CN110022146A - A kind of electronic equipment analog calibration signal circuit - Google Patents
A kind of electronic equipment analog calibration signal circuit Download PDFInfo
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- CN110022146A CN110022146A CN201910384689.5A CN201910384689A CN110022146A CN 110022146 A CN110022146 A CN 110022146A CN 201910384689 A CN201910384689 A CN 201910384689A CN 110022146 A CN110022146 A CN 110022146A
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- 239000003381 stabilizer Substances 0.000 claims abstract description 34
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- 230000002159 abnormal effect Effects 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000006641 stabilisation Effects 0.000 claims abstract description 7
- 238000011105 stabilization Methods 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 5
- 230000009466 transformation Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00307—Modifications for increasing the reliability for protection in bipolar transistor circuits
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Abstract
The invention discloses a kind of electronic equipment analog calibration signal circuits, including frequency collection circuit, feed back constant-current circuit and push-pull output circuit, frequency collection circuit acquires the signal frequency in low-voltage electronic equipment controlling terminal in analog signal channel, it feeds back constant-current circuit and uses triode Q1, triode Q2 and voltage-stabiliser tube D3 forms constant-current source circuit stabilization signal current potential, it is inputted in push-pull output circuit after current signal is converted to voltage signal with variable resistance R8 and transport and placing device AR3 composition current-to-voltage converting circuit simultaneously, abnormal signal is wherein fed back into triode Q2 collector with silicon-controlled VTL1 and voltage-stabiliser tube D4 composition abnormal signal detection circuit, last push-pull output circuit uses triode Q3, triode Q4 and variable resistance R16 composition push-pull circuit exports after reducing signal conduction loss, Signal frequency can be converted to the thermal compensation signal of signal in analog signal channel in long-distance intelligent Facility Control Terminal.
Description
Technical field
The present invention relates to field of circuit technology, more particularly to a kind of electronic equipment analog calibration signal circuit.
Background technique
Currently, with the continuous development of science and technology, electronic equipment is more and more, people's lives quality and water are substantially increased
It is flat, then low-voltage electronic equipment feed back at present at most be exactly that the received analog signal error of controlling terminal is larger, namely
It is that signal in factory's low-voltage electronic equipment controlling terminal in analog signal channel is easily decayed in transmission process, leads to letter
Number underpower, seriously affects the using effect of low-voltage electronic equipment.
Summary of the invention
For above situation, for the defect for overcoming the prior art, purpose of the present invention is to provide a kind of electronic equipment moulds
Quasi- signal calibration circuit, can signal frequency in real-time detection low-voltage electronic equipment controlling terminal in analog signal channel, together
When signal frequency is converted to the thermal compensation signal of signal in analog signal channel in long-distance intelligent Facility Control Terminal.
Its technical solution solved is: a kind of electronic equipment analog calibration signal circuit, including frequency collection circuit, feedback
Constant-current circuit and push-pull output circuit, the frequency collection circuit acquire analog signal channel in low-voltage electronic equipment controlling terminal
Interior signal frequency, this analog signal channel are that low-voltage electronic equipment controlling terminal receives signal acquisition module output signal
Channel, the feedback constant-current circuit is with triode Q1, triode Q2 and voltage-stabiliser tube D3 composition constant-current source circuit stabilization signal electricity
Position, while current signal is converted into voltage signal with variable resistance R8 and transport and placing device AR3 composition current-to-voltage converting circuit
It inputs in push-pull output circuit afterwards, wherein forming abnormal signal detection circuit for abnormal letter with silicon-controlled VTL1 and voltage-stabiliser tube D4
Triode Q2 collector number is fed back to, transport and placing device AR3 output signal current potential is adjusted, last push-pull output circuit uses triode
Q3, triode Q4 and variable resistance R16 composition push-pull circuit export after reducing signal conduction loss, that is to say and set for Low-voltage Electronic
For the thermal compensation signal of signal in analog signal channel in controlling terminal；
The feedback constant-current circuit includes triode Q1, one end of the emitter connecting resistance R4 of triode Q1, the base of triode Q1
Pole connects one end of the cathode of diode D2 and the collector of triode Q2, resistance R12, and the one of the positive connecting resistance R3 of diode D2
End, the other end of another terminating resistor R4 of resistance R3 and one end of capacitor C2, the base of another termination triode Q2 of capacitor C2
Pole, the collector of triode Q1 and voltage-stabiliser tube D3 cathode, the plus earth of voltage-stabiliser tube D3, the emitter connecting resistance of triode Q2
One end of R5, another terminating resistor R6 of resistance R5, resistance R7, resistance R9, one end of capacitor C5 and variable resistance R8 one end
And the non-inverting input terminal of transport and placing device AR3, the other end ground connection of resistance R6, resistance R7, the other end ground connection of capacitor C5 can be changed
The other end of the anti-phase input terminating resistor R9 of another termination power+5V of resistance R8, transport and placing device AR3 and one end of resistance R10,
The other end of output terminating resistor R10 of transport and placing device AR3 and the cathode of the anode of silicon-controlled VTL1 and voltage-stabiliser tube D4, it is silicon-controlled
The other end of the cathode connecting resistance R13 of VTL1, one end of another termination capacitor C3 of resistance R13, another termination electricity of capacitor C3
The other end of R12 is hindered, the control electrode of silicon-controlled VTL1 connects the anode of voltage-stabiliser tube D4 and one end of resistance R15, capacitor C4, resistance
The other end ground connection of R15, capacitor C4.
By above technical scheme, the invention has the benefit that
1. forming constant-current source circuit stabilization signal current potential with triode Q1, triode Q2 and voltage-stabiliser tube D3, voltage-stabiliser tube D3 is utilized
Stablize triode Q2 base signal, realize and stablize the effect of triode Q2 emitter signal, since frequency mutual inductor J1 exports electric current
Signal, and thermal compensation signal needs for voltage signal, therefore with variable resistance R8 and transport and placing device AR3 composition Current Voltage conversion electricity
Current signal is converted to and is inputted in push-pull output circuit after voltage signal by road, in order to further ensure the size of signal amplitude,
Abnormal signal is fed back into triode Q2 collector with silicon-controlled VTL1 and voltage-stabiliser tube D4 composition abnormal signal detection circuit, benefit
Abnormal signal is judged with the conducting voltage of silicon-controlled VTL1, is haved the function that adjust transport and placing device AR3 output signal current potential, be realized
Automatic calibration to signal.
Detailed description of the invention
Fig. 1 is system module figure of the invention.
Fig. 2 is circuit diagram of the invention.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
Each exemplary embodiment of the invention is described below with reference to accompanying drawings.
Embodiment one, a kind of electronic equipment analog calibration signal circuit, including frequency collection circuit, feedback constant-current circuit and
Push-pull output circuit, frequency collection circuit acquire the signal frequency in low-voltage electronic equipment controlling terminal in analog signal channel,
This analog signal channel is the channel that low-voltage electronic equipment controlling terminal receives signal acquisition module output signal, feeds back constant current
Circuit forms constant-current source circuit stabilization signal current potential with triode Q1, triode Q2 and voltage-stabiliser tube D3, while using can power transformation
Resistance R8 and transport and placing device AR3 composition current-to-voltage converting circuit inputs push-pull output circuit after current signal is converted to voltage signal
It is interior, wherein abnormal signal is fed back to triode Q2 collection with silicon-controlled VTL1 and voltage-stabiliser tube D4 composition abnormal signal detection circuit
Electrode, adjusts transport and placing device AR3 output signal current potential, and last push-pull output circuit uses triode Q3, triode Q4 and can power transformation
Resistance R16 composition push-pull circuit exports after reducing signal conduction loss, that is to say to simulate letter in low-voltage electronic equipment controlling terminal
The thermal compensation signal of signal in number channel；
It feeds back constant-current circuit and forms constant-current source circuit stabilization signal current potential, benefit with triode Q1, triode Q2 and voltage-stabiliser tube D3
Stablize triode Q2 base signal with voltage-stabiliser tube D3, realizes and stablize the effect of triode Q2 emitter signal, due to frequency mutual inductor
J1 output current signal, and thermal compensation signal needs for voltage signal, therefore forms electric current with variable resistance R8 and transport and placing device AR3
Voltage conversion circuit inputs in push-pull output circuit after current signal is converted to voltage signal, in order to further ensure signal vibration
Abnormal signal is fed back to triode Q2 with silicon-controlled VTL1 and voltage-stabiliser tube D4 composition abnormal signal detection circuit by the size of width
Collector, the conducting voltage using silicon-controlled VTL1 judge abnormal signal, reach the work for adjusting transport and placing device AR3 output signal current potential
With realizing the automatic calibration to signal, one end of the emitter connecting resistance R4 of triode Q1, the base stage of triode Q1 connects two poles
One end of the collector of the cathode of pipe D2 and triode Q2, resistance R12, one end of the positive connecting resistance R3 of diode D2, resistance
The other end of another terminating resistor R4 of R3 and one end of capacitor C2, the base stage of another termination triode Q2 of capacitor C2, three poles
The collector of pipe Q1 and the cathode of voltage-stabiliser tube D3, the plus earth of voltage-stabiliser tube D3, the one of the emitter connecting resistance R5 of triode Q2
