CN103471464A - Multiplexed output fire control panel for unmanned aerial vehicle (UAV) and channel setting method thereof and rocket launching method - Google Patents
Multiplexed output fire control panel for unmanned aerial vehicle (UAV) and channel setting method thereof and rocket launching method Download PDFInfo
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- CN103471464A CN103471464A CN201310455726XA CN201310455726A CN103471464A CN 103471464 A CN103471464 A CN 103471464A CN 201310455726X A CN201310455726X A CN 201310455726XA CN 201310455726 A CN201310455726 A CN 201310455726A CN 103471464 A CN103471464 A CN 103471464A
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Abstract
The invention relates to a multiplexed output fire control panel for an unmanned aerial vehicle (UAV) and a channel setting method thereof and a rocket launching method, and relates to a multiplexed output fire control panel. In order to solve the problem that the current multiplexed operation can not be performed on the UAV. Each rocket electronic fuze is respectively connected with the corresponding instruction output terminal of an SCM (Single Chip Micyoco) system through m MOSFETs (Metal-Oxide -Semiconductor Field Effect Transistors), and the positive electrodes of m green status light LED1 (Light-emitting Diode) to LEDm are respectively connected with the corresponding instruction output terminal of the SCM system; the red light status instruction output terminal of the SCM system is connected with the positive electrode of a red status light LED0, and an ignition power simultaneously supplies working power to the m MOSFETs 3. The narrow-duty-cycle PWM is used as signal input, and the SCM gives a launching instruction to drive the MOSFETs to electrify the peripherals of the corresponding channel, so that the rocket launching operation of the UAV is realized. The multiplexed output fire control panel is used for aircraft rocket launching and airdrop for an unmanned airborne helicopter.
Description
Technical field
The present invention relates to a kind of multichannel output fire control plate, particularly a kind of unmanned plane multichannel output fire control plate and path setting method and method for launching rocket.
Background technology
Utilizing unmanned plane to carry out work high above the ground, scouting, fight etc. is the frontier science and technology in modern military-civil field, at aspects such as the disaster relief, anti-terrorism, wars, all has broad application prospects.In order to realize immediately controlling with task, assign, unmanned plane is provided with several remote control channels, and each channel can be supported a dataway operation.But the no-manned machine distant control channel can not infinitely increase, and majority by attitude control, flight path is controlled, data radio station etc. takies, this just requires only to use a channel to realize multilinear operation, thereby promotes the complexity of unmanned plane task, strengthens work capacity and the fighting capacity of unmanned plane.In the flight operation, the ground staff completes the operation (as fire a rocket etc.) of unmanned plane by remote control.Remote signal is the PWM ripple of a little dutycycle, and the cycle is 50Hz, and the effective pulsewidth of high level is greatly between 1ms～2ms.
But can't carry out multilinear operation on current unmanned plane, as fire a rocket, throw in goods and materials etc.
Summary of the invention
To the objective of the invention is can not carry out the problem of multilinear operation on unmanned plane in order solving at present, to the invention provides a kind of unmanned plane multichannel output fire control plate and path setting method and method for launching rocket.
Unmanned plane multichannel output fire control plate of the present invention, it comprises SCM system, remote signal receiving port, a m MOSFET pipe, a m rocket electronic fuse, priming supply, red status light LED0 and m green state lamp LED1～LEDm;
Each rocket electronic fuse is connected with the corresponding instruction output end of SCM system by m MOSFET pipe respectively, and the positive pole of m green state lamp LED1～LEDm also is connected with the corresponding instruction output end of described SCM system respectively;
The red light phase instruction output end of SCM system is connected with the positive pole of red status light LED0;
Priming supply provides work electricity power supply for m MOSFET pipe 3 simultaneously;
The acknowledge(ment) signal output of remote signal receiving port is connected with the acknowledge(ment) signal input of SCM system 1.
The path setting method of unmanned plane multichannel output fire control plate, chip ATmega8L embeds path setting software, and the course of work of described software comprises the steps:
For opening the Timer0 timer, be set as 1024 frequency divisions, Timer0 timer counter register TCNT0=0xE0 is set and makes the every 30ms of SCM system enter a T0 interruption, and set up a variable Setting_Delay=0x00 and cumulative step in T0 interrupts;
For opening Timer1 timer and interruption thereof, frequency division, do not open ICP1 input capture unit and set the step that the Timer1 timer is the rising edge triggering;
For when receive remote signal rising edge that signal input part receives be captured into, the Timer1 timer interrupts, and Timer1 timer counter register TCNT0=0x00 is set, and Timer1 Timer Controlling register TCCR1B& is set;=0xBF, the Timer1 timer changes the step that trailing edge triggers into;
For when receive remote signal trailing edge that signal input part receives be captured into, the Timer1 timer interrupts, read the value of Timer1 timer counting buffer, the value of described Timer1 timer counting buffer is multiplied by count cycle 1us, obtain effective high level pulsewidth of remote signal, Timer1 Timer Controlling register TCCR1B|=0x40 is set, and reseting the Timer1 timer is the step that rising edge triggers;
For in the described remote signal term of validity, repeating step two is to step 4, every repetition is carried out a digital filtering subprogram 20 times, described digital filtering subprogram is calculated the actual high level pulsewidth of remote signal, until withdrawing, remote signal stops combine digital filtering subprogram, and set passage activation threshold value lower limit=high level pulsewidth minimum+0xA0, set the step of the passage activation threshold value upper limit=high level pulsewidth Ji great Zhi – 0xA0;
For be added to front the arranging in window phase in 3 seconds of 0x64 as variable Setting_Delay, and the high level pulsewidth that detects remote signal is gone through once between passage activation threshold value lower limit and the passage activation threshold value upper limit and while staying on the passage activation threshold value upper limit, judge and enter the output channel preference pattern, 8 green state lamps are all lighted to the step that red status light glimmers at a slow speed simultaneously;
For be added to front the arranging in window phase in 3 seconds of 0x64 as variable Setting_Delay, the high level pulsewidth that does not detect remote signal is gone through between passage activation threshold value lower limit and the passage activation threshold value upper limit, enter normal mode of operation, a byte that is written into eeprom address 0x20 is as fire control plate output way, the time red status light keep the step of lighting;
If the high level pulsewidth for current remote signal is gone through n time between passage activation threshold value lower limit and the passage activation threshold value upper limit, judge and set the output of n road fire control plate, the step that the green state lamp of relevant position and quantity extinguishes simultaneously;
For when variable Setting_Delay is added to 0x10A, the n road fire control plate of setting is exported corresponding green state lamp flicker; And use the byte started from the 0x20 address, in EEPROM, storage fire control plate is exported the setting value of way, enters the step of normal operating conditions.
The method for launching rocket of unmanned plane multichannel output fire control plate, chip ATmega8L is embedded in rocket launching software, and the course of work of described rocket launching software comprises the steps:
For setting passage activation threshold value lower limit=high level pulsewidth minimum+0xA0, set the passage activation threshold value upper limit=high level pulsewidth Ji great Zhi – 0xA0, set the step of number Cur_No=0 of the fire control passage of current output;
Be used for working as the high level pulsewidth of the remote signal that receives the signal input part reception from lower than passage activation threshold value lower limit, being altered to the value higher than the passage activation threshold value upper limit, the number Cur_No=0 of the fire control passage of current output adds up 1, until the value of described Cur_No reaches the step of fire control plate output channel value;
For when the value of described Cur_No reaches fire control plate output channel value, Cur_No is reset to 0 step;
Open Cur_No fire control passage for driven MOS FET pipe, and light the step of corresponding green state lamp;
High level pulsewidth for the remote signal when receiving the signal input part reception becomes the value lower than passage activation threshold value lower limit again, extinguishes the step of green state lamp.
The invention has the advantages that, the present invention identifies remote signal, and carrys out many pieces of rockets of sequential transmission or carry out multilinear operation according to the high level pulsewidth.And adopt the MOSFET pipe to substitute mechanical relay, not only the transmitting response time is promoted to Millisecond, and in theory without considering the switch life problem.Simultaneously, the present invention adopts take the Design of Digital Circuit that single-chip microcomputer is core parts, utilizes ICP1 input capture unit can automatically identify effective high level pulsewidth of remote signal, can support in theory the remote control system of any type.Realization of Product the output of multilinear operation, and can self-defined output way, but still can carry out spread by demand, can realize that a road remote control channel drives multilinear operation.The recognition resolution of PWM high level pulsewidth can reach 2048, and rocket launching and activity duration are less than 1ms, and lost-control protection starts and signal is less than 20ms recovery time.
The accompanying drawing explanation
The theory diagram that Fig. 1 is unmanned plane multichannel rocket-firing system of the present invention.
The principle schematic that Fig. 2 is unmanned plane multichannel output fire control plate of the present invention.
The principle schematic that Fig. 3 is the described unmanned plane multichannel output of the specific embodiment three fire control plate.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1 and Fig. 2, present embodiment is described, the described unmanned plane multichannel output of present embodiment fire control plate,
It comprises SCM system 1, remote signal receiving port 2, a m MOSFET pipe 3, a m rocket electronic fuse 4, priming supply 5, red status light LED0 and m green state lamp LED1～LEDm;
Each rocket electronic fuse 4 is connected with the corresponding instruction output end of SCM system 1 by m MOSFET pipe 3 respectively, and the positive pole of m green state lamp LED1～LEDm also is connected with the corresponding instruction output end of described SCM system 1 respectively;
The red light phase instruction output end of SCM system 1 is connected with the positive pole of red status light LED0;
The acknowledge(ment) signal output of remote signal receiving port 2 is connected with the acknowledge(ment) signal input of SCM system 1.Remote signal receiving port 2 receives the remote signal that remote-control receiver arrives by antenna reception, the little dutycycle PWM ripple that described signal is cycle 50Hz.
Each rocket electronic fuse is connected to one piece of aircraft rocket, and any one piece of rocket all can carry out sky based on telecommand and penetrate.
The specific embodiment two: in conjunction with Fig. 3, present embodiment is described, present embodiment is the further restriction to the described unmanned plane multichannel output of the specific embodiment one fire control plate,
M=8, MOSFET pipe 3 adopts 4 MOSFET chips that model is APM9926 to realize.
In present embodiment, each MOSFET chip comprises two MOSFET pipes 3.
The operation utilization of unmanned plane applies certain voltage and drives peripheral hardware to realize at the passage two ends, as fired a rocket, apply to drive to be pressed onto on the fire in a stove before fuel is added fuse of rocket.The requirement Operating Ratio is the smaller the better, is applicable to adopting FET MOSFET as switch element.The load driving force of MOSFET is strong, and switch time is at Millisecond, and ohmic leakage minimum (can think complete conducting).With respect to traditional relay, the reliability of MOSFET is higher, in theory without considering the switch life problem.
The specific embodiment three: in conjunction with Fig. 3, present embodiment is described, present embodiment is the further restriction to the described unmanned plane multichannel output of the specific embodiment two fire control plate,
Described SCM system 1 comprises chip ATmega8L, resistance R 0-R8, resistance R s, capacitor C 0 and inductance L 1;
The PB0 pin of chip ATmega8L is for connecting the reception signal output part of remote signal receiving port 2;
The PC0 pin of chip ATmega8L is connected with an end of resistance R 1, and the other end of resistance R 1 connects 4 pin of a MOSFET chip and the positive pole of green state lamp LED1 simultaneously;
The PC1 pin of chip ATmega8L is connected with an end of resistance R 2, and the other end of resistance R 2 is for connect 2 pin of a MOSFET chip and the positive pole of green state lamp LED2 simultaneously;
The PC2 pin of chip ATmega8L is connected with an end of resistance R 3, and the other end of resistance R 3 connects 4 pin of the 2nd MOSFET chip and the positive pole of green state lamp LED3 simultaneously;
The PC3 pin of chip ATmega8L is connected with an end of resistance R 4, and the other end of resistance R 4 connects 2 pin of the 2nd MOSFET chip and the positive pole of green state lamp LED4 simultaneously;
The PD4 pin of chip ATmega8L is connected with an end of resistance R 5, and the other end of resistance R 5 connects 4 pin of the 3rd MOSFET chip and the positive pole of green state lamp LED5 simultaneously;
The PD5 pin of chip ATmega8L is connected with an end of resistance R 6, and the other end of resistance R 6 connects 2 pin of the 3rd MOSFET chip and the positive pole of green state lamp LED6 simultaneously;
The PD6 pin of chip ATmega8L is connected with an end of resistance R 7, and the other end of resistance R 7 connects 4 pin of the 4th MOSFET chip and the positive pole of green state lamp LED7 simultaneously;
The PD7 pin of chip ATmega8L is connected with an end of resistance R 8, and the other end of resistance R 8 connects 2 pin of the 4th MOSFET chip and the positive pole of green state lamp LED8 simultaneously;
The PB7 pin of chip ATmega8L is connected with an end of resistance R 0, and the other end of resistance R 0 connects the positive pole of red status light LED0;
The PC6 pin of chip ATmega8L is connected with the end of resistance R s, and the other end of resistance R s is connected with the positive pole of power supply VCC; Series capacitance C0 between the power supply ground of power supply VCC and power supply;
3 pin of chip ATmega8L, 5 pin and 21 pin are connected an end of inductance L 1 simultaneously and connect power supply ground simultaneously, and the other end of inductance L 1 is for the negative pole of tie point ignition source 5.
5 pin of the one MOSFET chip and 6 pin are connected the negative pole of first piece of rocket electronic fuse (4) simultaneously, and 1 pin of a MOSFET die and 3 pin are the negative pole of tie point ignition source 5 simultaneously;
7 pin of the one MOSFET chip and 8 pin are connected the negative pole of second piece of rocket electronic fuse (4) simultaneously;
5 pin of the 2nd MOSFET chip and 6 pin are connected the negative pole of the 3rd piece of rocket electronic fuse (4), No. 1 and the negative pole of No. 3 port tie point ignition sources (5) of the 2nd MOSFET chip simultaneously;
7 pin of the 2nd MOSFET chip and 8 pin are connected the negative pole of the 4th piece of rocket electronic fuse (4) simultaneously;
5 pin of the 3rd MOSFET chip and 6 pin are connected the negative pole of the 5th piece of rocket electronic fuse (4), No. 1 and the negative pole of No. 3 port tie point ignition sources (5) of the 3rd MOSFET chip simultaneously;
7 pin of the 3rd MOSFET chip and 8 pin are connected the negative pole of the 6th piece of rocket electronic fuse (4) simultaneously;
5 pin of the 4th MOSFET chip and 6 pin are connected the negative pole of the 7th piece of rocket electronic fuse (4), No. 1 and the negative pole of No. 3 port tie point ignition sources (5) of the 4th MOSFET chip simultaneously;
7 pin of the 4th MOSFET chip and 8 pin are connected the negative pole of the 7th piece of rocket electronic fuse (4) simultaneously;
The PB7 pin of SCM system (1) is connected with the positive pole of red status light LED0 by resistance R 0, and the negative pole of red status light LED0 connects digitally;
Ri selects the resistance that resistance is 51 Ω; R0, R1～R8 all select the resistance that resistance is 470 Ω.
Described capacitor C 0 is selected the electric capacity that the appearance value is 100nF; .
Resistance R s selects the resistance that resistance is 5.1K Ω;
The remote signal input line is white red-black three on lines, and white line is the positive and negative level that signal, red-black line are the 5v power supply.51 Ω protective resistance Ri of remote signal white line serial connection are connected into the PB0 pin of single-chip microcomputer; Red line connects the VCC pin (the 4th, 6 pin) of single-chip microcomputer, and is connected in series after a 5.1K Ω resistance RESET pin that is connected into single-chip microcomputer; Black line connects the GND pin (the 3rd, 5,21 pin) of single-chip microcomputer, and as network digitally; 104 capacitor C 0 in parallel between red line and black line.
PC0～PC3 of chip ATmega8L, PD4～PD7 pin is connected with the positive pole of 8 green state lamp LED1～LED8 by resistance R 1～R8 respectively, and the negative pole of green state lamp LED1～LED8 connects digitally.
The specific embodiment four: present embodiment is the path setting method of the described unmanned plane multichannel output of the specific embodiment three fire control plate,
Chip ATmega8L embeds path setting software, and the course of work of described software comprises the steps:
For opening the Timer0 timer, be set as 1024 frequency divisions, Timer0 timer counter register TCNT0=0xE0 is set and makes the every 30ms of SCM system enter a T0 interruption, and set up a variable Setting_Delay=0x00 and cumulative step in T0 interrupts;
For opening Timer1 timer and interruption thereof, frequency division, do not open ICP1 input capture unit and set the step that the Timer1 timer is the rising edge triggering;
For when receive remote signal rising edge that signal input part receives be captured into, the Timer1 timer interrupts, and Timer1 timer counter register TCNT0=0x00 is set, and Timer1 Timer Controlling register TCCR1B& is set;=0xBF, the Timer1 timer changes the step that trailing edge triggers into;
For when receive remote signal trailing edge that signal input part receives be captured into, the Timer1 timer interrupts, read the value of Timer1 timer counting buffer, the value of described Timer1 timer counting buffer is multiplied by count cycle 1us, obtain effective high level pulsewidth of remote signal, Timer1 Timer Controlling register TCCR1B|=0x40 is set, and reseting the Timer1 timer is the step that rising edge triggers;
For in the described remote signal term of validity, repeating step two is to step 4, every repetition is carried out a digital filtering subprogram 20 times, described digital filtering subprogram is calculated the actual high level pulsewidth of remote signal, until withdrawing, remote signal stops combine digital filtering subprogram, and set passage activation threshold value lower limit=high level pulsewidth minimum+0xA0, set the step of the passage activation threshold value upper limit=high level pulsewidth Ji great Zhi – 0xA0;
For be added to front the arranging in window phase in 3 seconds of 0x64 as variable Setting_Delay, and the high level pulsewidth that detects remote signal is gone through once between passage activation threshold value lower limit and the passage activation threshold value upper limit and while staying on the passage activation threshold value upper limit, judge and enter the output channel preference pattern, 8 green state lamps are all lighted to the step that red status light glimmers at a slow speed simultaneously;
For be added to front the arranging in window phase in 3 seconds of 0x64 as variable Setting_Delay, the high level pulsewidth that does not detect remote signal is gone through between passage activation threshold value lower limit and the passage activation threshold value upper limit, enter normal mode of operation, a byte that is written into eeprom address 0x20 is as fire control plate output way, the time red status light keep the step of lighting;
If the high level pulsewidth for current remote signal is gone through n time between passage activation threshold value lower limit and the passage activation threshold value upper limit, judge and set the output of n road fire control plate, the step that the green state lamp of relevant position and quantity extinguishes simultaneously;
For when variable Setting_Delay is added to 0x10A, the n road fire control plate of setting is exported corresponding green state lamp flicker; And use the byte started from the 0x20 address, in EEPROM, storage fire control plate is exported the setting value of way, enters the step of normal operating conditions.
The output channel set-up function of unmanned plane multichannel output fire control plate utilizes code to complete in single-chip microcomputer, is divided into signal capture, output setting and data and preserves three parts.Utilize the Timer1 timer input capture unit (ICP1) of single-chip microcomputer, by the triggering of switching signal rising edge and trailing edge, trigger to catch remote signal; Utilize the upper lower threshold value of setting signal high level pulsewidth to judge whether the fire control plate enters set model, and utilize the go through number of times of signal between upper lower threshold value to set the output way; Utilize the EEPROM of single-chip microcomputer to store the numerical value of setting way;
The specific embodiment five: present embodiment is the path setting method of the described unmanned plane multichannel output of the specific embodiment three fire control plate,
Chip ATmega8L is embedded in rocket launching software, and the course of work of described rocket launching software comprises the steps:
For setting passage activation threshold value lower limit=high level pulsewidth minimum+0xA0, set the passage activation threshold value upper limit=high level pulsewidth Ji great Zhi – 0xA0, set the step of number Cur_No=0 of the fire control passage of current output;
Be used for working as the high level pulsewidth of the remote signal that receives the signal input part reception from lower than passage activation threshold value lower limit, being altered to the value higher than the passage activation threshold value upper limit, the number Cur_No=0 of the fire control passage of current output adds up 1, until the value of described Cur_No reaches the step of fire control plate output channel value;
For when the value of described Cur_No reaches fire control plate output channel value, Cur_No is reset to 0 step;
Open Cur_No fire control passage for driven MOS FET pipe, and light the step of corresponding green state lamp;
High level pulsewidth for the remote signal when receiving the signal input part reception becomes the value lower than passage activation threshold value lower limit again, extinguishes the step of green state lamp.
In present embodiment, m=8, unmanned plane multichannel output fire control plate is not in the situation that expanded and can be launched eight pieces of rockets (or carrying out eight operations).The electronic fuse of every piece of rocket contains two lines, and First Line is the rocket firing positive pole, and the second line is the rocket firing negative pole.Utilize eight double loopers to connect as the load of eight tunnel outputs.
Adopt the APM9926MOSFET pipe to complete the emission (or driving of a plurality of loads) of many pieces of rockets as executive component.Use respectively after PC0～PC3, PD4～the PD7 pin is crossed two 470 Ω exclusions of single-chip microcomputer, drive four MOSFET pipe APM9926; The grid of APM9926 connects single-chip microcomputer and controls pin, and it is negative that source electrode connects external priming supply, and drain electrode is started to exchange fire and controlled the negative pole (second rows of eight double loopers) of plate output.
Below provide a specific implementation process in actual applications:
1, equipment connection
Multichannel output fire control plate of the present invention is connected in unmanned plane work high above the ground system.The remote signal line of selector (white red-black three looks) is inserted to any idle channel of unmanned plane receiver; Eight pieces of rocket electronic fuses on unmanned plane are plugged into to eight double loopers of multichannel output fire control plate; The single looper of independence by the rocket firing electric power connecting to multichannel output fire control plate.Notice that looper is just lower negative, as Application standard Du Pont plug, the fire control plate has the inverse inserting-preventing design.
2, remote controller is prepared
Open the emitter of unmanned controller, be control of channel allocation of grafting multichannel output fire control plate (knob and switch all can).The stroke up and down of this passage all is adjusted to 100 of acquiescence.
3, the remote-control channel stroke arranges
The unlatching that keeps remote controller transmitter, then power on to the unmanned plane receiver.The red LED indicator lamp of multichannel output fire control plate starts 3 seconds of fast blink, during this, is that the remote-control channel stroke arranges window.If never set the passage stroke before, please within this 3 second, rotate back and forth the knob of MUX grafting passage, or the switch one of this passage that fiddles with is to twice.Confirmation knob and switch have all been got to the range of both direction.Now the red LED indicator lamp of MUX becomes the double frequency flicker, and current remote-control channel stroke setting has been remembered in prompting.
Only have first this unmanned plane of use multichannel output fire control plate or changed remote control equipment or changed the passage of plugging into, just being necessary to carry out this remote-control channel stroke setting.Multichannel output fire control plate has memory function, and under other normal service conditions, if turning knob (or toggle switch) not in 3 seconds window phases after powering on, the fire control plate can load the numerical value that arranges of last time automatically.
If multichannel output fire control plate never carried out the setting of remote-control channel stroke, or loaded the setting value failure of last time, the red LED indicator lamp can glimmer continuously and healthily, until rotation path knob (or toggle switch) completes the setting of remote-control channel stroke.
After the setting of remote-control channel stroke completes, or, after window phase is set passes through, multichannel output fire control plate enters normal operating conditions, knob (or switch) position that can be corresponding according to plugged into passage, light corresponding green LED indicator lamp, emission is when the rocket of prepass simultaneously.
4, use
The power supply that guarantees the unmanned plane priming supply is effective, and the knob of remote controller passage used or switch, can aloft fire a rocket or carry out other operations.The leading portion stroke of knob (or switch first grade) correspondence stops emission, and the back segment stroke of knob (or second gear of switch) correspondence is fired a rocket.Which piece rocket what the green LED on multichannel output fire control plate also can be indicated current emission is.From practical effect, the emission rate of rocket is very fast, does not see the phenomenon that any delay is arranged.
If lost down in working order remote signal (can close on ground emitter to simulate this situation), multichannel output fire control plate is forbidden the emission of all rockets automatically, and the red LED indicator lamp continues flicker at a slow speed simultaneously, and indication has entered the lost-control protection state.If now given remote signal (can reopen emitter on ground) for change, multichannel output fire control plate can again be fired a rocket according to the position of knob (or switch) or carry out operation, recovers normal operating conditions simultaneously.This unmanned plane multichannel output fire control plate is supported the no-manned machine distant control equipment of all standards, comprises AM(amplitude modulation), FM(frequency modulation), the PCM(pulse code modulation) and 2.4G pattern.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For this person of an ordinary skill in the technical field, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the definite scope of patent protection of claims that the present invention submits to.
Claims (5)
1. unmanned plane multichannel output fire control plate, is characterized in that,
It comprises SCM system (1), remote signal receiving port (2), m MOSFET pipe (3), a m rocket electronic fuse (4), priming supply (5), red status light LED0 and m green state lamp LED1～LEDm;
Each rocket electronic fuse (4) is connected by the corresponding instruction output end of m MOSFET pipe (3) and SCM system (1) respectively, and the positive pole of m green state lamp LED1～LEDm also is connected with the corresponding instruction output end of described SCM system (1) respectively;
The red light phase instruction output end of SCM system (1) is connected with the positive pole of red status light LED0;
Priming supply (5) provides work electricity power supply for m MOSFET pipe (3) simultaneously;
The acknowledge(ment) signal output of remote signal receiving port (2) is connected with the acknowledge(ment) signal input of SCM system (1).
2. unmanned plane multichannel output fire control plate according to claim 1, is characterized in that,
M=8, MOSFET pipe (3) adopts 4 MOSFET chips that model is APM9926 to realize.
3. unmanned plane multichannel output fire control plate according to claim 2, is characterized in that,
Described SCM system (1) comprises chip ATmega8L, resistance R 0-R8, resistance R s, capacitor C 0 and inductance L 1;
The PB0 pin of chip ATmega8L is for connecting the acknowledge(ment) signal output of remote signal receiving port (2);
The PC0 pin of chip ATmega8L is connected with an end of resistance R 1, and the other end of resistance R 1 connects 4 pin of a MOSFET chip and the positive pole of green state lamp LED1 simultaneously;
The PC1 pin of chip ATmega8L is connected with an end of resistance R 2, and the other end of resistance R 2 connects 2 pin of a MOSFET chip and the positive pole of green state lamp LED2 simultaneously;
The PC2 pin of chip ATmega8L is connected with an end of resistance R 3, and the other end of resistance R 3 connects 4 pin of the 2nd MOSFET chip and the positive pole of green state lamp LED3 simultaneously;
The PC3 pin of chip ATmega8L is connected with an end of resistance R 4, and the other end of resistance R 4 connects 2 pin of the 2nd MOSFET chip and the positive pole of green state lamp LED4 simultaneously;
The PD4 pin of chip ATmega8L is connected with an end of resistance R 5, and the other end of resistance R 5 connects 4 pin of the 3rd MOSFET chip and the positive pole of green state lamp LED5 simultaneously;
The PD5 pin of chip ATmega8L is connected with an end of resistance R 6, and the other end of resistance R 6 connects 2 pin of the 3rd MOSFET chip and the positive pole of green state lamp LED6 simultaneously;
The PD6 pin of chip ATmega8L is connected with an end of resistance R 7, and the other end of resistance R 7 connects 4 pin of the 4th MOSFET chip and the positive pole of green state lamp LED7 simultaneously;
The PD7 pin of chip ATmega8L is connected with an end of resistance R 8, and the other end of resistance R 8 connects 2 pin of the 4th MOSFET chip and the positive pole of green state lamp LED8 simultaneously;
The PB7 pin of chip ATmega8L is connected with an end of resistance R 0, and the other end of resistance R 0 connects the positive pole of red status light LED0;
The PC6 pin of chip ATmega8L is connected with the end of resistance R s, and the other end of resistance R s is connected with the positive pole of power supply VCC; Series capacitance C0 between the power supply ground of power supply VCC and power supply;
3 pin of chip ATmega8L, 5 pin and 21 pin are connected an end of inductance L 1 simultaneously and connect power supply ground simultaneously, the negative pole of the other end tie point ignition source (5) of inductance L 1.
4. the path setting method of unmanned plane multichannel output fire control plate claimed in claim 3, is characterized in that, chip ATmega8L embeds path setting software, and the course of work of described software comprises the steps:
For opening the Timer0 timer, be set as 1024 frequency divisions, Timer0 timer counter register TCNT0=0xE0 is set and makes the every 30ms of SCM system enter a T0 interruption, and set up a variable Setting_Delay=0x00 and cumulative step in T0 interrupts;
For opening Timer1 timer and interruption thereof, frequency division, do not open ICP1 input capture unit and set the step that the Timer1 timer is the rising edge triggering;
For when receive remote signal rising edge that signal input part receives be captured into, the Timer1 timer interrupts, and Timer1 timer counter register TCNT0=0x00 is set, and Timer1 Timer Controlling register TCCR1B& is set;=0xBF, the Timer1 timer changes the step that trailing edge triggers into;
For when receive remote signal trailing edge that signal input part receives be captured into, the Timer1 timer interrupts, read the value of Timer1 timer counting buffer, the value of described Timer1 timer counting buffer is multiplied by count cycle 1us, obtain effective high level pulsewidth of remote signal, Timer1 Timer Controlling register TCCR1B|=0x40 is set, and reseting the Timer1 timer is the step that rising edge triggers;
For in the described remote signal term of validity, repeating step two is to step 4, every repetition is carried out a digital filtering subprogram 20 times, described digital filtering subprogram is calculated the actual high level pulsewidth of remote signal, until withdrawing, remote signal stops combine digital filtering subprogram, and set passage activation threshold value lower limit=high level pulsewidth minimum+0xA0, set the step of the passage activation threshold value upper limit=high level pulsewidth Ji great Zhi – 0xA0;
For be added to front the arranging in window phase in 3 seconds of 0x64 as variable Setting_Delay, and the high level pulsewidth that detects remote signal is gone through once between passage activation threshold value lower limit and the passage activation threshold value upper limit and while staying on the passage activation threshold value upper limit, judge and enter the output channel preference pattern, 8 green state lamps are all lighted to the step that red status light glimmers at a slow speed simultaneously;
For be added to front the arranging in window phase in 3 seconds of 0x64 as variable Setting_Delay, the high level pulsewidth that does not detect remote signal is gone through between passage activation threshold value lower limit and the passage activation threshold value upper limit, enter normal mode of operation, a byte that is written into eeprom address 0x20 is as fire control plate output way, the time red status light keep the step of lighting;
If the high level pulsewidth for current remote signal is gone through n time between passage activation threshold value lower limit and the passage activation threshold value upper limit, judge and set the output of n road fire control plate, the step that the green state lamp of relevant position and quantity extinguishes simultaneously;
For when variable Setting_Delay is added to 0x10A, the n road fire control plate of setting is exported corresponding green state lamp flicker; And use the byte started from the 0x20 address, in EEPROM, storage fire control plate is exported the setting value of way, enters the step of normal operating conditions.
5. the method for launching rocket of unmanned plane multichannel output fire control plate claimed in claim 3, is characterized in that, chip ATmega8L is embedded in rocket launching software, and the course of work of described rocket launching software comprises the steps:
For setting passage activation threshold value lower limit=high level pulsewidth minimum+0xA0, set the passage activation threshold value upper limit=high level pulsewidth Ji great Zhi – 0xA0, set the step of number Cur_No=0 of the fire control passage of current output;
Be used for working as the high level pulsewidth of the remote signal that receives the signal input part reception from lower than passage activation threshold value lower limit, being altered to the value higher than the passage activation threshold value upper limit, the number Cur_No=0 of the fire control passage of current output adds up 1, until the value of described Cur_No reaches the step of fire control plate output channel value;
For when the value of described Cur_No reaches fire control plate output channel value, Cur_No is reset to 0 step;
Open Cur_No fire control passage for driven MOS FET pipe, and light the step of corresponding green state lamp;
High level pulsewidth for the remote signal when receiving the signal input part reception becomes the value lower than passage activation threshold value lower limit again, extinguishes the step of green state lamp.
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