CN208781106U - A kind of grid-connected information transmission system - Google Patents
A kind of grid-connected information transmission system Download PDFInfo
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- CN208781106U CN208781106U CN201820998678.7U CN201820998678U CN208781106U CN 208781106 U CN208781106 U CN 208781106U CN 201820998678 U CN201820998678 U CN 201820998678U CN 208781106 U CN208781106 U CN 208781106U
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Abstract
A kind of grid-connected information transmission system, including signal input circuit, amplification adjusting circuit and voltage-stabilizing output circuit, the signal input circuit receives the signal that controlling terminal in the grid-connected information transmission system receives signal signal transmission passage input terminal, it is filtered with inductance L1, wherein the clamp circuit of diode D2 and diode D3 composition is by filtered signal clamper in 0-+5V, the signal that the amplification adjusting circuit divides two-way to receive signal input circuit output, it is directly inputted in voltage-stabilizing output circuit after transport and placing device AR2 is with mutually amplification all the way, two road transports detect the signal of signal input circuit output with triode Q1, the voltage-stabilizing output circuit exports after forming the pressure stabilizing of triode voltage regulator circuit with triode Q4 and voltage-stabiliser tube D7, it improves controlling terminal in the grid-connected information transmission system and receives letter The signal anti-interference ability of acquisition module signal transmission passage, and energy automatic regulating signal are ceased, prevents abnormal signal from will lead to distorted signals.
Description
Technical field
The utility model relates to grid-connected technical fields, more particularly to a kind of grid-connected information transmission system.
Background technique
Solar power generation is the useful supplement of conventional electric power generation, in view of its importance to environmental protection and economy development, each prosperity
Pushing forward solar power generation works invariably for country, and the solar power generation of middle and small scale has formd industry at present.Solar energy hair
Electricity has 2 kinds of modes of photovoltaic power generation and solar energy thermal-power-generating, and wherein it is prominent to have that maintenance is simple, power is changeable etc. for photovoltaic power generation
Advantage out obtains wide application as medium and small grid power source.
And the grid-connected information transmission system can make photovoltaic power generation information-based, generating efficiency be improved, due to photovoltaic power generation
Electromagnetic Interference it is larger, it is therefore desirable to guarantee in the grid-connected information transmission system that controlling terminal receives information acquisition module and uses
The signal of signal transmission passage has sufficiently strong anti-interference ability, and energy automatic regulating signal, prevents abnormal signal from will lead to
Distorted signals.
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 a kind of photovoltaic simultaneously
The net information transmission system, have be skillfully constructed, the characteristic of human oriented design, can be improved and controlled in the grid-connected information transmission system
Terminal processed receives the signal anti-interference ability of information acquisition module signal transmission passage, and energy automatic regulating signal, prevents different
Regular signal will lead to distorted signals.
Its technical solution solved is a kind of grid-connected information transmission system, including signal input circuit, amplifier are adjusted
Circuit and voltage-stabilizing output circuit, the signal input circuit receive controlling terminal in the grid-connected information transmission system and receive signal
It with the signal of signal transmission passage input terminal, is filtered with inductance L1, wherein the clamper electricity of diode D2 and diode D3 composition
By filtered signal clamper in 0-+5V, the amplification adjusting circuit divides two-way to receive the letter that signal input circuit exports on road
Number, all the way through transport and placing device AR2 with directly inputting in voltage-stabilizing output circuit after mutually amplifying, two road transports are defeated with triode Q1 detection signal
The signal for entering circuit output, when signal is abnormal low level signal, triode Q1 conducting, after transport and placing device AR1 is with mutually amplifying
It inputs in voltage-stabilizing output circuit, wherein devising triode Q3 feedback regulation transport and placing device AR2 output signal, triode Q2 will be abnormal
High level signal is released completely to greatly, and the voltage-stabilizing output circuit forms triode pressure stabilizing with triode Q4 and voltage-stabiliser tube D7
It is exported after circuit pressure stabilizing, that is to say that controlling terminal receives signal signal transmission passage in the grid-connected information transmission system of input
It is interior；
The amplification adjusting circuit includes transport and placing device AR2, one end of the homophase input terminating resistor R1 of transport and placing device AR2, fortune
Put the anti-phase input terminating resistor R2 of device AR2, one end of resistance R3, the other end ground connection of resistance R2, the output end of transport and placing device AR2
One end of connecting resistance R4, the collector of the other end of resistance R3 and triode Q2, triode Q1 base stage, the transmitting of triode Q1
The other end of pole connecting resistance R1, the collector of triode Q1 connect the non-inverting input terminal of transport and placing device AR1, the output end of transport and placing device AR1
