CN113357974A - High-precision remote laser guidance bullet - Google Patents
High-precision remote laser guidance bullet Download PDFInfo
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- CN113357974A CN113357974A CN202110753841.XA CN202110753841A CN113357974A CN 113357974 A CN113357974 A CN 113357974A CN 202110753841 A CN202110753841 A CN 202110753841A CN 113357974 A CN113357974 A CN 113357974A
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- 210000003128 head Anatomy 0.000 claims description 14
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- 230000004907 flux Effects 0.000 claims description 9
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 6
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- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
- F42B10/60—Steering arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G3/00—Aiming or laying means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
- F42B10/02—Stabilising arrangements
- F42B10/14—Stabilising arrangements using fins spread or deployed after launch, e.g. after leaving the barrel
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention discloses a high-precision remote laser guidance bullet, which comprises a bullet head and a bullet body, wherein a laser detector and a high-density load bearing material are arranged in the bullet head; the projectile body is provided with a microprocessor, a power supply, a motor, a speed reducer, a tail rudder, ammunition and a fuse; the laser detector is arranged at the front end of the bullet, when laser emitted by the laser detector irradiates on a target object, the laser is scattered in all directions after being reflected by the target, part of scattered light returns to the laser detector, the scattered light is received by the optical system and then converted into corresponding electric signals to be transmitted to the microprocessor, and the microprocessor calculates the degree of deviation of the bullet from the irradiated laser beam, so that the motor, the speed reducer and the tail rudder are controlled to play a role, the flight track is continuously adjusted, the advancing direction of the bullet is consistent with the target position, and the bullet finally hits the target. Compared with the traditional bullet, the invention has higher striking precision, larger steering power and stronger controllability, can adjust the flying posture of the bullet and prevent the bullet from rolling and deviating.
Description
Technical Field
The invention belongs to the technical field of bullet manufacturing, and particularly relates to a laser guidance bullet.
Background
With the continuous development of high and new technology, the performance of weaponry is continuously improved. The complexity of the battlefield environment places more stringent requirements on modern combat weapons. The accurate striking is very important in the military field, the rapid development, maturity and breakthrough of modern high technology such as microelectronic technology and the like provide necessary conditions for the accurate guidance of small and medium caliber weapons.
The bullet with high controllability, high precision and strong maneuvering capability is realized, the key technology is selection of a guidance mode, and the existing guidance modes are three types: GPS guidance, infrared guidance and laser guidance. In the three guidance modes, the GPS guidance is influenced by the signal transmission performance, so that the reliability is not high in the actual application process; the infrared guidance requires that the target generates an infrared signal to attack the target, has larger limitation, and has strong anti-interference performance compared with the former two guidance modes, and the laser guidance cannot be influenced by weather, wind speed and target movement.
Conventional bullets are not maneuverable after being fired and once fired, they can only fly along a straight or parabolic trajectory. Meanwhile, after the bullet is given an initial speed and is ejected from the muzzle, the flying process is also subjected to external force action such as gravity, air resistance and the like, the flying track of the bullet generates uncontrollable offset relative to the target position, and the longer the target distance is, the more obvious the external force action is, the larger the error is; meanwhile, the moving speed of the target and the mechanical precision of the gun are considered, influence factors such as wind speed and air humidity are required to be comprehensively considered before shooting, and parameters such as optimal muzzle deflection angle and elevation angle are set so as to improve the hit rate.
