CN106056024A - Light path structure and coding scanning and reading method - Google Patents
Light path structure and coding scanning and reading method Download PDFInfo
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- CN106056024A CN106056024A CN201610543807.9A CN201610543807A CN106056024A CN 106056024 A CN106056024 A CN 106056024A CN 201610543807 A CN201610543807 A CN 201610543807A CN 106056024 A CN106056024 A CN 106056024A
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- mirror
- reflecting element
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10554—Moving beam scanning
- G06K7/10594—Beam path
- G06K7/10683—Arrangement of fixed elements
- G06K7/10702—Particularities of propagating elements, e.g. lenses, mirrors
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/02—Catoptric systems, e.g. image erecting and reversing system
- G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
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- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Mechanical Optical Scanning Systems (AREA)
Abstract
The invention discloses a light path structure and a coding scanning and reading method. According to the light path structure, two sets of incident laser light irradiate a rotary four-side mirror, angles of four sides of the rotary four-side mirror are different, the reflection light is respectively reflected to a first reflection member and a second reflection member, the reflection light irradiates to code bars through the first reflection member and the second reflection member to form inverse reflection light which irradiates the first reflection member and the second reflection member, the inverse reflection light is reflected by the first reflection member and the second reflection member to the rotary four-side mirror, the reflection light is reflected by the rotary four-side mirror to a first curved mirror and a second curved mirror, and the inverse reflection light is respectively focused by the first curved mirror and the second curved mirror to a first corresponding reception device and a second corresponding reception device. According to the light path structure, a scanning scope increases, code reading capability of each line increases, code scanning and reading efficiency is improved, bidirectional operation can be realized, and the light path structure is convenient to use.
Description
Technical field
The present invention relates to scanning device technical field, particularly relate to a kind of light channel structure and barcode scanning reading code method thereof.
Background technology
At present, on market, the scanning device of high-quality is all import, and the light channel structure design of domestic scanner can only be entered
The scanning of row single line, the scope of scanning is smaller, efficiency is low, uses quite inconvenience.
Summary of the invention
The main object of the present invention is to provide a kind of light channel structure and barcode scanning reading code method thereof, it is intended to solve sweeping of single line
Scope of retouching is little, efficiency is low, awkward problem.
For achieving the above object, the light channel structure that the present invention proposes, for being modulated to multi-thread shoot laser by incident laser
Carry out barcode scanning,
Described light channel structure at least includes: first surface mirror, the second curved mirror, the first reflecting element, the second reflecting element, first
Receive device, the second reception device, and the four sides mirror rotated；
Described first reflecting element, the second reflecting element include four pieces of plane mirrors or five pieces of plane mirrors or six pieces of plane mirrors；
Wherein, two groups of incident lasers are respectively radiated to the four sides mirror of described rotation；
The angle in four faces of the four sides mirror of described rotation is different, incident laser is reflexed to respectively the first reflecting element, the
Two reflecting elements；
Reflection light is irradiated to bar code by described first reflecting element, the second reflecting element, forms retrodirective reflection light, is irradiated to described
First reflecting element, the second reflecting element；
Described first reflecting element, the second reflecting element are by the four sides mirror of retrodirective reflection luminous reflectance to described rotation；
The four sides mirror of described rotation is by reflected light back to first surface mirror, the second curved mirror；
Retrodirective reflection luminous reflectance is focused on the first reception dress of correspondence by described first surface mirror, the second curved mirror respectively
Put, second receive device.
Further, this light channel structure also includes a signal amplification board, the first laser head and the second laser head, described first
Receiving device and second to receive device and be installed on described signal amplification board, described incident laser is respectively by the first laser head and the
Dual-laser head penetrates.
Further, this light channel structure also includes that the first plane mirror and the second plane mirror, described first plane mirror are positioned at
The center of one curved mirror, described second plane mirror is positioned at the center of the second curved mirror, and described incident laser is respectively through described first
Plane mirror or the second plane mirror reflected illumination are to the four sides mirror of described rotation.
Further, the center of described first surface mirror is provided with the first perforate, and the center of described second curved mirror is provided with
Two perforates, described incident laser is irradiated to the four sides mirror of described rotation through the first perforate or the second perforate.
Further, least one set incident laser is irradiated to institute through the first perforate or the second perforate after plane mirror reflects
State the four sides mirror of rotation.
Further, the normal direction of four pieces of plane mirrors of described first reflecting element, the second reflecting element and described installation pedestal
The angle of the normal direction of base plane is followed successively by 42.3 °, 43.8 °, 43.8 °, 42.3 °, described adjacent two eyeglasses of four pieces of plane mirrors
Normal direction angle is followed successively by 35.5 °, 33.0 °, 35.5 °；Described first reflecting element, the second reflecting element five pieces of plane mirrors normal direction with
The angle of the normal direction of the base plane of described installation pedestal is followed successively by 42.9 °, 43.8 °, 41.6 °, 43.8 °, 42.9 °, and described five
The normal direction angle of adjacent two eyeglasses of block plane mirror is followed successively by 25.7 °, 26.4 °, 26.4 °, 25.7 °；Described first reflecting element, second
The angle of the normal direction of the base plane of the normal direction of six pieces of plane mirrors of reflecting element and described installation pedestal be followed successively by 42.1 °,
43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 °, the normal direction angle of described adjacent two eyeglasses of six pieces of plane mirrors be followed successively by 22.1 °,
18.0°、16.6°、18.0°、22.1°。
Further, the net that barcode scanning region is 32 lines that described first reflecting element, the second reflecting element reflective light are formed
Lattice or the grid of 40 lines or the grid of 48 lines.
