CN1069343A - The detection method of convection current and device thereof - Google Patents
The detection method of convection current and device thereof Download PDFInfo
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- CN1069343A CN1069343A CN 91108134 CN91108134A CN1069343A CN 1069343 A CN1069343 A CN 1069343A CN 91108134 CN91108134 CN 91108134 CN 91108134 A CN91108134 A CN 91108134A CN 1069343 A CN1069343 A CN 1069343A
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Abstract
The invention belongs to the detection range of convection current.
The present invention detects the convection signal with inducing method, and, amplification synthetic through signal, driving, coupling, signal synthesis processing, low frequency signal and small-signal A/D conversion and control and treatment circuit remove to control motor, electromagnet or relay; Controlled oscillation and audio output circuit.Simultaneously, also have some auxiliary circuits controlling partial circuit in the circuit.
The present invention can be used for destruction of pest and insect; Do earthquake, earth subsidence, come down, cave in, vibration, the detection of rocking signal, supervision, warning such as landslide, medical treatment; Make the automatic warning or the alarm of aspects such as antitheft, strick precaution, safety in production.
Description
The present invention relates to a kind of detection method and device thereof of convection current, particularly detect a kind of method and apparatus that micro-convection current changes.
Now people detect the method for flow of charge, generally all are with various electric current instrumentation conduction currents, and to the detection of convection current, have not also seen what method, and also do not know to detect this parameter what usefulness is arranged.
Purpose of the present invention is exactly in order to solve above-mentioned institute problem, a kind of detection method and device thereof of convection current are proposed, it can detect the aerial convection current of apparatus of the present invention reliably and change, utilize this testing result, add other device, can be applicable to: 1, all kinds of vibrations, rock, physical displacement, deformation variable quantity such as shake convert electric signal to.This can be applicable to earthquake, earth subsidence, come down, cave in, cave in, use such as supervision, measurement or warning are made in medical treatment and other aspect.2, survey the people's signal that moves.This can be to stationary applica-tions; do safeguard protection in the specialized range, take precautions against use such as warning, burglar alarm; 3, probe portion flies, runs, walks, climbs the information of the harmful animal and the insect of class, this for deratize, harmful animal, insect such as cockroach, fly, mosquito provide a kind of new way.
Method of the present invention is: with direct naked being placed in the air of the some metal lines of induction (device), detect itself and air generation convection current and change the signal voltage that produces, parallel successively to be placed on the naked line of induction (device) of putting other with the metal line of induction (device) of some external insulations simultaneously, respond to aerial undesired signal, all connect a prime amplifier at each line of induction (device) end, and this part is placed in the radome.Prime amplifier is subjected to humidity to adjust the control of circuit, the output feed signals of prime amplifier is synthetic, common mode inhibition, differential mode amplification, output circuit are handled, are disturbed to eliminate part, obtain detecting the convection current signal, and above-mentioned each part all can add voltage of electric field by the footpath power supply.This signal send after coupling and follows, the processing of trap, amplification (or increasing absolute value) circuit, takes out low frequency signal voltage.Also to amplify (or using other filtering circuit) to littler signal, amplify and the absolute value circuit processing, obtain small signal through the compensation differential.These two kinds of signal voltages are through A/D conversion and trigger, and the processing of circuit such as time-delay, anti-interference, controlled oscillation, audio frequency output removes to control the electromechanics, electroacoustic equal controller or other device that are connected.
Pick-up unit of the present invention as shown in drawings.Below in conjunction with description of drawings technical scheme of the present invention and groundwork principle.
Fig. 1 is that the circuit in apparatus of the present invention is formed frame principle figure, is example with 8 groups of pre-amplification circuits among the figure.
The electrical schematic diagram that Fig. 2 is that preposition amplification in apparatus of the present invention, signal are synthetic, circuit is adjusted in amplification, output, humidity.
Fig. 3 is that signal synthesis is handled in apparatus of the present invention, low frequency signal A/D changes and the electrical schematic diagram of control and treatment circuit.
Fig. 4 is the electrical schematic diagram of anti-interference in apparatus of the present invention, controlled oscillation and audio output circuit.
Fig. 5 is the electrical schematic diagram of medium and small signal A/D conversion of apparatus of the present invention and control and treatment circuit.
Fig. 6 is a power circuit electrical schematic diagram in apparatus of the present invention.
As Fig. 1, in apparatus of the present invention, each the exposed line of induction (device) A
1-A
nThe external insulation line of induction (device) B with the parallel placement of a side
1-B
nConnect anti-phase each other prime amplifier respectively, and this part is placed in the radome, each two line of induction exposed and another external insulation, and the anti-phase each other prime amplifier that connects separately is one group of pre-amplification circuit, the output of arbitrary group of pre-amplification circuit is connect the input end that humidity is adjusted circuit, and the output of humidity adjustment circuit connects the control of Electric potentials end of each road prime amplifier.Each is organized the output of pre-amplification circuit and gives each signal synthesis circuit respectively, export to common mode inhibition, differential mode amplification path after synthetic, and by the output circuit output signal, its output feed signals overall treatment circuit after being coupled, the output of signal integrated processing circuit, one the tunnel connects low frequency signal A/D conversion and control and treatment circuit, and another road connects small-signal A/D conversion and control and treatment circuit.A road of low frequency signal A/D conversion and control and treatment circuit outputs to controlled oscillator and audio output circuit, and another road outputs to electromagnet or other electromechanical assembly of the various mechanical actions of control, also may command circuit arrangement.The output of small-signal A/D conversion and control and treatment circuit connects motor or other electromechanical assembly.The control end of controlled oscillator and small-signal A/D conversion and control and treatment circuit connects the output terminal of anti-jamming circuit respectively.The input termination power supply of anti-jamming circuit.Power unit also provides the voltage of electric field of extra electric field except that to full machine power supply.
