CN109194294B - Real estate payment and certificate issuing integrated equipment intelligent terminal system - Google Patents
Real estate payment and certificate issuing integrated equipment intelligent terminal system Download PDFInfo
- Publication number
- CN109194294B CN109194294B CN201811108740.1A CN201811108740A CN109194294B CN 109194294 B CN109194294 B CN 109194294B CN 201811108740 A CN201811108740 A CN 201811108740A CN 109194294 B CN109194294 B CN 109194294B
- Authority
- CN
- China
- Prior art keywords
- operational amplifier
- resistor
- signal
- capacitor
- inverting input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/42—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for ticket printing or like apparatus, e.g. apparatus for dispensing of printed paper tickets or payment cards
-
- 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 an intelligent terminal system of real estate payment and certification integrated equipment, wherein an anti-interference circuit inhibits and absorbs electromagnetic interference and frequency selection of received signals, the received signals enter a signal amplitude regulating circuit, an amplifier taking an operational amplifier AR1 as a core performs proportional amplification, a window circuit detects whether the signal amplitude is abnormal or not, when the signal amplitude is abnormal, a difference signal is added to an emitter of a single junction tube Q1, by changing the conduction angle of the unijunction transistor Q1, the signal coupled to the input of the operational amplifier AR1 is changed, when the signal amplitude is normal, the signal enters a hysteresis voltage stabilizing circuit, the signal after proportional amplification is filtered, and a hysteresis comparator eliminates small voltage change near the signal amplitude value after the proportional amplification, so that stable voltage is input into a control terminal signal transmission channel in the real estate payment and certification integrated equipment intelligent terminal system after the anti-interference capacity is improved. The technical problems of attenuation, interference resistance and poor stability of data security intelligent operation and maintenance monitoring system signal transmission are effectively solved.
Description
Technical Field
The invention relates to the technical field of real estate payment and certificate issuing integrated equipment, in particular to a smart terminal system of real estate payment and certificate issuing integrated equipment.
Background
The real estate payment and certification integrated equipment intelligent terminal system comprises a hall office worker operation function and a general user operation function; the hall office operator functions include: homepage display, Ukey login, to-do reminding, batch printing of lists and real estate certificate printing; typical user operating functions include: homepage display, a pickup list, payment amount, payment, a pickup certificate list and certificate printing; the system is matched with the current real estate registration standard of the country, and the absolute safety of network information needs to be ensured because the system needs to ensure, an internal unique information network is used in the network, and in the process of transmitting signals of a signal transmission channel for a control terminal in the intelligent terminal system of the real estate payment and certification integrated equipment, the absolute stability of the signals needs to be ensured in the transmission of the real estate registration signals.
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 invention aims to provide the smart terminal system of the real estate payment and certification integrated equipment, which has the characteristics of ingenious design and humanized design and effectively solves the technical problems of attenuation, interference resistance and poor stability of signal transmission of the smart terminal system of the real estate payment and certification integrated equipment.
The technical scheme includes that the device comprises an anti-jamming circuit, a signal amplitude adjusting circuit and a hysteresis voltage stabilizing circuit, and is characterized in that the anti-jamming circuit receives signals at the input end of a signal transmission channel for a control terminal in an intelligent terminal system of real estate payment and certification integrated equipment, electromagnetic interference is suppressed through a transient suppression diode VD1, a resistor RT1 and a capacitor C1 are used for further absorbing the electromagnetic interference, the electromagnetic interference is discharged to the ground, a variable capacitor CY, a capacitor C2 and an inductor L1 are used for screening single frequency signals in the signals, the single frequency signals enter the signal amplitude adjusting circuit, the signal amplitude adjusting circuit firstly performs proportional amplification through an amplifier taking an operational amplifier AR1 as a core, then enters an operational amplifier AR2 and a window circuit taking the operational amplifier AR3 as the core to detect whether the signal amplitude is abnormal or not, and when the signal amplitude is lower than 0.3 or higher than 5V, the window circuit outputs high level, the triode Q2 is conducted, the signal after proportional amplification enters a subtracter taking an operational amplifier AR5 as a core to carry out difference operation with a 5V amplitude signal, the obtained difference signal is added to an emitter of a unijunction transistor Q1, by changing the conduction angle of the unijunction transistor Q1, the signal coupled to the input of the operational amplifier AR1 is changed, the signal amplitude is adjusted, the window circuit outputs a low level when the signal amplitude is 0.3-5V, a triode Q1 in the hysteresis voltage stabilizing circuit is triggered to be conducted, the signal after proportional amplification is filtered by a pi-type filter circuit consisting of a capacitor C3, a capacitor C4 and an inductor L2, a hysteresis comparator taking an operational amplifier AR4 as a core eliminates tiny voltage change near the signal amplitude value after proportional amplification, and the signal amplitude value is input into a control terminal signal transmission channel in the real estate payment and evidence-issuing integrated equipment intelligent terminal system after the voltage stabilization and the anti-interference capacity are improved;
