CN106245062A - A kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system - Google Patents
A kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system Download PDFInfo
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- CN106245062A CN106245062A CN201610640528.4A CN201610640528A CN106245062A CN 106245062 A CN106245062 A CN 106245062A CN 201610640528 A CN201610640528 A CN 201610640528A CN 106245062 A CN106245062 A CN 106245062A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/20—Automatic control or regulation of cells
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
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Abstract
The invention discloses a kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system, it is characterized in that, mainly by processing chip U, audion VT2, diode D4, inductance L2, polar capacitor C6, diode D5, bandwidth multi-resonant circuit, the signal wave reception filtering circuit being connected with the IN pin processing chip U, the frequency compensated signal circuit being connected with process chip U, and the signal level regulation circuit composition being serially connected between frequency compensated signal circuit and bandwidth multi-resonant circuit.Harmonic wave in input signal can be eliminated or suppress by the present invention, makes signal more stable；And the phase and frequency error of signal can also be adjusted by the present invention, ensures that the present invention accuracy to signal processing, effectively raise the aluminium electrolysis anode current parameters accuracy that aluminium electrolysis anode current measuring instrument is measured.
Description
Technical field
The present invention relates to field of aluminum electrolysis, specifically refer to a kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal
Processing system.
Background technology
Aluminium electroloysis is a complicated electrochemical reaction process, and its course of reaction will be by electric field, magnetic field, thermal field, flow field
Coupling etc. multiple physical fields.Anode current parameter is a highly important parameter in aluminium electroloysis, it and aluminium electroloysis
Multiple situation have close ties.Therefore, use aluminium electrolysis anode current measuring instrument that aluminium electrolysis anode electric current is measured in real time,
For providing reliable aluminium electrolysis anode current data to the control of aluminium electroloysis chemical reaction process, aluminium electrolytic industry is had very
Important meaning.
But, the signal processing system of the aluminium electrolysis anode current measuring instrument that existing aluminium electrolytic industry is used can not be very
Good processes the interference signal in signal and problem inaccurate to signal processing occurs, causes aluminium electrolysis anode electric current
The aluminium electrolysis anode current parameters that measuring instrument is measured is inaccurate, causes the aluminium electrolysis anode current measuring instrument can not be for the control of aluminium electroloysis
System processed provides reliable aluminium electrolysis anode current data, and serious have impact on aluminium electroloysis chemical reaction efficiency.
Summary of the invention
It is an object of the invention to the letter of the aluminium electrolysis anode current measuring instrument overcoming existing aluminium electrolytic industry to be used
There is problem inaccurate to signal processing in number processing system, it is provided that a kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern
Signal processing system.
The purpose of the present invention realizes by following technical scheme: a kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern letter
Number processing system, mainly by processing chip U, audion VT2, P pole is connected with the BLANK pin processing chip U after resistance R13
Connect, N pole after resistance R14 with the diode D4 that is connected of VCO pin processing chip U, one end is extremely connected with the N of diode D4
Connect, inductance L2 that the other end is connected with the emitter stage of audion VT2, positive pole after resistance R15 with the emitter stage of audion VT2
Be connected, polar capacitor C6, P pole that negative pole is connected with the VDD pin of process chip U is connected with the base stage of audion VT2,
The diode D5 that N pole is connected with the FLB pin processing chip U after resistance R16, is connected with the IN pin processing chip U
Signal wave reception filtering circuit, and process the frequency compensated signal circuit that is connected of chip U, respectively with the current collection of audion VT2
The bandwidth multi-resonant circuit that pole is connected with the VOUT pin processing chip U, and it is serially connected in frequency compensated signal circuit and band
Signal level regulation circuit composition between wide multi-resonant circuit；The GND pin ground connection of described process chip U.