Therefore, in consideration of multiple errors in the flying process of the bullet, in order to improve the accurate hit rate of the bullet, the invention provides the accurate laser guidance bullet which has strong target tracking capability, flexible and controllable flying direction, high accuracy, small volume and high reliability and is used for assault rifles, sniper guns and the like, can be used in the military field, realizes high-efficiency striking on targets, including static targets, low-speed moving targets, high-speed moving targets and targets with rapidly changed postures, and particularly can be applied to military instruments such as sniper rifles and the like which need accurate striking on the targets at a time.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a high-precision remote laser guidance bullet which comprises a bullet head and a bullet body, wherein a laser detector and a high-density load bearing material are arranged in the bullet head; the projectile body is provided with a microprocessor, a power supply, a motor, a speed reducer, a tail rudder, ammunition and a fuse; the laser detector is arranged at the front end of the bullet, when laser emitted by the laser detector irradiates on a target object, the laser is scattered in all directions after being reflected by the target, part of scattered light returns to the laser detector, the scattered light is received by the optical system and then converted into corresponding electric signals to be transmitted to the microprocessor, and the microprocessor calculates the degree of deviation of the bullet from the irradiated laser beam, so that the motor, the speed reducer and the tail rudder are controlled to play a role, the flight track is continuously adjusted, the advancing direction of the bullet is consistent with the target position, and the bullet finally hits the target. Compared with the traditional bullet, the invention has higher striking precision, larger steering power and stronger controllability, can adjust the flying posture of the bullet and prevent the bullet from rolling and deviating.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a high-precision remote laser guidance bullet comprises a bullet head, a bullet body and a bullet body connector; the bullet is conical, and a laser detector and a high-density load bearing material are arranged in the bullet; the projectile body is cylindrical and comprises a projectile shell, an A/D conversion module, a fastening sleeve, a microprocessor, a power supply, a motor, a speed reducer, a tail rudder, an ammunition storage chamber and a fuse;
the warhead and the warbody are mechanically connected through the warhead and the warbody connector;
the laser detector is arranged at the front end of the bullet, and a piece of high-density load bearing material is arranged at the rear end of the bullet;
the fastening sleeve, the microprocessor, the power supply, the motor, the speed reducer, the tail rudder, the ammunition storage chamber and the fuse are all positioned in the bullet shell, and the microprocessor, the power supply, the motor, the speed reducer, the tail rudder, the ammunition storage chamber and the fuse are sequentially arranged behind the bullet and bullet connector; the fastening sleeve is arranged outside the microprocessor, the power supply, the motor and the speed reducer and used for enhancing the safety and reliability of the shot bullet;
when the bullet is excited in the gun chamber, the firing pin impacts the bullet, the fuse and the ammunition storage chamber start to work, acceleration is provided for the bullet, and the bullet is ejected from the gun chamber;
the laser detector is electrically connected with the microprocessor, and emits laser in the bullet flying process and senses a laser signal reflected from a hit target so as to obtain the line-of-sight angle information of the bullet; the laser detector converts the line-of-sight angle information of the bullet eyes into digital signals through the A/D conversion module and inputs the digital signals into the microprocessor, the microprocessor calculates the digital signals to generate a control instruction of the motor and control the motor to work, and the motor drives the speed reducer and the tail vane; the tail rudder adjusts the opening and closing degree and the opening and closing speed of the tail rudder wing pieces in real time according to the visual line angle of the bullet eyes, controls the hitting direction and speed of the ejected bullet together with the speed reducer, continuously adjusts the flight track, enables the advancing direction of the bullet head to be consistent with the target position, and finally hits the target.
Further, the bullet eye line of sight angle refers to the line of sight angle between the bullet and the target.
Further, the laser detector comprises a seeker optical system and a four-quadrant photoelectric detector; the seeker optical system emits laser, after the laser is reflected by the target, the reflected laser presents a circular laser spot on the four-quadrant photoelectric detector through the seeker optical system, then the offset and the offset of the target relative to the optical axis are detected according to the position of the circular laser spot on the four-quadrant photoelectric detector, the target position is further detected, and the bullet sight line angle information is obtained.
Furthermore, the four-quadrant photodetector is a photodetector formed by arranging four identical photodiodes according to a rectangular coordinate, a circular laser spot appearing on the four-quadrant photodetector by a reflected laser beam is evenly divided into four parts in four quadrants of the photodetector, when a target is not deviated from an optical axis of the seeker optical system, the radiant fluxes of the circular laser spots obtained by the quadrants of the four-quadrant photodetector are 1/4 of the total radiant flux, that is, the photocurrents output by the quadrants are equal; when the target deviates from the optical axis of the optical system of the seeker, the radiant flux of the circular laser spots obtained by each quadrant is unequal, so that the photocurrent output by each quadrant is unequal, and the positions of the spots in the four quadrants are calculated according to the magnitude of the photocurrent, so that the target azimuth is obtained.
Furthermore, the laser detector amplifies the signal of the line-of-sight angle information of the bullet eyes through an amplifier in the laser detector and converts the signal into an electric signal, and then the electric signal is converted into a digital signal for processing by the microprocessor through the A/D conversion module.