The present invention also provides for a kind of barcode scanning reading code method of light channel structure, comprises the following steps:
Incident laser is modulated to 32 lines or 40 lines or the grid of 48 lines by light channel structure；
The grid utilizing described 32 lines or 40 lines or 48 lines is irradiated in bar code carry out barcode scanning, forms retrodirective reflection light；
First receiving device, the second reception device receive described retrodirective reflection light, complete follow-up reading code.
Further, incident laser is modulated to the step of the grid of 32 lines or 40 lines or 48 lines by described light channel structure, bag
Include following sub-step:
Two groups of incident lasers are respectively radiated to the four sides mirror of described rotation；
Incident laser is reflexed to described first reflecting element, the second reflecting element by the four sides mirror of described rotation respectively.
Further, described first receiving device, the second reception device receive described retrodirective reflection light, complete follow-up reading code
Step, including following sub-step:
First reflecting element, the second reflecting element described in retrodirective reflection light direct beam；
Described first reflecting element, the second reflecting element are by the four sides mirror of described retrodirective reflection luminous reflectance to described rotation；
The four sides mirror of described rotation is by described retrodirective reflection luminous reflectance to first surface mirror, the second curved mirror；
Described retrodirective reflection luminous reflectance is focused on the first reception of correspondence by described first surface mirror, the second curved mirror respectively
Device, the second reception device.
The light channel structure of the present invention is by the four sides mirror by two groups of incident laser radiation to rotation, and the four sides mirror of rotation will enter
Penetrating laser and reflex to the first reflecting element, the second reflecting element respectively, reflection light is irradiated to bar by the first reflecting element, the second reflecting element
Code, carries out barcode scanning, forms retrodirective reflection light, another mistake to being irradiated to the first reflecting element, the second reflecting element, the first reflecting element, second
Reflecting element by retrodirective reflection luminous reflectance to rotate four sides mirror, the four sides mirror of rotation by retrodirective reflection luminous reflectance to first surface
Mirror, the second curved mirror, retrodirective reflection luminous reflectance is focused on the first reception dress of correspondence by first surface mirror, the second curved mirror respectively
Put, second receive device.The light channel structure of the present invention, by above-mentioned improvement, forms injection light multi-thread uniform grid, scans model
Enclose increase, every line reading code ability strengthen, barcode scanning and reading code efficiency improve, practical, and simple in construction is easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
Fig. 1 be light channel structure the first reflecting element of the present invention, the second reflecting element be the structure of an embodiment of four pieces of plane mirrors
Schematic diagram；
Fig. 2 be light channel structure the first reflecting element of the present invention, the second reflecting element be the knot of another embodiment of four pieces of plane mirrors
Structure schematic diagram；
Fig. 3 be light channel structure the first reflecting element of the present invention, the second reflecting element be the knot of the another embodiment of four pieces of plane mirrors
Structure schematic diagram；
Fig. 4 is the schematic diagram of the grid of 32 lines of the light channel structure formation of Fig. 1；
Fig. 5 be light channel structure the first reflecting element of the present invention, the second reflecting element be the structure of an embodiment of five pieces of plane mirrors
Schematic diagram；
Fig. 6 be light channel structure the first reflecting element of the present invention, the second reflecting element be the knot of another embodiment of five pieces of plane mirrors
Structure schematic diagram；
Fig. 7 be light channel structure the first reflecting element of the present invention, the second reflecting element be the knot of the another embodiment of five pieces of plane mirrors
Structure schematic diagram；
Fig. 8 is the schematic diagram of the grid of 40 lines of the light channel structure formation of Fig. 5；
Fig. 9 be light channel structure the first reflecting element of the present invention, the second reflecting element be the structure of an embodiment of six pieces of plane mirrors
Schematic diagram；
Figure 10 be light channel structure the first reflecting element of the present invention, the second reflecting element be the knot of another embodiment of six pieces of plane mirrors
Structure schematic diagram；
Figure 11 be light channel structure the first reflecting element of the present invention, the second reflecting element be the knot of the another embodiment of six pieces of plane mirrors
Structure schematic diagram；
Figure 12 is the schematic diagram of the grid of 48 lines of the light channel structure formation of Fig. 9；
Figure 13 is the flow chart of barcode scanning reading code method one embodiment of light channel structure of the present invention；
Figure 14 is the flow chart of step S1 in Figure 13；
The flow chart of step S3 in Figure 15 bitmap 13.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 1 | Pedestal is installed | 62 | Second plane mirror |
| 2 | Signal amplification board | 71 | First surface mirror |
| 3 | Rotate four sides mirror | 72 | Second curved mirror |
| 41 | First laser head | 81 | First reflecting element |
| 42 | Second laser head | 82 | Second reflecting element |
| 51 | First receiving device | 91 | First perforate |
| 52 | Second receives device | 92 | Second perforate |
| 61 | First plane mirror |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not paying creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as up, down, left, right, before and after ...) is only used
In explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if should
When particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that refer to
Show or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include at least one this feature.It addition, the technical scheme between each embodiment can
To be combined with each other, but must be based on those of ordinary skill in the art are capable of, when the combination of technical scheme occurs
Conflicting will be understood that the combination of this technical scheme does not exists, the most not at the protection model of application claims when maybe cannot realize
Within enclosing.
