CN110392010B

CN110392010B - Intelligent service management system based on cloud computing

Info

Publication number: CN110392010B
Application number: CN201910690777.8A
Authority: CN
Inventors: 焦合军; 施进发; 郭贞贞
Original assignee: Zhengzhou Institute of Technology
Current assignee: Beijing Yunzhipan Digital Technology Co ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-07-28
Anticipated expiration: 2039-07-29
Also published as: CN110392010A

Abstract

The invention relates to an intelligent service management system based on cloud computing, wherein one path of a carrier signal receiving circuit is accessed to a reference carrier signal when a cloud server normally receives the signal through an RC frequency selection circuit, the other path of the carrier signal receiving circuit generates a reference carrier frequency signal through an oscillation circuit and carries out frequency fine tuning through control of a tuning circuit, so as to realize resonance with a carrier frequency signal to be detected when the cloud server receives the signal in real time, an offset calculating circuit calculates a frequency difference 1 between the reference carrier signal and the carrier signal to be detected through a first frequency difference circuit, the frequency difference 1 is higher than 1000kHz frequency difference 1 and is added to a second frequency difference circuit, a frequency difference 2 between the reference carrier signal and the frequency difference 1 is calculated and fed back to the first frequency difference circuit to play a role of reducing the frequency difference 1, a frequency voltage converting circuit receives the frequency difference 1 through a low pass filter and, which is applied as a control voltage to a carrier modulation circuit of a data terminal transmitter to adjust the carrier signal transmitted by the transmitter.

Description

Intelligent service management system based on cloud computing

Technical Field

The invention relates to the technical field of transmission control, in particular to an intelligent service management system based on cloud computing.

Background

The service management of cloud computing is to hopefully provide multiple cloud services which can be used simply and are elastically expandable for users in a cloud computing environment, and the cloud computing service management system is composed of end users, a service provider and an IaaS (the cloud computing service can be divided into three layers, namely infrastructure as a service, IaaS, platform as a service, PaaS and software as a service, SaaS)) provider, wherein the service provider purchases cloud resources from the IaaS provider, and provides multiple cloud services ensured by S L A for the end users in a SaaS mode.

The present invention provides a new solution to this problem.

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 an intelligent service management system based on cloud computing, which has the characteristics of ingenious conception and humanized design, and effectively solves the problem that the frequency of the carrier signal received by the cloud server and the frequency of the carrier signal sent by the data terminal have errors, and the signal received by the cloud server is distorted when the error is large.

The technical scheme for solving the problem is that the system comprises a plurality of client databases, a data terminal and a cloud server, wherein related local client service data gathered by the plurality of client databases are transmitted to the data terminal through a network, the data terminal is used as a data transmitting end and is transmitted to the cloud server through the network, and the cloud server is used for processing the data;

one path of the carrier signal receiving circuit is connected with a cloud server through an RC frequency selection circuit, a carrier signal to be detected is received from the cloud server, the other path of the carrier signal to be detected generates a reference carrier signal through an oscillation circuit taking a triode Q1 as a core, and the frequency fine adjustment is carried out through a tuning circuit taking a triode Q2 as the core, so that the resonance with the carrier signal to be detected received from the cloud server in real time is realized, the offset calculation circuit calculates the frequency difference 1 between the reference carrier signal and the carrier signal to be detected through a first frequency difference circuit taking a triode Q4 as the core, the frequency difference 1 higher than 1000kHz frequency difference 1 is added to a second frequency difference circuit taking a triode Q3 as the core through a high-pass filter circuit, the frequency difference 2 between the reference carrier signal and the first frequency difference is calculated and fed back to the first frequency difference circuit, the effect of reducing the frequency difference 1 is achieved, the frequency-voltage conversion circuit receives the frequency difference 1 through a low-pass filter taking the operational amplifier AR1 as a core, the frequency difference is buffered by a triode Q5 and then enters a frequency-voltage conversion circuit taking a chip U1 as a core to be converted into voltage, and the voltage is used as control voltage to be added to a carrier modulation circuit of a data terminal transmitter so as to adjust a carrier signal transmitted by the transmitter.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages: 1, one path of a carrier signal receiving circuit is connected with a cloud server through an RC frequency-selecting circuit, a carrier signal to be detected is received from the cloud server, the other path of the carrier signal receiving circuit generates a reference carrier signal through an oscillating circuit, and a tuning circuit is arranged to control the oscillating circuit to carry out frequency fine tuning, so that resonance with the carrier signal to be detected when the cloud server receives the reference carrier signal in real time is realized, and the accuracy of signal receiving is improved;

