CN116538853A - Newton laser transmitter optical axis calibration device - Google Patents

Abstract

The invention discloses an optical axis calibration device of a Newton laser transmitter, which adopts a Newton telescope optical structure and combines an observation optical path and a laser imaging optical path, and comprises a lens cone, a target reticle, a large-view-field camera, a small-view-field camera, a display screen and a control box, wherein: a main mirror and a secondary mirror are arranged in the lens cone, a target reticle is positioned at a focus F of the main mirror, a target graph is printed on the target reticle, and the target graph can generate an infinite target after passing through the main mirror for an operator to watch and aim; the large-view-field camera and the small-view-field camera are positioned at two sides of the lens barrel in front of the focus F of the main lens and are used for directly observing the target reticle and the laser spots imaged on the target reticle; the control box is connected with the large-view-field camera, the small-view-field camera and the display screen and is used for supplying power to the camera and accessing video image signals, and meanwhile, the accessed video image signals are sent to the display screen for display. The invention improves the calibration precision of the laser transmitter.

Description

Newton laser transmitter optical axis calibration device

Technical Field

The invention relates to weaponry, in particular to an optical axis calibration device of a Newton laser transmitter.

Background

In the actual shooting of the weapon, after the shooter operates the weapon to aim at the target accurately, the shooting bullet can hit the target, that is, the aiming point and the hit point are coincident.

In laser combat training, the firing of bullets is simulated with a laser to train. The weapon is provided with a laser transmitter, the emitted laser simulates a bullet emitted by the weapon, a sensor is arranged on a target or the object, the sensor can sense and output a signal when the laser hits the object, and whether the target is hit or not is judged through the signal, so that shooting training is performed.

A common laser transmitter is mounted on the barrel or barrel. When a shooter aims at a target to emit laser light, the laser light should hit the target accurately. Therefore, the training effect is the same as that of actual combat, and the training purpose is achieved. Therefore, whether the hit point and the aiming line of the laser are consistent is very important, and the effect of shooting training is directly affected. For this purpose, all laser transmitters need to calibrate the optical axis, so that the laser transmitting point and the aiming point are accurately coincident. To achieve this effect, corresponding instrumentation is necessary to detect whether the performance is satisfactory.

In order to meet the requirement that the aiming point is consistent with the laser hit point, the laser transmitter is generally provided with an optical axis adjusting function, so that the pointing direction (optical axis) of the aiming light path is adjustable, or the optical axis of the laser transmitting light path is adjustable, and the aiming light path and the laser hit point are provided with adjusting functions. Common calibration methods are:

direct observation method: and on a longer distance, aiming points are aligned with the target, then the light spots of the laser are found through the observation equipment or the sensor, the aiming optical axis or the laser emission optical axis of the transmitter is adjusted according to the positions of the light spots deviating from the target, the deviation of the aiming points and the laser emission optical axis is checked again, and whether the light spots of the laser coincide with the aiming points or not is observed. If the error exists, the correction is continued until the two parts are completely overlapped. The method has the advantages of direct and clear effect, original method, low efficiency and easy influence by external environment.

The instrument detection method comprises the following steps: calibration of a laser transmitter is typically accomplished with the ultimate goal of having the laser emission axis parallel to the line of sight (or sighting axis). When the laser emission optical axis and the aiming optical axis are parallel, the aiming point can be well covered by the laser spot at different distances, so that the laser transmitter is usually calibrated by adopting the principle of the parallel method. In order to detect the parallelism of the two, some instruments and devices, such as a prism reflection type calibrator and a calibration method thereof, are designed, and in the method, an author skillfully utilizes the characteristic of a triple prism, namely the characteristic that the prism keeps parallel incident and emergent light paths in any gesture, and solves the problem that the distance between a sighting line and a laser emission optical axis is adjustable under the small window size. However, the processing and grinding of the triple prism are difficult and the cost is high, so that the triple prism is not beneficial to mass production and application.

For collimation and laser emission optical axis parallelism calibration, a laser distance measuring machine has similar requirements, for example, in a laser distance measuring calibrator of patent CN212694025U, an author uses a transmission collimator and a beam splitting optical path for detection, and can achieve corresponding measurement calibration effects, but the required optical element has high precision requirement, the system is built up in a complex way, and chromatic aberration caused by different wavelengths is easy to generate for the transmission collimator, namely, visible light of the collimation and infrared laser emitted by the laser have focusing imaging errors in the collimator, so that the final precision of the system is affected.

