CN112152583A - Cloud computing data security operation and maintenance system - Google Patents
Cloud computing data security operation and maintenance system Download PDFInfo
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- CN112152583A CN112152583A CN202011125831.3A CN202011125831A CN112152583A CN 112152583 A CN112152583 A CN 112152583A CN 202011125831 A CN202011125831 A CN 202011125831A CN 112152583 A CN112152583 A CN 112152583A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
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Abstract
The invention discloses a cloud computing data safety operation and maintenance system, which comprises a wireless receiving module, a safety monitoring module and an operation and maintenance server, wherein the wireless receiving module is used for sending a received wireless signal into the safety monitoring module for processing, the safety monitoring module comprises an impedance matching circuit, an operational amplifier compensation adjusting circuit and a monitoring protection circuit, the impedance matching circuit adopts an LC impedance network to carry out characteristic impedance matching on the wireless signal, the operational amplifier compensation adjusting circuit effectively inhibits the surge interference fluctuation amount of the signal caused by external interference in the transmission process through the action of the amplitude stabilization of a voltage stabilizing diode, and meanwhile, an adjusting device is arranged to improve the stability; the monitoring protection circuit is designed with a sampling amplification unit which monitors the amplitude mutation of the output signal from the operational amplifier compensation adjustment circuit in real time, and drives the filtering control unit to work when the wireless channel is attacked by high strong electromagnetic interference, thereby effectively inhibiting the malicious attack of external interference signals and providing good safety guarantee for the reception of data signals.
Description
Technical Field
The invention relates to the technical field of data security, in particular to a cloud computing data security operation and maintenance system.
Background
With the rapid development of virtualization technology in recent years, cloud computing platform services have become more and more new choices for IT business of government and enterprise customers. The cloud computing service refers to that a large number of computing resources connected by a network are uniformly managed and scheduled to form a computing resource pool, services are provided for users according to needs, and the users obtain needed resources and services in an easily-expanded mode according to needs through the network.
With the rapid development of information networks and business requirements, the integration of wireless communication technology and cloud computing platforms has been gradually developed in the industry, and cloud computing data security operation and maintenance systems are developed in order to ensure the secure reception and management of wireless communication data. The cloud computing data security operation and maintenance system is mainly characterized in that an operation and maintenance server is in entity connection with an exchanger and an interface of a base station through the operation and maintenance server, the base station provides a wireless channel between fixed terminating equipment and a mobile terminal through a wireless transceiver, and transmission of data signals in the wireless channel can be interfered by the outside world or even attacked maliciously, which is mainly reflected in external radio interference and artificial high-strength electromagnetic interference, so that the security of data receiving and the stability of the system are seriously influenced.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a cloud computing data security operation and maintenance system.
The technical scheme for solving the problem is as follows: the cloud computing data safety operation and maintenance system comprises a wireless receiving module, a safety monitoring module and an operation and maintenance server, wherein the wireless receiving module is used for sending a received wireless signal into the safety monitoring module for processing, the safety monitoring module comprises an impedance matching circuit, an operational amplifier compensation adjusting circuit and a monitoring protection circuit, and the impedance matching circuit adopts an LC impedance network to perform impedance matching on an output signal of the wireless receiving module and then sends the output signal into the operational amplifier compensation adjusting circuit; the operational amplifier compensation regulating circuit comprises an operational amplifier AR1, wherein the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R4 and the cathode of a zener diode DZ1, and is connected with the output end of the impedance matching circuit through a resistor R1, the anode of the zener diode DZ1 is connected with the anode of a DZ2, the other end of the resistor R4 is connected with the cathode of the zener diode DZ2, the anode of a diode VD1 and the collector and base of a triode VT1, and is connected with the collector and base of the triode VT2 and the input end of the monitoring protection circuit through a resistor R6, and the output end of the operational amplifier AR1 is connected with the cathode of a diode VD1 and is connected with the emitters of the triodes VT1 and VT2 through resistors R5 and R7; the monitoring protection circuit comprises a sampling amplification unit and a filtering control unit, wherein the sampling amplification unit is used for sampling and amplifying the output signal of the operational amplifier compensation regulating circuit, comparing the signal with the amplification signal, controlling the filtering control unit to perform safety protection work by using the amplified and compared level signal, and finally sending the processed signal to the operation and maintenance server.