2, calculating a frequency difference 1 between a reference carrier signal and a carrier signal to be detected through a first frequency difference circuit, adding the frequency difference 1 higher than 1000kHz to a second frequency difference circuit through a high-pass filter circuit, calculating a frequency difference 2 between the reference carrier signal and the frequency difference 1, feeding back to the first frequency difference circuit to play a role of reducing the frequency difference 1, enabling the frequency difference 1 to be lower than 1000kHz and output to a frequency-voltage conversion circuit, buffering the frequency-voltage conversion circuit by a low-pass filter and a triode Q5 emitter follower, entering a frequency-voltage conversion circuit taking a chip U1 as a core, converting the frequency-voltage conversion circuit into a voltage value, serving as a control voltage, adding the control voltage to a carrier modulation circuit of a data terminal transmitter to adjust the carrier signal transmitted by the transmitter, and outputting the control voltage again to adjust the carrier signal transmitted by the transmitter if errors still exist in the second detection, so that the errors between the carrier signal received by, resulting in a problem of distortion of the signal received by the cloud server.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is a schematic circuit diagram of the present invention.

Detailed Description

The foregoing and other technical matters, features and effects 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 to 2. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

An intelligent service management system based on cloud computing comprises a plurality of client databases, a data terminal and a cloud server, wherein local client service related data gathered by the client databases are transmitted to the data terminal through a network, the data terminal is used as a data transmitting end and is transmitted to the cloud server through the network, and the cloud server carries out data processing;

the frequency difference between the reference frequency and the frequency difference of the reference frequency is calculated by the resistor R L, the frequency difference between the reference frequency and the reference frequency of the carrier signal is calculated by the resistor R L, the capacitor C L, the capacitor CP L, the inductor R366 and the inductor R L, and the frequency difference between the reference frequency and the reference frequency is calculated by the resistor R L, the inductor R L, the frequency difference of the reference frequency, the frequency difference is calculated by the resistor R L, the frequency difference between the reference frequency and the reference frequency of the resistor R L, the frequency difference is used as the frequency difference between the reference frequency of the reference frequency and the reference frequency, and the reference frequency difference of the reference frequency of the carrier signal when the frequency difference between the reference frequency and the reference frequency is converted from the reference frequency of the reference frequency, the resistor R L, the frequency difference is used as the frequency difference between the reference frequency, the reference frequency difference of the reference frequency when the reference frequency difference between the reference frequency is calculated by the resistor R L, the frequency difference of the frequency, the resistor R L, the frequency difference of the frequency, the frequency of the frequency difference of the frequency, the frequency of the frequency difference of the frequency, the frequency of the.

In the technical scheme, the carrier signal receiving circuit is connected with a cloud server through an RC frequency-selecting circuit formed by a resistor R series capacitor C and a resistor R parallel capacitor C, the carrier signal to be detected is received from the cloud server, the other circuit generates a reference carrier signal through a capacitor oscillation circuit formed by a triode Q, a capacitor C-capacitor C, a varactor DC, a resistor R and a resistor R, wherein an inductor 2, a capacitor C and a capacitor C provide stable power for the capacitor oscillation circuit through an inductor 1 after filtering a power source +5V, a tuning circuit formed by an inductor R-resistor R controls the oscillation circuit to carry out frequency fine adjustment by utilizing the characteristic that the maximum impedance is a pure resistor during resonance, the reference carrier signal generated by the capacitor oscillation circuit is subjected to resonance with a carrier signal to be detected received from the cloud server in real time, specifically, the reference carrier signal generated by the capacitor oscillation circuit passes through an inductor 3, the capacitor C, an R C parallel circuit formed by a resistor R and a resistor R to generate an impedance, the reference carrier signal RP is connected to a resistor R2 connected with a resistor R, the emitter of a resistor R, the resistor R + C, the emitter of the resistor C, the resistor R + R is connected with a resistor C, the emitter of the capacitor C, the resistor R + R is connected with a resistor C, the R + R.

