CN110244814A - A kind of electromechanics low-voltage equipment power compensating circuit - Google Patents
A kind of electromechanics low-voltage equipment power compensating circuit Download PDFInfo
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
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Abstract
The invention discloses a kind of electromechanical low-voltage equipment power compensating circuits, including power signal Acquisition Circuit, feedback voltage stabilizing circuit, abnormal signal screening circuit, rectification calibration circuit and differential comparison circuit, amplifier amplitude limiter circuit, the power signal Acquisition Circuit acquires the power signal of electromechanical low-voltage equipment power supply with the power harvester J1 of model AD8318, the feedback voltage stabilizing circuit uses triode Q1, triode Q2 and voltage-stabiliser tube D4 composition feedback voltage stabilizing circuit is to signal stabilization, wherein abnormal signal screening circuit detects feedback voltage stabilizing circuit output signal with silicon-controlled VTL1 and voltage-stabiliser tube D11 composition abnormal signal detection circuit, differential comparison circuit compares adjusting to signal differential with transport and placing device AR1- transport and placing device AR3 and variable resistance RW2, last amplifier amplitude limiter circuit is with fortune Device AR4 is put with phase amplified signal, can be to the power real-time monitoring of electromechanical low-voltage equipment power supply, and power signal is converted to the thermal compensation signal of electromechanical low-voltage equipment power supply power.
Description
Technical field
The present invention relates to field of circuit technology, more particularly to a kind of electromechanical low-voltage equipment power compensating circuit.
Background technique
At present, equipment is usually people's material goods such as required mechanical, device and facility in production and life
General name, electromechanical equipment be then apply mechanical, electronic technology equipment, and usually said mechanical equipment be electromechanical equipment most
Important component part, the power supply of electromechanical equipment is that urban network electricity pressure is powered, after electromechanical equipment internal voltage converter transformation
For electromechanical equipment power supply, since electromechanical low-voltage equipment runing time is too long, the frictional dissipation being easy between fever and equipment can increase
Voltage output power loss after adding low pressure electromechanical equipment internal voltage converter transformation that is to say and cause electromechanical equipment power supply electricity
The situation of the underpower in source, it is prolonged to run, it is easy to electric arc occur, cause fire, cause the loss for being difficult to estimate.
So the present invention provides the new scheme of one kind to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, purpose of the present invention is to provide a kind of electromechanical low pressure to set
Standby power compensating circuit, have be skillfully constructed, the characteristic of human oriented design, can be to the function of electromechanical low-voltage equipment power supply
Rate real-time monitoring, and power signal is converted to the thermal compensation signal of electromechanical low-voltage equipment power supply power.
Its technical solution solved is a kind of electromechanics low-voltage equipment power compensating circuit, including power signal Acquisition Circuit,
Feedback voltage stabilizing circuit, abnormal signal screening circuit, rectification calibration circuit and differential comparison circuit, amplifier amplitude limiter circuit, the function
Rate signal acquisition circuit acquires the power letter of electromechanical low-voltage equipment power supply with the power harvester J1 of model AD8318
Number, with inductance L1 and capacitor C2, capacitor C3 composition π type filter circuit filtering, the feedback voltage stabilizing circuit with triode Q1,
Triode Q2 and voltage-stabiliser tube D4 composition feedback voltage stabilizing circuit rectifies calibration circuit with triode Q3, three to signal stabilization
The further stabilization signal current potential of constant-current circuit of pole pipe Q4 and voltage-stabiliser tube D10 composition, and use variable resistance RW1 and diode
D2, diode D3 form rectification circuit in input difference comparison circuit, wherein abnormal signal screening circuit is transported after signal rectification
Feedback voltage stabilizing circuit output signal is detected with silicon-controlled VTL1 and voltage-stabiliser tube D11 composition abnormal signal detection circuit, is used simultaneously
The signal input difference that capacitor C5- capacitor C7 and resistance R10- resistance R12 composition frequency selection circuit filters out single-frequency is more electric
In road, differential comparison circuit compares adjusting to signal differential with transport and placing device AR1- transport and placing device AR3 and variable resistance RW2, finally