Furthermore, the impedance matching circuit comprises an inductor L1, one end of the inductor L1 is connected with the signal output end of the wireless receiving module, the other end of the inductor L1 is connected with one ends of capacitors C1 and C2, one end of the inductor L2 and the input end of the operational amplifier compensation circuit are connected through a capacitor C3, and the other ends of the capacitors C1 and C2 and the inductor L2 are grounded in parallel.
Further, the sampling amplification unit includes a varistor RP1, a pin 1 of the varistor RP1 is connected to a base of the transistor VT2 and one end of the resistors R8 and R14 and one end of the capacitor C7, the other end of the resistor R14 is connected to the signal receiving port of the operation and maintenance server and is grounded through a capacitor C8, pins 2 and 3 of the varistor RP1 are connected to the other end of the capacitor C7 and a collector of the transistor VT3, a base of the transistor VT3 is connected to a collector of the VT4, the other end of the resistor R8 and a non-inverting input terminal of the operational amplifier AR2, an emitter of the transistor VT3 is connected to one ends of the resistors R3 and R3, the other end of the resistor R3 is grounded, the other end of the resistor R3 is connected to the base of the transistor VT3, an emitter of the transistor VT3 is grounded through a resistor R3, an inverting input terminal of the operational amplifier AR 3 is connected to one end of the resistor R3 and one end of the pin 1 of the varistor RP, 3 is grounded, and the output end of the operational amplifier AR2 is connected with the input end of the filtering control unit.
Further, the filtering control unit comprises a MOS transistor Q1, a drain of the MOS transistor Q1 is connected to one end of an inductor L2, a gate of the MOS transistor Q1 is connected to a cathode of the zener diode DZ4 and an output end of the operational amplifier AR2 through a resistor R13, and is grounded through a capacitor C6, and an anode of the zener diode DZ4 is grounded.
Further, the wireless receiving module is a wireless communication base station.
Through the technical scheme, the invention has the beneficial effects that:
1. the impedance matching circuit adopts an LC impedance network to perform characteristic impedance matching on the wireless signal, reduces noise interference and avoids false actions, thereby improving the signal transmission efficiency;
2. the operational amplifier compensation adjusting circuit adopts an operational amplifier AR1 to amplify the output signal of the impedance matching circuit, and effectively inhibits the surge interference fluctuation quantity of the signal caused by external interference in the transmission process through the action of stabilizing the amplitude of a voltage stabilizing diode, thereby keeping good transmission stability, and meanwhile, the adjusting device is arranged to further improve the stability of the wireless signal enhancement processing process;
3. the monitoring protection circuit is designed with a sampling amplification unit which monitors the amplitude mutation of the output signal from the operational amplifier compensation adjustment circuit in real time and drives the filtering control unit to work when the wireless channel is attacked by high strong electromagnetic interference, thereby effectively inhibiting the malicious attack of external interference signals and providing good safety guarantee for the reception of data signals;
4. the monitoring protection circuit starts the filtering control unit to carry out protection work only when a fault occurs, and the working mode not only effectively reduces the energy consumption of the system, but also well ensures the working stable state of the operational amplifier compensation regulating circuit.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Cloud computing data safety operation and maintenance system, including wireless receiving module, safety monitoring module and operation and maintenance server, wireless receiving module is arranged in sending received wireless signal into safety monitoring module and handles, and during concrete setting, wireless receiving module chooses for use the wireless communication basic station to receive the data signal in the wireless channel to send the signal after will receiving the processing to safety monitoring module.
As shown in fig. 1, the safety monitoring module includes an impedance matching circuit, an operational amplifier compensation adjusting circuit and a monitoring protection circuit, the impedance matching circuit adopts an LC impedance network to perform impedance matching on an output signal of the wireless receiving module, the specific structure of the impedance matching circuit includes an inductor L1, one end of the inductor L1 is connected to a signal output end of the wireless receiving module, the other end of the inductor L1 is connected to one end of a capacitor C1 and a capacitor C2, and is connected to one end of an inductor L2 and an input end of the operational amplifier compensation circuit through a capacitor C3, and the other ends of the capacitors C1 and C2 and the inductor L2 are grounded in parallel. The LC impedance network composed of inductance and capacitance components matches the characteristic impedance of the wireless signal, reduces noise interference, avoids error operation, and improves signal transmission efficiency.
