrated circuit NE555-U4 are connected with +5V, a pin 3 of the time base integrated circuit NE555-U4 is connected with the electrolytic capacitor EC1 and the loudspeaker LS1 in series, the other end of the loudspeaker LS1 is grounded, and a pin 2 of the time base integrated circuit NE555-U4 is connected with a pin 6 thereof.
The triode modulation circuit 9 comprises a triode Q4, a capacitor C2, a potentiometer VR1 and a resistor R9, the collector of the triode Q5 is connected with the capacitor C2 and the potentiometer VR1 in series, the other end and the adjustable end of the potentiometer VR1 are both connected with one end of a resistor R9, the other end of the resistor R9 is connected with +5V, the 7 pin of the time base integrated circuit NE555-U5 is connected with the adjustable end of the potentiometer VR1, the 2 pin of the time base integrated circuit NE555-U5 is connected with the series middle point of the capacitor C2 and the potentiometer NE VR1, the 2 pin of the time base integrated circuit NE555-U5 is connected with the base of the triode Q4, and the emitter of the triode Q4 is connected with the collector of the triode Q5.
The second potentiometer 13 comprises a capacitor C3, a potentiometer VR2 and a resistor R10, the capacitor C3 is connected in series with the potentiometer VR2 and the resistor R10, the other end of the capacitor C3 is grounded, the other end of the resistor R10 is connected with +5V, the 5 pin of the time-base integrated circuit NE555-U5 is connected with the middle point of the series connection of the capacitor C3 and the potentiometer VR2, the 6 pin of the time-base integrated circuit NE555-U5 is connected with the adjustable end of the potentiometer VR2, and the 6 pin of the time-base integrated circuit NE555-U5 is connected with the middle point of the series connection of the potentiometer VR2 and the resistor R10.
If the patient feels uncomfortable, the patient can touch one of the switches on the human touch switch group 3, the four-way 2 input or gate 74LS32-U1 and the four-way 2 input or gate 74LS32-U3 output voltage signals, the six-input inverter 74LS04-U2 outputs high level, one of the light emitting diodes VD1, VD2, VD3, VD4, VD5 and VD6 is lightened, the triode Q1, the triode Q2 and the triode Q3 amplify the voltage, the capacitor C1 is charged and discharged, the time base integrated circuit 555-U5 starts delaying, after the time is up, the time base integrated circuit NE555-U LS 4 outputs high level, the horn 1 sounds to remind the doctor that the patient is uncomfortable and needs to deal with the accident in time, the oscillation frequency of the time base integrated circuit NE555-U4 can be adjusted through the triode Q4 and the potentiometer 1, the pulse width output by the time base integrated circuit NE555-U4 can be adjusted through the potentiometer VR2, and the volume of the loudspeaker LS1 is adjusted.
It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. A human body parameter detection alarm circuit for medical equipment is characterized by comprising a power supply unit (1), an OR gate circuit (2), a human body touch switch group (3), an LED indicator lamp group circuit (4), an inverter circuit (5), a triode amplification circuit (6), a charging and discharging circuit (7), a delay circuit (8), a triode modulation circuit (9), a frequency adjusting circuit (10), a first potentiometer (11), a loudspeaker (12), an audio generating circuit (14) and a very low frequency oscillator (15), wherein the output end of the OR gate circuit (2) is connected with the human body touch switch group (3), the human body touch switch group (3) is connected with the input end of the inverter circuit (5), the input ends of the LED indicator lamp group circuit (4) and the triode amplification circuit (6) are connected with the output end of the inverter circuit (5), the output of triode amplification circuit (6) is connected with the input of charge-discharge circuit (7), the output of charge-discharge circuit (7) is connected with the input of delay circuit (8), the output of delay circuit (8) is connected with first potentiometre (11), first potentiometre (11) and frequency adjusting circuit (10)'s input are connected, triode modulation circuit (9) and low frequency oscillator's (15) input all are connected with the output of frequency adjusting circuit (10), triode modulation circuit (9) and low frequency oscillator's (15) output all are connected with the input of audio frequency production circuit (14), the output and speaker (12) of audio frequency production circuit (14) are connected, power supply unit (1) is or 2, human touch switch group (3), The LED audio frequency control circuit comprises an LED indicating lamp set circuit (4), an inverter circuit (5), a triode amplifying circuit (6), a charging and discharging circuit (7), a time delay circuit (8), a triode modulation circuit (9), a frequency adjusting circuit (10), a first potentiometer (11), a loudspeaker (12), an audio frequency generating circuit (14) and a very low frequency oscillator (15).
2. The human body parameter detection alarm circuit for medical equipment according to claim 1, further comprising a second potentiometer (13), wherein the second potentiometer (13) is connected with an input end of the audio generation circuit (14), and the power supply unit (1) supplies power to the second potentiometer (13).
3. The human body parameter detection alarm circuit for the medical equipment as claimed in claim 2, wherein the or gate circuit (2) comprises a four-way 2 input or gate 74LS32-U1 and a four-way 2 input or gate 74LS32-U3, the 7 pin of the four-way 2 input or gate 74LS32-U1 is grounded, the 3 pin, the 6 pin, the 8 pin, the 11 pin and the 14 pin of the four-way 2 input or gate 74LS32-U1 are all connected with +5V, the 7 pin of the four-way 2 input or gate 74LS32-U3 is grounded, and the 3 pin, the 6 pin, the 8 pin, the 11 pin and the 14 pin of the four-way 2 input or gate 74LS32-U3 are all connected with + 5V.
4. The human body parameter detecting alarm circuit for medical equipment according to claim 3, wherein said inverter circuit (5) is a six-input inverter 74LS04-U2, said six-input inverter 74LS04-U2 has its 7-pin grounded, said six-input inverter 74LS04-U2 has its 14-pin +5V, said six-input inverter 74LS04-U2 has its 1-pin connected with the 1-pin of a four-way 2-input OR gate 74LS32-U1, said six-input inverter 74LS04-U2 has its 3-pin connected with the 5-pin of a four-way 2-input OR gate 74LS32-U1, said six-input inverter 74LS04-U2 has its 5-pin connected with the 13-pin of a four-way 2-input OR gate 74LS32-U1, said six-input inverter 74LS04-U2 has its pin connected with the four-way 2-input OR gate LS32-U1, said six-input inverter 74LS 8672 has its 3-pin connected with the four-pin 1 or said four-pin 1, the 11 pin of the six-input inverter 74LS04-U2 is connected with the 5 pin of the four-way 2-input OR gate 74LS 32-U3.
5. The human body parameter detection alarm circuit for medical equipment according to claim 4, wherein said LED indicator lamp group circuit (4) comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, a light emitting diode VD4 and a light emitting diode VD4, a 2-pin series resistor R4 and a light emitting diode VD4 of said six-input inverter 74LS 4-U4, a 4-pin series resistor R4 and a light emitting diode VD4 of said six-input inverter 74LS 4-U4, a 6-pin series resistor R4 and a light emitting diode VD4 of said six-input inverter 74LS 4-U4, a 8-pin series resistor R4 and a light emitting diode VD4 of said six-input inverter 74LS 4-U4 and a light emitting diode VD4, the six-input inverter 74LS04-U2 has a 12-pin series resistor R6 and a light emitting diode VD 6.
6. The human body parameter detection alarm circuit for medical equipment according to claim 5, wherein said triode amplifier circuit (6) comprises a triode Q1, a triode Q2, a triode Q3, a triode Q5, a diode D2, a capacitor C1, a resistor R7, a resistor R8, a resistor R11 and a resistor R12, wherein said light emitting diode VD1, said light emitting diode VD2, said light emitting diode VD3, said light emitting diode VD4, said light emitting diode VD5 and the cathode of said light emitting diode VD6 are all connected to the base of a triode Q6, the base of said triode Q6 is connected in series to ground, the collector of said triode Q6 is connected to one end of a resistor R6, the other end of said resistor R6 is connected to +5V, the emitter of said triode Q6 is connected to the base of a triode Q6, the collector of said triode Q6 is connected to the collector of said triode Q6, the emitting electrode of the triode Q2 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with +5V, the collector electrode of the triode Q2 is connected with the base electrode of the diode D2, the resistor R11 and the triode Q5 in series, the emitting electrode of the triode Q5 is grounded, one end of the capacitor C1 is grounded, and the other end of the capacitor C1 is connected with the series connection middle point of the diode D2 and the resistor R11.
7. The human body parameter detection alarm circuit for medical equipment according to claim 6, wherein said delay circuit (8) comprises a time base integrated circuit NE555-U5 and a diode D1, wherein both pins 4 and 8 of said time base integrated circuit NE555-U5 are connected to +5V, wherein pin 1 of said time base integrated circuit NE555-U5 is connected to ground, pin 2 of said time base integrated circuit NE555-U5 is connected to the anode of a diode D1, the cathode of said diode D1 is connected to pin 7 of said time base integrated circuit NE555-U5, and pin 2 of said time base integrated circuit NE555-U5 is connected to pin 6 thereof.
8. The human body parameter detection alarm circuit for medical equipment as claimed in claim 7, wherein said audio generation circuit (14) comprises a time base integrated circuit NE555-U4, an electrolytic capacitor EC1 and a horn LS1, wherein pin 1 of said time base integrated circuit NE555-U4 is grounded, pins 4 and 8 of said time base integrated circuit NE555-U4 are connected to +5V, pin 3 of said time base integrated circuit NE555-U4 is connected in series with an electrolytic capacitor EC1 and a horn LS1, the other end of said horn LS1 is grounded, and pin 2 of said time base integrated circuit NE555-U4 is connected to pin 6 thereof.
9. The body parameter sensing alarm circuit for a medical device of claim 8, wherein said triode modulator circuit (9) comprises a triode Q4, a capacitor C2, a potentiometer VR1 and a resistor R9, a collector of said triode Q5 is connected in series with a capacitor C2 and a potentiometer VR1, the other end of said potentiometer VR1 and its adjustable end are connected to one end of the resistor R9, the other end of said resistor R9 is connected to +5V, a pin 7 of said time base integrated circuit 555-U5 is connected to the adjustable end of the potentiometer VR1, a pin 2 of said time base integrated circuit NE555-U5 is connected to a middle point of the series connection of the capacitor C2 and the potentiometer VR1, a pin 2 of said time base integrated circuit NE555-U5 is connected to a base of a transistor Q4, and an emitter of said transistor Q4 is connected to a collector of a transistor Q5.
10. The human body parameter detecting alarm circuit for medical equipment as claimed in claim 9, wherein said second potentiometer (13) comprises a capacitor C3, a potentiometer VR2 and a resistor R10, said capacitor C3 is connected in series with the potentiometer VR2 and the resistor R10, the other end of said capacitor C3 is grounded, the other end of said resistor R10 is connected with +5V, said 5-pin of the time base integrated circuit NE555-U5 is connected with the series intermediate point of the capacitor C3 and the potentiometer VR2, said 6-pin of the time base integrated circuit NE555-U5 is connected with the adjustable end of the potentiometer VR2, and said 6-pin of the time base integrated circuit 555 NE-U5 is connected with the series intermediate point of the potentiometer VR2 and the resistor R10.
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| CN202110532879.4A CN113240883A (en) | 2021-05-17 | 2021-05-17 | Human body parameter detection alarm circuit for medical equipment |
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| CN202110532879.4A CN113240883A (en) | 2021-05-17 | 2021-05-17 | Human body parameter detection alarm circuit for medical equipment |
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| CN202110532879.4A Pending CN113240883A (en) | 2021-05-17 | 2021-05-17 | Human body parameter detection alarm circuit for medical equipment |
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