Further describe below in conjunction with accompanying drawing.
As Fig. 2 line of induction (device) A
1An end unsettled, the other end is connected with the negative pole of stabilivolt 1BG2, the end of resistance 1R2, the 2nd input end of integrated package 1A1 respectively, the positive pole of 1BG2 meets the V of power supply output
EEnd, another termination humidity of 1R2 are adjusted voltage output V
△End, the negative pole of the 1st input termination stabilivolt 1BG1 of 1A1, the positive pole of 1BG1 connects the output terminal of 1A1 and the end of resistance 1R1, and this part forms the positive polarity amplifier.The line of induction (device) B
1An end unsettled, the other end respectively with the end of resistance 1R3, the negative pole of stabilivolt 1BG3,1BG4, the 1st input end of integrated package 1A2 connects, another termination V of 1R3
△, the positive pole of 1BG3 connects the output terminal of 1A2 respectively, the sliding contact of potentiometer 1W1 and another contact.The positive pole of 1BG4 meets V
EEnd, the 2 termination powers output V of 1A2
REnd, this part forms the negative polarity amplifier.1BG2,1BG4 shield in the circuit, and 1R2,1R3 are used to provide biasing and extra electric field path, and 1A1 is used to amplify various undesired signals and convection signal, and 1A2 is used to amplify various undesired signals.1BG1,1BG3 are feedback element, are used to provide backfeed loop.Below the connection of seven groups of pre-amplification circuits all identical.
Another contact of the other end of 1R1 and 1W1 and the end of 2R1 join.This part is that first group of signal is synthetic, and it act as: the common-mode signal of 1A1,1A2 output is reduced.Whole one group of pre-amplification circuit and first group of signal synthesis circuit are installed in radome C and the shielding box, and insert extra electric field voltage, below the output connection of 7 groups of pre-amplification circuits (abbreviation group) the same.Pre-amplification circuit is exported series connection 1R4,1W2 successively, 1R7,1W3,1R10,1W4 from second group to the 8th group, 1R13,1W5,1R16,1W6,1R19,1W7,1R22,1W8, it connects mid point is the output terminal of this group, with first group and the 5th group, second group and the 6th group, the 3rd group and the 7th group, the 4th group of output terminal with the 8th group distinguished series resistor 2R1 and 2R2,2R3 and 2R4,2R5 and 2R6,2R7 and 2R8.4 mid points of its series resistor are respectively four output terminals, are made as S successively
1, S
2, S
3, S
4, and behind this 4 end points, all connect the four-input terminal of RC coupled circuit to two groups of discharge circuits.2R1-2R8 plays the signal synthesis.By integrated package 2A1,2A2, resistance 2R10,2R11,2R12, potentiometer 2W1 is one the tunnel; Integrated package 2A3,2A4, resistance 2R15,2R16,2R17, are another road at potentiometer 2W2, form two groups with being in series differential operational amplifiers, output termination next stage differential amplifier input end.Integrated package 2A5, resistance 2R19,2R20,2R21, potentiometer 2W3 forms differential amplifier, the stiff end of its output termination switch 2K1, another fixedly termination self-test signal input, the moving contact of 2K1 connects the positive pole of electrolysis 2C5, the end of its negative pole connecting resistance 2R22, the base stage of triode 2BG1, the other end of 2R22, the current collection collection of 2BG1, the negative pole of stabilivolt 2BG2 meet power supply output V
REnd, (1) end of the cathode connecting transformer TV1 of the emitter of 2BG1,2BG2, (2) termination power output V of TV1
EEnd, above circuit function is: 4 road input signals are synthesized the output of one road signal, and suppress the common mode composition, amplify difference mode signal, make voltage follow through 2BG1, send TV1 coupling back output (also available optocoupler coupling) here.2BG2 is protection stabilivolt (2K1 can).Humidity is adjusted circuit and is made up of following method: potentiometer 2W4 one termination V
E, another termination V
C, sliding contact connects the in-phase input end of integrated package 2A6, and resistance 2,R23 one end is appointed and is met S
1-S
4An end, the other end of 2R23,2R24 and 2A6 are connected into inverting amplifier circuit, output connecting resistance 2,R25 one end of 2A6, the positive pole of another termination electrolysis 2C6 of 2R25, this point are voltage output V
△End, the negative pole of 2C6 meets power supply V
EEnd.2R25,2C6 form the RC wave filter.
Be input to the input end of voltage follower integrated package 3A1, the negative pole of stabilivolt 3BG1 as Fig. 3 signal through transformer TV1 (3) end, (4) end ground connection of TV1, the positive pole of 3BG1 meets power supply output V
-End.Acting as of this part circuit: impedance transformation, improve output power, 3BG1 shields.The output termination of 3A1 is by integrated package 3A2,3A3, potentiometer 3W1,3W2, and resistance 3R1,3R2,3R3,3R4,3R5,3R6,3R7, electric capacity 3C1,3C2, composition 50HZ trap circuit, it act as: the 50HZ composition in the signal is attenuated.By the output termination of signal behind the trap by integrated package 3A4, the amplifier that resistance 3R8,3R9,3R10, electrolysis 3C3 form.It act as: (this part also can be connected into absolute value circuit to amplifying signal voltage, to improve the effective ingredient of signal), output termination low frequency signal A/D conversion and control and treatment circuit and by integrated package 3A5,3A6, electric capacity 3C4,3C5,3C6,3C7, resistance 3R11,3R12,3R13, the input end of the two-stage series connection compensation differential amplifier circuit that potentiometer 3W3,3W4 form.Acting as of this circuit suppresses the part height, low frequency, lifting one band frequency, and reduce phase-shift phase as much as possible.To the littler signal Processing filtering circuit of available other form also.The output of two-stage compensation differential amplifier circuit meets integrated package 3A7 through 3C8, resistance 3R14,3R15, the voltage amplifier input end that potentiometer 3W6 forms, this part circuit function is: the signal that previous stage is sent here amplify after electric capacity 3C9 to absolute value circuit, the other end of 3C9 connects the in-phase end of integrated package 3A8 respectively, the end of resistance 3R17,3R18.Resistance 3R16, potentiometer 3W7 and 3A8 form in-phase amplifier, the inverting input of another termination integrated package 3A9 of 3R18, the end of potentiometer 3W8, series resistor 3R19 between the in-phase end of 3A9 and the ground, the output terminal of 3A9 connect the other two ends of 3W8, the positive pole of diode 3BG3 respectively.The end of the negative pole connecting resistance 3R20 of 3BG2,3BG3 and the base stage of triode 3BG4, the collector of 3BG4 meets power supply V
+, the end of emitter connecting resistance 3R21 and the fixed contact of switch 6K1, another termination power output V of 3R21
-End, the acting as of this part circuit: the signal of absolute value output is exported behind emitter following.3W3,3W4,3W5,3W6,3W7,3W8 can use fixed resistance in the above circuit, integrated package 2A1-2A6 among figure two, the figure three, 3A1-3A9, and the 5A1 among Fig. 4,10A1 among Fig. 6, all available LM324, LM358, the direct current supply of 3A1-3A9,5A1 provides after 3L1,3C10LC filtering.
The low frequency signal of 3A4 output, be connected to the positive pole of electrolysis 4C1 through two fixed contacts of switch 4K1,6K2, the negative pole of 4C1 is the end of connecting resistance 4R1 respectively, the in-phase input end of integrated package 4A1,4A2, the other end ground connection of 4R1, the inverting input of 4A1,4A2 connects the moving contact of potentiometer 4W1,4W2 respectively, and the fixed contact of 4W1,4W2 meets power supply output V
+End, other end ground connection, the output terminal connecting resistance 4R2 of 4A1 and the end of 4R3, another termination switch 7K1 one fixed contact of 4R3 and the positive pole of diode 5BG5, another termination V of 4R2
+End, the end of the output terminal difference connecting resistance 4R4 of 4A2, the CP end of integrated package 4D1, the input end of integrated package 4D2, the positive pole of diode 4BG1, the end of electric capacity 4C2, another termination power output V of 4C2
-End, another termination V of 4R4
+End.Acting as of each element: 4C14R1 forms the RC coupled circuit, and 4R1 is the biasing resistor of 4A1,4A2 simultaneously, and 4W1,4W2 are used for the setting of voltage comparator reference voltage, and 4R2,4R4 are the pull-up resistor of 4A1,4A2.Acting as of this part circuit: the voltage of certain amplitude is done the A/D conversion, and 4R3 is used for transmission signals, and 4C2 is used for the filtering noise jamming.Trigger control and mainly be made up of 4D1 and peripheral circuit, (a) D holds control circuit by electric capacity 4C2,4C3,4C4, diode 4BG1, and potentiometer 4W3, resistance 4R5,4R6, triode 4BG2 forms.This part circuit is only just used when 4D1 makes the protection controller; make the chronotron of electromagnet as 4D1; this part circuit can; only the D of 4D1 is terminated to the negative pole of 4BG6; the positive pole of 4BG6 connects the Q end of integrated circuit 5D2; when 4D1 does not make the electromagnet chronotron; should not meet 5D2; when 4D1 is used as the protection controller; the negative pole of diode 4BG1 connects the fixed contact of potentiometer 4W3, and two contacts connect the positive pole of electrolysis 4C3, the end of resistance 4R5, the collector of triode 4BG2, the D end of 4D1 respectively in addition.The negative pole of 4C3, the other end of 4R5, termination power output V one end of the emitter of 4BG2, resistance 4R6.The base stage of 4BG2 connects the other end of 4R6 and the end of electric capacity 4C4, the Q end of another termination 4D1 of 4C4 and the input end of integrated package 6D7.Acting as of this part circuit: after continuous impulse is exported from 4BG1, charging through the t1 time, making the level of D end is 1, what the level of D end again can be controlled simultaneously bleeds off fast, in order to triggering once more, this part circuit as need not, then the level of D end should be subjected to the Q end control of 5D2, effect is can be anti-interference, is difficult for by false triggering.(b) R holds control circuit by resistance 4R7,4R8, electric capacity 4C5,4C6, and integrated package 4D2, triode 4BG4, diode 4BG3 forms.The end of the R termination 4R7 of integrated package 4D1, the positive pole of 4C5, the emitter of 4BG4, the positive pole of 4BG3, the S termination V of the negative pole of 4C5, the collector of 4BG4,4D1
-End, the base stage of 4BG4 connects the end of 4C6,4R8, the output terminal of another termination 4D2 of 4C6, another termination V of 4R8
+End.Acting as of this part circuit: determine 4D1 time-delay reset time t2 by 4R7,4C5.4D2,4C6,4BG4 are used for rapid discharge, trigger once more in order to 4D1.(C) end of the negative pole of the other end of Q termination 4R7,4BG3, resistance 4R9, the base stage of another termination triode 4BG5 of 4R9, the emitter of 4BG5 meets V
-End, the collector connecting relay J of 4BG5 or an end of electromagnet, another termination power output V of relay or electromagnet
AOr V
+End.Acting as of this part circuit: drive 4BG5 attracting electric relay or electromagnet; For 4BG3 provides a rapid discharge approach, also provide voltage simultaneously for the 4C5 charging.4D1 is CD4013, and 4A1,4A2 are LM339, and 4D2 is CD4069.