The signal after impedance matching is sent to an operational amplifier compensation adjusting circuit for signal enhancement processing, the operational amplifier compensation adjusting circuit comprises an operational amplifier AR1, the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R4 and the cathode of a voltage stabilizing diode DZ1, and is connected with the output end of the impedance matching circuit through a resistor R1, the anode of the voltage stabilizing diode DZ1 is connected with the anode of a DZ2, the other end of the resistor R4 is connected with the cathode of the voltage stabilizing diode DZ2, the anode of a diode VD1, the collector and the base of a triode VT1, the collector and the base of the triode VT2 are connected through a resistor R6, the output end of the operational amplifier AR1 is connected with the cathode of the diode VD1, and is connected with the emitters of the triodes VT1 and VT2 through resistors R5 and R7.
The operational amplifier compensation adjusting circuit adopts an operational amplifier AR1 to amplify the output signal of the impedance matching circuit, and the voltage stabilizing diodes DZ1 and DZ2 play the role of amplifying and stabilizing the amplitude at the feedback end of the operational amplifier AR1, thereby effectively inhibiting the surge interference fluctuation quantity of the signal caused by external interference in the transmission process and further keeping good transmission stability. Meanwhile, in order to better improve the signal amplification effect, an adjusting device composed of triodes VT1 and VT2 is arranged at the output end of the operational amplifier AR1, wherein the output signal of the operational amplifier AR1 is respectively shunted by resistors R5 and R7 and then sent to the emitting electrodes of the triodes VT1 and VT2, the conducting voltage of the triode VT1 is provided by a zener diode at the feedback end of the amplifier AR1, so that the triode VT1 is ensured to be in a stable working state, the triode VT1 serves as an adjusting tube in the adjusting device, reference control is provided for the conducting voltage of the triode VT2, and the stability of the wireless signal enhancement processing process is further improved.
The output signal of the operational amplifier compensation regulating circuit is sent into a monitoring protection circuit for real-time monitoring, the monitoring protection circuit comprises a sampling amplification unit and a filtering control unit, the sampling amplification unit is used for carrying out signal sampling and amplification comparison on the output signal of the operational amplifier compensation regulating circuit, the filtering control unit is controlled by the level signal after amplification comparison to carry out safety protection work, and finally the processed signal is sent to an operation and maintenance server.
The sampling amplification unit comprises a rheostat RP1, a pin 1 of the rheostat RP1 is connected with a base of a triode VT2 and one end of a resistor R8, a resistor R14 and one end of a capacitor C7, the other end of the resistor R14 is connected with a signal receiving port of an operation and maintenance server and is grounded through a capacitor C8, pins 2 and 3 of the rheostat RP1 are connected with the other end of a capacitor C7 and a collector of a triode VT3, a base of the triode VT3 is connected with a collector of the VT4, the other end of the resistor R8 and a non-inverting input end of an operational amplifier AR2, an emitter of the triode VT3 is connected with one end of resistors R3 and R3, the other end of the resistor R3 is grounded, the other end of the resistor R3 is connected with a base of the triode VT3, an emitter of the triode VT3 is grounded through a resistor R3, an inverting input end of the operational amplifier AR 3 is connected with one end of the resistor R3 and one end of the pin 1 of, the output end of the operational amplifier AR2 is connected with the input end of the filtering control unit.