Described signal level regulation circuit is by field effect transistor MOS3, audion VT7, audion VT8, and positive pole is through resistance R32
The polar capacitor C16 that emitter stage with audion VT7 is connected afterwards, negative pole is connected with frequency compensated signal circuit, positive pole warp
After adjustable resistance R33 the positive pole with polar capacitor C16 be connected, polar capacitor C17, the N pole of minus earth after resistance R36 with
The base stage of audion VT7 is connected, P pole after resistance R34 with diode D14, the N pole and three being connected of polar capacitor C17
The colelctor electrode of pole pipe VT7 is connected, P pole is sequentially connected with the drain electrode of field effect transistor MOS3 after resistance R37 through resistance R35
Diode D13, positive pole is connected with the base stage of audion VT7, negative pole drain electrode with field effect transistor MOS3 after resistance R38 is connected
Polar capacitor C18, the N pole connect is connected with the negative pole of polar capacitor C18, P pole after resistance R39 with the source of field effect transistor MOS3
The diode D15 that pole is connected, positive pole source electrode with field effect transistor MOS3 after resistance R40 is connected, negative pole is after inductance L4
The polar capacitor C19 being connected with the colelctor electrode of audion VT8, negative pole is connected with the base stage of audion VT8, positive pole is imitated with field
Should the drain electrode with field effect transistor MOS3 after adjustable resistance R41 of polar capacitor C20, the P pole that is connected of the source electrode of pipe MOS3 be connected
Connect, diode D16 that N pole is connected with the grid of field effect transistor MOS3, and one end is connected with the grid of field effect transistor MOS3
Connect, the resistance R42 of other end ground connection forms；The N pole of described diode D14 also positive pole with polar capacitor C19 is connected；Described
The grounded collector of audion VT8, its emitter stage are connected with the grid of field effect transistor MOS3；The grid of described field effect transistor MOS3
Pole is connected with bandwidth multi-resonant circuit.
Described signal wave reception filtering circuit by amplifier P1, amplifier P2, audion VT1, negative pole after resistance R4 with put
Polar capacitor C3, the N pole that positive pole is connected, positive pole is connected with the colelctor electrode of audion VT1 of big device P1 is through adjustable resistance R5
Two poles that negative pole with polar capacitor C3 is connected afterwards, P pole emitter stage with audion VT1 after critesistor RT1 is connected
Pipe D2, N pole outfan with amplifier P1 after resistance R9 is connected, P pole positive pole with amplifier P1 after resistance R8 is connected
The diode D3 connect, negative pole N pole with diode D3 after resistance R7 is connected, positive pole after resistance R6 with the P of diode D2
The polar capacitor C4 that pole is connected, negative pole is connected with the grid of field effect transistor MOS1, after positive electrode resistance R3 with amplifier P1's
The polar capacitor C2 that negative pole is connected, one end is connected with the positive pole of polar capacitor C2, resistance R2, the P pole warp of other end ground connection
The diode D1 that after resistance R1, the positive pole with polar capacitor C2 is connected, N pole is connected with the drain electrode of field effect transistor MOS1, positive pole
The pole that negative pole with amplifier P2 is connected after resistance R10, negative pole outfan with amplifier P2 after resistance R11 is connected
Property electric capacity C1, the inductance L1 that one end is connected with the negative pole of amplifier P2, the other end is connected with the negative pole of polar capacitor C1, with
And positive pole outfan with amplifier P2 after resistance R12 is connected, the polar capacitor C5 composition of minus earth；Described audion
The base stage of VT1 is as the input of signal wave reception filtering circuit；The outfan of described amplifier P1 is respectively with amplifier P2 just
Pole is connected with the source electrode of field effect transistor MOS1；The outfan of described amplifier P2 is also connected with the IN pin processing chip U.