Furthermore, the motor, the speed reducer and the tail vane are sequentially and coaxially connected, a shaft of the motor extends into the circular slot of the speed reducer, and sawteeth are engraved on a motor shaft and the edge of the circular slot of the speed reducer, so that the motor and the speed reducer are firmly connected; similarly, the shaft of the speed reducer extends into the circular slot of the tail rudder, and sawteeth are engraved on the shaft of the speed reducer and the edge of the circular slot of the tail rudder, so that the speed reducer and the tail rudder are firmly connected.
Furthermore, the A/D conversion module is electrically connected with the microprocessor; the power supply supplies power to the A/D conversion module, the microprocessor and the motor.
A guidance method of a high-precision remote laser guidance bullet comprises the following steps:
step 1: the bullet is excited in the gun cavity, the firing pin impacts the bullet, the fuse and the ammunition storage chamber start to work, acceleration is provided for the bullet, and the bullet is ejected from the gun cavity;
step 2: in the bullet flying process, the laser detector emits laser to sense a laser signal reflected from a hit target, so that the line-of-sight angle information of a bullet is obtained;
and step 3: the laser detector converts the line-of-sight angle information of the bullet eyes into digital signals through the A/D conversion module and inputs the digital signals into the microprocessor, the microprocessor calculates the digital signals to generate a motor control instruction and control the motor to work, and the motor drives the speed reducer and the tail rudder;
and 4, step 4: the tail rudder adjusts the opening and closing degree and the opening and closing speed of the tail rudder wing pieces in real time according to the visual line angle of the bullet eyes, controls the hitting direction and speed of the ejected bullet together with the speed reducer, and continuously adjusts the flight track to enable the advancing direction of the bullet head to be consistent with the target position, and finally the bullet head hits the target.
The invention has the following beneficial effects:
1. according to the laser guidance bullet, the four-quadrant photoelectric detector is arranged in the laser detector, the four-quadrant photoelectric detector is used as a light sensor, the capture range is wider, the reflected laser can be captured, and the laser guidance can work stably.
2. The laser guidance bullet is provided with the speed reducer behind the motor, so that the transmission ratio is graded and fine, the selection range is wide, the rotating speed spectrum is wide, the hitting precision is higher, the steering opening force degree is higher, and the controllability is stronger.
3. According to the laser guidance bullet, the tail rudder is arranged at the rear end of the speed reducer, and the tail rudder can be controlled to open and close through a control instruction of the microprocessor, so that the flying posture of the bullet is adjusted, and the bullet is prevented from rolling and shifting.
Drawings
FIG. 1 is a schematic view of the overall structure of the laser guided bullet of the present invention.
Figure 2 is a cross-sectional view of the laser guided bullet of the present invention in its entirety.
Figure 3 is a schematic diagram of the operation of the laser guided bullet of the present invention.
In the figure: 1-laser detector, 2-high density load bearing material, 3-bullet and bullet connector, 4-cartridge case, 5-fastening sleeve, 6-microprocessor, 7-motor, 8-speed reducer, 9-tail rudder, 10-ammunition storage chamber and 11-fuze.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The invention aims to provide a bullet with accurate guidance, which integrates the traditional bullet technology and the advanced detection guidance technology in a creative and breakthrough way, integrates a guidance system and a flight control device into one bullet, ensures that the bullet has maneuvering capability in the flying process through the accurate guidance technology, realizes the controllable flight path and the dynamic real-time tracking of a target of the bullet, and improves the accurate hitting capability. The invention can be applied to the firearm equipment in the military field, and can realize target striking with long distance, high precision and strong controllability.
A high-precision remote laser guidance bullet comprises a bullet head, a bullet body, a bullet head and a bullet body connector 3; the warhead is conical, and a laser detector 1 and a high-density load bearing material 2 are arranged in the warhead; the projectile body is cylindrical and comprises a projectile shell 4, an A/D conversion module, a fastening sleeve 5, a microprocessor 6, a power supply, a motor 7, a speed reducer 8, a tail vane 9, an ammunition storage chamber 10 and a fuse 11;
the warhead and the warbody are mechanically connected with the warbody connector 3 through the warhead;
the laser detector 1 is arranged at the front end of the warhead, and a high-density load bearing material 2 is arranged at the rear end of the warhead;
the fastening sleeve 5, the microprocessor 6, the power supply, the motor 7, the speed reducer 8, the tail rudder 9, the ammunition storage chamber 10 and the fuse 11 are all positioned in the cartridge case, and the microprocessor 6, the power supply, the motor 7, the speed reducer 8, the tail rudder 9, the ammunition storage chamber 10 and the fuse 11 are arranged in sequence from the bullet to the projectile body connector 3; the fastening sleeve 5 is arranged outside the microprocessor 6, the power supply, the motor 7 and the speed reducer 8, so that the stable fixing degree of the connection of the microprocessor, the power supply 6, the motor 7 and the speed reducer 8 is further enhanced when the bullet is ejected at high speed;
when the bullet is excited in the gun chamber, the firing pin impacts the bullet, the fuse 11 and the ammunition storage chamber 10 start to work, and great acceleration is provided for the bullet, so that the bullet reaches extremely high speed in extremely short time and is ejected from the gun chamber;
the laser detector 1 is electrically connected with the microprocessor 6, in the bullet flying process, the laser detector 1 emits laser, the laser is scattered to all directions after being reflected by a target, part of scattered light returns to the laser detector, and the laser detector senses a laser signal reflected from a hit target, so that the line angle information of the bullet is obtained; the laser detector 1 converts the line-of-sight angle information of the bullet eyes into digital signals through an A/D conversion module and inputs the digital signals into the microprocessor 6, the microprocessor 6 carries out operation on the digital signals to generate a control instruction of the motor 7 and control the motor 7 to work, and the motor 7 drives the speed reducer 8 and the tail vane 9; the tail rudder 9 adjusts the opening and closing degree and the opening and closing speed of the wing pieces of the tail rudder 9 in real time according to the visual line angle of the bullet, controls the hitting direction and speed of the shot bullet together with the speed reducer 8, and continuously adjusts the flight track to enable the advancing direction of the bullet head to be consistent with the target position, so that the purpose of accurately hitting a remote target is achieved.
Further, the bullet eye line of sight angle refers to the line of sight angle between the bullet and the target.
Further, the laser detector 1 comprises a seeker optical system and a four-quadrant photoelectric detector; the seeker optical system emits laser, after the laser is reflected by the target, the reflected laser presents a circular laser spot on the four-quadrant photoelectric detector through the seeker optical system, then the offset and the offset of the target relative to the optical axis are detected according to the position of the circular laser spot on the four-quadrant photoelectric detector, the target position is further detected, and the bullet sight line angle information is obtained.
Furthermore, the four-quadrant photodetector is a photodetector formed by arranging four identical photodiodes according to a rectangular coordinate, a circular laser spot appearing on the four-quadrant photodetector by a reflected laser beam is evenly divided into four parts in four quadrants of the photodetector, when a target is not deviated from an optical axis of the seeker optical system, the radiant fluxes of the circular laser spots obtained by the quadrants of the four-quadrant photodetector are 1/4 of the total radiant flux, that is, the photocurrents output by the quadrants are equal; when the target deviates from the optical axis of the optical system of the seeker, the radiant flux of the circular laser spots obtained by each quadrant is unequal, so that the photocurrent output by each quadrant is unequal, and the positions of the spots in the four quadrants are calculated according to the magnitude of the photocurrent, so that the target azimuth is obtained.
Furthermore, the laser detector 1 amplifies the signal of the line-of-sight angle information of the bullet eyes through an amplifier inside the laser detector 1 and converts the signal into an electric signal, and then the electric signal is converted into a digital signal for processing by the microprocessor 6 through the A/D conversion module.
Furthermore, the motor 7, the speed reducer 8 and the tail vane 9 are coaxially connected in sequence, a shaft of the motor 7 extends into the circular slot of the speed reducer 8, and sawteeth are engraved on the shaft of the motor 7 and the circular slot edge of the speed reducer 8, so that the motor 7 and the speed reducer 8 are firmly connected; similarly, the shaft of the speed reducer 8 extends into the circular slot of the tail rudder 9, and sawteeth are engraved on the shaft of the speed reducer 8 and the edge of the circular slot of the tail rudder 9, so that the speed reducer 8 and the tail rudder 9 are firmly connected.
Further, the A/D conversion module is electrically connected with the microprocessor 6; the power supply supplies power to the A/D conversion module, the microprocessor 6 and the motor 7.
The four-quadrant photoelectric detector is a light detection device made of semiconductor material by utilizing photoconductive effect, and its main principle is that the conductivity of irradiated material can be changed by means of radiation. The four-quadrant photodetector is composed of four photodetectors with completely identical performance and arranged according to a rectangular coordinate requirement, the main material is a PIN photodiode, free carriers generated by light in the photodiode form a current signal, and the four-quadrant photodetector is usually applied to laser guidance or laser collimation.
The invention selects a chip with the characteristics of high operation speed, small volume, low power consumption and multi-bit digital-to-analog converter as a microprocessor.
In the control system, the motor 7 serves as an actuator for the projectile. The front end of the motor rotor is in a sawtooth shape and is tightly matched with the rear end reducer. The control signal sent by the microprocessor is received, the driving motor rotates and drives the rear end speed reducer 8 to increase the torque, so that the tail vane 9 can be conveniently opened and closed. The motor 7 of the invention has the characteristics of small volume, low power consumption, light weight, large torsion, high rotating speed and simple control.
A guidance method of a high-precision remote laser guidance bullet comprises the following steps:
step 1: the bullet is fired in the bore, the firing pin strikes the bullet, the fuse 11 and the ammunition storage chamber 10 are activated to provide acceleration to the bullet, and the bullet is ejected from the bore;
step 2: in the bullet flying process, the laser detector 1 emits laser to sense laser signals reflected from a hit target, so that the line-of-sight angle information of a bullet is obtained;
and step 3: the laser detector 1 converts the line-of-sight angle information of the bullet eyes into digital signals through an A/D conversion module and inputs the digital signals into the microprocessor 6, the microprocessor 6 carries out operation on the digital signals to generate a control instruction of the motor 7 and control the motor 7 to work, and the motor 7 drives the speed reducer 8 and the tail vane 9;
and 4, step 4: the tail rudder 9 adjusts the opening and closing degree and the opening and closing speed of the wing pieces of the tail rudder 9 in real time according to the visual line angle of the bullet, controls the hitting direction and speed of the shot bullet together with the speed reducer 8, continuously adjusts the flight track, enables the advancing direction of the bullet head to be consistent with the target position, and finally hits the target.
Claims (8)
1. A high-precision remote laser guidance bullet is characterized by comprising a bullet head, a bullet body and a bullet body connector; the bullet is conical, and a laser detector and a high-density load bearing material are arranged in the bullet; the projectile body is cylindrical and comprises a projectile shell, an A/D conversion module, a fastening sleeve, a microprocessor, a power supply, a motor, a speed reducer, a tail rudder, an ammunition storage chamber and a fuse;
the warhead and the warbody are mechanically connected through the warhead and the warbody connector;
the laser detector is arranged at the front end of the bullet, and a piece of high-density load bearing material is arranged at the rear end of the bullet;
the fastening sleeve, the microprocessor, the power supply, the motor, the speed reducer, the tail rudder, the ammunition storage chamber and the fuse are all positioned in the bullet shell, and the microprocessor, the power supply, the motor, the speed reducer, the tail rudder, the ammunition storage chamber and the fuse are sequentially arranged behind the bullet and bullet connector; the fastening sleeve is arranged outside the microprocessor, the power supply, the motor and the speed reducer and used for enhancing the safety and reliability of the shot bullet;
when the bullet is excited in the gun chamber, the firing pin impacts the bullet, the fuse and the ammunition storage chamber start to work, acceleration is provided for the bullet, and the bullet is ejected from the gun chamber;
the laser detector is electrically connected with the microprocessor, and emits laser in the bullet flying process and senses a laser signal reflected from a hit target so as to obtain the line-of-sight angle information of the bullet; the laser detector converts the line-of-sight angle information of the bullet eyes into digital signals through the A/D conversion module and inputs the digital signals into the microprocessor, the microprocessor calculates the digital signals to generate a control instruction of the motor and control the motor to work, and the motor drives the speed reducer and the tail vane; the tail rudder adjusts the opening and closing degree and the opening and closing speed of the tail rudder wing pieces in real time according to the visual line angle of the bullet eyes, controls the hitting direction and speed of the ejected bullet together with the speed reducer, continuously adjusts the flight track, enables the advancing direction of the bullet head to be consistent with the target position, and finally hits the target.
2. A high precision distance laser guidance bullet according to claim 1, wherein said bullet eye line of sight angle is the line of sight angle between the bullet and the target.
3. A high precision distance laser guidance bullet according to claim 1, wherein said laser detector comprises a seeker optical system and a four quadrant photodetector; the seeker optical system emits laser, after the laser is reflected by the target, the reflected laser presents a circular laser spot on the four-quadrant photoelectric detector through the seeker optical system, then the offset and the offset of the target relative to the optical axis are detected according to the position of the circular laser spot on the four-quadrant photoelectric detector, the target position is further detected, and the bullet sight line angle information is obtained.
4. A high-precision remote laser guidance bullet according to claim 3, wherein the four quadrant photodetector is a photodetector formed by arranging four identical photodiodes according to rectangular coordinates, the circular laser spot of the reflected laser beam on the four quadrant photodetector is divided into four parts in four quadrants of the photodetector, when the target is not deviated from the optical axis of the seeker optical system, the radiation fluxes of the circular laser spot obtained by each quadrant of the four quadrant photodetector are 1/4 of the total radiation flux, that is, the output photocurrents of the quadrants are equal; when the target deviates from the optical axis of the optical system of the seeker, the radiant flux of the circular laser spots obtained by each quadrant is unequal, so that the photocurrent output by each quadrant is unequal, and the positions of the spots in the four quadrants are calculated according to the magnitude of the photocurrent, so that the target azimuth is obtained.
5. The laser guidance bullet as claimed in claim 1, wherein the laser detector amplifies the line-of-sight information of the bullet eye through an amplifier inside the laser detector and converts the amplified signal into an electrical signal, and the electrical signal is converted into a digital signal for processing by the microprocessor through the a/D conversion module.
6. The high-precision remote laser guidance bullet according to claim 1, wherein the motor, the speed reducer and the tail rudder are coaxially connected in sequence, a shaft of the motor extends into the circular slot of the speed reducer, and sawteeth are engraved on a motor shaft and the edge of the circular slot of the speed reducer, so that the motor and the speed reducer are firmly connected; similarly, the shaft of the speed reducer extends into the circular slot of the tail rudder, and sawteeth are engraved on the shaft of the speed reducer and the edge of the circular slot of the tail rudder, so that the speed reducer and the tail rudder are firmly connected.
7. A high precision remote laser guidance bullet according to claim 1, wherein said a/D conversion module is electrically connected to said microprocessor; the power supply supplies power to the A/D conversion module, the microprocessor and the motor.
8. A guidance method for a high-precision remote laser guidance bullet is characterized by comprising the following steps:
step 1: the bullet is excited in the gun cavity, the firing pin impacts the bullet, the fuse and the ammunition storage chamber start to work, acceleration is provided for the bullet, and the bullet is ejected from the gun cavity;
step 2: in the bullet flying process, the laser detector emits laser to sense a laser signal reflected from a hit target, so that the line-of-sight angle information of a bullet is obtained;
and step 3: the laser detector converts the line-of-sight angle information of the bullet eyes into digital signals through the A/D conversion module and inputs the digital signals into the microprocessor, the microprocessor calculates the digital signals to generate a motor control instruction and control the motor to work, and the motor drives the speed reducer and the tail rudder;
and 4, step 4: the tail rudder adjusts the opening and closing degree and the opening and closing speed of the tail rudder wing pieces in real time according to the visual line angle of the bullet eyes, controls the hitting direction and speed of the ejected bullet together with the speed reducer, and continuously adjusts the flight track to enable the advancing direction of the bullet head to be consistent with the target position, and finally the bullet head hits the target.
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| CN107084645A (en) * | 2017-06-16 | 2017-08-22 | 北京理工大学 | Sniper rifle laser guidance bullet |
| CN112197656A (en) * | 2020-10-30 | 2021-01-08 | 中国兵器工业集团第二一四研究所苏州研发中心 | Guidance bullet based on microsystem |
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| IL69837A (en) * | 1982-09-30 | 1988-08-31 | Gen Electric | Aircraft automatic gunnery boresight correction system and method |
| JPH01277200A (en) * | 1988-04-28 | 1989-11-07 | Tech Res & Dev Inst Of Japan Def Agency | Duplex sensibility type anti-armor bullet |
| CN107084645A (en) * | 2017-06-16 | 2017-08-22 | 北京理工大学 | Sniper rifle laser guidance bullet |
| CN112197656A (en) * | 2020-10-30 | 2021-01-08 | 中国兵器工业集团第二一四研究所苏州研发中心 | Guidance bullet based on microsystem |
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