CN109283962A - Data safety wisdom O&M monitoring system - Google Patents
Data safety wisdom O&M monitoring system Download PDFInfo
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- CN109283962A CN109283962A CN201811108738.4A CN201811108738A CN109283962A CN 109283962 A CN109283962 A CN 109283962A CN 201811108738 A CN201811108738 A CN 201811108738A CN 109283962 A CN109283962 A CN 109283962A
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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
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
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Abstract
The invention discloses data safety wisdom O&M monitoring systems, it is inhibited that anti-jamming circuit will receive signal, absorb electromagnetic interference, enter signal amplitude after frequency-selecting and adjusts circuit, the output of first impedance inverter circuit carries out matched resistance value with signal internal resistance, it effectively transmits and as operational amplifier AR1 input resistance, carry out ratio enlargement, when signal amplitude exception, the output of second impedance inverter circuit one in parallel with the first impedance inverter circuit output resistance with the matched resistance value of difference signal internal resistance progress, change the amplification factor of operational amplifier AR1, amplitude adjusted is carried out with this, when signal amplitude is normal, into feedback voltage stabilizing circuit, with triode Q2, triode Q3 and zener diode Z3 and capacitor C6 forms voltage regulator circuit pressure stabilizing, operational amplifier AR3 and triode Q4 feedback is devised simultaneously It is exported after pressure stabilizing.Efficiently solve decaying, the anti-interference and poor stability technical problem that data safety wisdom O&M monitoring-controlling system signal transmits.
Description
Technical field
The present invention relates to field of circuit technology, more particularly to data safety wisdom O&M monitoring system.
Background technique
The use of data safety wisdom O&M monitoring system " the disaster tolerance mode of three " center " of two places, including two bands of position,
The data center of three servers needs that three servers is allowed to communicate by network, and monitoring could work normally, and specially one
Master library server refers to the central database being connected directly with operation system, can read and write data, is an independent database service
Device, two standby library servers, i.e., local standby library server refer to the standby library being placed into the same regional location of master library, place remote
Standby library server refers to the standby library being placed into the geographical location different zones of master library.
" three " center " data safety wisdom O&M monitoring system major function of two places, which is divided into, backs up in realtime, monitors in real time, is real
When alarm notification (the Icon Color early warning including liquid crystal large-size screen monitors, audible alarm, short massage notice), wherein real time monitoring be divided into 3
Part, first part are that comprehensively monitoring includes the connection status monitoring of database, the condition monitoring backed up in realtime, key data
Duplicated record number sum and same day duplicated record number monitoring (reference items), the monitoring of table space utilization rate result, database are supervised extremely
Control, the monitoring of database health condition, network condition monitoring, the monitoring of server health condition, CPU usage monitoring, different type
Occupied space monitoring, the monitoring of disk partition space of data, second part are that the monitoring of database performance index includes that each table is empty
Between service condition monitoring, example case monitoring, the monitoring of data file io situation, lock conflict monitoring, zombie data monitoring,
Maximum response time monitoring, day when the monitoring of deadlock number, archive log condition monitoring, audit log file status monitor, write log
The maximum miss rate of will buffer area monitors, and Part III is the actual conditions prison that business information monitoring includes the same day each working link
Control, the monitoring of current stranded piece situation accept part in nearly five days and finish part monitoring, accept part within nearly five days and finish the statistics of part.
Data safety wisdom O&M monitoring system is applied in terms of Immovable Property Registration, is issued licence integrated equipment with real estate payment
Wisdom terminal system matches, and suits the current Immovable Property Registration standard of country, and the practical system is in use, monitoring
Information it is more lengthy and jumbled, in signal transduction process occur decaying, disorder, therefore inhibit signal transduction process in decaying, improve
The anti-interference and stability of signal are the major issues that data safety wisdom O&M monitoring system faces.
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 data safety wisdom fortune
Tie up monitoring system, have be skillfully constructed, the characteristic of human oriented design, efficiently solve data safety wisdom O&M monitoring system
The decaying of signal transmitting, anti-interference and poor stability technical problem.
