CN208026815U - A kind of measuring and controlling equipment error-tested system - Google Patents
A kind of measuring and controlling equipment error-tested system Download PDFInfo
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- CN208026815U CN208026815U CN201820610685.5U CN201820610685U CN208026815U CN 208026815 U CN208026815 U CN 208026815U CN 201820610685 U CN201820610685 U CN 201820610685U CN 208026815 U CN208026815 U CN 208026815U
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Abstract
The utility model discloses a kind of measuring and controlling equipment error-tested systems,Including signal input circuit,Abnormal signal filtering circuit and voltage-stabilizing output circuit,The signal input circuit receives the signal that measuring and controlling equipment error-tested system control terminal receives error signal signal transmission passage input terminal,The abnormal signal filtering circuit is with transport and placing device AR1 with phase amplified signal,Devise triode Q1 and voltage-stabiliser tube D4 and resistance R1 simultaneously,Abnormal signal is detected and is released completely to greatly by the compound circuit of resistance R2 compositions,Last voltage-stabilizing output circuit receives the signal of abnormal signal filtering circuit output,When signal potential is too low,Triode Q3 conductings,Power supply+10V is through resistance R9 at this time,After resistance R10 partial pressures thermal compensation signal is provided for transport and placing device AR2 in-phase input ends,When signal potential is excessively high,Triode Q2 conductings,Transport and placing device AR2 current potentials increase,Play the effect of voltage stabilizing,Signal anti-interference ability can be improved,And abnormal signal can be filtered out automatically,Improve the stability of signal.
Description
Technical field
The utility model is related to error-tested systems technology fields, more particularly to a kind of measuring and controlling equipment error-tested system
System.
Background technology
Currently, with the development of science and technology, various electronic equipments be people bring many facilities, substantially increase people
Quality of life, however between various electronic equipments electromagnetic signal appearance, one can be caused to the transmission of electronic equipment signal
Fixed interference, especially measuring and controlling equipment error-tested system, measuring and controlling equipment error-tested system control terminal receive error signal
It is even more to need that there is very strong anti-interference ability, and abnormal signal can be filtered out automatically with the signal of signal transmission passage input terminal,
Improve the stability of signal.
So the utility model provides a kind of new scheme to solve the problems, such as this.
Utility model content
For the above situation, to overcome the defect of the prior art, a kind of observing and controlling of being designed to provide of the utility model is set
Standby error-tested system, have be skillfully constructed, the characteristic of human oriented design, the control of measuring and controlling equipment error-tested system can be improved
Terminal receives the anti-interference ability of the error signal signal of signal transmission passage input terminal, and can filter out abnormal signal automatically,
Improve the stability of signal.
Its technical solution solved is a kind of measuring and controlling equipment error-tested system, including signal input circuit, abnormal signal
Filtering circuit and voltage-stabilizing output circuit, the signal input circuit receive measuring and controlling equipment error-tested system control terminal and receive mistake
The signal of difference signal signal transmission passage input terminal, the abnormal signal filtering circuit is with transport and placing device AR1 with mutually amplification letter
Number, while the compound circuit for devising triode Q1 and voltage-stabiliser tube D4 and resistance R1, resistance R2 compositions detects abnormal signal
And released completely to greatly, last voltage-stabilizing output circuit receives the signal of abnormal signal filtering circuit output, when signal potential mistake
When low, triode Q3 is connected, and power supply+10V is provided after resistance R9, resistance R10 partial pressures for transport and placing device AR2 in-phase input ends at this time
Thermal compensation signal, when signal potential is excessively high, triode Q2 conductings, transport and placing device AR2 current potentials increase, and play the effect of voltage stabilizing, finally
It is exported after resistance R12 partial pressures, that is to say that input measuring and controlling equipment error-tested system control terminal receives error signal signal
In transmission channel；
The voltage-stabilizing output circuit includes triode Q3, one end of the base stage connecting resistance R6 of triode Q3 and the one of resistance R7
End, one end of the emitter connecting resistance R10 of triode Q3, one end of another terminating resistor R9 of resistance R10 and diode D5's
Anode, the cathode ground connection of another termination power+10V of resistance R9, diode D5, the collector connecting resistance R7's of triode Q3 is another
One end of one end and resistance R11, the in-phase input end of another termination transport and placing device AR2 of resistance R11, the reverse phase of transport and placing device AR2 are defeated
