CN208731209U - A kind of control stick communication control system - Google Patents

A kind of control stick communication control system Download PDF

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Publication number
CN208731209U
CN208731209U CN201821461612.0U CN201821461612U CN208731209U CN 208731209 U CN208731209 U CN 208731209U CN 201821461612 U CN201821461612 U CN 201821461612U CN 208731209 U CN208731209 U CN 208731209U
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CN
China
Prior art keywords
amplifier
resistance
input terminal
inverting input
capacitor
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Expired - Fee Related
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CN201821461612.0U
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Chinese (zh)
Inventor
王敏
刘洋
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Chengdu Zhihang Flying Science And Technology Co Ltd
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Chengdu Zhihang Flying Science And Technology Co Ltd
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Abstract

The utility model discloses a kind of control stick communication control systems, it include: the force snesor being connect with control stick, it further include the signal conditioning circuit connect with force snesor lotus root, the signal conditioning circuit includes: external power supply, the first amplifier, first resistor, second resistance, 3rd resistor, first capacitor, the 5th resistance, the 6th resistance, the 7th resistance, the second amplifier, eleventh resistor, the 8th resistance, the 9th resistance, the tenth resistance, third amplifier and third capacitor;Pass through the signal conditioning circuit, the voltage signal for acquiring force sensor is sufficiently large, the size of power on control stick can more accurately be measured, improve the detection accuracy of force snesor, the signal conditioning circuit improves the amplification factor of circuit using multistage amplification simultaneously, the strong antijamming capability of circuit, circuit stability is high, and the signal distortion of circuit output voltage is small.

Description

A kind of control stick communication control system
Technical field
The utility model belongs to technical field of flight control, and in particular to a kind of control stick communication control system.
Background technique
Flight control system transmit control command, driving rudder face and other in relation to device to control flight status and appearance All components of state can be divided into manual flight control system and automatic flight control system according to the source of control command.Wherein Sensor of the control command of automatic flight control system from system can make a response automatically to extraneous disturbance, instead of flying The driver of office staff, aircraft or other aircrafts.
Using in the automatic flight control system of sensor, the detection and processing of the signal of sensor acquisition play very heavy The effect wanted, for the order of accuarcy of input signal by the performance for the system that directly affects, the order of accuarcy for controlling signal also determines behaviour The size of vertical pole power, therefore should more optimize on the hardware circuit of Signal acquiring and processing to improve the essence of sensor detection Degree, to guarantee normally completing for flight, it is ensured that the life security of passenger.
Utility model content
To overcome technological deficiency of the existing technology, the utility model discloses a kind of control stick communication control systems.
Technical solution adopted by the utility model to solve its technical problems is a kind of control stick communication control system, packets Include: the force snesor connecting with control stick further includes the signal conditioning circuit connect with force snesor lotus root, the signal conditioning circuit It include: external power supply, the first amplifier, first resistor, second resistance, 3rd resistor, first capacitor, the 5th resistance, the 6th electricity Resistance, the 7th resistance, the second amplifier, eleventh resistor, the 8th resistance, the 9th resistance, the tenth resistance, third amplifier and third Capacitor;The input terminal of the force snesor connects external power supply, and the signal output end of force snesor connects the anti-of the first amplifier Phase input terminal, non-inverting input terminal and the ground terminal ground connection of the first amplifier, the power end of the first amplifier connect external power supply, the First resistor and second resistance, first resistor and the second electricity are connected in series between the inverting input terminal and output end of one amplifier The common end of resistance is grounded by 3rd resistor, and the first electricity is also connected between the inverting input terminal and output end of the first amplifier Hold, the output end of the first amplifier connects the inverting input terminal of the second amplifier, and the non-inverting input terminal of the second amplifier passes through the 11 resistance connect the output end of third amplifier, and the inverting input terminal of the second amplifier also passes through the 7th resistance connection second and puts The output end of big device, the power end of the second amplifier connect external power supply, the ground terminal ground connection of the second amplifier, and the 5th resistance is Slide rheostat, the inverting input terminal of the second amplifier also pass through the 6th resistance connect the 5th resistance the adjustable end of sliding, the 5th One end of resistance connects external power supply, and the other end ground connection of the 5th resistance, the 8th resistance is slide rheostat, the second amplifier For output end by concatenated 8th resistance and the 9th resistance eutral grounding, the adjustable end of sliding of the 8th resistance passes through the tenth resistance connection the The inverting input terminal of three amplifiers, the non-inverting input terminal ground connection of third amplifier, the ground terminal ground connection of third amplifier, third are put The power end of big device connects external power supply, and the inverting input terminal of third amplifier passes through the defeated of third capacitance connection third amplifier Outlet.
Preferably, the output end of first amplifier is also connected with the first end of the second capacitor, and the second capacitor second end connects The inverting input terminal of the second amplifier is connect, the second end of the second capacitor also passes through the 4th resistance eutral grounding.
Preferably, the chip model that first amplifier uses is AD745JR.
Preferably, the chip model of second amplifier and third amplifier is OP07.
Preferably, the output end of the third amplifier is also connected with the non-inverting input terminal of the 4th amplifier, the 4th amplifier Inverting input terminal the output end of the 4th amplifier is connected by twelfth resistor, the power end of the 4th amplifier connects external electricity Source, the ground terminal ground connection of the 4th amplifier.
Preferably, the output end of the 4th amplifier also passes through the 4th capacity earth.
Preferably, the chip model that the 4th amplifier uses is ICL7650.
The beneficial effects of the utility model are: making the voltage signal of force sensor acquisition by the signal conditioning circuit It is sufficiently large, the size of power on control stick can be more accurately measured, the detection accuracy of force snesor, while signal condition electricity are improved Road improves the amplification factor of circuit using multistage amplification, and the strong antijamming capability of circuit, circuit stability is high, circuit output electricity The signal distortion of pressure is small.
Detailed description of the invention
Fig. 1 is the circuit diagram of signal conditioning circuit described in the utility model.
Appended drawing reference: VCC- external power supply, RS- force snesor, the first amplifier of A1-, R1- first resistor, the second electricity of R2- Resistance, R3- 3rd resistor, C1- first capacitor, the second capacitor of C2-, the 4th resistance of R4-, the 5th resistance of R5-, the 6th resistance of R6-, The 7th resistance of R7-, the second amplifier of A2-, R11- eleventh resistor, the 8th resistance of R8-, the 9th resistance of R9-, the tenth electricity of R10- Resistance, A3- third amplifier, C3- third capacitor, the 4th amplifier of A4-, the 4th capacitor of C4-, R12- twelfth resistor.
Specific embodiment
More detailed description is done to the embodiments of the present invention below in conjunction with attached drawing and appended drawing reference, makes to be familiar with ability The technology people in domain can implement accordingly after studying this specification carefully.It should be appreciated that specific embodiment described herein is only to solve The utility model is released, is not used to limit the utility model.
A kind of control stick communication control system, comprising: the force snesor RS connecting with control stick further includes and force snesor The signal conditioning circuit that RS lotus root connects, the signal conditioning circuit include: external power supply VCC, the first amplifier A1, first resistor R1, second resistance R2,3rd resistor R3, first capacitor C1, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the second amplification Device A2, eleventh resistor R11, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, third amplifier A3 and third capacitor C3;The input terminal of the force snesor RS connects external power supply VCC, and the signal output end of force snesor RS connects the first amplifier The inverting input terminal of A1, non-inverting input terminal and the ground terminal ground connection of the first amplifier A1, the power end connection of the first amplifier A1 External power supply is connected in series with first resistor R1 and second resistance between the inverting input terminal and output end of the first amplifier A1 The common end of R2, first resistor R1 and second resistance R2 are grounded by 3rd resistor R3, the inverting input terminal of the first amplifier A1 First capacitor C1 is also connected between output end, the output end of the first amplifier A1 connects the anti-phase input of the second amplifier A2 End, the non-inverting input terminal of the second amplifier A2 pass through the output end of eleventh resistor R11 connection third amplifier A3, the second amplification The inverting input terminal of device A2 also passes through the output end of the 7th resistance R7 the second amplifier of connection A2, the power end of the second amplifier A2 External power supply VCC is connected, the ground terminal ground connection of the second amplifier A2, the 5th resistance R5 is slide rheostat, the second amplifier A2 Inverting input terminal also pass through the adjustable end of sliding of the 5th resistance R5 of the 6th resistance R6 connection, one end connection of the 5th resistance R5 External power supply, the other end ground connection of the 5th resistance R5, the 8th resistance R8 are slide rheostat, and the output end of the second amplifier A2 is logical Concatenated 8th resistance R8 and the 9th resistance R9 ground connection is crossed, the adjustable end of sliding of the 8th resistance R8 passes through the tenth resistance R10 connection The inverting input terminal of third amplifier A3, the non-inverting input terminal ground connection of third amplifier A3, the ground connection termination of third amplifier A3 Ground, the power end of third amplifier A3 connect external power supply, and the inverting input terminal of third amplifier A3 is connected by third capacitor C3 Connect the output end of third amplifier A3;The force snesor RS is converted to the power for acquiring the power applied on control stick Analog voltage signal output, since the voltage signal of force snesor RS acquisition is very faint, the signal conditioning circuit is micro- by this Weak analog voltage signal amplifies processing;
Specifically, the first amplifier A1 constitutes first order amplifying circuit, the first resistor R1, second resistance R2 and Three resistance R3 form T-type connection, for promoting the impedance of the first order amplifying circuit, improve the times magnification of first order amplifying circuit Number, first capacitor C1 are decoupling capacitor;
The second amplifier A2 and third amplifier A3 forms rear class amplifying circuit, and the sliding of the 5th resistance R5 becomes Device is hindered for zeroing effect, and the effect of the 8th resistance R8 and the tenth resistance R10 are to adjust amplification factor, the electricity of the 6th resistance R6 and the 9th Resistance R9 is current-limiting resistance, and the 7th resistance R7 and eleventh resistor R11 are feedback resistance, and third capacitor C3 is decoupling capacitor;Pass through The signal conditioning circuit, the voltage signal for acquiring force sensor RS is sufficiently large, can more accurately measure power on control stick Size improves the detection accuracy of force snesor RS, while the signal conditioning circuit improves the amplification of circuit using multistage amplification Multiple, the strong antijamming capability of circuit, circuit stability is high, and the signal distortion of circuit output voltage is small.
The output end of the first amplifier A1 is also connected with the first end of the second capacitor C2, the connection of the second capacitor C2 second end The inverting input terminal of second amplifier A2, the second end of the second capacitor C2 also pass through the 4th resistance R4 ground connection;Second capacitor C2 and 4th resistance R4 constitutes high-pass filter, removes interference of the low frequency signal to voltage signal, improves the anti-of the signal conditioning circuit Interference performance.
The chip model that the first amplifier A1 is used is AD745JR;AD745JR chip is hindered with very high input Anti-, leakage current is minimum, avoids leakage current from influencing the precision of force snesor RS, improves the precision of the signal conditioning circuit.
The chip model of the second amplifier A2 and third amplifier A3 are OP07;OP07 chip is a kind of low noise, The bipolar operational amplifier integrated circuit of non-chopper-zero-stabilized has low-down input offset voltage, is not required to additional zeroing Measure and input bias current is low and the high feature of open-loop gain.
The output end of the third amplifier A3 is also connected with the non-inverting input terminal of the 4th amplifier A4, the 4th amplifier A4's Inverting input terminal passes through the output end of the 4th amplifier A4 of twelfth resistor R12 connection, the 4th amplifier A4) power end connect The ground terminal of external power supply VCC, the 4th amplifier A4 are grounded;The 4th amplifier A4 constitutes voltage follower circuit, voltage It follows circuit to play buffering, isolation, improve load capacity, guarantees the signal from the third amplifier A3 voltage signal exported The distortion factor is minimum, and twelfth resistor R12 provides negative-feedback for the 4th amplifier A4, so that signal input is equal to signal and exports, reduces The output error of 4th amplifier A4.
The output end of the 4th amplifier A4 also passes through the 4th capacitor C4 ground connection;4th capacitor C4 guarantees the 4th amplifier The voltage of A4 power end will not be mutated, and keep stablizing.
The chip model that the 4th amplifier A4 is used is ICL7650;ICL7650 is high precision operating amplifier, tool Have that small input bias current, the small, high gain of imbalance, common mode inhibition capacity is strong, response is fast, drift is low, performance is stable and price is low The advantages that honest and clean.
The above content is the further descriptions made in conjunction with specific preferred embodiment to the utility model, cannot recognize Determine specific embodiment of the present utility model to be only limited to these instructions.For the common skill of the utility model technical field For art personnel, the other embodiments obtained in the case where not departing from the technical solution of the utility model be should be included in practical In novel protection scope.

Claims (7)

1. a kind of control stick communication control system, it is characterised in that: include: the force snesor (RS) being connect with control stick, also wrap Include the signal conditioning circuit connect with force snesor (RS) lotus root, the signal conditioning circuit includes: external power supply (VCC), first puts Big device (A1), first resistor (R1), second resistance (R2), 3rd resistor (R3), first capacitor (C1), the 5th resistance (R5), the Six resistance (R6), the 7th resistance (R7), the second amplifier (A2), eleventh resistor (R11), the 8th resistance (R8), the 9th resistance (R9), the tenth resistance (R10), third amplifier (A3) and third capacitor (C3);The input terminal of the force snesor (RS) connects External power supply (VCC), the inverting input terminal of the signal output end connection the first amplifier (A1) of force snesor (RS), the first amplification The non-inverting input terminal and ground terminal of device (A1) are grounded, and the power end of the first amplifier (A1) connects external power supply, the first amplifier (A1) first resistor (R1) and second resistance (R2), first resistor (R1) are connected in series between inverting input terminal and output end It is grounded with the common end of second resistance (R2) by 3rd resistor (R3), the inverting input terminal and output end of the first amplifier (A1) Between be also connected with first capacitor (C1), the anti-phase input of the output end of the first amplifier (A1) connection the second amplifier (A2) End, the non-inverting input terminal of the second amplifier (A2) connect the output end of third amplifier (A3) by eleventh resistor (R11), the The inverting input terminal of two amplifiers (A2) also passes through the output end of the 7th resistance (R7) connection the second amplifier (A2), the second amplification The power end of device (A2) connects external power supply (VCC), and the ground terminal ground connection of the second amplifier (A2), the 5th resistance (R5) is sliding Rheostat, the sliding that the inverting input terminal of the second amplifier (A2) also passes through the 6th resistance (R6) the 5th resistance (R5) of connection is adjustable End, one end of the 5th resistance (R5) connect external power supply, and the other end ground connection of the 5th resistance (R5), the 8th resistance (R8) is to slide The output end of dynamic rheostat, the second amplifier (A2) is grounded by concatenated 8th resistance (R8) and the 9th resistance (R9), and the 8th Inverting input terminal of the adjustable end of sliding of resistance (R8) by the tenth resistance (R10) connection third amplifier (A3), third amplification The non-inverting input terminal of device (A3) is grounded, the ground terminal ground connection of third amplifier (A3), the power end connection of third amplifier (A3) External power supply, the output that the inverting input terminal of third amplifier (A3) passes through third capacitor (C3) connection third amplifier (A3) End.
2. a kind of control stick communication control system as described in claim 1, it is characterised in that: first amplifier (A1) Output end is also connected with the first end of the second capacitor (C2), and the reverse phase that the second capacitor (C2) second end connects the second amplifier (A2) is defeated Enter end, the second end of the second capacitor (C2) also passes through the 4th resistance (R4) ground connection.
3. a kind of control stick communication control system as claimed in claim 2, it is characterised in that: first amplifier (A1) is adopted Chip model is AD745JR.
4. a kind of control stick communication control system as described in claim 1, it is characterised in that: second amplifier (A2) and The chip model of third amplifier (A3) is OP07.
5. a kind of control stick communication control system as claimed in claim 4, it is characterised in that: the third amplifier (A3) Output end is also connected with the non-inverting input terminal of the 4th amplifier (A4), and the inverting input terminal of the 4th amplifier (A4) passes through the 12nd electricity The output end that (R12) connects the 4th amplifier (A4) is hindered, the power end of the 4th amplifier (A4) connects external power supply (VCC), the The ground terminal of four amplifiers (A4) is grounded.
6. a kind of control stick communication control system as claimed in claim 5, it is characterised in that: the 4th amplifier (A4) Output end also passes through the 4th capacitor (C4) ground connection.
7. a kind of control stick communication control system as claimed in claim 6, it is characterised in that: the 4th amplifier (A4) is adopted Chip model is ICL7650.
CN201821461612.0U 2018-09-07 2018-09-07 A kind of control stick communication control system Expired - Fee Related CN208731209U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821461612.0U CN208731209U (en) 2018-09-07 2018-09-07 A kind of control stick communication control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821461612.0U CN208731209U (en) 2018-09-07 2018-09-07 A kind of control stick communication control system

Publications (1)

Publication Number Publication Date
CN208731209U true CN208731209U (en) 2019-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821461612.0U Expired - Fee Related CN208731209U (en) 2018-09-07 2018-09-07 A kind of control stick communication control system

Country Status (1)

Country Link
CN (1) CN208731209U (en)

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Granted publication date: 20190412

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