As Fig. 4, the V of the termination power of electric capacity 5C1 output
+End, the end of the other end connecting resistance 5R1 of 5C1 and the in-phase input end of integrated package 5A1, the other end ground connection of fixing and moving contact a: 5R1 and the 5R2 of the end of the inverting input connecting resistance 5R2 of 5A1 and potentiometer 5W1, the output terminal of another termination 5A1 of 5W1 and the end of electric capacity 5C2.Acting as of this part circuit: amplify the interchange undesired signal in the power supply.The end of the other end difference connecting resistance 5R3 of 5C2, end of oppisite phase and the in-phase end of integrated package 5A2,5A3, the end ground connection of potentiometer 5W2,5W3, another termination power output V of 5W2
+End, moving contact connects the in-phase input end of 5A2, another termination power input V of 5W3
-End, moving contact connects the inverting input of 5A3.The termination V of resistance 5R4,5R5
+End, the output terminal of another termination 5A2 of 5R4 and the negative pole of 5BG1, the output terminal of another termination 5A3 of 5R5 and the negative pole of 5BG2, the anodal connecting resistance 5R6 of diode 5BG1,5BG2 and the end of 5R7, another termination V of 5R6
+End, the input end of another termination integrated package 5D1 of 5R7 and the negative pole of diode 5BG3, this part circuit function is: the 5A1 amplifying signal is done the A/D conversion of positive-negative polarity, and it is merged into one the tunnel export.5W2,5W3 magnitude of voltage for referencial use is determined usefulness, and 5R4,5R5 are the pull-up resistor of 5A2,5A3, and 5BG1,5BG2 are used to separate the DC potential of 5A1,5A2 output, and synthetic one tunnel output, and 5R6 is its pull-up resistor.The positive pole of 5BG3 is the end of connecting resistance 5R8,5R11 respectively, the positive pole of electrolysis 5C3, and the Q end of another termination integrated package 6D3 of 5R8, the output terminal of another termination integrated package 7D3 of 5R11, the negative pole of 5C3 meet power supply output V
-End.Acting as of this part circuit: 5R8,5R11,5C3 form the duration of charging of t3 and t4, and through the unidirectional conducting of 5BG3, then the 5D1 input is subjected to the control of three aspects.The D termination V of integrated package 5D2
+End, CP termination 5D1 output terminal, S termination V
-End.The end of Q end difference connecting resistance 5R9, the input end of integrated package 7D4, the positive pole of diode 6BG3.The R end connects the positive pole of electrolysis 5C4, the other end of 5R9, the collector of triode 5BG4 respectively.The negative pole of 5C4, the emitter of 5BG4, the termination V of resistance 5R10
-End.The Q end connects the negative pole of diode 5BG5, the end of electric capacity 5C5, the end of resistance 6R5 respectively.Handle and control circuit when making the control circuit of electromagnet at low frequency signal, the positive pole of the Q terminating diode 4BG6 of 5D2, other output control part is not as need not connecing.The other end of the other end connecting resistance 5R10 of electric capacity 5C5 and the base stage of 5BG4.The other end of the anodal connecting resistance 4R3 of 5BG5 and the stiff end of switch 7K1, acting as of this part circuit: controlled oscillator, small-signal A/D conversion and control and treatment circuit, low frequency signal A/D conversion and control and treatment circuit are controlled in the output of anti-jamming circuit respectively, and 5D2, R end control circuit plays time-delay reset and rapid discharge effect.In the above circuit, 5A2,5A3 are LM393, and 5D1 is CD4069, and 5D2 is CD4013.
