CN111953306B - Big data multi-center combined control system - Google Patents
Big data multi-center combined control system Download PDFInfo
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- CN111953306B CN111953306B CN202010873548.2A CN202010873548A CN111953306B CN 111953306 B CN111953306 B CN 111953306B CN 202010873548 A CN202010873548 A CN 202010873548A CN 111953306 B CN111953306 B CN 111953306B
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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
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
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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
Abstract
The invention discloses a big data multi-center joint control system, which comprises a signal sampling module and a following calibration module, wherein the signal sampling module samples node output signals in the big data multi-center joint control system by using a signal sampler J1 with the model of DAM-3056AH, the following calibration module uses a controllable silicon D5 to detect output signals of an operational amplifier AR3, if the signals are overlarge, the controllable silicon D5 is triggered to be conducted, a signal at the reverse phase signal input end of the operational amplifier AR3 is directly shunted to the output end of the operational amplifier AR4, a feedback signal of the controllable silicon D5 is followed by a signal at the non-phase input end of the operational amplifier AR4 through the operational amplifier AR6 so as to compensate the output signals of a differential comparison circuit, a PNP triode Q2 is used to detect signals at the non-phase input end of the operational amplifier AR4 and the output end of the operational amplifier AR4, the signals are buffered by the operational amplifier AR3 and then are directly, and finally, the signals are sent to the system terminal through a signal transmitter E1, and the system terminal timely responds to adjust the signal frequency of the multi-center terminal node.
Description
Technical Field
The invention relates to the technical field of big data, in particular to a big data multi-center combined control system.
Background
"big data" refers to a huge data set collected from many sources in a multivariate way, often with real-time nature, and in the case of business-to-business sales, the data may be obtained from social networks, e-commerce websites, customer visiting records, and many other sources, and the data is not a normal data set of a company customer relationship management database. With the continuous development of big data, a single big data center has gradually evolved into a multi-center joint control system to better adapt to the multi-functional application of big data, however, the signal interaction between multi-center terminals will deepen the risks of signal attenuation and packet loss, and seriously affect the operating condition of the big data multi-center joint control system.
Disclosure of Invention
In view of the above situation, to overcome the defects in the prior art, an object of the present invention is to provide a big data multi-center joint control system, which can sample and adjust the output signals of the nodes in the big data multi-center joint control system and convert the sampled and adjusted output signals into the correction signals of the system terminals.
The technical scheme includes that the big data multi-center combined control system comprises a signal sampling module and a following calibration module, wherein the signal sampling module samples node output signals in the big data multi-center combined control system by using a signal sampler J1 with the model of DAM-3056AH, the following calibration module receives the output signals of the signal sampling module, and the output signals of the following calibration module are sent to a system terminal through a signal transmitter E1;
the following calibration module comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R3 and one end of a capacitor C4, the other end of the capacitor C4 is grounded, the other end of the resistor R3 is connected with an output port of the signal sampling module and one end of a capacitor C3, the other end of the capacitor C3 is connected with a control electrode of a thyristor D2, one end of a resistor R7 and one end of a resistor R8, the cathode of a diode D3, the base of a triode Q3 and the output end of the operational amplifier AR3, the inverting input end of the operational amplifier AR3 is connected with one end of the resistor R3, one end of the resistor R3 and the other end of the resistor R3 are grounded, the other end of the resistor R3 is connected with one end of the resistor R3 and a power supply +5V, the other end of the resistor R3 is connected with the collector of the triode Q3, the other end of the resistor R3 is connected with the non-inverting input end of the, the output end of the operational amplifier AR3 is connected with the control electrode of the thyristor D5 and the inverting input end of the operational amplifier AR4, the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R10 and a resistor R11, the other end of the resistor R11 is grounded, the output end of the operational amplifier AR 11 is connected with the base electrode of the resistor R11 and the base electrode of the transistor Q11, the non-inverting input end of the operational amplifier AR 11 and the cathode electrode of the diode D11, the anode electrode of the diode D11 is connected with the output end of the operational amplifier AR 11 and one end of the resistor R11, the inverting input end of the operational amplifier AR 11 is connected with the other end of the resistor R11, the non-inverting input end of the operational amplifier AR 11 is connected with the cathode electrode of the thyristor D11, the anode electrode of the thyristor D11 is connected with the power supply +5V, the collector electrode of the output end of the operational amplifier AR 11, the cathode electrode of the thyristor Q11 and one end of the resistor R11 are connected with the non-inverting input end of the operational amplifier AR 11, the non-inverting input end of the transistor R36, the other end of the resistor R9 is connected with the anode of the diode D3, and the other end of the resistor R14 is connected with the signal transmitter E1.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages;