Enter to terminate the emitter of triode Q2, the other end of the collector connecting resistance R6 of triode Q2, the base stage connecting resistance of triode Q2
One end of R8, one end of the output end and resistance R12 of another termination transport and placing device AR2 of resistance R8, another termination letter of resistance R12
Number output port.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1, the voltage-stabilizing output circuit receives the signal of abnormal signal filtering circuit output, when signal potential is too low, three
Pole pipe Q3 is connected, and power supply+10V provides compensation letter after resistance R9, resistance R10 partial pressures for transport and placing device AR2 in-phase input ends at this time
Number, so that it is exported the signal of normal current potential, when signal potential is excessively high, triode Q2 conductings, transport and placing device AR2 current potentials increase,
It is the reduction of transport and placing device AR2 output end current potentials, plays the effect of voltage stabilizing, is most exported after resistance R12 partial pressures afterwards, that is to say input
Measuring and controlling equipment error-tested system control terminal receives in error signal signal transmission passage, and wherein diode D5 prevents current potential
Havoc circuit is crossed, the effect of protection circuit is played,
2, the abnormal signal filtering circuit with transport and placing device AR1 with phase amplified signal, while devise triode Q1 and
Abnormal signal is detected and is released completely to greatly, playing inspection by the compound circuit of voltage-stabiliser tube D4 and resistance R1, resistance R2 composition
The effect for surveying abnormal signal and automatic fitration abnormal signal, improves the anti-interference of signal.
Description of the drawings
Fig. 1 is a kind of circuit module figure of measuring and controlling equipment error-tested system of the utility model.
Fig. 2 is a kind of circuit diagram of measuring and controlling equipment error-tested system of the utility model.
Specific implementation mode
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 is in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, a kind of measuring and controlling equipment error-tested system, including signal input circuit, abnormal signal filtering circuit and
Voltage-stabilizing output circuit, the signal input circuit receive measuring and controlling equipment error-tested system control terminal and receive error signal letter
The signal of number transmission channel input terminal, the abnormal signal filtering circuit, with phase amplified signal, design simultaneously with transport and placing device AR1
Triode Q1 and voltage-stabiliser tube D4 and resistance R1, resistance R2 compositions compound circuit abnormal signal is detected and release completely to
Greatly, last voltage-stabilizing output circuit receives the signal of abnormal signal filtering circuit output, when signal potential is too low, triode Q3
It is connected, power supply+10V provides thermal compensation signal after resistance R9, resistance R10 partial pressures for transport and placing device AR2 in-phase input ends at this time, works as letter
When number current potential is excessively high, triode Q2 conductings, transport and placing device AR2 current potentials increase, and play the effect of voltage stabilizing, are most divided afterwards through resistance R12
After export, that is to say input measuring and controlling equipment error-tested system control terminal receive error signal signal transmission passage in；
The voltage-stabilizing output circuit receives the signal of abnormal signal filtering circuit output, when signal potential is too low, three poles
Pipe Q3 is connected, and power supply+10V provides thermal compensation signal after resistance R9, resistance R10 partial pressures for transport and placing device AR2 in-phase input ends at this time,
It is set to export the signal of normal current potential, when signal potential is excessively high, triode Q2 conductings, transport and placing device AR2 current potentials are increased, be that is to say
Transport and placing device AR2 output end current potentials reduce, and play the effect of voltage stabilizing, are most exported after resistance R12 partial pressures afterwards, that is to say input observing and controlling
Equipment error checking system control terminal receives in error signal signal transmission passage, and wherein diode D5 prevents current potential excessive
Circuit is destroyed, the effect of protection circuit is played；One end of one end and resistance R7 of the base stage connecting resistance R6 of triode Q3, triode
One end of the emitter connecting resistance R10 of Q3, the anode of one end and diode D5 of another terminating resistor R9 of resistance R10, resistance
The cathode of another termination power+10V of R9, diode D5 are grounded, the other end and electricity of the collector connecting resistance R7 of triode Q3
Hinder one end of R11, the in-phase input end of another termination transport and placing device AR2 of resistance R11, the anti-phase input termination three of transport and placing device AR2
The emitter of pole pipe Q2, the other end of the collector connecting resistance R6 of triode Q2, one end of the base stage connecting resistance R8 of triode Q2,
One end of the output end and resistance R12 of another termination transport and placing device AR2 of resistance R8, another termination signal output end of resistance R12
Mouthful.