Its technical solution solved is, including anti-jamming circuit, signal amplitude adjust circuit and feedback voltage stabilizing circuit, special
Sign is, the anti-jamming circuit receives real estate payment controlling terminal in integrated equipment wisdom terminal system of issuing licence and passed with signal
The signal of defeated path input inhibits the RC of electromagnetic interference, resistance RT1 and capacitor C1 composition to inhale through Transient Suppression Diode VD1
Receive the frequency selection circuit sieve that circuit further absorbs electromagnetic interference and is released to ground, variable capacitance CY and capacitor C2 and inductance L1 composition
Exported after single-frequency signals in select-out signal, the signal amplitude adjust circuit by inductance L2, L3 and capacitor C3, C4,
The output of the first impedance inverter circuit one of resistance RA composition carries out matched with received anti-jamming circuit output signal internal resistance
Resistance value transmits anti-jamming circuit output signal effectively to rear class, enters inductance L4, capacitor C5, resistance R2, two poles later
The further frequency-selecting of resonance circuit of pipe D1 composition improve enter after anti-interference ability amplifier that operational amplifier AR1 is core into
Row ratio enlargement, signal amplitude is abnormal constantly, thyristor VTL1 triggering and conducting, and signal enters operational amplifier after ratio enlargement
AR2 be core subtracter and master output signal carry out difference operation, obtain difference signal, through inductance L5 and capacitor C7, C8,
Second impedance inverter circuit of C9 composition exports one and converts with the matched resistance value of difference signal internal resistance progress and the first impedance
Circuit output resistance value is in parallel, changes the amplification factor of operational amplifier AR1, carries out amplitude adjusted with this, signal amplitude is normal
When, namely entering feedback voltage stabilizing circuit in 0-5V, feedback voltage stabilizing circuit uses triode Q2, triode Q3 and zener diode
Z3 and capacitor C6 forms voltage regulator circuit pressure stabilizing, while exporting after devising operational amplifier AR3 and triode Q4 feedback regulation.
Due to the use of above technical scheme, the invention has the following advantages over the prior art:
1. by the first impedance inverter circuit that inductance L2, L3 and capacitor C3, C4, resistance RA are formed export one with it is received
Anti-jamming circuit output signal internal resistance carries out matched resistance value, make anti-jamming circuit output signal it is effective, it is zero-decrement to
Rear class transmission enters the further frequency-selecting of resonance circuit of inductance L4, capacitor C5, resistance R2, diode D1 composition, Ye Jiti later
Enter the amplifier that operational amplifier AR1 is core after high anti-jamming capacity and carry out ratio enlargement, signal amplitude is abnormal constantly, brilliant
Brake tube VTL1 triggering and conducting, signal enters the subtracter and master output signal that operational amplifier AR2 is core after ratio enlargement
Difference operation is carried out, difference signal is obtained, the second impedance inverter circuit output one formed through inductance L5 and capacitor C7, C8, C9
It is a in parallel with the first impedance inverter circuit output resistance with the matched resistance value of difference signal internal resistance progress, change operation amplifier
The amplification factor of device AR1 carries out amplitude adjusted with this, compensates for the attenuation problem in signal transduction process；
2. the variable quantity for the feedback voltage stabilizing circuit output signal that operational amplifier AR3 is fed back is coupled to through triode Q4 amplification
Triode Q2, triode Q3 form the base stage of compound adjustment pipe, the base current of compound adjustment pipe are controlled, to control compound tune
The conducting degree of homogeneous tube, i.e. compound adjustment pipe BE junction voltage and then change with variation, compound adjustment pipe CE junction voltage, and output is steady
Fixed 0-5V voltage in controlling terminal signal transmission passage, improves signal transmitting into data safety wisdom O&M monitoring system
Stability, disorder problem caused by avoiding because of signal redundancy.
Detailed description of the invention
Fig. 1 is the module map of data safety wisdom O&M monitoring system of the present invention.