Described frequency compensated signal electricity routing amplifier P3, audion VT5, audion VT6, positive pole is with process chip U's
Polar capacitor C15, the P pole that BLANK pin is connected, negative pole is connected with the emitter stage of audion VT6 after resistance R31 with three
The diode D12 that the colelctor electrode of pole pipe VT6 is connected, N pole colelctor electrode with audion VT5 after resistance R29 is connected, negative pole
Be connected with the colelctor electrode of audion VT5, positive pole after resistance R30 with the polar capacitor that is connected of VSY pin processing chip U
C14, the pole that positive pole is connected with the base stage of audion VT5, negative pole colelctor electrode with audion VT5 after resistance R28 is connected
The property diode D11 that electric capacity C13, N pole is connected with the positive pole of amplifier P3, P pole is connected with the base stage of audion VT5, just
Pole is connected with the negative pole of amplifier P3, polar capacitor C12, the P pole of minus earth is connected with the outfan of amplifier P3, N
The diode D10 that pole negative pole with amplifier P3 after adjustable resistance R27 is connected, and the SCPI of positive pole and process chip U
The polar capacitor C10 composition that pin is connected, negative pole outfan with amplifier P3 after resistance R26 is connected；Described three poles
The base stage of pipe VT6 is connected with the positive pole of polar capacitor C14；The grounded collector of described audion VT5, its emitter stage and process
The SAW pin of chip U is connected, its base stage is also connected with the MUTE pin processing chip U；The outfan of described amplifier P3
The also negative pole with polar capacitor C16 is connected.
Described bandwidth multi-resonant circuit by field effect transistor MOS2, audion VT3, audion VT4, P pole after resistance R19 with
Process the diode D7 that VOUT pin is connected, N pole base stage with audion VT4 after resistance R20 is connected of chip U, just
The polar capacitor C9 that pole is connected with the P pole of diode D7, negative pole is connected with the drain electrode of field effect transistor MOS2, positive pole is through resistance
The pole that after R23, the grid with field effect transistor MOS2 is connected, negative pole emitter stage with audion VT4 after resistance R22 is connected
Property electric capacity C11, P pole is connected with the source electrode of field effect transistor MOS2, N pole sequentially after resistance R25 and adjustable resistance R24 with polarity
Diode D9, the P pole that the negative pole of electric capacity C11 is connected is connected with the negative pole of polar capacitor C11, N pole is after adjustable resistance R21
The diode D8 being connected with the colelctor electrode of audion VT4, positive pole emitter stage with audion VT3 after inductance L3 is connected,
Polar capacitor C8, the P pole that negative pole is connected with the colelctor electrode of audion VT4 after resistance R18 with the colelctor electrode phase of audion VT3
Connect, diode D6 that N pole colelctor electrode with audion VT4 after critesistor RT2 is connected, and negative pole and audion
The polar capacitor C7 composition that the base stage of VT3 is connected, positive pole colelctor electrode with audion VT3 after resistance R17 is connected；Described
The positive pole of polar capacitor C7 also colelctor electrode with audion VT2 is connected；The emitter stage of described audion VT3 also with diode D7
P pole be connected；The source electrode of described field effect transistor MOS2 is also connected with the grid of field effect transistor MOS3；Described resistance R25 with
The junction point ground connection of adjustable resistance R24；The colelctor electrode of described audion VT4 is as the outfan of bandwidth multi-resonant circuit.
For the practical effect of the present invention, described process chip U the most preferentially have employed the integrated chip of TDA1670
Realize.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) harmonic wave in input signal can be eliminated or suppress by the present invention, makes signal more stable；And the present invention
The phase and frequency error of signal can also be adjusted, ensure that the present invention accuracy to signal processing, effectively
Improve the aluminium electrolysis anode current parameters accuracy that aluminium electrolysis anode current measuring instrument is measured, aluminium electrolysis anode electric current can be made to survey
The control system that amount instrument is aluminium electroloysis provides reliable aluminium electrolysis anode current data.
(2) dutycycle of signal square wave can be adjusted by the present invention, makes the signal level of output signal keep stable,
Ensure that the present invention accuracy to signal processing.
(3) present invention can effectively improve the detection efficiency of aluminium electrolysis anode current measuring instrument, can effectively guarantee aluminum electricity
Solve the accuracy of detection of anode current measuring instrument.