1. the noise reduction circuit is formed by an operational amplifier AR1, a capacitor C3 and a capacitor C4 to reduce the signal-to-noise ratio, then a differential comparison circuit is formed by an operational amplifier AR2 and an operational amplifier AR3 to stabilize the static working point of a signal, the non-inverting input ends of the operational amplifier AR2 and the operational amplifier AR3 are connected into a differential circuit, in order to prevent the output signal of the noise reduction circuit from containing a peak signal and exceeding the adjusting range of the differential comparison circuit, a triode Q3 is used for detecting the peak signal and feeding the peak signal back to the inverting input end of the operational amplifier AR3, the output end signal of an operational amplifier AR3 is reduced to achieve the effect of adjusting the output signal potential of the operational amplifier AR 829;
2. three paths of feedback regulation modes are adopted for fine-tuning signals, a first path uses a controlled silicon D5 to detect the output signal of the operational amplifier AR3, if the signal is too large, a controlled silicon D5 is triggered to be conducted, the signal of the reverse phase signal input end of the operational amplifier AR3 is directly shunted to the output end of the operational amplifier AR4, a second path uses a controlled silicon D2 to detect the output signal potential of the operational amplifier AR1, the feedback signal of the thyristor D5 follows the signal to the non-inverting input terminal of the operational amplifier AR4 through the operational amplifier AR6, therefore, the output signal of the differential comparison circuit is compensated, the third circuit uses a PNP triode Q2 to detect signals of the non-inverting input end of the operational amplifier AR4 and the output end of the operational amplifier AR4, the signals are buffered by the operational amplifier AR3 and then directly fed back to the output end of the operational amplifier AR1, the compensation and calibration effects are achieved, finally the signals are sent to the system terminal through the signal transmitter E1, and the system terminal timely responds to adjust the signal frequency of the multi-center terminal node.
Drawings
FIG. 1 is a block diagram of a big data multi-center joint control system according to 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.
In the first embodiment, a big data multi-center joint control system comprises a signal sampling module and a following calibration module, wherein the signal sampling module samples a node output signal in the big data multi-center joint control system by using a signal sampler J1 with the model of DAM-3056AH, the following calibration module receives the signal sampling module output signal, and the following calibration module output signal is sent to a system terminal through a signal transmitter E1;
in order to reduce the risk that signal attenuation and packet loss will be deepened by signal interaction between multiple center terminals, node signals in a big data multiple center combined control system need to be detected in real time, then the signal frequency of multiple center terminal nodes is adjusted, the risk of signal attenuation and packet loss is reduced, however, the accuracy of signals received by the system terminals needs to be ensured, and the sampled signals are prevented from being interfered by line loss or common-frequency signals in the transmission process, so that a signal sampler J1 with the model of DAM-3056AH is firstly used for sampling node output signals in the big data multiple center combined control system, then a pi-type filter circuit consisting of a capacitor C1, a capacitor C2 and a resistor R1 is used for filtering the signals, and the signals are preprocessed by a following calibration module;
the calibration module firstly uses the operational amplifier AR1, the capacitor C3 and the capacitor C4 to form a noise reduction circuit to reduce the signal-to-noise ratio, uses the capacitor C3 as a decoupling capacitor to directly reduce the noise ratio of an in-phase feedback output signal of the operational amplifier AR1, and simultaneously uses the capacitor C4 as a bypass capacitor of an in-phase input end of the operational amplifier AR1 to reduce the low-frequency harmonic of the signal of the in-phase input end of the operational amplifier AR1, thereby realizing the effect of the noise reduction circuit to reduce the signal-to-noise ratio; then, an operational amplifier AR 2-an operational amplifier AR3 are used for forming a differential comparison circuit to stabilize a signal static working point, the operational amplifier AR2 and the operational amplifier AR3 are connected into