Disclosure of Invention

The invention aims to provide an optical axis calibration device of a Newton laser transmitter.

The technical solution for realizing the purpose of the invention is as follows: the utility model provides a Newton formula laser transmitter optical axis calibrating device adopts Newton formula telescope optical structure to with observing light path and laser imaging light path unification, including lens cone, target reticle, big visual field camera, little visual field camera, display screen and control box, wherein:

a main mirror and a secondary mirror are arranged in the lens cone, wherein the main mirror is a concave reflecting mirror, and the secondary mirror is a plane reflecting mirror and forms an inclination angle of 45 degrees with an optical axis;

the target reticle is positioned at the focus F of the main mirror, and a target graph is printed on the target reticle, and can generate an infinite target after passing through the main mirror for an operator to watch and aim;

the large-view-field camera and the small-view-field camera are positioned at two sides of the lens barrel in front of the focus F of the main lens and are used for directly observing the target reticle and the laser spots imaged on the target reticle;

the control box is connected with the large-view-field camera, the small-view-field camera and the display screen and is used for supplying power to the camera and accessing video image signals, and meanwhile, the accessed video image signals are sent to the display screen for display.

Furthermore, the large-view-field camera can observe a scene within an angle a range, and the value of the angle a is 30-70 degrees; the camera with a small view field can observe a scene within the angle range b, and the value of the angle b is 2-10 degrees.

Further, an entrance camera and a frosted glass plate are also arranged, wherein the entrance camera is arranged in the lens barrel, the frosted glass plate is fixed at the entrance of the lens barrel, and the whole frosted glass plate can be observed through the entrance camera, so that the incidence condition of an incident laser beam is determined.

Further, the control box and the display screen are combined together, wherein a switch is arranged on the control box and used for switching on or off the power supply of the whole device, and a gear shift switch is also arranged on the control box and used for switching the camera.

The Newton laser transmitter optical axis calibration method is based on the Newton laser transmitter optical axis calibration device, and realizes the laser transmitter optical axis calibration, and the specific process is as follows:

adjusting a laser transmitter (1) to aim at a remote target in the lens barrel (2) so as to ensure accurate aiming at the target;

after a target is accurately aimed, controlling a laser transmitter to emit a laser beam, and enabling the laser beam to strike a target reticle (6) through reflection of a primary mirror (3) and a secondary mirror (4) to form a laser spot on the target reticle (6);

at the moment, the large-view-field camera (7) is switched, the posture angle of the whole laser transmitter or the direction of the laser transmitting lens barrel (1-2) is adjusted, so that laser spots enter the central area of the target reticle (6), the small-view-field camera (8) is switched, the laser spots are further adjusted, the center of the laser spots is strictly centered in the target graph of the target reticle (6), and at the moment, the calibration work of two optical axes of the laser transmitter is completed.

Further, the process comprises the steps of operating the laser transmitter (1) to accurately aim the sighting telescope (1-2) at a target, and then adjusting the laser to make a laser spot at the center of the target. In some cases, the laser spot is first beaten at the center of the target, and then the laser transmitter (1) is adjusted to align the optical axis of the sighting telescope (1-2) to the center of the target, so that the effect of calibrating the laser transmitter is achieved.

Compared with the prior art, the invention has the remarkable advantages that: 1) The device has simple structure and convenient construction. Compared with other kinds of calibration equipment, the device has ingenious design, convenient and easy manufacture and processing, no parts which are difficult to process, and easy formation of large-scale products. 2) The device is easy to operate, and is intuitive and convenient to observe and search targets, and meanwhile, the gear switching is very simple and the operation is convenient. 3) The device adopts the reflective optical structure, so that imaging deviation caused by wavelength difference of infrared light and visible light is avoided, the problem of chromatic aberration caused by different wavelengths in a transmission system is thoroughly solved, and the working accuracy of the final device is improved. 4) The device adopts a method that two light paths of aiming and laser imaging share one main mirror, realizes the combination of the two light paths, avoids the error of two discrete light paths, and is beneficial to the guarantee of the working precision of the device.

Drawings

Fig. 1 is a schematic diagram of the calibration principle of a laser transmitter.

Fig. 2 is a schematic diagram of a newton telescope structure.

Fig. 3 is a system overall layout.

Fig. 4 is a calibration measurement state diagram.

Fig. 5 is a blank image observed by a large field camera.

Fig. 6 is a blank image observed by a small field camera.

Fig. 7 is an image of a laser spot observed by a large field camera.

Fig. 8 is an image of a large field camera with the laser spot adjusted to the center area.

Fig. 9 is an image of a small field of view camera looking at a laser spot.

Fig. 10 is a schematic diagram of a small field camera observing that a laser spot is accurately located in a central position.

Fig. 11 is a schematic view of an aiming reticle in an aiming scope.

Fig. 12 is a pattern seen in the scope when the scope is centered on the target division.

Fig. 13 is a schematic view of a laser incident position.

Fig. 14 is a schematic view showing a state in which the laser beam is deviated at the entrance.

Fig. 15 is a schematic view of a control box display.

The meaning of the reference numbers in the drawings:

1-laser transmitter, 1-1 sighting telescope, 1-2 laser transmitting lens cone, 2-lens cone, 3-primary mirror, 4-secondary mirror, 5-eyepiece, 6-target reticle, 7-large field of view camera, 8-small field of view camera, 9-entrance camera, 10-ground glass plate, 11-display screen, 12-control box.

The characters in the drawings indicate the meanings:

l-laser emission optical axis, A-sighting optical axis, E-eye, F-focus, P-laser spot (light spot), T-lens barrel entrance step, a-large field of view angle, b-small field of view angle, c-entrance opening angle, PR-entrance opening laser beam section, S-incident laser beam, K-switch, D-large field of view gear, X-small field of view gear, G-entrance field of view gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In order to achieve the effects of simple structure, good precision and easy operation, the invention designs the Newton reflection type laser transmitter calibration device. According to the basic structure of the Newton reflection telescope, the device designs the target reticle and the multipath image acquisition device, solves the chromatic aberration problem caused by the wavelength difference of visible light and infrared light, provides a plurality of convenient operation methods for users, ensures the optical axis calibration precision and improves the working efficiency.

As shown in fig. 1, a laser transmitter 1 generally includes a scope 1-1 and a laser transmitter barrel 1-2. The calibration work of the laser transmitter is to adjust the optical axis L of the laser transmitting lens barrel 1-2 and the aiming optical axis A of the aiming lens 1-1 of the laser transmitter through the observation of the calibration detection device, so that the two are in a parallel state.

The structure of a classical newton telescope is shown in figure 2. Newton telescopes use the principle of primary mirror imaging and re-observation. The lens barrel 2 includes a main mirror 3, a sub-mirror 4, and an eyepiece 5. The main mirror 3 is a concave mirror. The sub-mirror 4 is a plane mirror and has an inclination angle of 45 ° with respect to the optical axis. The side surface opposite to the secondary mirror 4 is provided with a hole for transmitting light, and an eyepiece 5 is arranged. The light rays in the distant place are converged after being reflected by the main mirror, then reflected and turned by the secondary mirror 4, and are converged at the side face for imaging, wherein the central focusing point is the focal point F of the main mirror 3, the plane passing through the focal point and perpendicular to the light path is a focal plane, and the imaged image is on the focal plane. The image is observed through the ocular 5, so that the enlarged remote scenery can be seen, and the basic function of the telescope is realized.

Classical newton telescopes are transmissive viewing of an image, i.e. the transmitted image is viewed behind the focal point F through the eyepiece 5. The device of the invention adopts a reflection type observation mode to observe images, and is essentially different from the conventional Newton telescope.

The device adopts a basic Newton telescope optical structure, combines an observation light path and a laser imaging light path, and uses a primary mirror for imaging. The lens barrel 2 includes a main mirror 3 and a sub-mirror 4. The main mirror 3 is a concave mirror. The sub-mirror 4 is a plane mirror and has an inclination angle of 45 ° with respect to the optical axis.

The device of the invention has no ocular, and a target observation mechanism is designed near the part, and the structure is as follows: a target reticle 6, a large-field-of-view camera 7, and a small-field-of-view camera 8 are designed. An inlet camera 9 and a ground glass plate 10 are also designed. As shown in fig. 3. The signals of the cameras are all connected to the control box 12, and the images of the selected cameras are switched and displayed on the display screen 11 through the switch of the control box 12.

The target reticle 6 is a whiteboard on which a target graphic is printed, as shown in fig. 5. The device is provided with a large-view-field camera 7 and a small-view-field camera 8 at two sides in front of a focus F, and directly observes a target reticle 6 and laser spots imaged on the target reticle 6. Both cameras view images formed from reflected light on the target reticle 6.

The alignment measurement is shown in fig. 4, in which the entrance ground glass plate 10 is set aside so that the laser beam L is directly incident on the large barrel 2. At the focus F of the primary mirror, a target reticle 6 is arranged, and a reticle pattern is arranged on the target reticle 6, see fig. 5. (the image is an example, and specific different patterns can be designed as required.) in fig. 4, an observer can see an enlarged pattern, i.e., the pattern shown in fig. 5, at L or a, at a distance, looking into the lens barrel 2. The remote graph can provide a target for the calibration work, and a worker operates the laser transmitter to aim the target by using the sighting telescope and transmit laser.

As described above, the generation of the target is generated by imaging the target reticle through the primary mirror; the incident laser is focused by the main mirror and then imaged on the target reticle, so that the target observation light path and the laser imaging light path work together through the main mirror, and share the same optical element of the main mirror.

As shown in fig. 4, a large-field camera 7 and a small-field camera 8 are mounted at positions on the side of the lens barrel 2. The range of viewing is different due to the different viewing angles of the two cameras. The large field camera 7 can observe the scene in the angle range a, and when no laser is emitted, the figure shown in fig. 5, namely the whole pattern of the target reticle, can be seen. The small-field camera 8 can observe the scene within the angle range b, as shown in fig. 6, namely, the central region part of the target reticle 6, so that the image is an enlarged image showing the central region of fig. 5, and more details of the central region can be seen, thereby improving the observation precision of the central region.

The observed angle range is mainly related to the focal length of the lens on the camera, the observed angle of view is large when the same camera is matched with a short-focus lens, and the observed angle of view is small when the same camera is matched with a long-focus lens. When the camera shoots a wide-angle scene, a short-focal-length fisheye lens can be matched; on the contrary, shooting distant objects (such as distant birds, which have small angles of view for the camera), a tele lens is required. In the present invention, the angle of view a may be in the range of 30 ° to 70 °, for example, when a viewing angle range of 70 ° can be seen in the image output from the camera, the laser light can be seen if striking the edge corner of the target reticle 6. The angle b may be about 2 ° to 10 °, for example, about 3 °, so that the picture of the camera only shows a small area on the target reticle, which is full of the picture, and the details thereof are clearly visible.

As shown in fig. 4, after the inlet blank 10 is removed, the target pattern as shown in fig. 5, which is present at infinity, is seen inward at the inlet of the barrel 2. The laser beam can directly enter the lens barrel 2 to emit laser to a distant target, and at the moment, the laser beam is reflected by the main mirror 3 and the secondary mirror 4 to strike the target reticle 6, so that the laser beam can be shot by the large-view-field camera 7, and an image shown in fig. 7 can be seen through a display screen, wherein P is a laser spot (light spot).

After the laser transmitter is erected, the laser points which are driven for the first time have randomness, and cannot be accurately driven at the center of the target reticle, and the laser points generally appear at any position, such as the upper right corner position shown in fig. 7, and are not in the central square area. Such a far off-center laser spot may not be visible in the image of the small field-of-view camera. The attitude angle of the laser transmitter in the whole machine or the direction of the laser transmitting lens barrel 1-2 is adjusted so that the laser spot enters the central square area as shown in figure 8. At this time, the image of the camera with small field of view is switched and displayed, and the image shown in fig. 9 is seen. The laser spot is further adjusted so that the center of the laser spot is strictly centered in the square frame, as shown in fig. 10, and the effect of accurately centering the target center by the laser is achieved. At this time, the calibration work of the two optical axes of the laser transmitter is completed.

In the above observation process, the large-view-field camera 7 is used for observing and searching the laser spot, and the small-view-field camera 8 is used for amplifying and observing the laser spot position in the central area, so as to perform accurate spot adjustment work.

In fig. 4, the eye E is looking into the scope 1-1, and can see the dividing line of the scope itself, such as the cross line shown in fig. 11, which is the cross point of the cross line, and the direction in which the point of the aim is pointed, i.e. the direction of the aiming optical axis of the scope. When the sighting telescope 1-1 aims into the lens barrel 2 to accurately aim at the target division center, the sighting telescope is in a pattern shown in fig. 12, namely, a cross sighting point is positioned at the center point of a target square.