the signal amplitude adjusting circuit comprises an operational amplifier AR1, the non-inverting input end of the operational amplifier AR1 is connected with the ground through a resistor R3, the inverting input end of the operational amplifier AR1 is respectively connected with one end of a resistor R2 and one end of a resistor R4, the other end of the resistor R2 is connected with one end of an inductor L1, the other end of the resistor R4 is respectively connected with the non-inverting input end of an operational amplifier AR2 and the inverting input end of an operational amplifier AR3, the inverting input end of the operational amplifier AR2 is respectively connected with one end of a resistor R5 and one end of a resistor R6, the non-inverting input end of the operational amplifier AR3 is respectively connected with one end of a resistor R7 and the other end of a resistor R6, the other end of the resistor R5 is connected with a power supply +10V, the other end of the resistor R7 is connected with the ground, the output end of the operational amplifier AR2 is respectively connected with the output end of the operational amplifier AR3, the negative pole of a voltage regulator Z1 and the base of a triode Q1, the positive pole of the voltage regulator Z1, the positive pole of the triode Q1 is connected with the collector of the non-inverting input end of the operational amplifier AR 72, the emitter of the triode Q2 is respectively connected with the anode of a voltage-regulator tube Z3 and the cathode of a voltage-regulator tube Z4, the cathode of the voltage-regulator tube Z3 is respectively connected with the anode of a voltage-regulator tube Z4, the non-inverting input end of an operational amplifier AR5 and one end of a resistor R14, the inverting input end of the operational amplifier AR5 is connected with one end of the resistor R12, the other end of a resistor R12 is respectively connected with one end of the resistor R11 and the anode of a diode D2, the other end of the resistor R11 is connected with a power supply +10V, the cathode of the diode D2 is connected with the ground, the other end of the resistor R14 is respectively connected with the output end of the operational amplifier AR5, an emitter of the unijunction transistor Q3, one end of a capacitor C6 and one end of a resistor R15, a first base of the unijunction transistor Q1 is connected with the other end of the resistor R15 and the inverting input end of the operational amplifier AR1, a second base of the unijunction transistor Q1 is connected with one end of the resistor R16 and the non-inverting input end of the operational amplifier AR1, and the other end of the capacitor C6 and the other end of the resistor R16 are connected to the ground.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the amplifier using the operational amplifier AR1 as the core is used to amplify the signal transmitted from the real estate payment and certification integrated equipment in the intelligent terminal system of real estate payment and certification integrated equipment with different strengths in proportion, the window circuit is used to detect whether the signal amplitude is abnormal, when the signal amplitude is abnormal, the window circuit outputs high level, the triode Q2 is conducted, the signal after proportional amplification enters a subtracter taking an operational amplifier AR5 as a core to carry out difference operation with a standard amplitude signal, a difference signal is obtained and is added to an emitter of a unijunction tube Q1, by changing the conduction angle of the unijunction transistor Q1, the signal coupled to the input of the operational amplifier AR1 is changed, the signal amplitude is adjusted, the problems of attenuation and distortion of signals in the transmission process are compensated, and amplitude signals in a normal range enter a signal transmission channel for a control terminal in the real estate payment and certification integrated equipment intelligent terminal system;
2. when the signal amplitude is normal, the trigger triode Q1 is conducted, the signal after proportional amplification is filtered by a pi-type filter circuit consisting of a capacitor C3, a capacitor C4 and an inductor L2, then tiny voltage change near the signal amplitude value after proportional amplification is eliminated through a hysteresis comparator consisting of an operational amplifier AR4, resistors R8-R10, a potentiometer RP1, a capacitor C5 and a voltage stabilizing tube Z2, the anti-jamming capability is improved, and then stable voltage is input into a control terminal signal transmission channel in the intelligent terminal system of the real estate payment and evidence issuing integrated equipment, so that the signal is stabilized, the stability of system operation is improved, and the signal is prevented from being disordered.
