CN114971508A - Prism manufacturing method, system, computer device and computer readable storage medium - Google Patents
Prism manufacturing method, system, computer device and computer readable storage medium Download PDFInfo
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- CN114971508A CN114971508A CN202111384428.7A CN202111384428A CN114971508A CN 114971508 A CN114971508 A CN 114971508A CN 202111384428 A CN202111384428 A CN 202111384428A CN 114971508 A CN114971508 A CN 114971508A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The present disclosure provides a prism manufacturing method, a prism manufacturing system, a computer device, and a computer-readable storage medium. The prism manufacturing method comprises a light path determining step, wherein a reflection light path of a standard sample is determined through the standard sample and an optical debugging system; a reflector positioning step, namely positioning a reflector to enable a reflection light path of the reflector to correspond to a reflection light path of the standard sample; and a bonding step of placing the center block corresponding to the mirror and bonding the mirror and the center block. The utility model discloses can realize that prism preparation process is simple, need not the finishing impression and has improved production efficiency, need not integrative mould pressing and has improved the assembly and debugging precision, reduced manufacturing cost.
Description
Technical Field
The present disclosure relates to a prism manufacturing method, a prism manufacturing system, a computer apparatus, and a computer-readable storage medium.
Background
With the development of laser technology, laser scanning technology is more and more widely applied to the fields of measurement, traffic, driving assistance, mobile robots and the like. The laser radar is a radar system for detecting the position, speed and other characteristic quantities of a target by laser, and the working principle of the radar system is that a detection laser beam is firstly emitted to the target, then a signal reflected from the target is received and compared with an emitted signal, and after appropriate processing, the information of the distance, direction, height, speed, attitude, even shape and the like of the target can be obtained.
The laser radar prism is used for reflecting to form a plurality of continuous line scanning lines when laser is incident on the surface of the continuously rotating polygon prism, identifying an external object and forming a point cloud, so that subsequent algorithm processing is performed. The lidar prism is typically fabricated on a glass substrate (e.g., optical glass or fused silica), but the coating may also be applied directly to the laser crystal, e.g., a monolithic laser. For a lidar prism, the properties of the substrate are very important, and a curved surface may be present which may lead to focusing or defocusing of the lidar prism. In order to improve the identification precision, the requirements on parameters such as the flatness of the prism, the angle difference of adjacent surfaces and the like are high.
In the prior art, the laser radar prism is processed in a mode that a mould pressing machine is used for carrying out integrated mould pressing and cooling on molten glass, then high-precision fine engraving and polishing are carried out on each surface of the glass subjected to mould pressing and cooling to form a required reflecting surface, the reflecting surface is coated with a film after polishing is finished, and the prism is processed after the test is qualified. In the prior art, the laser radar prism is complex in processing flow, low in integrated mould pressing precision, long in engraving time and high in cost, and accurate engraving and accurate polishing are matched for subsequent treatment.
Disclosure of Invention
The present disclosure has been made to solve the above problems, and an object of the present disclosure is to provide a method, an apparatus, a device, and a storage medium for manufacturing a prism, which are simple and convenient in processing flow, high in accuracy, free from finishing engraving, and low in cost. This disclosure provides this summary in order to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
In order to solve the above technical problem, an embodiment of the present disclosure provides a method for manufacturing a prism, which adopts the following technical scheme:
the prism is used for a laser radar, and comprises a reflecting mirror and a central block, and is characterized in that the method comprises the following steps:
a light path determining step, wherein a reflection light path of a standard sample is determined through the standard sample and an optical debugging system;
a reflector positioning step, namely positioning the reflector to enable a reflection light path of the reflector to correspond to a reflection light path of the standard sample; and
a bonding step of placing the center block corresponding to the mirror and bonding the mirror and the center block.
In order to solve the above technical problem, an embodiment of the present disclosure further provides a prism manufacturing system, which adopts the following technical solution, including:
the prism is used for laser radar, including speculum and center block, its characterized in that includes:
the first positioning device is used for positioning the standard sample, the reflecting mirror and the central block;
the optical debugging system is used for determining a reflection light path according to the standard sample;
the second positioning device is used for finely adjusting the reflector according to the reflection light path so as to correspond to the reflection light path of the standard sample; and
an engaging means for engaging the mirror with the center block disposed correspondingly to the mirror.
