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Data security intelligent operation and maintenance monitoring system

A technology for operation and maintenance monitoring and data security, which is applied in the direction of control/regulation system, adjustment of electrical variables, instruments, etc., can solve the problems of signal transmission attenuation, anti-interference and poor stability, and achieve the goal of avoiding disorder and improving signal transmission stability Effect

Active Publication Date: 2019-01-29
浙江宏远智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above situation, in order to overcome the defects of the existing technology, the purpose of the present invention is to provide a data security intelligent operation and maintenance monitoring system, which has the characteristics of ingenious conception and humanized design, and effectively solves the problem of signal transmission in the data security intelligent operation and maintenance monitoring system. Technical problems of attenuation, anti-jamming and poor stability

Method used

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Examples

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Effect test

Embodiment 1

[0014] Embodiment 1, the data security intelligent operation and maintenance monitoring system includes an anti-interference circuit, a signal amplitude adjustment circuit and a feedback voltage stabilization circuit, and the anti-interference circuit receives the signal transmission channel input of the control terminal in the intelligent terminal system of the real estate payment and certification integrated equipment The signal at the terminal is suppressed by the transient suppression diode VD1 to suppress the electromagnetic interference, and the RC absorption circuit composed of the resistor RT1 and the capacitor C1 further absorbs the electromagnetic interference and discharges it to the ground, so as to prevent the signal from being interfered by the external signal during the signal transmission at the input end of the signal transmission channel. The problem is that the frequency selection circuit composed of variable capacitor CY, capacitor C2 and inductor L1 screens ...

Embodiment 2

[0015] Embodiment 2, on the basis of Embodiment 1, the signal amplitude adjustment circuit outputs a first impedance transformation circuit composed of inductance L2, L3, capacitors C3, C4, and resistance RA, which is the same as the internal resistance of the received anti-interference circuit output signal. Match the resistance value, so that the output signal of the anti-interference circuit can be transmitted to the rear stage effectively and without attenuation, and then enter the resonant circuit composed of inductor L4, capacitor C5, resistor R2, and diode D1 for further frequency selection, on the one hand, improve the anti-interference ability On the other hand, the resonant impedance is used as the input resistance of the inverting input terminal of the operational amplifier AR1, and is proportionally amplified by the amplifier composed of the operational amplifier AR1, resistor R3, and resistor R4. When the signal amplitude is lower than 0.7 or higher than 5.7V, the r...

Embodiment 3

[0016] Embodiment 3, on the basis of Embodiment 1, the anti-interference circuit receives the signal at the input end of the signal transmission channel for the control terminal in the intelligent terminal system of the real estate payment and certification integrated equipment, and first suppresses electromagnetic interference through the transient suppression diode VD1, and then Enter the RC absorption circuit composed of resistor RT1 and capacitor C1 to further absorb electromagnetic interference and release it to the ground, so as to avoid the problem that the signal at the input end of the signal transmission channel is interfered by external signals during signal transmission, and finally through the variable capacitor CY and capacitor C2 and The frequency selection circuit composed of inductor L1 screens out the single frequency signal of the signal at the input end of the signal transmission channel and transmits it backwards, so that other frequency signals are blocked,...

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Abstract

The invention discloses a data security intelligent operation and maintenance monitoring system. A signal received by an anti-interference circuit is subjected to suppression, electromagnetic interference absorption and frequency selection and then enters a signal amplitude adjustment circuit. A first impedance conversion circuit outputs a resistance value matched with the internal resistance of the signal, and the resistance value is effectively transmitted and used as an input resistance of an operational amplifier AR1 for proportional amplification. When the signal amplitude is abnormal, asecond impedance conversion circuit outputs a resistance value matched with the internal resistance of the difference signal to be in parallel with the output resistance value of the first impedance conversion circuit for changing the amplification factor of the operational amplifier AR1 for amplitude adjustment. When the signal amplitude is normal, the signal enters a feedback voltage regulator circuit, a transistor Q2, a transistor Q3, a Zener diode Z3 and a capacitor C6 form a voltage regulator circuit to stabilize the voltage, and an operational amplifier AR3 and a transistor Q4 are designed to output the voltage after the feedback of voltage stabilization. The system effectively solves the technical problems of signal transmission attenuation, poor anti-interference and stability of the data security intelligent operation and maintenance monitoring system.

Description

technical field [0001] The invention relates to the field of circuit technology, in particular to a data security intelligent operation and maintenance monitoring system. Background technique [0002] The data security intelligent operation and maintenance monitoring system adopts the disaster recovery mode of "two places and three centers", including two location areas and three server data centers. It is necessary to connect the three servers through the network so that the monitoring can work normally. The database server refers to the central database directly connected to the business system. It can read and write data. It is an independent database server. Two standby database servers, namely the local standby database server, refer to the standby database placed in the same area as the main database. The remote standby database server refers to the standby database placed in a geographically different area from the main database. [0003] The main functions of the "t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/56
CPCG05F1/56
Inventor 谢芝强杨旭沈文选
Owner 浙江宏远智能科技有限公司
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