The moving contact of switch 7K1 is the end of connecting resistance 7R1,7R2 respectively, the end of electric capacity 7C1, and the end of the other end of 7R1 and 7C1, button 7AN1, another contact of 7K1 meet V
-End, the other end of 7R2 connects the other end of 7AN1, the positive pole of diode 7BG4, another input end of integrated package 7D4, the input end of integrated package 7D1,7D2, the negative pole of diode 7BG1 respectively.Acting as of this part circuit: judge and control what kind of pulse just to make the oscillator work and the how failure of oscillations.4R3,7C1 are the duration of charging circuit, and 7R2 is used for dividing potential drop, and 7R1 is a discharge resistance.The end of another input end connecting resistance 7R4 of 7D1, the end of the output terminal difference connecting resistance 7R5 of 7D1, the negative pole of diode 7BG2, another input end of 7D2.The end of the output termination capacitor 7C3 of 7D2 and the end of resistance 7R7, the other end of 7R4,7R5,7C3 also connects, the end of the positive pole difference connecting resistance 7R6 of 7BG2, the positive pole of electrolysis 7C2, the input end of integrated package 7D3.The output terminal connecting resistance 7R3 of 7D3, the end of 7R11, the positive pole of another terminating diode 7BG1 of 7R3, another termination V of 7R6
+End, the negative pole of 7C2 meets V
-End.Acting as of this part circuit: under the control of DC level, finish the impulse hunting function, and finish the function of keeping dc controling level, to guarantee not failure of oscillation of oscillator by 7D3,7R6,7C2,7BG2 by 7D1,7D2,7R4,7R5,7C3.The base stage of another termination triode 7BG3 of resistance 7R7,7R8, the temperature controlled pulse output end of a termination of 7R8 (temperature control is the parts of use such as calamity warning of starting to exchange fire, and these parts have patent in addition).The emitter of 7BG3 meets power supply output V
+End, the end of the collector connecting resistance 7R9 of 7BG3 and the fixed contact of switch 7K2, another fixed contact of 7K2 meets V
-End, the end of the moving contact connecting resistance 7R10 of 7K2, the base stage of another termination triode 7BG5 of 7R10, the collector of 7BG5 connects the elementary end of transformer TV2, elementary another termination power output V
AEnd, or V
+End.TV2 time level connects loudspeaker Y, and the emitter of 7BG5 meets power supply output V
-End.Loudspeaker can be used piezoelectric buzzer instead, and TV2 can save, and use a resistance instead or connect piezoelectric buzzer with autotransformer.7D1,7D2,7D4 are CD4011 in this circuit, and 7D3 is CD4069.
A fixed contact that meets switch 6K1 as Fig. 5 small-signal is imported, another fixed contact ground connection, and moving contact connects the end of electric capacity 6C1, the end of the other end difference connecting resistance 6R2 of 6C1, the inverting input of integrated package 6A1,6A2, the other end ground connection of 6R2.The termination power output V of resistance 6R1
+End, the positive pole of another termination electrolysis 6C2 of 6R1 and the stiff end of potentiometer 6W1, the moving contact of 6W1 connects the in-phase input end of 6A1, another of 6W1 be the fixed contact of termination potentiometer 6W2 fixedly, the moving contact of 6W2 connects the in-phase input end of integrated package 6A2 and the positive pole of electrolysis 6C3, the other end of 6W2 and the minus earth of 6C3.6C1,6R2 play the RC coupling, and 6R1,6W1,6W2 are used for dividing potential drop and do the direct current biasing of 6A1,6A2,6C2, and 6C3 is used for filtering.One of resistance 6R3,6R4 terminates at V
+End, the output terminal of another termination 6A1 of 6R3, the negative pole of diode 6BG1, the output terminal of another termination 6A2 of 6R4, the input end of integrated package 6D1, the negative pole of diode 6BG4,6BG5.6A1,6A2 is voltage comparator LM393, is used to do the A/D conversion, 6R3,6R4 are the pull-up resistor of 6A1,6A2.In the first order trigger circuit of being made up of integrated package 6D3, (a) positive pole of diode 6BG1 connects the D end of 6D3 and the end of resistance 6R5, the Q end of another termination integrated package 5D2 of 6R5.It act as: be controlled at first pulse signal when coming, whether 6D3 can trigger.(b) CP of the output termination 6D3 of 6D1 and integrated package 6D4,6D5,6D6 end, it act as: with 6D1 shaping, paraphase are carried out in the pulse of 6A2 output.(c) R end control circuit is by resistance 6R6,6R7,6R8, electric capacity 6C4,6C5, diode 6BG3,6BG4, triode 6BG2, integrated package 6D2 forms, the Q end of the termination 6D3 of 6R6,6R7, the other end of 6R6 connects the positive pole of electric capacity 6C4, the R end of 6D3, the negative pole of 6BG3, the collector of 6BG2 respectively.The termination power output V of the negative pole of 6C4, the emitter of 6BG2,6R8
-End.The positive pole of 6BG3 connects the Q end of 5D2.The input end of another termination 6D2 of 6R7, the positive pole of 6BG4, the end of the output termination 6C5 of 6D2, the base stage of another termination 6BG2 of 6C5, the other end of 6R8.Acting as of this part circuit: (1) is determined the time t7 of 6D3 time-delay reset by the anodal current potential of 6R6,6C4 and 6BG3.(2), do rapid discharge and use by 6R7,6R8,6D2,6C5,6BG2.(d) Q of 6D3 end also connects the D end of integrated package 6D4, the input end of integrated package 6D7, the other end of resistance 5R8.It act as: an output control level is provided.(e) R of Q termination integrated package 6D6 end, it act as: 6D6 can only just might be exported when 6D3 Q end is O.In second utmost point trigger circuit of being made up of integrated package 6D4, the R of 6D4 end connects the positive pole of diode 6BG5, the positive pole of electrolysis 6C6, the end of resistance 6R9 respectively.The Q end of another termination 6D4 of 6R9 and the D end of integrated package 6D5.Acting as of this part circuit: discern second pulse, and provide the charging level of t8 time delays, the negative pole of the Q terminating diode 6BG6 of 6D4 for subordinate.