The rheostat RP1 and the resistor R8 are connected in parallel to shunt the output signal of the operational amplifier compensation regulating circuit, so that the triode VT3 is electrically conducted, that is, the system performs sampling. The shunt current and the sampling signal can be changed by adjusting the resistance value of the rheostat RP1, and the capacitor C7 has a stabilizing effect on signals at two ends of the rheostat RP 1. The conduction of the triode VT3 promotes the base electrode of the triode VT4 to be electrified and conducted, the sampling signal is rapidly amplified by utilizing the combined triode amplification principle, the amplified output signal is sent to the non-inverting input end of the operational amplifier AR2, the operational amplifier AR2 compares and outputs the signal by utilizing the comparator principle, and the output signal of the comparator is used as a control signal to drive the filtering control unit to work. The filtering control unit comprises a MOS tube Q1, the drain electrode of the MOS tube Q1 is connected with one end of an inductor L2, the grid electrode of the MOS tube Q1 is connected with the cathode of a voltage stabilizing diode DZ4 and the output end of an operational amplifier AR2 through a resistor R13, the voltage stabilizing diode is grounded through a capacitor C6, and the anode of the voltage stabilizing diode DZ4 is grounded.
When the data signal in the wireless channel is attacked by high-intensity electromagnetic interference, the sampling amplification unit can rapidly monitor the amplitude mutation of the output signal from the operational amplifier compensation and adjustment circuit, and then the amplitude mutation is amplified by the combined triode and then sent to the operational amplifier AR2 for comparison. The amplitude of the sampling signal is increased to enable the signal voltage at the non-inverting input end of the operational amplifier AR2 to be higher than the threshold comparison voltage at the inverting input end thereof, so that the operational amplifier AR2 inverts and outputs a high-level signal, the high-level signal is stabilized by the zener diode DZ4 and then sent to the gate of the MOS transistor Q1, thereby driving the MOS transistor Q1 to be turned on, the capacitor C6 plays a buffering role in the gate voltage of the MOS transistor Q1, and the working stability of the MOS transistor Q1 is ensured. The conduction of the MOS transistor Q1 causes a second-order band-pass filter formed by the resistors R2 and R3 and the capacitors C4 and C5 to start working under the drive of the operational amplifier AR1, so that the whole operational amplifier compensation and adjustment circuit is added with a frequency-selecting filtering link, the central frequency of the band-pass filter is consistent with the frequency of a wireless signal, the purpose of filtering external noise high-frequency electromagnetic interference is achieved, and the safety of system data receiving is effectively guaranteed.
When the wireless receiving module is used specifically, the wireless receiving module receives the data signals in the wireless channel at first and sends the received and processed signals to the safety monitoring module. The safety monitoring module comprises an impedance matching circuit, an operational amplifier compensation adjusting circuit and a monitoring protection circuit, wherein the impedance matching circuit adopts an LC impedance network to carry out characteristic impedance matching on wireless signals, noise interference is reduced, and misoperation is avoided, so that the signal transmission efficiency is improved. The operational amplifier compensation adjusting circuit adopts an operational amplifier AR1 to amplify an output signal of the impedance matching circuit, the voltage stabilizing diodes DZ1 and DZ2 play the role of amplifying and stabilizing amplitude at the feedback end of the operational amplifier AR1, and effectively restrain the surge interference fluctuation quantity of the signal caused by external interference in the transmission process, so that good transmission stability is kept, meanwhile, an adjusting device consisting of triodes VT1 and VT2 is arranged at the output end of the operational amplifier AR1, and the stability performance of the wireless signal enhancement processing process is further improved.
The monitoring protection circuit is designed with a sampling amplification unit which monitors the amplitude mutation of an output signal from the operational amplifier compensation regulating circuit in real time, and drives a filtering control unit to work when a wireless channel is attacked by high strong electromagnetic interference, and the filtering control unit forms a second-order band-pass filter to enable the whole operational amplifier compensation regulating circuit to be added with a frequency-selective filtering link, so that the malicious attack of an external interference signal is effectively inhibited, and good safety guarantee is provided for the reception of a data signal. The monitoring protection circuit starts the filtering control unit to carry out protection work only when a fault occurs, and the working mode not only effectively reduces the energy consumption of the system, but also well ensures the working stable state of the operational amplifier compensation regulating circuit. And finally, the signals are filtered by an RC formed by a resistor R14 and a capacitor C8 and then are sent to an operation and maintenance server for processing, the operation and maintenance server monitors the operation condition of the whole platform in real time by utilizing the existing mature cloud computing data acquisition and analysis technology, the health conditions of a host, a virtual machine, a storage system and an application system can be effectively, accurately and timely evaluated, effective information is provided for system optimization and fault discovery, and the safety and stability of the operation of a system platform are ensured.
While the invention has been described in further detail with reference to specific embodiments thereof, it is not intended that the invention be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (5)
1. Cloud computing data safety operation and maintenance system, including wireless receiving module, safety monitoring module and operation and maintenance server, its characterized in that: the wireless receiving module is used for sending a received wireless signal into the safety monitoring module for processing, the safety monitoring module comprises an impedance matching circuit, an operational amplifier compensation adjusting circuit and a monitoring protection circuit, and the impedance matching circuit adopts an LC impedance network to carry out impedance matching on an output signal of the wireless receiving module and then sends the output signal into the operational amplifier compensation adjusting circuit;
the operational amplifier compensation regulating circuit comprises an operational amplifier AR1, wherein the inverting input end of the operational amplifier AR1 is connected with one end of a resistor R4 and the cathode of a zener diode DZ1, and is connected with the output end of the impedance matching circuit through a resistor R1, the anode of the zener diode DZ1 is connected with the anode of a DZ2, the other end of the resistor R4 is connected with the cathode of the zener diode DZ2, the anode of a diode VD1 and the collector and base of a triode VT1, and is connected with the collector and base of the triode VT2 and the input end of the monitoring protection circuit through a resistor R6, and the output end of the operational amplifier AR1 is connected with the cathode of a diode VD1 and is connected with the emitters of the triodes VT1 and VT2 through resistors R5 and R7;
the monitoring protection circuit comprises a sampling amplification unit and a filtering control unit, wherein the sampling amplification unit is used for sampling and amplifying the output signal of the operational amplifier compensation regulating circuit, comparing the signal with the amplification signal, controlling the filtering control unit to perform safety protection work by using the amplified and compared level signal, and finally sending the processed signal to the operation and maintenance server.
2. The cloud computing data security operation and maintenance system according to claim 1, wherein: the impedance matching circuit comprises an inductor L1, one end of the inductor L1 is connected with a signal output end of the wireless receiving module, the other end of the inductor L1 is connected with one ends of capacitors C1 and C2, one end of the inductor L2 and the input end of the operational amplifier compensation circuit are connected through a capacitor C3, and the other ends of the capacitors C1 and C2 and the inductor L2 are grounded in parallel.
3. The cloud computing data security operation and maintenance system according to claim 2, wherein: the sampling amplification unit comprises a rheostat RP1, a pin 1 of the rheostat RP1 is connected with a base of a triode VT2 and one ends of resistors R8 and R14 and a capacitor C7, the other end of the resistor R14 is connected with a signal receiving port of the operation and maintenance server and is grounded through a capacitor C8, pins 2 and 3 of the rheostat RP1 are connected with the other end of a capacitor C7 and a collector of a triode VT3, a base of the triode VT3 is connected with a collector of the VT4, the other end of the resistor R8 and a non-inverting input end of an operational amplifier AR2, an emitter of the triode VT3 is connected with one ends of resistors R3 and R3, the other end of the resistor R3 is grounded, the other end of the resistor R3 is connected with a base of the triode VT3, an emitter of the triode VT3 is grounded through a resistor R3, an inverting input end of the operational amplifier AR 3 is connected with one end of the resistor R3 and one end of the pin 1 of the resistor R3, the output end of the operational amplifier AR2 is connected to the input end of the filtering control unit.
4. The cloud computing data security operation and maintenance system according to claim 3, wherein: the filtering control unit comprises a MOS tube Q1, the drain electrode of the MOS tube Q1 is connected with one end of an inductor L2, the grid electrode of the MOS tube Q1 is connected with the cathode of a voltage stabilizing diode DZ4 and the output end of an operational amplifier AR2 through a resistor R13, the grid electrode of the MOS tube Q1 is grounded through a capacitor C6, and the anode of the voltage stabilizing diode DZ4 is grounded.
5. The cloud computing data security operation and maintenance system according to claim 5, wherein: the wireless receiving module is a wireless communication base station.
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