(4) the process chip U of the present invention the most preferentially have employed the integrated chip of TDA1670 and realizes, this chip and periphery electricity
Road combines, and can effectively improve the present invention accuracy to signal processing.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of the signal level regulation circuit of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As it is shown in figure 1, the present invention is mainly by processing chip U, audion VT2, P pole after resistance R13 with process chip U
The diode D4 that BLANK pin is connected, N pole is connected with the VCO pin processing chip U after resistance R14, one end and two poles
The inductance L2 that the N pole of pipe D4 is connected, the other end is connected with the emitter stage of audion VT2, positive pole after resistance R15 with three poles
Polar capacitor C6, the P pole that the emitter stage of pipe VT2 is connected, negative pole is connected with the VDD pin of process chip U and audion VT2
Base stage be connected, N pole after resistance R16 with the diode D5 that is connected of FLB pin processing chip U, and process chip U's
The signal wave reception filtering circuit that IN pin is connected, the frequency compensated signal circuit being connected with process chip U, respectively with three poles
The bandwidth multi-resonant circuit that the colelctor electrode of pipe VT2 is connected with the VOUT pin processing chip U, and it is serially connected in signal frequency benefit
Repay the signal level regulation circuit composition between circuit and bandwidth multi-resonant circuit.
During enforcement, the GND pin ground connection of described process chip U.The P pole of described diode D4 is connected with external power source
Connect.For the practical effect of the present invention, described process chip U the most preferentially have employed the integrated chip of TDA1670 and realizes.
Further, described signal wave reception filtering circuit is by amplifier P1, amplifier P2, audion VT1, resistance R1, electricity
Resistance R2, resistance R3, resistance R4, adjustable resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, electricity
Resistance R12, critesistor RT1, polar capacitor C1, polar capacitor C2, polar capacitor C3, polar capacitor C4, polar capacitor C5, inductance
L1, diode D1, diode D2, and diode D3 form.
During connection, the negative pole of polar capacitor C3 positive pole with amplifier P1 after resistance R4 is connected, positive pole and audion
The colelctor electrode of VT1 is connected.The N pole of diode D2 negative pole with polar capacitor C3 after adjustable resistance R5 is connected, and P pole is through heat
After quick resistance RT1, the emitter stage with audion VT1 is connected.The N pole of diode D3 after resistance R9 with the output of amplifier P1
End is connected, and P pole positive pole with amplifier P1 after resistance R8 is connected.
Wherein, the negative pole of polar capacitor C4 N pole with diode D3 after resistance R7 is connected, positive pole after resistance R6 with
The P pole of diode D2 is connected.The negative pole of polar capacitor C2 is connected with the grid of field effect transistor MOS1, after positive electrode resistance R3 with
The negative pole of amplifier P1 is connected.One end of resistance R2 is connected with the positive pole of polar capacitor C2, other end ground connection.Diode D1
P pole positive pole with polar capacitor C2 after resistance R1 be connected, N pole is connected with the drain electrode of field effect transistor MOS1.
Meanwhile, the positive pole of polar capacitor C1 negative pole with amplifier P2 after resistance R10 is connected, and negative pole is through resistance R11
Outfan with amplifier P2 is connected afterwards.One end of inductance L1 is connected with the negative pole of amplifier P2, the other end and polarity electricity
The negative pole holding C1 is connected.The positive pole of polar capacitor C5 outfan with amplifier P2 after resistance R12 is connected, and negative pole connects
Ground.
The base stage of described audion VT1 as the input of signal wave reception filtering circuit and is connected with detector；Described
The outfan of amplifier P1 is connected with the positive pole of amplifier P2 and the source electrode of field effect transistor MOS1 respectively；Described amplifier P2's
Outfan is also connected with the IN pin processing chip U；The colelctor electrode of described audion VT1 is connected with external power source.
Further, described frequency compensated signal electricity routing amplifier P3, audion VT5, audion VT6, resistance
R26, adjustable resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, polar capacitor C10, polar capacitor C12, polarity
Electric capacity C13, polar capacitor C14, polar capacitor C15, diode D10, diode D11, and diode D12 form.