Drawings
FIG. 1 is a block diagram of an intelligent terminal system of the real estate payment and certification integrated equipment.
FIG. 2 is a schematic diagram of an intelligent terminal system of the real estate payment and certification integrated equipment.
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.
In the first embodiment, the intelligent terminal system of the real estate payment and certification integrated equipment comprises an anti-jamming circuit, a signal amplitude adjusting circuit and a hysteresis voltage stabilizing circuit, wherein the anti-jamming circuit receives signals transmitted by the real estate payment and certification integrated equipment in the intelligent terminal system of the real estate payment and certification integrated equipment, the signals are subjected to electromagnetic interference suppression by a transient suppression diode VD1, an RC absorption circuit consisting of a resistor RT1 and a capacitor C1 further absorbs the electromagnetic interference and discharges the electromagnetic interference to the ground, a frequency selection circuit consisting of a variable capacitor CY, a capacitor C2 and an inductor L1 selects a single frequency signal in the signals and then enters the signal amplitude adjusting circuit, the signal amplitude adjusting circuit firstly performs proportional amplification by an amplifier taking an operational amplifier AR1 as a core, then enters an operational amplifier AR2 and a window circuit taking the operational amplifier AR3 as a core to detect whether the signal amplitude is abnormal or not, and when the signal amplitude is abnormal, the window circuit outputs high level, the triode Q2 is conducted, signals after proportional amplification enter a subtracter taking an operational amplifier AR5 as a core to perform difference operation with standard amplitude signals to obtain difference signals, the difference signals are added to an emitter of a unijunction tube Q3, signals coupled to an input end of the operational amplifier AR1 are changed by changing a conduction angle of the unijunction tube Q3, the signal amplitude is adjusted according to the difference signals, the window circuit outputs low level when the signal amplitude is normal, the triode Q1 in a hysteresis voltage stabilizing circuit is triggered to be conducted, the signals after proportional amplification are filtered through a pi-type filter circuit consisting of a capacitor C3, a capacitor C4 and an inductor L2, a hysteresis comparator taking the operational amplifier AR4 as a core eliminates tiny voltage change near the signal amplitude value after proportional amplification, the voltage stabilization is used for improving the anti-interference capability, and then the signals are input into a control terminal signal transmission channel in the intelligent terminal system of the real estate payment and certification integrated equipment;
the signal amplitude adjusting circuit amplifies the received anti-interference circuit output signal in proportion through a proportional amplifying circuit composed of an operational amplifier AR1 and resistors R2-R4 (the resistance value of an adjusting resistor R4 or a resistor R2 can adjust the proportion amplification times), then the amplified signal enters a non-inverting input end of an operational amplifier AR2 and an inverting input end of an operational amplifier AR3, the amplified signal is compared with a threshold voltage 5V of the inverting input end of the operational amplifier AR2 and a 0.3V of the non-inverting input end of the operational amplifier AR3 (the threshold voltage is provided by a voltage division circuit composed of resistors R5, R6 and R7), the signal amplitude adjusting circuit is a window circuit, when the signal amplitude is lower than 0V or higher than 5V, the window circuit outputs high level, a triode Q2 is conducted, the amplified signal enters a subtracter taking an operational amplifier AR5 as a core through a voltage stabilizing tube Z3 or a voltage stabilizing tube Z4 to carry out difference operation with a standard amplitude signal, obtaining a difference signal, adding the difference signal to an emitter of a unijunction tube Q1, changing a signal coupled to an input end of an operational amplifier AR1 by changing a conduction angle of a unijunction tube Q1, so as to adjust the amplitude of the signal, compensating the attenuation of the signal in transmission, outputting a low level by a window circuit when the amplitude of the signal is 0-5V, and proportionally amplifying the signal to enter a hysteresis voltage stabilizing circuit, wherein