CN108664074A - System is monitored based on Internet of Things hospital environment - Google Patents
System is monitored based on Internet of Things hospital environment Download PDFInfo
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- CN108664074A CN108664074A CN201810719615.8A CN201810719615A CN108664074A CN 108664074 A CN108664074 A CN 108664074A CN 201810719615 A CN201810719615 A CN 201810719615A CN 108664074 A CN108664074 A CN 108664074A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Abstract
The invention discloses monitor system based on Internet of Things hospital environment,The signal receiving circuit receives the signal in data transmission channel in Internet of Things hospital environment monitoring system,Through duplexing filter circuit,Double T frequency selection circuits are generated with the 45Hz low frequency signals of signal frequency resonance in data transmission channel to signal intensifier circuit,With impedance inverter circuit,In-phase proportion amplifying circuit carries out amplitude adjusted,Most exported afterwards through holding circuit,Feedback modulation circuit passes through triode Q1,Resistance R11,The gate circuit and diode D1 on or off and subtracter AR1 of resistance R13 compositions,Difference signal by resistance R6 is coupled to the input terminal of operational amplifier A R2 or by concatenated resistance R5,Resistance R6 is parallel on equivalent resistance,It is linear after so that gain is amplified,The stable terminal server for obtaining signal amplitude and being more effectively transferred to monitoring system.Solve the electromagnetic interference between the interference or numerous signals of electronic equipment and decaying, the problem of leading to distorted signals, be unable to effective monitoring.
Description
Technical field
The present invention relates to hospital environment monitoring technical fields, and system is monitored more particularly to based on Internet of Things hospital environment.
Background technology
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,
Very big challenge is brought to the internal control of hospital, hospital is due to its specific function and the requirement of patient body rehabilitation, hospital internal
For environment, the stream of people, important lesion control, special medical area monitoring and it is antitheft etc. have its strict requirements, currently based on
The hospital environment of technology of Internet of things monitors system, is acquired by data（It is acquired by various sensors, such as humiture passes
Sensor acquires hospital environment humiture information, bacterial turbidity meter carries out hospital environment bacterial concentration detection etc.）, data transmission（Have
Line transmits and wireless transmission, carries out data communication）, Data Analysis Services（It will be at the data analysis of reception by terminal server
Reason）, however present medical environment monitoring system data are more various, along with having various detection devices and doctor in hospital
The electronic equipment that sick people carries is also more, in complicated network information exchange process, needs real-time ensuring terminal server
Transmission can be stablized with the signal in data transmission channel and efficient is avoided due to the interference of various electronic equipments or various
Signal between electromagnetic interference and in the presence of decaying lead to distorted signals, be unable to effective monitoring the problem of.
So the present invention provides a kind of new scheme to solve the problems, such as this.
Invention content
For the above situation, to overcome the defect of the prior art, purpose of the present invention is to provide based on Internet of Things hospital
Environmental monitoring system, have be skillfully constructed, the characteristic of human oriented design, the effective solution interference of electronic equipment or numerous
Electromagnetic interference between signal and presence decaying, the problem of leading to distorted signals, be unable to effective monitoring.