Fig. 2 is the schematic diagram of data safety wisdom O&M monitoring system of the present invention.
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, data safety wisdom O&M monitoring system, including anti-jamming circuit, signal amplitude adjust circuit and anti-
Present voltage regulator circuit, the anti-jamming circuit, which receives real estate payment controlling terminal in integrated equipment wisdom terminal system of issuing licence, to be believed
The signal of number transmission channel input terminal inhibits electromagnetic interference, resistance RT1 and capacitor C1 composition through Transient Suppression Diode VD1
RC absorbing circuit further absorbs electromagnetic interference and is released to ground, is avoided in the signal transmission of signal transmission passage input terminal with this
The frequency selection circuit of the problem of signal is interfered by outer signals, variable capacitance CY and capacitor C2 and inductance L1 composition filters out in signal
Single-frequency signals transmit backward, and be blocked other frequency signals, the signal amplitude adjust circuit by inductance L2,
First impedance inverter circuit of L3 and capacitor C3, C4, resistance RA composition exports one and received anti-jamming circuit output signal
Internal resistance carries out matched resistance value, keeps anti-jamming circuit output signal effective, zero-decrement to rear class transmission, enters electricity later
Feel the further frequency-selecting of resonance circuit of L4, capacitor C5, resistance R2, diode D1 composition, namely enters after improving anti-interference ability
Operational amplifier AR1 is that the amplifier of core carries out ratio enlargement, and signal amplitude is abnormal constantly, thyristor VTL1 triggering and conducting,
Signal enters the subtracter and master output signal progress difference operation that operational amplifier AR2 is core after ratio enlargement, obtains
Difference signal, the second impedance inverter circuit formed through inductance L5 and capacitor C7, C8, C9 export one with difference signal internal resistance into
The matched resistance value of row is in parallel with the first impedance inverter circuit output resistance, changes the amplification factor of operational amplifier AR1, with
This carries out amplitude adjusted, when signal amplitude is normal, namely enters feedback voltage stabilizing circuit in 0-5V, and feedback voltage stabilizing circuit uses three
Pole pipe Q2, triode Q3 and zener diode Z3 and capacitor C6 form voltage regulator circuit pressure stabilizing, while devising operational amplifier
It is exported after AR3 and triode Q4 feedback regulation, that is to say controlling terminal signal in the safe wisdom O&M monitoring system of input data
In transmission channel.
Embodiment two, on the basis of example 1, the signal amplitude adjust circuit and pass through inductance L2, L3 and capacitor
First impedance inverter circuit of C3, C4, resistance RA composition exports one and carries out with received anti-jamming circuit output signal internal resistance
Matched resistance value keeps anti-jamming circuit output signal effective, zero-decrement to rear class transmission, enters inductance L4, electricity later
On the one hand the further frequency-selecting of resonance circuit for holding C5, resistance R2, diode D1 composition improves anti-interference ability, on the other hand humorous
Shake input resistance of the impedance as operational amplifier AR1 inverting input terminal, forms through operational amplifier AR1, resistance R3, resistance R4
Amplifier carry out ratio enlargement, signal amplitude lower than 0.7 or be higher than 5.7V when, voltage-stabiliser tube Z2 or voltage-stabiliser tube Z1 breakdown, can make
Thyristor VTL1, voltage-stabiliser tube Z2, resistance R6, the trigger circuit conducting of capacitor C10 composition or thyristor VTL1, voltage-stabiliser tube Z1, electricity
The trigger circuit conducting of R5, capacitor C10 composition is hindered, (angle of flow of thyristor VTL1 can be adjusted by resistance R5, resistance R6, i.e.,
Adjust the voltage swing of thyristor VTL1 conducting), after thyristor VTL1 triggering and conducting, signal is through thyristor VTL1 after ratio enlargement
Anode, cathode, resistance R13 be connected to the non-inverting input terminal of operational amplifier AR2, with inverting input terminal master output signal
(the real estate payment 0-5V of controlling terminal signal transmission passage input terminal in integrated equipment wisdom terminal system that issues licence normally believes
Number) difference operation is carried out, difference signal is obtained, the second impedance inverter circuit formed through inductance L5 and capacitor C7, C8, C9 exports
One carries out matched resistance value with difference signal internal resistance, this resistance value is in parallel with the first impedance inverter circuit output resistance,
The amplification factor for changing operational amplifier AR1, carries out amplitude adjusted, including inductance L2, capacitor C3, resistance RA, inductance L2 with this
One end, one end of ground capacity C3, one end of resistance RA be all connected with anti-jamming circuit output signal, the other end point of inductance L2
Not Lian Jie one end of ground capacity C4, inductance L3 one end, the other end of inductance L3 is separately connected the other end of resistance RA, inductance
One end of L4, one end of resistance R2, diode D1 anode, the other end of resistance R2 connects capacitor C5 with the cathode of diode D1
One end, the other end of capacitor C5 be separately connected the other end of inductance L4, one end of resistance R3, operational amplifier AR1 it is reversed
Input terminal, by resistance R4 connection, the output end of operational amplifier AR1 connects the noninverting input of operational amplifier AR1 respectively
One end of connecting resistance R3, the anode of diode D2, the cathode of diode D3, the anode of thyristor VTL1, voltage-stabiliser tube Z1 cathode,
The anode of voltage-stabiliser tube Z2, the anode connection ground of diode D3, the cathode of diode D2 connect power supply+5V, the control of thyristor VTL1
Pole processed is separately connected one end of the anode of voltage-stabiliser tube Z1, one end of ground resistance R5, one end of ground capacity C10, resistance R6, electricity
The cathode of the other end connection voltage-stabiliser tube Z2 of R6 is hindered, one end of the cathode connection resistance R13 of thyristor VTL1, resistance R13's is another
One end connects the non-inverting input terminal of operational amplifier AR2, and the inverting input terminal of operational amplifier AR2 is separately connected resistance R14's
One end, resistance R12 one end, the other end of resistance R12 connects master output signal, the output end difference of operational amplifier AR2
Connect the other end of resistance R14, one end of inductance L5, one end of capacitor C8, one end of ground capacity C7, resistance R2 it is another
End, the other end of inductance L5 are separately connected one end of the other end of capacitor C8, one end of ground capacity C9, inductance L2.
Embodiment three, on the basis of example 1, the anti-jamming circuit receive real estate payment and issue licence integrated equipment
The signal of controlling terminal signal transmission passage input terminal, inhibits through Transient Suppression Diode VD1 first in wisdom terminal system
Electromagnetic interference enters the RC absorbing circuit that resistance RT1 and capacitor C1 is formed later and further absorbs electromagnetic interference and be released to ground,
Avoid the problem that signal is interfered by outer signals in the signal transmission of signal transmission passage input terminal with this, most afterwards through variable capacitance
The frequency selection circuit of CY and capacitor C2 and inductance L1 composition filters out the single-frequency signals of the signal of signal transmission passage input terminal
It transmits backward, and is blocked other frequency signals, including Transient Suppression Diode VD1, resistance RT1, resistance R1, transient state inhibits
The upper end of diode VD1, the upper end of resistance RT1, resistance R1 left end connection in controlling terminal signal transmission passage input terminal
Signal, one end of the lower end connection capacitor C1 of resistance RT1, the right end of resistance R1 is separately connected one end of variable capacitance CY, electricity
Feel one end of L1, one end of the other end connection capacitor C2 of variable capacitance CY, the lower end of Transient Suppression Diode VD1, capacitor C1