Meet the base stage of triode Q2 and one end of resistance R5, the emitter ground connection of triode Q2, another termination triode Q3 of resistance R5
Base stage and resistance R6 one end, the emitter of triode Q3 connects the inverting input terminal of transport and placing device AR1, the collector of triode Q3
The other end of connecting resistance R6 and the other end of resistance R4.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1. will lead to signal function containing low level abnormal signal signal in the signal to prevent signal input circuit output
Rate is insufficient, therefore with the signal of triode Q1 detection signal input circuit output, when signal is abnormal low level signal, three
Pole pipe Q1 conducting, through transport and placing device AR1 with being inputted in voltage-stabilizing output circuit after mutually amplifying, wherein devising triode Q3 feedback regulation
Transport and placing device AR2 output signal, when in transport and placing device AR1 output signal containing abnormal high level signal, triode Q3 conducting is reduced
Transport and placing device AR1 output signal current potential, while devising triode Q2 detection transport and placing device AR2 output signal and transport and placing device AR1 is defeated
Whether signal difference is excessive out, if excessive will lead to jitter, therefore when signal difference is excessive, triode Q2 conducting, three
Abnormal signal is released to greatly, improving in the grid-connected information transmission system controlling terminal completely and receives information collection by pole pipe Q2
The signal anti-interference ability of module signal transmission passage, and energy automatic regulating signal, prevent abnormal signal from will lead to signal mistake
Very.
Detailed description of the invention
Fig. 1 is a kind of circuit module figure of the grid-connected information transmission system of the utility model.
Fig. 2 is a kind of circuit diagram of the grid-connected information transmission system of the utility model.
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.
Each exemplary embodiment of the utility model is described below with reference to accompanying drawings.
Embodiment one, a kind of grid-connected information transmission system, including signal input circuit, amplification adjusting circuit and pressure stabilizing
Output circuit, the signal input circuit receive controlling terminal reception signal in the grid-connected information transmission system and are transmitted with signal
The signal of path input is filtered with inductance L1, after wherein the clamp circuit of diode D2 and diode D3 composition will filter
Signal clamper in 0-+5V, the amplification adjusting circuit divide two-way receive signal input circuit output signal, all the way through transporting
Device AR2 is put with directly inputting in voltage-stabilizing output circuit after mutually amplifying, two road transports detect signal input circuit with triode Q1 and export
Signal, when signal is abnormal low level signal, triode Q1 conducting is defeated with input pressure stabilizing after mutually amplifying through transport and placing device AR1
Out in circuit, wherein devise triode Q3 feedback regulation transport and placing device AR2 output signal, triode Q2 is by abnormal high level signal
It is released completely to greatly, after the voltage-stabilizing output circuit is with triode Q4 and voltage-stabiliser tube D7 composition triode voltage regulator circuit pressure stabilizing
Output that is to say that controlling terminal receives in signal signal transmission passage in the grid-connected information transmission system of input；
The signal that the amplification adjusting circuit divides two-way to receive signal input circuit output, all the way through the same phase of transport and placing device AR2
It is directly inputted in voltage-stabilizing output circuit after amplification, improves signal power, that is to say the transmission rate for improving signal, for anti-stop signal
Contain low level abnormal signal signal in the signal of input circuit output, will lead to signal power deficiency, therefore two road transports are with three
Pole pipe Q1 detects the signal of signal input circuit output, when signal is abnormal low level signal, triode Q1 conducting, through amplifier
Device AR1 after mutually amplifying with inputting in voltage-stabilizing output circuit, wherein devising triode Q3 feedback regulation transport and placing device AR2 output letter
Number, when in transport and placing device AR1 output signal containing abnormal high level signal, triode Q3 conducting reduces transport and placing device AR1 output
Signal potential, at the same devise triode Q2 detection transport and placing device AR2 output signal and transport and placing device AR1 output signal difference whether mistake
Greatly, if excessive will lead to jitter, therefore when signal difference is excessive, triode Q2 conducting, triode Q2 is by abnormal letter
It number releases completely to greatly, one end of the homophase input terminating resistor R1 of transport and placing device AR2, the anti-phase input termination of transport and placing device AR2
One end of resistance R2, resistance R3, the other end ground connection of resistance R2, one end of the output terminating resistor R4 of transport and placing device AR2, resistance R3
The other end and the collector of triode Q2, triode Q1 base stage, the other end of the emitter connecting resistance R1 of triode Q1, three
The collector of pole pipe Q1 connects the non-inverting input terminal of transport and placing device AR1, the base stage and electricity of the output termination triode Q2 of transport and placing device AR1
One end of R5, the emitter ground connection of triode Q2, the base stage of another termination triode Q3 of resistance R5 and one end of resistance R6 are hindered,
The emitter of triode Q3 connects the inverting input terminal of transport and placing device AR1, the other end and electricity of the collector connecting resistance R6 of triode Q3
Hinder the other end of R4.
