CN109708529B - Laser focusing striking system and method - Google Patents
Laser focusing striking system and method Download PDFInfo
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- CN109708529B CN109708529B CN201811598723.0A CN201811598723A CN109708529B CN 109708529 B CN109708529 B CN 109708529B CN 201811598723 A CN201811598723 A CN 201811598723A CN 109708529 B CN109708529 B CN 109708529B
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Abstract
The invention provides a laser focusing striking system and a method, wherein the laser focusing striking system comprises an imaging device, a laser focusing device and a laser focusing device, wherein the imaging device is used for clearly imaging a target to be struck and obtaining corresponding code value information during clear imaging; and the laser focusing and emitting device is used for acquiring the distance information of the target to be struck according to the code value-distance curve and the code value information, converging and outputting laser according to the distance information and realizing the striking of the target to be struck. By adopting the laser focusing striking system, the system does not need a distance measuring machine, can directly realize the convergence output of the laser to the target, enhances the striking effect and greatly simplifies the system.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a laser focusing striking system and a laser focusing striking method.
Background
The illegal flight of the unmanned aerial vehicle threatens national public safety, flight safety and even air defense safety. For example, the unmanned aerial vehicle is used for carrying out candid shooting and information stealing, and carrying substances harmful to public safety, and for example, a black flight event of the unmanned aerial vehicle occurs in an airport, so that a large number of flights are delayed to cause great loss, and the like. Therefore, the management and control of the unmanned aerial vehicle have become an important problem in the field of security protection nowadays.
In the laser application field, a mode that laser intercepts an unmanned aerial vehicle is provided, and the laser intercepting method has the advantages of high precision, high speed and small additional influence, so that the method is more and more emphasized in unmanned aerial vehicle hitting. In the prior art, to realize the maximum striking force on a target, laser focusing output is needed to increase the target power density, and for targets with different distances, the difficulty in realizing laser focusing is focusing feedback signals. In the existing method, focusing is realized through distance feedback, specifically, after target distance information is acquired, the focusing amount of a laser emission system is determined through distance. Generally, the following problems exist in obtaining distance information by using a laser ranging method: the echo signal aiming at the target with the small reflection section is weak, and the signal is difficult to receive by a common distance measuring machine; in addition, the output power of the current range finder system is basically 1Hz or below, and the measurement of a moving target is difficult to ensure; it is also difficult for the rangefinder to determine which signal is a valid signal in the case of complex background where the rangefinder acquires multiple return signals.
In view of the above, the present invention is intended to propose a laser focus percussion system that feeds back a target distance in accordance with image clarity.
Disclosure of Invention
The invention mainly aims to provide a laser focusing striking system and a laser focusing striking method, aims to provide a laser focusing striking system capable of feeding back a target distance according to image definition, and solves the problems of heavy striking system and complex structure.
To achieve the above object, the present invention provides a laser focus percussion system, comprising:
the imaging device is used for clearly imaging the target to be hit and obtaining corresponding code value information during clear imaging;
and the laser focusing and emitting device is used for acquiring the distance information of the target to be struck according to the code value-distance curve and the code value information, converging and outputting laser according to the distance information and realizing the striking of the target to be struck.
Preferably, the system further comprises:
the signal transmission device is connected with the laser focusing transmitting device and the imaging device and used for sending the code value information obtained by the imaging device to an analysis device and sending a control signal generated by the relationship between the distance information obtained by the analysis device and an encoder in the laser focusing transmitting device to the laser focusing transmitting device;
the analysis device is used for acquiring code value information which is transmitted by the signal transmission device and determined by the imaging device, and obtaining distance information of a target to be hit according to the code value information and the code value-distance curve analysis; and the control signal is generated according to the corresponding relation between the distance information and the encoder in the laser focusing and transmitting device and is sent to the signal transmission device.
Preferably, the imaging device includes an imaging main body, a first lens barrel disposed at a front end of the imaging main body, a front imaging lens group disposed at a front end of the first lens barrel, a first focusing motor mounted on the imaging main body, a driving member connected to the first focusing motor, a first encoder connected to the driving member, a first focusing lens group disposed inside the imaging main body, and an imaging camera disposed at an end of the imaging main body far from the first lens barrel; the focusing mirror group is connected with the first focusing motor and used for distance compensation under the driving of the first focusing motor so as to realize clear imaging.
Preferably, the drive member is a gear.