the signal amplitude adjusting circuit comprises an operational amplifier AR1, a non-inverting input end of the operational amplifier AR1 is connected with a non-inverting input end of the operational amplifier AR3, an inverting input end of the operational amplifier AR1 is respectively connected with one end of a resistor R2 and one end of a resistor R4, the other end of a resistor R2 is connected with one end of an inductor L1, the other end of a resistor R4 is respectively connected with a non-inverting input end of the operational amplifier AR2 and an inverting input end of the operational amplifier AR3, an inverting input end of the operational amplifier AR2 is respectively connected with one end of a resistor R5 and one end of a resistor R6, a non-inverting input end of the operational amplifier AR3 is respectively connected with a non-inverting input end of a resistor R7, The other end of the resistor R6, the other end of the resistor R5 is connected with a power supply +10V, the other end of the resistor R7 is connected with the ground, the output end of the operational amplifier AR2 is respectively connected with the output end of the operational amplifier AR3, the negative electrode of the voltage regulator tube Z1 and the base electrode of the triode Q2, the positive electrode of the voltage regulator tube Z1 is connected with the ground, the collector electrode of the triode Q2 is connected with the non-inverting input end of the operational amplifier AR2, the emitter electrode of the triode Q2 is respectively connected with the positive electrode of the voltage regulator tube Z3 and the negative electrode of the voltage regulator tube Z4, the negative electrode of the voltage regulator tube Z3 is respectively connected with the positive electrode of the voltage regulator tube Z4, the non-inverting input end of the operational amplifier AR5 and one end of the resistor R14, the inverting input end of the operational amplifier AR5 is connected with one end of the resistor R12, the other end of the resistor R12 is respectively connected with one end of the resistor R11 and the positive electrode of the diode D2, the other end of the resistor R11 is connected with the power supply +10V, the negative electrode of the diode D2 and the output end of the operational amplifier AR 14 is connected with the ground, the output end of the operational amplifier AR5, An emitter of the unijunction transistor Q3, one end of a capacitor C6 and one end of a resistor R15, a first base of the unijunction transistor Q1 is connected with the other end of the resistor R15 and the inverting input end of the operational amplifier AR1, a second base of the unijunction transistor Q1 is connected with one end of the resistor R16 and the non-inverting input end of the operational amplifier AR1, and the other end of the capacitor C6 and the other end of the resistor R16 are connected to the ground.
In the second embodiment, on the basis of the first embodiment, the anti-jamming circuit receives the signal transmitted from the real estate payment and certification integrated device in the real estate payment and certification integrated device smart terminal system, firstly suppresses electromagnetic interference through the transient suppression diode VD1, then enters the RC absorption circuit formed by the resistor RT1 and the capacitor C1 to further absorb electromagnetic interference and discharge the electromagnetic interference 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, and finally, through the frequency selection circuit formed by the variable capacitor CY, the capacitor C2 and the inductor L1, the single frequency signal of the signal at the input end of the signal transmission channel is screened out and transmitted backwards, so that other frequency signals are blocked, including the transient suppression diode VD1, the resistor RT1, the resistor R1, the upper end of the transient suppression diode VD1, the upper end of the resistor RT1, and the left end of the resistor R1 connected to control the signal at the input end of the signal transmission channel for the terminal, the lower end of the resistor RT1 is connected with one end of the capacitor C1, the right end of the resistor R1 is connected with one end of the variable capacitor CY and one end of the inductor L1 respectively, the other end of the variable capacitor CY is connected with one end of the capacitor C2, and the lower end of the transient suppression diode VD1, the other end of the capacitor C1, the other end of the capacitor C2 and the other end of the inductor L1 are all connected with the ground.
