CN206421400U - Light channel structure - Google Patents
Light channel structure Download PDFInfo
- Publication number
- CN206421400U CN206421400U CN201620727191.6U CN201620727191U CN206421400U CN 206421400 U CN206421400 U CN 206421400U CN 201620727191 U CN201620727191 U CN 201620727191U CN 206421400 U CN206421400 U CN 206421400U
- Authority
- CN
- China
- Prior art keywords
- reflecting element
- light
- rotation
- channel structure
- mirror
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mechanical Optical Scanning Systems (AREA)
Abstract
The utility model discloses a kind of light channel structure, including：Curved mirror, four sides mirror, reflecting element and the reception device of rotation；Reflecting element includes five pieces of level crossings or six pieces of level crossings；Four sides mirror of the incident laser radiation to rotation；The angle in four faces of the four sides mirror of rotation is different, and incident laser is reflexed into reflecting element；Reflected light is irradiated to bar code by reflecting element, is formed retrodirective reflection light, is irradiated to reflecting element；Reflecting element reflexes to retrodirective reflection light in the four sides mirror of rotation；Retrodirective reflection light is reflexed to curved mirror by the four sides mirror of rotation；The reflection of retrodirective reflection light is focused on reception device by curved mirror.The utility model projects light and forms multi-thread uniform grid, scanning range increase, the reading code ability enhancing of every line, operating efficiency is high, simple in construction, easy to use by improving light path design.
Description
Technical field
The utility model is related to scanning device technical field, more particularly to a kind of light channel structure.
Background technology
At present, the scanning device of in the market 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 also smaller, efficiency is low, and use is quite inconvenient.
Utility model content
Main purpose of the present utility model is to provide a kind of light channel structure, it is intended to which the scanning range that solves single line is small, effect
Rate is low, it is inconvenient for use the problem of.
To achieve the above object, the utility model proposes light channel structure, for incident laser to be modulated into multi-thread outgoing
Laser carries out barcode scanning,
At least include：Curved mirror, four sides mirror, reflecting element and the reception device of rotation；
The reflecting element includes five pieces of level crossings or six pieces of level crossings；
Wherein, four sides mirror of the incident laser radiation to the rotation；
The angle in four faces of the four sides mirror of the rotation is different, and incident laser is reflexed into the reflecting element；
Reflected light is irradiated to bar code by the reflecting element, is formed retrodirective reflection light, is irradiated to the reflecting element；
The reflecting element reflexes to retrodirective reflection light in the four sides mirror of the rotation；
Retrodirective reflection light is reflexed to the curved mirror by the four sides mirror of the rotation；
The reflection of retrodirective reflection light is focused on the reception device by the curved mirror.
Further, the light channel structure also includes a signal amplification board and laser head, and the reception device is installed on described
On signal amplification board, the incident laser is projected by the laser head.
Further, the light channel structure also includes the first level crossing, and first level crossing is located in the curved mirror
The heart, four sides mirror of the incident laser through the first level crossing reflected illumination to the rotation.
Further, the center of the curved mirror is provided with perforate, and the incident laser is irradiated to described through the perforate
The four sides mirror of rotation.
Further, the light channel structure also includes the second level crossing, and the incident laser reflects through second level crossing
The four sides mirror of the rotation is irradiated to through the perforate afterwards.
Further, the reflection construction is placed in a mounting bracket, the normal direction of five pieces of level crossings of the reflecting element and institute
The angle for stating the normal direction of the base plane of mounting bracket is followed successively by 42.9 °, 43.8 °, 41.6 °, 43.8 °, 42.9 °, described five pieces
The normal direction angle of adjacent two eyeglass of level crossing is followed successively by 25.7 °, 26.4 °, 26.4 °, 25.7 °.
Further, the normal direction of six pieces of level crossings of the reflecting element and the normal direction of the base plane of the mounting bracket
Angle is followed successively by 42.1 °, 43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 °, the normal direction of adjacent two eyeglass of six pieces of level crossings
Angle is followed successively by 22.1 °, 18.0 °, 16.6 °, 18.0 °, 22.1 °.
Further, the barcode scanning region of the reflecting element reflective light formation is the grid of 20 lines or the grid of 24 lines.
