CN209387821U - A kind of pulsed signal processor - Google Patents
A kind of pulsed signal processor Download PDFInfo
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- CN209387821U CN209387821U CN201821988223.3U CN201821988223U CN209387821U CN 209387821 U CN209387821 U CN 209387821U CN 201821988223 U CN201821988223 U CN 201821988223U CN 209387821 U CN209387821 U CN 209387821U
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Abstract
The utility model relates to the technical fields of switching characteristic detection, more specifically, it is related to a kind of pulsed signal processor, including power module, pre-amplification circuit for the preposition amplification of small signal, signal conversion circuit for the RC frequency selection circuit of frequency-selecting and for converting received inductive impulse signal to switching signal, pre-amplification circuit, RC frequency selection circuit and signal conversion circuit are connect with power module, the output end of pre-amplification circuit is electrically connected to the input terminal of RC frequency selection circuit, the output end of RC frequency selection circuit is electrically connected to the input terminal of signal conversion circuit.When the utility model is tested, the division status signal of breaker is converted to height level electrical signal through pre-amplification circuit, RC frequency selection circuit, the amplification of signal conversion circuit multistage, frequency-selecting, frequency discrimination, can be used with traditional switching characteristic tester by suitable interface connecting line；Strong antijamming capability, small in size, expense is low, has good practicability.
Description
Technical field
The utility model relates to the technical fields of switching characteristic detection, at a kind of pulsed signal
Manage device.
Background technique
The test method of the switching on and off time of breaker is measured in breaker two sides earth at present generally with electromagnetic induction
For basic principle, i.e., breaker, cable, earth mat and two earthing switches are formed flow body, the open and close of the flow body
The divide-shut brake of corresponding breaker.When the flow body applies alternation induced electromotive force, then through-flow body forms closure to breaker closing
Circuit hangs over the current transformer on through-flow body then and will receive the alternation inductive signal of application, analyzes the induced electricity by processing
The presence or absence of stream determines conjunction isloation state when open circuit.Has the signal processor anti-interference ability for handling above-mentioned sensor current signal
Difference does not have frequency-selecting, frequency discrimination, and distorted signals is serious, and cannot directly access the use of traditional switch characteristic tester.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of pulsed signal processor, tool
There is the high-frequency pulse signal processor of frequency-selecting, frequency discrimination, multistage amplification, and can directly make with the cooperation of traditional switch characteristic tester
With.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of pulsed signal processor is provided, including power module, for the preposition amplification of the preposition amplification of small signal
Circuit, the signal transformation for the RC frequency selection circuit of frequency-selecting and for converting received inductive impulse signal to switching signal
Circuit, the pre-amplification circuit, RC frequency selection circuit and signal conversion circuit are connect with power module, the preposition amplification
The output end of circuit is electrically connected to the input terminal of RC frequency selection circuit, and the output end of the RC frequency selection circuit is electrically connected to signal transformation
The input terminal of circuit.
The Weak pulse signal that the utility model receives is input to the input terminal of pre-amplification circuit, puts by primary
Greatly；It is input to RC frequency selection circuit through the amplified signal of pre-amplification circuit, the selection of RC frequency selection circuit is identical as signal driving source
Centre frequency, remove interference signal；Signal through frequency-selecting amplifies using rear class, can be with by suitable interface connecting line
Traditional switching characteristic tester uses.
Further, the pre-amplification circuit is in-phase amplification circuit.In-phase amplification circuit, high with input resistance,
The small feature of output resistance is suitable for the preposition amplification of small signal.
Further, the in-phase amplification circuit includes the first amplifier, resistance R1, slide rheostat RJ1:
Input terminal of the noninverting input of first amplifier as pulsed signal processor；
The reverse input end of first amplifier is connect with one end of resistance R1, the other end ground connection of resistance R1；
One end of the resistance R1 is connect with the fixing end of slide rheostat RJ1；One end of the resistance R1 also with sliding
The sliding end of rheostat RJ1 connects；
Another fixing end of the slide rheostat RJ1 is connect with the output end of the first amplifier；
The output end of first amplifier is connect with the input terminal of RC frequency selection circuit.
Preferably, first Amplifier Model is TL082CDT.