The other end, the other end of capacitor C2, the other end of inductance L1 be all connected with ground；
The feedback voltage stabilizing circuit receives the signal that signal amplitude adjusts circuit output, and triode Q2, triode Q3 composition are compound
Adjust effective to stabilize the output voltage, wherein resistance R7, voltage-stabiliser tube Z3 provide stable benchmark electricity for the base stage of compound adjustment pipe
Pressure, capacitor C6 are that speed-up capacitor is filtered for fluctuation voltage, and triode Q4 is what amplifier tube fed back operational amplifier AR3
Compound adjustment pipe is coupled in the variable quantity amplification of feedback voltage stabilizing circuit output signal, controls the base current of compound adjustment pipe, from
And control the conducting degree of compound adjustment pipe, i.e. compound adjustment pipe BE junction voltage with variation, compound adjustment pipe CE junction voltage with
Variation, achieve the purpose that stabilize the output voltage with this, inductance L2 plays the effect of filtering, that is to say and exports stable 0-5V electricity
It is pressed onto data safety wisdom O&M monitoring system in controlling terminal signal transmission passage, including triode Q2, triode Q2's
Collector is separately connected the collector of one end of resistance R8, triode Q3, and the base stage of triode Q2 is separately connected triode Q3's
Base stage, the cathode of the other end of resistance R8 and voltage-stabiliser tube Z3, one end of capacitor C6 and triode Q4 collector, voltage-stabiliser tube Z3
Anode connected with the other end of capacitor C6, the emitter of triode Q2 is separately connected the emitter of triode Q3, inductance L6
One end, the other end connection signal output port of inductance L6 and the non-inverting input terminal of operational amplifier AR3, operational amplifier
One end of the inverting input terminal connection resistance R10 of AR2, the output end of another termination operational amplifier AR2 of resistance R10 and three poles
The base stage of pipe Q4, the cathode of the emitter connection voltage-stabiliser tube Z4 of triode Q4, the anode connection ground of voltage-stabiliser tube Z4.
When the present invention is specifically used, real estate payment controlling terminal in integrated equipment wisdom terminal system of issuing licence is passed with signal
The signal of defeated path input inhibits electromagnetic interference through Transient Suppression Diode VD1 first, enters resistance RT1 and capacitor later
The RC absorbing circuit of C1 composition further absorbs electromagnetic interference and is released to ground, and the letter of signal transmission passage input terminal is avoided with this
Signal the problem of being interfered by outer signals, the frequency-selecting electricity most formed afterwards through variable capacitance CY and capacitor C2 and inductance L1 in number transmission
The single-frequency signals that road filters out the signal of signal transmission passage input terminal transmit backward, and hinder other frequency signals
Every, later by the first impedance inverter circuit that inductance L2, L3 and capacitor C3, C4, resistance RA are formed export one with it is received
Anti-jamming circuit output signal internal resistance carries out matched resistance value, make anti-jamming circuit output signal it is effective, it is zero-decrement to
Rear class transmission enters the further frequency-selecting of resonance circuit of inductance L4, capacitor C5, resistance R2, diode D1 composition, on the one hand later
Anti-interference ability is improved, input resistance of the another aspect resonance impedance as operational amplifier AR1 inverting input terminal is put through operation
The amplifier progress ratio enlargement of big device AR1, resistance R3, resistance R4 composition, signal amplitude is lower than 0.7 or when being higher than 5.7V, surely
Pressure pipe Z2 or voltage-stabiliser tube Z1 breakdown can make the trigger circuit conducting of thyristor VTL1, voltage-stabiliser tube Z2, resistance R6, capacitor C10 composition
Or the trigger circuit conducting of thyristor VTL1, voltage-stabiliser tube Z1, resistance R5, capacitor C10 composition, (angle of flow of thyristor VTL1 can
Pass through resistance R5, resistance R6 to adjust, i.e. the voltage swing of adjustment thyristor VTL1 conducting), after thyristor VTL1 triggering and conducting, than
Example anode, cathode, resistance R13 of the amplified signal through thyristor VTL1 are connected to the non-inverting input terminal of operational amplifier AR2, with
Inverting input terminal master output signal (transmitted with signal by real estate payment controlling terminal in integrated equipment wisdom terminal system of issuing licence
The 0-5V normal signal of path input) difference operation is carried out, difference signal is obtained, is formed through inductance L5 and capacitor C7, C8, C9
The second impedance inverter circuit export one and carry out matched resistance value with difference signal internal resistance, this resistance value and the first impedance become
Circuit output resistance value parallel connection is changed, changes the amplification factor of operational amplifier AR1, amplitude adjusted is carried out with this, compensates for signal
Attenuation problem in transmittance process is most stabilized the output voltage through triode Q2, triode Q3 composition compound adjustment pipe, afterwards wherein electricity
Resistance R7, voltage-stabiliser tube Z3 provide stable reference voltage for the base stage of compound adjustment pipe, and capacitor C6 is speed-up capacitor for fluctuating electricity
Filters pressing wave, triode Q4 are amplifier tube by the variable quantity of the operational amplifier AR3 feedback voltage stabilizing circuit output signal fed back
Compound adjustment pipe is coupled in amplification, the base current of compound adjustment pipe is controlled, to control the conducting degree of compound adjustment pipe, i.e.,
With variation, compound adjustment pipe CE junction voltage and then changes compound adjustment pipe BE junction voltage, is reached with this and is stabilized the output voltage
Purpose, inductance L2 play the effect of filtering, that is to say and export stable 0-5V voltage to data safety wisdom O&M monitoring system
In middle 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. data safety wisdom O&M monitoring system, including anti-jamming circuit, signal amplitude adjust circuit and feedback voltage stabilizing circuit,
The controlling terminal letter in integrated equipment wisdom terminal system it is characterized in that, the anti-jamming circuit reception real estate payment is issued licence
The signal of number transmission channel input terminal inhibits electromagnetic interference, resistance RT1 and capacitor C1 composition through Transient Suppression Diode VD1
RC absorbing circuit further absorbs electromagnetic interference and is released to the frequency-selecting electricity of ground, variable capacitance CY and capacitor C2 and inductance L1 composition
Road exports after filtering out the single-frequency signals in signal, the signal amplitude adjust circuit by inductance L2, L3 and capacitor C3,
First impedance inverter circuit of C4, resistance RA composition exports one and is matched with received anti-jamming circuit output signal internal resistance
Resistance value, make anti-jamming circuit output signal effectively to rear class transmit, later enter inductance L4, capacitor C5, resistance R2, two
The further frequency-selecting of resonance circuit of pole pipe D1 composition enters the amplifier that operational amplifier AR1 is core after improving anti-interference ability
Ratio enlargement is carried out, signal amplitude is abnormal constantly, thyristor VTL1 triggering and conducting, and signal enters operational amplifier after ratio enlargement
AR2 be core subtracter and master output signal carry out difference operation, obtain difference signal, through inductance L5 and capacitor C7, C8,
Second impedance inverter circuit of C9 composition exports one and converts with the matched resistance value of difference signal internal resistance progress and the first impedance
Circuit output resistance value is in parallel, changes the amplification factor of operational amplifier AR1, carries out amplitude adjusted with this, signal amplitude is normal
When, namely entering feedback voltage stabilizing circuit in 0-5V, feedback voltage stabilizing circuit uses triode Q2, triode Q3 and zener diode
Z3 and capacitor C6 forms voltage regulator circuit pressure stabilizing, while exporting after devising operational amplifier AR3 and triode Q4 feedback regulation.
2. data safety wisdom O&M monitoring system as described in claim 1, which is characterized in that the signal amplitude adjusts circuit
Including inductance L2, capacitor C3, resistance RA, one end of inductance L2, one end of ground capacity C3, resistance RA one end be all connected with it is anti-dry
Circuit output signal is disturbed, the other end of inductance L2 is separately connected one end of one end of ground capacity C4, inductance L3, and inductance L3's is another
One end is separately connected the anode of the other end of resistance RA, one end of inductance L4, one end of resistance R2, diode D1, resistance R2's
The other end connects one end of capacitor C5 with the cathode of diode D1, the other end of capacitor C5 be separately connected inductance L4 the other end,
One end of resistance R3, operational amplifier AR1 reverse input end, the noninverting input of operational amplifier AR1 connected by resistance R4
Ground connection, the output end of operational amplifier AR1 be separately connected one end of resistance R3, the anode of diode D2, diode D3 cathode,
The anode of thyristor VTL1, the cathode of voltage-stabiliser tube Z1, voltage-stabiliser tube Z2 anode, diode D3 anode connection ground, diode D2
Cathode connect power supply+5V, the control electrode of thyristor VTL1 be separately connected the anode of voltage-stabiliser tube Z1, ground resistance R5 one end,
One end of ground capacity C10, resistance R6 one end, the cathode of the other end connection voltage-stabiliser tube Z2 of resistance R6, thyristor VTL1's
Cathode connects one end of resistance R13, the non-inverting input terminal of the other end connection operational amplifier AR2 of resistance R13, operational amplifier
The inverting input terminal of AR2 is separately connected one end of one end of resistance R14, resistance R12, and the other end of resistance R12 connects standard width
Spend signal, the output end of operational amplifier AR2 be separately connected the other end of resistance R14, one end of inductance L5, capacitor C8 one
End, one end of ground capacity C7, resistance R2 the other end, the other end of inductance L5 be separately connected capacitor C8 the other end, ground connection
One end of capacitor C9, inductance L2 one end.
3. data safety wisdom O&M monitoring system as described in claim 1, which is characterized in that the anti-jamming circuit includes wink
State inhibits diode VD1, resistance RT1, resistance R1, the upper end of Transient Suppression Diode VD1, the upper end of resistance RT1, resistance R1
The signal of controlling terminal signal transmission passage input terminal in the connection of left end, one end of the lower end connection capacitor C1 of resistance RT1, electricity
The right end of resistance R1 is separately connected one end of one end of variable capacitance CY, inductance L1, and the other end of variable capacitance CY connects capacitor C2
One end, the lower end of Transient Suppression Diode VD1, the other end of capacitor C1, the other end of capacitor C2, the other end of inductance L1 are equal
Connection ground；
The feedback voltage stabilizing circuit includes triode Q2, and the collector of triode Q2 is separately connected one end of resistance R8, triode
The collector of Q3, the base stage of triode Q2 are separately connected the negative of the base stage of triode Q3, the other end of resistance R8 and voltage-stabiliser tube Z3
The anode of the collector of pole, one end of capacitor C6 and triode Q4, voltage-stabiliser tube Z3 connects ground, three poles with the other end of capacitor C6
The emitter of pipe Q2 is separately connected one end of the emitter of triode Q3, inductance L6, the other end connection signal output of inductance L6
The non-inverting input terminal of port and operational amplifier AR3, one end of the inverting input terminal connection resistance R10 of operational amplifier AR2, electricity
The output end of another termination operational amplifier AR2 of R10 and the base stage of triode Q4 are hindered, the emitter of triode Q4 connects pressure stabilizing
The cathode of pipe Z4, the anode connection ground of voltage-stabiliser tube Z4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108738.4A CN109283962B (en) | 2018-09-21 | 2018-09-21 | Data security intelligence operation and maintenance monitored control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108738.4A CN109283962B (en) | 2018-09-21 | 2018-09-21 | Data security intelligence operation and maintenance monitored control system |
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| CN109283962A true CN109283962A (en) | 2019-01-29 |
| CN109283962B CN109283962B (en) | 2020-09-18 |
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| CN201811108738.4A Active CN109283962B (en) | 2018-09-21 | 2018-09-21 | Data security intelligence operation and maintenance monitored control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112702743A (en) * | 2021-03-25 | 2021-04-23 | 浙江宏远智能科技有限公司 | Network data monitoring and protecting method based on artificial intelligence |
| CN112713868A (en) * | 2021-01-07 | 2021-04-27 | 郑州航空工业管理学院 | Network supervisory system |
| CN113421176A (en) * | 2021-07-16 | 2021-09-21 | 昆明学院 | Intelligent abnormal data screening method |
| CN114463995A (en) * | 2022-01-30 | 2022-05-10 | 河南省交通规划设计研究院股份有限公司 | Wisdom traffic road bridge monitored control system |
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