Embodiment two, on the basis of example 1, the voltage-stabilizing output circuit use triode Q4 and voltage-stabiliser tube D7 group
At exporting after triode voltage regulator circuit pressure stabilizing, it that is to say that controlling terminal receives signal use in the grid-connected information transmission system of input
In signal transmission passage, the stability of signal is further improved；The collector of the collector connecting transistor Q3 of triode Q4 and
One end of resistance R7, the other end of the base stage connecting resistance R7 of triode Q4 and the cathode of voltage-stabiliser tube D7, the anode of voltage-stabiliser tube D7 connect
Ground, one end of the emitter connecting resistance R8 of triode Q4, another termination signal output port of resistance R8.
Embodiment three, on the basis of example 2, the signal input circuit receive the grid-connected information transmission system
Middle controlling terminal receives the signal of signal signal transmission passage input terminal, filters with inductance L1, wherein diode D2 and two
Filtered signal clamper in 0-+5V, is prevented abnormal signal from destroying circuit by the clamp circuit of pole pipe D3 composition, inductance L1's
The cathode of one termination signal output port and voltage-stabiliser tube D1, the anode of another terminating diode D3 of inductance L1, diode D2
The non-inverting input terminal of cathode and transport and placing device AR2, the anode of voltage-stabiliser tube D1 and the plus earth of diode D2, the cathode of diode D3
Meet power supply+5V.
When the utility model is specifically used, a kind of grid-connected information transmission system, including signal input circuit, amplifier tune
Economize on electricity road and voltage-stabilizing output circuit, and the signal input circuit receives controlling terminal in the grid-connected information transmission system and receives letter
Number with the signal of signal transmission passage input terminal, filtered with inductance L1, wherein the clamper of diode D2 and diode D3 composition
For circuit by filtered signal clamper in 0-+5V, the amplification adjusting circuit divides two-way to receive signal input circuit output
Signal improves signal power, that is to say raising through transport and placing device AR2 with directly inputting in voltage-stabilizing output circuit after mutually amplifying all the way
The transmission rate of signal, for prevent signal input circuit from exporting signal in containing low level abnormal signal signal, will lead to letter
Number underpower, therefore two road transports detect the signal that signal input circuit exports with triode Q1, when signal is abnormal low level
When signal, triode Q1 conducting, through transport and placing device AR1 with being inputted in voltage-stabilizing output circuit after mutually amplifying, wherein devising triode
Q3 feedback regulation transport and placing device AR2 output signal, when in transport and placing device AR1 output signal containing abnormal high level signal, triode
Q3 conducting, reduce transport and placing device AR1 output signal current potential, at the same devise triode Q2 detection transport and placing device AR2 output signal and
Whether transport and placing device AR1 output signal difference is excessive, if excessive will lead to jitter, therefore when signal difference is excessive, three poles
Pipe Q2 conducting, triode Q2 release abnormal signal completely to greatly, and the voltage-stabilizing output circuit uses triode Q4 and pressure stabilizing
It is exported after pipe D7 composition triode voltage regulator circuit pressure stabilizing, that is to say that controlling terminal receives in the grid-connected information transmission system of input
In signal signal transmission passage.