The present invention provides a kind of light channel structure, carries out barcode scanning for incident laser is modulated to multi-thread shoot laser, it is intended to
The sweep limits of solution single line is little, efficiency is low, awkward problem.
Referring to figs. 1 through 12, in light channel structure one embodiment of the present invention, this light channel structure at least includes: first surface mirror
71, the second curved mirror 72, first plane mirror the 61, second plane mirror 62, first reflecting element the 81, second reflecting element 82, first receives
Device 51, second receives device 52, and the four sides mirror 3 rotated；
First reflecting element the 81, second reflecting element 82 includes four pieces of plane mirrors or five pieces of plane mirrors or six pieces of plane mirrors；
Wherein, two groups of incident lasers are respectively radiated to the four sides mirror 3 rotated；
The angle in four faces of the four sides mirror 3 rotated is different, and incident laser reflexes to the first reflecting element 81, second respectively
Reflecting element 82；
Reflection light is irradiated to bar code by first reflecting element the 81, second reflecting element 82, forms retrodirective reflection light, is irradiated to the
One reflecting element the 81, second reflecting element 82；
First reflecting element the 81, second reflecting element 82 is by the four sides mirror 3 of retrodirective reflection luminous reflectance to rotation；
Rotate four sides mirror 3 by reflected light back to first surface mirror the 71, second curved mirror 72；
Retrodirective reflection luminous reflectance is focused on the first receiving device of correspondence by first surface mirror the 71, second curved mirror 72 respectively
51, second device 52 is received.
The light channel structure of the present embodiment, is mainly used in that incident laser is modulated to multi-thread shoot laser and carries out barcode scanning and reading
Code.The four sides mirror 3 rotated is the optics four sides mirror being fixed on a motor the most at the uniform velocity rotated, and this motor has
Body is controlled by the control circuit on the signal amplification board being attached thereto, and the angle in 4 faces of this four sides mirror is different, so
During unidirectional incident laser prolonged exposure, each face of four sides mirror 3 of rotation will produce the anti-of different reflection directions
Penetrate light；In order to receive the reflection light that the four sides mirror 3 of rotation reflects, reflect light direction at the four sides mirror 3 rotated and be provided with the
One reflecting element the 81, second reflecting element 82, first reflecting element the 81, second reflecting element 82 include four pieces of plane mirrors or five pieces of plane mirrors or
Six pieces of plane mirrors；Described plane mirror is arranged in order, and the center of each piece of plane mirror is centrally located at same with the four sides mirror 3 of rotation
In light path so that each piece of plane mirror of first reflecting element the 81, second reflecting element 82 can receive the four sides mirror 3 of rotation and reflect
The height gone out differ 4 reflection light, four pieces of plane mirrors of first reflecting element the 81, second reflecting element 82 or five pieces of plane mirrors or
Six pieces of plane mirror plane mirrors complement each other to form the output of many line reflections light；First reflecting element the 81, second reflecting element 82 is formed
Retrodirective reflection light, the reversibility propagated according to light, retrodirective reflection can be formed on bar code surface when reflection light is irradiated in bar code
Light irradiates back again first reflecting element the 81, second reflecting element 82, reflection light the most now through the absorption of bar code and reflection,
There occurs change at wavelength and quantitative aspects, first reflecting element the 81, second reflecting element 82 by light path bar code is produced reverse
Reflected light back is to the four sides mirror 3 rotated；The four sides mirror 3 rotated is re-used as a reflecting surface by this retrodirective reflection luminous reflectance to the
One curved mirror the 71, second curved mirror 72, the light-ray condensing that this dissipates is sent to by first surface mirror the 71, second curved mirror 72 respectively
Corresponding first receiving device 51, second receives device 52；First receiving device 51, second receives device 52 and jointly connects a light
Electricity change-over panel, it is possible to the optical signal received is converted to the pulse digit signal of telecommunication, then by this pulse digital signal through letter
Number amplification board is amplified, then is transferred to signal amplification board and carries out opto-electronic conversion, finally reaches terminal, completes reading code.
The light channel structure of the present invention by being respectively radiated to the four sides mirror 3 rotated, the four sides of rotation by two groups of incident lasers
Incident laser is reflexed to first reflecting element the 81, second reflecting element 82 by mirror 3 respectively, and first reflecting element the 81, second reflecting element 82 will
Reflection light is irradiated to bar code, carries out barcode scanning, forms retrodirective reflection light, and another mistake is to being irradiated to first reflecting element the 81, second reflecting element
82, first reflecting element the 81, second reflecting element 82 is by retrodirective reflection luminous reflectance to the four sides mirror 3 rotated, and the four sides mirror 3 of rotation is by inverse
To reflected light back to first surface mirror the 71, second curved mirror 72, first surface mirror the 71, second curved mirror 72 will be the most anti-respectively
Penetrate luminous reflectance and focus on first receiving device the 51, second reception device 52 of correspondence.The light channel structure of the present invention, is changed by above-mentioned
Entering, injection light forms multi-thread uniform grid, sweep limits increases, every line reading code ability strengthen, barcode scanning and reading code effect
Rate improves, practical, and simple in construction is easy to use.
