CN208871800U - A kind of building intellectualization ventilation equipment circuit for signal conditioning - Google Patents
A kind of building intellectualization ventilation equipment circuit for signal conditioning Download PDFInfo
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- CN208871800U CN208871800U CN201821388656.5U CN201821388656U CN208871800U CN 208871800 U CN208871800 U CN 208871800U CN 201821388656 U CN201821388656 U CN 201821388656U CN 208871800 U CN208871800 U CN 208871800U
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Abstract
A kind of building intellectualization ventilation equipment circuit for signal conditioning circuit for signal conditioning, including signal input circuit, differential comparison circuit and voltage-stabilizing output circuit, the signal input circuit receives the signal that building intellectualization ventilation equipment controlling terminal receives signal signal transmission passage input terminal, with inductance L1 and capacitor C1, the pi-network filtering of capacitor C2 composition, the differential comparison circuit uses triode Q1, triode Q2 forms difference channel and handles the signal differential that signal input circuit exports, transport and placing device AR2 is devised simultaneously in input voltage-stabilizing output circuit after mutually amplification, and it devises triode Q3 feedback transport and placing device AR2 to output signal in difference channel, the voltage-stabilizing output circuit exports after devising the triode voltage regulator circuit pressure stabilizing that triode Q5 and voltage-stabiliser tube D7 is formed, it improves Building intellectualization ventilation equipment controlling terminal receives the signal stabilization of signal signal transmission passage, prevents distorted signals.
Description
Technical field
The utility model relates to ventilation equipment technical fields, more particularly to a kind of building intellectualization ventilation equipment signal
Adjust circuit.
Background technique
Currently, the utilization of ventilation equipment is very common, either household, which is still built, can all use ventilation equipment, with
The progress of science and technology, the change of people's demand value, ventilation equipment are also constantly being improved, are being innovated, however building intellectualization is logical
Wind devices controlling terminal receives the signal of signal signal transmission passage in transmittance process, often unstable because of signal,
Cause signal to be distorted, seriously affects the using effect of building intellectualization ventilation equipment.
So the utility model provides a kind of new scheme to solve the problems, such as this.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the utility model is designed to provide a kind of building intelligence
Ventilation equipment circuit for signal conditioning can be changed, simple, human oriented design characteristic, improves building intellectualization ventilation with structure
Facility Control Terminal receives the signal stabilization of signal signal transmission passage, prevents distorted signals.
Its technical solution solved is a kind of building intellectualization ventilation equipment circuit for signal conditioning Signal Regulation electricity
Road, including signal input circuit, differential comparison circuit and voltage-stabilizing output circuit, the signal input circuit receive building intellectualization
Ventilation equipment controlling terminal receives the signal of signal signal transmission passage input terminal, with inductance L1 and capacitor C1, capacitor C2
The pi-network of composition filters, while devising diode D1 and diode D2 and be total to clamp circuit that cathode forms for signal potential
Clamper is in 0-+5V, and the differential comparison circuit is with triode Q1, triode Q2 composition difference channel to signal input circuit
The signal differential of output is handled, while being devised after transport and placing device AR2 amplifies with phase and being inputted in voltage-stabilizing output circuit, and devising
Triode Q3 feedback transport and placing device AR2 is outputed signal in difference channel, adjusts the signal potential of difference channel output, the pressure stabilizing
It is exported after the triode voltage regulator circuit pressure stabilizing of designing circuitry triode Q5 and voltage-stabiliser tube D7 composition, that is to say input building
Intelligent ventilation equipment controlling terminal receives in signal signal transmission passage；
The differential comparison circuit includes triode Q1, one end of the collector connecting resistance R2 of triode Q1, triode Q1
Emitter connect the emitter of triode Q2 and one end of resistance R4, the other end ground connection of resistance R4, the collector of triode Q2
One end of connecting resistance R3 and the emitter of triode Q3, the base stage of triode Q2 connect the non-inverting input terminal of transport and placing device AR2, transport and placing device
One end of the anti-phase input terminating resistor R5 of AR2, resistance R6, the other end ground connection of resistance R5, another termination amplifier of resistance R6
The emitter of the output end of device AR2, one end of the base stage of triode Q3 and resistance R8 and triode Q4, the current collection of triode Q3
Another termination power+5V of one end of pole connecting resistance R7, resistance R7, resistance R2 and resistance R3, the base stage connecting resistance of triode Q4
The other end of R8, the grounded collector of triode Q4.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1, the signal differential that signal input circuit exports is handled with triode Q1, triode Q2 composition difference channel,
Difference channel utilizes the symmetry and negative feedback of circuit parameter, effectively stable Static Electro place value, improves the anti-dry of signal
Ability is disturbed, while devising transport and placing device AR2 with inputting in voltage-stabilizing output circuit after mutually amplifying, improves the power of signal, and
Triode Q3 feedback transport and placing device AR2 is devised to output signal in difference channel, when the abnormal signal of transport and placing device AR2 output,
This time-division high level and low level two states, when abnormal signal is high level, triode Q3 conducting improves triode Q2
Collector potential thereby reduces the Static Electro place value of difference channel, when abnormal signal is low level, triode Q4 conducting,
Abnormal signal is released to greatly completely, reaches the effect for improving signal stabilization, it is therefore prevented that the distortion of signal.
Detailed description of the invention
Fig. 1 is a kind of building intellectualization ventilation equipment circuit for signal conditioning module map of the utility model.
Fig. 2 is a kind of building intellectualization ventilation equipment circuit for signal conditioning schematic diagram 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 building intellectualization ventilation equipment circuit for signal conditioning circuit for signal conditioning, including signal
Input circuit, differential comparison circuit and voltage-stabilizing output circuit, the signal input circuit receive the control of building intellectualization ventilation equipment
The signal of terminal received signals processed signal transmission passage input terminal, with the π type electricity of inductance L1 and capacitor C1, capacitor C2 composition
Road filtering, while devise diode D1 and diode D2 be total to cathode form clamp circuit by signal potential clamper in 0-+5V
Signal interior, that the differential comparison circuit exports signal input circuit with triode Q1, triode Q2 composition difference channel
Difference processing, while devising after transport and placing device AR2 amplifies with phase and inputting in voltage-stabilizing output circuit, and it is anti-to devise triode Q3
Feedback transport and placing device AR2 is outputed signal in difference channel, adjusts the signal potential of difference channel output, and the voltage-stabilizing output circuit is set
It is exported after having counted the triode voltage regulator circuit pressure stabilizing of triode Q5 and voltage-stabiliser tube D7 composition, that is to say input building intellectualization ventilation
Facility Control Terminal receives in signal signal transmission passage；
The differential comparison circuit exports signal input circuit with triode Q1, triode Q2 composition difference channel
Signal differential processing, difference channel utilize the symmetry and negative feedback of circuit parameter, and effectively stable Static Electro place value, mentions
The anti-interference ability of high RST, while transport and placing device AR2 is devised with inputting in voltage-stabilizing output circuit after mutually amplifying, improve signal
Power, and devise triode Q3 feedback transport and placing device AR2 output signal in difference channel, when transport and placing device AR2 output
When abnormal signal, this time-division high level and low level two states, when abnormal signal is high level, triode Q3 conducting is mentioned
High triode Q2 collector potential, thereby reduces the Static Electro place value of difference channel, when abnormal signal is low level, three
Abnormal signal is released to greatly completely, reaches the effect for improving signal stabilization, it is therefore prevented that the mistake of signal by pole pipe Q4 conducting
Very, one end of the collector connecting resistance R2 of triode Q1, the emitter of triode Q1 connect the emitter and resistance R4 of triode Q2
One end, the other end ground connection of resistance R4, one end of the collector connecting resistance R3 of triode Q2 and the emitter of triode Q3, three
The base stage of pole pipe Q2 connects the non-inverting input terminal of transport and placing device AR2, and the one of the anti-phase input terminating resistor R5 of transport and placing device AR2, resistance R6
End, the other end ground connection of resistance R5, the base stage and resistance of the output end of another termination transport and placing device AR2 of resistance R6, triode Q3
One end of R8 and the emitter of triode Q4, one end of the collector connecting resistance R7 of triode Q3, resistance R7, resistance R2 and electricity
Hinder another termination power+5V of R3, the other end of the base stage connecting resistance R8 of triode Q4, the grounded collector of triode Q4.
Embodiment two, on the basis of example 1, the voltage-stabilizing output circuit devise triode Q5 and voltage-stabiliser tube D7
It is exported after the triode voltage regulator circuit pressure stabilizing of composition, further improves the stability of signal, that is to say input building intellectualization
Ventilation equipment controlling terminal receives in signal signal transmission passage, the base stage and electricity of the collector connecting transistor Q4 of triode Q5
One end of resistance R9, the other end of the base stage connecting resistance R9 of triode Q5 and the cathode of voltage-stabiliser tube D7, the plus earth of voltage-stabiliser tube D7,
One end of the emitter connecting resistance R10 of triode Q5, another termination signal output port of resistance R10.
Embodiment three, on the basis of example 2, the signal input circuit receive the control of building intellectualization ventilation equipment
The signal of terminal received signals processed signal transmission passage input terminal, with the π type electricity of inductance L1 and capacitor C1, capacitor C2 composition
Road filtering, while devise diode D1 and diode D2 be total to cathode form clamp circuit by signal potential clamper in 0-+5V
Interior, the anti-excessive destruction circuit of stop signal plays the effect of protection circuit, one end of a termination capacitor C1 of inductance L1 and resistance R1
One end, another termination signal output port of resistance R1, one end of another termination capacitor C2 of inductance L1 and triode Q1's
The cathode of base stage and diode D1, diode D2, the other end ground connection of capacitor C1, capacitor C2, the anode of diode D1 connect electricity
Source+5V, the plus earth of diode D2.
When the utility model is specifically used, a kind of building intellectualization ventilation equipment circuit for signal conditioning Signal Regulation electricity
Road, including signal input circuit, differential comparison circuit and voltage-stabilizing output circuit, the signal input circuit receive building intellectualization
Ventilation equipment controlling terminal receives the signal of signal signal transmission passage input terminal, with inductance L1 and capacitor C1, capacitor C2
The pi-network of composition filters, while devising diode D1 and diode D2 and be total to clamp circuit that cathode forms for signal potential
Clamper is in 0-+5V, and the differential comparison circuit is with triode Q1, triode Q2 composition difference channel to signal input circuit
The signal differential of output is handled, and difference channel utilizes the symmetry and negative feedback of circuit parameter, effectively stable Static Electro
Place value, improves the anti-interference ability of signal, while devising transport and placing device AR2 with inputting in voltage-stabilizing output circuit after mutually amplifying, and mentions
The high power of signal, and devise triode Q3 feedback transport and placing device AR2 and output signal in difference channel, work as transport and placing device
When the abnormal signal of AR2 output, this time-division high level and low level two states, when abnormal signal is high level, triode
Q3 conducting, improves triode Q2 collector potential, thereby reduces the Static Electro place value of difference channel, when abnormal signal is low
When level, abnormal signal is released to greatly completely, reaches the effect for improving signal stabilization by triode Q4 conducting, it is therefore prevented that
The distortion of signal, after the voltage-stabilizing output circuit devises the triode voltage regulator circuit pressure stabilizing of triode Q5 and voltage-stabiliser tube D7 composition
Output that is to say that input building intellectualization ventilation equipment controlling terminal receives 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 building intellectualization ventilation equipment circuit for signal conditioning, including signal input circuit, differential comparison circuit and steady
Voltage follower circuit, which is characterized in that the signal input circuit receives building intellectualization ventilation equipment controlling terminal and receives signal
With the signal of signal transmission passage input terminal, filters with the pi-network of inductance L1 and capacitor C1, capacitor C2 composition, set simultaneously
Counted diode D1 and diode D2 be total to cathode composition clamp circuit by signal potential clamper in 0-+5V, the differential ratio
The signal differential that signal input circuit exports is handled with triode Q1, triode Q2 composition difference channel compared with circuit, simultaneously
It devises after transport and placing device AR2 amplifies with phase and inputs in voltage-stabilizing output circuit, and it is defeated to devise triode Q3 feedback transport and placing device AR2
Out in signal to difference channel, the signal potential of difference channel output is adjusted, the voltage-stabilizing output circuit devises triode Q5
It is exported after triode voltage regulator circuit pressure stabilizing with voltage-stabiliser tube D7 composition, that is to say input building intellectualization ventilation equipment controlling terminal
It receives in signal signal transmission passage；
The differential comparison circuit includes triode Q1, one end of the collector connecting resistance R2 of triode Q1, the hair of triode Q1
Emitter-base bandgap grading connects the emitter of triode Q2 and one end of resistance R4, the other end ground connection of resistance R4, and the collector of triode Q2 connects electricity
One end of R3 and the emitter of triode Q3 are hindered, the base stage of triode Q2 meets the non-inverting input terminal of transport and placing device AR2, transport and placing device AR2
Anti-phase input terminating resistor R5, resistance R6 one end, resistance R5 the other end ground connection, another termination transport and placing device of resistance R6
The emitter of the output end of AR2, one end of the base stage of triode Q3 and resistance R8 and triode Q4, the collector of triode Q3
The base stage connecting resistance R8 of another termination power+5V of one end of connecting resistance R7, resistance R7, resistance R2 and resistance R3, triode Q4
The other end, the grounded collector of triode Q4.
2. a kind of building intellectualization ventilation equipment circuit for signal conditioning as described in claim 1, which is characterized in that the pressure stabilizing
Output circuit includes triode Q5, the base stage of the collector connecting transistor Q4 of triode Q5 and one end of resistance R9, triode Q5
Base stage connecting resistance R9 the other end and voltage-stabiliser tube D7 cathode, the emitter of the plus earth of voltage-stabiliser tube D7, triode Q5 connects
One end of resistance R10, another termination signal output port of resistance R10.
3. a kind of building intellectualization ventilation equipment circuit for signal conditioning as claimed in claim 2, which is characterized in that the signal
Input circuit includes inductance L1, one end of a termination capacitor C1 of inductance L1 and one end of resistance R1, another termination of resistance R1
Signal output port, one end of another termination capacitor C2 of inductance L1 and the base stage of triode Q1 and diode D1, diode
The cathode of D2, the other end ground connection of capacitor C1, capacitor C2, the anode of diode D1 meet power supply+5V, and the anode of diode D2 connects
Ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821388656.5U CN208871800U (en) | 2018-08-27 | 2018-08-27 | A kind of building intellectualization ventilation equipment circuit for signal conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821388656.5U CN208871800U (en) | 2018-08-27 | 2018-08-27 | A kind of building intellectualization ventilation equipment circuit for signal conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208871800U true CN208871800U (en) | 2019-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821388656.5U Active CN208871800U (en) | 2018-08-27 | 2018-08-27 | A kind of building intellectualization ventilation equipment circuit for signal conditioning |
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| Country | Link |
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| CN (1) | CN208871800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594991A (en) * | 2020-05-21 | 2020-08-28 | 美登思电气（上海）有限公司 | Air conditioner control system for communication base station and control method thereof |
-
2018
- 2018-08-27 CN CN201821388656.5U patent/CN208871800U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594991A (en) * | 2020-05-21 | 2020-08-28 | 美登思电气（上海）有限公司 | Air conditioner control system for communication base station and control method thereof |
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