CN2758693Y

CN2758693Y - Universal near-infrared laser sighting device

Info

Publication number: CN2758693Y
Application number: CN 200420089855
Authority: CN
Inventors: 朱连新
Original assignee: Dai Bisheng
Current assignee: Dai Bisheng
Priority date: 2004-08-19
Filing date: 2004-08-19
Publication date: 2006-02-15
Anticipated expiration: 2014-08-19

Abstract

The utility model relates to a universal near-infrared laser sighting device which has the good hiding property and can replace human eyes to make the operation of collimation shooting at night on military affairs. In an integral structure, a circuit, a laser output system, a laser bean direction regulating system, an external interface are connected organically and are dependent to each other, wherein the circuit is designed to a simplification circuit; the laser output system adopts double gratings, wherein the front grating shapes a light beam distributed on the prolate ellipsoid gauss curved surface into a circular light beam, and the rear grating can suppress all secondary light rings of an interference light spot of a Newton ring to make the light spot on the target with a given distance to become minimum. The directional regulation of the laser beam adopts the tight match of annular spherical surfaces and the tight match of axle holes, and the laser beam is regulated within the angle range of 120 DEG along a transverse direction; a regulating screw which is regulated is locked by a spring and a steel ball, so the direction of the light beam is unchanged during the impact vibration, and the light bean is simply and firmly connected the external interface. Various interfaces can be freely designed to be matched with the different straight sighting weapons, so the utility model is universal for various straight sighting weapons.

Description

General near-infrared laser sight

Technical field

The utility model relates to the general near-infrared laser sight that a kind of applicating laser technology is militarily implemented the sighting at night shooting.

Background technology

As everyone knows, laser has three big characteristics such as high brightness, good directionality, high monochromaticity, and purposes is very extensive.We utilize this three big characteristics design development the utility model just.But the laser scioptics of high monochromaticity are easy to generate newton's interference ring, and the light beam divergence angle increases, and bring difficulty to the required spot size that reaches on the half body people target target of 100-150m distance; Though the good directionality of laser, but for semiconductor laser diode, the horizontal beam divergence angle of laser is generally about 20 °, vertical beam divergence angle is generally about 40 °, owing to be subjected to volume, weight and the restriction that keeps certain laser output power etc. again, big like this beam divergence angle is seriously restricting the design of the focal length of lens and bore, and the light source output window is a rectangle that aspect ratio is bigger, the Gaussian beam of launching is the bigger oval Gaussian distribution curved surface of length frequently of a major and minor axis, can not be as aiming beam, this brings difficulty for again our development and design the utility model; For keeping out the intense impact and the vibration of various heavy machine guns, 40 rocket launchers etc., overcome the restriction of volume, circuit must be designed to highly reliable, the simplest circuit.

Summary of the invention

In order to overcome above-mentioned difficulties, the utility model provides that a kind of optical maser wavelength had not only made that human eye is invisible, good concealment, but also can with two generation the general near-infrared laser sight that is complementary of low-light helmet night vision device spectral response wave band, this sight can satisfy in 100～150m place half body people target and the requirement of required spot size on targets such as 200～250m place tank.The spot diameter of this sight at the 100m place is 28mm (theoretical value), and reality is 35mm.Also reached the tactics requirement at shock resistance, vibration, aspect such as waterproof and dampproof, reliable and stable.