During connection, the positive pole of polar capacitor C15 is connected with the BLANK pin processing chip U, negative pole and audion VT6
Emitter stage be connected.The P pole of diode D12 colelctor electrode with audion VT6 after resistance R31 is connected, and N pole is through resistance
After R29, the colelctor electrode with audion VT5 is connected.The negative pole of polar capacitor C14 is connected with the colelctor electrode of audion VT5, just
Pole is connected with the VSY pin processing chip U after resistance R30.
Meanwhile, the positive pole of polar capacitor C13 is connected with the base stage of audion VT5, negative pole after resistance R28 with audion
The colelctor electrode of VT5 is connected.The N pole of diode D11 is connected with the positive pole of amplifier P3, the base stage phase of P pole and audion VT5
Connect.The positive pole of polar capacitor C12 is connected with the negative pole of amplifier P3, minus earth.The P pole of diode D10 and amplifier
The outfan of P3 is connected, and N pole negative pole with amplifier P3 after adjustable resistance R27 is connected.The positive pole of polar capacitor C10 with
The SCPI pin processing chip U is connected, and negative pole outfan with amplifier P3 after resistance R26 is connected.
The base stage of described audion VT6 is connected with the positive pole of polar capacitor C14；The colelctor electrode of described audion VT5 connects
Ground, its emitter stage is connected with the SAW pin processing chip U, and its base stage is also connected with the MUTE pin processing chip U；Institute
State the outfan of the amplifier P3 negative pole also with polar capacitor C16 to be connected.
Yet further, described bandwidth multi-resonant circuit is by field effect transistor MOS2, audion VT3, audion VT4, resistance
R17, resistance R18, resistance R19, resistance R20, adjustable resistance R21, resistance R22, resistance R23, adjustable resistance R24, resistance R25,
Critesistor RT2, inductance L3, polar capacitor C7, polar capacitor C8, polar capacitor C9, polar capacitor C10, polar capacitor C11,
Diode D6, diode D7, diode D8, and diode D9 form.
During connection, the P pole of diode D7 is connected with the VOUT pin processing chip U after resistance R19, and N pole is through resistance
After R20, the base stage with audion VT4 is connected.The positive pole of polar capacitor C9 is connected with the P pole of diode D7, and negative pole is imitated with field
Should the drain electrode of pipe MOS2 be connected.The positive pole of polar capacitor C11 grid with field effect transistor MOS2 after resistance R23 is connected,
Negative pole emitter stage with audion VT4 after resistance R22 is connected.The P pole of diode D9 and the source electrode phase of field effect transistor MOS2
Connecting, N pole is sequentially connected through resistance R25 negative pole with polar capacitor C11 after adjustable resistance R24.
Wherein, the P pole of diode D8 is connected with the negative pole of polar capacitor C11, N pole after adjustable resistance R21 with three poles
The colelctor electrode of pipe VT4 is connected.The positive pole of polar capacitor C8 emitter stage with audion VT3 after inductance L3 is connected, negative pole
It is connected with the colelctor electrode of audion VT4.The P pole of diode D6 colelctor electrode with audion VT3 after resistance R18 is connected, N
Pole colelctor electrode with audion VT4 after critesistor RT2 is connected.The negative pole of polar capacitor C7 and the base stage of audion VT3
Being connected, positive pole colelctor electrode with audion VT3 after resistance R17 is connected.
The positive pole of described polar capacitor C7 also colelctor electrode with audion VT2 is connected；The emitter stage of described audion VT3
Also it is connected with the P pole of diode D7；The source electrode of described field effect transistor MOS2 is also connected with the grid of field effect transistor MOS3；Institute
State the junction point ground connection of resistance R25 and adjustable resistance R24；The colelctor electrode of described audion VT4 is as bandwidth multi-resonant circuit
Outfan.