In a third embodiment, on the basis of the first embodiment, the hysteresis voltage stabilizing circuit is configured to, when the window circuit outputs a low level, turn on a triac Q1, filter the signal after proportional amplification through a pi-type filter circuit composed of a capacitor C3, a capacitor C4, and an inductor L2, and then eliminate a small voltage change near the signal amplitude value after proportional amplification through a hysteresis comparator composed of an operational amplifier AR4, resistors R8 to R10, a potentiometer RP1, a capacitor C5, and a voltage regulator tube Z2 (the voltage is provided by a voltage dividing circuit composed of a resistor R8, a potentiometer RP1, a capacitor C5, and a voltage regulator tube Z2, and the size of the small voltage can be adjusted by the potentiometer RP 1), and input a stable voltage into a control terminal signal transmission channel in the intelligent terminal system of the real estate payment integrated device after the anti-jamming capability is improved, the AR includes the triac Q1, and a base of the triode Q1 and a negative electrode of the electrolytic capacitor E1 are connected to an output end of the operational amplifier 2, the emitter of the triode Q1 and the anode of the electrolytic capacitor E1 are connected with the non-inverting input end of the operational amplifier AR2, the collector of the triode Q1 is connected with one end of a grounding capacitor C3 and one end of an inductor L2, the other end of an inductor L2 is connected with one end of a grounding capacitor C4 and the reverse input end of an operational amplifier AR4, the VCC end of the operational amplifier AR4 is connected with +5V, the GND end of the operational amplifier AR4 is connected with ground, the non-inverting input end of the operational amplifier AR4 is connected with the right end of a potentiometer RP1, the left end of a resistor R10 and the negative end of a diode D1, the adjustable end and the left end of a potentiometer RP1 are connected with one end of a capacitor C5, the negative electrode of a voltage regulator Z2 and one end of a resistor R8, the other end of a resistor R8 is connected with the power supply +10V, the other end of the capacitor C5 and the anode of a voltage regulator Z2 are connected with ground, the right end of a resistor R10 and the anode of a diode D1 and the anode of a resistor R9 are connected with the right end of a diode D363636363658 and the resistor R10 respectively, The output end of the operational amplifier AR4 and the output end of the operational amplifier AR4 are output signals of the hysteresis voltage stabilizing circuit.
When the invention is used specifically, an anti-interference circuit receives signals transmitted by real estate payment and certification integrated equipment, firstly, electromagnetic interference is inhibited by a transient inhibition diode VD1, then the signals enter an RC absorption circuit formed by a resistor RT1 and a capacitor C1 to further absorb the electromagnetic interference and are discharged to the ground, so that the problem that the signals at the input end of a signal transmission channel are interfered by external signals in signal transmission is avoided, finally, a frequency selection circuit formed by a variable capacitor CY, a capacitor C2 and an inductor L1 is used for screening out single frequency signals of the signals at the input end of the signal transmission channel to be transmitted backwards, so that other frequency signals are blocked, a signal amplitude adjusting circuit is used for carrying out proportional amplification on the received output signals of the anti-interference circuit through a proportional amplification circuit formed by an operational amplifier AR1 and resistors R2-R4 (the resistance value of the adjusting resistor R4 or the adjustable proportional amplification multiple of the resistor R2), then the signal enters a non-inverting input end of an operational amplifier AR2 and an inverting input end of an operational amplifier AR3, the non-inverting input end of the operational amplifier AR2 is compared with a threshold voltage 5V of an inverting input end of an operational amplifier AR2 and a non-inverting input end 0V of the operational amplifier AR3 (the threshold voltage is provided by a voltage division circuit consisting of resistors R5, R6 and R7), the non-inverting input end is essentially a window circuit, when the signal amplitude is lower than 0V or higher than 5V, the window circuit outputs high level, a triode Q2 is conducted, the signal after proportional amplification enters a subtracter taking the operational amplifier AR5 as a core through a voltage stabilizing tube Z3 or a voltage stabilizing tube Z4 to be subjected to difference operation with a standard amplitude signal, a difference signal is obtained and is added to an emitter of a unijunction tube Q3, the signal coupled to the input end of the operational amplifier AR1 is changed by changing the conduction angle of the unijunction tube Q3, the signal amplitude is adjusted so that the attenuation of the signal in transmission is compensated, and when the signal amplitude is normal, the window circuit outputs low level, after the proportional amplification, the signal enters a hysteresis voltage stabilizing circuit, a trigger triode Q1 is conducted, the signal after the proportional amplification is filtered by a pi-type filter circuit consisting of a capacitor C3, a capacitor C4 and an inductor L2, and then tiny voltage change near the signal amplitude value after the proportional amplification is eliminated through a hysteresis comparator consisting of an operational amplifier AR4, resistors R8-R10, a potentiometer RP1, a capacitor C5 and a voltage stabilizing tube Z2 (the voltage is provided by a voltage division circuit consisting of the resistor R8, the potentiometer RP1, the capacitor C5 and the voltage stabilizing tube Z2, the potentiometer RP1 can adjust the tiny voltage), after the anti-interference capability is improved, the stable voltage is input into a control terminal signal transmission channel in a real estate payment and evidence-issuing integrated equipment terminal system, the signal is stabilized, the stability of the system operation is improved, and the disorder of the signal is prevented.
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 (3)
1. The intelligent terminal system of the real estate payment and certificate issuing integrated equipment comprises an anti-jamming circuit, a signal amplitude adjusting circuit and a hysteresis voltage stabilizing circuit, and is characterized in that the anti-jamming circuit receives signals transmitted by real estate payment and certificate issuing integrated equipment in the intelligent terminal system of the real estate payment and certificate issuing integrated equipment, the signals are subjected to electromagnetic interference suppression through a transient suppression diode VD1, an RC absorption circuit formed by a resistor RT1 and a capacitor C1 further absorbs the electromagnetic interference and discharges the electromagnetic interference to the ground, a frequency selection circuit formed by a variable capacitor CY, a capacitor C2 and an inductor L1 screens out single frequency signals in the signals, the single frequency signals enter the signal amplitude adjusting circuit, the signal amplitude adjusting circuit firstly performs proportional amplification through an amplifier taking an operational amplifier AR1 as a core, then enters an operational amplifier AR2 and a window circuit taking the operational amplifier AR3 as the core to detect whether the signal amplitude is abnormal or not, when the signal amplitude is abnormal, the window circuit outputs high level, the triode Q2 is conducted, the signal after proportional amplification enters a subtracter taking an operational amplifier AR5 as a core to carry out difference operation with the standard amplitude signal, the obtained difference signal is added to an emitter of a unijunction transistor Q1, by changing the conduction angle of the unijunction transistor Q1, the signal coupled to the input of the operational amplifier AR1 is changed, when the signal amplitude is adjusted to be normal, namely when the signal amplitude is 0-5V, the window circuit outputs a low level to trigger a triode Q1 in the hysteresis voltage stabilizing circuit to be conducted, the signal after proportional amplification is filtered by a pi-type filter circuit consisting of a capacitor C3, a capacitor C4 and an inductor L2, a hysteresis comparator taking an operational amplifier AR4 as a core eliminates tiny voltage change near the signal amplitude value after proportional amplification, and the signal is input into a control terminal signal transmission channel in the intelligent terminal system of the real estate fee-paying and evidence-issuing integrated equipment after the voltage stabilization and the anti-interference capacity are improved;
the signal amplitude regulating circuit comprises an operational amplifier AR1, wherein the non-inverting input end of the operational amplifier AR1 is connected with the ground through a resistor R3, the inverting input end of the operational amplifier AR1 is respectively connected with one end of a resistor R2 and one end of a resistor R4, the other end of a resistor R2 is connected with one end of an inductor L1, the other end of the resistor R4 is respectively connected with the non-inverting input end of an operational amplifier AR2, the inverting input end of the operational amplifier AR3 and the output end of the operational amplifier AR1, the inverting input end of the operational amplifier AR2 is respectively connected with one end of a resistor R5 and one end of a resistor R6, the non-inverting input end of the operational amplifier AR3 is respectively connected with one end of a resistor R7 and the other end of a resistor R6, the other end of the resistor R5 is connected with a power supply +10V, the other end of a resistor R7 is connected with the ground, the output end of the operational amplifier AR2 is respectively connected with the output end of the operational amplifier AR3, the operational amplifier AR1 is respectively connected with the output end of the operational amplifier, the output end of the operational amplifier Z1 is connected with the base of a triode Q2, and the positive pole of a voltage regulator tube Z1 is connected with the ground, the collector of the triode Q2 is connected with the non-inverting input end of the operational amplifier AR2, the emitter of the triode Q2 is connected with the anode of the voltage regulator tube Z3 and the cathode of the voltage regulator tube Z4, the cathode of the voltage regulator tube Z3 is connected with the anode of the voltage regulator tube Z4, the non-inverting input end of the operational amplifier AR5 and one end of the resistor R14, the inverting input end of the operational amplifier AR5 is connected with one end of the resistor R12, the other end of the resistor R12 is connected with one end of the resistor R11 and the anode of the diode D2, the other end of the resistor R11 is connected with the +10V power supply, the cathode of the diode D2 is connected with the ground, the other end of the resistor R14 is connected with the output end of the operational amplifier AR5, the emitter of the unijunction tube Q3, one end of the capacitor C6 and one end of the resistor R15, the first base of the unijunction tube Q1 is connected with the other end of the resistor R1 and the inverting input end of the unijunction tube Q1, The non-inverting input terminal of the operational amplifier AR1, the other terminal of the capacitor C6, and the other terminal of the resistor R16 are connected to ground.