Amplifier amplitude limiter circuit forms amplitude limiter circuit pair with phase amplified signal, and with diode D5, diode D6 with transport and placing device AR4
It exports, is that is to say as the thermal compensation signal of electromechanical low-voltage equipment power supply power after signal limit；
The feedback voltage stabilizing circuit includes triode Q1, one end of the collector connecting resistance R2 of triode Q1, the base of triode Q1
The other end of pole connecting resistance R2 and the collector of triode Q2, one end of the emitter connecting resistance R3 of triode Q1, resistance R4, three
The emitter of pole pipe Q2 connects the cathode of voltage-stabiliser tube D4 and the other end of resistance R3, the other end of the base stage connecting resistance R4 of triode Q2
With one end of resistance R5, the other end of resistance R5 and the plus earth of voltage-stabiliser tube D4；
The rectification calibration circuit includes triode Q3, and the base stage of triode Q3 connects the cathode of diode D9 and the collection of triode Q4
The one of electrode, one end of the emitter connecting resistance R7 of triode Q3, one end of another terminating resistor R6 of resistance R7 and capacitor C8
End, the collector of triode Q3 meet the cathode of the other end of capacitor C8 and the base stage of triode Q4, voltage-stabiliser tube D10, voltage-stabiliser tube D10
Plus earth, the other end of the positive connecting resistance R6 of diode D9, one end of the emitter connecting resistance R13 of triode Q4, electricity
The anode of another terminating diode D2 of R13, one end of the cathode of diode D3 and capacitor C9, capacitor C10 are hindered, diode D2's
Cathode connects the other end of capacitor C9 and the contact 2 of variable resistance RW1, the contact 1 of variable resistance RW1 connect diode D3 anode and
The other end of capacitor C10；
The abnormal signal screening circuit includes silicon-controlled VTL1, and the anode of silicon-controlled VTL1 connects the emitter of triode Q1 and steady
The cathode of pressure pipe D11, one end of the cathode connecting resistance R9 of silicon-controlled VTL1, the control electrode of silicon-controlled VTL1 are meeting voltage-stabiliser tube D1 just
One end of pole and resistance R8, capacitor C4, the other end ground connection of resistance R8, capacitor C4, another terminating resistor R10, the electricity of resistance R9
Hold one end of C5, one end of another terminating resistor R12 of resistance R10, capacitor C6, another termination capacitor C7, the resistance of capacitor C5
One end of R11, the other end ground connection of resistance R11, capacitor C6, the other end of another terminating resistor R12 of capacitor C7.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, with triode Q1, triode Q2 and voltage-stabiliser tube D4 composition feedback voltage stabilizing circuit to signal stabilization, utilize voltage-stabiliser tube D4
Stablize triode Q2 emitter potential, realize and stablize triode Q1 emitter and triode Q2 base potential, that is to say stablize it is defeated
Signal out, while it is further steady to rectify the constant-current circuit that calibration circuit is formed with triode Q3, triode Q4 and voltage-stabiliser tube D10
Determine signal potential, stablize triode Q3 collector potential using voltage-stabiliser tube D10, that is to say stable triode Q4 emitter potential,
Triode Q3, triode Q4 are composite switch circuit, and capacitor C8 is shunt capacitance, filter out high-frequency signal noise, and using can
Power transformation resistance RW1 and diode D2, diode D3 composition rectification circuit are in input difference comparison circuit, passing through tune after signal rectification
The adjustable output signal current potential of variable resistance RW1 resistance value size is saved, there is very big reliability；
2. feedback voltage stabilizing circuit output signal is detected with silicon-controlled VTL1 and voltage-stabiliser tube D11 composition abnormal signal detection circuit,
The turn-on power of silicon-controlled VTL1 judges abnormal signal, and abnormal signal current potential is higher than normal signal, while with capacitor C5- electricity
Hold C7 and resistance R10- resistance R12 composition frequency selection circuit to filter out in the signal input difference comparison circuit of single-frequency, it can be with
The stabilization for guaranteeing signal frequency avoids generating harmonic wave, and differential comparison circuit uses transport and placing device AR1- transport and placing device AR3 and variable resistance
RW2 compares adjusting to signal differential, can inhibit the influence that circuit is brought by the variation of external condition, while stabilization signal is static
Operating point.
Detailed description of the invention
Fig. 1 is a kind of module map of electromechanical low-voltage equipment power compensating circuit of the present invention.
Fig. 2 is a kind of schematic diagram of electromechanical low-voltage equipment power compensating circuit of the present invention.
Fig. 3 is a kind of electromechanical low-voltage equipment power compensating circuit signal flow figure of the present invention.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 3
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
Embodiment one, a kind of electromechanics low-voltage equipment power compensating circuit, including power signal Acquisition Circuit, feedback regulation electricity
Road, abnormal signal screening circuit, rectification calibration circuit and differential comparison circuit, amplifier amplitude limiter circuit, the power signal acquisition
Circuit acquires the power signal of electromechanical low-voltage equipment power supply with the power harvester J1 of model AD8318, with inductance
L1 and capacitor C2, capacitor C3 form the filtering of π type filter circuit, the feedback voltage stabilizing circuit with triode Q1, triode Q2 and
Voltage-stabiliser tube D4 forms feedback voltage stabilizing circuit to signal stabilization, while rectifying calibration circuit with triode Q3, triode Q4 and steady
The further stabilization signal current potential of constant-current circuit of pressure pipe D10 composition, and use variable resistance RW1 and diode D2, diode
D3 forms rectification circuit in input difference comparison circuit, wherein abnormal signal screening circuit is with silicon-controlled after signal rectification
VTL1 and voltage-stabiliser tube D11 composition abnormal signal detection circuit detects feedback voltage stabilizing circuit output signal, while with capacitor C5- electricity
Hold C7 and resistance R10- resistance R12 composition frequency selection circuit to filter out in the signal input difference comparison circuit of single-frequency, difference
Comparison circuit compares adjusting, last amplifier clipping electricity to signal differential with transport and placing device AR1- transport and placing device AR3 and variable resistance RW2
Road transport with transport and placing device AR4 with phase amplified signal, and with diode D5, diode D6 composition amplitude limiter circuit to signal limit after
Output, that is to say as the thermal compensation signal of electromechanical low-voltage equipment power supply power；
The feedback voltage stabilizing circuit is steady to signal with triode Q1, triode Q2 and voltage-stabiliser tube D4 composition feedback voltage stabilizing circuit
It is fixed, stablize triode Q2 emitter potential using voltage-stabiliser tube D4, realizes and stablize triode Q1 emitter and triode Q2 base stage electricity
Position, that is to say stable output signal, while rectify what calibration circuit was formed with triode Q3, triode Q4 and voltage-stabiliser tube D10
The further stabilization signal current potential of constant-current circuit stablizes triode Q3 collector potential using voltage-stabiliser tube D10, that is to say and stablize three poles
Pipe Q4 emitter potential, triode Q3, triode Q4 are composite switch circuit, and capacitor C8 is shunt capacitance, filter out high-frequency signal
Noise, and with variable resistance RW1 and diode D2, diode D3 composition rectification circuit to input difference ratio after signal rectification
Compared in circuit, by adjusting the adjustable output signal current potential of variable resistance RW1 resistance value size, wherein abnormal signal screening circuit
Feedback voltage stabilizing circuit output signal is detected with silicon-controlled VTL1 and voltage-stabiliser tube D11 composition abnormal signal detection circuit, it is silicon-controlled
The turn-on power of VTL1 judges abnormal signal, and abnormal signal current potential is higher than normal signal, at the same with capacitor C5- capacitor C7 and
Resistance R10- resistance R12 composition frequency selection circuit filters out in the signal input difference comparison circuit of single-frequency, it is ensured that letter
The stabilization of number frequency avoids generating harmonic wave, and differential comparison circuit uses transport and placing device AR1- transport and placing device AR3 and RW2 pairs of variable resistance
Signal differential compares adjusting, can inhibit the influence that circuit is brought by the variation of external condition, while stabilization signal quiescent operation
Point；
Particular circuit configurations, one end of the collector connecting resistance R2 of triode Q1, the base stage connecting resistance R2's of triode Q1 is another
The collector at end and triode Q2, one end of the emitter connecting resistance R3 of triode Q1, resistance R4, the emitter of triode Q2 connect
The cathode of voltage-stabiliser tube D4 and the other end of resistance R3, the other end of the base stage connecting resistance R4 of triode Q2 and one end of resistance R5,