End, another terminating resistor R6 of resistance R5, resistance R7, resistance R9, one end of capacitor C5 and variable resistance R8 one end and fortune
Put the non-inverting input terminal of device AR3, the other end ground connection of resistance R6, resistance R7, the other end ground connection of capacitor C5, variable resistance R8
Another termination power+5V, the other end of the anti-phase input terminating resistor R9 of transport and placing device AR3 and one end of resistance R10, transport and placing device
The other end of output terminating resistor R10 of AR3 and the cathode of the anode of silicon-controlled VTL1 and voltage-stabiliser tube D4, silicon-controlled VTL1's
The other end of cathode connecting resistance R13, one end of another termination capacitor C3 of resistance R13, another terminating resistor R12 of capacitor C3
The other end, the control electrode of silicon-controlled VTL1 connect voltage-stabiliser tube D4 anode and resistance R15, capacitor C4 one end, resistance R15, electricity
Hold the other end ground connection of C4.
Embodiment two, on the basis of example 1, push-pull output circuit use triode Q3, triode Q4 and can power transformations
Resistance R16 composition push-pull circuit exports after reducing signal conduction loss, that is to say to simulate letter in low-voltage electronic equipment controlling terminal
The thermal compensation signal of signal in number channel prevents signal power insufficient by the way of to signal compensation, guarantees the steady of signal transmission
Fixed, the base stage of triode Q3 connects the base stage of triode Q4 and the output end of transport and placing device AR3, the collector of triode Q3 connect power supply+
One end of the emitter connecting resistance R14 of 5V, triode Q3 and the emitter of triode Q4, the collector of triode Q4 connects can power transformation
Hinder one end of R16, the other end ground connection of variable resistance R16, another termination signal output port of resistance R14.
Embodiment three, on the basis of example 1, frequency collection circuit select the frequency mutual inductor of model SJ-ADC
J1 acquires the signal frequency in low-voltage electronic equipment controlling terminal in analog signal channel, voltage-stabiliser tube D1 pressure stabilizing, frequency mutual inductor
The ground terminal of the power supply termination capacitor C1 of J1, one end of resistance R1 and power supply+5V, frequency mutual inductor J1 are grounded, frequency mutual inductor
Output termination capacitor C1, the other end of resistance R1 and one end of resistance R2 of J1 and the cathode of voltage-stabiliser tube D1, resistance R2's is another
The other end of one terminating resistor R3, the plus earth of voltage-stabiliser tube D1.
The present invention is when specifically used, a kind of electronic equipment analog calibration signal circuit, including frequency collection circuit, feedback
Constant-current circuit and push-pull output circuit, frequency collection circuit acquire in low-voltage electronic equipment controlling terminal in analog signal channel
Signal frequency, this analog signal channel are that low-voltage electronic equipment controlling terminal receives the logical of signal acquisition module output signal
Road, feedback constant-current circuit form constant-current source circuit stabilization signal current potential with triode Q1, triode Q2 and voltage-stabiliser tube D3, utilize
Voltage-stabiliser tube D3 stablizes triode Q2 base signal, realizes and stablizes the effect of triode Q2 emitter signal, due to frequency mutual inductor J1
Output current signal, and thermal compensation signal needs for voltage signal, therefore with variable resistance R8 and transport and placing device AR3 composition electric current electricity
Voltage conversion circuit inputs in push-pull output circuit after current signal is converted to voltage signal, in order to further ensure signal amplitude
Size, abnormal signal fed back into triode Q2 collection with silicon-controlled VTL1 and voltage-stabiliser tube D4 composition abnormal signal detection circuit
Electrode, the conducting voltage using silicon-controlled VTL1 judge abnormal signal, reach the work for adjusting transport and placing device AR3 output signal current potential
With realizing the automatic calibration to signal, last push-pull output circuit uses triode Q3, triode Q4 and variable resistance R16
Composition push-pull circuit exports after reducing signal conduction loss, that is to say as analog signal channel in low-voltage electronic equipment controlling terminal
The thermal compensation signal of interior signal.