Embodiment two, on the basis of embodiment one, the abnormal signal filtering circuit is with transport and placing device AR1 with mutually amplification
Signal, while the compound circuit for devising triode Q1 and voltage-stabiliser tube D4 and resistance R1, resistance R2 compositions examines abnormal signal
It surveys and is released completely to the effect for greatly, playing detection abnormal signal and automatic fitration abnormal signal, the reverse phase of transport and placing device AR1 is defeated
Enter one end of terminating resistor R4, the one end and voltage stabilizing of one end and resistance R1 of the homophase input terminating resistor R2 of transport and placing device AR1
The cathode of pipe D4, the base stage of triode Q1, the plus earth of voltage-stabiliser tube D4, collector connecting resistance R1, the resistance R2 of triode Q1
The other end, the emitter ground connection of triode Q1, the collector of the output termination triode Q2 of transport and placing device AR1 and the one of resistance R5
End, one end of the other end and resistance R3 of another terminating resistor R4 of resistance R5.
Embodiment three, on the basis of embodiment two, the signal input circuit receives measuring and controlling equipment error-tested system
Control terminal receives the signal of error signal signal transmission passage input terminal, and with voltage-stabiliser tube D1 voltage stabilizings, diode D2 is prevented
Electric current crosses havoc circuit, and signal input circuit output signal is inputted all the way in transport and placing device AR1 in-phase input ends, another way input
In transport and placing device AR1 inverting inputs, the excessive effect that cannot make abnormal signal filtering circuit of signal, a termination of inductance L1 are avoided
The cathode of the in-phase input end of transport and placing device AR1 and the anode of diode D3, diode D2, the cathode connecting resistance R3's of diode D3
The other end, the cathode of another the termination signal input port and voltage-stabiliser tube D1 of inductance L1, the anode and diode D2 of voltage-stabiliser tube D1
Plus earth.
When the utility model is specifically used, a kind of measuring and controlling equipment error-tested system, including signal input circuit, abnormal letter
Number filtering circuit and voltage-stabilizing output circuit, the signal input circuit receive measuring and controlling equipment error-tested system control terminal and receive
The signal of error signal signal transmission passage input terminal, with voltage-stabiliser tube D1 voltage stabilizings, diode D2 prevents electric current from crossing havoc
Circuit, signal input circuit output signal are inputted all the way in transport and placing device AR1 in-phase input ends, and it is anti-that another way inputs transport and placing device AR1
In phase input terminal, the excessive effect that cannot make abnormal signal filtering circuit of signal, the abnormal signal filtering circuit is avoided to use
Transport and placing device AR1 with phase amplified signal, while devise triode Q1 and voltage-stabiliser tube D4 and resistance R1, resistance R2 compositions it is compound
Abnormal signal is detected and is released completely to greatly by circuit, and last voltage-stabilizing output circuit receives the output of abnormal signal filtering circuit
Signal, when signal potential is too low, triode Q3 conductings, power supply+10V is transport and placing device after resistance R9, resistance R10 partial pressures at this time
AR2 in-phase input ends provide thermal compensation signal, and when signal potential is excessively high, triode Q2 conductings, transport and placing device AR2 current potentials are increased, risen
It to the effect of voltage stabilizing, is most exported after resistance R12 partial pressures afterwards, that is to say that input measuring and controlling equipment error-tested system control terminal connects
It receives in error signal signal transmission passage.
The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；For 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 by expand and operating method, data replacement, should all fall
Within scope of protection of the utility model.