In order to solve the above technical problem, an embodiment of the present disclosure further provides a computer device, which adopts the following technical solutions:
comprising a memory having a computer program stored therein and a processor that, when executed, causes the prism manufacturing system described above to implement the method as described above.
In order to solve the above technical problem, an embodiment of the present disclosure further provides a computer-readable storage medium, which adopts the following technical solutions:
the computer readable storage medium has stored thereon a computer program which, when executed by a processor, causes the prism manufacturing system described above to implement the method as described above.
According to the technical scheme disclosed by the disclosure, compared with the prior art, the method can be used for completing the prism manufacturing and processing flow by completely different from a laser radar prism manufacturing method in the prior art and only jointing the reflector corresponding to the light path after the light path debugging is carried out through the standard sample, the precision reduction caused by the mould pressing problem can be avoided, the processing flow is simple, the production efficiency is improved without fine engraving, the assembling and debugging precision is improved without integral mould pressing, and the production cost is reduced.
Drawings
FIG. 1 is an exemplary system architecture diagram in which the present disclosure may be applied;
FIG. 2 is a flow chart of one embodiment of a method of making a prism according to the present disclosure;
FIG. 3 is a schematic structural diagram of one embodiment of a prism manufacturing system according to the present disclosure;
FIG. 4 is a schematic diagram of one embodiment of a prism manufacturing system according to the present disclosure;
FIG. 5 is a schematic block diagram of one embodiment of a computer device according to the present disclosure.
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and elements are not necessarily drawn to scale.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure; the terms "including" and "having," and any variations thereof in the description and claims of this disclosure and the description of the above-described figures, are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of the present disclosure or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the disclosure. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
In order to make the technical solutions of the present disclosure better understood by those skilled in the art, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings.
[ method for producing prism ]
First, an embodiment of one or more prisms of the present disclosure, which are used for a laser radar, is explained, and unlike the prism of the related art in which a coating film is coated on a glass substrate, the prism of the present disclosure includes a reflecting mirror and a center block, which are fabricated by bonding the reflecting mirror to the center block.
In one or more embodiments, the material of the central block includes at least one or a combination of several materials such as a metal block, a ceramic block, a stone block, a bonded mortar block, a cement block, a calcium silicate block, a gypsum block, etc., and in one or more embodiments, the central block is preferably a metal block, a ceramic block, a brick block, etc. with smooth and flat surface for facilitating the bonding process with the reflector, and is most preferably a metal material such as aluminum alloy or stainless steel, etc., without limitation.
In one or more embodiments, the shape of the center block may be, for example, a cylinder, a rectangular parallelepiped, a square, an ellipsoid, another polygonal body, or the like, and the size, height, density, or the like of the cross-sectional area of the center block is not particularly limited and may be selected according to a desired reflection effect or the like.
In one or more embodiments, the reflector may be provided with more than one reflector as needed, and attached to each surface of the central block, and completely cover each surface of the central block, or may cover a part of the surface of the central block as needed, or may be arranged on each surface of the central block at equal intervals in a matrix pattern, or may be arranged on each surface of the central block in other intervals, layouts, and patterns, without limitation.
In one or more embodiments, the means of coupling the mirror to the center block may include, for example, physical means and/or chemical means, such as at least any one of sewing, stapling, riveting, bolting, snapping, micro-hooking, gluing, welding. The bonding method is preferably an adhesive method, and for example, the bonding method is performed by at least one of an adhesive, a double-sided tape, a graft-base tape, a polyurethane composite tape, an epoxy resin, a curing agent, an accelerator, a water-based elastic coating material, a water-based resin, a water-based eco-friendly composite tape, a flame retardant, and a dispersant.
In one or more embodiments, the bonding manner may be, for example, bonding with an adhesive or a glue, and the material of the adhesive or the glue may include, but is not limited to, a universal super-adhesive type, a universal strong-adhesive type, a refrigerated food strong-adhesive type, a universal re-release type, a fiber re-release type, and the like.
Referring to fig. 2, a flow diagram of one embodiment of a method of making a prism according to the present disclosure is shown. The method comprises the following steps:
and an optical path determining step S21, wherein the reflected optical path of the standard sample is determined through the standard sample and the optical debugging system.
