CN209372954U - A kind of electric automatization sets non-firm power detection device - Google Patents
A kind of electric automatization sets non-firm power detection device Download PDFInfo
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- CN209372954U CN209372954U CN201821698148.7U CN201821698148U CN209372954U CN 209372954 U CN209372954 U CN 209372954U CN 201821698148 U CN201821698148 U CN 201821698148U CN 209372954 U CN209372954 U CN 209372954U
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Abstract
The utility model discloses a kind of electric automatizations to set non-firm power detection device, including signal receiving circuit, feed back comparison circuit and frequency-selecting output circuit, the signal receiving circuit detects the motor operating power signal of electric automatization low-voltage equipment with model AD8318 power detector J1, the modulation circuit that the feedback comparison circuit is formed with transport and placing device AR1 and variable resistance R5 is to signal receiving circuit output signal amplitude modulation, transport and placing device AR2 is devised with phase amplified signal simultaneously, most play the role of comparator through transport and placing device AR3 afterwards, to transport and placing device AR1, transport and placing device AR2 output signal inputs in frequency-selecting output circuit after comparing processing, the frequency-selecting output circuit filters out single-frequency with double T frequency selection circuits that resistance R10- resistance R12 and capacitor C5- capacitor C7 is formed In signal input signal transmitter E1, can real-time detection electric automatization low-voltage equipment motor operating power be sent in electric automatization low-voltage equipment controlling terminal in time and to signal calibration.
Description
Technical field
The utility model relates to field of circuit technology, set non-firm power detection dress more particularly to a kind of electric automatization
It sets.
Background technique
Electric automatization belongs to manufacture major class, and equipment manufacture is provided for national economy and national defense construction
Basic, the strategic industry of technical equipment.With the rapid development of our country's economy, the extensive use of electrical equipment is modernized,
Industrial the degree of automation is higher and higher, and industrial electric automation has become the basic and leading of development of modern industry,
Middle electric automatization low-voltage equipment is important a part, largely effects on our life, and electric automatization low-voltage equipment
In medium scale factory, the thing of electric automatization low-voltage equipment operating power signal can not be detected directly,
It is that cannot monitor electric automatization low-voltage equipment operating power in real time.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Utility model content
For above situation, for the defect for overcoming the prior art, the utility model is designed to provide one kind electrically certainly
Dynamicization sets non-firm power detection device, have be skillfully constructed, the characteristic of human oriented design, can real-time detection electric automatization it is low
Equipment motor operating power is pressed, and to signal calibration, is sent in electric automatization low-voltage equipment controlling terminal in time.
Its technical solution solved is, a kind of electric automatization sets non-firm power detection device, including signal receiving circuit,
Comparison circuit and frequency-selecting output circuit are fed back, the signal receiving circuit is with model AD8318 power detector J1 detection electricity
Gas automates the motor operating power signal of low-voltage equipment, the π type filter circuit formed with inductance L1 and capacitor C1, capacitor C2
Filtering, the modulation circuit that the feedback comparison circuit is formed with transport and placing device AR1 and variable resistance R5 are defeated to signal receiving circuit
Signal amplitude modulation out, while transport and placing device AR2 is devised with phase amplified signal, most play the role of comparator through transport and placing device AR3 afterwards, it is right
Transport and placing device AR1, transport and placing device AR2 output signal input in frequency-selecting output circuit after comparing processing, wherein triode Q1, triode Q2
In the feed circuit feedback signal of composition to transport and placing device AR2 inverting input terminal, transport and placing device AR3 output signal current potential is adjusted, it is described
Frequency-selecting output circuit filters out single-frequency with double T frequency selection circuits that resistance R10- resistance R12 and capacitor C5- capacitor C7 is formed
Signal input signal transmitter E1 in, signal projector E1 by power signal be sent to electric automatization low-voltage equipment control eventually
In end；
The feedback comparison circuit includes transport and placing device AR1, homophase input terminating resistor R2, the variable resistance of transport and placing device AR1
One end of R5, anti-phase input terminating resistor R3, one end of resistance R4 and the non-inverting input terminal of transport and placing device AR2 of transport and placing device AR1, electricity
The other end ground connection of R4 is hindered, the output of the other end of another terminating resistor R2 of resistance R3, transport and placing device AR1 terminates variable resistance R5
The other end and transport and placing device AR3 non-inverting input terminal, the anti-phase input terminating resistor R6 of transport and placing device AR2, one end of resistance R7 and
The transmission pole of triode Q1, triode Q2, the other end ground connection of resistance R7, the output of another termination transport and placing device AR2 of resistance R6
The inverting input terminal at end and transport and placing device AR3, the base stage of the output termination triode Q1 of transport and placing device AR3, the collector of triode Q1
One end of connecting resistance R8 and the base stage of triode Q2, one end of the collector connecting resistance R9 of triode Q2, the other end of resistance R9
Meet power supply+10V.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1. the modulation circuit formed with transport and placing device AR1 and variable resistance R5 is to signal receiving circuit output signal amplitude modulation,
By adjusting the adjustable transport and placing device AR1 output amplitude of resistance value of variable resistance R5, while devising the same phase of transport and placing device AR2
Amplified signal, the output signal of transport and placing device AR2 are the contrast signal of transport and placing device AR1, and transport and placing device AR3 plays the role of comparator,
It is inputted in frequency-selecting output circuit after comparing processing to transport and placing device AR1, transport and placing device AR2 output signal, can eliminate and colonize in signal
On interference.