Further, referring to figs. 1 through 12, this light channel structure also includes signal amplification board 2, first laser head 41 and second
Laser head 42, first receiving device 51 and second receives device 52 and is installed on signal amplification board 2, and described incident laser is respectively by the
One laser head 41 and the second laser head 42 penetrate.
The light channel structure of the present embodiment, signal amplification board 2 is made up of electronic component, circuit and pcb board, by with mounting bracket
The 1 multiple cylinders connected support；First receiving device 51 is for receiving the light beam that first surface mirror 71 focuses on, and second receives device
52 for receiving the light beam that the second curved mirror 72 focuses on, the optical signal that will be received by the photoelectric conversion plate being attached thereto respectively
Be converted to the pulse digit signal of telecommunication, then carry out signal amplification by the signal amplification board 2 being connected with photoelectric conversion plate, finally by with
The photoelectric conversion plate that signal enlarged version 2 connects carries out opto-electronic conversion, and transmits to computer terminal, completes reading code, improves barcode scanning
Efficiency with reading code；First laser head 41 and the second laser head 42 are controlled to launch incident laser by circuit control module, incident sharp
The wavelength of light is 650nm, and flexible operation is easy to use.
Further, with reference to Fig. 1 or 5 or 9, this light channel structure also includes the first plane mirror 61 and the second plane mirror 62, the
One plane mirror 61 is positioned at the center of first surface mirror 71, and the second plane mirror 62 is positioned at the center of the second curved mirror 72, described incidence
Laser respectively through the first plane mirror 61 or the second plane mirror 62 reflected illumination to the four sides mirror 3 rotated.
The light channel structure of the present embodiment, first plane mirror the 61, second plane mirror 62 is by integrated injection molding manner pair
Should electroplate the center at first surface mirror the 71, second curved mirror 72, the first plane mirror 61 is fixed on the center of first surface mirror 71,
Second plane mirror 62 is fixed on the center of the second curved mirror 72, and first plane mirror the 61, second plane mirror 62 is mainly as reflecting surface
Corresponding incident laser is reflexed to the four sides mirror 3 rotated, flexible operation, easy to use.
Further, with reference to Fig. 2 or 6 or 10, the center of first surface mirror 71 is provided with the first perforate 91, the second curved mirror 72
Center be provided with the second perforate 92, described incident laser is irradiated to the four sides mirror rotated through the first perforate 91 or the second perforate 92
3。
The light channel structure of the present embodiment, the center of first surface mirror 71 is provided with the first perforate 91, the first laser head 41
Being arranged at outside the curved surface of first surface mirror 71, the first laser head 41 is in same with the first perforate 91 and the four sides mirror 3 rotated
Plane, so that the incident laser that the first laser head 41 sends can be irradiated on the four sides mirror 3 of rotation through the first perforate 91；The
The center of two curved mirrors 72 is provided with the second perforate 92, and the second laser head 42 is arranged at outside the curved surface of the second curved mirror 72,
Second laser head 42 and the second perforate 92 and the four sides mirror 3 rotated are in same plane, so that entering of sending of the second laser head 42
Penetrate laser to be irradiated on the four sides mirror 3 of rotation through the second perforate 92, improve the multiformity of light channel structure.
Further, with reference to Fig. 3 or 7 or 11, least one set incident laser passes the first perforate 91 after plane mirror reflects
Or second perforate 92 be irradiated to rotate four sides mirror 3.
The light channel structure of the present embodiment, the first laser head 41 and the second laser head 42 may be contained within mounting bracket 1, two pieces
Plane mirror is separately positioned on four sides mirror 3 and first perforate 91 or the line direction of the second perforate 92 of rotation so that the first laser
41 incident lasers launched can be irradiated to, through the first perforate 91, the four sides mirror 3 that rotates after plane mirror reflects, and second swashs
The incident laser that shaven head 42 is launched can be irradiated to the four sides mirror 3 of rotation after plane mirror reflects through the second perforate 92；Or
The incident laser that first laser head 41 is launched is irradiated to the four sides mirror 3 rotated, the second laser head 42 directly through the first perforate 91
The incident laser launched is irradiated to the four sides mirror 3 rotated after a plane mirror reflection through the second perforate 92；Or first swashs
Shaven head 41 launch incident lasers through one plane mirror reflection after through the first perforate 91 be irradiated to rotate four sides mirror 3, second
The incident laser that laser head 42 is launched shines directly into the four sides mirror 3 of rotation after the second plane mirror 62 reflection, improves light
The multiformity of line structure.
Further, referring to figs. 1 through 12, the normal direction of four pieces of plane mirrors of described first plane mirror the 61, second plane mirror 62
It is followed successively by 42.3 °, 43.8 °, 43.8 °, 42.3 °, described four pieces of plane mirrors with the angle of the normal direction of the base plane installing pedestal 1
The normal direction angle of adjacent two eyeglasses is followed successively by 35.5 °, 33.0 °, 35.5 °.