In one or more embodiments, the standard sample is, for example, a prism that is processed by a high-precision milling machine and then coated, and the prism of the standard sample includes at least one optical surface, for example, a penta-prism, and a set of optical debugging system is disposed on each optical surface.
In the optical path determining step S21, the standard is positioned by the first positioning means, and the optical debugging system is adjusted for each optical surface.
In one or more embodiments, the first positioning device comprises preset positions corresponding to the mirror and the central block, respectively.
In one or more embodiments, the method further comprises designing the first positioning device according to a preset structure. For example, the tool, i.e. the first positioning device, is correspondingly supported and placed according to the required laser radar prism structure design, corresponding grooves and/or holes are designed, and the grooves and/or holes of the first positioning device are utilized to position and place parts such as a standard sample, a reflector, a central block and the like.
In one or more embodiments, the optical commissioning system includes, for example, an angle correction device to correct an angle of the optical path, and in one or more embodiments, the angle correction device may be a micro-autocollimator, such as any one of an optical autocollimator, an electro-optical autocollimator, a laser collimator, and the like.
In the optical path determining step S21, the vertical angle difference of the angle correcting means from the corresponding optical surface of the standard sample is adjusted to satisfy a preset range. In one or more embodiments, the angle correction device locks the autocollimator with a perpendicular angle difference from the corresponding optical surface of the standard, e.g., no greater than 2.5 arcseconds.
In one or more embodiments, the optical commissioning system further includes, for example, a displacement correction device including a laser light source and a position sensitive detector including, for example, a variety of position sensitive detection systems such as a four Quadrant Detector (QD), a lateral effect detector (PSD), a CCD/CMOS type detector, and the like. The laser light source and the position sensitive detector are arranged in the horizontal normal plane direction of the corresponding optical effective surface.
In the optical path determining step S21, the laser light source is adjusted to emit light beams toward the horizontal normal plane direction of the corresponding optical surface of the standard. And the direction of the laser light source and the horizontal normal plane direction of the corresponding optical surface of the standard sample are not more than 10 degrees, the reflected light of the corresponding optical surface is received through the central position of the receiving surface of the position sensitive detector, and the X/Y coordinate value reflected on the position sensitive detector at the moment is recorded.
A mirror positioning step S22 of positioning a mirror so that a reflection light path thereof corresponds to a reflection light path of the standard sample; in one or more embodiments, the number of mirrors can correspond to the number of optical surfaces of the standard, but can of course be less than the number of optical surfaces of the standard as desired.
In one or more embodiments, in the step S22, after the first positioning device coarsely adjusts the positioning mirror according to the preset position corresponding to the mirror, the second positioning device finely adjusts the mirror to correspond to the reflected light path of the standard sample. As described above, for example, the first positioning device is provided with the groove corresponding to the position of the optical surface of the standard sample, and the width of the groove is substantially wider than the thickness of the mirror, so that the mirror of each surface can be substantially held to realize coarse positioning of the mirror.
In one or more embodiments, the second positioning device includes, for example, a robotic arm, a support frame on the robotic arm, and a suction member at an end of the support frame.
In one or more embodiments, the suction component is, for example, a suction nozzle or other patch, for example, the number, size, and layout of the suction nozzles are not particularly limited, and the number, size, and layout of the suction nozzles may be selected according to a desired suction effect. Here, the number of the suction nozzles is at least three, but may be more, and is not limited. The layout of the suction nozzles can be arranged in a triangular pattern, and can also be arranged in a rectangular, square, circular and other patterns, or in an irregular distribution pattern such as a concentric ring pattern. The nozzles may be arranged at equal intervals, but are not limited to being arranged at equal intervals and arranged at other intervals. The suction nozzle can be made of silica gel, and can be made of rubber, plastic and other materials capable of achieving the adsorption effect. The adsorption method may be physical adsorption, chemical adsorption or ion exchange adsorption, and may be, for example, isothermal adsorption, temperature swing adsorption, constant pressure adsorption, pressure swing adsorption, electromagnetic adsorption, and adhesive adsorption, without limitation. Preferably by pressure swing suction.