The technical scheme that its technical problem that solves the utility model adopts is: 1, laser diode selects for use.For not only make human eye invisible to laser, satisfy good concealment, but also can with two generation low-light helmet night vision device the spectral response wave band be complementary, we have selected for use the near-infrared laser diode to make light source.2, circuit design.In order to keep out intense impact, the vibration of various heavy machine guns, 40 rocket launchers etc., overcome volume restrictions, we have cast out the circuit that uses diode, triode, are designed to the resistance-capacitance circuit of simplifying most.This circuit is except that laser diode, and entire circuit has only been used a resistance and two patch capacitors.This circuit, except that satisfying functional requirement, both vibrationproof, shock resistance, reliable and stable again, and saved electronic devices and components; 3, the adjusting at scattered laser beam angle.On the laser output light path, we have designed Shuan Guanglan.On the trim ring of light hurdle design base before balsaming lens, it had both put tightly laser diode, again Gauss's oval calotte beam shaping was the circle light beam.Another light hurdle design is after balsaming lens, and its effect is all secondary rings of light that suppress the Newton's ring hot spot.Be connected with base, picture frame and light hurdle, back by lens barrel, at optical axis direction adjusted picture frame, make its light beam divergence angle minimum, thereby, satisfy spot size required when aiming at giving on the target of set a distance; 4, the adjusting of beam direction.Simple, reliable in order to realize adjusting, reach aimed fire fast and accurately, we have designed an axis hole tight fit, two tight driving fits of ball face, utilize adjustment screw, three kinds of springs, two steel balls, two protecting covers and four pins of an adjustable ring, two band gears, with quick adjustment and the locking that reaches direction.

The beneficial effects of the utility model are, the general near-infrared laser sight of debuging is with different interfaces, configurable on weapons such as 67-2 formula heavy machine gun, 69-1 formula 40 rocket launchers, 79 formula light submachine guns, 81-1 formula automatic rifle, 81 formulas, 7.62 light machine guns, 85 formulas, 7.62 silenced submachine guns, 85 formulas, 7.62 sniper rifles and 85 formulas, 7.62 light submachine guns, directly to take aim at weapon general by various.After sight places and directly takes aim on the weapon, regulate locking, put on the night vision helmet again, can implement the sighting at night shooting quickly and accurately through simple direction.Its circuit is simplified most, and structure is small and exquisite and simple.

Description of drawings

Fig. 1 is circuit theory diagrams of the present utility model.

Fig. 2 is that vertical section, the left side of general first embodiment of near-infrared laser sight looked and the cut-away section structural map

Among Fig. 1: C1, C2 are two patch capacitors, and R is a resistance, and V is a laser diode, and S is a switch, and G is the 3V lithium battery.

Among Fig. 2: 1; circuit board, 2; balsaming lens, 3; cover glass, 4; picture frame; 5; the light hurdle, 6; lens barrel, 7; Jing Gai, 8; adjustable ring; 9; spring I, 10; spring II, 11; extend neck, 12; base; 13; trim ring I (band light hurdle), 14; trim ring II, 15; spring III, 16; printed board I; 17; bonnet, 18; cover plate, 19; supporting I, 20; supporting II; 21; bearing, 22; hasp, 23; catch, 24; the chassis; 25; pressing plate, 26; spring IV, 27; protecting cover; 28; adjustment screw, 29; lock-screw, 30; printed board II; 31; spring leaf, 32; screw, 33; screw; 34; screw, 35; screw, 36; screw; 37; screw, 38; screw, 39; rivet; 40; pin, 41; pin, 42; sealing ring; 43; sealing ring, 44; steel ball, 45; laser diode; 46; high temperature resistant band shielding wire, 47; heat-shrink tube, 48; the 3V lithium battery.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is set forth.

In Fig. 1, capacitor C 1 and C2 play two effects, and the one, when opening switch S, can not instantaneously reach the voltage of battery G on it, an instantaneous charging time-delay is arranged, this just makes laser diode V with the work of slow start state, avoids the impact of instantaneous voltage; The 2nd, constitute two bypass loop, be that C1 and S, G constitute a loop, C2 and S, G, resistance R constitute another loop, in case there is the peak voltage of high-frequency signal or switch from fluttering to enter, bypassed by these two loops at once, guaranteed the trouble free service of laser diode; In the loop that S and V, R, G constitute, R plays metering function, guarantees that V works within rated operational current, has guaranteed the V operate as normal effectively, unlikely damage.

In embodiment illustrated in fig. 2, one, the formation of circuit loop: with base (12), trim ring II (14), extend neck (11), bonnet (17), the part that is connected of cover plate (18) is carried out conductive processing, make it to connect, constitute current channel, with casing for just, spring III (15) is for negative, by the positive pole of 3V lithium battery (48) through printed board I (16), the heart yearn of high temperature resistant band shielding wire (46), printed board II (30), spring leaf (31), (46) shielding line, screw (36), cover plate (18), bonnet (17), extend neck (11), base (12), the positive pole of laser diode (45) and circuit board (1), spring III (15), the negative pole of 3V lithium battery (48) and forming circuit loop, wherein printed board II (30) and spring leaf (31) also constitute the self-control key switch, simple in structure, contact resistance is little; Two, the adjusting at the formation of laser optic system for outputting and scattered laser beam angle.The laser optic system for outputting is made of base (12), laser diode (45), trim ring I (band light hurdle) (13), lens barrel (6), picture frame (4), balsaming lens (2), light hurdle (5) and two screws (32), again circuit board (1) is connected into a core component with trim ring II (14).By means of two meters or one meter parallel light tube, observe the hot spot of laser on the parallel light tube infrared focus plane with CCD camera and monitor again.Logical powering on, the position of axial adjustment picture frame (4) makes the hot spot minimum of laser on the parallel light tube infrared focus plane and clear, and the scattered laser beam angle is then debugged and is finished, and uses two screws (32) to put tight its optical system again.The major parameter focal length of balsaming lens is 36.18mm; Three, the formation of beam direction regulating system and direction are regulated.The beam direction regulating system is made of aforesaid core component, adjustable ring (8), spring I (9), spring II (10), extend neck (11), two chassis (24), two pressing plates (25), two spring IV (26), two protecting covers (27), two adjustment screw (28), two screws (34), two screws (35), four pins (41) and two steel balls (44).Two adjustment screw (28) play two effects, the one, adjustable ring (8) is placed on the interior fixing position of extend neck (11), make it press spring (10), pressure is passed to base (12), make annular sphere and the tight driving fit of the corresponding annular sphere of extend neck (11) on the base (12), aforementioned core component can be pivoted, again closely contact, guarantee circuit clear, the contact resistance minimum; The 2nd, in adjustable ring (8), constitute 120 ° angle each other with spring (9), power is imposed on the lens barrel (6), implement the adjusting of beam direction.Base (12) outer rim is designed to the axis hole tight fit with the contact of the corresponding endoporus of extend neck (11), and restriction base (12) lateral displacement guarantees to remain unchanged after beam direction is set up.Chassis (24) couples together with screw (34), screw (35) with pressing plate (25), extend neck (11); the one, protection adjustment screw (28); the 2nd, provide a mobile helical pitch to it; limit it perpendicular to the departing from of moving direction, its spring IV (26) and steel ball (44) are given and reliable locking after adjustment screw (28) is set up direction.Protecting cover (27) shields to adjustment screw (28).The effect of pin (41) is that protecting cover (27) is stuck on the pressing plate (25) tightly, and assurance is subjected to impacting, vibration does not come off.It is complicated that the structure of beam direction regulating system seems, but it is very simple to regulate direction, only need open protecting cover (27), regulate two adjustment screw of 120 ° (28) each other with special screwdriver, can regulate the direction of laser beam apace, after mixing up, direction is covered protecting cover (27) and gets final product by spring IV (26) and steel ball (44) locking; Four, the formation of agent structure shell.Cover glass (3) has played three effects here; the one, provide output window to the laser optic system for outputting; the 2nd, gluing with Jing Gai (7); realize dustproof, waterproof, protection against the tide; the 3rd, with Jing Gai (7), extend neck (11), bonnet (17) and cover plate (18) with being threaded, use screw (32) and screw (33) to put tight again and constitute main body cover.Sealing ring (42) and sealing ring (43) play waterproof and dampproof sealing function here; Five, Peripheral Interface and method of attachment.Present embodiment with the example that is connected to of 81-1 formula automatic rifle, the formation of its interface is: supporting I (19) and supporting II (20) use four screws (37) and two pins (40) to be rigidly connected respectively, guarantee that the beam direction that mixes up does not change, and provide the junction for the interface of 81-1 formula automatic rifle; The interface of 81-1 formula automatic rifle constitutes double nip by two bearings (21), two hasps (22), two catch (23), two lock-screws (29), four screws (33), two screws (38) and two rivets (39).The effect of catch (23) is to supporting I (19) and supports II (20) and carry out spacingly when being connected with these two interfaces, makes it carry out quick and fastening being connected with lock-screw (29) with interface.The method of connecting interface and adjustment is: two screws (38) before and after unloading on the interface, again it is enclosed within on the gun barrel in 81-1 formula automatic rifle bullet exit, make sight main body mechanical axis and gun barrel axle almost parallel, with screw (38) it is anchored on the gun barrel, and puts tight lock-screw (29).Rifle is fixed on the object (as vice), and scale places 100m scale place, aims at a point with human eye on the target at 100m place.Sight is logical to power on, and takes off protecting cover (27), puts on the night vision helmet, regulates two adjustment screw of 120 ° (28) each other with special screwdriver, and hot spot and the human eye aiming point of laser on 100m place target coincided, and covers protecting cover (27).So far, laser has just replaced the human eye aiming point at the hot spot at 100m place, can implement the sighting at night shooting soonly and accurately.

Claims

1. general near-infrared laser sight, axis part at housing is laser output system and circuit board, the periphery is the beam direction regulating system, be connected by housing, connect Peripheral Interface in the housing outside, it is characterized in that: balsaming lens is connected with picture frame is gluing, and picture frame, Guang Lan, lens barrel, base, trim ring I (band light hurdle) and laser diode are linked in sequence into the laser output system on the two light hurdles of band by screw thread.Connect into core component with circuit board, trim ring II again; In the beam direction regulating system that adjustable ring, spring I, chassis, pressing plate, spring IV, protecting cover, adjustment screw, screw (34), screw (35), pin (4), steel ball constitute, the two ends of spring I contact with extend neck with lens barrel by the through hole of adjustable ring, two adjustment screw contact with lens barrel by the through hole of extend neck and the screw of adjustable ring, the steel ball in the chassis slot and the tooth head of adjustment screw contact, pressing plate, chassis and extend neck are linked in sequence by screw (35) and screw (34), and protecting cover is stuck on the pressing plate by pin (41); Cover glass covers gluing the connection with mirror, and Jing Gai, extend neck and bonnet are linked in sequence by screw thread, and cover plate is connected with bonnet by screw (33), constitutes closed shell with sealing ring (42) and sealing ring (43) again; An end of base is connected with extend neck, and an end and the base of spring II join, and the other end and adjustable ring join, and the outer surface of adjustable ring links to each other with extend neck, and the adjustment screw in the adjustable ring links to each other with extend neck with lens barrel; Supporting I is linked to each other with extend neck by screw (37), pin (40) with supporting II and is connected into general-purpose interface, Peripheral Interface is formed by connecting by rivet (39), screw (33) by bearing, hasp, catch, supporting I and supporting II are located by catch, and are connected with bearing by lock-screw.

2. general near-infrared laser sight according to claim 1 is characterized in that: the printed board in the circuit board is a double-clad board, two chip capacitors, and a current-limiting resistance pastes and is welded on the face, another side welding spring III.

3. general near-infrared laser sight according to claim 1 is characterized in that: the Shuan Guanglan in the laser output system, and a light hurdle is arranged on the trim ring I, and near laser diode, another light hurdle is installed in the laser output of balsaming lens.

4. general near-infrared laser sight according to claim 1 is characterized in that: the contact-making surface of base and extend neck is a ring-type sphere; Two adjustment screw and spring I are mutually 120 ° and contact with lens barrel is vertical, and the tooth head of adjustment screw is blocked by steel ball.

5. general near-infrared laser sight according to claim 1, it is characterized in that: supporting I and supporting II respectively by be mutually 120 ° two screws (37), a pin (40) is connected with extend neck, supporting I is square tenon with the part that supporting II is connected with bearing, and the coupled part of bearing is a square groove.