a differential circuit at non-inverting input ends, in order to prevent a noise reduction circuit output signal from containing a peak signal and exceeding the adjustment range of the differential comparison circuit, a triode Q3 is used for detecting the peak signal and feeding the peak signal back into an inverting input end of an operational amplifier AR3, the signal at the output end of the operational amplifier AR3 is reduced to achieve the function of adjusting the potential of an output signal of the operational amplifier AR4, so as to filter the signal peak, in order to further ensure the stability of the signal amplitude and improve the accuracy of the signal received by a system terminal, a three-way feedback adjustment mode is used for fine adjustment of the signal, a first path uses a silicon controlled rectifier D5 for detecting the output signal of the operational amplifier AR3, if the signal is too large, the silicon controlled rectifier, the situation that the potential of the reverse phase input end of the operational amplifier AR4 is too large to cause the potential of the output signal of the operational amplifier AR4 to be too small is prevented, the potential of the output signal of the operational amplifier AR1 is detected by the thyristor D2 at the second path, if the potential of the output signal of the operational amplifier AR1 is too large, the signal exceeds the adjusting range of the differential comparison circuit, meanwhile, in order to ensure the signal strength, the feedback signal of the thyristor D5 follows the signal to the non-inverting input terminal of the operational amplifier AR4 through the operational amplifier AR6, therefore, the output signal of the differential comparison circuit is compensated, the third circuit uses a PNP triode Q2 to detect signals of the non-inverting input end of the operational amplifier AR4 and the output end of the operational amplifier AR4, if the signal difference is low level, the triode Q2 is conducted, the signals are buffered by the operational amplifier AR3 and then directly fed back to the output end of the operational amplifier AR1, the compensation and calibration functions are achieved, the function of adjusting the output signal of the operational amplifier AR4 is realized through a three-way feedback adjusting mode, the stability of signal transmission is improved, and the signal is finally sent to a system terminal through a signal transmitter E1;
the following calibration module comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R3 and one end of a capacitor C4, the other end of the capacitor C4 is grounded, the other end of the resistor R3 is connected with an output port of the signal sampling module and one end of a capacitor C3, the other end of the capacitor C3 is connected with a control electrode of a thyristor D2, one end of a resistor R7 and one end of a resistor R8, the cathode of a diode D3, the base of a triode Q3 and the output end of the operational amplifier AR3, the inverting input end of the operational amplifier AR3 is connected with one end of the resistor R3, one end of the resistor R3 and the other end of the resistor R3 are grounded, the other end of the resistor R3 is connected with one end of the resistor R3 and a power supply +5V, the other end of the resistor R3 is connected with the collector of the triode Q3, the other end of the resistor R3 is connected with the non-inverting input end of the, the output end of the operational amplifier AR3 is connected with the control electrode of the thyristor D5 and the inverting input end of the operational amplifier AR4, the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R10 and a resistor R11, the other end of the resistor R11 is grounded, the output end of the operational amplifier AR 11 is connected with the base electrode of the resistor R11 and the base electrode of the transistor Q11, the non-inverting input end of the operational amplifier AR 11 and the cathode electrode of the diode D11, the anode electrode of the diode D11 is connected with the output end of the operational amplifier AR 11 and one end of the resistor R11, the inverting input end of the operational amplifier AR 11 is connected with the other end of the resistor R11, the non-inverting input end of the operational amplifier AR 11 is connected with the cathode electrode of the thyristor D11, the anode electrode of the thyristor D11 is connected with the power supply +5V, the collector electrode of the output end of the operational amplifier AR 11, the cathode electrode of the thyristor Q11 and one end of the resistor R11 are connected with the non-inverting input end of the operational amplifier AR 11, the non-inverting input end of the transistor R36, the other end of the resistor R9 is connected with the anode of the diode D3, and the other end of the resistor R14 is connected with the signal transmitter E1; the signal sampling module comprises a DAM-3056AH signal sampler J1, a power supply end of a signal sampler J1 is connected with +5V, a ground end of the signal sampler J1 is grounded, an output end of the signal sampler J1 is connected with a negative electrode of a voltage regulator tube D1, one end of a resistor R1 and one end of a capacitor C1, a positive electrode of the voltage regulator tube D1 is grounded, the other end of the capacitor C1 is grounded, the other end of the resistor R1 is connected with one end of a resistor R2 and one end of a capacitor C2, the other end of the capacitor C2 is grounded, and the other end of the resistor R2 is connected with a signal input port of the.