Further, the RC frequency selection circuit includes the second amplifier, resistance R2, resistance R3, resistance R4, resistance R5, electricity
Hinder R6, capacitor C1, capacitor C2 and capacitor C3:
The reverse input end of second amplifier is connect with one end of capacitor C2, and the other end of capacitor C2 is with resistance R2's
One end connection, the other end of the resistance R2 and the output end of pre-amplification circuit connect；
One end of the capacitor C2 is connect with one end of resistance R6, and the other end of the resistance R6 is defeated with the second amplifier
Outlet connection, the other end of the resistance R6 are also connect with the other end of capacitor C1；
The other end of the capacitor C2 is connect with one end of capacitor C1, one end of the resistance R2 and one end of capacitor C1
Connection；
The other end of the capacitor C2 is connect with one end of resistance R3, the other end ground connection of the resistance R3；The resistance
One end of R3 is connect with one end of capacitor C1, and one end of the resistance R3 is also connect with one end of resistance R2；
The noninverting input of second amplifier is connect with one end of resistance R4, the other end ground connection of the resistance R4；
The other end of the resistance R4 is connect with the other end of resistance R3；
One end of the resistance R4 is connect with one end of resistance R5, the other end of the resistance R5 and one end of capacitor C3
Connection, the other end ground connection of the capacitor C3；
The other end of the capacitor R5 connects to power supply；
The output end of second amplifier and the input terminal of signal conversion circuit connect.
RC frequency-selecting amplifier section is made of unlimited gain multiple feedback second order band acceptor, by selecting suitable RC member
Part makes the frequency selection circuit have small in size, at low cost, the good advantage of selecting frequency characteristic.
Further, the signal conversion circuit includes third amplifier, resistance R7, resistance R8, resistance R9, resistance
R10, resistance R11, resistance R12, resistance R13, resistance R14, capacitor C4, capacitor C5, capacitor C6, capacitor C7, diode D1, two poles
Pipe D2, diode D3, diode D4, diode D5, diode D6, diode D7, transformer, triode Q1, triode Q2 with
And voltage-stablizer:
The noninverting input of the third amplifier is connect with one end of resistance R7, the other end and capacitor of the resistance R7
One end of C4 connects, input terminal of the other end of the capacitor C4 as signal conversion circuit；
The reverse input end of the third amplifier is connect with one end of resistance R8, the other end ground connection of the resistance R8；
One end of the resistance R8 is connect with one end of resistance R9, the other end of the resistance R9 and the third amplifier
Output end connection；
The output end of the third amplifier is connected to one end of transformer primary side, the transformer primary side it is another
End is connect with one end of capacitor C5, the other end ground connection of the capacitor C5；
One end of the Circuit Fault on Secondary Transformer is connect with the cathode of diode D2, the anode and diode of the diode D2
The anode connection of D1, the cathode of the diode D1 and the other end of Circuit Fault on Secondary Transformer connect；
One end of the Circuit Fault on Secondary Transformer is connect with the anode of diode D3, the cathode and diode of the diode D3
The cathode of D4 connects, and the anode of the diode D4 is connect with the other end of Circuit Fault on Secondary Transformer；
The cathode of the diode D2 is connect with the anode of diode D3, and the anode of the diode D4 is with diode D1's
Cathode connection；
The anode of the diode D1, the anode of diode D2 are connected to one end of resistance R10, and the diode D3's is negative
Pole, diode D4 cathode be connected to the other end of resistance R10；
One end of the resistance R10 is connected to one end of capacitor C6, and the other end of the resistance R10 is connected to capacitor C6's
The other end；
One end of the capacitor C6 is connected to the collector of the triode Q1, the grounded collector of the triode Q1；
The other end of the capacitor C6 is connected to the base stage of the triode Q1；
The other end of the capacitor C6 is connected to the anode of diode D5, and the cathode of the diode D5 is connected to described three
The emitter of pole pipe Q1；
The anode of the diode D5 is connected to the base stage of the triode Q1；
The emitter of the triode Q1 is connected to the cathode of diode D6, and the anode of the diode D6 is connected to resistance
One end of R11, the other end of the resistance R11 are connected to one end of resistance R13, and the other end of the resistance R13 is connected to institute
State the collector of triode Q1；
The emitter of the triode Q1 is connected to one end of resistance R12, and the other end of the resistance R12 is connected to resistance
One end of R13；
The cathode of the diode D5 is connect with the cathode of diode D6, the cathode of the diode D5 also with resistance R12
One end connection；
One end of the resistance R12 is connect with the cathode of diode D6, and the other end of the resistance R12 is with resistance R11's
Other end connection；
One end of the resistance R13 is connect with one end of capacitor C7, and the other end of the capacitor C7 is another with resistance R13's
One end connection；
One end of the capacitor C7 is connected to the output end of voltage-stablizer, and the other end of the capacitor C7 is connected to voltage-stablizer
Input terminal；
The output end of the voltage-stablizer is connected to one end of resistance R14, and the input terminal of voltage-stablizer is connected to resistance R14's
The other end；
One end of the resistance R14 is connect with diode D7 anode, the other end of the resistance R14 and bearing for diode D7
Pole connection；
The diode D7 is connect with triode Q2 photoelectricity；
Output end of the emitter as signal conversion circuit of the collector of the triode Q2, triode Q2.
