CN204133677U - Position rotates instrument control circuit - Google Patents
Position rotates instrument control circuit Download PDFInfo
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- CN204133677U CN204133677U CN201420379631.4U CN201420379631U CN204133677U CN 204133677 U CN204133677 U CN 204133677U CN 201420379631 U CN201420379631 U CN 201420379631U CN 204133677 U CN204133677 U CN 204133677U
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- 238000005273 aeration Methods 0.000 claims abstract description 10
- 238000013022 venting Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 44
- 239000007788 liquid Substances 0.000 claims description 24
- 230000000087 stabilizing effect Effects 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000007958 sleep Effects 0.000 abstract description 13
- 208000001797 obstructive sleep apnea Diseases 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 201000002859 sleep apnea Diseases 0.000 description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 206010020772 Hypertension Diseases 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000035475 disorder Diseases 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 206010059245 Angiopathy Diseases 0.000 description 1
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 206010021133 Hypoventilation Diseases 0.000 description 1
- 206010041235 Snoring Diseases 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000981 epithelium Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 208000018875 hypoxemia Diseases 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 208000002815 pulmonary hypertension Diseases 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a kind of position and rotate instrument control circuit, by Single-chip Controlling, it is characterized in that: also comprise aeration circuit, venting circuit, digital body position sensor circuit, gasbag pressure testing circuit, mu balanced circuit, battery power detection circuit and sound light alarming circuit.This utility model overcomes patient in the process of monitoring and there is monitoring of being in hospital, and, difficulty falling asleep, sensor strong to sleep environment dependency are easy to shortcomings such as coming off.We adopt large volume back aerating gasbag; Instrumentation is simple, it is small and exquisite, easy to carry to design, expense is low, while not affecting patient sleeps's quality, improves the sleep state of patient further, is specially adapted to the patient of obstructive sleep apnea.
Description
technical field
This utility model relates to armarium control circuit, is specifically related to a kind of control circuit be applied in the position rotation instrument of Obstructive Sleep Apnea patient.
Background technology
Obstructive Sleep Apnea (OSAS) is the proemial disease of a kind of tool in sleeping disorders, refer to and block the sleep apnea that causes and hypoventilation, with diseases such as snoring, Sleep architecture disorder, the blood oxygen saturation that takes place frequently reduction, daytime drowsiness because epithelium healing subsides in sleep procedure.Research shows, obstructive sleep apnea syndrome and hypertension, pulmonary hypertension, arrhythmia, ischemic heart desease, cerebrovas-cularaccident are relevant, are the high risk factors of cardio-cerebral-pulmo angiopathy.The health issued according to hygiene department is reported, and crowd's sickness rate of obstructive sleep apnea syndrome is 2%-4%, and over-65s old people prevalence reaches 20%-40%, and at Prevalence of Hypertension even up to 50%-90%.At present, China has the patient of the sleep apnea syndrome of about 5,000 ten thousand.
For obstructive sleep apnea syndrome general treatment be divided into: fat-reducing, lateral position sleep, continuous positive airway, appliance treatment, operative treatment etc. are several.
Conclusion according to clinical research draws: " for the relation between obstructive sleep apnea syndrome and position; position when this result of study shows obstructive sleep apnea syndrome patient sleeps obviously can have influence on the order of severity of sleep apnea and anoxia; that is during dorsal position, patient's above-mentioned symptom is more serious; and during lateral position, symptom obviously alleviates; show as AHI index less; in sleep, minimum blood oxygen level is higher, the generation minimizing etc. of asphyxia and hypoxemia in sleep.
Utility model content
In order to reduce the burden of sufferer, adapt to the demand in market, it is core with low-power scm that this utility model provides a kind of, the inner device adopting digital body position sensor, the position chanP of monitoring human in sleep procedure, according to the change of position, makes patient keep lateral position.
The technical solution adopted in the utility model is: a kind of position rotates instrument control circuit, by Single-chip Controlling, it is characterized in that: also comprise aeration circuit, venting circuit, digital body position sensor circuit, gasbag pressure testing circuit, mu balanced circuit, battery power detection circuit and sound light alarming circuit; Described aeration circuit and venting circuit lead to 6 feet and 7 feet that meet single-chip microcomputer U2 respectively, numeral body position sensor circuit is connected with 2,3,8,9 feet of single-chip microcomputer U2 respectively, gasbag pressure testing circuit is connected with 4 feet of single-chip microcomputer U2, mu balanced circuit is connected to battery the two poles of the earth, battery electric quantity inspection car circuit is connected with anode, the other end connects 5 feet of single-chip microcomputer U2, sound light alarming circuit connects 12 feet and 13 feet of single-chip microcomputer U2 respectively, 1 foot of single-chip microcomputer U2 is connected with supply voltage, the 14 foot ground connection of single-chip microcomputer U2.
Further, aeration circuit comprises air pump MG1, diode D2, switching tube Q2, resistance R16 form; Air pump positive source connects supply voltage, and is connected with diode D2 negative pole, and air pump power cathode is connected with the positive pole of diode D2, and is connected with the colelctor electrode of switching tube Q2, the grounded emitter of switching tube Q2; The base stage of switching tube Q2 is connected with resistance R16 one end, and the other one end of resistance R16 is connected with 6 feet of single-chip microcomputer U2.
Further, circuit comprises electromagnetic valve DS1, diode D1, switching tube Q1, resistance R15 form in venting; Electromagnetic valve DS1 positive source connects supply voltage, and is connected with diode D1 negative pole, and electromagnetic valve negative pole is connected with the positive pole of diode D1, and the colelctor electrode of connecting valve pipe Q1; The grounded emitter of switching tube Q1; Switching tube Q1 base stage is connected with resistance R15 one end, and the other one end of resistance R15 is connected with 7 feet of single-chip microcomputer U2.
Further, digital body position sensor circuit is by liquid switch S 1, liquid switch S 2, liquid switch S 3, liquid switch S 4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8; Electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 composition, liquid switch S 1 one end are connected with resistance R1, resistance R2 one end, another termination power of resistance R1+3V voltage; The resistance R2 other end is connected with polarity free capacitor C1 one end, and is connected with 3 feet of U2, the other end ground connection of polarity free capacitor C1; Liquid switch S 2 one end is connected with resistance R3, resistance R4 one end, another termination supply voltage of resistance R3; The other end of resistance R4 is connected with polarity free capacitor C2 one end, and is connected with 8 feet of single-chip microcomputer U2, other one end ground connection of polarity free capacitor C2; Liquid switch S 3 one end is connected with resistance R5, resistance R6 one end, another termination supply voltage of resistance R5; The resistance R6 other end is connected with polarity free capacitor C3 one end, and is connected with 9 feet of single-chip microcomputer U2, the other end ground connection of polarity free capacitor C3; Liquid switch S 4 one end is connected with resistance R7, resistance R8 one end, another termination supply voltage of resistance R7; The resistance R8 other end is connected with polarity free capacitor C4 one end, and is connected with 2 feet of single-chip microcomputer U2, the other end ground connection of polarity free capacitor C4.
Further, gasbag pressure testing circuit is made up of pressure transducer U3, amplifier U4, resistance R9, resistance R10, resistance R11; 2 feet of pressure transducer U3 connect supply voltage, and 5 feet of pressure transducer U3 are connected with resistance R11 one end, the other end ground connection of resistance R11; 1 foot of pressure transducer U3 is connected with 6 feet, and is connected with 2 feet of amplifier U4; 3 feet of pressure transducer U3 are connected with 3 feet of amplifier U4; 4 feet of pressure transducer U3 are unsettled; 1 foot of amplifier U4 is connected with one end of resistance R10, and the other end of resistance R10 is connected with 8 feet of amplifier U4; 6 feet of amplifier U4 are connected with resistance R9 one end, and the other one end of resistance R9 is connected with 4 feet of single-chip microcomputer U2; 7 of amplifier U4 connects supply voltage; 4, the 5 foot ground connection of amplifier U4.
Further, mu balanced circuit is made up of voltage stabilizing chip U1, polar capacitor E1, polar capacitor E2; 1 foot of voltage stabilizing chip U1 is connected with the negative pole of polar capacitor E1 with E2 and connects the negative pole of battery, and 2 feet of voltage stabilizing chip U1 are connected with the positive pole of polar capacitor E1, and connect the positive pole of battery; 3 feet of voltage stabilizing chip U1 are connected with the positive pole of polar capacitor E2.
Further, battery power detection circuit is made up of resistance R12 and resistance R13; Resistance R12 one end is connected with anode, and the other end of resistance R12 is connected with one end of resistance R13, and is connected to 5 feet of single-chip microcomputer U2; Other one end of resistance R13 connects ground.
Further, sound and light alarm circuit is made up of light emitting diode D3, audion Q3, audion Q4, buzzer LS1, resistance R17, resistance R18, resistance R19, resistance R20; The positive pole of light emitting diode D3 is connected with supply voltage, the negative pole of light emitting diode D3 is connected with resistance R18 one end, the resistance R18 other end is connected with the colelctor electrode of audion Q3, audion Q3 emitter stage connects ground, audion Q3 base stage is connected with resistance R17 one end, and the other one end of resistance R17 is connected with 13 feet of single-chip microcomputer U2; Buzzer LS1 positive pole is connected with supply voltage, buzzer LS1 negative pole is connected with resistance R20 one end, the resistance R20 other end is connected with audion Q4 colelctor electrode, audion Q4 emitter stage connects ground, audion Q4 base stage is connected with resistance R19 one end, and the other one end of resistance R19 is connected with 12 feet of single-chip microcomputer U2.
The beneficial effect that this utility model produces is: this device overcomes patient in the process of monitoring and there is monitoring of being in hospital, and, difficulty falling asleep, sensor strong to sleep environment dependency are easy to shortcomings such as coming off.We adopt large volume back aerating gasbag; Instrumentation is simple, it is small and exquisite, easy to carry to design, expense is low, while not affecting patient sleeps's quality, improves the sleep state of patient further, is specially adapted to the patient of obstructive sleep apnea.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is the structural representation of a kind of embodiment of this utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described:
As shown in Figure 1, this utility model, is made up of aeration circuit, venting circuit, digital body position sensor circuit, gasbag pressure testing circuit, mu balanced circuit, battery power detection circuit and sound light alarming circuit for core controls with low-power scm MSP430G2231.
Aeration circuit comprises air pump MG1, diode D2, switching tube Q2 and resistance R16 and forms.Air pump positive source connects 4.5V supply voltage, and is connected with one end of diode D2, and air pump power cathode is connected with the other one end of diode D2, and connecting valve pipe Q2 colelctor electrode.The grounded emitter of switching tube Q2, switching tube Q2 base stage is connected with resistance R16 one end, and the resistance R16 other end is connected with 6 feet of single-chip microcomputer U2.
Venting circuit comprises electromagnetic valve DS1, diode D1, switching tube Q1 and resistance R15 and forms.Electromagnetic valve DS1 positive source connects 4.5V supply voltage, and be connected with diode D1 one end, the negative pole of electromagnetic valve DS1 is connected with the other end of diode D1, and the colelctor electrode of connecting valve pipe Q1, the grounded emitter of switching tube Q1, switching tube Q1 base stage is connected with resistance R15 one end, and the other one end of resistance R15 is connected with 7 feet of single-chip microcomputer U2.
Numeral body position sensor circuit is made up of liquid switch S 1, liquid switch S 2, liquid switch S 3, liquid switch S 4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8 and polarity free capacitor C1, polarity free capacitor C2, polarity free capacitor C3, polarity free capacitor C4.One end of liquid switch S 1 is connected with resistance R1, R2 one end, another termination power of resistance R1+3V voltage; The resistance R2 other end is connected with polarity free capacitor C1 one end, and is connected with 3 feet of U2, the other end ground connection of polarity free capacitor C1.One end of liquid switch S 2 is connected with resistance R3, R4 one end, another termination power+3V voltage of resistance R3; The resistance R4 other end is connected with polarity free capacitor C2 one end, and is connected with 8 feet of single-chip microcomputer U2, the other end ground connection of polarity free capacitor C2.One end of liquid switch S 3 is connected with resistance R5, R6 one end, another termination power+3V voltage of resistance R5; The other end of resistance R6 is connected with polarity free capacitor C3 one end, and is connected with 9 feet of single-chip microcomputer U2, the other end ground connection of polarity free capacitor C3.Liquid switch S 4 one end is connected with resistance R7, R8 one end, another termination power+3V voltage of resistance R7; The resistance R8 other end is connected with one end of polarity free capacitor C4, and is connected with 2 feet of single-chip microcomputer U2, the other end ground connection of polarity free capacitor C4.2,3,8,9 feet of single-chip microcomputer U2 are configured to IN state by internal register, when sufferer position is dorsal position, internal register reads in data is 0000, when sufferer position is ventricumbent position, internal register reads in data is 1111, and the numerical value that reads in addition can task sufferer position be then left and right sides clinostatism.