When the large data multi-center combined control system is used specifically, the large data multi-center combined control system comprises a signal sampling module and a following calibration module, wherein the signal sampling module samples node output signals in the large data multi-center combined control system by using a signal sampler J1 with the model of DAM-3056AH, the following calibration module firstly uses an operational amplifier AR1, a capacitor C3 and a capacitor C4 to form a noise reduction circuit to reduce the signal-to-noise ratio, uses the capacitor C3 as a decoupling capacitor to directly reduce the noise ratio of an in-phase feedback output signal of the operational amplifier AR1, and simultaneously uses a capacitor C4 as a bypass capacitor at the in-phase input end of the operational amplifier AR1 to reduce the low-frequency harmonic of the signal at the in-phase input end of the operational amplifier AR1, so that the noise reduction; then, an operational amplifier AR 2-an operational amplifier AR3 are used for forming a differential comparison circuit to stabilize a signal static working point, the operational amplifier AR2 and the operational amplifier AR3 are connected into a differential circuit at non-inverting input ends, in order to prevent a noise reduction circuit output signal from containing a peak signal and exceeding the adjustment range of the differential comparison circuit, a triode Q3 is used for detecting the peak signal and feeding the peak signal back into an inverting input end of an operational amplifier AR3, the signal at the output end of the operational amplifier AR3 is reduced to achieve the function of adjusting the potential of an output signal of the operational amplifier AR4, so as to filter the signal peak, in order to further ensure the stability of the signal amplitude and improve the accuracy of the signal received by a system terminal, a three-way feedback adjustment mode is used for fine adjustment of the signal, a first path uses a silicon controlled rectifier D5 for detecting the output signal of the operational amplifier AR3, if the signal is too large, the silicon controlled rectifier, the situation that the potential of the reverse phase input end of the operational amplifier AR4 is too large to cause the potential of the output signal of the operational amplifier AR4 to be too small is prevented, the potential of the output signal of the operational amplifier AR1 is detected by the thyristor D2 at the second path, if the potential of the output signal of the operational amplifier AR1 is too large, the signal exceeds the adjusting range of the differential comparison circuit, meanwhile, in order to ensure the signal strength, the feedback signal of the thyristor D5 follows the signal to the non-inverting input terminal of the operational amplifier AR4 through the operational amplifier AR6, therefore, the output signal of the differential comparison circuit is compensated, the third circuit uses a PNP triode Q2 to detect signals of the non-inverting input end of the operational amplifier AR4 and the output end of the operational amplifier AR4, if the signal difference is low level, the triode Q2 is conducted, the signals are buffered by the operational amplifier AR3 and then directly fed back to the output end of the operational amplifier AR1, the compensation and calibration functions are achieved, the function of adjusting the output signal of the operational amplifier AR4 is realized through a three-way feedback adjusting mode, the stability of signal transmission is improved, and finally the signal is sent to a system terminal through a signal transmitter E1.
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 (2)
1. A big data multi-center joint control system comprises a signal sampling module and a following calibration module, and is characterized in that the signal sampling module samples output signals of nodes in the big data multi-center joint control system by using a signal sampler J1 with the model of DAM-3056AH, the following calibration module receives the output signals of the signal sampling module, and the output signals of the following calibration module are sent to a system terminal through a signal transmitter E1;
the following calibration module comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with one end of a resistor R3 and one end of a capacitor C4, the other end of the capacitor C4 is grounded, the other end of the resistor R3 is connected with an output port of the signal sampling module and one end of a capacitor C3, the other end of the capacitor C3 is connected with a control electrode of a thyristor D2, one end of a resistor R7 and one end of a resistor R8, the cathode of a diode D3, the base of a triode Q3 and the output end of the operational amplifier AR3, the inverting input end of the operational amplifier AR3 is connected with one end of the resistor R3, one end of the resistor R3 and the other end of the resistor R3 are grounded, the other end of the resistor R3 is connected with one end of the resistor R3 and a power supply +5V, the other end of the resistor R3 is connected with the collector of the triode Q3, the other end of the resistor R3 is connected with the non-inverting input end of the, the output end of the operational amplifier AR3 is connected with the control electrode of the thyristor D5 and the inverting input end of the operational amplifier AR4, the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R10 and a resistor R11, the other end of the resistor R11 is grounded, the output end of the operational amplifier AR 11 is connected with the base electrode of the resistor R11 and the base electrode of the transistor Q11, the non-inverting input end of the operational amplifier AR 11 and the cathode electrode of the diode D11, the anode electrode of the diode D11 is connected with the output end of the operational amplifier AR 11 and one end of the resistor R11, the inverting input end of the operational amplifier AR 11 is connected with the other end of the resistor R11, the non-inverting input end of the operational amplifier AR 11 is connected with the cathode electrode of the thyristor D11, the anode electrode of the thyristor D11 is connected with the power supply +5V, the collector electrode of the output end of the operational amplifier AR 11, the cathode electrode of the thyristor Q11 and one end of the resistor R11 are connected with the non-inverting input end of the operational amplifier AR 11, the non-inverting input end of the transistor R36, the other end of the resistor R9 is connected with the anode of the diode D3, and the other end of the resistor R14 is connected with the signal transmitter E1.
2. The big data multi-center joint control system as claimed in claim 1, wherein the signal sampling module comprises a signal sampler J1 with model number DAM-3056AH, a power supply end of the signal sampler J1 is connected with +5V, a ground end of the signal sampler J1 is connected with ground, an output end of the signal sampler J1 is connected with a negative electrode of a voltage regulator D1 and one end of a resistor R1 and a capacitor C1, an anode of the voltage regulator D1 is connected with ground, the other end of the capacitor C1 is connected with ground, the other end of the resistor R1 is connected with one end of a resistor R2 and a capacitor C2, the other end of the capacitor C2 is connected with ground, and the other end of the resistor R2 is connected with a signal input port of the calibration.
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