Preferably, the laser focusing and launching device includes a second lens barrel, a focusing lens group mounted at the front end of the second lens barrel, a focusing motor and a second encoder mounted on the body of the second lens barrel, and an alignment joint mounted at an end of the second lens barrel remote from the focusing lens group, the focusing lens group is connected to both the second focusing motor and the second encoder, the second focusing motor and the second encoder guide the focusing lens group to a corresponding position upon receiving a control signal sent according to distance information of an object to be hit, and the alignment joint is used for introducing laser into the laser focusing and launching device.
Preferably, the laser focusing percussion system further comprises a housing, and the imaging device and the laser focusing emitting device are both mounted inside the housing; the imaging front mirror group of the imaging device and the focusing mirror group of the laser focusing and emitting device face the same end of the shell.
Preferably, an imaging window mirror is arranged on the housing, close to an end face of the imaging front lens group of the imaging device, and is used for protecting the imaging window mirror.
Preferably, an emission window mirror is arranged on the end surface of the shell, which is close to the focusing mirror group of the laser focusing and emitting device, and is used for protecting the emission window mirror.
Further, to achieve the above object, the present invention also proposes a focus striking method, comprising the steps of:
step S10, clearly imaging the target to be hit, and acquiring code value information corresponding to clear imaging;
step S20, acquiring distance information of the target to be hit according to the code value-distance curve and the code value information when the current target to be hit is clearly imaged;
and step S30, converging the laser according to the obtained distance information of the target to be waited for, and converging and striking the laser on the target to be struck.
Preferably, the step S10 is preceded by:
step S11, adjusting the front-back distance of a focusing mirror group in the imaging device to perform distance compensation so as to realize clear imaging of the set target;
step S12, recording corresponding position information of the focusing mirror group when the set target is imaged clearly through a second encoder in the imaging device to form a distance-code value relationship;
and step S13, continuously adjusting the distance of the set target, and repeating the steps S11 and S12 to obtain a distance-code value curve.
The laser focusing striking system comprises an imaging device, a laser focusing device and a laser focusing device, wherein the imaging device is used for clearly imaging a target to be struck and obtaining corresponding code value information during clear imaging; and the laser focusing and emitting device is used for acquiring the distance information of the target to be struck according to the code value-distance curve and the code value information, converging and outputting laser according to the distance information and realizing the striking of the target to be struck. By adopting the laser focusing striking system, the system does not need a distance measuring machine, can directly realize the convergence output of the laser to the target, enhances the striking effect and greatly simplifies the system.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of the laser focusing striking method of the present invention;
FIG. 2 is a schematic structural diagram of a laser focusing percussion system according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the imaging device of FIG. 2;
FIG. 4 is a schematic structural diagram of the laser focusing and emitting device in FIG. 2;
fig. 5 is a schematic flow chart of an embodiment of a laser focusing striking method according to the present invention.
In the figure:
7-laser focusing emitter, 8-imaging device, 9-shell, 10-drive circuit, 11-signal transmission device, 12-imaging window lens, 13-emission window lens, 7.1-focusing lens group, 7.2-second encoder, 7.3-second focusing motor, 7.4-second lens cone, 7.5-collimation joint piece, 8.1-imaging front lens group, 8.2-first lens cone, 8.3-gear, 8.4-first encoder, 8.5-first focusing motor and 8.6-imaging camera.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical problems solved, the technical solutions adopted and the technical effects achieved by the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings and the specific embodiments. It is to be understood that the described embodiments are merely a few, and not all, of the embodiments of the present application. All other equivalent or obviously modified embodiments obtained by the person skilled in the art on the basis of the embodiments presented in the present application fall within the scope of protection of the invention without inventive step. The embodiments of the invention can be embodied in many different ways as defined and covered by the claims.
It should be noted that in the following description, numerous specific details are set forth in order to provide an understanding. It may be evident, however, that the subject invention may be practiced without these specific details.
It should be noted that, unless explicitly defined or conflicting, the embodiments and technical features in the present invention may be combined with each other to form a technical solution.
The invention provides a laser focusing striking system, and aims to provide a laser focusing striking system capable of feeding back a target distance according to image definition.
Referring to fig. 1 and 2, the laser focusing and striking system of the present invention includes:
the imaging device 8 is used for clearly imaging the target to be hit and obtaining corresponding code value information during clear imaging;
and the laser focusing and emitting device 7 is used for acquiring the distance information of the target to be struck according to the code value-distance curve and the code value information, converging and outputting laser according to the distance information, and striking the target to be struck.
