CN109044291A - System is monitored based on Internet of Things hospital patient - Google Patents
System is monitored based on Internet of Things hospital patient Download PDFInfo
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- CN109044291A CN109044291A CN201810720456.3A CN201810720456A CN109044291A CN 109044291 A CN109044291 A CN 109044291A CN 201810720456 A CN201810720456 A CN 201810720456A CN 109044291 A CN109044291 A CN 109044291A
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- 239000003990 capacitor Substances 0.000 claims abstract description 90
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000008054 signal transmission Effects 0.000 claims abstract description 14
- 238000007493 shaping process Methods 0.000 claims abstract description 10
- 239000003381 stabilizer Substances 0.000 claims abstract description 10
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 238000013461 design Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 description 36
- 230000000694 effects Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 4
- 230000003321 amplification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009123 feedback regulation Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
- A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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Abstract
The invention discloses monitor system based on Internet of Things hospital patient, including signal receiving circuit, stable state difference channel and voltage-stabilizing output circuit, the signal receiving circuit receives the signal based on controlling terminal signal transmission passage input terminal in Internet of Things hospital patient monitoring system, through inductance L1, capacitor C1, capacitor C2, resistance R1 and inductance L2, the duplexing filter circuit of capacitor C3 composition filters out High-frequency Interference and low-frequency disturbance, the stable state difference channel receives signal receiving circuit output signal, with triode Q1, triode Q2 and capacitor C7, pulse width shaping is fixed to signal in the steady-state circuit of capacitor C8 composition, then transport and placing device AR2 is used, transport and placing device AR1 and transport and placing device AR3 composition differential comparison circuit accurately amplifies signal, the last voltage-stabilizing output circuit uses triode It is exported after the triode voltage regulator circuit pressure stabilizing of Q5, voltage-stabiliser tube D3 composition, signal can be calibrated automatically, prevent distorted signals.
Description
Technical field
The present invention relates to field of circuit technology, monitor system more particularly to based on Internet of Things hospital patient.
Background technique
China is populous nation, and high-quality medical resource is limited, and it is overstaffed to result in key city large hospital in this way,
Bring very big challenge hospital due to its specific function and the requirement of patient body rehabilitation, hospital internal to the internal control of hospital
If for environment, the stream of people, important lesion control, special medical area monitoring and antitheft etc. having its strict requirements artificial
Management and protection, at high cost, low efficiency is based on the above hospital management status, using wireless sensor network and embedded system
Technology, be acquired for information such as the body temperature of patient, blood pressure, doctor's visiting tours, in a manner of multi-hop relay by information collected
It it is transmitted to central node, and is forwarded to monitoring equipment and completes data processing and reception, low cost, high reliability, high-speed are provided
Patient monitoring system, to realize hospital's intelligent management；
However the patient in hospital is often more, and the electronic equipment carried is also more, in complicated network information exchange process
In, need real-time ensuring can based on the signal in controlling terminal signal transmission passage in Internet of Things hospital patient monitoring system
Stable stabilization and efficient transmission, avoid the electromagnetic interference between the interference or numerous signals due to various electronic equipments,
Lead to distorted signals, causes unthinkable loss to hospital or patient.
So the present invention provides the new scheme of one kind to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, purpose of the present invention is to provide be based on Internet of Things hospital
Patient monitoring system, have be skillfully constructed, the characteristic of human oriented design, real-time detection be based on Internet of Things hospital patient monitor system
Signal in middle controlling terminal signal transmission passage, and signal can be calibrated automatically, prevent distorted signals.
Its technical solution solved is, poor based on Internet of Things hospital patient monitoring system, including signal receiving circuit, stable state
Parallel circuit and voltage-stabilizing output circuit, the signal receiving circuit are received based on controlling terminal in Internet of Things hospital patient monitoring system
With the signal of signal transmission passage input terminal, formed through inductance L1, capacitor C1, capacitor C2, resistance R1 and inductance L2, capacitor C3
Duplexing filter circuit filters out High-frequency Interference and low-frequency disturbance, enters double T frequency-selectings electricity of resistance R2 ~ R4, capacitor C4 ~ C6 composition later
Road filters out the single-frequency signals in signal, and the stable state difference channel receives signal receiving circuit output signal, with three
Pulse width shaping is fixed to signal in the steady-state circuit that pole pipe Q1, triode Q2 and capacitor C7, capacitor C8 are formed, and then transports
Signal is accurately amplified with transport and placing device AR2, transport and placing device AR1 and transport and placing device AR3 composition differential comparison circuit, wherein designing triode
The quiescent point of Q3 feedback regulation steady-state circuit, the last voltage-stabilizing output circuit are formed with triode Q5, voltage-stabiliser tube D3
Triode voltage regulator circuit pressure stabilizing after export, that is to say input based on controlling terminal signal in Internet of Things hospital patient monitoring system
In transmission channel；
The stable state difference channel includes triode Q1, and the emitter of triode Q1 is grounded, the base stage connecting resistance R6 of triode Q1,
The cathode of one end of resistance R10 and one end of capacitor C8 and diode D1, collector connecting resistance R8, the resistance R9 of triode Q1
One end and capacitor C7 one end, the other end of another termination capacitor C7 of resistance R9, one end of resistance R7 and diode D2
The base stage of cathode and triode Q2, the emitter ground connection of another termination power+5V of resistance R6, resistance R7, triode Q2, three
Collector connecting resistance R10, the other end of capacitor C8 and the hair of resistance R11, one end of resistance R12 and triode Q3 of pole pipe Q2
One end of emitter-base bandgap grading, inductance L4, the emitter ground connection of another termination power -10V of resistance R8, resistance R11, triode Q2, resistance
One end of another termination capacitor C9 of R12, the other end of another termination inductance L4, the base stage of triode Q3 and three poles of capacitor C9
One end of the base stage of pipe Q4 and resistance R13, transport and placing device AR2 non-inverting input terminal, the collector connecting resistance R5's of triode Q4
One end, the anode of another terminating diode D1 of resistance R5, diode D2, the emitter of triode Q4 connect the same of transport and placing device AR1
Phase input terminal, one end of the anti-phase input terminating resistor R15 of transport and placing device AR1, one end of another terminating resistor R16 of resistance R15
With the inverting input terminal of transport and placing device AR2, the contact 2 of another termination variable resistance RP2 of resistance R16, the contact of variable resistance RP2
1 meets power supply+15V, and the contact 3 of variable resistance RP2 meets power supply -15V, the other end of the output terminating resistor R13 of transport and placing device AR2 and
One end of resistance R14 and one end of resistance R17, the collector of another termination triode Q3 of resistance R14, resistance R17's is another
The inverting input terminal of one termination transport and placing device AR3, one end of the homophase input terminating resistor R18 of transport and placing device AR3, resistance R18's is another
The output end of one termination transport and placing device AR1.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
Believe 1. being exported with the steady-state circuit of triode Q1, triode Q2 and capacitor C7, capacitor C8 composition to signal receiving circuit
Pulse width shaping number is fixed, signal receiving circuit output signal is the trigger signal of steady-state circuit, and steady-state circuit is by temporary
Lower state becomes lower state, can effectively filter out the clutter in signal, while playing the effect of fixed pulse width shaping
Then in fact fruit is accurately amplified signal with transport and placing device AR2, transport and placing device AR1 and transport and placing device AR3 composition differential comparison circuit, i.e.,
Show the power amplification of signal, and the stabilization of the signal guaranteed, wherein by the resistance value for adjusting variable resistance RP2, it is adjustable
The amplitude size of difference channel output signal.
2. containing abnormal signal in the output for anti-stop signal, triode Q3, triode Q4 are devised, when signal high level
When abnormal, triode Q3 conducting, the quiescent point of triode Q3 feedback regulation steady-state circuit, playing reduces steady-state circuit output
The effect of signal, when signal low level exception, triode Q4 conducting, transport and placing device AR1 non-inverting input terminal current potential is increased at this time,
It is that difference channel output signal becomes larger, to play the effect of automatic calibration signal, substantially increases the stability of signal, keep away
Distorted signals is exempted from.
3. inductance L1, capacitor C1, capacitor C2, resistance R1 composition high-pass filtering circuit remove in signal unnecessary low frequency at
Point, inductance L2, capacitor C3 composition low-pass filter circuit remove unnecessary radio-frequency component in signal, obtain desired difference frequency signal
15Hz-100Hz signal, the double T frequency selection circuits for entering resistance R2 ~ R4, capacitor C4 ~ C6 composition later generate and signal transmission passage
The 45Hz low frequency signal of interior signal frequency resonance is to rear class circuit transmission, higher or lower than the high fdrequency component or low frequency point of critical value
Amount is blocked, decays, namely filters out the single-frequency 45Hz signal in signal transmission passage, can effectively guarantee signal height
The transmission of effect.
Detailed description of the invention
Fig. 1 is that the present invention is based on the module maps that Internet of Things hospital patient monitors system.
Fig. 2 is that the present invention is based on the schematic diagrams that Internet of Things hospital patient monitors system.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
Embodiment one monitors system based on Internet of Things hospital patient, including signal receiving circuit, stable state difference channel and steady
Voltage follower circuit, the signal receiving circuit, which is received, to be transmitted based on controlling terminal in Internet of Things hospital patient monitoring system with signal
The signal of path input, the duplexing filtered electrical formed through inductance L1, capacitor C1, capacitor C2, resistance R1 and inductance L2, capacitor C3
Road filters out High-frequency Interference and low-frequency disturbance, and the double T frequency selection circuits for entering resistance R2 ~ R4, capacitor C4 ~ C6 composition later filter out letter
Single-frequency signals in number, the stable state difference channel receives signal receiving circuit output signal, with triode Q1, three poles
Pulse width shaping is fixed to signal in the steady-state circuit of pipe Q2 and capacitor C7, capacitor C8 composition, then uses transport and placing device
AR2, transport and placing device AR1 and transport and placing device AR3 composition differential comparison circuit accurately amplify signal, wherein design triode Q3 feedback is adjusted
The quiescent point of steady-state circuit is saved, the last voltage-stabilizing output circuit uses the triode of triode Q5, voltage-stabiliser tube D3 composition
It is exported after voltage regulator circuit pressure stabilizing, that is to say input based on controlling terminal signal transmission passage in Internet of Things hospital patient monitoring system
It is interior；
The steady-state circuit that the stable state difference channel is formed with triode Q1, triode Q2 and capacitor C7, capacitor C8 is to signal
It receives circuit output signal and pulse width shaping is fixed, signal receiving circuit output signal is that the triggering of steady-state circuit is believed
Number, steady-state circuit becomes lower state by temporary lower state, can effectively filter out the clutter in signal, while playing fixed arteries and veins
The effect of width shaping is rushed, then with transport and placing device AR2, transport and placing device AR1 and transport and placing device AR3 composition differential comparison circuit to signal
Accurate amplification realizes the power amplification of signal, and the stabilization of the signal guaranteed, wherein by adjusting variable resistance RP2's
Resistance value, the amplitude size of adjustable difference channel output signal contain abnormal signal for anti-stop signal in the output, devise
Triode Q3, triode Q4, when signal high level exception, triode Q3 conducting, triode Q3 feedback regulation steady-state circuit
Quiescent point plays the effect for reducing steady-state circuit output signal, when signal low level exception, triode Q4 conducting, this
When transport and placing device AR1 non-inverting input terminal current potential increase, that is to say that difference channel output signal becomes larger, to play automatic calibration signal
Effect, substantially increase the stability of signal, avoid distorted signals；
The stable state difference channel specific structure, the emitter ground connection of triode Q1, base stage connecting resistance R6, the resistance of triode Q1
The cathode of one end of R10 and one end of capacitor C8 and diode D1, the one of the collector connecting resistance R8 of triode Q1, resistance R9
The one end at end and capacitor C7, the other end of another termination capacitor C7 of resistance R9, one end of resistance R7 and diode D2 cathode
And the base stage of triode Q2, the emitter ground connection of another termination power+5V of resistance R6, resistance R7, triode Q2, triode
The transmitting of the collector connecting resistance R10, the other end and resistance R11, one end of resistance R12 and triode Q3 of capacitor C8 of Q2
Pole, inductance L4 one end, another termination power -10V of resistance R8, resistance R11, triode Q2 emitter ground connection, resistance R12
Another termination capacitor C9 one end, the base stage and triode of the other end of another termination inductance L4 of capacitor C9, triode Q3
One end of the base stage of Q4 and resistance R13, transport and placing device AR2 non-inverting input terminal, the one of the collector connecting resistance R5 of triode Q4
End, the anode of another terminating diode D1 of resistance R5, diode D2, the emitter of triode Q4 connect the same phase of transport and placing device AR1
Input terminal, one end of the anti-phase input terminating resistor R15 of transport and placing device AR1, one end of another terminating resistor R16 of resistance R15 and
The inverting input terminal of transport and placing device AR2, the contact 2 of another termination variable resistance RP2 of resistance R16, the contact 1 of variable resistance RP2
Meet power supply+15V, the contact 3 of variable resistance RP2 meets power supply -15V, the other end of the output terminating resistor R13 of transport and placing device AR2 and
One end of resistance R14 and one end of resistance R17, the collector of another termination triode Q3 of resistance R14, resistance R17's is another
The inverting input terminal of one termination transport and placing device AR3, one end of the homophase input terminating resistor R18 of transport and placing device AR3, resistance R18's is another
The output end of one termination transport and placing device AR1.
Embodiment two, on the basis of example 1, the signal receiving circuit is received is supervised based on Internet of Things hospital patient
The signal of controlling terminal signal transmission passage input terminal in examining system, through inductance L1, capacitor C1, capacitor C2, resistance R1 and electricity
Sense L2, capacitor C3 composition duplexing filter circuit filter out High-frequency Interference and low-frequency disturbance, wherein inductance L1, capacitor C1, capacitor C2,
Resistance R1 composition high-pass filtering circuit removes unnecessary low-frequency component in signal, and inductance L2, capacitor C3 form low-pass filtering electricity
Unnecessary radio-frequency component in signal is removed on road, obtains desired difference frequency signal 15Hz-100Hz signal, later enter resistance R2 ~
R4, capacitor C4 ~ C6 composition double T frequency selection circuits generate and signal transmission passage in signal frequency resonance 45Hz low frequency signal to
Late-class circuit transmission, high fdrequency component or low frequency component higher or lower than critical value are blocked, decay, namely filter out signal biography
Single-frequency 45Hz signal in defeated channel, the anode of capacitor C1 connect one end and the signal input port of inductance L2, capacitor C2's
Cathode connect capacitor C2 anode and inductance L1 one end, one end of the cathode connecting resistance R18 of capacitor C2, the other end of resistance R1 and
The other end of inductance L1 is grounded, one end of one end of another termination capacitor C3 of inductance L2 and capacitor C4, resistance R2 one end,
The other end of capacitor C3 is grounded, one end of another terminating resistor R3 of resistance R2 and one end of capacitor C6, the other end of capacitor C4
Meet one end of capacitor C5 and one end of resistance R4, the other end ground connection of resistance R4, capacitor C6, another termination capacitor C5 of resistance R3
The other end and triode Q4 collector.
Embodiment three, on the basis of example 1, the voltage-stabilizing output circuit are formed with triode Q5, voltage-stabiliser tube D3
Triode voltage regulator circuit pressure stabilizing after export, that is to say input based on controlling terminal signal in Internet of Things hospital patient monitoring system
In transmission channel, the stability of signal, one end of the collector connecting resistance R19 of triode Q5 and transport and placing device are further improved
The output end of AR3, the other end of the base stage connecting resistance R19 of triode Q5 and the cathode of voltage-stabiliser tube D3, the anode of voltage-stabiliser tube D3 connect
The emitter on ground, triode Q5 connects signal output port.
When the present invention is specifically used, system, including signal receiving circuit, stable state difference are monitored based on Internet of Things hospital patient
Circuit and voltage-stabilizing output circuit, the signal receiving circuit is received to be used based on controlling terminal in Internet of Things hospital patient monitoring system
The signal of signal transmission passage input terminal forms double through inductance L1, capacitor C1, capacitor C2, resistance R1 and inductance L2, capacitor C3
Work filter circuit filters out High-frequency Interference and low-frequency disturbance, and wherein inductance L1, capacitor C1, capacitor C2, resistance R1 form high-pass filtering
Circuit removes unnecessary low-frequency component in signal, and it is unnecessary in signal that inductance L2, capacitor C3 composition low-pass filter circuit remove
Radio-frequency component, obtain desired difference frequency signal 15Hz-100Hz signal, later enter resistance R2 ~ R4, capacitor C4 ~ C6 composition
Double T frequency selection circuits generate the 45Hz low frequency signal with signal frequency resonance in signal transmission passage to rear class circuit transmission, are higher than
Or high fdrequency component lower than critical value or low frequency component are blocked, decay, namely filter out the single frequency in signal transmission passage
Rate 45Hz signal, the steady-state circuit that the stable state difference channel is formed with triode Q1, triode Q2 and capacitor C7, capacitor C8
Pulse width shaping is fixed to signal receiving circuit output signal, signal receiving circuit output signal is the touching of steady-state circuit
It signals, steady-state circuit becomes lower state by temporary lower state, can effectively filter out the clutter in signal, while playing solid
Determine the effect of pulse width shaping, then forms differential comparison circuit pair with transport and placing device AR2, transport and placing device AR1 and transport and placing device AR3
Signal accurately amplifies, that is, realizes the power amplification of signal, and the stabilization of the signal guaranteed, wherein by adjusting variable resistance
The resistance value of RP2, the amplitude size of adjustable difference channel output signal contain abnormal signal for anti-stop signal in the output,
Triode Q3, triode Q4 are devised, when signal high level exception, triode Q3 conducting, triode Q3 feedback regulation stable state
The quiescent point of circuit plays the effect for reducing steady-state circuit output signal, and when signal low level exception, triode Q4 is led
Logical, transport and placing device AR1 non-inverting input terminal current potential increases at this time, that is to say that difference channel output signal becomes larger, to play automatic school
The effect of calibration signal substantially increases the stability of signal, avoids distorted signals；The last voltage-stabilizing output circuit uses three
It is exported after the triode voltage regulator circuit pressure stabilizing of pole pipe Q5, voltage-stabiliser tube D3 composition, that is to say that input is supervised based on Internet of Things hospital patient
In examining system in controlling terminal signal transmission passage.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (3)
1. system, including signal receiving circuit, stable state difference channel and voltage-stabilizing output circuit are monitored based on Internet of Things hospital patient,
It is transmitted based on controlling terminal in Internet of Things hospital patient monitoring system with signal it is characterized in that, the signal receiving circuit is received
The signal of path input, the duplexing filtered electrical formed through inductance L1, capacitor C1, capacitor C2, resistance R1 and inductance L2, capacitor C3
Road filters out High-frequency Interference and low-frequency disturbance, and the double T frequency selection circuits for entering resistance R2 ~ R4, capacitor C4 ~ C6 composition later filter out letter
Single-frequency signals in number, the stable state difference channel receives signal receiving circuit output signal, with triode Q1, three poles
Pulse width shaping is fixed to signal in the steady-state circuit of pipe Q2 and capacitor C7, capacitor C8 composition, then uses transport and placing device
AR2, transport and placing device AR1 and transport and placing device AR3 composition differential comparison circuit accurately amplify signal, wherein design triode Q3 feedback is adjusted
The quiescent point of steady-state circuit is saved, the last voltage-stabilizing output circuit uses the triode of triode Q5, voltage-stabiliser tube D3 composition
It is exported after voltage regulator circuit pressure stabilizing, that is to say input based on controlling terminal signal transmission passage in Internet of Things hospital patient monitoring system
It is interior；
The stable state difference channel includes triode Q1, and the emitter of triode Q1 is grounded, the base stage connecting resistance R6 of triode Q1,
The cathode of one end of resistance R10 and one end of capacitor C8 and diode D1, collector connecting resistance R8, the resistance R9 of triode Q1