Claims (3)
1. a kind of measuring and controlling equipment error-tested system, including signal input circuit, abnormal signal filtering circuit and voltage stabilizing output electricity
Road, which is characterized in that the signal input circuit receives measuring and controlling equipment error-tested system control terminal and receives error signal use
The signal of signal transmission passage input terminal, the abnormal signal filtering circuit, with phase amplified signal, are set simultaneously with transport and placing device AR1
Abnormal signal is detected and is released completely by the compound circuit for having counted triode Q1 and voltage-stabiliser tube D4 and resistance R1, resistance R2 compositions
To greatly, last voltage-stabilizing output circuit receives the signal of abnormal signal filtering circuit output, when signal potential is too low, triode
Q3 is connected, and power supply+10V provides thermal compensation signal after resistance R9, resistance R10 partial pressures for transport and placing device AR2 in-phase input ends at this time, when
When signal potential is excessively high, triode Q2 conductings, transport and placing device AR2 inverting input current potentials increase, play the effect of voltage stabilizing, most pass through afterwards
It is exported after resistance R12 partial pressures, that is to say that input measuring and controlling equipment error-tested system control terminal receives error signal and passed with signal
In defeated channel；
The voltage-stabilizing output circuit includes triode Q3, one end of one end and resistance R7 of the base stage connecting resistance R6 of triode Q3,
One end of the emitter connecting resistance R10 of triode Q3, one end of another terminating resistor R9 of resistance R10 and diode D5 are just
Pole, the cathode ground connection of another termination power+10V of resistance R9, diode D5, the collector connecting resistance R7's of triode Q3 is another
The one end at end and resistance R11, the in-phase input end of another termination transport and placing device AR2 of resistance R11, the anti-phase input of transport and placing device AR2
Terminate the emitter of triode Q2, the other end of the collector connecting resistance R6 of triode Q2, the base stage connecting resistance R8 of triode Q2
One end, one end of the output end and resistance R12 of another termination transport and placing device AR2 of resistance R8, another termination signal of resistance R12
Output port.
2. a kind of measuring and controlling equipment error-tested system as described in claim 1, which is characterized in that the abnormal signal filtering circuit
Including transport and placing device AR1, one end of the anti-phase input terminating resistor R4 of transport and placing device AR1, the homophase input terminating resistor of transport and placing device AR1
The base stage of one end of R2 and the cathode of one end of resistance R1 and voltage-stabiliser tube D4, triode Q1, the plus earth of voltage-stabiliser tube D4, three
The collector connecting resistance R1 of pole pipe Q1, the other end of resistance R2, the emitter ground connection of triode Q1, the output end of transport and placing device AR1
Connect one end of the collector and resistance R5 of triode Q2, the other end of another terminating resistor R4 of resistance R5 and the one of resistance R3
End.
3. a kind of measuring and controlling equipment error-tested system as described in claim 1, which is characterized in that the signal input circuit includes
The cathode of the in-phase input end of a termination transport and placing device AR1 of inductance L1, inductance L1 and the anode of diode D3, diode D2, two
The other end of the cathode connecting resistance R3 of pole pipe D3, the cathode of another the termination signal input port and voltage-stabiliser tube D1 of inductance L1, surely
The anode of pressure pipe D1 and the plus earth of diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820610685.5U CN208026815U (en) | 2018-04-26 | 2018-04-26 | A kind of measuring and controlling equipment error-tested system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820610685.5U CN208026815U (en) | 2018-04-26 | 2018-04-26 | A kind of measuring and controlling equipment error-tested system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208026815U true CN208026815U (en) | 2018-10-30 |
Family
ID=63910543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820610685.5U Expired - Fee Related CN208026815U (en) | 2018-04-26 | 2018-04-26 | A kind of measuring and controlling equipment error-tested system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208026815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831180A (en) * | 2019-02-26 | 2019-05-31 | 郑州力通水务有限公司 | A kind of water supply remote monitoring system signal compensation circuit |
-
2018
- 2018-04-26 CN CN201820610685.5U patent/CN208026815U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831180A (en) * | 2019-02-26 | 2019-05-31 | 郑州力通水务有限公司 | A kind of water supply remote monitoring system signal compensation circuit |
| CN109831180B (en) * | 2019-02-26 | 2023-03-21 | 郑州力通水务有限公司 | Signal compensation circuit for water supply remote monitoring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 Termination date: 20190426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |