CN106017214A - Night-vision electronic sighting device based on ultrasonic compensation - Google Patents
Night-vision electronic sighting device based on ultrasonic compensation Download PDFInfo
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Abstract
The invention provides a night-vision electronic sighting device based on ultrasonic compensation. The night-vision electronic sighting device comprises a lens, a bracket, a display device, and further comprises an infrared imaging device, a laser ranging device and an ultrasonic sending and receiving device. The infrared imaging device is used for capturing the optical image of a sighted object. The laser ranging device is used for measuring the distance between the electronic sighting device and the sighted object with laser. The ultrasonic sending and receiving device is used for measuring the distance between the electronic sighting device and the sighted object with ultrasonic waves. The ultrasonic sending and receiving device is used for capturing the ultrasonic image of the sighted object with the ultrasonic waves. Distance adjustment compensation is conducted on the two distance data by a distance adjustment compensation unit. Image adjustment compensation is conducted on the two image data by an image adjustment compensation unit. The results obtained by the distance adjustment compensation unit and the image adjustment compensation unit are displayed on the display device simultaneously. The ultrasonic technology is introduced to the electronic sighting device, the ultrasonic sending and receiving device is used for measuring the distance and completing the target imaging, and the night-vision electronic sighting device is used for effectively compensating the laser ranging and the infrared imaging.
Description
Technical Field
The invention relates to a sighting device, in particular to an ultrasonic compensation night vision electronic sighting device.
Background
Various instruments and devices have been devised over the years to assist users in aiming a gun at a target in order to improve the efficiency and accuracy of shooting. Many aiming devices for guns are generally divided into a Telescopic Sight (telescope Sight) and a Reflex Sight (Reflex Sight), and there are sights designed based on other principles, and different aiming instruments focus on solving different problems.
The subdivision of sighting devices can be divided into electronic sighting devices in the visible and night vision, i.e. infrared, bands.
The prior art [ CN200920021599 ] discloses an intelligent police gun. On the basis of the existing gun, a power supply, a current boosting device, a fingerprint acquisition device, an audio-video acquisition transmission device and an infrared aiming device are added, so that the gun has the functions of identifying a master, transmitting audio and video, remotely controlling and positioning a satellite, the problems of unauthorized use and improper use of the gun can be effectively prevented, and the possibility of stealing and robbing the gun is reduced. After the fingerprint information of the gun holder is matched with the prestored fingerprint information through the line mainboard, the audio-video acquisition and transmission device transmits the on-site audio-video to the command center, and the command center can communicate with the gun holder and can stop or remotely control the gun firing function to the gun which is not suitable for driving. After the bullet is fired, the circuit main board sends the shooting information to the command center in a short message mode, and simultaneously, the shooting information is stored in a storage card of the gun.
The prior art has the following technical defects, although the gun in the prior art adopts the infrared aiming device, the gun in the prior art does not have the specific structural function of the public infrared aiming device, and in practical application, the infrared aiming device in the prior art usually performs infrared imaging on a target in a simple imaging mode, the infrared imaging cannot obtain the accurate distance between the sighting device and the target, and the independent infrared imaging cannot form clear imaging on the target, so that the night vision electronic sighting device based on ultrasonic compensation is developed and provided aiming at the defects in the prior art.
Disclosure of Invention
The ultrasonic imaging has the advantages of video imaging, simple operation, low cost and the like. The infrared imaging has the advantages of long distance, non-contact, large area, intuition, rapidness and the like. This application cites the electronic sight with ultrasonic technology, utilizes ultrasonic wave send receiving arrangement to carry out distance measurement on the one hand, accomplishes the formation of image to the target on the one hand, as the effective replenishment to laser rangefinder and infrared formation of image.
The technical scheme adopted by the invention is as follows: an ultrasonic compensation night vision electronic sight, the electronic sight comprising a lens, a holder, an infrared imaging device, a laser ranging device, an ultrasonic transmitting and receiving device, a distance adjusting and compensating unit, an image adjusting and compensating unit and a display device, the holder being detachably fixed to a firearm, the infrared imaging device capturing an optical image of a target to be aimed, the laser ranging device measuring a distance between the electronic sight and the target to be aimed using a laser, the ultrasonic transmitting and receiving device measuring a distance between the electronic sight and the target to be aimed using an ultrasonic wave, while the ultrasonic transmitting and receiving device capturing an ultrasonic image of the target to be aimed using an ultrasonic wave, the distance adjusting and compensating unit distance adjusting and compensating the laser ranging device and the ultrasonic transmitting and receiving device for obtaining two distance data, the image adjusting and compensating unit performs image adjusting and compensating on the two image data obtained by the infrared imaging device and the ultrasonic transmitting and receiving device, and results obtained by the distance adjusting and compensating unit and the image adjusting and compensating unit are simultaneously displayed on the display device.
The distance adjustment and compensation adopts a weighted average mode to carry out weighted average on two distance data obtained by the laser ranging device and the ultrasonic transmitting and receiving device,
daverage＝Ad1+Bd2And/2, wherein,
a and B are weighting coefficients, and A + B is 1;
daverage-average distance after distance tuning compensation;
d1-the distance between the electronic sight and the aimed target as measured by the laser ranging device;
d2-the distance between the electronic sight and the aimed target measured by the ultrasound transmission and reception means;
daverageAdjusting the compensated result by the distance adjusting and compensating unit;
when the distance between the electronic sighting device and the target to be aimed is less than 50m, A is 0.1-0.3, and B is 0.7-0.9;
when the distance between the electronic sighting device and the target to be aimed is larger than 50m and smaller than 100m, A is 0.4-0.6, and B is 0.4-0.6;
when the distance between the electronic sighting device and the target to be aimed is less than 100m, A is 0.7-0.9, and B is 0.1-0.3.
The image adjustment and compensation adopts the following steps:
(1) let the image data obtained by the ultrasonic wave transmitting and receiving device be IV (i, j), the image data obtained by the infrared imaging device be IR (i, j),
(2) the common part is extracted from the ultrasonic image data IV (i, j) and the infrared image data IR (i, j), respectively, and the respective individual parts are obtained:
IV*＝IV-IV∩IR，IR*＝IR-IV∩IR
(3) respectively carrying out IV-IR*，IR-IV*To enhance local detail of the image;
(4) color averaging; wherein,
RGBaverage＝(RGB1+RGB2+RGB3)/3；
RGBAverageThe result after the image distance adjustment compensation unit adjusts and compensates the image distance.
The infrared imaging device comprises a substrate, a sensor, a data acquisition unit, a data storage, a controller, a computer interface and a battery pack or a power supply interface; the device comprises a base, a data acquisition unit, a data storage unit, a controller and a computer interface, wherein an infrared camera shooting window is arranged on the base, a sensor is arranged below the infrared camera shooting window and electrically connected with the data acquisition unit, the data acquisition unit is connected to a data bus of the device, the data storage unit is also connected with the data bus, the data bus is also electrically connected with the controller and the computer interface respectively, and a battery pack or a power supply interface is electrically connected to the data storage unit.
The laser ranging device comprises a laser emitting unit, a laser receiving unit, a laser center unit, a control device and a laser power supply assembly; the laser power supply assembly supplies power to the laser transmitting unit, the laser receiving unit, the laser center unit and the control device; the laser transmitting unit, the laser receiving unit and the control device are all connected to a laser central unit, and the laser central unit is connected to a processor and sends measured distance information to the processor; the laser emitting unit and the laser receiving unit are respectively arranged on two side edges of the front end of the lens, the laser emitting unit and the laser receiving unit are respectively fixed on two side edges of the front end of the lens through angle adjusting devices, the angle adjusting devices are used for adjusting the laser emitting unit and the laser receiving unit to have an angle through manual knobs, a straight line where the laser emitting unit is located and the laser receiving unit are converged to one point, and the point is located in front of the lens of the sighting device.
The ultrasonic wave transmitting and receiving device comprises a waveform generating device used for generating a low-voltage transmitting waveform; the transmitting device is connected with the waveform generating device and is used for converting the low-voltage transmitting waveform generated by the waveform generating device into a high-voltage transmitting waveform; the ultrasonic probe is connected with the transmitting device and used for transmitting ultrasonic waves and receiving ultrasonic echoes; the receiving device is connected with the ultrasonic probe and is used for amplifying, filtering and carrying out analog-digital conversion on the ultrasonic echo to obtain a digital ultrasonic echo; and a data processor for generating an image using the reception beam signals and obtaining distance data.
Drawings
Fig. 1 is a block diagram of the system structure of the electronic sight of the present invention.
Fig. 2(a) shows image data obtained by the ultrasonic transmission and reception device.
Fig. 2(b) image data obtained by the infrared imaging device.
Fig. 2(c) is an image obtained by performing image adjustment compensation on two image data obtained by the infrared imaging device and the ultrasonic transmitting and receiving device through the image adjustment compensation unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to specific embodiments and accompanying drawings.
The main components of the ultrasonic compensation electronic sighting device comprise a bracket, an infrared imaging device, a laser ranging device, an ultrasonic wave transmitting and receiving device, a distance adjustment and compensation unit, an image adjustment and compensation unit and a display device.
The holder is detachably fixed to the firearm and is not shown in fig. 1.
Regarding the target distance, the laser ranging device measures the distance between the electronic sight and the aimed target using laser, and the ultrasonic wave transmitting and receiving device measures the distance between the electronic sight and the aimed target using ultrasonic.
With respect to the target image, the ultrasonic wave transmitting and receiving device captures an ultrasonic image of the target by using ultrasonic waves, and the infrared imaging device captures an optical image of the target.
And the distance adjusting and compensating unit is used for adjusting and compensating the distance of the laser ranging device and the distance of the ultrasonic transmitting and receiving device, and the image adjusting and compensating unit is used for adjusting and compensating the image of the infrared imaging device and the image of the ultrasonic transmitting and receiving device.
Regarding the display, the results obtained by the distance adjustment compensation unit and the image adjustment compensation unit are simultaneously displayed on the display device, and a specific functional structure block diagram of the system is shown in fig. 1.
Specifically regarding distance tuning compensation:
laser ranging is the accurate measurement of the distance to a target using laser light. When the laser ranging is operated, a thin laser beam is emitted to a target, a photoelectric element receives the laser beam reflected by the target, a timer measures the time from the emission to the reception of the laser beam, and the distance from an observer to the target is calculated. The range measurement is large, the anti-interference ability is strong, but the power consumption is large, the price is high, and the use occasion is limited.
Ultrasonic waves are mechanical waves with a frequency exceeding 20 kHz. Ultrasonic waves, as a special type of sound wave, also have the fundamental physical characteristics of sound wave transmission-reflection, refraction, interference, diffraction, scattering. The ultrasonic wave has the characteristics of directional concentration, small amplitude, large acceleration and the like, can generate large force, and most energy of the ultrasonic wave can be reflected at different medium interfaces.
Laser is propagated at the speed of light, and when the distance is nearer, the interval from transmitting to receiving the echo is extremely little, and this time difference can't be gathered to common microcontroller, so measurement accuracy is difficult to improve. The ultrasonic ranging principle is simple, the power is small, the precision is high, but due to the problems of energy conversion efficiency and resonance matching of electric energy and mechanical energy, the test range of the ultrasonic ranging device needs to be improved, and certain difficulty exists.
Through a plurality of times of experimental tests of the inventor, the laser ranging device and the ultrasonic wave transmitting and receiving device are weighted and averaged in a weighted average mode to obtain two distance data, different weighting coefficients are adopted for different distance ranges, the advantages of wide range and long range of laser ranging are absorbed, and the advantage of high precision of the ultrasonic wave in short-distance ranging is covered, so that the precision and the range of the ranging unit are greatly improved, and the method comprises the following specific steps:
let dAverage＝Ad1+Bd2A, B is a weighting coefficient, and a + B is 1;
daverage-average distance after distance tuning compensation;
d1-the distance between the electronic sight and the aimed target as measured by the laser ranging device;
d2-the distance between the electronic sight and the aimed target measured by the ultrasound transmission and reception means;
daverageAdjusting the compensated result by the distance adjusting and compensating unit;
when the distance between the electronic sighting device and the target to be aimed is less than 50m, A is 0.1-0.3, and B is 0.7-0.9;
when the distance between the electronic sighting device and the target to be aimed is larger than 50m and smaller than 100m, A is 0.4-0.6, and B is 0.4-0.6;
when the distance between the electronic sighting device and the target to be aimed is less than 100m, A is 0.7-0.9, and B is 0.1-0.3.
The image adjustment and compensation adopts the following steps:
(1) let the image data obtained by the ultrasonic wave transmitting and receiving device be IV (i, j), the image data obtained by the infrared imaging device be IR (i, j),
(2) the common part is extracted from the ultrasonic image data IV (i, j) and the infrared image data IR (i, j), respectively, and the respective individual parts are obtained:
IV*＝IV-IV∩IR，IR*＝IR-IV∩IR
(3) respectively carrying out IV-IR*，IR-IV*To enhance local detail of the image;
(4) color averaging; wherein,
RGBaverage＝(RGB1+RGB2+RGB3)/3；
RGBAverageThe result after the image distance adjustment compensation unit adjusts and compensates the image distance.
Fig. 2(a) shows image data obtained by the ultrasonic transmitting and receiving device. Fig. 2(b) image data obtained by the infrared imaging device. Fig. 2(c) is an image obtained by performing image adjustment compensation on two image data obtained by the infrared imaging device and the ultrasonic transmitting and receiving device through the image adjustment compensation unit.
The infrared imaging device comprises a substrate, a sensor, a data acquisition unit, a data storage, a controller, a computer interface and a battery pack or a power supply interface; the device comprises a base, a data acquisition unit, a data storage unit, a controller and a computer interface, wherein an infrared camera shooting window is arranged on the base, a sensor is arranged below the infrared camera shooting window and electrically connected with the data acquisition unit, the data acquisition unit is connected to a data bus of the device, the data storage unit is also connected with the data bus, the data bus is also electrically connected with the controller and the computer interface respectively, and a battery pack or a power supply interface is electrically connected to the data storage unit.
The laser ranging device comprises a laser emitting unit, a laser receiving unit, a laser center unit, a control device and a laser power supply assembly; the laser power supply assembly supplies power to the laser transmitting unit, the laser receiving unit, the laser center unit and the control device; the laser transmitting unit, the laser receiving unit and the control device are all connected to a laser central unit, and the laser central unit is connected to a processor and sends measured distance information to the processor; the laser emitting unit and the laser receiving unit are respectively arranged on two side edges of the front end of the lens, the laser emitting unit and the laser receiving unit are respectively fixed on two side edges of the front end of the lens through angle adjusting devices, the angle adjusting devices are used for adjusting the laser emitting unit and the laser receiving unit to have an angle through manual knobs, a straight line where the laser emitting unit is located and the laser receiving unit are converged to one point, and the point is located in front of the lens of the sighting device.
The ultrasonic wave transmitting and receiving device comprises a waveform generating device used for generating a low-voltage transmitting waveform; the transmitting device is connected with the waveform generating device and is used for converting the low-voltage transmitting waveform generated by the waveform generating device into a high-voltage transmitting waveform; the ultrasonic probe is connected with the transmitting device and used for transmitting ultrasonic waves and receiving ultrasonic echoes; the receiving device is connected with the ultrasonic probe and is used for amplifying, filtering and carrying out analog-digital conversion on the ultrasonic echo to obtain a digital ultrasonic echo; and a data processor for generating an image using the reception beam signals and obtaining distance data.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An ultrasonic compensation night vision electronic sight, characterized in that the electronic sight comprises a lens, a holder, an infrared imaging device, a laser range finder, an ultrasonic wave transmitting and receiving device, a distance adjustment compensating unit, an image adjustment compensating unit and a display device, the holder is detachably fixed on a firearm, the infrared imaging device captures an optical image of a target to be aimed, the laser range finder measures a distance between the electronic sight and the target to be aimed by using a laser, the ultrasonic wave transmitting and receiving device measures a distance between the electronic sight and the target to be aimed by using an ultrasonic wave, and at the same time, the ultrasonic wave transmitting and receiving device captures an ultrasonic image of the target to be aimed by using an ultrasonic wave, the distance adjustment compensating unit performs distance adjustment compensation for two distance data obtained by the laser range finder and the ultrasonic wave transmitting and receiving device, the image adjusting and compensating unit performs image adjusting and compensating on the two image data obtained by the infrared imaging device and the ultrasonic transmitting and receiving device, and results obtained by the distance adjusting and compensating unit and the image adjusting and compensating unit are simultaneously displayed on the display device.
2. The electronic sight of claim 1, wherein the distance calibration compensation is a weighted average of two distance data obtained by the laser ranging device and the ultrasonic transmitting and receiving device,
daverage＝Ad1+Bd2And/2, wherein,
a and B are weighting coefficients, and A + B is 1;
daverage-average distance after distance tuning compensation;
d1-the distance between the electronic sight and the aimed target as measured by the laser ranging device;
d2-the distance between the electronic sight and the aimed target measured by the ultrasound transmission and reception means;
daverageAdjusting the compensated result by the distance adjusting and compensating unit;
when the distance between the electronic sighting device and the target to be aimed is less than 50m, A is 0.1-0.3, and B is 0.7-0.9;
when the distance between the electronic sighting device and the target to be aimed is larger than 50m and smaller than 100m, A is 0.4-0.6, and B is 0.4-0.6;
when the distance between the electronic sighting device and the target to be aimed is less than 100m, A is 0.7-0.9, and B is 0.1-0.3.
3. The electronic sight of claim 1, wherein the image alignment compensation employs the steps of:
(1) let the image data obtained by the ultrasonic wave transmitting and receiving device be IV (i, j), the image data obtained by the infrared imaging device be IR (i, j),
(2) the common part is extracted from the ultrasonic image data IV (i, j) and the infrared image data IR (i, j), respectively, and the respective individual parts are obtained:
IV*＝IV-IV∩IR，IR*＝IR-IV∩IR
(3) respectively carrying out IV-IR*，IR-IV*To enhance local detail of the image;
(4) color averaging; wherein,
RGBaverage＝(RGB1+RGB2+RGB3)/3；
RGBAverageThe result after the image distance adjustment compensation unit adjusts and compensates the image distance.
4. The electronic sight of any one of claims 1 to 3, wherein the infrared imaging device comprises a substrate, a sensor, a data collector, a data storage, a controller, a computer interface, and a battery or power interface; the device comprises a base, a data acquisition unit, a data storage unit, a controller and a computer interface, wherein an infrared camera shooting window is arranged on the base, a sensor is arranged below the infrared camera shooting window and electrically connected with the data acquisition unit, the data acquisition unit is connected to a data bus of the device, the data storage unit is also connected with the data bus, the data bus is also electrically connected with the controller and the computer interface respectively, and a battery pack or a power supply interface is electrically connected to the data storage unit.
5. The electronic sight of any one of claims 1 to 3, wherein the laser ranging device comprises a laser emitting unit, a laser receiving unit, a laser center unit, a control device and a laser power supply assembly; the laser power supply assembly supplies power to the laser transmitting unit, the laser receiving unit, the laser center unit and the control device; the laser transmitting unit, the laser receiving unit and the control device are all connected to a laser central unit, and the laser central unit is connected to a processor and sends measured distance information to the processor; the laser emitting unit and the laser receiving unit are respectively arranged on two side edges of the front end of the lens, the laser emitting unit and the laser receiving unit are respectively fixed on two side edges of the front end of the lens through angle adjusting devices, the angle adjusting devices are used for adjusting the laser emitting unit and the laser receiving unit to have an angle through manual knobs, a straight line where the laser emitting unit is located and the laser receiving unit are converged to one point, and the point is located in front of the lens of the sighting device.
6. The electronic sight of any one of claims 1 to 3, wherein the ultrasonic wave transmitting and receiving means includes waveform generating means for generating a low-voltage transmission waveform; the transmitting device is connected with the waveform generating device and is used for converting the low-voltage transmitting waveform generated by the waveform generating device into a high-voltage transmitting waveform; the ultrasonic probe is connected with the transmitting device and used for transmitting ultrasonic waves and receiving ultrasonic echoes; the receiving device is connected with the ultrasonic probe and is used for amplifying, filtering and carrying out analog-digital conversion on the ultrasonic echo to obtain a digital ultrasonic echo; and a data processor for generating an image using the reception beam signals and obtaining distance data.
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| CN114255522A (en) * | 2021-12-23 | 2022-03-29 | 河南宏博测控技术有限公司 | Multi-functional inspection device convenient to use |
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Denomination of invention: Night-vision electronic sighting device based on ultrasonic compensation Effective date of registration: 20180502 Granted publication date: 20170901 Pledgee: Bank of Guiyang Limited by Share Ltd. high tech branch Pledgor: GUIZHOU JINGHAO TECHNOLOGY Co.,Ltd. Registration number: 2018990000335 |
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Denomination of invention: Night-vision electronic sighting device based on ultrasonic compensation Effective date of registration: 20181015 Granted publication date: 20170901 Pledgee: Bank of Guiyang Limited by Share Ltd. high tech branch Pledgor: GUIZHOU JINGHAO TECHNOLOGY Co.,Ltd. Registration number: 2018520000022 |
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Denomination of invention: Night-vision electronic sighting device based on ultrasonic compensation Effective date of registration: 20200326 Granted publication date: 20170901 Pledgee: Guizhou Province Industry and State-owned Enterprises Green Development Fund Co.,Ltd. Pledgor: GUIZHOU JINGHAO TECHNOLOGY Co.,Ltd. Registration number: Y2020980001036 |
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Denomination of invention: An ultrasonic compensated night vision electronic sight Effective date of registration: 20210831 Granted publication date: 20170901 Pledgee: Guizhou Industrial Investment Development Co.,Ltd. Pledgor: GUIZHOU JINGHAO TECHNOLOGY Co.,Ltd. Registration number: Y2021520000012 |
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Denomination of invention: An ultrasonic compensated night vision electronic sight Effective date of registration: 20230803 Granted publication date: 20170901 Pledgee: Guiyang Rural Commercial Bank Co.,Ltd. science and technology sub branch Pledgor: GUIZHOU JINGHAO TECHNOLOGY Co.,Ltd. Registration number: Y2023520000039 |
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