The principle of the laser focusing striking system of the embodiment of the invention for striking the target by laser is as follows:
the laser focusing striking system images a target A3 to be struck through the imaging device 8, and distance compensation needs to be carried out on front and back adjustment of a focusing mirror set B2 in the imaging device 8 due to different distances of the target A3 to be struck, so that clear imaging is realized. The focusing lens group B2 has different corresponding positions corresponding to different distances, and a distance-code value curve can be formed by recording through the imaging device 8.
When the laser light is guided into the system through the optical fiber collimating unit a1 to realize focusing striking on a target, the adjustment of the focusing mirror group a2 needs to be guided by the distance information of the target A3 to be struck. In the early stage, the calibration of the distance information and the focusing code value needs to be completed. If the target has been imaged clearly on the camera B1, the distance of the target A3 to be struck can be obtained according to the code value given by the imaging device 8 and by combining the distance-code value curve, and the information directly guides the focusing lens group a2 to adjust to the optimal focusing position, so as to achieve convergent striking of the target A3 to be struck.
The laser focusing striking system comprises an imaging device 8, wherein the imaging device 8 is used for clearly imaging a target to be struck and obtaining corresponding code value information when the target is clearly imaged. The laser focusing striking system further comprises a laser focusing transmitting device 7, wherein the laser focusing transmitting device 7 is used for acquiring code value information obtained according to the imaging device 8, obtaining distance information of a target to be standby by combining a code value-distance curve, and converging and outputting laser according to the distance information so as to achieve laser converging striking of the target to be struck.
In another preferred embodiment, the system further comprises:
the signal transmission device 11 is connected with the laser focusing transmitting device 7 and the imaging device 8, and is used for sending the code value information obtained by the imaging device 8 to an analysis device and sending a control signal generated by the relationship between the distance information obtained by the analysis device and the encoder in the laser focusing transmitting device 7 to the laser focusing transmitting device 7;
the analysis device is used for acquiring code value information which is transmitted by the signal transmission device 11 and determined by the imaging device 8, and obtaining distance information of the target to be hit according to the code value information and the code value-distance curve analysis; and also for use in dependence upon the distance information.
In the present embodiment, the code value information of the imaging device 8 is transmitted to the analysis device by the signal transmission device 11, and the signal transmission device 11 is used for transmitting image information at the time of imaging by the imaging device 8, and also for transmitting control information and the like. The analysis device is used for carrying out image operation analysis according to the acquired image information so as to send control information to the imaging device 8 and control the imaging device 8 to adjust the image to the clearest state. The analysis device is further configured to, when code value information of the imaging device 8 transmitted by the signal transmission device 11 is acquired, obtain distance information corresponding to the current code value information according to the code value information by combining code value-distance curve analysis collected in a previous system, send a control signal to the laser focus emitting device 7 according to the distance information, control the laser focus emitting device 7 to adjust to a focus optimal state according to the distance information, output laser convergence, and achieve convergence striking of a target to be struck.
Further, referring to fig. 3, the imaging device 8 includes an imaging main body, a first lens barrel 8.2 disposed at a front end of the imaging main body, a front imaging lens group 8.1 disposed at a front end of the first lens barrel 8.2, a first focusing motor 8.5 mounted on the imaging main body, a driving member connected to the first focusing motor 8.5, a first encoder 8.4 connected to the driving member, a focusing lens group disposed inside the imaging main body, and an imaging camera 8.6 disposed at an end of the imaging main body far from the first lens barrel 8.2; the focusing mirror group is connected with the first focusing motor 8.5 and used for distance compensation under the driving of the first focusing motor 8.5 so as to realize clear imaging.
The imaging device 8 is mainly used for realizing clear imaging of a target to be hit and laying a foundation for focus adjustment and subsequent precise tracking. The imaging lens group comprises an imaging front lens group 8.1, a first lens cone 8.2, a gear 8.3, a first encoder 8.4, a first focusing motor 8.5 and an imaging camera 8.6. When a target to be hit enters the field of view of the imaging camera 8.6, the position of a focusing mirror group is adjusted through a first focusing motor 8.5, so that the target can be imaged clearly; at this time, the rotation of the gear 8.3 drives the first encoder 8.4 to give an output code value, and distance information can be acquired from the distance-code value curve.
Further, referring to fig. 4, the laser focusing and emitting device 7 includes a second lens barrel 7.4, a focusing lens group 7.1 installed at a front end of the second lens barrel 7.4, a second focusing motor 7.3 and a second encoder 7.2 installed on a barrel body of the second lens barrel 7.4, and a collimating joint 7.5 installed at one end of the second lens barrel 7.4 far away from the focusing lens group 7.1, the focusing lens group 7.1 is connected to both the second focusing motor 7.3 and the second encoder 7.2, the second focusing motor 7.3 and the second encoder 7.2 guide the focusing lens group 7.1 to a corresponding position upon receiving a control signal sent according to distance information of an object to be hit, and the collimating joint 7.5 is used for introducing laser into the laser focusing and emitting device 7.
Wherein the laser focusing and emitting device 7 is mainly used for realizing laser convergence output. The device comprises a focusing lens group 7.1, a second encoder 7.2, a second focusing motor 7.3, a second lens cone 7.4 and a collimation connecting piece 7.5. After the distance information of the target to be standby is acquired, the second focusing motor 7.3 adjusts the focusing mirror group 7.1 to the optimal focusing position, and the position feedback information is given by a second encoder 7.2; the collimation joint piece 7.5 is in butt joint with the optical fiber collimating mirror, and the laser is introduced into the laser focusing and emitting system.
Further, the laser focusing percussion system also comprises a shell 9, and the imaging device 8 and the laser focusing transmitting device 7 are both arranged inside the shell 9; the imaging front mirror group 8.1 of the imaging device 8 and the focusing mirror group 7.1 of the laser focusing and emitting device 7 face to the same end of the shell 9. The imaging device is located below the laser focusing and emitting device and is mounted in the housing in parallel.
In addition, an imaging window mirror 12 is disposed on the end face of the housing 9 close to the imaging front mirror group 8.1 of the imaging device 8, for protecting the imaging window mirror 12. An emission window mirror 13 is arranged on the end surface of the shell 9, which is close to the focusing mirror group 7.1 of the laser focusing and emitting device 7, and is used for protecting the emission window mirror 13.
In another embodiment, a driving circuit 10 is further disposed in the housing 9 of the laser focusing percussion system, and the driving circuit 10 is disposed at one side of the imaging device 8. The driving circuit 10 is used for supplying power required for operation to the imaging device and the laser focus transmitting device and the signal transmission device in the laser focus striking system.
In addition, the present invention also provides a laser focusing percussion method, referring to fig. 5, the method is used in the laser focusing percussion system as described above, and the method includes the following steps:
step S10, clearly imaging the target to be hit, and acquiring code value information corresponding to clear imaging;
step S20, acquiring distance information of the target to be hit according to the code value-distance curve and the code value information when the current target to be hit is clearly imaged;
and step S30, converging the laser according to the obtained distance information of the target to be waited for, and converging and striking the laser on the target to be struck.
In the embodiment of the present invention, the target to be hit is clearly imaged by the imaging device 8. Specifically, in the process of sharp imaging, the imaging device 8 is controlled to be adjusted to a state of forming a clearest image through the analysis device according to image operation and analysis, specifically, the first focusing motor 8.5 in the imaging device 8 is controlled to send a control signal, and the first focusing motor 8.5 in the imaging device 8 is controlled to adjust the position of the focusing lens group, so that the imaging front lens group 8.1 of the target in the imaging device 8 forms a sharp image. In the process, the first encoder 8.4 in the imaging device 8 receives the corresponding code value information and transmits it to the evaluation device via the signal transmission device 11.
When the analysis device acquires the code value information sent by the first encoder 8.4 of the imaging device 8, the distance information of the target to be struck corresponding to the code value information is further obtained according to the code value-distance curve analysis. It should be noted that the code value-distance curve is obtained through a previous training, and specifically, the method for obtaining the code value-distance curve includes the following steps:
step S11, adjusting the front-back distance of the focusing mirror group to perform distance compensation so as to realize clear imaging of the set target;
step S12, recording the corresponding position information of the focusing mirror group when the set target is imaged clearly through a first encoder 8.4 in the imaging device 8, and forming a distance-code value relationship;
and step S13, continuously adjusting the distance of the set target, and repeating the steps S11 and S12 to obtain a distance-code value curve.