The above is that further detailed description of the invention, and it cannot be said that the present invention in conjunction with specific embodiment
Specific implementation is limited only to this；Belonging to the present invention and for those skilled in the technology concerned, it is being based on skill of the present invention
Under the premise of art scheme thinking, it is made expansion and operating method, data replacement, should all fall in the scope of the present invention it
It is interior.
Claims (3)
1. a kind of electronic equipment analog calibration signal circuit, including frequency collection circuit, feedback constant-current circuit and push-pull output electricity
Road, it is characterised in that: the signal in the frequency collection circuit acquisition low-voltage electronic equipment controlling terminal in analog signal channel
Frequency, this analog signal channel are the channel that low-voltage electronic equipment controlling terminal receives signal acquisition module output signal, institute
State feedback constant-current circuit with triode Q1, triode Q2 and voltage-stabiliser tube D3 composition constant-current source circuit stabilization signal current potential, simultaneously
Current signal is converted to input after voltage signal with variable resistance R8 and transport and placing device AR3 composition current-to-voltage converting circuit and is pushed away
It draws in output circuit, wherein feeding back to abnormal signal with silicon-controlled VTL1 and voltage-stabiliser tube D4 composition abnormal signal detection circuit
Triode Q2 collector, adjusts transport and placing device AR3 output signal current potential, and last push-pull output circuit uses triode Q3, triode
Q4 and variable resistance R16 composition push-pull circuit exports after reducing signal conduction loss, that is to say and controls eventually for low-voltage electronic equipment
In end in analog signal channel signal thermal compensation signal；The feedback constant-current circuit includes triode Q1, the transmitting of triode Q1
One end of pole connecting resistance R4, the base stage of triode Q1 meet the one of the cathode of diode D2 and the collector of triode Q2, resistance R12
End, one end of the positive connecting resistance R3 of diode D2, the other end of another terminating resistor R4 of resistance R3 and one end of capacitor C2,
Base stage, the collector of triode Q1 and the cathode of voltage-stabiliser tube D3 of another termination triode Q2 of capacitor C2, voltage-stabiliser tube D3 is just
Pole ground connection, one end of the emitter connecting resistance R5 of triode Q2, another terminating resistor R6, resistance R7, the resistance R9, electricity of resistance R5
Hold one end of C5 and one end of variable resistance R8 and the non-inverting input terminal of transport and placing device AR3, the other end of resistance R6, resistance R7
Ground connection, the other end ground connection of capacitor C5, the anti-phase input of another termination power+5V of variable resistance R8, transport and placing device AR3 terminate electricity
Hinder the other end of R9 and one end of resistance R10, the other end and silicon-controlled VTL1 of the output terminating resistor R10 of transport and placing device AR3
The cathode of anode and voltage-stabiliser tube D4, the other end of the cathode connecting resistance R13 of silicon-controlled VTL1, another termination electricity of resistance R13
Hold one end of C3, the other end of another terminating resistor R12 of capacitor C3, the control electrode of silicon-controlled VTL1 is meeting voltage-stabiliser tube D4 just
One end of pole and resistance R15, capacitor C4, the other end ground connection of resistance R15, capacitor C4.
2. a kind of electronic equipment analog calibration signal circuit according to claim 1, it is characterised in that: the push-pull output
Circuit includes triode Q3, and the base stage of triode Q3 connects the base stage of triode Q4 and the output end of transport and placing device AR3, triode Q3's
Collector connects power supply+5V, one end of the emitter connecting resistance R14 of triode Q3 and the emitter of triode Q4, triode Q4's
Collector connects one end of variable resistance R16, the other end ground connection of variable resistance R16, another termination signal output end of resistance R14
Mouthful.