As in figure 2 it is shown, described signal level regulation circuit is by field effect transistor MOS3, audion VT7, audion VT8, resistance
R32, adjustable resistance R33, resistance R34, resistance R35, resistance R36, resistance R37, resistance R38, resistance R39, resistance R40, adjustable
Resistance R41, resistance R42, inductance L4, polar capacitor 16, polar capacitor C17, polar capacitor C18, polar capacitor C19, polarity electricity
Appearance C20, diode D13, diode D14, diode D15, and diode D16 composition,
During connection, the positive pole of polar capacitor C16 emitter stage with audion VT7 after resistance R32 is connected, negative pole and letter
Number frequency compensated circuit is connected.The positive pole of polar capacitor C17 positive pole with polar capacitor C16 after adjustable resistance R33 is connected
Connect, minus earth.The N pole of diode D14 base stage with audion VT7 after resistance R36 is connected, P pole after resistance R34 with
Polar capacitor C17 is connected.
Wherein, the N pole of diode D13 is connected with the colelctor electrode of audion VT7, and P pole is sequentially through resistance R35 and resistance
After R37, the drain electrode with field effect transistor MOS3 is connected.The positive pole of polar capacitor C18 is connected with the base stage of audion VT7, negative pole
After resistance R38, the drain electrode with field effect transistor MOS3 is connected.The N pole of diode D15 is connected with the negative pole of polar capacitor C18
Connecing, P pole source electrode with field effect transistor MOS3 after resistance R39 is connected.
Meanwhile, the positive pole of polar capacitor C19 source electrode with field effect transistor MOS3 after resistance R40 is connected, and negative pole is through electricity
It is connected with the colelctor electrode of audion VT8 after sense L4.The negative pole of polar capacitor C20 is connected with the base stage of audion VT8, positive pole
It is connected with the source electrode of field effect transistor MOS3.The P pole of diode D16 after adjustable resistance R41 with the drain electrode of field effect transistor MOS3
Being connected, N pole is connected with the grid of field effect transistor MOS3.One end of resistance R42 is connected with the grid of field effect transistor MOS3,
Other end ground connection.
The N pole of described diode D14 also positive pole with polar capacitor C19 is connected；The colelctor electrode of described audion VT8 connects
Ground, its emitter stage is connected with the grid of field effect transistor MOS3；The grid of described field effect transistor MOS3 and bandwidth multi-resonant circuit
It is connected.
During operation, the harmonic wave in input signal can be eliminated or suppress by the signal wave reception filtering circuit of the present invention, makes
Signal is more stable；And the phase and frequency error of signal can also be adjusted by the frequency compensated signal circuit of the present invention,
Ensure that the present invention accuracy to signal processing, effectively raise the aluminum electricity that aluminium electrolysis anode current measuring instrument is measured
Solve anode current parameter accuracy, the control system that aluminium electrolysis anode current measuring instrument is aluminium electroloysis can be made to provide reliable aluminum electricity
Solve anode current data.
Meanwhile, the dutycycle of signal square wave can be adjusted by the signal level regulation circuit of the present invention, makes output believe
Number signal level keep stable.And the present invention can effectively improve the detection efficiency of aluminium electrolysis anode current measuring instrument, energy
Effectively guarantee the accuracy of detection of aluminium electrolysis anode current measuring instrument.The process chip U of the present invention the most preferentially have employed TDA1670
Integrated chip realizes, and this chip combines with peripheral circuit, can effectively improve the present invention accuracy to signal processing.
As it has been described above, just can well realize the present invention.
Claims (6)
1. an aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system, it is characterised in that main by processing
Chip U, audion VT2, P pole after resistance R13 with process chip U BLANK pin be connected, N pole after resistance R14 with place
The diode D4 that is connected of VCO pin of reason chip U, one end is connected with the N pole of diode D4, the other end and audion VT2
The inductance L2 that is connected of emitter stage, positive pole emitter stage with audion VT2 after resistance R15 is connected, negative pole and process core
Polar capacitor C6, the P pole that the VDD pin of sheet U is connected is connected with the base stage of audion VT2, N pole after resistance R16 with place
The diode D5 that the FLB pin of reason chip U is connected, the signal wave reception filtering circuit being connected with the IN pin processing chip U,
With process the frequency compensated signal circuit that is connected of chip U, respectively with colelctor electrode and the VOUT of process chip U of audion VT2
The bandwidth multi-resonant circuit that pin is connected, and it is serially connected in the letter between frequency compensated signal circuit and bandwidth multi-resonant circuit
Number level adjustment circuit composition；The GND pin ground connection of described process chip U.
A kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system the most according to claim 1, its
Being characterised by, described signal level regulation circuit is by field effect transistor MOS3, audion VT7, audion VT8, and positive pole is through resistance R32
The polar capacitor C16 that emitter stage with audion VT7 is connected afterwards, negative pole is connected with frequency compensated signal circuit, positive pole warp
After adjustable resistance R33 the positive pole with polar capacitor C16 be connected, polar capacitor C17, the N pole of minus earth after resistance R36 with
The base stage of audion VT7 is connected, P pole after resistance R34 with diode D14, the N pole and three being connected of polar capacitor C17
The colelctor electrode of pole pipe VT7 is connected, P pole is sequentially connected with the drain electrode of field effect transistor MOS3 after resistance R37 through resistance R35
Diode D13, positive pole is connected with the base stage of audion VT7, negative pole drain electrode with field effect transistor MOS3 after resistance R38 is connected
Polar capacitor C18, the N pole connect is connected with the negative pole of polar capacitor C18, P pole after resistance R39 with the source of field effect transistor MOS3
The diode D15 that pole is connected, positive pole source electrode with field effect transistor MOS3 after resistance R40 is connected, negative pole is after inductance L4
The polar capacitor C19 being connected with the colelctor electrode of audion VT8, negative pole is connected with the base stage of audion VT8, positive pole is imitated with field
Should the drain electrode with field effect transistor MOS3 after adjustable resistance R41 of polar capacitor C20, the P pole that is connected of the source electrode of pipe MOS3 be connected
Connect, diode D16 that N pole is connected with the grid of field effect transistor MOS3, and one end is connected with the grid of field effect transistor MOS3
Connect, the resistance R42 of other end ground connection forms；The N pole of described diode D14 also positive pole with polar capacitor C19 is connected；Described
The grounded collector of audion VT8, its emitter stage are connected with the grid of field effect transistor MOS3；The grid of described field effect transistor MOS3
Pole is connected with bandwidth multi-resonant circuit.
3. according to claim 2 aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system, it is characterised in that
Described signal wave reception filtering circuit by amplifier P1, amplifier P2, audion VT1, negative pole after resistance R4 with amplifier P1's
Polar capacitor C3, the N pole that positive pole is connected, positive pole is connected with the colelctor electrode of audion VT1 after adjustable resistance R5 with polarity
Diode D2, the N pole that the negative pole of electric capacity C3 is connected, P pole emitter stage with audion VT1 after critesistor RT1 is connected
Two poles that outfan with amplifier P1 is connected after resistance R9, P pole positive pole with amplifier P1 after resistance R8 is connected
Pipe D3, negative pole N pole with diode D3 after resistance R7 is connected, positive pole P pole with diode D2 after resistance R6 is connected
Polar capacitor C4, negative pole is connected with the grid of field effect transistor MOS1, be connected with the negative pole of amplifier P1 after positive electrode resistance R3
The polar capacitor C2 connect, one end is connected with the positive pole of polar capacitor C2, resistance R2, the P pole of other end ground connection is after resistance R1
Be connected with the positive pole of polar capacitor C2, diode D1 that N pole is connected with the drain electrode of field effect transistor MOS1, positive pole is through resistance
The polar capacitor that after R10, the negative pole with amplifier P2 is connected, negative pole outfan with amplifier P2 after resistance R11 is connected
C1, the inductance L1 that one end is connected with the negative pole of amplifier P2, the other end is connected with the negative pole of polar capacitor C1, and positive pole
After resistance R12, the outfan with amplifier P2 is connected, the polar capacitor C5 of minus earth forms；Described audion VT1's
Base stage is as the input of signal wave reception filtering circuit；The outfan of described amplifier P1 respectively with positive pole and the field of amplifier P2
The source electrode of effect pipe MOS1 is connected；The outfan of described amplifier P2 is also connected with the IN pin processing chip U.