One end and capacitor C7 one end, the other end of another termination capacitor C7 of resistance R9, one end of resistance R7 and diode D2
The base stage of cathode and triode Q2, the emitter ground connection of another termination power+5V of resistance R6, resistance R7, triode Q2, three
Collector connecting resistance R10, the other end of capacitor C8 and the hair of resistance R11, one end of resistance R12 and triode Q3 of pole pipe Q2
One end of emitter-base bandgap grading, inductance L4, the emitter ground connection of another termination power -10V of resistance R8, resistance R11, triode Q2, resistance
One end of another termination capacitor C9 of R12, the other end of another termination inductance L4, the base stage of triode Q3 and three poles of capacitor C9
One end of the base stage of pipe Q4 and resistance R13, transport and placing device AR2 non-inverting input terminal, the collector connecting resistance R5's of triode Q4
One end, the anode of another terminating diode D1 of resistance R5, diode D2, the emitter of triode Q4 connect the same of transport and placing device AR1
Phase input terminal, one end of the anti-phase input terminating resistor R15 of transport and placing device AR1, one end of another terminating resistor R16 of resistance R15
With the inverting input terminal of transport and placing device AR2, the contact 2 of another termination variable resistance RP2 of resistance R16, the contact of variable resistance RP2
1 meets power supply+15V, and the contact 3 of variable resistance RP2 meets power supply -15V, the other end of the output terminating resistor R13 of transport and placing device AR2 and
One end of resistance R14 and one end of resistance R17, the collector of another termination triode Q3 of resistance R14, resistance R17's is another
The inverting input terminal of one termination transport and placing device AR3, one end of the homophase input terminating resistor R18 of transport and placing device AR3, resistance R18's is another
The output end of one termination transport and placing device AR1.
2. a kind of intelligent substation's prior-warning device as described in claim 1, which is characterized in that the signal receiving circuit includes
Capacitor C1, the anode of capacitor C1 connect one end and the signal input port of inductance L2, the cathode of capacitor C2 connect capacitor C2 anode and
One end of inductance L1, one end of the cathode connecting resistance R18 of capacitor C2, the other end of resistance R1 and the other end ground connection of inductance L1,
One end of one end of another termination capacitor C3 of inductance L2 and one end of capacitor C4, resistance R2, the other end ground connection of capacitor C3,
One end of another terminating resistor R3 of resistance R2 and one end of capacitor C6, one end of another termination capacitor C5 of capacitor C4 and resistance
One end of R4, the other end ground connection of resistance R4, capacitor C6, the other end of another termination capacitor C5 of resistance R3 and triode Q4's
Collector.
3. a kind of intelligent substation's prior-warning device as claimed in claim 1 or 2, which is characterized in that the voltage-stabilizing output circuit
Including triode Q5, one end of the collector connecting resistance R19 of triode Q5 and the output end of transport and placing device AR3, the base of triode Q5
The other end of pole connecting resistance R19 and the cathode of voltage-stabiliser tube D3, the emitter of the plus earth of voltage-stabiliser tube D3, triode Q5 connect signal
Output port.
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| CN201810720456.3A CN109044291A (en) | 2018-07-03 | 2018-07-03 | System is monitored based on Internet of Things hospital patient |
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| CN201810720456.3A CN109044291A (en) | 2018-07-03 | 2018-07-03 | System is monitored based on Internet of Things hospital patient |
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| CN110244814A (en) * | 2019-05-14 | 2019-09-17 | 郑州工业应用技术学院 | A kind of electromechanics low-voltage equipment power compensating circuit |
| CN111653077A (en) * | 2020-05-28 | 2020-09-11 | 苏龙嘎 | Building construction information monitoring system based on Internet of things |
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| CN109908499A (en) * | 2019-02-18 | 2019-06-21 | 河南中医药大学 | Supersonic therapeutic system |
| CN109889458A (en) * | 2019-02-28 | 2019-06-14 | 闫巧琴 | Library Applying Information Technology management system |
| CN109889458B (en) * | 2019-02-28 | 2021-12-28 | 深圳市信达珑丰科技有限公司 | Library information management system |
| CN110244814A (en) * | 2019-05-14 | 2019-09-17 | 郑州工业应用技术学院 | A kind of electromechanics low-voltage equipment power compensating circuit |
| CN110244814B (en) * | 2019-05-14 | 2020-10-02 | 海南豪杰电子有限公司 | Electromechanical low-voltage equipment power compensation circuit |
| CN111653077A (en) * | 2020-05-28 | 2020-09-11 | 苏龙嘎 | Building construction information monitoring system based on Internet of things |
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Application publication date: 20181221 |