Its technical solution solved is to monitor system based on Internet of Things hospital environment, including signal receiving circuit, signal increase
Forceful electric power road, feedback modulation circuit, which is characterized in that the signal receiving circuit receives number in Internet of Things hospital environment monitoring system
According to the signal in transmission channel, the duplex through inductance L1, capacitance C1, capacitance C2, resistance R1 and inductance L2, capacitance C3 compositions filters
Circuit filters out High-frequency Interference and low-frequency disturbance, enters resistance R2 ~ R4 later, double T frequency selection circuits of capacitance C4 ~ C6 compositions filter out
Single-frequency signals in data transmission channel, the signal intensifier circuit receive the single-frequency letter of signal receiving circuit output
Number, single-frequency signals make inductance L5, L3 and the impedance inverter circuit of capacitance C7, C8 composition export an equivalent resistance, even
It is connected to the in-phase proportion amplifying circuit progress amplitude adjusted of operational amplifier A R2, resistance R8 ~ R10, potentiometer RP2 compositions, finally
Holding circuit through operational amplifier A R3, capacitance C10, diode D2 compositions exports signal that is linear, stablizing, the feedback
Modulation circuit receives the output signal of signal intensifier circuit, passes through the gate circuit of triode Q1, resistance R11, resistance R13 compositions
With diode D1 on or off and subtracter AR1, difference signal is coupled to the input of operational amplifier A R2 by resistance R6
End, or concatenated resistance R5, resistance R6 are parallel on equivalent resistance, the magnification ratio of operational amplifier A R2 is controlled with this,
Wherein resistance R12, triode Q2 are used for returning to zero to operational amplifier A R2, control offset voltage；
The feedback modulation circuit, when output signal is higher, triode Q1, resistance R11, resistance R13 composition gate circuit
Conducting, threshold voltage+6V is connected to the inverting input of operational amplifier A R1, while believing after diode D1 conducting amplitude adjusteds
Number it is connected to the in-phase input end of operational amplifier A R1, after operational amplifier A R1 subtractions, negative signal is coupled through resistance R6
To the input terminal of operational amplifier A R2, to make the output signal of operational amplifier A R2 reduce, when output signal is relatively low, three
The gate circuit cut-off of pole pipe Q1, resistance R11, resistance R13 compositions, while diode D1 cut-offs, operational amplifier A R1 is without input
Signal, concatenated resistance R5 and resistance R6 are parallel to equivalent resistance（The impedance transformation of inductance L5, L3 and capacitance C7, C8 composition
One equivalent resistance of circuit output）On, the input resistance for being connected to operational amplifier A R2 reduces, and operational amplifier A R2's puts
Big multiple increases, and to make the output signal of operational amplifier A R2 improve, resistance R12 acquisitions holding circuit output signal is added to
The emitter of triode Q2, the base voltage of triode Q2（That is electricity of the output voltage of operational amplifier A R2 through voltage-stabiliser tube Z1
Pressure）When acquiring voltage back higher than resistance R12, triode Q2 conductings, signal is added on resistance R9, R10, potentiometer RP2, transports
Calculate the zeroing of amplifier AR2 reverse side.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, feedback modulation circuit receives the output signal of signal intensifier circuit, passes through triode Q1, resistance R11, resistance R13 compositions
Gate circuit and diode D1 on or off and subtracter AR1, difference signal is coupled to operation amplifier by resistance R6
The input terminal of device AR2, or concatenated resistance R5, resistance R6 are parallel on equivalent resistance, operational amplifier A R2 is controlled with this
Magnification ratio, wherein resistance R12, triode Q2 be used for operational amplifier A R2 return to zero, control offset voltage, so that gain is put
The terminal server for obtaining signal amplitude and being more effectively transferred to monitoring system that is linear after big, stablizing.
2. being filtered by the duplexing filter circuit of inductance L1, capacitance C1, capacitance C2, resistance R1 and inductance L2, capacitance C3 compositions
Except High-frequency Interference and low-frequency disturbance, desired difference frequency signal 15Hz-100Hz signals are obtained, enter resistance R2 ~ R4, capacitance later
Double T frequency selection circuits of C4 ~ C6 compositions generate electric to rear class with the 45Hz low frequency signals of signal frequency resonance in data transmission channel
Road is transmitted, and solves the problems, such as the electromagnetic interference between the interference of electronic equipment or numerous signals.
Description of the drawings
Fig. 1 is that the present invention is based on the module maps that Internet of Things hospital environment monitors system.
Fig. 2 is that the present invention is based on the schematic diagrams that Internet of Things hospital environment monitors system.