The device can not only aim the laser transmitter at the target, but also display the hit position of the laser point. When the sighting telescope is used for aiming a target as shown in fig. 12, and the centering state of a laser spot as shown in fig. 10 is seen in the image of the small-view camera, namely, the laser emission optical axis and the sighting optical axis of the laser transmitter reach an accurate parallel state, and the optical axis calibration of the laser transmitter is completed.

In some cases, the laser spot is first beaten at the center of the target, and then the laser transmitter (1) is adjusted to align the optical axis of the sighting telescope (1-2) to the center of the target, so that the effect of calibrating the laser transmitter is achieved.

Since the laser beam is usually infrared light, the human eye cannot directly see the position of the laser beam, and the situation shown in fig. 13 sometimes occurs, that is, the laser transmitter deviates from a proper position and is deviated to the left edge, so that the laser beam cannot completely enter the lens barrel, and some laser beams are not completely incident, so that the problems of incomplete light beam, weak light spot, no light spot finding and the like occur. In order to prevent this problem, the present invention has devised an entrance camera for viewing. An entrance step T (as shown in fig. 4) is designed at the entrance edge of the barrel, and the ground glass plate 10 is placed in this step T as shown in fig. 13. An entrance camera 9 is arranged in the lens barrel 2, and a ground glass plate 10 mounted on an entrance step is observed, the entrance camera 9 has a corresponding angle of view c, and the entire ground glass plate can be observed, thereby observing the position of an incident laser beam.

The entrance camera 9 is positioned inside the entrance of the lens barrel 2, and is positioned at a proper depth from the side opening. The camera has the function of watching the ground glass plate 10 as much as possible with less shielding. When the camera is positioned at a position deeper from the edge, the camera leaves the ground glass plate and is close to the main mirror 3, the output image is better in shape and smaller in deformation, but when the camera is positioned too deep, the observation range of the camera is easily blocked by the secondary mirror 4. When the camera is positioned at a position shallower than the edge opening and is close to the ground glass plate, the lens needs to have a short focal length, and the output image is easy to deform. Therefore, the position of the entrance camera 9 should be located as deep as possible from the edge and not blocked by the secondary mirror.

As shown in fig. 13, when the laser beam is incident on the edge of the entrance, the state thereof is photographed by the entrance camera 9, and the live condition is seen on the display screen 11. As shown in fig. 14, the laser beam is not completely round on the ground glass plate, and has a portion outside the entrance edge, and cannot enter the barrel normally. Therefore, the entrance image observation can be used for checking whether the position of the laser transmitter is proper or not, and if the deviation occurs, the position of the laser transmitter is adjusted, so that the laser beam is completely incident, and the working efficiency and the accuracy of the system are improved. Generally, because the laser is infrared light, people cannot see where the laser is, and the situation that a lot of time is wasted because the laser cannot find the light beam often occurs in the past, and after the entrance camera 9 is designed, the position of the light beam can be quickly found, so that the working efficiency is greatly improved.

As shown in fig. 15, the control box 12 and the display screen 11 are combined together for easy operation and viewing. The control box 12 is provided with a switch K which can turn on or off the power supply of the whole device. The box body is provided with a gear shifting switch which points to 'D', 'X', 'G', and corresponding gear positions represent that the control box is connected with the large-view-field camera 7, the small-view-field camera 8 and the entrance camera 9 in a circuit mode, power is supplied to the camera, the video image signals are connected to the camera, and meanwhile the connected video image signals are sent to the display screen 11 for display. Fig. 15 shows a pattern of displaying a large field-of-view image. Fig. 13 and 4 show the gear states and image patterns of the entry field and the small field, respectively.

The calibration method is mainly aimed at the laser transmitters with sighting telescope, and some laser transmitters may be provided with other sighting jigs or without sighting jigs. For such sighting telescope-free laser transmitters, the device can also be used for calibrating the laser optical axis. For example, some of the simplest laser transmitters, are mounted on the rifle, and are calibrated as follows: aiming the sight on the gun by a user at the center of a target square frame in the aiming lens barrel 2 and keeping the gun body motionless, adjusting the laser point of the transmitter to move, and finally finishing the calibration of the gun and the laser transmitter when the laser spot is seen to be centered in the small view field image. Transmitters with other aiming modes can be calibrated by the device, and finally, the parallel effect of aiming lines and laser optical axes is achieved.