In the third level trigger circuit of being made up of integrated package 6D5, the Q terminating resistor 6R10 of 6D5, the end of 6R11, the other end of 6R11 meet the R end of 6D5, the end of electric capacity 6C7, the positive pole of 6BG6, another termination V of 6C7 respectively
-End.Acting as of this part circuit: the time of the 3rd pulse delay t9, and when the Q of 6D4 end is " O ", the electric charge of 6C7 is bled off, in the fourth stage trigger circuit of forming by integrated package 6D6, the D end of 6D6 connects the other end of 6R10, the end of electric capacity 6C8, the negative pole of diode 6BG7 respectively, the positive pole of the Q terminating diode 6BG8 of 6D6, the positive pole of 6BG7, acting as of this part circuit: the 4th in the certain hour above pulse done to disturb processing, to decision circuitry output control level.6BG7 is used to provide the DC potential of keeping 6D6D end level.6D3 in the foregoing circuit, the S end of 6D4,6D5,6D6 all is connected on power supply output V
-End, and all select the CD4013D trigger for use.
By integrated package 6D7,6D8, resistance 6R12 and 6BG8 form the output decision circuitry, the Q output terminal of another input termination integrated package 4D1 of 6D7, the end of the output termination 6R12 of 6D7, the negative pole of another termination 6BG8 and the input end of 6D8, the end of the output terminal connecting resistance 6R13 of 6D8.This part circuit function is: by three incoming levels, can judgement make 6D8 be output as " 1 ", thereby make motor rotation.The complex pipe base stage that another termination 6BG9, the 6BG10 of 6R13 forms, the emitter of 6BG10 meets V
-End, the collector of 6BG9,6BG10 connects motor M one end, the end of voltage dependent resistor (VDR) 6R14, another termination power output V of motor M and 6R14
AEnd.This part circuit function is: control level is amplified the rotation of rear drive motor, and 6R14 is a protection device, punctures complex pipe with anti-surge voltage.According to purposes, also motor M can be transformed into other device.
As Fig. 6, in alternating current fire wire series connection switch 9K1 and fuse 9BX1 to transformer TC1 (2) end, (1) end of its TC1, the zero line of the termination alternating current of 9C1, and at (1), (2) two ends and the voltage dependent resistor (VDR) 9R1 of TC1.(2) in primary; (3) or (1); (3) leave several taps (as 5) between the end; its output is through the Chang Kaiyi end of waver 9K3 to switch 9K2-2; another termination potentiometer of 9K2-2 9W1 one stiff end; all the other two termination voltage doubling rectifing circuit input ends of potentiometer; voltage doubling rectifing circuit is (as three multiplication of voltages by 9BG1; 9BG2; 9BG3; 9C1; 9C2; the 9C3 composition) output meets 9R2; the RC filtering circuit that 9C4 forms; its output connects the normally closed contact (1) of automatic protective relay J; (2) end; at the output terminal connecting resistance 9R3 of (1) or (a 2) end; the end of fuse 9BX3; normally closed contact one end of another termination switch 9K2-1 of 9R3, the other end ground connection of 9K2-1.
Low-voltage DC supply (u
1Group) adopt common bridge rectifier, filtering, the three-terminal voltage-stabilizing circuit form, before fuse can be connected on rectification, also can be connected on rectification after, its output terminal is respectively power supply output V
+End and power supply output V
-End.With V
+And V
-Connect the positive-negative power end of amplifier integrated package 10A1 respectively, the two ends of resistance in series 10R1,10R2,10A1 is connected into the form of voltage follower, and its in-phase input end connects the mid point of 10R1,10R2 series connection and the positive pole of electrolysis 10C5, and the negative pole of 10C5 meets V
-End.The output of 10A1 connects the positive pole of electrolysis 10C6, electrostatic screening end and the earth of transformer TC1, and the negative pole of 10C6 meets V
-End.
Low-voltage direct power power supply (u
2) group, adopts common bridge rectifier, filtering circuit, before fuse can be connected on rectification, also can be connected on rectification after, output power supply, the V of its positive voltage for exporting
AEnd, negative voltage termination V
-End.
But the direct current supply (u of applying direct current field voltage
3Group); also adopt bridge rectifier; filtering circuit; before 9BX2 can be connected on rectification; after also can being connected on rectification, hold (3), (4) that are connected in series the protective relay normally closed contact at the positive power source terminal of rectification output, and its output connects the input end of three terminal regulator; the end of the output termination fuse 9BX4 of three terminal regulator, the other end of 9BX4 are power supply output V
CEnd, the negative terminal of voltage output are voltage output V
EEnd is with V
CThe end of terminating resistor 9R4, V
EThe positive pole of termination stabilivolt 9BG4, the negative pole of electrolysis 9C8, the other end of 9R4 connect the negative pole of 9BG4, the positive pole of 9C8, the other end of 9BX3 respectively, and this point is power supply output V
REnd.9R1 is used for overvoltage protection in the circuit; 9K3 is used to adjust sensitivity; 9W1 is used to limit pulse charging current and pressure regulation is used; two groups of normally closed contacts of relay are the safeguard measure of establishing in the circuit; as this machine not as kill mosquito; times spent such as fly; relay can, 9K2-1 uses switch, 9K2-1 and 9K2-2 interlock for discharge; 9R4; 9BG4; 9C8 forms general mu balanced circuit, 10R1; 10R2; 10C5; 10A1; 10C6 forms DC voltage and follows output circuit, and it provides solid on the one hand; decide direct current output; its output terminal also can be accepted the inflow of certain electric current simultaneously, and output voltage is constant, to satisfy the demand of circuit.Whole power unit can be used switching power circuit.