The light channel structure of the present embodiment, first reflecting element the 81, second reflecting element 82 includes four pieces of plane mirrors, four pieces of planes
Mirror cooperates and has a certain degree configuration with installing pedestal 1.First reflecting element the 81, second reflecting element 82 is arranged at installation base
On seat 1, four pieces of plane mirrors are all fixed on installation pedestal 1 by stickup or clamping mode, the normal direction of four pieces of plane mirrors and installation
The angle of the normal direction of the base plane of pedestal 1 is followed successively by 42.3 °, 43.8 °, 43.8 °, 42.3 ° so that the four sides mirror 4 of rotation
The optical center of each piece of plane mirror of optical center and four pieces of plane mirrors is in same light path, to receive the four sides mirror rotated
4 reflection light that 4 height reflected back are different；Four pieces of adjacent two pieces of plane mirrors of plane mirror the method phase angle of eyeglass depend on
Secondary is 35.5 °, 33.0 °, 35.5 °, in order to each piece of four pieces of plane mirrors of first reflecting element the 81, second reflecting element 82 are reflected
4 reflection light combine, forms one large range of barcode scanning region, be conducive to raising barcode scanning efficiency.
Further, referring to figs. 1 through 12, the normal direction of five pieces of plane mirrors of described first plane mirror the 61, second plane mirror 62
It is followed successively by 42.9 °, 43.8 °, 41.6 °, 43.8 °, 42.9 ° with the angle of the normal direction of the base plane installing pedestal 1, described five pieces
The normal direction angle of adjacent two eyeglasses of plane mirror is followed successively by 25.7 °, 26.4 °, 26.4 °, 25.7 °.
The light channel structure of the present embodiment, first reflecting element the 81, second reflecting element 82 includes five pieces of plane mirrors, five pieces of plane mirrors
Cooperate and have a certain degree configuration with installing pedestal 1.First reflecting element the 81, second reflecting element 82 is arranged at installation pedestal
On 1, five pieces of plane mirrors are all fixed on installation pedestal 1 by stickup or clamping mode, the normal direction of five pieces of plane mirrors and installation base
The angle of the normal direction of the base plane of seat 1 is followed successively by 42.9 °, 43.8 °, 41.6 °, 43.8 °, 42.9 ° so that the four sides mirror of rotation
The optical center of each piece of plane mirror of the optical center of 4 and five pieces of plane mirrors is in same light path, to receive four rotated
4 reflection light that height that face mirror 4 reflects back is different；Five pieces of adjacent two pieces of plane mirrors of plane mirror the method for eyeglass fold
Angle is followed successively by 25.7 °, 26.4 °, 26.4 °, 25.7 °, in order to five pieces of plane mirrors of first reflecting element the 81, second reflecting element 82 are every
One block of 4 reflection light reflected combines, and forms a large range of barcode scanning region, is conducive to improving barcode scanning
Efficiency.
Further, referring to figs. 1 through 12, the normal direction of six pieces of plane mirrors of described first plane mirror the 61, second plane mirror 62
It is followed successively by 42.1 °, 43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 °, institute with the angle of the normal direction of the base plane installing pedestal 1
The normal direction angle stating six pieces of adjacent two eyeglasses of plane mirror is followed successively by 22.1 °, 18.0 °, 16.6 °, 18.0 °, 22.1 °.
The light channel structure of the present embodiment, first reflecting element the 81, second reflecting element 82 includes six pieces of plane mirrors, six pieces of planes
Mirror cooperates and has a certain degree configuration with installing pedestal 1.First reflecting element the 81, second reflecting element 82 is arranged at installation base
On seat 1, six pieces of plane mirrors are all fixed on installation pedestal 1 by stickup or clamping mode, the normal direction of six pieces of plane mirrors and installation
The angle of the normal direction of the base plane of pedestal 1 is followed successively by 42.1 °, 43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 ° so that rotate
The optical center of four sides mirror 4 and the optical center of each piece of plane mirror of six pieces of plane mirrors be in same light path, to receive
4 reflection light that the height that reflects back of four sides mirror 4 that rotates is different；Six pieces of adjacent two pieces of plane mirrors of plane mirror eyeglass
Method phase angle be followed successively by 22.1 °, 18.0 °, 16.6 °, 18.0 °, 22.1 °, in order to first reflecting element the 81, second reflecting element 82
Each piece of six pieces of plane mirrors reflected 4 reflection light combine, form a large range of barcode scanning region, have
It is beneficial to improve the efficiency of barcode scanning.
Further, referring to figs. 1 through 12, the barcode scanning that first reflecting element the 81, second reflecting element 82 reflective light is formed
Region is the grid of 32 lines or the grid of 40 lines or the grid of 48 lines.
The light channel structure of the present embodiment, first reflecting element the 81, second reflecting element 82 is four pieces of plane mirrors, reflective light
The uniform grid that barcode scanning region is 32 lines formed, it is flat through first that first laser head the 41, second laser head 42 launches incident laser
Mirror the 61, second plane mirror 62 in face reflexes to form 4 reflection light, each piece of plane of four pieces of plane mirrors on the four sides mirror 3 of rotation
Mirror reflects these 4 groups reflection light simultaneously, forms 4 groups of cross one another 4 line reflection light, first reflecting element the 81, second reflecting element 82 phase
Coordinate mutually, project the uniform grid just forming 32 lines in a plane.
First reflecting element the 81, second reflecting element 82 is five pieces of plane mirrors, and the barcode scanning region that reflective light is formed is 40
The uniform grid of line, first laser head the 41, second laser head 42 launches incident laser through first plane mirror the 61, second plane mirror 62
Reflexing to form 4 reflection light on the four sides mirror 3 of rotation, each piece of plane mirror of five pieces of plane mirrors reflects these 4 groups reflections simultaneously
Light, forms 5 groups of cross one another 4 line reflection light, and first reflecting element the 81, second reflecting element 82 cooperates, and projects a plane
On just form the uniform grid of 40 lines.