Signal conversion section is by in-phase amplification circuit, high frequency transformer, full bridge rectifier, photoelectric coupling isolation circuit group
At the inductive impulse signal processing received is switching signal, this switching signal simultaneous reactions breaker switching on and off by the circuit
State can be connected directly with traditional switch characteristic test and be used.
Compared with prior art, the utility model has the beneficial effects that
The pulsed signal processor of the utility model, the division status signal of breaker is through pre-amplification circuit, RC
Frequency selection circuit, the amplification of signal conversion circuit multistage, frequency-selecting, frequency discrimination are converted to height level electrical signal, are connected by suitable interface
Line can be used with traditional switching characteristic tester；The utility model strong antijamming capability, small in size, expense is low, has very
Good practicability.
Detailed description of the invention
Fig. 1 is the electrical schematic diagram of the pulsed signal processor of the utility model.
Fig. 2 is the circuit diagram of the pre-amplification circuit of pulsed signal processor.
Fig. 3 is the circuit diagram of the RC frequency selection circuit of pulsed signal processor.
Fig. 4 is the circuit diagram of the signal conversion circuit of pulsed signal processor.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment one
It is as shown in Figures 1 to 4 the embodiment of the pulsed signal processor of the utility model, including power module,
Pre-amplification circuit for the preposition amplification of small signal, the RC frequency selection circuit for frequency-selecting and for by received inductive impulse
Signal is converted into the signal conversion circuit of switching signal, pre-amplification circuit, RC frequency selection circuit and signal conversion circuit with
Power module connection, the output end of pre-amplification circuit are electrically connected to the input terminal of RC frequency selection circuit, the output of RC frequency selection circuit
End is electrically connected to the input terminal of signal conversion circuit.
As shown in Fig. 2, the pre-amplification circuit of the present embodiment is in-phase amplification circuit, there is input resistance height, output electricity
Small feature is hindered, the preposition amplification of small signal is suitable for.Specifically, in-phase amplification circuit includes the first amplifier, resistance R1, cunning
Dynamic rheostat RJ1:
Input terminal of the noninverting input of first amplifier as pulsed signal processor；
The reverse input end of first amplifier is connect with one end of resistance R1, the other end ground connection of resistance R1；
One end of resistance R1 is connect with the fixing end of slide rheostat RJ1；One end of resistance R1 also with slide rheostat RJ1
Sliding end connection；
Another fixing end of slide rheostat RJ1 is connect with the output end of the first amplifier；
The output end of first amplifier is connect with the input terminal of RC frequency selection circuit.
As shown in figure 3, in-phase amplification circuit includes the first amplifier, resistance R1, slide rheostat RJ1:
Input terminal of the noninverting input of first amplifier as pulsed signal processor；
The reverse input end of first amplifier is connect with one end of resistance R1, the other end ground connection of resistance R1；
One end of resistance R1 is connect with the fixing end of slide rheostat RJ1；One end of resistance R1 also with slide rheostat RJ1
Sliding end connection；
Another fixing end of slide rheostat RJ1 is connect with the output end of the first amplifier；
The output end of first amplifier is connect with the input terminal of RC frequency selection circuit.
In the present embodiment, the first Amplifier Model is TL082CDT.
As shown in figure 3, RC frequency selection circuit includes the second amplifier, resistance R2, resistance R3, resistance R4, resistance R5, resistance
R6, capacitor C1, capacitor C2 and capacitor C3:
The reverse input end of second amplifier is connect with one end of capacitor C2, the other end of capacitor C2 and the one of resistance R2
End connection, the other end of resistance R2 and the output end of pre-amplification circuit connect；
One end of capacitor C2 is connect with one end of resistance R6, and the output end of the other end of resistance R6 and the second amplifier connects
It connects, the other end of resistance R6 is also connect with the other end of capacitor C1；
The other end of capacitor C2 is connect with one end of capacitor C1, and one end of resistance R2 is connect with one end of capacitor C1；
The other end of capacitor C2 is connect with one end of resistance R3, the other end ground connection of resistance R3；One end of resistance R3 and electricity
Hold one end connection of C1, one end of resistance R3 is also connect with one end of resistance R2；
The noninverting input of second amplifier is connect with one end of resistance R4, the other end ground connection of resistance R4；Resistance R4's
The other end is connect with the other end of resistance R3；
One end of resistance R4 is connect with one end of resistance R5, and the other end of resistance R5 is connect with one end of capacitor C3, capacitor
The other end of C3 is grounded；
The other end of capacitor R5 connects to power supply；
The output end of second amplifier and the input terminal of signal conversion circuit connect.
RC frequency-selecting amplifier section is made of unlimited gain multiple feedback second order band acceptor, by selecting suitable RC member
Part makes the frequency selection circuit have small in size, at low cost, the good advantage of selecting frequency characteristic.
As shown in figure 4, signal conversion circuit includes third amplifier, resistance R7, resistance R8, resistance R9, resistance R10, electricity
Hinder R11, resistance R12, resistance R13, resistance R14, capacitor C4, capacitor C5, capacitor C6, capacitor C7, diode D1, diode D2,
Diode D3, diode D4, diode D5, diode D6, diode D7, transformer, triode Q1, triode Q2 and pressure stabilizing
Device:
The noninverting input of third amplifier is connect with one end of resistance R7, the other end of resistance R7 and the one of capacitor C4
End connection, input terminal of the other end of capacitor C4 as signal conversion circuit；
The reverse input end of third amplifier is connect with one end of resistance R8, the other end ground connection of resistance R8；
One end of resistance R8 is connect with one end of resistance R9, and the other end of resistance R9 and the output end of third amplifier connect
It connects；
The output end of third amplifier is connected to one end of transformer primary side, the other end and capacitor of transformer primary side
One end of C5 connects, the other end ground connection of capacitor C5；
One end of Circuit Fault on Secondary Transformer is connect with the cathode of diode D2, and the anode and diode D1 of diode D2 is just
Pole connection, the cathode of diode D1 and the other end of Circuit Fault on Secondary Transformer connect；
One end of Circuit Fault on Secondary Transformer is connect with the anode of diode D3, the cathode of diode D3 and bearing for diode D4
The anode of pole connection, diode D4 is connect with the other end of Circuit Fault on Secondary Transformer；
The cathode of diode D2 is connect with the anode of diode D3, and the anode of diode D4 connects with the cathode of diode D1
It connects；
The anode of diode D1, the anode of diode D2 are connected to one end of resistance R10, the cathode of diode D3, two poles
The cathode of pipe D4 is connected to the other end of resistance R10；
One end of resistance R10 is connected to one end of capacitor C6, and the other end of resistance R10 is connected to the other end of capacitor C6；
One end of capacitor C6 is connected to the collector of triode Q1, the grounded collector of triode Q1；
The other end of capacitor C6 is connected to the base stage of triode Q1；
The other end of capacitor C6 is connected to the anode of diode D5, and the cathode of diode D5 is connected to the hair of triode Q1
Emitter-base bandgap grading；
The anode of diode D5 is connected to the base stage of triode Q1；
The emitter of triode Q1 is connected to the cathode of diode D6, and the anode of diode D6 is connected to the one of resistance R11
End, the other end of resistance R11 are connected to one end of resistance R13, and the other end of resistance R13 is connected to the collector of triode Q1；
The emitter of triode Q1 is connected to one end of resistance R12, and the other end of resistance R12 is connected to the one of resistance R13
End；
The cathode of diode D5 is connect with the cathode of diode D6, and the cathode of diode D5 also connects with one end of resistance R12
It connects；
One end of resistance R12 is connect with the cathode of diode D6, and the other end of resistance R12 and the other end of resistance R11 connect
It connects；
One end of resistance R13 is connect with one end of capacitor C7, and the other end of capacitor C7 is connect with the other end of resistance R13；
One end of capacitor C7 is connected to the output end of voltage-stablizer, and the other end of capacitor C7 is connected to the input terminal of voltage-stablizer；
The output end of voltage-stablizer is connected to one end of resistance R14, and the input terminal of voltage-stablizer is connected to the another of resistance R14
End；
One end of resistance R14 is connect with diode D7 anode, and the other end of resistance R14 is connect with the cathode of diode D7；
Diode D7 is connect with triode Q2 photoelectricity；
Output end of the emitter as signal conversion circuit of the collector of triode Q2, triode Q2.
Signal conversion section is by in-phase amplification circuit, high frequency transformer, full bridge rectifier, photoelectric coupling isolation circuit group
At the inductive impulse signal processing received is switching signal, this switching signal simultaneous reactions breaker switching on and off by the circuit
State can be connected directly with traditional switch characteristic test and be used.
For the present embodiment when implementing, the Weak pulse signal that induction coil receives is input to the same of pre-amplification circuit
Phase input terminal amplifies by primary, can realize amplification factor by changing potentiometer resistance；After pre-amplification circuit amplifies
Signal, be input to unlimited gain multiple feedback second order band acceptor, set corresponding RC component parameters, selection and signal
The identical centre frequency of driving source removes interference signal；The signal come out through frequency-selecting amplifies using rear class, through high frequency transformer
With rectifier diode dress signal rectification at high LOW signal and after Phototube Coupling, which is also point of breaker
Conjunction state signal can be used by suitable interface connecting line with traditional switching characteristic tester.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (6)
1. a kind of pulsed signal processor, which is characterized in that including power module, for the preposition of the preposition amplification of small signal
Amplifying circuit, the signal for the RC frequency selection circuit of frequency-selecting and for converting received inductive impulse signal to switching signal
Translation circuit, the pre-amplification circuit, RC frequency selection circuit and signal conversion circuit are connect with power module, described preposition
The output end of amplifying circuit is electrically connected to the input terminal of RC frequency selection circuit, and the output end of the RC frequency selection circuit is electrically connected to signal
The input terminal of translation circuit.
2. pulsed signal processor according to claim 1, which is characterized in that the pre-amplification circuit is same phase
Amplifying circuit.
3. pulsed signal processor according to claim 2, which is characterized in that the in-phase amplification circuit includes the
One amplifier, resistance R1, slide rheostat RJ1:
Input terminal of the noninverting input of first amplifier as pulsed signal processor；
The reverse input end of first amplifier is connect with one end of resistance R1, the other end ground connection of resistance R1；
One end of the resistance R1 is connect with the fixing end of slide rheostat RJ1；One end of the resistance R1 also with sliding variable resistance
The sliding end of device RJ1 connects；
Another fixing end of the slide rheostat RJ1 is connect with the output end of the first amplifier；
The output end of first amplifier is connect with the input terminal of RC frequency selection circuit.
4. pulsed signal processor according to claim 3, which is characterized in that first Amplifier Model is
TL082CDT。
5. pulsed signal processor according to claim 1, which is characterized in that the RC frequency selection circuit includes second
Amplifier, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, capacitor C1, capacitor C2 and capacitor C3:
The reverse input end of second amplifier is connect with one end of capacitor C2, the other end of capacitor C2 and one end of resistance R2
Connection, the other end of the resistance R2 and the output end of pre-amplification circuit connect；
One end of the capacitor C2 is connect with one end of resistance R6, the other end of the resistance R6 and the output end of the second amplifier
Connection, the other end of the resistance R6 are also connect with the other end of capacitor C1；
The other end of the capacitor C2 is connect with one end of capacitor C1, and one end of the resistance R2 is connect with one end of capacitor C1；
The other end of the capacitor C2 is connect with one end of resistance R3, the other end ground connection of the resistance R3；The resistance R3's
One end is connect with one end of capacitor C1, and one end of the resistance R3 is also connect with one end of resistance R2；
The noninverting input of second amplifier is connect with one end of resistance R4, the other end ground connection of the resistance R4；It is described
The other end of resistance R4 is connect with the other end of resistance R3；
One end of the resistance R4 is connect with one end of resistance R5, and the other end of the resistance R5 is connect with one end of capacitor C3,
The other end of the capacitor C3 is grounded；
The other end of the capacitor R5 connects to power supply；
The output end of second amplifier and the input terminal of signal conversion circuit connect.
6. pulsed signal processor according to any one of claims 1 to 5, which is characterized in that the signal transformation
Circuit includes third amplifier, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance
R14, capacitor C4, capacitor C5, capacitor C6, capacitor C7, diode D1, diode D2, diode D3, diode D4, diode D5,
Diode D6, diode D7, transformer, triode Q1, triode Q2 and voltage-stablizer:
The noninverting input of the third amplifier is connect with one end of resistance R7, and the other end of the resistance R7 is with capacitor C4's
One end connection, input terminal of the other end of the capacitor C4 as signal conversion circuit；
The reverse input end of the third amplifier is connect with one end of resistance R8, the other end ground connection of the resistance R8；
One end of the resistance R8 is connect with one end of resistance R9, and the other end of the resistance R9 is defeated with the third amplifier
Outlet connection；
The output end of the third amplifier is connected to one end of transformer primary side, the other end of the transformer primary side with
One end of capacitor C5 connects, the other end ground connection of the capacitor C5；
One end of the Circuit Fault on Secondary Transformer is connect with the cathode of diode D2, and the anode of the diode D2 is with diode D1's
Anode connection, the cathode of the diode D1 and the other end of Circuit Fault on Secondary Transformer connect；
One end of the Circuit Fault on Secondary Transformer is connect with the anode of diode D3, and the cathode of the diode D3 is with diode D4's
The anode of cathode connection, the diode D4 is connect with the other end of Circuit Fault on Secondary Transformer；
The cathode of the diode D2 is connect with the anode of diode D3, the cathode of the anode and diode D1 of the diode D4
Connection；
The anode of the diode D1, the anode of diode D2 are connected to one end of resistance R10, the cathode of the diode D3,
The cathode of diode D4 is connected to the other end of resistance R10；
One end of the resistance R10 is connected to one end of capacitor C6, and the other end of the resistance R10 is connected to the another of capacitor C6
End；
One end of the capacitor C6 is connected to the collector of the triode Q1, the grounded collector of the triode Q1；
The other end of the capacitor C6 is connected to the base stage of the triode Q1；
The other end of the capacitor C6 is connected to the anode of diode D5, and the cathode of the diode D5 is connected to the triode
The emitter of Q1；
The anode of the diode D5 is connected to the base stage of the triode Q1；
The emitter of the triode Q1 is connected to the cathode of diode D6, and the anode of the diode D6 is connected to resistance R11
One end, the other end of the resistance R11 is connected to one end of resistance R13, and the other end of the resistance R13 is connected to described three
The collector of pole pipe Q1；
The emitter of the triode Q1 is connected to one end of resistance R12, and the other end of the resistance R12 is connected to resistance R13
One end；
The cathode of the diode D5 is connect with the cathode of diode D6, the cathode of the diode D5 also with resistance R12 one
End connection；
One end of the resistance R12 is connect with the cathode of diode D6, and the other end of the resistance R12 is another with resistance R11's
End connection；
One end of the resistance R13 is connect with one end of capacitor C7, and the other end of the capacitor C7 and the other end of resistance R13 connect
It connects；
One end of the capacitor C7 is connected to the output end of voltage-stablizer, and the other end of the capacitor C7 is connected to the input of voltage-stablizer
End；
The output end of the voltage-stablizer is connected to one end of resistance R14, and the input terminal of voltage-stablizer is connected to the another of resistance R14
End；
One end of the resistance R14 is connect with diode D7 anode, and the other end of the resistance R14 and the cathode of diode D7 connect
It connects；
The diode D7 is connect with triode Q2 photoelectricity；
Output end of the emitter as signal conversion circuit of the collector of the triode Q2, triode Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821988223.3U CN209387821U (en) | 2018-11-29 | 2018-11-29 | A kind of pulsed signal processor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821988223.3U CN209387821U (en) | 2018-11-29 | 2018-11-29 | A kind of pulsed signal processor |
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| CN209387821U true CN209387821U (en) | 2019-09-13 |
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| CN201821988223.3U Active CN209387821U (en) | 2018-11-29 | 2018-11-29 | A kind of pulsed signal processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740726A (en) * | 2021-09-13 | 2021-12-03 | 广东电网有限责任公司 | Instrument for testing characteristics of multi-break circuit breaker and wiring method |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740726A (en) * | 2021-09-13 | 2021-12-03 | 广东电网有限责任公司 | Instrument for testing characteristics of multi-break circuit breaker and wiring method |
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