In summary, the main design points of the invention are as follows: and the optical axis observation calibration of the laser transmitter is carried out by adopting the basic layout of the Newton telescope structure and adopting a reflection type image observation mode. The observation light path and the laser imaging light path are combined into a whole, and the main mirror is shared for imaging. Two cameras with large and small view fields are designed and are used for searching and observing laser points; an entrance port frosted glass plate and a reverse camera are designed for observing the position of the incident laser. The control box is designed to include a display screen. The display screen displays an image of the target shot by the camera; the control box comprises a gear shift switch, and the display image can be switched at will. The reflective optical structure is adopted, deviation caused by wavelength difference of infrared light and visible light is avoided, the chromatic aberration problem is thoroughly solved, and the working accuracy of the final device is improved. The method that the two light paths of aiming and laser imaging share the same main mirror is adopted, so that the two light paths are combined into one, errors of two discrete light paths are avoided, and good working accuracy of the device is ensured.

The line of sight, aiming pattern and division pattern shown in the embodiments of the device of the present invention may be varied in forms, not limited to the forms shown in the drawings, and similar variations are within the scope of the device of the present invention.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.

Claims (6)

1. The utility model provides a Newton formula laser transmitter optical axis calibrating device, its characterized in that adopts Newton formula telescope optical structure to unify observation light path and laser imaging light path, a common primary mirror, including lens cone (2), target reticle (6), big visual field camera (7), little visual field camera (8), display screen (11) and control box (12), wherein:

a main mirror (3) and a secondary mirror (4) are arranged in the lens cone (2), the main mirror (3) is a concave reflecting mirror, and the secondary mirror (4) is a plane reflecting mirror and forms an inclination angle of 45 degrees with an optical axis;

the target reticle is positioned at the focus F of the main mirror, and a target graph is printed on the target reticle, and can generate an infinite target after passing through the main mirror (3) for an operator to watch and aim;

the large-view-field camera (7) and the small-view-field camera (8) are positioned at two sides of the lens barrel in front of the focus F of the main lens and are used for directly observing the target reticle (6) and laser spots imaged on the target reticle;

the control box (12) is connected with the large-view-field camera (7), the small-view-field camera (8) and the display screen (11) and is used for supplying power to the camera and accessing video image signals, and meanwhile, the accessed video image signals are sent to the display screen (11) for display.

2. The optical axis calibration device of the newton-type laser transmitter according to claim 1, wherein the large-view-field camera (7) can observe a scene within an angle range of a, and the value of the angle a is 30-70 degrees; the small view field camera (8) can observe a scene within the angle range b, and the value of the angle b is 2-10 degrees.

3. The newton-type laser transmitter optical axis calibration device according to claim 1, wherein an entrance camera (9) and a frosted glass plate (10) are further provided, wherein the entrance camera (9) is provided in the lens barrel (2), the frosted glass plate (10) is fixed at an entrance of the lens barrel, and the entire frosted glass plate (10) can be observed through the entrance camera (9), thereby determining an incident condition of an incident laser beam.

4. The optical axis calibration device of the newton-type laser transmitter according to claim 1, wherein the control box (12) and the display screen (11) are combined together, wherein a switch is arranged on the control box (12) for turning on or off the power supply of the whole set of device, and a shift switch is further arranged on the control box (12) for switching the camera.

5. A method for calibrating an optical axis of a newton-type laser transmitter, which is characterized by realizing the calibration of the optical axis of the laser transmitter based on the device for calibrating an optical axis of a newton-type laser transmitter according to any one of claims 1-4, and comprises the following specific steps:

adjusting a laser transmitter (1) to aim at a remote target in the lens barrel (2) so as to ensure the aim at the target;

after aiming at a target, controlling a laser transmitter to emit laser beams, wherein the laser beams are reflected by a primary mirror (3) and a secondary mirror (4) to strike a target reticle (6), and laser spots are formed on the target reticle (6);

at the moment, the large-view-field camera (7) is switched, the posture angle of the whole laser transmitter or the direction of the laser transmitting lens barrel (1-2) is adjusted, so that laser spots enter the central area of the target reticle (6), the small-view-field camera (8) is switched, the laser spots are further adjusted, the center of the laser spots is strictly centered in the target graph of the target reticle (6), and at the moment, the calibration work of two optical axes of the laser transmitter is completed.

6. The method for calibrating an optical axis of a newton-type laser transmitter according to claim 5, wherein, in turn, the laser spot is first hit at the center of the target, and then the laser transmitter (1) is adjusted so that the optical axis of the collimator (1-2) is aligned with the center of the target, thereby achieving the effect of calibrating the laser transmitter.