First reflecting element the 81, second reflecting element 82 is six pieces of plane mirrors, and the barcode scanning region that reflective light is formed is 48
The uniform grid of line, first laser head the 41, second laser head 42 launches incident laser through first plane mirror the 61, second plane mirror 62
Reflexing to form 4 reflection light on the four sides mirror 3 of rotation, each piece of plane mirror of six pieces of plane mirrors reflects these 4 groups reflections simultaneously
Light, forms 6 groups of cross one another 4 line reflection light, and first reflecting element the 81, second reflecting element 82 cooperates, and projects a plane
On just form the uniform grid of 48 lines.
The light channel structure of the present embodiment, 32 lines, 40 lines, the uniform grid of 48 lines substantially increase sweep limits, and
Every line barcode scanning ability strengthen, 32,40 lines, the uniform grid of 48 lines have only to blocking bar code randomly and just can complete to sweep
Code work, it is not necessary to corresponding corresponding angle and direction, improves the work efficiency of barcode scanning.
Referring to figs. 1 through 15, the present invention also provides for a kind of barcode scanning and the reading code method of light channel structure, comprises the following steps:
Incident laser is modulated to 32 lines or 40 lines or the grid of 48 lines by S1: light channel structure；
S2: utilize the grid of described 32 lines or 40 lines or 48 lines to be irradiated in bar code carry out barcode scanning, form retrodirective reflection light；
S3: first receiving device 51, second receives device 52 and receives described retrodirective reflection light, completes follow-up reading code.
In the present embodiment, when using this light channel structure to carry out barcode scanning and reading code, it is necessary first to by the first laser head 41, second
The incident laser of laser head 42 injection is modulated to 32 lines or 40 lines or the uniform grid of 48 lines by light channel structure；Then will modulation
32 lines of injection or the uniform grid of 40 lines or 48 lines are irradiated in bar code carry out barcode scanning, typically different by size due to bar code
Black lines is attached on a white base plate, and black lines has an Absorption to laser or infrared-ray etc., and white base plate pair
Laser or infrared-ray etc. have reflection, so the uniform grid at 32 lines or 40 lines or 48 lines is radiated in bar code at random
Time, bar code can be absorbed the ray of certain wavelength and be reflected by white base plate, forming retrodirective reflection light；Finally, by base plate
The retrodirective reflection light reflected is mapped to first receiving device 51, second through the reverse direction loop of light channel structure and receives on device 52,
It is a kind of optical-electrical converter that first receiving device 51, second receives device 52, and the optical signal received is converted to pulse digit
The signal of telecommunication, is sent to connect first receiving device 51, second and receives the terminal of device 52, complete reading code work.
The light channel structure of the present embodiment, is first modulated to 32 lines or 40 lines or the uniform grid of 48 lines, so by incident laser
The rear uniform grid utilizing 32 lines or 40 lines or 48 lines is irradiated in bar code carry out barcode scanning, forms retrodirective reflection light, finally by
First receiving device 51, second receives device 52 and receives retrodirective reflection light, completes reading code work, and the scope of barcode scanning increases, every
Line reading code ability strengthen, be conducive to improving work efficiency, and easy for operation.
Further, referring to figs. 1 through 15, step S1, including following sub-step:
S11: two groups of incident lasers are respectively radiated to the four sides mirror 3 rotated；
Incident laser is reflexed to first reflecting element the 81, second reflecting element 82 by the four sides mirror 3 of S12: rotation respectively.
In the present embodiment, when using this light channel structure to carry out barcode scanning and reading code, incident laser is modulated to 32 by light channel structure
The process of the uniform grid of line or 40 lines or 48 lines specifically includes: firstly, it is necessary to switch on power, control the first laser head 41,
Dual-laser head 42 is respectively to first corresponding plane mirror the 61, second plane mirror 62 direct laser, first plane mirror the 61, second plane
Mirror 62 is fixed on the center of first surface mirror the 71, second curved mirror 72 with bonding way correspondence, with the first laser head 41,
Dual-laser head 42 is in same plane, and first plane mirror the 61, second plane mirror 62 receives first laser head the 41, second laser head 42
After the incident laser of injection, directly reflexed to the four sides mirror 3 rotated；Or control first laser head the 41, second laser head
42 directly launch incident laser, in the first perforate 91 being then each passed through on first surface mirror 71 or the second curved mirror 72
Two perforates 92 are irradiated to the four sides mirror 3 rotated；Or control first laser head the 41, second laser head 42 and launch incident laser, so
Rear respectively after plane mirror reflects on the first perforate 91 of being each passed through again on first surface mirror 71 or the second curved mirror 72 the
Two perforates 92 are irradiated to the four sides mirror 3 rotated；The four sides mirror 3 rotated is one at the uniform velocity counterclockwise or the optics four sides that turns clockwise
Mirror, realizes at the uniform velocity rotating by a motor；The four sides mirror 3 rotated can be by first laser head the 41, second laser head by rotating
The Laser Modulation of every line of 42 injections becomes the reflection light of 4 lines, and then is transmitted separately to first reflecting element the 81, second reflecting element
82, and then form 32 lines or 40 lines or the uniform grid of 48 lines, it is beneficial to follow-up barcode scanning work.
The light channel structure of the present embodiment, by first reflecting element the 81, second reflecting element 82 formed 32 lines uniform grid or
The uniform grid of 40 lines or the uniform grid of 48 lines, increase barcode scanning scope, is conducive to improving barcode scanning efficiency, the side of operating with
Just.
Further, referring to figs. 1 through 15, step S3, including following sub-step:
S31: retrodirective reflection light direct beam the first reflecting element the 81, second reflecting element 82；
S32: the first reflecting element the 81, second reflecting element 82 is by the four sides mirror 3 of described retrodirective reflection luminous reflectance to rotation；
The four sides mirror 3 of S33: rotation by described retrodirective reflection luminous reflectance to first surface mirror the 71, second curved mirror 72；
Described retrodirective reflection luminous reflectance is focused on the first of correspondence by S34: first surface mirror the 71, second curved mirror 72 respectively
Receive device 51, second and receive device 52.
The light channel structure of the present embodiment, first receiving device the 51, second reception device 52 receives described retrodirective reflection light and enters
The detailed process of row barcode scanning includes: when being scanned bar code, and bar code itself can produce reflection light, and this reflection light can direct projection the
One reflecting element the 81, second reflecting element 82, the some light being i.e. scanned bar code is inversely propagated along original optical path；Retrodirective reflection light
Reflect through first reflecting element the 81, second reflecting element 82, reflection light is transferred to the four sides mirror 3 rotated；Similarly, rotated four
The reflection of face mirror 3, reflection light all converges to first surface mirror the 71, second curved mirror 72；Owing to first surface mirror 71, second is bent
Face mirror 72 curves inwardly, so first surface mirror the 71, second curved mirror 72 can focus on converging to whole reflection light thereon
Receiving device 52 in corresponding first receiving device 51, second, first receiving device 51, second receives device 52 and connects a photoelectricity
Change-over panel, it is possible to the optical signal received is converted to the pulse digit signal of telecommunication, then by this pulse digital signal through signal
Amplification board is amplified, then is transferred to photoelectric conversion plate and carries out opto-electronic conversion, finally reaches terminal, completes reading code.
The light channel structure of the present embodiment, utilizes the reversibility of light, is passed by light channel structure by the optical signal after bar code scan
Receive device 52 to first receiving device 51, second, and the photoelectricity receiving device 52 by first receiving device 51, second turns
Change, reach terminal, complete reading code, simple to operate, and improve reading code efficiency.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every at this
Under the inventive concept of invention, utilize the equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly/indirectly use
The technical field relevant at other is included in the scope of patent protection of the present invention.
Claims (10)
1. a light channel structure, carries out barcode scanning for incident laser is modulated to multi-thread shoot laser, it is characterised in that
Described light channel structure at least includes: first surface mirror, the second curved mirror, the first reflecting element, the second reflecting element, and first receives
Device, the second reception device, and the four sides mirror rotated；
Described first reflecting element, the second reflecting element include four pieces of plane mirrors or five pieces of plane mirrors or six pieces of plane mirrors；
Wherein, two groups of incident lasers are respectively radiated to the four sides mirror of described rotation；
The angle in four faces of the four sides mirror of described rotation is different, and incident laser reflexes to the first reflecting element, second anti-respectively
Penetrate part；
Reflection light is irradiated to bar code by described first reflecting element, the second reflecting element, forms retrodirective reflection light, is irradiated to described first
Reflecting element, the second reflecting element；
Described first reflecting element, the second reflecting element are by the four sides mirror of retrodirective reflection luminous reflectance to described rotation；
The four sides mirror of described rotation is by reflected light back to first surface mirror, the second curved mirror；
Described first surface mirror, the second curved mirror respectively retrodirective reflection luminous reflectance is focused on the first receiving device of correspondence, the
Two receive device.
Light channel structure the most according to claim 1, it is characterised in that this light channel structure also include a signal amplification board,
One laser head and the second laser head, described first receiving device and second receives device and is installed on described signal amplification board, described
Incident laser is penetrated by the first laser head and the second laser head respectively.
Light channel structure the most according to claim 2, it is characterised in that this light channel structure also includes the first plane mirror and second
Plane mirror, described first plane mirror is positioned at the center of first surface mirror, and described second plane mirror is positioned at the center of the second curved mirror,
Described incident laser is respectively through the four sides mirror of described first plane mirror or the second plane mirror reflected illumination to described rotation.
Light channel structure the most according to claim 2, it is characterised in that the center of described first surface mirror is provided with first and opens
Hole, the center of described second curved mirror is provided with the second perforate, and described incident laser is irradiated to through the first perforate or the second perforate
The four sides mirror of described rotation.
Light channel structure the most according to claim 4, it is characterised in that least one set incident laser is worn after plane mirror reflects
Cross the first perforate or the second perforate is irradiated to the four sides mirror of described rotation.