In one or more embodiments, the mirror is attracted, for example, using a three-point attraction such as air-attraction. The three-point adsorption mode is that a vacuum negative pressure machine is used for communicating at least three suction nozzles made of silica gel materials, the three suction nozzles are supported by the support frame and then are controlled to feed through the mechanical arm, and the feeding amount is set according to the state of the suction nozzles adsorbed on the standard sample. The layout of the three suction nozzles is triangular for example to ensure the stability of the suction to the plane of the reflector. For example, the suction nozzle made of silica gel can avoid scratching the optical effective surface.
In one or more embodiments, in the mirror positioning step S22, the second positioning device fine-tunes the mirror in at least five dimensions.
In one or more embodiments, the feed amount is controlled by an electronic console, such as an electronically controlled five-axis adjustable support stand. The values of the autocollimator and the position sensitive detector of the standard in the final state in the optical path determining step S21 are reproduced by fine adjustment in five axes such as the rotational axis directions of the X-axis & Y-axis and the X-axis/Y-axis/Z-axis directions. And locking the second positioning device when all the reflectors are debugged to meet the requirement of the light path. Of course, here, the second positioning device can also fine-tune the mirror in six dimensions, such as two pitch directions, a tilt direction, and an X-axis/Y-axis/Z-axis direction, to achieve more precise fine-tuning positioning.
In one or more embodiments, the optical adjustment system and the second positioning device are locked in the mirror positioning step S22, and for the standard sample with the same specification, the mass production of the prism with the specification can be realized by only replacing the mirror. And setting a fixed period according to the actual production quantity and performing point inspection according to the standard sample.
A bonding step S23 of placing a center block corresponding to the mirror and bonding the mirror and the center block.
Here, the first positioning device is designed with corresponding grooves and/or holes for positioning and placing the parts such as the standard sample, the reflector and the central block. The center block is coarsely positioned by a first positioning device according to a preset position corresponding to the center block, such as a center groove, corresponding to the reflecting mirror.
In one or more embodiments, in the bonding step S23, the mirror is bonded to the center block by an adhesive and cured.
In one or more embodiments, any one or more of the adhesives or adhesives mentioned above can be pre-coated on the predetermined joint surface or all joint surfaces according to requirements, so as to avoid the phenomenon of partial joint surface adhesives or adhesives due to air bubbles or placement, and greatly improve the joint tightness; of course, the center block can be directly placed and positioned without being precoated with adhesive or bonding agent.
In one or more embodiments, after the central block is roughly positioned by the central groove of the first positioning device corresponding to the position of the reflector, the adhesive or the adhesive is filled in the gap between the central block and the reflector, and the gap between the central block and the reflector is cured at a high temperature after the adhesive or the adhesive is filled in the gap. At least three air suction points are kept open during the whole curing process, so that the lens is prevented from being dislocated and deformed. And stopping three-point air suction positioning after the curing is finished, taking down the finished product, and finishing the processing.
In one or more embodiments, because the central block and the reflector both have processing errors, after the glue path is fixed, the error of the glue thickness is allowed to be not more than 0.5mm, so that the purpose of offsetting the error introduced by matching in the gluing process of the central block and the reflector can be achieved after the position of the reflector is fixed by three-point adsorption in the gluing process.
According to the technology disclosed by the invention, after the device structures such as the first positioning device, the optical debugging system and the second positioning device are debugged for the first time, prisms with the same specification are manufactured subsequently, and only the reflector placing step and the jointing step are repeated. And (4) performing point inspection according to the standard sample in a fixed period according to the actual production. The optical debugging process is accurate to 'second', the debugging precision and the production efficiency are improved, and the cost is reduced.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of execution is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the computer program is executed. The storage medium may be a non-volatile storage medium such as a magnetic disk, an optical disk, a Read Only Memory (ROM), or a Random Access Memory (RAM).
[ prism production System ]
As shown in fig. 3 and 4, in order to implement the technical solution in the embodiment of the present disclosure, the present disclosure provides a system, which may specifically include various terminal devices.
The prism manufacturing apparatus of the present embodiment includes: a first positioning device 301, an optical commissioning system 302, a second positioning device 303, an engagement device 304.
A first positioning device 301 for positioning the standard sample, the reflector and the central block; in one or more embodiments, the first positioning device 301 includes preset positions corresponding to the standard, the mirror, and the center block, respectively.