2. devising the feed circuit feedback signal of triode Q1, triode Q2 composition to transport and placing device AR2 inverting input terminal
It is interior, in order to detect the abnormal signal of transport and placing device AR3, the feed circuit of triode Q1, triode Q2 composition is devised, is expanded
The current potential of trigger signal, when transport and placing device AR3 output signal is abnormal signal, triode Q1, triode Q2 conducting, by signal
It feeds back in transport and placing device AR2 inverting input terminal, reduces transport and placing device AR2 output signal current potential, that is to say calibration transport and placing device AR3 output
Signal potential is played and is calibrated automatically to signal, and anti-stop signal can generate error in transmission process.
Detailed description of the invention
Fig. 1 is the module map that a kind of electric automatization of the utility model sets non-firm power detection device.
Fig. 2 is the schematic diagram that a kind of electric automatization of the utility model sets non-firm power detection device.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Embodiment one, a kind of electric automatization set non-firm power detection device, including signal receiving circuit, feedback are more electric
Road and frequency-selecting output circuit, the signal receiving circuit are low with model AD8318 power detector J1 detection electric automatization
The motor operating power signal for pressing equipment is filtered with the π type filter circuit of inductance L1 and capacitor C1, capacitor C2 composition, described
Comparison circuit is fed back with the modulation circuit of transport and placing device AR1 and variable resistance R5 composition to signal receiving circuit output signal tune
Width, while transport and placing device AR2 is devised with phase amplified signal, most play the role of comparator through transport and placing device AR3 afterwards, to transport and placing device
AR1, transport and placing device AR2 output signal input in frequency-selecting output circuit after comparing processing, and wherein triode Q1, triode Q2 are formed
In feed circuit feedback signal to transport and placing device AR2 inverting input terminal, transport and placing device AR3 output signal current potential is adjusted, the frequency-selecting is defeated
Circuit filters out the signal of single-frequency with double T frequency selection circuits that resistance R10- resistance R12 and capacitor C5- capacitor C7 is formed out
In input signal transmitter E1, power signal is sent in electric automatization low-voltage equipment controlling terminal by signal projector E1；
The modulation circuit that the feedback comparison circuit is formed with transport and placing device AR1 and variable resistance R5 is to signal receiving circuit
Output signal amplitude modulation is devised simultaneously by adjusting the adjustable transport and placing device AR1 output amplitude of resistance value of variable resistance R5
For transport and placing device AR2 with phase amplified signal, the output signal of transport and placing device AR2 is the contrast signal of transport and placing device AR1, and transport and placing device AR3 is played
The effect of comparator inputs in frequency-selecting output circuit after comparing processing to transport and placing device AR1, transport and placing device AR2 output signal, can disappear
Except the interference colonized on signal, wherein the feed circuit feedback signal of triode Q1, triode Q2 composition is anti-to transport and placing device AR2
In phase input terminal, in order to detect the abnormal signal of transport and placing device AR3, the feedback of triode Q1, triode Q2 composition is devised
Circuit expands the current potential of trigger signal, and when transport and placing device AR3 output signal is abnormal signal, triode Q1, triode Q2 are led
It is logical, signal is fed back in transport and placing device AR2 inverting input terminal, transport and placing device AR2 output signal current potential is reduced, that is to say calibration amplifier
Device AR3 output signal current potential, plays and calibrates automatically to signal, and anti-stop signal can generate error, transport and placing device AR1 in transmission process
Homophase input terminating resistor R2, variable resistance R5 one end, the anti-phase input terminating resistor R3 of transport and placing device AR1, resistance R4
The non-inverting input terminal of one end and transport and placing device AR2, the other end ground connection of resistance R4, another terminating resistor R2's of resistance R3 is another
End, the other end of the output termination variable resistance R5 of transport and placing device AR1 and the non-inverting input terminal of transport and placing device AR3, transport and placing device AR2's is anti-
Mutually input terminating resistor R6, one end of resistance R7 and the transmission pole of triode Q1, triode Q2, the other end ground connection of resistance R7,
The output end of another termination transport and placing device AR2 of resistance R6 and the inverting input terminal of transport and placing device AR3, the output termination of transport and placing device AR3
The base stage of triode Q1, one end of the collector connecting resistance R8 of triode Q1 and the base stage of triode Q2, the current collection of triode Q2
One end of pole connecting resistance R9, another termination power+10V of resistance R9.
Embodiment two, on the basis of example 1, the frequency-selecting output circuit use resistance R10- resistance R12 and capacitor
Double T frequency selection circuits of C5- capacitor C7 composition filter out in the signal input signal transmitter E1 of single-frequency, the letter of single-frequency
Number compared with multiple-frequency signal transmission can it is more stable, power signal is sent to electric automatization low-voltage equipment control by signal projector E1
In terminal processed, one end of a termination capacitor C5 of resistance R10 and the output end of transport and placing device AR3, another terminating resistor of resistance R10
One end of R11 and one end of capacitor C6, one end of another terminating resistor R12 of capacitor C5 and one end of capacitor C7, resistance R12,
The other end of capacitor C6 is grounded, another termination signal projector E1 of resistance R11 and capacitor C7.
Embodiment three, on the basis of example 1, the signal receiving circuit select model AD8318 power detection
Device J1 collector J1 detects the motor operating power signal of electric automatization low-voltage equipment, with inductance L1 and capacitor C1, capacitor
The π type filter circuit filtering of C2 composition, improves the anti-interference of signal, the power supply termination power+5V of power detector J1, function
One end of the output terminating resistor R1 of rate detector J1, the ground terminal ground connection of power detector J1, another termination electricity of resistance R1
Feel one end of L1 and one end of capacitor C1, the other end ground connection of capacitor C1, one end of another termination capacitor C2 of inductance L1 and electricity
Hinder the other end of R2, the other end ground connection of capacitor C2.
When the utility model is specifically used, a kind of electric automatization sets non-firm power detection device, including signal receives electricity
Road, feedback comparison circuit and frequency-selecting output circuit, the signal receiving circuit are examined with model AD8318 power detector J1
The motor operating power signal for surveying electric automatization low-voltage equipment is filtered with the π type of inductance L1 and capacitor C1, capacitor C2 composition
Circuit filtering, the feedback comparison circuit receive electricity to signal with the modulation circuit that transport and placing device AR1 and variable resistance R5 is formed
Road output signal amplitude modulation is designed simultaneously by adjusting the adjustable transport and placing device AR1 output amplitude of resistance value of variable resistance R5
For transport and placing device AR2 with phase amplified signal, the output signal of transport and placing device AR2 is the contrast signal of transport and placing device AR1, and transport and placing device AR3 rises
To the effect of comparator, inputted in frequency-selecting output circuit after comparing processing to transport and placing device AR1, transport and placing device AR2 output signal, it can be with
The interference colonized on signal is eliminated, wherein the feed circuit feedback signal of triode Q1, triode Q2 composition to transport and placing device AR2
In inverting input terminal, in order to detect the abnormal signal of transport and placing device AR3, the anti-of triode Q1, triode Q2 composition is devised
Current feed circuit expands the current potential of trigger signal, when transport and placing device AR3 output signal is abnormal signal, triode Q1, triode Q2
Conducting, signal is fed back in transport and placing device AR2 inverting input terminal, reduces transport and placing device AR2 output signal current potential, that is to say calibration fortune
Device AR3 output signal current potential is put, the frequency-selecting output circuit is formed with resistance R10- resistance R12 and capacitor C5- capacitor C7
Double T frequency selection circuits filter out in the signal input signal transmitter E1 of single-frequency, and signal projector E1 sends power signal
It to electric automatization low-voltage equipment controlling terminal, plays and signal is calibrated automatically, anti-stop signal can generate in transmission process
Error.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of electric automatization sets non-firm power detection device, including signal receiving circuit, feedback comparison circuit and frequency-selecting are defeated
Circuit out, which is characterized in that the signal receiving circuit detects electric automatization with model AD8318 power harvester J1
The motor operating power signal of low-voltage equipment filters, institute with the π type filter circuit of inductance L1 and capacitor C1, capacitor C2 composition
Feedback comparison circuit is stated with the modulation circuit of transport and placing device AR1 and variable resistance R5 composition to signal receiving circuit output signal tune
Width, while transport and placing device AR2 is devised with phase amplified signal, most play the role of comparator through transport and placing device AR3 afterwards, to transport and placing device
AR1, transport and placing device AR2 output signal input in frequency-selecting output circuit after comparing processing, and wherein triode Q1, triode Q2 are formed
In feed circuit feedback signal to transport and placing device AR2 inverting input terminal, transport and placing device AR3 output signal current potential is adjusted, the frequency-selecting is defeated
Circuit filters out the signal of single-frequency with double T frequency selection circuits that resistance R10- resistance R12 and capacitor C5- capacitor C7 is formed out
In input signal transmitter E1, power signal is sent in electric automatization low-voltage equipment controlling terminal by signal projector E1；
The feedback comparison circuit includes transport and placing device AR1, the homophase input terminating resistor R2 of transport and placing device AR1, variable resistance R5
One end, anti-phase input terminating resistor R3, one end of resistance R4 and the non-inverting input terminal of transport and placing device AR2 of transport and placing device AR1, resistance R4
The other end ground connection, the other end of another terminating resistor R2 of resistance R3, transport and placing device AR1 output termination variable resistance R5 it is another
The non-inverting input terminal of one end and transport and placing device AR3, one end and three poles of the anti-phase input terminating resistor R6 of transport and placing device AR2, resistance R7
The transmission pole of pipe Q1, triode Q2, resistance R7 the other end ground connection, the output end of another termination transport and placing device AR2 of resistance R6 and
The inverting input terminal of transport and placing device AR3, the base stage of the output termination triode Q1 of transport and placing device AR3, the collector of triode Q1 connect electricity
Hinder one end of R8 and the base stage of triode Q2, one end of the collector connecting resistance R9 of triode Q2, another termination electricity of resistance R9
Source+10V.
2. a kind of electric automatization sets non-firm power detection device as described in claim 1, which is characterized in that the frequency-selecting output
Circuit includes resistance R10, one end of a termination capacitor C5 of resistance R10 and the output end of transport and placing device AR3, and resistance R10's is another
One end of terminating resistor R11 and one end of capacitor C6, one end of another terminating resistor R12 of capacitor C5 and one end of capacitor C7,
The other end ground connection of resistance R12, capacitor C6, another termination signal projector E1 of resistance R11 and capacitor C7.
3. a kind of electric automatization sets non-firm power detection device as claimed in claim 1 or 2, which is characterized in that the signal
Receive the power supply termination power+5V that circuit includes model AD8318 power detector J1, power detector J1, power detector
One end of the output terminating resistor R1 of J1, the ground terminal ground connection of power detector J1, the one of another termination inductance L1 of resistance R1
The one end at end and capacitor C1, the other end ground connection of capacitor C1, one end of another termination capacitor C2 of inductance L1 and resistance R2's is another
One end, the other end ground connection of capacitor C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698148.7U CN209372954U (en) | 2018-10-19 | 2018-10-19 | A kind of electric automatization sets non-firm power detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821698148.7U CN209372954U (en) | 2018-10-19 | 2018-10-19 | A kind of electric automatization sets non-firm power detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209372954U true CN209372954U (en) | 2019-09-10 |
Family
ID=67838706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821698148.7U Expired - Fee Related CN209372954U (en) | 2018-10-19 | 2018-10-19 | A kind of electric automatization sets non-firm power detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209372954U (en) |
-
2018
- 2018-10-19 CN CN201821698148.7U patent/CN209372954U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20211019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |