CN104202028A - Safety switch for small aircraft - Google Patents
Safety switch for small aircraft Download PDFInfo
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- CN104202028A CN104202028A CN201410406890.6A CN201410406890A CN104202028A CN 104202028 A CN104202028 A CN 104202028A CN 201410406890 A CN201410406890 A CN 201410406890A CN 104202028 A CN104202028 A CN 104202028A
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Abstract
The invention discloses a safety switch for a small aircraft. The safety switch for the small aircraft comprises a voltage-stabilizing module, a signal receiving module, a signal processing module, a switch, a remote controller and a battery, wherein the battery is used for supplying power for the signal receiving module and the signal processing module; the voltage-stabilizing module is respectively connected with the signal receiving module and the signal processing module; the remote controller is used for sending a signal to the signal receiving module through radio, the signal receiving module is connected with the signal processing module, the signal receiving module is used for receiving a remote-control index signal from the remote controller and sending the signal to the signal processing module; and the signal processing module is connected with the switch for controlling the on-off of the switch. The safety switch can be controlled at on or off state under PWM (pulse-width modulation) waves in different duty ratios. The safety switch is small in volume, light in mass, low in power consumption, strong in robustness and especially applied to fast turning off power supply when the small aircraft is out of operation so as to prevent the personal injury and property damage.
Description
Technical field
The invention belongs to safety device, relate in particular to a kind of small aircraft safety switch.
Background technology
Existing small aircraft adopts remote controller to control, when aircraft loses the control of remote controller power, direction, and the means of not cutting off the electricity supply reliably, thus cause small aircraft to continue flight out of control, cause the damage of personnel's property and loss.This phenomenon has caused certain risk for the practical operation of small aircraft.
Summary of the invention
In order to overcome small aircraft, cannot power-off control after out of control, thereby damnous risk the invention provides a kind of small aircraft safety switch.
The object of the invention is to be achieved through the following technical solutions: a kind of small aircraft safety switch, comprise Voltage stabilizing module, signal receiving module, signal processing module, switch, remote controller and battery, battery is to signal receiving module and signal processing module power supply; Voltage stabilizing module is connected with signal receiving module, signal processing module respectively; Remote controller is by radio to signal receiving module transmitted signal, and signal receiving module is connected with signal processing module, and signal receiving module receives the remote control index signal of remote controller, and sends signal to signal processing module; Signal processing module is connected with switch, the break-make of control switch; Described signal processing module comprises double D trigger U2, capacitor C 1, C6, C7, inductance L 1, resistance R 3, R4, adjustable potentiometer R2, light-emitting diode D2, triode Q1; Wherein, capacitor C 1 one end is connected with VCC, and the other end is connected to the ground; Capacitor C 6 one end are connected with the 1R port of double D trigger U2, and the other end is connected to the ground; Capacitor C 7 one end and inductance L 1 and resistance R 3, other end ground connection; Inductance L 1 one end is connected with the 2Q port of double D trigger, other end contact resistance R3 and capacitor C 7; One end of resistance R 3 connects inductance L 1, and the other end is connected with the base stage of triode Q1; Resistance R 4 one end are connected with VCC, and the other end is connected with light-emitting diode D2 anode; Light-emitting diode D2 anode is connected with resistance R 4 one end, and the other end is connected with 2 ports of double D trigger; The base stage contact resistance R3 of triode Q1, collector electrode is connected with the grid of PMOS pipe P-MOSFET, the PMOS pipe P-MOSFET2 of switch, grounded emitter; Center contact 2 ends of adjustable potentiometer R2 are all connected with the 1Q port of double D trigger with 1 end, and 3 ends are connected with capacitor C 6 one end; The remote control index signal that the 1CLK port of double D trigger receives, while being high level by low transition, capacitor C 6 starts charging by adjustable potentiometer R2, and the time length (threshold value) that its two ends charging voltage reaches 5V is determined by the resistance of adjustable potentiometer R2; When the duty ratio of remote control index signal is less than this threshold value, the 2Q port output high level of double D trigger, by triode Q1 conducting, the collector potential of triode Q1 is identical with emitting stage current potential, grid output low level to the PMOS pipe P-MOSFET of switch and PMOS pipe P-MOSFET2,2 port output low levels of double D trigger, light-emitting diode D2 lights, and indicator cock is in closure state; When the duty ratio of remote control index signal is greater than this threshold value, the 2Q port output low level of double D trigger, triode Q1 is turn-offed, triode Q1 is in high-impedance state, the grid that the PMOS pipe P-MOSFET of switch and PMOS are managed to P-MOSFET2 is output low level signal not, 2 port output high level of double D trigger, light-emitting diode D2 knocks out, and indicator cock is in off-state.
Described signal receiving module comprises signal receiver P1, resistance R 5; Wherein, resistance R 5 one end are connected with the signal port of signal receiver P1, and the other end is connected to the ground; The signal port of signal receiver P1 is connected with 1CLK port, the 2D port of the double D trigger of signal processing module; Positive pole is connected with VCC; Minus earth.
Described Voltage stabilizing module comprises 5V voltage stabilizing chip U1, resistance R 1, capacitor C 2, C3, C4, C5, light-emitting diode D1; Wherein, capacitor C 2 is all connected with the input port of 5V voltage stabilizing chip U1 with one end of C3, other end ground connection; Capacitor C 4 is all connected with the output port of 5V voltage stabilizing chip U1 with one end of C5, and the other end is connected to the ground; Resistance R 1 one end is connected with the output port of 5V voltage stabilizing chip U1, and the other end is connected with the anode of light-emitting diode D1; The minus earth of light-emitting diode D1; The input port of 5V voltage stabilizing chip U1 is connected with positive source, and ground port is connected to the ground, and output port output 5V voltage, supplies with signal receiving module and signal processing module.
Described switch comprises power supply wiring mouth P2, and PMOS manages P-MOSFET, and PMOS manages P-MOSFET2, resistance R 6, motor connection jaws Motor; Wherein, resistance R 6 one end are connected with 1 port of power supply wiring mouth P2, and the other end is connected with the grid of PMOS pipe P-MOSFET2 with PMOS pipe P-MOSFET; The collector electrode of the PMOS pipe grid of P-MOSFET and the triode Q1 of signal processing module is connected, and drain electrode is connected with the positive pole of motor connection jaws Motor, and source electrode is connected with the positive pole of power supply wiring mouth P2; The collector electrode of the PMOS pipe grid of P-MOSFET2 and the triode Q1 of signal processing module is connected, and drain electrode is connected with the positive pole of motor connection jaws Motor, and source electrode is connected with the positive pole of power supply wiring mouth P2; The positive pole of power supply wiring mouth P2 is connected with positive source, and negative pole is connected with power cathode with ground; The positive pole of motor connection jaws Motor is connected with the positive pole of motor, and negative pole is connected with the negative pole of ground and motor; When the grid of PMOS pipe P-MOSFET and PMOS pipe P-MOSFET2 receives low level signal, their drain electrode and source electrode are communicated with, and the positive pole of power supply wiring mouth P2 is connected with the positive pole of motor connection jaws Motor, and motor obtains the power supply of power supply and normally works; When the grid of PMOS pipe P-MOSFET and PMOS pipe P-MOSFET2 does not receive low level signal or receives high level signal, their drain electrode and source electrode disconnect, the positive pole of power supply wiring mouth P2 and the positive pole of motor connection jaws Motor are disconnected, motor loses the power supply of power supply, quits work.
The invention has the beneficial effects as follows: use the DC power supply of small aircraft, not only from having reached, the break-make of small aircraft working power is controlled, also by 5V voltage stabilizing chip, to safety switch circuit, provide working power.
Simple in structure, volume is little, lightweight, can be arranged on any one on small aircraft local and do not affect center of gravity.
Can use the P-MOSFET pipe of varying number, model according to the difference of small aircraft rotor quantity, DC power supply size, there is good robustness.
Accompanying drawing explanation
fig. 1 issmall aircraft safety switch construction schematic diagram;
Fig. 2 is the circuit diagram of signal processing module;
Fig. 3 is the circuit diagram of signal receiving module;
Fig. 4 is the circuit diagram of Voltage stabilizing module;
Fig. 5 is the circuit diagram of switch.
concrete implementation
Below in conjunction with embodiment and accompanying drawing thereof, be further described.
Below in conjunction with embodiment and accompanying drawing thereof, be further described.
As shown in Figure 1, small aircraft safety switch comprises Voltage stabilizing module, signal receiving module, signal processing module, switch, remote controller and battery, and battery is to signal receiving module and signal processing module power supply; Voltage stabilizing module is connected with signal receiving module, signal processing module respectively, for the voltage of stabilization signal receiver module, signal processing module; Remote controller, is received signal receiving module and is connected with signal processing module to signal receiving module transmitted signal by radio, and signal receiving module receives the remote control index signal of remote controller, and sends signal to signal processing module; Signal processing module is connected with switch, the break-make of control switch.
As shown in Figure 2, described signal processing module comprises double D trigger U2, capacitor C 1, C6, C7, inductance L 1, resistance R 3, R4, adjustable potentiometer R2, light-emitting diode D2, triode Q1; Wherein, capacitor C 1 one end is connected with VCC, and the other end is connected to the ground; Capacitor C 6 one end are connected with the 1R port of double D trigger U2, and the other end is connected to the ground; Capacitor C 7 one end and inductance L 1 and resistance R 3, other end ground connection; Inductance L 1 one end is connected with the 2Q port of double D trigger, other end contact resistance R3 and capacitor C 7; One end of resistance R 3 connects inductance L 1, and the other end is connected with the base stage of triode Q1; Resistance R 4 one end are connected with VCC, and the other end is connected with light-emitting diode D2 anode; Light-emitting diode D2 anode is connected with resistance R 4 one end, and the other end is connected with 2 ports of double D trigger; The base stage contact resistance R3 of triode Q1, collector electrode is connected with the grid of PMOS pipe P-MOSFET, the PMOS pipe P-MOSFET2 of switch, grounded emitter; Center contact 2 ends of adjustable potentiometer R2 are all connected with the 1Q port of double D trigger with 1 end, and 3 ends are connected with capacitor C 6 one end.The remote control index signal that the 1CLK port of double D trigger receives, while being high level by low transition, capacitor C 6 starts charging by adjustable potentiometer R2, and the time length that its two ends charging voltage reaches 5V determines by the resistance of adjustable potentiometer R2, and this time is called threshold value.When the duty ratio of remote control index signal is less than this threshold value, the 2Q port output high level of double D trigger, by triode Q1 conducting, the collector potential of triode Q1 is identical with emitting stage current potential, grid output low level to the PMOS pipe P-MOSFET of switch and PMOS pipe P-MOSFET2,2 port output low levels of double D trigger, light-emitting diode D2 lights, and indicator cock is in closure state; When the duty ratio of remote control index signal is greater than this threshold value, the 2Q port output low level of double D trigger, triode Q1 is turn-offed, triode Q1 is in high-impedance state, the grid that the PMOS pipe P-MOSFET of switch and PMOS are managed to P-MOSFET2 is output low level signal not, 2 port output high level of double D trigger, light-emitting diode D2 knocks out, and indicator cock is in off-state.
As shown in Figure 3, described signal receiving module comprises signal receiver P1, resistance R 5; Wherein, resistance R 5 one end are connected with the signal port of signal receiver P1, and the other end is connected to the ground; The signal port of signal receiver P1 is connected with 1CLK port, the 2D port of the double D trigger of signal processing module; Positive pole is connected with VCC; Minus earth.This module is powered by VCC, and resistance R 5 plays the effect of stablizing remote control index signal level, and the remote control index signal that this module output receives is to signal processing module.
As shown in Figure 4, described Voltage stabilizing module comprises 5V voltage stabilizing chip U1, resistance R 1, capacitor C 2, C3, C4, C5, light-emitting diode D1; Wherein, capacitor C 2 is all connected with the input port of 5V voltage stabilizing chip U1 with one end of C3, other end ground connection; Capacitor C 4 is all connected with the output port of 5V voltage stabilizing chip U1 with one end of C5, and the other end is connected to the ground; Resistance R 1 one end is connected with the output port of 5V voltage stabilizing chip U1, and the other end is connected with the anode of light-emitting diode D1; The minus earth of light-emitting diode D1; The input port of 5V voltage stabilizing chip U1 is connected with positive source, and ground port is connected to the ground, output port output 5V voltage, namely VCC, supplies with signal receiving module and signal processing module, as its operating voltage, light-emitting diode D1 lights, and expression Voltage stabilizing module is normally worked.
As shown in Figure 5, described switch comprises power supply wiring mouth P2, and PMOS manages P-MOSFET, and PMOS manages P-MOSFET2, resistance R 6, motor connection jaws Motor; Wherein, resistance R 6 one end are connected with 1 port of power supply wiring mouth P2, and the other end is connected with the grid of PMOS pipe P-MOSFET2 with PMOS pipe P-MOSFET; The collector electrode of the PMOS pipe grid of P-MOSFET and the triode Q1 of signal processing module is connected, and drain electrode is connected with the positive pole of motor connection jaws Motor, and source electrode is connected with the positive pole of power supply wiring mouth P2; The collector electrode of the PMOS pipe grid of P-MOSFET2 and the triode Q1 of signal processing module is connected, and drain electrode is connected with the positive pole of motor connection jaws Motor, and source electrode is connected with the positive pole of power supply wiring mouth P2; The positive pole of power supply wiring mouth P2 is connected with positive source, and negative pole is connected with power cathode with ground; The positive pole of motor connection jaws Motor is connected with the positive pole of motor, and negative pole is connected with the negative pole of ground and motor.When the grid of PMOS pipe P-MOSFET and PMOS pipe P-MOSFET2 receives low level signal, their drain electrode and source electrode are communicated with, and the positive pole of power supply wiring mouth P2 is connected with the positive pole of motor connection jaws Motor, and motor obtains the power supply of power supply and normally works; When the grid of PMOS pipe P-MOSFET and PMOS pipe P-MOSFET2 does not receive low level signal or receives high level signal, their drain electrode and source electrode disconnect, the positive pole of power supply wiring mouth P2 and the positive pole of motor connection jaws Motor are disconnected, motor loses the power supply of power supply, quits work.
Described remote controller is model airplane remote controller, comprises X2610 model, the 8CH model of JR company, the SD-10G model of SANWA company, the 6EXHP model of FUTABA company etc.
Before use, to frequently, make safety switch and remote controller to carry out communication by radio remote controller and signal receiving module;
Signal receiving module receives the remote control index signal (PWM ripple) of small aircraft remote controller, and sends signal (PWM ripple) to signal processing module; Signal processing module is according to the PWM ripple duty ratio receiving, control switch break-make; When small aircraft is in the hole, (will thrust into), the gear on adjusting remote device, makes PWM ripple duty ratio be less than threshold value, switch is disconnected, the power supply of cutting off the electricity supply completely to aircraft, and small aircraft falls, and has stopped the injury of aircraft to personnel etc.
Claims (3)
1. a small aircraft safety switch, is characterized in that, comprises Voltage stabilizing module, signal receiving module, signal processing module, switch, remote controller and battery, and battery is to signal receiving module and signal processing module power supply; Voltage stabilizing module is connected with signal receiving module, signal processing module respectively; Remote controller is by radio to signal receiving module transmitted signal, and signal receiving module is connected with signal processing module, and signal receiving module receives the remote control index signal of remote controller, and sends signal to signal processing module; Signal processing module is connected with switch, the break-make of control switch; Described signal processing module comprises double D trigger U2, capacitor C 1, C6, C7, inductance L 1, resistance R 3, R4, adjustable potentiometer R2, light-emitting diode D2, triode Q1; Wherein, capacitor C 1 one end is connected with VCC, and the other end is connected to the ground; Capacitor C 6 one end are connected with the 1R port of double D trigger U2, and the other end is connected to the ground; Capacitor C 7 one end and inductance L 1 and resistance R 3, other end ground connection; Inductance L 1 one end is connected with the 2Q port of double D trigger, other end contact resistance R3 and capacitor C 7; One end of resistance R 3 connects inductance L 1, and the other end is connected with the base stage of triode Q1; Resistance R 4 one end are connected with VCC, and the other end is connected with light-emitting diode D2 anode; Light-emitting diode D2 anode is connected with resistance R 4 one end, and the other end is connected with 2 ports of double D trigger; The base stage contact resistance R3 of triode Q1, collector electrode is connected with the grid of PMOS pipe P-MOSFET, the PMOS pipe P-MOSFET2 of switch, grounded emitter; Center contact 2 ends of adjustable potentiometer R2 are all connected with the 1Q port of double D trigger with 1 end, and 3 ends are connected with capacitor C 6 one end;
Described switch comprises power supply wiring mouth P2, and PMOS manages P-MOSFET, and PMOS manages P-MOSFET2, resistance R 6, motor connection jaws Motor; Wherein, resistance R 6 one end are connected with 1 port of power supply wiring mouth P2, and the other end is connected with the grid of PMOS pipe P-MOSFET2 with PMOS pipe P-MOSFET; The collector electrode of the PMOS pipe grid of P-MOSFET and the triode Q1 of signal processing module is connected, and drain electrode is connected with the positive pole of motor connection jaws Motor, and source electrode is connected with the positive pole of power supply wiring mouth P2; The collector electrode of the PMOS pipe grid of P-MOSFET2 and the triode Q1 of signal processing module is connected, and drain electrode is connected with the positive pole of motor connection jaws Motor, and source electrode is connected with the positive pole of power supply wiring mouth P2; The positive pole of power supply wiring mouth P2 is connected with positive source, minus earth; The positive pole of motor connection jaws Motor is connected with the positive pole of motor, minus earth;
The remote control index signal that the 1CLK port of double D trigger receives, while being high level by low transition, capacitor C 6 starts charging by adjustable potentiometer R2, and the time length (threshold value) that its two ends charging voltage reaches 5V is determined by the resistance of adjustable potentiometer R2; When the duty ratio of remote control index signal is less than this threshold value, the 2Q port output high level of double D trigger, by triode Q1 conducting, the collector potential of triode Q1 is identical with emitting stage current potential, grid output low level to the PMOS pipe P-MOSFET of switch and PMOS pipe P-MOSFET2,2 port output low levels of double D trigger, light-emitting diode D2 lights, and indicator cock is in closure state; When the grid of PMOS pipe P-MOSFET and PMOS pipe P-MOSFET2 receives low level signal, their drain electrode and source electrode are communicated with, and the positive pole of power supply wiring mouth P2 is connected with the positive pole of motor connection jaws Motor, and motor obtains the power supply of power supply and normally works; When the duty ratio of remote control index signal is greater than this threshold value, the 2Q port output low level of double D trigger, triode Q1 is turn-offed, triode Q1 is in high-impedance state, the grid that the PMOS pipe P-MOSFET of switch and PMOS are managed to P-MOSFET2 is output low level signal not, 2 port output high level of double D trigger, light-emitting diode D2 knocks out, and indicator cock is in off-state; When the grid of PMOS pipe P-MOSFET and PMOS pipe P-MOSFET2 does not receive low level signal or receives high level signal, their drain electrode and source electrode disconnect, the positive pole of power supply wiring mouth P2 and the positive pole of motor connection jaws Motor are disconnected, motor loses the power supply of power supply, quits work.
2. a kind of small aircraft safety switch according to claim 1, is characterized in that, described signal receiving module comprises signal receiver P1, resistance R 5; Wherein, resistance R 5 one end are connected with the signal port of signal receiver P1, and the other end is connected to the ground; The signal port of signal receiver P1 is connected with 1CLK port, the 2D port of the double D trigger of signal processing module, and positive pole is connected with VCC, minus earth.
3. a kind of small aircraft safety switch according to claim 1, is characterized in that, described Voltage stabilizing module comprises 5V voltage stabilizing chip U1, resistance R 1, capacitor C 2, C3, C4, C5, light-emitting diode D1; Wherein, capacitor C 2 is all connected with the input port of 5V voltage stabilizing chip U1 with one end of C3, other end ground connection; Capacitor C 4 is all connected with the output port of 5V voltage stabilizing chip U1 with one end of C5, and the other end is connected to the ground; Resistance R 1 one end is connected with the output port of 5V voltage stabilizing chip U1, and the other end is connected with the anode of light-emitting diode D1; The minus earth of light-emitting diode D1; The input port of 5V voltage stabilizing chip U1 is connected with positive source, and ground port is connected to the ground, and output port output 5V voltage, supplies with signal receiving module and signal processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406890.6A CN104202028B (en) | 2014-08-19 | 2014-08-19 | Safety switch for small aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406890.6A CN104202028B (en) | 2014-08-19 | 2014-08-19 | Safety switch for small aircraft |
Publications (2)
| Publication Number | Publication Date |
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| CN104202028A true CN104202028A (en) | 2014-12-10 |
| CN104202028B CN104202028B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410406890.6A Expired - Fee Related CN104202028B (en) | 2014-08-19 | 2014-08-19 | Safety switch for small aircraft |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116799A (en) * | 2015-08-06 | 2015-12-02 | 北京韦加航通科技有限责任公司 | Remote control switch and control method |
| CN106961267A (en) * | 2017-05-09 | 2017-07-18 | 四川巧夺天工信息安全智能设备有限公司 | A kind of jamproof on-off circuit of false-touch prevention |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376141Y (en) * | 1999-02-04 | 2000-04-26 | 张忠 | General infrared remote-control switch |
| JP2005020363A (en) * | 2003-06-26 | 2005-01-20 | Matsushita Electric Ind Co Ltd | Pulse width modulation driving device |
| CN203014993U (en) * | 2012-11-27 | 2013-06-19 | 深圳市睿碒科技有限公司 | Switching circuit controlling power source of television signal receiving circuit |
-
2014
- 2014-08-19 CN CN201410406890.6A patent/CN104202028B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2376141Y (en) * | 1999-02-04 | 2000-04-26 | 张忠 | General infrared remote-control switch |
| JP2005020363A (en) * | 2003-06-26 | 2005-01-20 | Matsushita Electric Ind Co Ltd | Pulse width modulation driving device |
| CN203014993U (en) * | 2012-11-27 | 2013-06-19 | 深圳市睿碒科技有限公司 | Switching circuit controlling power source of television signal receiving circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116799A (en) * | 2015-08-06 | 2015-12-02 | 北京韦加航通科技有限责任公司 | Remote control switch and control method |
| CN106961267A (en) * | 2017-05-09 | 2017-07-18 | 四川巧夺天工信息安全智能设备有限公司 | A kind of jamproof on-off circuit of false-touch prevention |
| CN106961267B (en) * | 2017-05-09 | 2023-05-30 | 四川巧夺天工信息安全智能设备有限公司 | Anti-misoperation anti-interference switching circuit |
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| Publication number | Publication date |
|---|---|
| CN104202028B (en) | 2017-04-12 |
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