Specific implementation mode
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 environment, including signal receiving circuit, signal intensifier circuit, anti-
Modulation circuit is presented, the signal receiving circuit receives the signal in data transmission channel in Internet of Things hospital environment monitoring system
(this signal includes the hospital environments information such as temperature, humidity, the bacterial concentration of respective sensor acquisition, and sensing implement body acquired
Journey is the prior art, and this will not be detailed here), it is formed through inductance L1, capacitance C1, capacitance C2, resistance R1 and inductance L2, capacitance C3
Duplexing filter circuit filters out High-frequency Interference and low-frequency disturbance, wherein inductance L1, capacitance C1, capacitance C2, resistance R1 composition high pass filters
Wave circuit removes unnecessary low-frequency component in signal, inductance L2, capacitance C3 composition low-pass filter circuits remove need not in signal
The radio-frequency component wanted obtains desired difference frequency signal 15Hz-100Hz signals, enters resistance R2 ~ R4, capacitance C4 ~ C6 compositions later
Double T frequency selection circuits generate the 45Hz low frequency signals with signal frequency resonance in data transmission channel to rear class circuit transmission, it is high
In or less than critical value high fdrequency component or low frequency component be blocked, decay, namely filter out single in data transmission channel
Frequency 45Hz signals, because there is decaying in transmission process in signal, the single-frequency signals of signal receiving circuit output later
Entering signal enhances circuit, and single-frequency signals make inductance L5, L3 and the impedance inverter circuit of capacitance C7, C8 composition export one
Equivalent resistance is connected to the in-phase proportion amplifying circuit progress of operational amplifier A R2, resistance R8 ~ R10, potentiometer RP2 compositions
Amplitude adjusted, the holding circuit most formed afterwards through operational amplifier A R3, capacitance C10, diode D2 export linear, stable
Signal is avoided hospital environment monitoring system from causing to receive signal and error is in the presence of to the terminal server of monitoring system, institute
The output signal that feedback modulation circuit receives signal intensifier circuit is stated, the door of triode Q1, resistance R11, resistance R13 compositions are passed through
Difference signal is coupled to operational amplifier A R2 by polar circuit and diode D1 on or off and subtracter AR1 by resistance R6
Input terminal, or concatenated resistance R5, resistance R6 are parallel on equivalent resistance, putting for operational amplifier A R2 are controlled with this
Large scale, wherein resistance R12, triode Q2 are used for returning to zero to operational amplifier A R2, control offset voltage, make operational amplifier
AR2 can accurate ratio enlargement, the signal after signal enhancing is because signal itself is bigger than normal, less than normal and amplification deviation will appear output
Signal is higher or relatively low, the case where cannot effectively being received by terminal server, feedback modulation circuit is provided with, when output signal is inclined
The gate circuit conducting of Gao Shi, triode Q1, resistance R11, resistance R13 compositions, threshold voltage+6V are connected to operational amplifier
The inverting input of AR1, while the homophase input of operational amplifier A R1 is signally attached to after diode D1 conducting amplitude adjusteds
It holds, after operational amplifier A R1 subtractions, negative signal is coupled to the input terminal of operational amplifier A R2 through resistance R6, to make fortune
Calculating the output signal of amplifier AR2 reduces, when output signal is relatively low, triode Q1, resistance R11, resistance R13 compositions gate pole
Circuit ends, while diode D1 cut-offs, operational amplifier A R1 are parallel to without input signal, concatenated resistance R5 and resistance R6
Equivalent resistance（The impedance inverter circuit of inductance L5, L3 and capacitance C7, C8 composition exports an equivalent resistance）On, it is connected to
The input resistance of operational amplifier A R2 reduces, and the amplification factor of operational amplifier A R2 increases, to make operational amplifier A R2's
Output signal improves, and resistance R12 acquisitions holding circuit output signal is added to the emitter of triode Q2, the base stage electricity of triode Q2
Pressure（That is voltage of the output voltage of operational amplifier A R2 through voltage-stabiliser tube Z1）When acquiring voltage back higher than resistance R12, three poles
Pipe Q2 conductings, signal are added on resistance R9, R10, potentiometer RP2, the zeroing of operational amplifier A R2 reverse side.