In the above technical solution, the offset calculating circuit calculates a frequency difference 1 between a reference carrier signal and a carrier signal to be measured through a first frequency difference circuit composed of a transistor Q4, an inductor L3, an inductor L, a variable capacitor CP L and a resistor R L, when the frequency difference 1 is higher than 1000kHz, a high-pass filter circuit composed of an electrolytic capacitor E L, an electrolytic capacitor E L and an inductor L is added to a second frequency difference circuit composed of the transistor Q L, the inductor L, the capacitor C L, the variable capacitor CP L and the resistor R L, the second frequency difference circuit further accesses the reference carrier signal through a varactor DC L, therefore, the second frequency difference circuit calculates a frequency difference 2 between the reference carrier signal and the frequency difference 1, feeds back to the first frequency difference circuit to reduce the frequency difference 1, the frequency difference 1 is lower than 1000kHz and outputs to a frequency conversion circuit, the frequency difference is lower than 1000kHz, the frequency difference is made to a frequency conversion circuit, the frequency conversion circuit includes the transistor Q L, the base of the transistor Q L is connected to the other end of the grounding capacitor C L, the anode of the capacitor E L, the anode of the variable capacitor E L is connected to the grounding capacitor C L, the cathode of the anode of the variable capacitor C L of the variable capacitor E L, the anode of the variable capacitor C L, the anode of the variable capacitor E L is connected to the anode of the variable capacitor E L, the anode of the transistor Q L, the transistor E L, the anode of the transistor Q L.

In the above technical solution, the frequency-voltage conversion circuit passes through a low pass filter composed of an operational amplifier AR, a resistor R-resistor R, a capacitor C, and a capacitor C, so that a frequency difference 1 signal lower than 1000kHz passes through, and other frequency signals are blocked, and then coupled to the base of the transistor Q through the capacitor C, the resistor R and the resistor R are bias resistors, which are substantially emitter followers, and play a role of buffer isolation, and finally enter a chip U of type M331, a resistor R-resistor R, a capacitor C-capacitor C, and a potentiometer RW, so that the frequency-voltage conversion circuit converts the frequency value into a linear voltage value with a received frequency value, which is used as a control voltage to be applied to a carrier modulation circuit of a data terminal transmitter, so as to adjust a carrier signal transmitted by the transmitter (change the carrier frequency of the carrier modulation circuit by changing the control voltage, which is a conventional technique, and is not described in detail herein), so that a cloud server receives (receiver-to-be-measured) a carrier signal which meets requirements, the frequency-voltage conversion circuit includes a resistor R, a resistor, a.

When the frequency difference detection circuit is used, related data of local client service gathered by a plurality of client databases are transmitted to a data terminal through a network, the data terminal is transmitted to a cloud server through the network as a data transmitting end, the data processing is carried out by the cloud server, one path of the carrier signal receiving circuit is connected with the cloud server through an RC frequency selection circuit formed by serially connecting a resistor R with a capacitor C and a resistor R with a capacitor C in parallel, the carrier signal receiving circuit receives a carrier signal to be detected from the cloud server, the other path of the carrier signal receiving circuit generates a reference carrier signal through a triode Q, a capacitor C-capacitor C, a varactor DC, a capacitor oscillation circuit formed by the resistor R and the resistor R, the reference carrier signal is generated by utilizing the characteristic that the impedance is the minimum of pure resistance during resonance, an inductor 1 and an inductor 2 are arranged, a tuning circuit is controlled by a tuning circuit formed by the triode Q, the varactor DC and the resistor R-resistor R to carry out frequency fine tuning, the carrier signal to be detected is resonated with the carrier signal received from the cloud server in real time through frequency fine tuning of a voltage fine tuning circuit through a voltage fine tuning circuit composed of the triode Q, a frequency adjustment resistor R-resistor R, a voltage divider circuit composed of the varactor, a resistor R-resistor R, a resistor R-resistor R, a frequency adjustment circuit is changed to a frequency difference between a frequency value of a frequency value to be detected and a frequency, the frequency difference of a frequency difference value of a carrier signal to be detected signal frequency difference, a carrier signal frequency difference detection circuit to be detected signal frequency, the frequency difference detection circuit, a carrier signal detection circuit to be detected signal detection circuit, a carrier signal detection circuit is calculated by a resistor R-frequency difference, a resistor R-frequency difference detection circuit, a detection circuit is calculated by a detection circuit.