Principle of work of the present invention with process is: the parallel discharging of the metal line of induction (device) of naked that put and external insulation, to respond to common undesired signal, under the condition of extra electric field, the naked metal line of induction of putting (device) is equivalent to an electrode, in air, the charged particle group time is arranged when between the electrode at extra electric field, just carry out elastic collision and inelastic collision repeatedly between these charged particles and the gas molecule, by exciting, ionization generates new charged particle.On the one hand, owing to the effect that charged particle is mutual spread, compound etc., also be accompanied by charged particle simultaneously and disappear.On the other hand, because the existence of electric field, charged particle just has directed flow, and forms the variation of electric weight, and its taking-up is the signal that convection current changes.
Because in one group of pre-amplification circuit, the amplification polarity of two amplifiers is opposite, and one the tunnel have the convection current signal, and another road does not have, and after synthesizing, can take out the convection current signal, and suppress a part of undesired signal.
In circuit, adding voltage of electric field by supply voltage is in order to improve the kinetic energy of electron collision, to improve the sensitivity of circuit.
Apparatus of the present invention are multi-functional complete machines, if this complete machine is only done the simple function time spent, the circuit irrelevant with this function can save; When tested convection signal is enough big, voltage of electric field can reduce until need not, at extra electric field voltage time spent not, voltage V
RCan directly connect between end and the ground, signal can directly be exported with the RC which couple from the output terminal of common mode inhibition, differential mode amplifying circuit; In the very little place of undesired signal, the external insulation line of induction (device) B
1-B
nAnd the back amplifying circuit can save; Signal integrated processing circuit output can connect various waveforms (signal) display or give other processing of circuit when needing; The output of humidity adjustment circuit can be used as the reference value of atmospheric humidity.
Be example now, the course of work of the present invention is described to kill mouse.With metal line of induction A
1-A
nRoot is naked to be placed in the air, the signal of induction mouse, the parallel placement in next door B
1-B
nThe root external insulation metal line of induction, induced interference signal, behind preposition amplification, synthetic, common mode inhibition, differential mode amplification, output, coupled circuit, the mouse signal that output is detected.Carry out the A/D conversion to the A/D change-over circuit after the signal of coupling input send voltage follow, 50HZ trap, amplification, the pulse signal after the conversion can trigger trigger control circuit.Trigger control circuit is except that control certain delay time and rapid discharge, control Driver Circuit also, the output of driving circuit are being controlled electromagnet or other electromechanics (circuit) device, and the mouse signal is once after being detected, electromagnet is finished the one-time mechanical action promptly by adhesive.On the movable guard of an iron net system, install this electromagnet, electromagnet one adhesive can fall guard, mouse is captured, and can put to death immediately, finishes the mouse process of once killing automatically.As needs, also can when killing mouse, send alarm simultaneously, also can automatically guard be resetted after finishing killing mouse, as the scope that kills mouse can kill mouse the output control high-tension circuit of trigger circuit greatly with high-tension electricity.In the foregoing circuit course of work, also have humidity adjustment, anti-jamming circuit adjusting, controlling partial circuit automatically, make complete machine energy operate as normal.
According to above-mentioned same principle, aspects such as apparatus of the present invention also can be used for eliminating the four pests--rats, bedbugs, flies and mosquitoes, earthquake prediction.
Advantage of the present invention is: adopt a kind of new method and its electronic circuit first, detect the convection current signal, and utilize this signal to finish several application functions.With the method that detects the convection current signal, go the technical solution problem, mean a kind of new detection signal way, new technical scheme produces.This will make over and manyly can't solve or with the technical matters that other method be difficult to solve and some have solved in the past, a new solution has been arranged, new technical measures again.The great change that this can provide the new way of technical solution problem and old technical scheme be carried out revolutionary reform many Division Of Applied Technology goalkeepers undoubtedly.
But apparatus of the present invention have reliability height, working stability, wide application, characteristics such as circuit is simple, price is low, a tractor serves several purposes easy and simple to handle.Its some function has solved a unsolved over a long period of time difficult problem.As: as earthquake, when the house rocks alarm, depolarization a few studies department has outside the special-purpose earthquake measurement mechanism now, and general unit and family also do not have such device, and these devices cost an arm and a leg, complicated operation, generally the unit of being difficult to and family accept.Apparatus of the present invention then can overcome these problems, and can with the shared main frame of functional device such as the four pests of going out, thereby for general unit and family anti-earthquake, earth subsidence, caving in provides a kind of panalarm of cheapness.
When killing mouse, it can detect the trace of mouse, its detection signal distance, and the scope that kills mouse is big, and is no ageing, can fast automaticly kill mouse.
In burglar alarm, strick precaution warning, aspects such as safety in production, the present invention is well suited for a specific region, and the bigger occasion of environmental interference.This is the occasion that showpiece, sales counter, safety cabinet etc. are located, personnel's dealing is many, provides a kind of antijamming capability strong, alarm that regional boundary line is fairly obvious or controller.Antitheft at family expenses, report to the police, it can with the device that wipes out the flies and mosquitoes a shared cover test section, thereby reduced the cost of burglary-resisting installation, and effect is fine.