In one or more embodiments, the first positioning device 301 is further designed according to a preset configuration. For example, as shown in fig. 4, the tool 401, i.e., the first positioning device 301, is correspondingly placed according to the required laser radar prism structure design, and corresponding grooves and/or holes are designed, and the grooves and/or holes of the first positioning device 301 are used for positioning and placing the components, such as the standard sample 402, the reflector, the center block, and the like. For example, the first positioning device 301 is provided with a groove corresponding to the optical surface position of the standard sample, and the width of the groove is substantially wider than the thickness of the reflector, so that the reflector of each surface can be substantially maintained to realize coarse positioning of the reflector.
An optical debugging system 302 for determining a reflection light path according to the standard sample;
in one or more embodiments, the optical conditioning system 302 includes an angle correction device and/or a displacement correction device, the angle correction device having a perpendicular angle to a corresponding optical surface of the standard of no greater than 2.5 arc seconds; the angle correction device may be a micro-autocollimator 408, such as any one of an optical autocollimator, a photoelectric autocollimator, a laser collimator, and the like.
In one or more embodiments, the displacement correction device includes a laser light source 407 and a position sensitive detector 406, and the position sensitive detector 406 includes, for example, a four-Quadrant Detector (QD), a lateral effect detector (PSD), a CCD/CMOS type detector, and the like, and various position sensitive detection systems. The laser light source and the position sensitive detector are arranged in the horizontal normal plane direction of the corresponding optical effective surface. The laser light source emits light beams towards the horizontal normal plane direction of the optical surface of the standard sample, receives reflected light of the corresponding optical surface through the position sensitive detector and records coordinate values, wherein the direction of the laser light source and the horizontal normal plane direction of the optical surface of the standard sample are not more than 10 degrees; the reflected light of the corresponding optical surface is received through the central position of the receiving surface of the position sensitive detector, and the X/Y coordinate value reflected on the position sensitive detector at the moment is recorded.
The second positioning device 303 is used for finely adjusting the reflector according to the reflected light path to correspond to the reflected light path of the standard sample;
in one or more embodiments, the second positioning device 303, such as the five-axis adjustment mount 405 shown in FIG. 4, adsorbs the mirror through at least three points and fine tunes the mirror through at least five dimensions.
After the mirror is roughly adjusted and positioned by the first positioning device 301 according to the preset position corresponding to the mirror, the mirror is finely adjusted by the second positioning device 303 to correspond to the reflected light path of the standard sample.
In one or more embodiments, the second positioning device 303 (five-axis adjusting mount 405) includes, for example, a robot arm 404, a support 403 on the robot arm, and a suction member (not shown) at an end of the support. The structure and function of the adsorption part can be referred to the description of the method, and the description is omitted here.
In one or more embodiments, the mirror is attracted, for example, using a three-point attraction, such as air attraction. The three-point adsorption mode is that a vacuum negative pressure machine is used for communicating at least three suction nozzles made of silica gel materials, the three suction nozzles are supported by a support frame 403 and then controlled to feed through a mechanical arm 404, and the feeding amount is set according to the state that the suction nozzles are adsorbed on a standard sample. The layout of the three suction nozzles is triangular for example to ensure the stability of the suction to the plane of the reflector. For example, the suction nozzle made of silica gel can avoid scratching the optical effective surface.
In one or more embodiments, the amount of feed is controlled by the electronic console, e.g., by the electronically controlled five-axis adjustment support bracket 405. And the values of the autocollimator and the position sensitive detector of the standard sample in the final state are reproduced through fine adjustment in five axes such as the rotating axis directions of the X axis and the Y axis and the X axis/the Y axis/the Z axis. And when all the reflectors are debugged to meet the requirement of the light path at the same time, the second positioning device 301 is locked. Of course, here, the second positioning device can also fine-tune the mirror in six dimensions, such as two pitch directions, a tilt direction, and an X-axis/Y-axis/Z-axis direction, to achieve more precise fine-tuning positioning.
In one or more embodiments, the optical debugging system 302 and the second positioning device 303 are locked, and for a standard sample with the same specification, mass production of prisms with the specification can be realized by only replacing the reflecting mirror subsequently. And setting a fixed period according to the actual production quantity and performing point inspection according to the standard sample.
And a bonding means 304 for bonding the mirror to the center block disposed corresponding to the mirror.
In one or more embodiments, the bonding device 304 bonds the mirror to the center block with an adhesive and cures.
In one or more embodiments, the center block may be pre-coated with any one or more of the above-mentioned adhesives or adhesives on the predetermined joint surfaces or all joint surfaces as required, so as to avoid the occurrence of partial joint surface adhesives or adhesives due to bubbles or placement positions, and greatly improve the joint tightness; of course, the center block can be directly placed and positioned without being precoated with adhesive or bonding agent.
In one or more embodiments, the bonding device 304 is configured to supplement the adhesive or glue filling the gap between the central block and the reflector after the central block is roughly positioned by the central groove of the first positioning device 301 corresponding to the position of the reflector, and to cure at a high temperature after the supplement of the adhesive or glue filling. At least three points of air suction are kept opened in the whole curing process, so that the lens is prevented from being misplaced and deformed. And stopping three-point air suction positioning after curing is finished, taking off finished products, and finishing processing.
In one or more embodiments, because the central block and the reflector both have processing errors, after the glue path is fixed, the error of the glue thickness is allowed to be not more than 0.5mm, so that the purpose of offsetting the error introduced by matching in the gluing process of the central block and the reflector can be achieved after the position of the reflector is fixed by three-point adsorption in the gluing process.
In one or more embodiments, the prism fabrication system further comprises,
and the control device is used for controlling at least one of the first positioning device 301, the optical debugging system 302, the second positioning device 303 and the bonding device 304 to carry out prism manufacturing.
It should be understood that although each block in the block diagrams of the figures may represent a module, some of which may contain one or more executable instructions for implementing the specified logical function(s), such block(s) are not necessarily executed in sequential order. Each module and functional unit in the device embodiments in the present disclosure may be integrated into one processing module, or each unit may exist alone physically, or two or more modules or functional units are integrated into one module. The integrated modules can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium. The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
[ computer device for controlling prism manufacturing System of the present invention ]
The prism manufacturing system of the present invention has been described above, but the present invention is mainly characterized by the control of the entire prism manufacturing process, so that the control part of the prism manufacturing system can be protected independently of the execution part. The embodiment of the present disclosure further provides a computer device for controlling the prism manufacturing system of the present disclosure based on the above-mentioned idea. Referring now to fig. 5, a schematic diagram of an electronic device (e.g., the terminal device or the server in fig. 1) 500 suitable for implementing embodiments of the present disclosure is shown. The terminal device in the embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. The electronic device shown in fig. 5 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 5, electronic device 500 may include a processing means (e.g., central processing unit, graphics processor, etc.) 501 that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)502 or a program loaded from a storage means 506 into a Random Access Memory (RAM) 503. In the RAM503, various programs and data necessary for the operation of the electronic apparatus 500 are also stored. The processing device 501, the ROM502, and the RAM503 are connected to each other through a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
Generally, the following devices may be connected to the I/O interface 505: input devices 506 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; output devices 507 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage devices 506 including, for example, magnetic tape, hard disk, etc.; and a communication device 509. The communication means 509 may allow the electronic device 500 to communicate with other devices wirelessly or by wire to exchange data. While the figures illustrate an electronic device 500 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program carried on a non-transitory computer readable medium, the computer program containing program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication means 509, or installed from the storage means 506, or installed from the ROM 502. The computer program performs the above-described functions defined in the methods of the embodiments of the present disclosure when executed by the processing device 501.
It should be noted that the computer readable medium of the present disclosure may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network protocol, such as HTTP (hypertext transfer protocol), and may interconnect with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: acquiring at least two internet protocol addresses; sending a node evaluation request comprising the at least two internet protocol addresses to node evaluation equipment, wherein the node evaluation equipment selects the internet protocol addresses from the at least two internet protocol addresses and returns the internet protocol addresses; receiving an internet protocol address returned by the node evaluation equipment; wherein the obtained internet protocol address indicates an edge node in the content distribution network.
Alternatively, the computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: receiving a node evaluation request comprising at least two internet protocol addresses; selecting an internet protocol address from the at least two internet protocol addresses; returning the selected internet protocol address; wherein the received internet protocol address indicates an edge node in the content distribution network.