The analysis device sends control information to the laser focus emitting device 7 according to the obtained distance information, so that the second focusing motor 7.3 in the laser focus emitting device 7 reaches a corresponding position, and the focusing of the laser on a target position can be realized at the moment.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. . Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (8)
1. A laser focus peening system, characterized in that the system comprises:
the imaging device is used for clearly imaging the target to be hit and obtaining corresponding code value information during clear imaging;
the laser focusing and emitting device is used for acquiring distance information of the target to be struck according to the code value-distance curve and the code value information, converging and outputting laser according to the distance information and achieving striking of the target to be struck;
the imaging device comprises an imaging main body, a first lens cone arranged at the front end of the imaging main body, an imaging front lens group arranged at the front end of the first lens cone, a first focusing motor arranged on the imaging main body, a driving piece connected with the first focusing motor, a first encoder connected with the driving piece, a focusing lens group arranged in the imaging main body and an imaging camera arranged at one end of the imaging main body far away from the first lens cone; the focusing mirror group is connected with the first focusing motor and is used for distance compensation under the driving of the first focusing motor so as to realize clear imaging;
the laser focusing emission device comprises a second lens cone, a focusing lens group arranged at the front end of the second lens cone, a second focusing motor and a second encoder arranged on the lens body of the second lens cone, and a collimation joint piece arranged at one end, far away from the focusing lens group, of the second lens cone, the focusing lens group is connected with the second focusing motor and the second encoder, the second focusing motor and the second encoder guide the focusing lens group to reach a corresponding position after receiving a control signal sent according to the distance information of a target to be hit, and the collimation joint piece is used for introducing laser into the laser focusing emission device.
2. The laser focused percussion system according to claim 1, characterized in that it further comprises signal transmission means and analysis means, wherein:
the signal transmission device is connected with the laser focusing transmitting device and the imaging device and is used for sending the code value information obtained by the imaging device to the analysis device and sending a control signal generated by the relationship between the distance information obtained by the analysis device and the encoder in the laser focusing transmitting device to the laser focusing transmitting device;
the analysis device is used for acquiring code value information which is transmitted by the signal transmission device and determined by the imaging device, and obtaining distance information of a target to be hit according to the code value information and the code value-distance curve analysis; and the control signal is generated according to the corresponding relation between the distance information and the encoder in the laser focusing and transmitting device and is sent to the signal transmission device.
3. The laser focusing peening system of claim 1, wherein the drive member is a gear.
4. The laser focusing percussion system according to any one of claims 1 to 3, wherein the laser focusing percussion system further comprises a housing, the imaging device and the laser focusing emitting device are both mounted inside the housing; the imaging front mirror group of the imaging device and the focusing mirror group of the laser focusing and emitting device face the same end of the shell.
5. The laser focusing percussion system according to claim 4, wherein an imaging window mirror is disposed on the housing near an end surface of the imaging front lens group of the imaging device for protecting the imaging window mirror.
6. The laser focusing percussion system according to claim 5, wherein a transmitting window mirror is provided on the housing near an end surface of the focusing mirror group of the laser focusing transmitting device for protecting the transmitting window mirror.
7. A laser focus peening method, comprising the steps of:
step S10, clearly imaging the target to be hit, and acquiring code value information corresponding to clear imaging;
step S20, acquiring distance information of the target to be hit according to the code value-distance curve and the code value information when the current target to be hit is clearly imaged;
step S30, converging laser according to the obtained distance information of the target to be struck, and converging and striking the target to be struck;
the step S10 is completed by the imaging device, and the steps S20, S30 are completed by the laser focus emitting device;
the imaging device comprises an imaging main body, a first lens cone arranged at the front end of the imaging main body, an imaging front lens group arranged at the front end of the first lens cone, a first focusing motor arranged on the imaging main body, a driving piece connected with the first focusing motor, a first encoder connected with the driving piece, a focusing lens group arranged in the imaging main body and an imaging camera arranged at one end of the imaging main body far away from the first lens cone; the focusing mirror group is connected with the first focusing motor and is used for distance compensation under the driving of the first focusing motor so as to realize clear imaging;
the laser focusing emission device comprises a second lens cone, a focusing lens group arranged at the front end of the second lens cone, a second focusing motor and a second encoder arranged on the lens body of the second lens cone, and a collimation joint piece arranged at one end, far away from the focusing lens group, of the second lens cone, the focusing lens group is connected with the second focusing motor and the second encoder, the second focusing motor and the second encoder guide the focusing lens group to reach a corresponding position after receiving a control signal sent according to the distance information of a target to be hit, and the collimation joint piece is used for introducing laser into the laser focusing emission device.
8. The laser focus hammering method according to claim 7, wherein the step S10 is preceded by:
step S11, adjusting the front-back distance of a focusing mirror group in the imaging device to perform distance compensation so as to realize clear imaging of the set target;
step S12, recording corresponding position information of the focusing mirror group when the set target is imaged clearly through a first encoder in the imaging device to form a distance-code value relationship;
and step S13, continuously adjusting the distance of the set target, and repeating the steps S11 and S12 to obtain a distance-code value curve.
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| CN108381034A (en) * | 2018-03-23 | 2018-08-10 | 王雪燕 | A kind of laser auto focusing obstacle eliminating system and control method |
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