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 grid-connected information transmission system, including signal input circuit, amplification adjusting circuit and voltage-stabilizing output circuit,
It is characterized in that, the signal input circuit receives controlling terminal reception signal in the grid-connected information transmission system and transmitted with signal
The signal of path input is filtered with inductance L1, after wherein the clamp circuit of diode D2 and diode D3 composition will filter
Signal clamper in 0-+5V, the amplification adjusting circuit divide two-way receive signal input circuit output signal, all the way through transporting
Device AR2 is put with directly inputting in voltage-stabilizing output circuit after mutually amplifying, two road transports detect signal input circuit with triode Q1 and export
Signal, when signal is abnormal low level signal, triode Q1 conducting is defeated with input pressure stabilizing after mutually amplifying through transport and placing device AR1
Out in circuit, wherein devise triode Q3 feedback regulation transport and placing device AR2 output signal, triode Q2 is by abnormal high level signal
It is released completely to greatly, after the voltage-stabilizing output circuit is with triode Q4 and voltage-stabiliser tube D7 composition triode voltage regulator circuit pressure stabilizing
Output that is to say that controlling terminal receives in signal signal transmission passage in the grid-connected information transmission system of input；
The amplification adjusting circuit includes transport and placing device AR2, one end of the homophase input terminating resistor R1 of transport and placing device AR2, transport and placing device
One end of the anti-phase input terminating resistor R2 of AR2, resistance R3, the other end ground connection of resistance R2, the output of transport and placing device AR2 terminate electricity
The base stage of one end of R4, the collector of the other end of resistance R3 and triode Q2, triode Q1 is hindered, the emitter of triode Q1 connects
The other end of resistance R1, the collector of triode Q1 connect the non-inverting input terminal of transport and placing device AR1, the output termination three of transport and placing device AR1
The base stage of pole pipe Q2 and one end of resistance R5, the emitter ground connection of triode Q2, the base of another termination triode Q3 of resistance R5
One end of pole and resistance R6, the emitter of triode Q3 connect the inverting input terminal of transport and placing device AR1, and the collector of triode Q3 connects electricity
Hinder the other end of R6 and the other end of resistance R4.
2. a kind of grid-connected information transmission system as described in claim 1, which is characterized in that the voltage-stabilizing output circuit includes
The collector of the collector connecting transistor Q3 of triode Q4, triode Q4 and one end of resistance R7, the base stage of triode Q4 connect electricity
The other end of resistance R7 and the cathode of voltage-stabiliser tube D7, the plus earth of voltage-stabiliser tube D7, the one of the emitter connecting resistance R8 of triode Q4
End, another termination signal output port of resistance R8.
3. a kind of grid-connected information transmission system as described in claim 1, which is characterized in that the signal input circuit includes
The cathode of termination a signal output port and voltage-stabiliser tube D1 of inductance L1, inductance L1, another terminating diode D3's of inductance L1
The non-inverting input terminal of anode, the cathode of diode D2 and transport and placing device AR2, the anode of voltage-stabiliser tube D1 and the anode of diode D2 connect
Ground, the cathode of diode D3 meet power supply+5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998678.7U CN208781106U (en) | 2018-06-27 | 2018-06-27 | A kind of grid-connected information transmission system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820998678.7U CN208781106U (en) | 2018-06-27 | 2018-06-27 | A kind of grid-connected information transmission system |
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| CN208781106U true CN208781106U (en) | 2019-04-23 |
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| CN201820998678.7U Active CN208781106U (en) | 2018-06-27 | 2018-06-27 | A kind of grid-connected information transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971229A (en) * | 2019-12-26 | 2020-04-07 | 郑州科技学院 | Electronic signal calibration system |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110971229A (en) * | 2019-12-26 | 2020-04-07 | 郑州科技学院 | Electronic signal calibration system |
| CN110971229B (en) * | 2019-12-26 | 2020-08-25 | 郑州科技学院 | Electronic signal calibration system |
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Effective date of registration: 20200618 Address after: No.555, Renmin Road, Nanyang City, Henan Province Patentee after: Nanyang Feilong Power Group Co.,Ltd. Address before: 473000 North Renmin Road, Nanyang City, Henan Province Patentee before: NANYANG FEILONG ELECTRICAL APPLIANCE Co.,Ltd. |