3. a kind of electronic equipment analog calibration signal circuit according to claim 2, it is characterised in that: the frequency collection
Circuit includes the frequency mutual inductor J1 of model SJ-ADC, one end of the power supply termination capacitor C1 of frequency mutual inductor J1, resistance R1
With power supply+5V, the ground terminal of frequency mutual inductor J1 is grounded, the output termination capacitor C1 of frequency mutual inductor J1, resistance R1 it is another
End and one end of resistance R2 and the cathode of voltage-stabiliser tube D1, the other end of another terminating resistor R3 of resistance R2, voltage-stabiliser tube D1's
Plus earth.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384689.5A CN110022146A (en) | 2019-05-09 | 2019-05-09 | A kind of electronic equipment analog calibration signal circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384689.5A CN110022146A (en) | 2019-05-09 | 2019-05-09 | A kind of electronic equipment analog calibration signal circuit |
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| CN110022146A true CN110022146A (en) | 2019-07-16 |
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| CN201910384689.5A Pending CN110022146A (en) | 2019-05-09 | 2019-05-09 | A kind of electronic equipment analog calibration signal circuit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110348796A (en) * | 2019-07-25 | 2019-10-18 | 郑州航空工业管理学院 | Logistics information collection system |
| CN110345981A (en) * | 2019-07-29 | 2019-10-18 | 中国科学技术大学 | The detection system of resistance sensor |
| CN110417433A (en) * | 2019-08-30 | 2019-11-05 | 黄河科技学院 | A kind of agricultural greenhouse data transmission system |
| CN110460796A (en) * | 2019-08-30 | 2019-11-15 | 郑州工程技术学院 | A kind of industrial equipment operation monitoring signal adjusting circuit |
| CN110533966A (en) * | 2019-10-14 | 2019-12-03 | 郑州铁路职业技术学院 | A kind of Foreigh-language oral-speech correction system |
| CN110968012A (en) * | 2019-12-26 | 2020-04-07 | 郑州科技学院 | Electronic signal compensation device |
| CN111245456A (en) * | 2020-03-01 | 2020-06-05 | 徐晨旭 | Service management system based on big data |
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| JPH07176199A (en) * | 1992-03-30 | 1995-07-14 | Nec Corp | Sample-and-hold circuit |
| CN208027549U (en) * | 2018-04-26 | 2018-10-30 | 黄河科技学院 | A kind of electronic information switching system |
| CN109495017A (en) * | 2018-12-21 | 2019-03-19 | 滨州学院 | A kind of broadband piezoelectric vibration energy harvesting system |
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2019
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07176199A (en) * | 1992-03-30 | 1995-07-14 | Nec Corp | Sample-and-hold circuit |
| CN208027549U (en) * | 2018-04-26 | 2018-10-30 | 黄河科技学院 | A kind of electronic information switching system |
| CN109495017A (en) * | 2018-12-21 | 2019-03-19 | 滨州学院 | A kind of broadband piezoelectric vibration energy harvesting system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110348796A (en) * | 2019-07-25 | 2019-10-18 | 郑州航空工业管理学院 | Logistics information collection system |
| CN110348796B (en) * | 2019-07-25 | 2021-09-07 | 郑州航空工业管理学院 | Logistics information acquisition system |
| CN110345981A (en) * | 2019-07-29 | 2019-10-18 | 中国科学技术大学 | The detection system of resistance sensor |
| CN110417433A (en) * | 2019-08-30 | 2019-11-05 | 黄河科技学院 | A kind of agricultural greenhouse data transmission system |
| CN110460796A (en) * | 2019-08-30 | 2019-11-15 | 郑州工程技术学院 | A kind of industrial equipment operation monitoring signal adjusting circuit |
| CN110417433B (en) * | 2019-08-30 | 2020-03-27 | 黄河科技学院 | Agricultural greenhouse data transmission system |
| CN110460796B (en) * | 2019-08-30 | 2021-04-27 | 中瑞恒（北京）科技有限公司 | Industrial equipment operation monitoring signal regulating circuit |
| CN110533966A (en) * | 2019-10-14 | 2019-12-03 | 郑州铁路职业技术学院 | A kind of Foreigh-language oral-speech correction system |
| CN110533966B (en) * | 2019-10-14 | 2021-03-19 | 郑州铁路职业技术学院 | Foreign language spoken language correction system |
| CN110968012A (en) * | 2019-12-26 | 2020-04-07 | 郑州科技学院 | Electronic signal compensation device |
| CN111245456A (en) * | 2020-03-01 | 2020-06-05 | 徐晨旭 | Service management system based on big data |
| CN111245456B (en) * | 2020-03-01 | 2020-10-02 | 北京瞭望神州科技有限公司 | Service management system based on big data |
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