Embodiment two, on the basis of embodiment one, the signal receiving circuit by inductance L1, capacitance C1, capacitance C2,
The duplexing filter circuit that resistance R1 and inductance L2, capacitance C3 are formed filters out High-frequency Interference and low-frequency disturbance, obtains desired difference frequency
Signal 15Hz-100Hz signals enter double T frequency selection circuits of resistance R2 ~ R4, capacitance C4 ~ C6 compositions, generate and passed with data later
The 45Hz low frequency signals of signal frequency resonance are to rear class circuit transmission, including inductance L2, the left end and electricity of inductance L2 in defeated channel
Hold the signal in data transmission channel, the cathode of capacitance C1 in the anode connection Internet of Things hospital environment monitoring system of C1 respectively to connect
Connect the anode of capacitance C2, the upper end of inductance L1, one end of the cathode connection resistance R1 of capacitance C2, the other end and inductance of resistance R1
The lower end connection the earth of L1, the right end of inductance L2 be separately connected one end of capacitance C3, one end of capacitance C4, resistance R2 one end,
The other end connection the earth of capacitance C3, the other end of resistance R2 be separately connected one end of resistance R3, ground capacity C6 one end, electricity
Hold C4 the other end be separately connected one end of capacitance C5, ground resistance R4 one end, the other end of resistance R3 and capacitance C5's is another
One end is the output signal of signal receiving circuit.
Implement three, on the basis of embodiment one, the signal intensifier circuit receives the single of signal receiving circuit output
Frequency signal, by the impedance inverter circuit of inductance L5, L3 and capacitance C7, C8 composition make operational amplifier A R2, resistance R8 ~
The operational amplifier A R2 input resistances for the in-phase proportion amplifying circuit that R10, potentiometer RP2 are formed carry out amplitude adjusted, specifically
Resistance value increase/reduction of input resistance leads to amplification factor reduction/increase, solves signal and decays present in transmission process,
Holding circuit most afterwards through operational amplifier A R3, capacitance C10, diode D2 compositions exports signal that is linear, stablizing to monitoring
The terminal server of system, including inductance L5, the left end of inductance L5 and the upper end connection signal receiving circuit of ground capacity C7
Output signal, the right end of inductance L5 be separately connected the upper end of ground capacity C8, inductance L3 left end, the right end of inductance L3 connects respectively
The in-phase input end of operational amplifier A R2, one end of resistance R8 are connect, the inverting input of operational amplifier A R2, which is separately connected, to be connect
The one end ground resistance R10, resistance R9 one end, the adjustable end of the other end connection potentiometer RP2 of resistance R9, potentiometer RP2's is upper
The lower end of end connection power supply+15V, potentiometer RP2 connect power supply -15V, and the output end of operational amplifier A R2 is separately connected resistance
The inverting input of the other end of R8, the in-phase input end of operational amplifier A R3, operational amplifier A R2 is separately connected ground connection electricity
Hold one end of C10, the cathode of diode D2, the output end of operational amplifier A R2 connects the anode of diode D2, diode D2's
Cathode is the output signal of signal intensifier circuit.
When the present invention is specifically used, the signal receiving circuit receives data transmission in Internet of Things hospital environment monitoring system
(this signal includes the hospital environments information such as temperature, humidity, the bacterial concentration of respective sensor acquisition, sensing to signal in channel
Implement body gatherer process be the prior art, this will not be detailed here), through inductance L1, capacitance C1, capacitance C2, resistance R1 and inductance L2,
The duplexing filter circuit of capacitance C3 compositions filters out High-frequency Interference and low-frequency disturbance, wherein inductance L1, capacitance C1, capacitance C2, resistance
R1 composition high-pass filtering circuits remove unnecessary low-frequency component in signal, and inductance L2, capacitance C3 composition low-pass filter circuits are gone
Fall unnecessary radio-frequency component in signal, obtain desired difference frequency signal 15Hz-100Hz signals, later enter resistance R2 ~ R4,
Double T frequency selection circuits of capacitance C4 ~ C6 compositions are generated with the 45Hz low frequency signals of signal frequency resonance in data transmission channel backward
Grade circuit transmission, high fdrequency component or low frequency component higher or lower than critical value are blocked, decay, namely filter out data transmission
Single-frequency 45Hz signals in channel, because there is decaying in transmission process in signal, signal receiving circuit output later
Single-frequency signals entering signal enhances circuit, and single-frequency signals make the impedance transformation of inductance L5, L3 and capacitance C7, C8 composition
One equivalent resistance of circuit output is connected to the in-phase proportion of operational amplifier A R2, resistance R8 ~ R10, potentiometer RP2 compositions
Amplifying circuit carries out amplitude adjusted, and resistance value increase/reduction of specific input resistance leads to amplification factor reduction/increase, finally
Holding circuit through operational amplifier A R3, capacitance C10, diode D2 compositions exports signal that is linear, stablizing to monitoring system
Terminal server, avoid hospital environment monitoring system from causing to receive signal and error be in the presence of, the signal after signal enhancing
It is higher or relatively low because signal itself is bigger than normal, less than normal and amplification deviation will appear output signal, it cannot be effective by terminal server（Have
Signal amplitude is imitated between 0V-5V）The case where reception, is provided with feedback modulation circuit, when output signal is higher, triode
The gate circuit conducting of Q1, resistance R11, resistance R13 compositions, threshold voltage+6V are connected to the anti-phase input of operational amplifier A R1
End, while the in-phase input end of operational amplifier A R1, operational amplifier are signally attached to after diode D1 conducting amplitude adjusteds
After AR1 subtractions, negative signal is coupled to the input terminal of operational amplifier A R2 through resistance R6, to make operational amplifier A R2's
Output signal reduces, when output signal is relatively low, the gate circuit cut-off of triode Q1, resistance R11, resistance R13 compositions, simultaneously
Diode D1 cut-offs, operational amplifier A R1 are parallel to equivalent resistance without input signal, concatenated resistance R5 and resistance R6（Electricity
The impedance inverter circuit for feeling L5, L3 and capacitance C7, C8 composition exports an equivalent resistance）On, it is connected to operational amplifier A R2
Input resistance reduce, the amplification factor of operational amplifier A R2 increases, to make the output signal of operational amplifier A R2 improve,
Resistance R12 acquisitions holding circuit output signal is added to the emitter of triode Q2, the base voltage of triode Q2（That is operation amplifier
Voltage of the output voltage of device AR2 through voltage-stabiliser tube Z1）When acquiring voltage back higher than resistance R12, triode Q2 conductings, signal
It is added on resistance R9, R10, potentiometer RP2, the zeroing of operational amplifier A R2 reverse side.
The above is to combine specific implementation mode is made for the present invention to be further described, and it cannot be said that the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, made by expand and operating method, data replacement, should all fall the scope of the present invention it
It is interior.
Claims (3)
1. system, including signal receiving circuit, signal intensifier circuit, feedback modulation circuit are monitored based on Internet of Things hospital environment,
It is characterized in that, the signal receiving circuit receives the signal in data transmission channel in Internet of Things hospital environment monitoring system,
Duplexing filter circuit through inductance L1, capacitance C1, capacitance C2, resistance R1 and inductance L2, capacitance C3 composition filter out High-frequency Interference and
Low-frequency disturbance enters resistance R2 ~ R4 later, double T frequency selection circuits of capacitance C4 ~ C6 compositions filter out the list in data transmission channel
One frequency signal, the signal intensifier circuit receive the single-frequency signals of signal receiving circuit output, and single-frequency signals make
