CN206741267U - A kind of analog quantity type air-valve driver control apparatus - Google Patents
A kind of analog quantity type air-valve driver control apparatus Download PDFInfo
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- CN206741267U CN206741267U CN201720433877.9U CN201720433877U CN206741267U CN 206741267 U CN206741267 U CN 206741267U CN 201720433877 U CN201720433877 U CN 201720433877U CN 206741267 U CN206741267 U CN 206741267U
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Abstract
The utility model discloses a kind of analog quantity type air-valve driver control circuit, including MCU circuits, power circuit, motor-drive circuit, A/D input detecting circuits, D/A output circuits, feedback circuit, adaptive key circuit and state setting circuit；The input signal and output signal of each circuit are changed and controlled to the signal that described MCU circuits are used between each circuit；The power circuit is used to provide operating voltage to each circuit and each chip；The motor-drive circuit is used for the working signal for driving whole circuit；The A/D input detecting circuits are used for the input signal for providing collection, and the output signal of the D/A output circuits is used to use for external equipment；Certainly the accommodation for being used for adjustment circuit using key circuit；The utility model increases adaptation function, and the anglec of rotation is freely set the analog quantity type fan valve executor that solves that can be more perfect in actual applications, and circuit design is simple, powerful, cost is cheap.
Description
Technical field
Fan valve executor field is the utility model is related to, more particularly, to analog quantity type fan valve executor control circuit.
Background technology
Fan valve executor application is very extensive, is mainly used in hvac equipment.But in existing analog quantity type air-valve
The adjustable range of many products is smaller in actuator product, and products application environment is single, in the equipment of some particular/special requirements
Using being restricted, the product setting rate of exchange are inflexible.Can not adjustment circuit self application function, it is impossible to according to different applications will
Ask, product automatically adjusts angle stroke angles, can not meet the requirement of client.How to increase the self application function of circuit, increase
Add that to automatically adjust the scope to form angle be those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of analogue type air-valve driver control circuit, adds the adaptive of circuit
With function, the scope to form angle can be automatically adjusted according to the requirement of client, solves analog quantity type fan valve executor in reality
The anglec of rotation is freely set in the application of border, and circuit design is simple, powerful, cost is cheap.
To achieve the above object, the utility model provides following technical scheme：
A kind of analog quantity type air-valve driver control circuit, including MCU circuits, power circuit, motor-drive circuit, A/D
Input detecting circuit, D/A output circuits, feedback circuit, adaptive key circuit and state setting circuit；Described MCU
The input signal and output signal of each circuit are changed and controlled to the signal that circuit is used between each circuit；The power circuit
For providing operating voltage to each circuit and each chip；The motor-drive circuit is used to drive the work of whole circuit to believe
Number；The A/D input detecting circuits are used for analog voltage signal partial pressure, and the A/D conversions for transmitting signal to MCU circuits connect
Mouthful, gathered for MCU circuit datas, or mould electric current plan signal is converted into voltage signal or partial pressure, and transmit signal to MCU
The A/D translation interfaces of circuit, gathered for MCU circuit datas；The D/A output circuits are used for caused PWM letters in MCU circuits
D. c. voltage signal number is converted into use for external equipment；The feedback circuit is used to the signal of collection being converted into MCU
The signal that circuit can identify, send MUC circuits；The adaptive key circuit is used for the accommodation of adjustment circuit, described
State setting circuit is used for the mode of operation for setting circuit.
Preferably, the MCU circuits include MCU chip U1, resistance R10, resistance R1, electric capacity C1 and electric capacity C2；The MCU
With connecing the direct current of circuit board, MCU chip U1 pin 6 meets+5V to chip U1 pin 3, and MCU chip U1 pin 7 meets electric capacity C1
One end, the direct current of electric capacity C1 another termination circuit board, the MCU chip U1 connecting resistance R1 of pin 8 and electric capacity C2 one end,
The direct current of resistance R1 another termination+5V, electric capacity C2 a termination circuit board, the MCU chip U1 connecting resistance R10's of pin 20
One end, resistance R10 another termination+5V.
Preferably, the power circuit includes commutation diode D1, TVS pipe D4, resistance R2, resistance R3, resistance R6, electric capacity
C3, switching power source chip U2, resistance R9, resistance R8, electric capacity C5, voltage-regulator diode D2, inductance L1, electric capacity C6, power supply chip U4,
Electric capacity C8, electric capacity C10, diode D3, power interface J1；With connecing circuit board direct current, power interface draws power interface J1 pin 1
Pin 2 is by resistance R2 connection diodes D1 negative pole and TVS pipe D4 one end, TVS pipe D4 another termination circuit board direct current,
Diode D1 positive pole connects electric capacity C3 positive poles, switching power source chip U2 pin 6, resistance R3 one end and resistance R6 one end,
Electric capacity C3 negative pole is with connecing circuit board direct current；Resistance R3 other end connection power interface J1 pin 3, the resistance R6 other end
Connecting valve power supply chip U2 pin 1,7,8；Resistance R8 mono- is with terminating circuit board direct current, another to connect power supply chip U2's
One end of pin 5 and resistance R9；Resistance R9 other end connection electric capacity C6 positive pole, inductance L1 one end；Switching power source chip
With connecing circuit board direct current, switching power source chip U2 pin 3 connects electric capacity C5 one end, the electric capacity C5 other end to U2 pin 4
With connecing the direct current of circuit board；Switching power source chip U2 pin 2 connects the inductance L1 other end and diode D2 negative pole, diode
D2 positive pole is with connecing the direct current of circuit board；With connecing circuit board direct current, power supply chip U4 pin 3 connects power supply chip U4 pin 2
Electric capacity C10 one end, electric capacity C10 another termination circuit board direct current, power supply chip U4 pin 3 exports+5V, power supply chip
U4 pin 1 connects electric capacity C6 positive pole, and with connecing circuit board direct current, a termination circuit board of the electric capacity C8 is straight for electric capacity C6 negative pole
Stream ground, another termination amplifier U3A pin 4, diode D3 positive pole connect power supply chip U4 pin 1, and diode D3's is negative
Pole exports Vmotor signals.
Preferably, the power circuit be used for will exchange 24V or direct current 24V voltage conversions into direct current 15V and direct current 5V,
Carried to motor-drive circuit, feedback circuit, adaptive key circuit, state setting circuit, MCU chip U1 and amplifier U3
For operating voltage.
Preferably, the motor-drive circuit includes triode Q1-Q6, resistance R23, resistance R26, resistance R27, resistance
R21, resistance R28, resistance R25, resistance R24, resistance R22, resistance R20, electric capacity C11, electric capacity C12, electric capacity C13, amplifier
U3A, amplifier U3D, motor Motor1；Resistance R23 termination triode Q2 emitter-base bandgap grading, triode Q2 emitter-base bandgap grading and the electricity
The Vmotor signals of the diode D3 of source circuit negative pole output are connected, resistance R23 other end connecting triode Q3 collection
The base stage of electrode and triode Q2, triode Q3 base stage connecting resistance R21 one end and MCU chip U1 pin 19, triode
Q3 emitter-base bandgap grading connecting resistance R26 one end and triode Q4 emitter-base bandgap grading, resistance R26 other end connection MCU chip U1 pin 9,
Resistance R27 termination triode Q5 emitter-base bandgap grading, the negative pole of triode Q5 emitter-base bandgap grading and the diode D3 of the power circuit are defeated
The Vmotor signals gone out are connected, and triode Q5 base stage is connected with the resistance R27 other end and Q4 colelctor electrode, triode Q4
Base stage connecting resistance R28 one end and MCU chip U1 pin 18, resistance R28 another termination capacitor C13's and triode Q6
Base stage, the direct current of electric capacity C13 another termination circuit board；Triode Q5 colelctor electrode connects motor Motor1 one end and three poles
Pipe Q1 colelctor electrode, motor Motor1 another termination triode Q2 colelctor electrode and triode Q6 colelctor electrode, triode Q6
Emitter-base bandgap grading connect one end of triode Q1 emitter-base bandgap grading, resistance R25 and resistance R24, resistance R25 another termination capacitor C12 and amplification
Device U3A pin 3, electric capacity C12 and resistance the R24 other end are with all connecing circuit board direct current；Resistance R21 another termination capacitor
C11 and triode Q1 base stage, the direct current of electric capacity C11 another termination circuit board；Amplifier U3A pin 2 connects amplifier
U3A pin 1 and amplifier U3D pin 12, amplifier U3A pin 11 with connecing circuit direct, amplifier U3A pin 4
Connect electric capacity C8 one end；The amplifier U3D connecting resistance R20 of pin 13 and resistance R22, resistance R20 another termination MCU chip U1
Pin 12 and amplifier U3D pin 14, resistance R22 another termination circuit board direct current.
Preferably, the A/D input detecting circuits include TVS pipe D5, resistance R4, resistance R29, electric capacity C14, resistance R30,
Amplifier U3B, electric capacity C4, resistance R7, resistance R5；The power interface J1 connection resistance of pin 4 R4 one end and the one of resistance R29
End, another termination circuit board direct currents of resistance R4, the resistance R29 other end connects electric capacity C14, resistance R30, the one of TVS pipe D5
End, resistance R30 and TVS pipe D5 a termination power interface J1 pin 5, electric capacity C14, resistance R4 and TVS pipe the D5 other end
With connecing circuit board direct current, resistance R30 another termination amplifier U3B pin 5, amplifier U3B pin 7 and pin 6 with
Resistance R7 connects with electric capacity C4 one end, electric capacity C4 another termination circuit board direct current, resistance R7 other end connection resistance
R5 one end and MCU chip U1 pin 13, resistance R5 another termination circuit board direct current.
Preferably, the A/D input detecting circuits are used for analog voltage signal 0-10V signal partial pressures, and signal is defeated
The MCU chip U1 of MCU circuits A/D translation interfaces are given, intend signal 0- for MCU chip U1 data acquisitions, or by mould electric current
20mA signals are converted into voltage signal and partial pressure, and transmit signal to the MCU chip U1 of MCU circuits A/D translation interfaces, supply
MCU chip U1 data acquisitions are used.
Preferably, the D/A output circuits include resistance R11, electric capacity C7, resistance R12, resistance R13, amplifier U3C, electricity
Hinder R16, resistance R19；Resistance R11 connection electric capacity C7 positive pole and resistance R12 one end, resistance R11 another termination MCU chip
U1 pin 10, electric capacity C7 negative pole with connecing circuit board direct current, resistance R12 another termination amplifier U3C pin 10, amplify
The device U3C connection of pin 9 resistance R13 and resistance R16 one end, resistance R13 another termination circuit board direct current, resistance R16
Another terminating resistor R19 one end and power interface J1 pin 6, resistance R19 another termination amplifier U3C pin 8.
Preferably, caused pwm signal in MCU chip U1 is converted into 0-10V DC voltage by the D/A output circuits
Pin 6 of the signal output to power interface J1, used for external equipment.
Preferably, the feedback circuit includes potentiometer POT1, resistance R15, electric capacity C9；Potentiometer POT1 one end
Meet+5V, the direct current of another termination circuit board, centre cap connecting resistance R15 one end, the one of R15 another termination capacitor C9
End and MCU chip U1 pin 14, the direct current of electric capacity C9 another termination circuit board.
Preferably, potentiometer POT1 swing arm is connected with fan valve executor mechanical part in the feedback circuit, when
When motor driven mechanical structure rotates, potentiometer POT1 is also and then rotated therewith, at this moment the centre tapped voltages of potentiometer POT1
Value changes therewith, and the magnitude of voltage of change is conveyed to MCU chip U1 A/D conversion mouths.
Preferably, the adaptive key circuit includes：Button S1, resistance R14；Button S1 one end and circuit board direct current
Ground is connected, and the other end is connected with resistance R14 and MCU chip U1 pin 15, and the resistance R14 other end is connected with+5V.
Preferably, the adaptive key circuit presses one-touch S1 every time, and the voltage of MCU chip U1 15 pin becomes
Change once, MCU chip U1 is adaptive to judge whether to enter by detecting the voltage change of pin 15.
Preferably, the state setting circuit includes：Toggle switch S2, resistance R17, resistance R18；Toggle switch S2 3,
4 pin with connecing circuit board direct current, toggle switch S2 1 pin connecting resistance R17 one end and MCU chip U1 16 pin, toggle switch S2
2 pin resistance R18 one end and MCU chip U1 17 pin, resistance R17 and resistance R18 another termination+5V.
Preferably, the state setting circuit is by adjusting toggle switch S2 location status, to set some circuits
Mode of operation.
Pass through above-mentioned technical proposal, a kind of analog quantity type air-valve driver control circuit provided by the utility model, it has
Benefit effect be：
1. the scope to form angle can be automatically adjusted according to the requirement of client, solve analog quantity type fan valve executor and exist
The anglec of rotation freely sets in practical application.
2. total kilometres can be completed no more than 90 degree, set at any angle.Such as when client needs 0 degree of stroke to arrive
During 50 degree of angle total kilometres demand, we can allow circuit controlled motor voluntarily by the adaptive button on Triggering circuit
Complete the angle automatching of the connected product of fan valve executor.Make fan valve executor input signal and fan valve executor it is defeated
Go out the corresponding care of new number, i.e., input quantity (0-100%) is equal to output quantity (0-100%).
Brief description of the drawings
Fig. 1 is that the structural framing diagram of the utility model analog quantity type air-valve driver control circuit is intended to；
Fig. 2 is MCU electrical block diagrams of the present utility model；
Fig. 3 is power circuit of the present utility model and A/D input detecting circuit structural representations；
Fig. 4 is motor-drive circuit structural representation of the present utility model；
Fig. 5 is D/A output circuit structures schematic diagram of the present utility model；
Fig. 6 is feedback circuit structural representation of the present utility model；
Fig. 7 is adaptive key circuit structural representation of the present utility model；
Fig. 8 is state setting circuit structural representation of the present utility model；
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to shown in Fig. 1-8, a kind of analog quantity type air-valve driver control circuit, including MCU circuits, power circuit, electricity
Drive circuit, A/D input detecting circuits, D/A output circuits, feedback circuit, adaptive key circuit and state are set
Circuit；The signal conversion and control the input signal of each circuit and output to believe that described MCU circuits are used between each circuit
Number；The power circuit is used to provide operating voltage to each circuit and each chip；The motor-drive circuit is used to drive
The working signal of whole circuit；The A/D input detecting circuits are used for analog voltage signal partial pressure, and transmit signal to
The A/D translation interfaces of MCU circuits, gathered for MCU circuit datas, or mould electric current plan signal is converted into voltage signal or divided
Pressure, and the A/D translation interfaces of MCU circuits are transmitted signal to, gathered for MCU circuit datas；The D/A output circuits are used for
Caused pwm signal is converted into d. c. voltage signal for external equipment use in MCU circuits；The feedback circuit is used for will
The signal of collection is converted into the signal that MCU circuits can identify, sends MUC circuits；The adaptive key circuit is used to adjust
The accommodation of circuit, the state setting circuit are used for the mode of operation for setting circuit.
Specifically, the MCU circuits include MCU chip U1, resistance R10, resistance R1, electric capacity C1 and electric capacity C2；The MCU
With connecing the direct current of circuit board, MCU chip U1 pin 6 meets+5V to chip U1 pin 3, and MCU chip U1 pin 7 meets electric capacity C1
One end, the direct current of electric capacity C1 another termination circuit board, the MCU chip U1 connecting resistance R1 of pin 8 and electric capacity C2 one end,
The direct current of resistance R1 another termination+5V, electric capacity C2 a termination circuit board, the MCU chip U1 connecting resistance R10's of pin 20
One end, resistance R10 another termination+5V.
Further, the MCU chip U1 is MB95F564K.
Specifically, the power circuit includes commutation diode D1, TVS pipe D4, resistance R2, resistance R3, resistance R6, electric capacity
C3, switching power source chip U2, resistance R9, resistance R8, electric capacity C5, voltage-regulator diode D2, inductance L1, electric capacity C6, power supply chip U4,
Electric capacity C8, electric capacity C10, diode D3, power interface J1；With connecing circuit board direct current, power interface draws power interface J1 pin 1
Pin 2 is by resistance R2 connection diodes D1 negative pole and TVS pipe D4 one end, TVS pipe D4 another termination circuit board direct current,
Diode D1 positive pole connects electric capacity C3 positive poles, switching power source chip U2 pin 6, resistance R3 one end and resistance R6 one end,
Electric capacity C3 negative pole is with connecing circuit board direct current；Resistance R3 other end connection power interface J1 pin 3, the resistance R6 other end
Connecting valve power supply chip U2 pin 1,7,8；Resistance R8 mono- is with terminating circuit board direct current, another to connect power supply chip U2's
One end of pin 5 and resistance R9；Resistance R9 other end connection electric capacity C6 positive pole, inductance L1 one end；Switching power source chip
With connecing circuit board direct current, switching power source chip U2 pin 3 connects electric capacity C5 one end, the electric capacity C5 other end to U2 pin 4
With connecing the direct current of circuit board；Switching power source chip U2 pin 2 connects the inductance L1 other end and diode D2 negative pole, diode
D2 positive pole is with connecing the direct current of circuit board.With connecing circuit board direct current, power supply chip U4 pin 3 connects power supply chip U4 pin 2
Electric capacity C10 one end, electric capacity C10 another termination circuit board direct current, power supply chip U4 pin 3 exports+5V, power supply chip
U4 pin 1 connects electric capacity C6 positive pole, and with connecing circuit board direct current, a termination circuit board of the electric capacity C8 is straight for electric capacity C6 negative pole
Stream ground, another termination amplifier U3A pin 4, diode D3 positive pole connect power supply chip U4 pin 1, and diode D3's is negative
Pole exports Vmotor signals.
Further, the power circuit is used to exchange 24V or direct current 24V voltage conversions into direct current 15V and direct current
5V, to motor-drive circuit, feedback circuit, adaptive key circuit, state setting circuit, MCU chip U1 and amplifier
U3 provides operating voltage.
Further, the switching power source chip U2 is MC34063, and power supply chip U4 is 78L05.
Specifically, the motor-drive circuit includes triode Q1-Q6, resistance R23, resistance R26, resistance R27, resistance
R21, resistance R28, resistance R25, resistance R24, resistance R22, resistance R20, electric capacity C11, electric capacity C12, electric capacity C13, amplifier
U3A, amplifier U3D；Resistance R23 termination triode Q2 emitter-base bandgap grading, triode Q2 emitter-base bandgap grading and the two of the power circuit
The Vmotor signals of pole pipe D3 negative pole output are connected, resistance R23 other end connecting triode Q3 colelctor electrode and three poles
Pipe Q2 base stage, triode Q3 base stage connecting resistance R21 one end and MCU chip U1 pin 19, triode Q3 emitter-base bandgap grading connect
Resistance R26 one end and triode Q4 emitter-base bandgap grading, resistance R26 other end connection MCU chip U1 pin 9, the one of resistance R27
Triode Q5 emitter-base bandgap grading is terminated, triode Q5 emitter-base bandgap grading and the Vmotor of the diode D3 of power circuit negative pole output believe
Number it is connected, triode Q5 base stage is connected with the resistance R27 other end and Q4 colelctor electrode, triode Q4 base stage connecting resistance
R28 one end and MCU chip U1 pin 18, resistance R28 another termination capacitor C13 and triode Q6 base stage, electric capacity C13
Another termination circuit board direct current；Triode Q5 colelctor electrode connects motor motor1 one end and triode Q1 current collection
Pole, motor motor1 another termination triode Q2 colelctor electrode and triode Q6 colelctor electrode, triode Q6 emitter-base bandgap grading connect three
One end of pole pipe Q1 emitter-base bandgap grading, resistance R25 and resistance R24, resistance R25 another termination capacitor C12 and amplifier U3A pin
3, electric capacity C12 and resistance the R24 other end are with all connecing circuit board direct current；Resistance R21 another termination capacitor C11 and triode Q1
Base stage, the direct current of electric capacity C11 another termination circuit board；Amplifier U3A pin 2 connects amplifier U3A pin 1 and put
Big device U3D pin 12, with connecing circuit direct, amplifier U3A pin 4 connects electric capacity C8 one end to amplifier U3A pin 11；
The amplifier U3D connecting resistance R20 of pin 13 and resistance R22, resistance R20 another termination MCU chip U1 pin 12 and amplification
Device U3D pin 14, resistance R22 another termination circuit board direct current.
Further, the amplifier U3 is LM324.
Specifically, the A/D input detecting circuits include TVS pipe D5, resistance R4, resistance R29, electric capacity C14, resistance R30,
Amplifier U3B, electric capacity C4, resistance R7, resistance R5；The power interface J1 connection resistance of pin 4 R4 one end and the one of resistance R29
End, another termination circuit board direct currents of resistance R4, the resistance R29 other end connects electric capacity C14, resistance R30, the one of TVS pipe D5
End, resistance R30 and TVS pipe D5 a termination power interface J1 pin 5, electric capacity C14, resistance R4 and TVS pipe the D5 other end
With connecing circuit board direct current, resistance R30 another termination amplifier U3B pin 5, amplifier U3B pin 7 and pin 6 with
Resistance R7 connects with electric capacity C4 one end, electric capacity C4 another termination circuit board direct current, resistance R7 other end connection resistance
R5 one end and MCU chip U1 pin 13, resistance R5 another termination circuit board direct current.
Further the A/D input detecting circuits are used for analog voltage signal 0-10V signal partial pressures, and signal is defeated
The MCU chip U1 of MCU circuits A/D translation interfaces are given, intend signal 0- for MCU chip U1 data acquisitions, or by mould electric current
20mA signals are converted into voltage signal and partial pressure, and transmit signal to the MCU chip U1 of MCU circuits A/D translation interfaces, supply
MCU chip U1 data acquisitions are used.
Specifically, the D/A output circuits include resistance R11, electric capacity C7, resistance R12, resistance R13, amplifier U3C, electricity
Hinder R16, resistance R19；Resistance R11 connection electric capacity C7 positive pole and resistance R12 one end, resistance R11 another termination MCU chip
U1 pin 10, electric capacity C7 negative pole with connecing circuit board direct current, resistance R12 another termination amplifier U3C pin 10, amplify
The device U3C connection of pin 9 resistance R13 and resistance R16 one end, resistance R13 another termination circuit board direct current, resistance R16
Another terminating resistor R19 one end and power interface J1 pin 6, resistance R19 another termination amplifier U3C pin 8.
Further, caused pwm signal in MCU chip U1 is converted into 0-10V direct current by the D/A output circuits
Pin 6 of the signal output to power interface J1 is pressed, is used for external equipment.
Specifically, the feedback circuit includes potentiometer POT1, resistance R15, electric capacity C9；Potentiometer POT1 one end
Meet+5V, the direct current of another termination circuit board, centre cap connecting resistance R15 one end, the one of R15 another termination capacitor C9
End and MCU chip U1 pin 14, the direct current of electric capacity C9 another termination circuit board.
Further, potentiometer POT1 swing arm is connected with fan valve executor mechanical part in the feedback circuit,
When motor driven mechanical structure rotates, potentiometer POT1 is also and then rotated therewith, at this moment the centre tapped electricity of potentiometer POT1
Pressure value changes therewith, and the magnitude of voltage of change is conveyed to MCU chip U1 A/D conversion mouths.
Specifically, described adaptive key circuit includes：Button S1, resistance R14；Button S1 one end and circuit board are straight
The connection of stream ground, the other end are connected with resistance R14 and MCU chip U1 pin 15, and the resistance R14 other end is connected with+5V.
Further, the adaptive key circuit presses one-touch S1 every time, and the voltage of MCU chip U1 15 pin occurs
Once, MCU chip U1 is adaptive to judge whether to enter by detecting the voltage change of pin 15 for change.
Specifically, the state setting circuit includes：Toggle switch S2, resistance R17, resistance R18；Toggle switch S2 3,
4 pin with connecing circuit board direct current, toggle switch S2 1 pin connecting resistance R17 one end and MCU chip U1 16 pin, toggle switch S2
2 pin resistance R18 one end and MCU chip U1 17 pin, resistance R17 and resistance R18 another termination+5V.
Further, the state setting circuit is by adjusting toggle switch S2 location status, to set some circuits
Mode of operation.
A kind of analog quantity type air-valve driver control circuit provided by the utility model, it has the advantages that：
1. the scope to form angle can be automatically adjusted according to the requirement of client, solve analog quantity type fan valve executor and exist
The anglec of rotation freely sets in practical application.
2. total kilometres can be completed no more than 90 degree, set at any angle.Such as when client needs 0 degree of stroke to arrive
During 50 degree of angle total kilometres demand, we can allow circuit controlled motor voluntarily by the adaptive button on Triggering circuit
Complete the angle automatching of the connected product of fan valve executor.Make fan valve executor input signal and fan valve executor it is defeated
Go out the corresponding care of new number, i.e., input quantity (0-100%) is equal to output quantity (0-100%).
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of analog quantity type air-valve driver control circuit, it is characterised in that including MCU circuits, power circuit, motor driving
Circuit, A/D input detecting circuits, D/A output circuits, feedback circuit, adaptive key circuit and state setting circuit；Institute
The input signal and output signal of each circuit are changed and controlled to the signal that the MCU circuits stated are used between each circuit；It is described
Power circuit is used to provide operating voltage to each circuit and each chip；The motor-drive circuit is used to drive whole circuit
Working signal；The A/D input detecting circuits are used for analog voltage signal partial pressure, and transmit signal to MCU circuits
A/D translation interfaces, gathered for MCU circuit datas, or mould electric current is intended into signal and is converted into voltage signal or partial pressure, and by signal
The A/D translation interfaces of MCU circuits are conveyed to, are gathered for MCU circuit datas；The D/A output circuits are used in MCU circuits produce
Raw pwm signal is converted into d. c. voltage signal and used for external equipment；The feedback circuit is used for the signal of collection
The signal that MCU circuits can identify is converted into, sends MUC circuits；The adaptive key circuit is used for the adaptation of adjustment circuit
Scope, the state setting circuit are used for the mode of operation for setting circuit.
2. analog quantity type air-valve driver control circuit according to claim 1, it is characterised in that the MCU circuits bag
Include MCU chip U1, resistance R10, resistance R1, electric capacity C1 and electric capacity C2；The pin 3 of the MCU chip U1 connects the direct current of circuit board
Ground, MCU chip U1 pin 6 meet+5V, and MCU chip U1 pin 7 connects electric capacity C1 one end, electric capacity C1 another termination circuit
The direct current of plate, the MCU chip U1 connecting resistance R1 of pin 8 and electric capacity C2 one end, resistance R1 another termination+5V, electric capacity C2
A termination circuit board direct current, the MCU chip U1 connecting resistance R10 of pin 20 one end, resistance R10 another termination+5V.
3. analog quantity type air-valve driver control circuit according to claim 2, it is characterised in that the power circuit bag
Include commutation diode D1, TVS pipe D4, resistance R2, resistance R3, resistance R6, electric capacity C3, switching power source chip U2, resistance R9, resistance
R8, electric capacity C5, voltage-regulator diode D2, inductance L1, electric capacity C6, power supply chip U4, electric capacity C8, electric capacity C10, diode D3, power supply
Interface J1；With connecing circuit board direct current, power interface pin 2 passes through resistance R2 connection diodes D1's to power interface J1 pin 1
One end of negative pole and TVS pipe D4, TVS pipe D4 another termination circuit board direct current, diode D1 positive pole connect electric capacity C3 positive poles,
Switching power source chip U2 pin 6, resistance R3 one end and resistance R6 one end, electric capacity C3 negative pole is with connecing circuit board direct current；
Resistance R3 other end connection power interface J1 pin 3, resistance R6 other end connecting valve power supply chip U2 pin 1,
7、8；The termination circuit board direct currents of resistance R8 mono-, another termination power supply chip U2 pin 5 and resistance R9 one end；Resistance R9's
Other end connection electric capacity C6 positive pole, inductance L1 one end；Switching power source chip U2 pin 4 with connecing circuit board direct current, switchs
The power supply chip U2 connection electric capacity of pin 3 C5 one end, the direct current of electric capacity C5 another termination circuit board；Switching power source chip
U2 pin 2 connects the inductance L1 other end and diode D2 negative pole, and diode D2 positive pole is with connecing the direct current of circuit board；Power supply
With connecing circuit board direct current, power supply chip U4 pin 3 connects electric capacity C10 one end, the electric capacity C10 other end to chip U4 pin 2
With connecing circuit board direct current, power supply chip U4 pin 3 exports+5V, and power supply chip U4 pin 1 connects electric capacity C6 positive pole, electric capacity
With connecing circuit board direct current, the one of the electric capacity C8 with terminating circuit board direct current for C6 negative pole, another termination amplifier U3A pin
4th, diode D3 positive pole connects power supply chip U4 pin 1, diode D3 negative pole output Vmotor signals.
4. analog quantity type air-valve driver control circuit according to claim 3, it is characterised in that the motor driving electricity
Road includes triode Q1-Q6, resistance R23, resistance R26, resistance R27, resistance R21, resistance R28, resistance R25, resistance R24, electricity
Hinder R22, resistance R20, electric capacity C11, electric capacity C12, electric capacity C13, amplifier U3A, amplifier U3D, motor Motor1；Resistance R23
A termination triode Q2 emitter-base bandgap grading, triode Q2 emitter-base bandgap grading and the diode D3 of power circuit negative pole output
Vmotor signals are connected, resistance R23 other end connecting triode Q3 colelctor electrode and triode Q2 base stage, triode Q3
Base stage connecting resistance R21 one end and MCU chip U1 pin 19, triode Q3 emitter-base bandgap grading connecting resistance R26 one end and three poles
Pipe Q4 emitter-base bandgap grading, resistance R26 other end connection MCU chip U1 pin 9, resistance R27 termination triode Q5 emitter-base bandgap grading,
The Vmotor signals that triode Q5 emitter-base bandgap grading exports with the diode D3 of power circuit negative pole are connected, triode Q5's
Base stage is connected with the resistance R27 other end and Q4 colelctor electrode, triode Q4 base stage connecting resistance R28 one end and MCU chip
U1 pin 18, resistance R28 another termination capacitor C13 and triode Q6 base stage, electric capacity C13 another termination circuit board
Direct current；Triode Q5 colelctor electrode connects motor Motor1 one end and triode Q1 colelctor electrode, and motor Motor1's is another
Triode Q2 colelctor electrode and triode Q6 colelctor electrode are terminated, triode Q6 emitter-base bandgap grading connects triode Q1 emitter-base bandgap grading, resistance
R25 and resistance R24 one end, resistance R25 another termination capacitor C12 and amplifier U3A pin 3, electric capacity C12 and resistance
The R24 other end is with all connecing circuit board direct current；Resistance R21 another termination capacitor C11 and triode Q1 base stage, electric capacity C11
Another termination circuit board direct current；Amplifier U3A pin 2 connects amplifier U3A pin 1 and amplifier U3D pin
With connecing circuit direct, amplifier U3A pin 4 connects electric capacity C8 one end to 12, amplifier U3A pin 11；Amplifier U3D's draws
The connecting resistance R20 of pin 13 and resistance R22, resistance R20 another termination MCU chip U1 pin 12 and amplifier U3D pin 14,
Resistance R22 another termination circuit board direct current.
5. analog quantity type air-valve driver control circuit according to claim 4, it is characterised in that the A/D inputs inspection
Slowdown monitoring circuit includes TVS pipe D5, resistance R4, resistance R29, electric capacity C14, resistance R30, amplifier U3B, electric capacity C4, resistance R7, resistance
R5；Power interface J1 pin 4 connects resistance R4 one end and resistance R29 one end, another termination circuit board direct currents of resistance R4
Ground, resistance R29 other end connection electric capacity C14, resistance R30, TVS pipe D5 one end, resistance R30 and TVS pipe D5 a termination
Power interface J1 pin 5, with connecing circuit board direct current, resistance R30's is another for electric capacity C14, resistance R4 and TVS pipe the D5 other end
One termination amplifier U3B pin 5, amplifier U3B pin 7 and pin 6 are connected with resistance R7 and electric capacity C4 one end, electric capacity
C4 another termination circuit board direct current, resistance R7 other end connection resistance R5 one end and MCU chip U1 pin 13, electricity
With hindering R5 another termination circuit board direct current.
6. analog quantity type air-valve driver control circuit according to claim 5, it is characterised in that the D/A outputs electricity
Road includes resistance R11, electric capacity C7, resistance R12, resistance R13, amplifier U3C, resistance R16, resistance R19；Resistance R11 connections electricity
Hold C7 positive pole and resistance R12 one end, resistance R11 another termination MCU chip U1 pin 10, electric capacity C7 negative pole connects electricity
Road plate direct current, resistance R12 another termination amplifier U3C pin 10, amplifier U3C pin 9 connects resistance R13 and electricity
Resistance R16 one end, resistance R13 another termination circuit board direct current, resistance R16 another terminating resistor R19 one end and electricity
Source interface J1 pin 6, resistance R19 another termination amplifier U3C pin 8.
7. analog quantity type air-valve driver control circuit according to claim 6, it is characterised in that the position feedback electricity
Road includes potentiometer POT1, resistance R15, electric capacity C9；A potentiometer POT1 termination+5V, the direct current of another termination circuit board,
Centre cap connecting resistance R15 one end, R15 another termination capacitor C9 one end and MCU chip U1 pin 14, electric capacity C9
Another termination circuit board direct current.
8. analog quantity type air-valve driver control circuit according to claim 7, it is characterised in that described adaptively presses
Key circuit includes：Button S1, resistance R14；A button S1 termination circuit board direct current, the other end and resistance R14 and MCU chip
U1 pin 15 is connected, and the resistance R14 other end is connected with+5V.
9. analog quantity type air-valve driver control circuit according to claim 8, it is characterised in that the state sets electricity
Road includes：Toggle switch S2, resistance R17, resistance R18；Toggle switch S2 3,4 pin with connecing circuit board direct current, toggle switch S2
1 pin connecting resistance R17 one end and MCU chip U1 16 pin, toggle switch S2 2 pin resistance R18 one end and MCU chip U1
17 pin, resistance R17 and resistance R18 another termination+5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433877.9U CN206741267U (en) | 2017-04-24 | 2017-04-24 | A kind of analog quantity type air-valve driver control apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433877.9U CN206741267U (en) | 2017-04-24 | 2017-04-24 | A kind of analog quantity type air-valve driver control apparatus |
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| Publication Number | Publication Date |
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| CN206741267U true CN206741267U (en) | 2017-12-12 |
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| CN201720433877.9U Expired - Fee Related CN206741267U (en) | 2017-04-24 | 2017-04-24 | A kind of analog quantity type air-valve driver control apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812944A (en) * | 2019-03-20 | 2019-05-28 | 杭州市地铁集团有限责任公司运营分公司 | A kind of ventilation and air conditioning system air-valve control circuit board |
-
2017
- 2017-04-24 CN CN201720433877.9U patent/CN206741267U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812944A (en) * | 2019-03-20 | 2019-05-28 | 杭州市地铁集团有限责任公司运营分公司 | A kind of ventilation and air conditioning system air-valve control circuit board |
| CN109812944B (en) * | 2019-03-20 | 2023-12-01 | 杭州地铁运营有限公司 | Air valve control circuit board of ventilation air conditioning system |
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| CF01 | Termination of patent right due to non-payment of annual fee |