Gasbag pressure testing circuit is made up of pressure transducer U3, amplifier U4 and resistance R9, resistance R10, resistance R11.2 feet of pressure transducer U3 meet power supply+3V, and 5 feet of pressure transducer U3 are connected with resistance R11 one end, the other end ground connection of resistance R11; 1 foot of pressure transducer U3 is connected with 6 feet, and is connected with 2 feet of amplifier U4; 3 feet of pressure transducer U3 are connected with 3 feet of amplifier U4; 4 feet of pressure transducer U3 are unsettled.1 foot of amplifier U4 is connected with one end of resistance R10, and the other end of resistance R10 is connected with 8 feet of amplifier U4; 6 feet of amplifier U4 are connected with resistance R9 one end, and the other one end of resistance R9 is connected with 4 of single-chip microcomputer U2; 7 feet of amplifier U4 meet power supply+3V; 4, the 5 foot ground connection of amplifier U4.4 feet of single-chip microcomputer U2 are configured to the input pin of 10 A/D rots by internal register, and are set as internal reference voltage.Pressure transducer U3 and amplifier U4 decomposition pressure linear amplifier circuit, and be input to the AD input of single-chip microcomputer U2, when detecting that back gasbag pressure reaches certain numerical value, by 6, the 7 foot control inflation/deflation circuit of single-chip microcomputer U2.
Mu balanced circuit is made up of voltage stabilizing chip U1, polar capacitor E1 and polar capacitor E2.1 foot of voltage stabilizing chip U1 and be connected with the negative pole of polar capacitor E1 and polar capacitor E2 and connect the negative pole of battery, 2 feet of voltage stabilizing chip U1 are connected with the positive pole of polar capacitor E1, and connect the positive pole of battery; 3 feet of voltage stabilizing chip U1 are connected with the positive pole of polar capacitor E2, by voltage stabilizing chip U1 for whole circuit provides+3V voltage.
6,7 feet of single-chip microcomputer U2 are configured to OUT state by internal register.When the digital body position sensor state of reading in is 0000,6,7 feet of single-chip microcomputer U2 export high level, then start back airbag aeration, the gas leakage of shut electromagnetic valve control simultaneously.When air bag pressure detection reaches certain numerical value, the 6 foot output low levels of single-chip microcomputer U2, stop inflation; 6 feet of single-chip microcomputer U2 export high level, shut electromagnetic valve, keep air bag pressure.When digital body position sensor state of reading in is not 0000 or 1111, and when air bag pressure detection reaches certain numerical value, the 6 foot output low levels of single-chip microcomputer U2, open electromagnetic valve, and to back air bag deflation.
Described battery power detection circuit is made up of resistance R12 and R13; Resistance R12 one end is connected with anode, and the other end of resistance R12 is connected with one end of resistance R13, and is connected to 5 feet of single-chip microcomputer U2, and other one end of resistance R13 connects ground.3,4,10,11 feet of single-chip microcomputer U2 all connect the connector Z1 of JTAG debugging interface, and 5,4,3,2 feet of corresponding connector Z1,1 foot contact resistance R14 and the supply voltage respectively of connector Z1, the other end of resistance R14 connects 10 feet of single-chip microcomputer U2.
Described sound and light alarm circuit is made up of light emitting diode D3, audion Q3, audion Q4, buzzer LS1 and resistance R17, resistance R18, resistance R19, resistance R20; The positive pole of light emitting diode D3 is connected with power supply+3V, the negative pole of light emitting diode D3 is connected with resistance R18 one end, the resistance R18 other end is connected with the colelctor electrode of audion Q3, audion Q3 emitter stage connects ground, audion Q3 base stage is connected with resistance R17 one end, and the resistance R17 other end is connected with 13 feet of single-chip microcomputer U2.Buzzer LS1 positive pole is connected with supply voltage, buzzer LS1 negative pole is connected with resistance R20 one end, the resistance R20 other end is connected with audion Q4 colelctor electrode, audion Q4 emitter stage connects ground, audion Q4 base stage is connected with resistance R19 one end, and the other one end of resistance R19 is connected with 12 feet of single-chip microcomputer U2.When battery electric quantity is less than 3V, buzzer sends the alarm sound of a 2.5kHz each second, and light emitting diode D3 starts with the flicker of 1Hz frequency.
Fig. 2 is an embodiment of the present utility model.Position is rotated instrument 4 and is tied up in sufferer breast abdomen front by fixing band 1, and back air bag 2 is fixed on sufferer back, and gas tube 3 connects position and rotates instrument 4 and back air bag 2.Switch on power, position rotates instrument 4 and judges whether sufferer position is in dorsal position by digital body position sensor, if left and right sides clinostatism, does not inflate back air bag 2, if dorsal position then starts inflate back air bag 2 and detect air bag pressure simultaneously.When air bag pressure reaches setting pressure, automatically stop inflation, and keep this gasbag pressure constant, detect sufferer position by digital body position sensor simultaneously, if sufferer is dorsal position, then maintains back air bag 2 pressure constant, then start venting if it is determined that sufferer position is left and right sides clinostatism.
As long as digital body position sensor has position chanP, then this equipment judges position automatically, implements inflation/deflation, reaches the object of Intelligent adjustment sufferer position.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, other amendments that those of ordinary skill in the art make the technical solution of the utility model or equivalently to replace, only otherwise depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. position rotates an instrument control circuit, by Single-chip Controlling, it is characterized in that: also comprise aeration circuit, venting circuit, digital body position sensor circuit, gasbag pressure testing circuit, mu balanced circuit, battery power detection circuit and sound light alarming circuit; Described aeration circuit is connected 6 feet and 7 feet of single-chip microcomputer U2 respectively with venting circuit, numeral body position sensor circuit is connected with 2,3,8,9 feet of single-chip microcomputer U2 respectively, gasbag pressure testing circuit is connected with 4 feet of single-chip microcomputer U2, mu balanced circuit is connected to battery the two poles of the earth, battery electric quantity inspection car circuit is connected with anode, the other end connects 5 feet of single-chip microcomputer U2, sound light alarming circuit connects 12 feet and 13 feet of single-chip microcomputer U2 respectively, 1 foot of single-chip microcomputer U2 is connected with supply voltage, the 14 foot ground connection of single-chip microcomputer U2.
2. a kind of position according to claim 1 rotates instrument control circuit, it is characterized in that: aeration circuit comprises air pump MG1, diode D2, switching tube Q2, resistance R16 form; Air pump positive source connects supply voltage, and is connected with diode D2 negative pole, and air pump power cathode is connected with the positive pole of diode D2, and is connected with the colelctor electrode of switching tube Q2, the grounded emitter of switching tube Q2; The base stage of switching tube Q2 is connected with resistance R16 one end, and the other one end of resistance R16 is connected with 6 feet of single-chip microcomputer U2.
3. a kind of position according to claim 1 rotates instrument control circuit, it is characterized in that: circuit comprises electromagnetic valve DS1, diode D1, switching tube Q1, resistance R15 form in venting; Electromagnetic valve DS1 positive source connects supply voltage, and is connected with diode D1 negative pole, and electromagnetic valve negative pole is connected with the positive pole of diode D1, and the colelctor electrode of connecting valve pipe Q1; The grounded emitter of switching tube Q1; Switching tube Q1 base stage is connected with resistance R15 one end, and the other one end of resistance R15 is connected with 7 feet of single-chip microcomputer U2.
4. a kind of position according to claim 1 rotates instrument control circuit, it is characterized in that: digital body position sensor circuit is by liquid switch S 1, liquid switch S 2, liquid switch S 3, liquid switch S 4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8; Electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4 composition, liquid switch S 1 one end are connected with resistance R1, resistance R2 one end, another termination power of resistance R1+3V voltage; The resistance R2 other end is connected with polarity free capacitor C1 one end, and is connected with 3 feet of U2, the other end ground connection of polarity free capacitor C1; Liquid switch S 2 one end is connected with resistance R3, resistance R4 one end, another termination supply voltage of resistance R3; The other end of resistance R4 is connected with polarity free capacitor C2 one end, and is connected with 8 feet of single-chip microcomputer U2, other one end ground connection of polarity free capacitor C2; Liquid switch S 3 one end is connected with resistance R5, resistance R6 one end, another termination supply voltage of resistance R5; The resistance R6 other end is connected with polarity free capacitor C3 one end, and is connected with 9 feet of single-chip microcomputer U2, the other end ground connection of polarity free capacitor C3; Liquid switch S 4 one end is connected with resistance R7, resistance R8 one end, another termination supply voltage of resistance R7; The resistance R8 other end is connected with polarity free capacitor C4 one end, and is connected with 2 feet of single-chip microcomputer U2, the other end ground connection of polarity free capacitor C4.
5. a kind of position according to claim 1 rotates instrument control circuit, it is characterized in that: gasbag pressure testing circuit is made up of pressure transducer U3, amplifier U4, resistance R9, resistance R10, resistance R11; 2 feet of pressure transducer U3 connect supply voltage, and 5 feet of pressure transducer U3 are connected with resistance R11 one end, the other end ground connection of resistance R11; 1 foot of pressure transducer U3 is connected with 6 feet, and is connected with 2 feet of amplifier U4; 3 feet of pressure transducer U3 are connected with 3 feet of amplifier U4; 4 feet of pressure transducer U3 are unsettled; 1 foot of amplifier U4 is connected with one end of resistance R10, and the other end of resistance R10 is connected with 8 feet of amplifier U4; 6 feet of amplifier U4 are connected with resistance R9 one end, and the other one end of resistance R9 is connected with 4 feet of single-chip microcomputer U2; 7 of amplifier U4 connects supply voltage; 4, the 5 foot ground connection of amplifier U4.
6. a kind of position according to claim 1 rotates instrument control circuit, it is characterized in that: mu balanced circuit is made up of voltage stabilizing chip U1, polar capacitor E1, polar capacitor E2; 1 foot of voltage stabilizing chip U1 is connected with the negative pole of polar capacitor E1 with E2 and connects the negative pole of battery, and 2 feet of voltage stabilizing chip U1 are connected with the positive pole of polar capacitor E1, and connect the positive pole of battery; 3 feet of voltage stabilizing chip U1 are connected with the positive pole of polar capacitor E2.
7. a kind of position according to claim 1 rotates instrument control circuit, it is characterized in that: battery power detection circuit is made up of resistance R12 and resistance R13; Resistance R12 one end is connected with anode, and the other end of resistance R12 is connected with one end of resistance R13, and is connected to 5 feet of single-chip microcomputer U2; Other one end of resistance R13 connects ground.
8. a kind of position according to claim 1 rotates instrument control circuit, it is characterized in that: sound and light alarm circuit is made up of light emitting diode D3, audion Q3, audion Q4, buzzer LS1, resistance R17, resistance R18, resistance R19, resistance R20; The positive pole of light emitting diode D3 is connected with supply voltage, the negative pole of light emitting diode D3 is connected with resistance R18 one end, the resistance R18 other end is connected with the colelctor electrode of audion Q3, audion Q3 emitter stage connects ground, audion Q3 base stage is connected with resistance R17 one end, and the other one end of resistance R17 is connected with 13 feet of single-chip microcomputer U2; Buzzer LS1 positive pole is connected with supply voltage, buzzer LS1 negative pole is connected with resistance R20 one end, the resistance R20 other end is connected with audion Q4 colelctor electrode, audion Q4 emitter stage connects ground, audion Q4 base stage is connected with resistance R19 one end, and the other one end of resistance R19 is connected with 12 feet of single-chip microcomputer U2.
Priority Applications (1)
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CN201420379631.4U CN204133677U (en) | 2014-07-10 | 2014-07-10 | Position rotates instrument control circuit |
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CN201420379631.4U CN204133677U (en) | 2014-07-10 | 2014-07-10 | Position rotates instrument control circuit |
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CN201420379631.4U Expired - Lifetime CN204133677U (en) | 2014-07-10 | 2014-07-10 | Position rotates instrument control circuit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104055616A (en) * | 2014-07-10 | 2014-09-24 | 河南华南医电科技有限公司 | Control circuit for position rotating instrument |
WO2016004736A1 (en) * | 2014-07-10 | 2016-01-14 | 郑伟 | Intelligent body position rotation instrument |
-
2014
- 2014-07-10 CN CN201420379631.4U patent/CN204133677U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104055616A (en) * | 2014-07-10 | 2014-09-24 | 河南华南医电科技有限公司 | Control circuit for position rotating instrument |
CN104055616B (en) * | 2014-07-10 | 2015-11-18 | 河南华南医电科技有限公司 | Position rotates instrument control circuit |
WO2016004736A1 (en) * | 2014-07-10 | 2016-01-14 | 郑伟 | Intelligent body position rotation instrument |
WO2016004735A1 (en) * | 2014-07-10 | 2016-01-14 | 郑伟 | Control circuit for body position rotation instrument |
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