The impedance inverter circuit of inductance L5, L3 and capacitance C7, C8 composition exports an equivalent resistance, be connected to operational amplifier A R2,
The in-phase proportion amplifying circuit progress amplitude adjusted of resistance R8 ~ R10, potentiometer RP2 compositions, most afterwards through operational amplifier A R3, electricity
Hold C10, the holding circuit of diode D2 compositions exports signal that is linear, stablizing, the feedback modulation circuit reception signal increasing
The output signal on forceful electric power road by triode Q1, resistance R11, the gate circuit of resistance R13 compositions and diode D1 conductings or is cut
Only and subtracter AR1, difference signal is coupled to the input terminal of operational amplifier A R2 by resistance R6, or by concatenated resistance
R5, resistance R6 are parallel on equivalent resistance, and the magnification ratio of operational amplifier A R2, wherein resistance R12, three poles are controlled with this
Pipe Q2 is used for returning to zero to operational amplifier A R2, controls offset voltage；
The feedback modulation circuit, when output signal is higher, triode Q1, resistance R11, resistance R13 composition gate circuit
Conducting, threshold voltage+6V is connected to the inverting input of operational amplifier A R1, while believing after diode D1 conducting amplitude adjusteds
Number it is connected to the in-phase input end of operational amplifier A R1, after operational amplifier A R1 subtractions, negative signal is coupled through resistance R6
To the input terminal of operational amplifier A R2, to make the output signal of operational amplifier A R2 reduce, when output signal is relatively low, three
The gate circuit cut-off of pole pipe Q1, resistance R11, resistance R13 compositions, while diode D1 cut-offs, operational amplifier A R1 is without input
Signal, concatenated resistance R5 and resistance R6 are parallel to equivalent resistance（The impedance transformation of inductance L5, L3 and capacitance C7, C8 composition
One equivalent resistance of circuit output）On, the input resistance for being connected to operational amplifier A R2 reduces, and operational amplifier A R2's puts
Big multiple increases, and to make the output signal of operational amplifier A R2 improve, resistance R12 acquisitions holding circuit output signal is added to
The emitter of triode Q2, the base voltage of triode Q2（That is electricity of the output voltage of operational amplifier A R2 through voltage-stabiliser tube Z1
Pressure）When acquiring voltage back higher than resistance R12, triode Q2 conductings, signal is added on resistance R9, R10, potentiometer RP2, transports
Calculate the zeroing of amplifier AR2 reverse side.
2. monitoring system based on Internet of Things hospital environment as described in claim 1, which is characterized in that the signal receiving circuit
Including inductance L2, data transmission channel in the left end of inductance L2 and the anode connection Internet of Things hospital environment monitoring system of capacitance C1
Interior signal, the cathode of capacitance C1 are separately connected the upper end of the anode of capacitance C2, inductance L1, the cathode connection resistance R1 of capacitance C2
One end, the other end of resistance R1 connects the earth with the lower end of inductance L1, the right end of inductance L2 be separately connected one end of capacitance C3,
One end of capacitance C4, one end of resistance R2, the other end connection the earth of capacitance C3, the other end of resistance R2 are separately connected resistance R3
One end, ground capacity C6 one end, the other end of capacitance C4 be separately connected one end of capacitance C5, ground resistance R4 one end,
The other end of resistance R3 and the output signal that the other end of capacitance C5 is signal receiving circuit.
3. monitoring system based on Internet of Things hospital environment as described in claim 1, which is characterized in that the signal intensifier circuit
Including inductance L5, the output signal of the left end of inductance L5 and the upper end connection signal receiving circuit of ground capacity C7, inductance L5's
Right end be separately connected the upper end of ground capacity C8, inductance L3 left end, the right end of inductance L3 is separately connected operational amplifier A R2's
The inverting input of one end of in-phase input end, resistance R8, operational amplifier A R2 is separately connected the one end ground resistance R10, resistance