2. The intelligent terminal system of real estate payment and certification integrated device as claimed in claim 1, wherein the anti-jamming circuit includes a transient suppression diode VD1, a resistor RT1 and a resistor R1, the upper end of the transient suppression diode VD1, the upper end of the resistor RT1 and the left end of the resistor R1 are connected to signals transmitted by the real estate payment and certification integrated device, the lower end of the resistor RT1 is connected to one end of a capacitor C1, the right end of the resistor R1 is connected to one end of a variable capacitor CY and one end of an inductor L1, the other end of the variable capacitor CY is connected to one end of the capacitor C2, and the lower end of the transient suppression diode VD1, the other end of the capacitor C1, the other end of the capacitor C2 and the other end of the inductor L1 are all connected to ground.
3. The intelligent terminal system of real estate payment certification integrated device as claimed in claim 1, wherein said hysteresis voltage regulator circuit includes a transistor Q1, the base of the transistor Q1 and the negative pole of the electrolytic capacitor E1 are connected to the output terminal of the operational amplifier AR2, the emitter of the transistor Q1 and the positive pole of the electrolytic capacitor E1 are connected to the non-inverting input terminal of the operational amplifier AR2, the collector of the transistor Q1 is connected to one end of the grounding capacitor C3 and one end of the inductor L2, the other end of the inductor L2 is connected to one end of the grounding capacitor C4 and the inverting input terminal of the operational amplifier AR4, the VCC terminal of the operational amplifier AR4 is connected to one end of the power supply +5V and the resistor R9, the GND terminal of the operational amplifier AR4 is connected to the ground, the non-inverting input terminal of the operational amplifier AR4 is connected to the right end of the potentiometer RP1, the left end of the resistor R10 and the negative pole of the diode D1, the adjustable terminal of the potentiometer RP1 is connected to one end of the capacitor C5, The negative electrode of a voltage regulator tube Z2, one end of a resistor R8 and the left end of a potentiometer RP1, the other end of the resistor R8 is connected with a power supply +10V, the other end of a capacitor C5 is connected with the positive electrode of a voltage regulator tube Z2 to be grounded, the right end of a resistor R10 is respectively connected with the positive electrode of a diode D1, the other end of a resistor R9 and the output end of an operational amplifier AR4, and the output end of the operational amplifier AR4 is an output signal of the hysteresis voltage regulator circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108740.1A CN109194294B (en) | 2018-09-21 | 2018-09-21 | Real estate payment and certificate issuing integrated equipment intelligent terminal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811108740.1A CN109194294B (en) | 2018-09-21 | 2018-09-21 | Real estate payment and certificate issuing integrated equipment intelligent terminal system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109194294A CN109194294A (en) | 2019-01-11 |
| CN109194294B true CN109194294B (en) | 2022-09-16 |
Family
ID=64909550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811108740.1A Active CN109194294B (en) | 2018-09-21 | 2018-09-21 | Real estate payment and certificate issuing integrated equipment intelligent terminal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109194294B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831183B (en) * | 2019-03-27 | 2023-06-13 | 宝鸡国瑞达新能源科技有限公司 | Signal filter circuit of intelligent management system of air conditioner for grains |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454620A (en) * | 1973-09-18 | 1976-11-03 | Biviator Sa | Device for measuring the dose of ultraviolet radiation in the erythema-effective range |
| CN207559998U (en) * | 2017-12-28 | 2018-06-29 | 国网河南省电力公司信息通信公司 | A kind of signal frequency monitoring device based on OTN transmission networks |
| CN108309280A (en) * | 2018-02-11 | 2018-07-24 | 许少辉 | The signal intensifier circuit of electrocardiograph |