Computer program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including but not limited to an object oriented programming language such as Java, Smalltalk, C + +, including conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of a unit does not in some cases constitute a limitation of the unit itself, for example, the first retrieving unit may also be described as a "unit for retrieving at least two internet protocol addresses".
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
According to one or more embodiments of the present disclosure, there is provided a method for manufacturing a prism, the prism being used for a laser radar, including a reflecting mirror and a center block, the method including:
a light path determining step, wherein a reflection light path of a standard sample is determined through the standard sample and an optical debugging system;
a reflector positioning step, namely positioning the reflector to enable a reflection light path of the reflector to correspond to a reflection light path of the standard sample; and
a bonding step of placing the center block corresponding to the mirror and bonding the mirror and the center block.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
the standard comprises at least one optical surface;
in the optical path determining step, the standard sample is positioned by a first positioning device, and the optical debugging system is adjusted for each optical surface.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
the optical debugging system comprises an angle correcting device;
in the light path determining step, the vertical angle difference between the angle correcting device and the corresponding optical surface of the standard sample is adjusted to meet a preset range.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
and the vertical angle difference between the angle correction device and the corresponding optical surface of the standard sample is not more than 2.5 angular seconds.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
the optical debugging system comprises a displacement correcting device, the displacement correcting device comprises a laser light source and a position sensitive detector,
in the light path determining step, the laser light source is adjusted to emit light beams towards the horizontal normal plane direction of the corresponding optical surface of the standard sample.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
the direction of the laser light source and the horizontal normal plane direction of the corresponding optical surface of the standard sample are not more than 10 degrees;
and receiving the reflected light of the corresponding optical surface by the position sensitive detector and recording coordinate values.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method, characterized by further comprising,
the first positioning means comprises preset positions corresponding to the reflecting mirror and the central block, respectively,
the number of mirrors corresponds to the number of optical faces of the standard,
in the step of positioning the reflector, after the reflector is roughly adjusted and positioned by the first positioning device according to the preset position corresponding to the reflector, the reflector is finely adjusted by the second positioning device so as to correspond to the reflection light path of the standard sample.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method, including:
in the mirror positioning step, the second positioning means fine-tunes the mirror in at least five dimensions.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
in the mirror positioning step, the second positioning means fixes the mirror by at least three-point adsorption.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
in the bonding step, the mirror and the center block are bonded by an adhesive and cured.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing method characterized in that,
pre-coating said adhesive on said center block.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing system for a laser radar, including a mirror and a center block, including:
the first positioning device is used for positioning the standard sample, the reflecting mirror and the central block;
the optical debugging system is used for determining a reflection light path according to the standard sample;
the second positioning device is used for finely adjusting the reflector according to the reflection light path so as to correspond to the reflection light path of the standard sample; and
an engaging means for engaging the mirror with the center block disposed correspondingly to the mirror.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing system, including:
the optical debugging system comprises an angle correction device and/or a displacement correction device, and the vertical angle between the angle correction device and the corresponding optical surface of the standard sample is not more than 2.5 arc seconds;
the displacement correction device comprises a laser light source and a position sensitive detector, the laser light source emits light beams towards the horizontal normal plane direction of the optical surface of the standard sample, the position sensitive detector receives reflected light of the corresponding optical surface and records coordinate values, and the direction of the laser light source and the horizontal normal plane direction of the optical surface of the standard sample are not more than 10 degrees;
the second positioning device adsorbs the reflector through at least three points and finely adjusts the reflector through at least five dimensions.
According to one or more embodiments of the present disclosure, there is provided a prism manufacturing system, characterized by further comprising:
and the control device is used for controlling at least one of the first positioning device, the optical debugging system, the second positioning device and the jointing device to manufacture the prism.
According to one or more embodiments of the present disclosure, there is provided a computer apparatus comprising a memory having stored therein a computer program and a processor which, when executed, causes the prism manufacturing system described above to implement the method as described in any one of the above.
According to one or more embodiments of the present disclosure, there is provided a computer-readable storage medium, characterized in that a computer program is stored thereon, which, when executed by a processor, causes the prism manufacturing system described above to implement the method as described in any one of the above.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (16)
1. A method of making a prism for a lidar including a mirror and a center block, the method comprising:
a light path determining step, wherein a reflection light path of a standard sample is determined through the standard sample and an optical debugging system;
a reflector positioning step, namely positioning the reflector to enable a reflection light path of the reflector to correspond to a reflection light path of the standard sample; and
a bonding step of placing the center block corresponding to the mirror and bonding the mirror and the center block.