Light channel structure the most according to claim 1, it is characterised in that described first reflecting element, four pieces of the second reflecting element
The angle of the normal direction of the base plane of the normal direction of plane mirror and described installation pedestal be followed successively by 42.3 °, 43.8 °, 43.8 °,
42.3 °, the normal direction angle of described adjacent two eyeglasses of four pieces of plane mirrors is followed successively by 35.5 °, 33.0 °, 35.5 °；Described first reflection
Part, the normal direction of five pieces of plane mirrors of the second reflecting element are followed successively by with the angle of the normal direction of the base plane of described installation pedestal
42.9 °, 43.8 °, 41.6 °, 43.8 °, 42.9 °, the normal direction angle of described adjacent two eyeglasses of five pieces of plane mirrors be followed successively by 25.7 °,
26.4°、26.4°、25.7°；Described first reflecting element, normal direction and the described installation pedestal of six pieces of plane mirrors of the second reflecting element
The angle of the normal direction of base plane is followed successively by 42.1 °, 43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 °, described six pieces of plane mirrors
The normal direction angle of adjacent two eyeglasses is followed successively by 22.1 °, 18.0 °, 16.6 °, 18.0 °, 22.1 °.
Light channel structure the most according to claim 1, it is characterised in that described first reflecting element, the second reflecting element reflection are instead
Penetrate the grid that barcode scanning region is 32 lines or the grid of 40 lines or the grid of 48 lines that light is formed.
8. the barcode scanning reading code method of the light channel structure described in claim 1, it is characterised in that comprise the following steps:
Incident laser is modulated to 32 lines or 40 lines or the grid of 48 lines by light channel structure；
The grid utilizing described 32 lines or 40 lines or 48 lines is irradiated in bar code carry out barcode scanning, forms retrodirective reflection light；
First receiving device, the second reception device receive described retrodirective reflection light, complete follow-up reading code.
The barcode scanning reading code method of light channel structure the most according to claim 8, it is characterised in that described light channel structure is by incidence
Laser Modulation is the step of the grid of 32 lines or 40 lines or 48 lines, including following sub-step:
Two groups of incident lasers are respectively radiated to the four sides mirror of described rotation；
Incident laser is reflexed to described first reflecting element, the second reflecting element by the four sides mirror of described rotation respectively.
The barcode scanning reading code method of light channel structure the most according to claim 8, it is characterised in that described first receiving device,
Second receives device receives described retrodirective reflection light, completes the step of follow-up reading code, including following sub-step:
First reflecting element, the second reflecting element described in retrodirective reflection light direct beam；
Described first reflecting element, the second reflecting element are by the four sides mirror of described retrodirective reflection luminous reflectance to described rotation；
The four sides mirror of described rotation is by described retrodirective reflection luminous reflectance to first surface mirror, the second curved mirror；
Described retrodirective reflection luminous reflectance is focused on the first reception dress of correspondence by described first surface mirror, the second curved mirror respectively
Put, second receive device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111523333A (en) * | 2019-02-01 | 2020-08-11 | 亚旭电脑股份有限公司 | Bar code reading device |
| CN111680647A (en) * | 2020-06-12 | 2020-09-18 | 中华人民共和国杭州海关 | Goggles for hazardous chemical substance detection and detection method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5296691A (en) * | 1992-09-14 | 1994-03-22 | Lazerdata Corporation | Scanning device for reconstructing a complete code from scanned segments |
| CN1567343A (en) * | 2003-06-16 | 2005-01-19 | 巨豪实业股份有限公司 | Scanning device and method of laser bar-code reading apparatus |
| CN103745189A (en) * | 2014-02-13 | 2014-04-23 | 广东旭龙物联科技股份有限公司 | All-directional high-speed laser bar code scanning device |
| CN203733131U (en) * | 2014-02-13 | 2014-07-23 | 广东旭龙物联科技股份有限公司 | All-round high speed laser bar code scanning device |
| CN204028934U (en) * | 2014-08-25 | 2014-12-17 | 深圳市兴通物联科技有限公司 | Laser bar code scanning platform |
| CN204044836U (en) * | 2014-08-25 | 2014-12-24 | 深圳市兴通物联科技有限公司 | Laser bar code scanning platform |
| CN206115448U (en) * | 2016-07-11 | 2017-04-19 | 深圳市兴通物联科技有限公司 | Light path structure |
-
2016
- 2016-07-11 CN CN201610543807.9A patent/CN106056024B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5296691A (en) * | 1992-09-14 | 1994-03-22 | Lazerdata Corporation | Scanning device for reconstructing a complete code from scanned segments |
| CN1567343A (en) * | 2003-06-16 | 2005-01-19 | 巨豪实业股份有限公司 | Scanning device and method of laser bar-code reading apparatus |
| CN103745189A (en) * | 2014-02-13 | 2014-04-23 | 广东旭龙物联科技股份有限公司 | All-directional high-speed laser bar code scanning device |
| CN203733131U (en) * | 2014-02-13 | 2014-07-23 | 广东旭龙物联科技股份有限公司 | All-round high speed laser bar code scanning device |
| CN204028934U (en) * | 2014-08-25 | 2014-12-17 | 深圳市兴通物联科技有限公司 | Laser bar code scanning platform |
| CN204044836U (en) * | 2014-08-25 | 2014-12-24 | 深圳市兴通物联科技有限公司 | Laser bar code scanning platform |
| CN206115448U (en) * | 2016-07-11 | 2017-04-19 | 深圳市兴通物联科技有限公司 | Light path structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111523333A (en) * | 2019-02-01 | 2020-08-11 | 亚旭电脑股份有限公司 | Bar code reading device |
| CN111680647A (en) * | 2020-06-12 | 2020-09-18 | 中华人民共和国杭州海关 | Goggles for hazardous chemical substance detection and detection method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106056024B (en) | 2019-07-16 |
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