The other end of resistance R5 and the plus earth of voltage-stabiliser tube D4；The base stage of triode Q3 connects the cathode and triode Q4 of diode D9
Collector, one end of the emitter connecting resistance R7 of triode Q3, one end of another terminating resistor R6 of resistance R7 and capacitor C8's
One end, the collector of triode Q3 connect the cathode of the other end of capacitor C8 and the base stage of triode Q4, voltage-stabiliser tube D10, voltage-stabiliser tube
The plus earth of D10, the other end of the positive connecting resistance R6 of diode D9, one end of the emitter connecting resistance R13 of triode Q4,
One end of the anode of another terminating diode D2 of resistance R13, the cathode of diode D3 and capacitor C9, capacitor C10, diode D2
Cathode connect the other end of capacitor C9 and the contact 2 of variable resistance RW1, the contact 1 of variable resistance RW1 connects the anode of diode D3
With the other end of capacitor C10；The anode of silicon-controlled VTL1 connects the emitter of triode Q1 and the cathode of voltage-stabiliser tube D11, silicon-controlled
One end of the cathode connecting resistance R9 of VTL1, the control electrode of silicon-controlled VTL1 connect the anode and resistance R8, capacitor C4 of voltage-stabiliser tube D1
One end, the other end ground connection of resistance R8, capacitor C4, one end of another terminating resistor R10 of resistance R9, capacitor C5, resistance R10's
One end of another terminating resistor R12, capacitor C6, one end of another termination capacitor C7 of capacitor C5, resistance R11, resistance R11, electricity
Hold the other end ground connection of C6, the other end of another terminating resistor R12 of capacitor C7；The homophase input terminating resistor of transport and placing device AR2
The other end of R12, one end of the anti-phase input terminating resistor R15 of transport and placing device AR2 and contact 1, the contact 3 of variable resistance RW2, fortune
The other end of the output terminating resistor R15 of device AR2 and one end of resistance R14 are put, the 2 connecting resistance R16's of contact of variable resistance RW2
The non-inverting input terminal of one end and transport and placing device AR1, the contact 3 of the anti-phase input termination variable resistance RW1 of transport and placing device AR1, transport and placing device
AR1 output terminating resistor R16 the other end and resistance R17 one end, one end of another terminating resistor R22 of resistance R17 and
The non-inverting input terminal of transport and placing device AR3, the other end ground connection of resistance R22, the anti-phase input terminating resistor R14's of transport and placing device AR3 is another
One end.
Embodiment two, on the basis of example 1, the amplifier amplitude limiter circuit is with transport and placing device AR4 with mutually amplification letter
Number, the conduction loss of thermal compensation signal, and exported after being limited with diode D5, diode D6 composition amplitude limiter circuit to signal,
Play the role of protecting circuit, that is to say as the thermal compensation signal of electromechanical low-voltage equipment power supply power, the same phase of transport and placing device AR4
One end of input terminating resistor R18, resistance R20, the output end of another termination transport and placing device AR3 of resistance R18, transport and placing device AR4's
One end of anti-phase input terminating resistor R19, the other end ground connection of resistance R19, the output terminating resistor R20's of transport and placing device AR4 is another
The anode of the cathode of one end and diode D5, diode D6, the anode of diode D5 connect the cathode and resistance R21 of diode D6
One end, another termination signal output port of resistance R21.
Embodiment three, on the basis of example 1, the power signal Acquisition Circuit select model AD8318 power
Collector J1 collector J1 acquires the power signal of electromechanical low-voltage equipment power supply, with inductance L1 and capacitor C2, capacitor C3
The filtering of π type filter circuit is formed, filters out signal noise, one end of the power supply termination power+5V and capacitor C1 of power harvester J1,
The ground terminal of power harvester J1 is grounded, the other end and inductance L1, capacitor C2 of the output termination capacitor C1 of power harvester J1
One end and voltage-stabiliser tube D1 cathode, the plus earth of voltage-stabiliser tube D1, capacitor C2 the other end ground connection, the other end of inductance L1
One end of connecting resistance R1, capacitor C3, the other end ground connection of capacitor C3, the collector of another termination triode Q1 of resistance R1.
When the present invention is specifically used, a kind of electromechanics low-voltage equipment power compensating circuit, including it is power signal Acquisition Circuit, anti-
Present voltage regulator circuit, abnormal signal screening circuit, rectification calibration circuit and differential comparison circuit, amplifier amplitude limiter circuit, the power
Signal acquisition circuit acquires the power signal of electromechanical low-voltage equipment power supply with the power harvester J1 of model AD8318,
With inductance L1 and capacitor C2, capacitor C3 composition π type filter circuit filtering, the feedback voltage stabilizing circuit uses triode Q1, three
Pole pipe Q2 and voltage-stabiliser tube D4 composition feedback voltage stabilizing circuit stablizes triode Q2 emitter electricity to signal stabilization, using voltage-stabiliser tube D4
Position is realized and stablizes triode Q1 emitter and triode Q2 base potential, that is to say stable output signal, while rectifying calibration electricity
The further stabilization signal current potential of constant-current circuit of road transport triode Q3, triode Q4 and voltage-stabiliser tube D10 composition, utilize voltage-stabiliser tube
D10 stablizes triode Q3 collector potential, that is to say stable triode Q4 emitter potential, triode Q3, triode Q4 are multiple
Combination switch circuit, capacitor C8 are shunt capacitance, filter out high-frequency signal noise, and use variable resistance RW1 and diode D2, two
Pole pipe D3 forms rectification circuit to after signal rectification in input difference comparison circuit, passes through and adjusts variable resistance RW1 resistance value size
Adjustable output signal current potential, wherein abnormal signal screening circuit is with the abnormal letter of silicon-controlled VTL1 and voltage-stabiliser tube D11 composition
Number detection circuit detects feedback voltage stabilizing circuit output signal, and the turn-on power of silicon-controlled VTL1 judges abnormal signal, abnormal to believe
Number current potential is higher than normal signal, while forming frequency selection circuit with capacitor C5- capacitor C7 and resistance R10- resistance R12 and filtering out list
In the signal input difference comparison circuit of one frequency, it is ensured that the stabilization of signal frequency avoids generating harmonic wave, differential comparison electricity
Road transport transport and placing device AR1- transport and placing device AR3 and variable resistance RW2 compare adjusting to signal differential, can inhibit by external condition
Variation brings the influence of circuit, while stabilization signal quiescent point, and last amplifier amplitude limiter circuit is mutually put with transport and placing device AR4 is same
Big signal, and that is to say with diode D5, diode D6 composition amplitude limiter circuit to being exported after signal limit as electromechanical low pressure
The thermal compensation signal of equipment power supply power.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (3)
1. a kind of electromechanics low-voltage equipment power compensating circuit, including power signal Acquisition Circuit, feedback voltage stabilizing circuit, abnormal signal
Screening circuit, rectification calibration circuit and differential comparison circuit, amplifier amplitude limiter circuit, which is characterized in that the power signal acquisition
Circuit acquires the power signal of electromechanical low-voltage equipment power supply with the power harvester J1 of model AD8318, with inductance
L1 and capacitor C2, capacitor C3 form the filtering of π type filter circuit, the feedback voltage stabilizing circuit with triode Q1, triode Q2 and
Voltage-stabiliser tube D4 forms feedback voltage stabilizing circuit to signal stabilization, while rectifying calibration circuit with triode Q3, triode Q4 and steady
The further stabilization signal current potential of constant-current circuit of pressure pipe D10 composition, and use variable resistance RW1 and diode D2, diode
D3 forms rectification circuit in input difference comparison circuit, wherein abnormal signal screening circuit is with silicon-controlled after signal rectification
VTL1 and voltage-stabiliser tube D11 composition abnormal signal detection circuit detects feedback voltage stabilizing circuit output signal, while with capacitor C5- electricity
Hold C7 and resistance R10- resistance R12 composition frequency selection circuit to filter out in the signal input difference comparison circuit of single-frequency, difference
Comparison circuit compares adjusting, last amplifier clipping electricity to signal differential with transport and placing device AR1- transport and placing device AR3 and variable resistance RW2
Road transport with transport and placing device AR4 with phase amplified signal, and with diode D5, diode D6 composition amplitude limiter circuit to signal limit after
Output, that is to say as the thermal compensation signal of electromechanical low-voltage equipment power supply power；
The feedback voltage stabilizing circuit includes triode Q1, one end of the collector connecting resistance R2 of triode Q1, the base of triode Q1
The other end of pole connecting resistance R2 and the collector of triode Q2, one end of the emitter connecting resistance R3 of triode Q1, resistance R4, three
The emitter of pole pipe Q2 connects the cathode of voltage-stabiliser tube D4 and the other end of resistance R3, the other end of the base stage connecting resistance R4 of triode Q2
With one end of resistance R5, the other end of resistance R5 and the plus earth of voltage-stabiliser tube D4；