2. The method of claim 1, wherein the step of forming the prism includes the steps of,
the standard comprises at least one optical surface;
in the optical path determining step, the standard sample is positioned by a first positioning device, and the optical debugging system is adjusted for each optical surface.
3. The method of claim 1, wherein the step of forming the prism includes the steps of,
the optical debugging system comprises an angle correcting device;
in the light path determining step, the vertical angle difference between the angle correcting device and the corresponding optical surface of the standard sample is adjusted to meet a preset range.
4. The method of claim 3, wherein the step of forming the prism includes the step of forming a prism,
the difference of the vertical angles of the angle correction device and the corresponding optical surface of the standard sample is not more than 2.5 arc seconds.
5. The method of claim 1, wherein the step of forming the prism includes the steps of,
the optical debugging system comprises a displacement correcting device, the displacement correcting device comprises a laser light source and a position sensitive detector,
in the light path determining step, the laser light source is adjusted to emit light beams towards the horizontal normal plane direction of the corresponding optical surface of the standard sample.
6. The method of claim 5, wherein the step of forming the prism includes the step of,
the direction of the laser light source and the horizontal normal plane direction of the corresponding optical surface of the standard sample are not more than 10 degrees;
and receiving the reflected light of the corresponding optical surface through the position sensitive detector, and recording coordinate values.
7. The method of claim 2, wherein the step of forming the prism includes the step of forming a prism,
the first positioning means comprises preset positions corresponding to the reflecting mirror and the central block, respectively,
the number of mirrors corresponds to the number of optical faces of the standard,
in the step of positioning the reflector, after the reflector is roughly adjusted and positioned by the first positioning device according to the preset position corresponding to the reflector, the reflector is finely adjusted by the second positioning device so as to correspond to the reflection light path of the standard sample.
8. The method of claim 7, wherein the step of forming the prism includes the steps of,
in the mirror positioning step, the second positioning means fine-tunes the mirror in at least five dimensions.
9. The method of claim 7, wherein the step of forming the prism includes the steps of,
in the mirror positioning step, the second positioning means fixes the mirror by at least three-point adsorption.
10. The method of claim 1, wherein the step of forming the prism includes the steps of,
in the bonding step, the mirror and the center block are bonded by an adhesive and cured.
11. The method of claim 10, further comprising,
pre-coating said adhesive on said center block.
12. A prism manufacturing system, the prism for a lidar, comprising a mirror and a center block, comprising:
the first positioning device is used for positioning the standard sample, the reflecting mirror and the central block;
the optical debugging system is used for determining a reflection light path according to the standard sample;
the second positioning device is used for finely adjusting the reflector according to the reflection light path so as to correspond to the reflection light path of the standard sample; and
an engaging means for engaging the mirror with the center block disposed correspondingly to the mirror.
13. The prism manufacturing system according to claim 12,
the optical debugging system comprises an angle correction device and/or a displacement correction device, and the vertical angle between the angle correction device and the corresponding optical surface of the standard sample is not more than 2.5 arc seconds;
the displacement correction device comprises a laser light source and a position sensitive detector, the laser light source emits light beams towards the horizontal normal plane direction of the optical surface of the standard sample, the position sensitive detector receives reflected light of the corresponding optical surface and records coordinate values, and the direction of the laser light source and the horizontal normal plane direction of the optical surface of the standard sample are not more than 10 degrees;
the second positioning device adsorbs the reflector through at least three points and finely adjusts the reflector through at least five dimensions.
14. The prism manufacturing system of claim 12, further comprising,
and the control device is used for controlling at least one of the first positioning device, the optical debugging system, the second positioning device and the jointing device to manufacture the prism.
15. A computer apparatus comprising a memory having a computer program stored therein and a processor that when executed controls the prism manufacturing system of any of claims 12-14 to implement the method of any of claims 1-11.
16. A computer readable storage medium, having stored thereon a computer program which, when executed by a processor, controls a prism manufacturing system according to any one of claims 12-14 to implement a method according to any one of claims 1-11.
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