Claims

1. An intelligent service management system based on cloud computing comprises a plurality of client databases, a data terminal and a cloud server, wherein local client service related data gathered by the client databases are transmitted to the data terminal through a network, the data terminal transmits the received data to the cloud server through the network, and the cloud server carries out data processing;

one path of the carrier signal receiving circuit is connected with a cloud server through an RC frequency selection circuit, a carrier signal to be detected is received from the cloud server, the other path of the carrier signal to be detected generates a reference carrier signal through an oscillation circuit taking a triode Q1 as a core, and the oscillation circuit is controlled to carry out frequency fine adjustment through a tuning circuit taking a triode Q2 as the core, so that resonance with the carrier signal to be detected received from the cloud server in real time is realized, the offset calculation circuit calculates a first frequency difference between the reference carrier signal and the carrier signal to be detected through a first frequency difference circuit taking a triode Q4 as the core, the first frequency difference higher than 1000kHz is added to a second frequency difference circuit taking a triode Q3 as the core through a high-pass filter circuit, a second frequency difference between the reference carrier signal and the first frequency difference is calculated and fed back to the first frequency difference circuit to play a role in reducing the first frequency difference, so that the first frequency difference, the frequency-voltage conversion circuit receives the first frequency difference through a low-pass filter taking the operational amplifier AR1 as a core, the first frequency difference is buffered by a triode Q5 and then enters a frequency-voltage conversion circuit taking a chip U1 as a core to be converted into voltage, and the voltage is used as control voltage to be added to a carrier modulation circuit of a data terminal transmitter so as to adjust a carrier signal transmitted by the transmitter.

2. The system according to claim 1, wherein the carrier signal receiving circuit includes a resistor R1, a capacitor C3, and a transistor Q3, one end of the resistor R3 is connected to a carrier signal to be tested, the other end of the resistor R3 is connected to one end of a ground resistor R3, one end of the ground capacitor C3, and one end of the capacitor C3 through the capacitor C3, one end of the capacitor C3 is connected to a base of the transistor Q3, an emitter of the transistor Q3 is connected to one end of the capacitor C3, one end of the capacitor C3 and one end of the resistor R3, the other end of the capacitor C3, and the other end of the resistor R3 are all connected to ground, a collector of the transistor Q3 is connected to the other end of the capacitor C3, one end of the inductor R3, one end of the resistor R3, a collector of the transistor Q3, one end of the inductor R3, one end of the resistor R3, a negative electrode of the resistor R3, a power source of a resistor R3, a resistor P + a resistor P is connected to a resistor P + a resistor P of a resistor P, a resistor P2, a resistor P of a resistor P.

3. The cloud-computing-based intelligent service management system according to claim 2, wherein the offset calculation circuit includes a transistor Q4, a base of the transistor Q4 is connected to the other end of a capacitor C4, the other end of the capacitor C4, one end of a grounded inductor 4, an emitter of the transistor Q4 is connected to-10V through a resistor R4, a collector of the transistor Q4 is connected to one end of a variable capacitor CP 4 and one end of an inductor 4, the other end of the variable capacitor CP 4 is connected to ground, the other end of the inductor 4 is connected to one end of a resistor R4 and a cathode of an electrolytic capacitor E4, an anode of the electrolytic capacitor E4 is connected to one end of a grounded inductor 4, a cathode of the electrolytic capacitor E4 is connected to one end of the capacitor C4, the other end of the capacitor C4 is connected to one end of a grounded inductor R4, one end of a grounded capacitor C4, a base of the capacitor E4, a cathode of the capacitor E4 is connected to a variable capacitor CP of the variable capacitor CP 4, and a cathode of the variable capacitor CP is connected to the emitter of the variable capacitor C4, and a variable capacitor C4, the other end of the variable capacitor C4 is connected to the variable capacitor C4, the variable capacitor C4 is connected to the emitter of the variable capacitor.

4. The system according to claim 3, wherein the frequency-voltage conversion circuit includes a resistor R9, one end of a resistor R9 is connected to the other end of an inductor L5, the other end of a resistor R9 is connected to one end of a capacitor C14, one end of a resistor R10, and one end of a resistor R11, the other end of a resistor R10 is connected to one end of a capacitor C13 and the inverting input terminal of an operational amplifier AR1, the other end of the capacitor C1 is connected to the other end of the resistor R1, the output end of the operational amplifier AR1 and one end of the capacitor C1, the VCC terminal of the operational amplifier AR1 is connected to a power supply +10V, the non-inverting input terminal and the GND terminal of the operational amplifier AR1, the other end of the capacitor C1 is connected to ground, the other end of the capacitor C1 is connected to the base of a transistor Q1 and one end of the resistor R1, the collector of the transistor Q1 is connected to a power supply +10V, the other end of the resistor R1, the emitter of the transistor Q1 is connected to the ground, the ground terminal of the resistor R1, the other end of the resistor R1 is connected to the ground terminal 1, the frequency-frequency converter R1, the frequency-frequency converter-frequency converter-frequency converter-frequency converter-frequency-.