The rectification calibration circuit includes triode Q3, and the base stage of triode Q3 connects the cathode of diode D9 and the collection of triode Q4
The one of electrode, one end of the emitter connecting resistance R7 of triode Q3, one end of another terminating resistor R6 of resistance R7 and capacitor C8
End, the collector of triode Q3 meet the cathode of the other end of capacitor C8 and the base stage of triode Q4, voltage-stabiliser tube D10, voltage-stabiliser tube D10
Plus earth, the other end of the positive connecting resistance R6 of diode D9, one end of the emitter connecting resistance R13 of triode Q4, electricity
The anode of another terminating diode D2 of R13, one end of the cathode of diode D3 and capacitor C9, capacitor C10 are hindered, diode D2's
Cathode connects the other end of capacitor C9 and the contact 2 of variable resistance RW1, the contact 1 of variable resistance RW1 connect diode D3 anode and
The other end of capacitor C10；
The abnormal signal screening circuit includes silicon-controlled VTL1, and the anode of silicon-controlled VTL1 connects the emitter of triode Q1 and steady
The cathode of pressure pipe D11, one end of the cathode connecting resistance R9 of silicon-controlled VTL1, the control electrode of silicon-controlled VTL1 are meeting voltage-stabiliser tube D1 just
One end of pole and resistance R8, capacitor C4, the other end ground connection of resistance R8, capacitor C4, another terminating resistor R10, the electricity of resistance R9
Hold one end of C5, one end of another terminating resistor R12 of resistance R10, capacitor C6, another termination capacitor C7, the resistance of capacitor C5
One end of R11, the other end ground connection of resistance R11, capacitor C6, the other end of another terminating resistor R12 of capacitor C7；
The differential comparison circuit includes transport and placing device AR2, the other end of the homophase input terminating resistor R12 of transport and placing device AR2, amplifier
One end of the anti-phase input terminating resistor R15 of device AR2 and contact 1, the contact 3 of variable resistance RW2, the output end of transport and placing device AR2
The other end of connecting resistance R15 and one end of resistance R14, one end of the 2 connecting resistance R16 of contact of variable resistance RW2 and transport and placing device AR1
Non-inverting input terminal, the contact 3 of the anti-phase input termination variable resistance RW1 of transport and placing device AR1, the output of transport and placing device AR1 terminates electricity
Hinder the other end of R16 and one end of resistance R17, one end of another terminating resistor R22 of resistance R17 and the same phase of transport and placing device AR3
Input terminal, the other end ground connection of resistance R22, the other end of the anti-phase input terminating resistor R14 of transport and placing device AR3.
2. a kind of electromechanical low-voltage equipment power compensating circuit as described in claim 1, which is characterized in that the amplifier amplitude limiter circuit
Including transport and placing device AR4, one end of the homophase input terminating resistor R18 of transport and placing device AR4, resistance R20, another termination of resistance R18
The output end of transport and placing device AR3, one end of the anti-phase input terminating resistor R19 of transport and placing device AR4, the other end ground connection of resistance R19, fortune
The anode of the other end of the output terminating resistor R20 of device AR4 and the cathode of diode D5, diode D6 is put, diode D5 is just
Pole connects the cathode of diode D6 and one end of resistance R21, another termination signal output port of resistance R21.
3. a kind of electromechanical low-voltage equipment power compensating circuit as described in claim 1, which is characterized in that the power signal acquisition
Circuit includes one end of the power supply termination power+5V and capacitor C1 of model AD8318 power harvester J1, power harvester J1,
The ground terminal of power harvester J1 is grounded, the other end and inductance L1, capacitor C2 of the output termination capacitor C1 of power harvester J1
One end and voltage-stabiliser tube D1 cathode, the plus earth of voltage-stabiliser tube D1, capacitor C2 the other end ground connection, the other end of inductance L1
One end of connecting resistance R1, capacitor C3, the other end ground connection of capacitor C3, the collector of another termination triode Q1 of resistance R1.
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| CN110554289A (en) * | 2019-10-14 | 2019-12-10 | 河南理工大学 | Low-voltage series fault arc detection system |
| CN110865675A (en) * | 2019-11-29 | 2020-03-06 | 郑州工程技术学院 | Power supply control system |
| CN110887869A (en) * | 2019-11-29 | 2020-03-17 | 苏业梅 | KYN type high-voltage board dew point detection circuitry |
| CN110865675B (en) * | 2019-11-29 | 2021-05-18 | 郑州工程技术学院 | Power supply control system |
| CN110946572A (en) * | 2019-12-18 | 2020-04-03 | 郑州轻工业大学 | Wireless Electrocardiogram (ECG) acquisition monitoring device |
| CN111030609A (en) * | 2020-01-10 | 2020-04-17 | 南阳理工学院 | Cloud computing network signal adjusting device |
| CN111476992A (en) * | 2020-05-08 | 2020-07-31 | 中国北方车辆研究所 | Bearing rotating speed signal regulating circuit in electrical equipment |
| CN111476992B (en) * | 2020-05-08 | 2021-06-08 | 中国北方车辆研究所 | Bearing rotating speed signal regulating circuit in electrical equipment |
| CN111653077A (en) * | 2020-05-28 | 2020-09-11 | 苏龙嘎 | Building construction information monitoring system based on Internet of things |
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