| CN207782814U (en) * | 2018-01-23 | 2018-08-28 | 国网河南省电力公司信息通信公司 | One kind being used for photoreceiver bandwidth adjustment device |
| CN207882788U (en) * | 2018-02-12 | 2018-09-18 | 河南杰瑞织造科技有限公司 | For woolen sweater voltage regulating device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3684890A (en) * | 1970-01-28 | 1972-08-15 | Xerox Corp | Photosensitive misfeed detector |
| CN207459998U (en) * | 2017-12-07 | 2018-06-05 | 上海大际电子科技有限公司 | Output voltage adjustable pulse step-down switching power supply |
-
2018
- 2018-09-21 CN CN201811108740.1A patent/CN109194294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454620A (en) * | 1973-09-18 | 1976-11-03 | Biviator Sa | Device for measuring the dose of ultraviolet radiation in the erythema-effective range |
| CN207559998U (en) * | 2017-12-28 | 2018-06-29 | 国网河南省电力公司信息通信公司 | A kind of signal frequency monitoring device based on OTN transmission networks |
| CN207782814U (en) * | 2018-01-23 | 2018-08-28 | 国网河南省电力公司信息通信公司 | One kind being used for photoreceiver bandwidth adjustment device |
| CN108309280A (en) * | 2018-02-11 | 2018-07-24 | 许少辉 | The signal intensifier circuit of electrocardiograph |
| CN207882788U (en) * | 2018-02-12 | 2018-09-18 | 河南杰瑞织造科技有限公司 | For woolen sweater voltage regulating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109194294A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109743057B (en) | Thing networking data transmission correction equipment | |
| CN109217929B (en) | Superspeed all-optical communication system | |
| CN109194349B (en) | Building construction real-time monitoring system based on thing networking | |
| CN108988820B (en) | Network information analysis system | |
| CN108494418B (en) | Big data signal calibration circuit | |
| CN109831262B (en) | Intelligent low temperature stores up grain system signal calibration circuit | |
| CN110856210B (en) | Power distribution network communication safety protection system | |
| CN110085019B (en) | Wisdom chemical industry ground construction environment signal acquisition emitter | |
| CN108566224B (en) | Internet of things system based on wireless network | |
| CN111431486B (en) | Information adjusting circuit based on Internet of things | |
| CN109116147B (en) | Signal calibration circuit for electric automobile vehicle-mounted system | |
| CN109194294B (en) | Real estate payment and certificate issuing integrated equipment intelligent terminal system | |
| CN109613202B (en) | Signal calibration device for pipeline corrosion degree measuring instrument | |
| CN105774782A (en) | Wheel speed sensing signal processing circuit and automobile ABS (Anti-lock Braking System) | |
| CN108449069B (en) | Big data signal transmission anti-jamming circuit | |
| CN110806724B (en) | Remote monitoring device of numerical control machine tool | |
| CN110554289A (en) | Low-voltage series fault arc detection system | |
| CN108933580A (en) | A kind of network public sentiment information analysis system | |
| CN104954011A (en) | Voltage controlled oscillator | |
| CN109285295A (en) | Real estate payment and certificate issuing integrated equipment intelligent terminal system | |
| CN109525202B (en) | Big data-based power grid safety management information system | |
| CN108768328B (en) | Low-frequency electronic communication system | |
| CN111181513B (en) | Data security transmission circuit | |
| CN110658773B (en) | Robot scram control circuit | |
| CN109194358B (en) | Hydrology water resource data transmission system based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220822 Address after: 3rd Floor, Building 6, Dehui Science and Technology Park, No. 358, Liuyuan Road, Putuo District, Shanghai 200000 Applicant after: SHANGHAI HANTAI INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 467000 No. 1006, 10th floor, building 16, Changlu grand reading City, Longxiang Avenue, Xincheng District, Pingdingshan City, Henan Province Applicant before: HENAN YUANZU INFORMATION TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 4F-B, Building 9, No. 685 Zhenchen Road, Baoshan District, Shanghai 200000 Patentee after: SHANGHAI HANTAI INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 3rd Floor, Building 6, Dehui Science and Technology Park, No. 358, Liuyuan Road, Putuo District, Shanghai 200000 Patentee before: SHANGHAI HANTAI INTELLIGENT TECHNOLOGY CO.,LTD. |
|
| CP02 | Change in the address of a patent holder |