4., according to a kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system of claim 3, its feature exists
In, described frequency compensated signal electricity routing amplifier P3, audion VT5, audion VT6, positive pole and the BLANK processing chip U
Polar capacitor C15, the P pole that pin is connected, negative pole is connected with the emitter stage of audion VT6 after resistance R31 with audion
The diode D12 that the colelctor electrode of VT6 is connected, N pole colelctor electrode with audion VT5 after resistance R29 is connected, negative pole and three
The polar capacitor C14 that the colelctor electrode of pole pipe VT5 is connected, positive pole is connected with the VSY pin processing chip U after resistance R30,
The polarity electricity that positive pole is connected with the base stage of audion VT5, negative pole colelctor electrode with audion VT5 after resistance R28 is connected
Hold C13, N pole is connected, P pole is connected with the base stage of audion VT5 diode D11 with the positive pole of amplifier P3, positive pole and
The negative pole of amplifier P3 is connected, polar capacitor C12, the P pole of minus earth is connected with the outfan of amplifier P3, N pole warp
The diode D10 that after adjustable resistance R27, negative pole with amplifier P3 is connected, and the SCPI pin of positive pole and process chip U
Be connected, polar capacitor C10 composition that negative pole outfan with amplifier P3 after resistance R26 is connected；Described audion VT6
Base stage be connected with the positive pole of polar capacitor C14；The grounded collector of described audion VT5, its emitter stage and process chip U
SAW pin be connected, its base stage also with process chip U MUTE pin be connected；The outfan of described amplifier P3 also with
The negative pole of polar capacitor C16 is connected.
5., according to a kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system of claim 4, its feature exists
In, described bandwidth multi-resonant circuit by field effect transistor MOS2, audion VT3, audion VT4, P pole after resistance R19 with process
The diode D7 that the VOUT pin of chip U is connected, N pole base stage with audion VT4 after resistance R20 is connected, positive pole with
The polar capacitor C9 that the P pole of diode D7 is connected, negative pole is connected with the drain electrode of field effect transistor MOS2, positive pole is through resistance R23
Be connected with the grid of field effect transistor MOS2 afterwards, polarity electricity that negative pole emitter stage with audion VT4 after resistance R22 is connected
Hold C11, P pole be connected with the source electrode of field effect transistor MOS2, N pole sequentially after resistance R25 and adjustable resistance R24 with polar capacitor
Diode D9, the P pole that the negative pole of C11 is connected is connected with the negative pole of polar capacitor C11, N pole after adjustable resistance R21 with three
The diode D8 that the colelctor electrode of pole pipe VT4 is connected, positive pole emitter stage with audion VT3 after inductance L3 is connected, negative pole
Polar capacitor C8, the P pole being connected with the colelctor electrode of audion VT4 colelctor electrode with audion VT3 after resistance R18 is connected
Connect, diode D6 that N pole colelctor electrode with audion VT4 after critesistor RT2 is connected, and negative pole and audion VT3
The polar capacitor C7 composition that base stage is connected, positive pole colelctor electrode with audion VT3 after resistance R17 is connected；Described pole
The positive pole of property electric capacity C7 also colelctor electrode with audion VT2 is connected；The emitter stage of described audion VT3 is also with diode D7's
P pole is connected；The source electrode of described field effect transistor MOS2 is also connected with the grid of field effect transistor MOS3；Described resistance R25 with can
Adjust the junction point ground connection of resistance R24；The colelctor electrode of described audion VT4 is as the outfan of bandwidth multi-resonant circuit.
6., according to a kind of aluminium electrolysis anode current measuring instrument electricity consumption Heibei provincial opera nodal pattern signal processing system of claim 5, its feature exists
In, described process chip U is the integrated chip of TDA1670.
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| Application Number | Priority Date | Filing Date | Title |
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| CN107065968A (en) * | 2017-03-30 | 2017-08-18 | 成都优创复材科技有限公司 | A kind of curing apparatus temperature control system of quick self-repair material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107065968A (en) * | 2017-03-30 | 2017-08-18 | 成都优创复材科技有限公司 | A kind of curing apparatus temperature control system of quick self-repair material |
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