Aspect eliminating, stopping all kinds of flying insects, to wipe out the flies and mosquitoes is example: the present invention can eliminate automatically, stop and fly to indoor mosquitos and flies, and day and night treatment effect is all the same, it can not influence original indoor ventilation and printing opacity basically, and smokeless, odorlessness, need not to spray medicine, but generally be not afraid of characteristics such as wind long-term work, simultaneously this also is in existing other various flying insect methods such as wipe out the flies and mosquitoes, not available remarkable advantage.
Claims (4)
1, a kind of detection method of convection current, it is characterized in that: with direct naked being placed in the air of the some metal lines of induction (device), detect itself and air generation convection current and change the signal voltage that is produced, parallel successively to be placed on the naked line of induction (device) of putting other with the metal line of induction (device) of some external insulations simultaneously, respond to aerial undesired signal, all connect a prime amplifier device at each line of induction (device) end, and this part is placed in the radome, prime amplifier is subjected to the wet control of adjusting circuit that waits.The output feed signals of prime amplifier is synthetic, and common mode inhibition, differential mode amplify, output circuit is handled, and disturbs to eliminate part, obtains needing to detect the convection current signal.Above-mentioned each part all can add voltage of electric field through power supply.This signal send after coupling and follows, the processing of trap, amplification (or increasing absolute value) circuit, takes out low frequency signal voltage.Also to amplify (or using other filtering circuit) to littler signal, amplify and the absolute value circuit processing, obtain small signal through the compensation differential.These two kinds of signal voltages remove to control the electromechanics that is connected, electroacoustic equal controller or other device through the processing of circuit such as A/D conversion and triggering, time-delay, anti-interference, controlled oscillation, audio frequency output.
2, a kind of pick-up unit of convection current is characterized in that at each exposed line of induction (device) A
1-A
nThe external insulation line of induction (device) B with the parallel placement of a side
1-B
nConnect anti-phase each other prime amplifier respectively, and this part is placed in the radome.Each exposed and two lines of induction of another external insulation and the anti-phase each other prime amplifier that connects separately are one group of pre-amplification circuit.The output of arbitrary group of pre-amplification circuit is connect the input end that humidity is adjusted circuit, and the output of humidity adjustment circuit connects the control of Electric potentials end of each road prime amplifier.Each is organized the output of pre-amplification circuit and gives each signal synthesis circuit respectively, export to common mode inhibition, differential mode amplifying circuit after synthetic, and by the output circuit output signal, its output feed signals overall treatment circuit after being coupled, the output of signal integrated processing circuit, one the tunnel connects low frequency signal A/D conversion and control and treatment circuit, and another road connects small-signal A/D conversion and control and treatment circuit.A road of low frequency signal A/D conversion and control and treatment circuit outputs to controlled oscillator and audio output circuit, and another road outputs to electromagnet or other electromechanical assembly of the various mechanical actions of control, also may command circuit arrangement.The output of small-signal A/D conversion and control and treatment circuit connects motor or other electromechanical assembly, and the control end of controlled oscillator and small-signal A/D conversion and control and treatment circuit connects the output terminal of anti-jamming circuit respectively.The input termination power supply of anti-jamming circuit.Power unit also provides the voltage of electric field of extra electric field except that to full machine power supply.
By the pick-up unit of the described convection current of claim 2, it is characterized in that when complete machine is only done simple function that 3, the circuit irrelevant with this function can save; When tested convection signal is enough big, voltage of electric field can reduce until need not, at extra electric field voltage time spent not, voltage V
RCan directly connect between end and the ground, signal can directly be exported with the RC which couple with the output terminal of common mode inhibition, differential mode amplifying circuit; In the very little place of undesired signal, the external insulation line of induction (device) B
1-B
nAnd the back amplifying circuit can save; Signal integrated processing circuit output can connect various waveforms (signal) display or give other processing of circuit when needing; The output of humidity adjustment circuit can be used as the reference value of atmospheric humidity.
4, by the pick-up unit of the described convection of claim 2, it is characterized in that: the littler signal Processing filtering circuit of available other form also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108134 CN1069343A (en) | 1991-08-08 | 1991-08-08 | The detection method of convection current and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91108134 CN1069343A (en) | 1991-08-08 | 1991-08-08 | The detection method of convection current and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1069343A true CN1069343A (en) | 1993-02-24 |
Family
ID=4909057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91108134 Pending CN1069343A (en) | 1991-08-08 | 1991-08-08 | The detection method of convection current and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1069343A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397773C (en) * | 2003-01-15 | 2008-06-25 | 西门子公司 | Method for reducing common-mode interference currents in an electric drive system, and corresponding electric drive system |
| CN105550055A (en) * | 2015-12-09 | 2016-05-04 | 浪潮电子信息产业股份有限公司 | Disk power supply circuit protection and alarm method |
-
1991
- 1991-08-08 CN CN 91108134 patent/CN1069343A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397773C (en) * | 2003-01-15 | 2008-06-25 | 西门子公司 | Method for reducing common-mode interference currents in an electric drive system, and corresponding electric drive system |
| CN105550055A (en) * | 2015-12-09 | 2016-05-04 | 浪潮电子信息产业股份有限公司 | Disk power supply circuit protection and alarm method |
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