One end of R9, the adjustable end of the other end connection potentiometer RP2 of resistance R9, the upper end of potentiometer RP2 connects power supply+15V, current potential
The lower end of device RP2 connects power supply -15V, and the output end of operational amplifier A R2 is separately connected the other end of resistance R8, operation amplifier
The inverting input of the in-phase input end of device AR3, operational amplifier A R2 is separately connected one end of ground capacity C10, diode D2
Cathode, the anode of the output end connection diode D2 of operational amplifier A R2, the cathode of diode D2 is signal intensifier circuit
Output signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810719615.8A CN108664074B (en) | 2018-07-03 | 2018-07-03 | Hospital environment monitoring system based on Internet of things |
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| CN201810719615.8A CN108664074B (en) | 2018-07-03 | 2018-07-03 | Hospital environment monitoring system based on Internet of things |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109309507A (en) * | 2018-11-30 | 2019-02-05 | 国网河南省电力公司信息通信公司 | One kind being based on big data power grid security management information system |
| CN109375695A (en) * | 2018-11-29 | 2019-02-22 | 国家电网有限公司 | A kind of information-based remote monitoring system based on big data |
| CN109512400A (en) * | 2019-01-11 | 2019-03-26 | 河南鑫安利职业健康科技有限公司 | A kind of monitoring arrangement of Real-time Feedback special operating personnel body index |
| CN109632592A (en) * | 2018-12-29 | 2019-04-16 | 河南鑫安利职业健康科技有限公司 | Atmospheric dust monitoring signals data conversion device |
| CN111983446A (en) * | 2020-08-31 | 2020-11-24 | 郑州铁路职业技术学院 | Railway signal relay real-time positioning monitoring system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033983A (en) * | 2007-01-18 | 2007-09-12 | 武汉天任光电互感器有限公司 | High anti-interference alternating-current/magnetic field sensor |
| CN101496930A (en) * | 2009-03-02 | 2009-08-05 | 中国医学科学院生物医学工程研究所 | Multifunctional therapeutic apparatus with drug-iontophoresis and interferential electric current stimulation |
| US20090210035A1 (en) * | 2008-02-20 | 2009-08-20 | Daniel Gelbart | System for powering medical implants |
| CN101828927A (en) * | 2010-05-12 | 2010-09-15 | 郑建华 | Medical heart arteriopalmus monitoring instrument |
| CN203949995U (en) * | 2014-07-16 | 2014-11-19 | 浙江天正电气股份有限公司 | The hookup of Aftercurrent protecting equipment and Aftercurrent protecting equipment |
| CN107834995A (en) * | 2017-11-23 | 2018-03-23 | 西安电子科技大学 | Multifunctional ultrasonic imaging system |
-
2018
- 2018-07-03 CN CN201810719615.8A patent/CN108664074B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033983A (en) * | 2007-01-18 | 2007-09-12 | 武汉天任光电互感器有限公司 | High anti-interference alternating-current/magnetic field sensor |
| US20090210035A1 (en) * | 2008-02-20 | 2009-08-20 | Daniel Gelbart | System for powering medical implants |
| CN101496930A (en) * | 2009-03-02 | 2009-08-05 | 中国医学科学院生物医学工程研究所 | Multifunctional therapeutic apparatus with drug-iontophoresis and interferential electric current stimulation |
| CN101828927A (en) * | 2010-05-12 | 2010-09-15 | 郑建华 | Medical heart arteriopalmus monitoring instrument |
| CN203949995U (en) * | 2014-07-16 | 2014-11-19 | 浙江天正电气股份有限公司 | The hookup of Aftercurrent protecting equipment and Aftercurrent protecting equipment |
| CN107834995A (en) * | 2017-11-23 | 2018-03-23 | 西安电子科技大学 | Multifunctional ultrasonic imaging system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375695A (en) * | 2018-11-29 | 2019-02-22 | 国家电网有限公司 | A kind of information-based remote monitoring system based on big data |
| CN109309507A (en) * | 2018-11-30 | 2019-02-05 | 国网河南省电力公司信息通信公司 | One kind being based on big data power grid security management information system |
| CN109632592A (en) * | 2018-12-29 | 2019-04-16 | 河南鑫安利职业健康科技有限公司 | Atmospheric dust monitoring signals data conversion device |
| CN109632592B (en) * | 2018-12-29 | 2021-04-13 | 河南鑫安利职业健康科技有限公司 | Atmospheric dust monitoring signal data conversion device |
| CN109512400A (en) * | 2019-01-11 | 2019-03-26 | 河南鑫安利职业健康科技有限公司 | A kind of monitoring arrangement of Real-time Feedback special operating personnel body index |
| CN111983446A (en) * | 2020-08-31 | 2020-11-24 | 郑州铁路职业技术学院 | Railway signal relay real-time positioning monitoring system |
| CN111983446B (en) * | 2020-08-31 | 2021-02-19 | 郑州铁路职业技术学院 | Railway signal relay real-time positioning monitoring system |
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