Light channel structure of the present utility model is by the four sides mirror of incident laser radiation to rotation, and the four sides mirror of rotation is by incidence
Laser reflection is to reflecting element, and reflected light is irradiated to bar code by reflecting element, carries out barcode scanning, forms retrodirective reflection light, is irradiated to reflection
Part, reflecting element reflexes to retrodirective reflection light in the four sides mirror of rotation, and retrodirective reflection light is reflexed to curved mirror by the four sides mirror of rotation,
The reflection of retrodirective reflection light is focused on reception device by curved mirror.Light channel structure of the present utility model, by above-mentioned improvement, will be projected
Light forms multi-thread uniform grid, and scanning range increase, the reading code ability enhancing of every line, operating efficiency raising is simple in construction, makes
With conveniently.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation for the embodiment that the utility model light channel structure reflecting element is five pieces of level crossings；
Fig. 2 is the structural representation for another embodiment that the utility model light channel structure reflecting element is five pieces of level crossings；
Fig. 3 is the structural representation for the another embodiment that the utility model light channel structure reflecting element is five pieces of level crossings；
Fig. 4 is the structural representation for the embodiment that the utility model light channel structure reflecting element is six pieces of level crossings；
Fig. 5 is the structural representation for another embodiment that the utility model light channel structure reflecting element is six pieces of level crossings；
Fig. 6 is the structural representation for the another embodiment that the utility model light channel structure reflecting element is six pieces of level crossings；
The schematic diagram of the grid for 20 lines that Fig. 7 is formed for Fig. 1 light channel structure；
The schematic diagram of the grid for 24 lines that Fig. 8 is formed for Fig. 4 light channel structure.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Laser head | 6 | Reception device |
| 2 | First level crossing | 7 | Signal amplification board |
| 3 | Curved mirror | 8 | Mounting bracket |
| 4 | The four sides mirror of rotation | 9 | Second level crossing |
| 5 | Reflecting element | 10 | Perforate |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not paying creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that institute is directional in the utility model embodiment indicates (such as up, down, left, right, before and after ...)
Relative position relation, motion conditions for being only used for explaining under a certain particular pose (as shown in drawings) between each part etc., such as
When really the particular pose changes, then directionality indicates also correspondingly therewith to change.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
It will be understood that the combination of this technical scheme is not present when appearance is conflicting or can not realize, also not in the utility model requirement
Protection domain within.
The utility model provides a kind of light channel structure, and barcode scanning is carried out for incident laser to be modulated into multi-thread shoot laser,
Aim to solve the problem that single line scanning range is small, efficiency is low, it is inconvenient for use the problem of.
Referring to figs. 1 to 6, in the embodiment of the utility model light channel structure one, the light channel structure at least includes：Curved mirror 3,
Four sides mirror 4, reflecting element 5 and the reception device 6 of rotation；
Reflecting element 5 includes five pieces of level crossings or six pieces of level crossings；
Wherein, four sides mirror 4 of the incident laser radiation to rotation；
The angle in four faces of the four sides mirror 4 of rotation is different, and incident laser is reflexed into reflecting element 5；
Reflected light is irradiated to bar code by reflecting element 5, is formed retrodirective reflection light, is irradiated to reflecting element 5；
Reflecting element 5 reflexes to retrodirective reflection light in the four sides mirror 4 of rotation；
Retrodirective reflection light is reflexed to curved mirror 3 by the four sides mirror 4 of rotation；
The reflection of retrodirective reflection light is focused on reception device 6 by curved mirror 3.
The light channel structure of the present embodiment, is mainly used in incident laser being modulated to multi-thread shoot laser progress barcode scanning, mainly
Four sides mirror 4, reflecting element 5 and reception device 6 including curved mirror 3, rotation, reflecting element 5 includes five pieces of level crossings or six pieces flat
Face mirror.The four sides mirror 4 of rotation is the optics four sides mirror being fixed on a motor at the uniform velocity rotated clockwise or counterclockwise, the motor
The specifically control circuit control on the decoding deck being attached thereto, the angle in 4 faces of the four sides mirror is different, so same
During the incident laser prolonged exposure in one direction, each face of four sides mirror 4 of rotation will produce the reflection of a different reflection directions
Light；In order to receive the reflected light that the four sides mirror 4 of rotation reflects, the reflection light direction of four sides mirror 4 of rotation is provided with reflecting element 5,
Reflecting element 5 is made up of five pieces or six pieces of level crossings being arranged in order, in the center of each piece of level crossing and the four sides mirror 4 of rotation
The heart is located in same light path so that each piece of level crossing of reflecting element 5 can receive the height that the four sides mirror 4 of rotation is reflected
4 reflection lights differed, five pieces of reflecting element 5 or six pieces of level crossings cooperate 4 reflected lights in every one side are linear
Into the output of multigroup reflection light；The reflection light of the formation of reflecting element 5 can form reverse anti-on bar code surface when being irradiated in bar code
Light is penetrated, the invertibity propagated according to light, retrodirective reflection light irradiates back reflecting element 5 again, only retrodirective reflection light now passes through
The absorption and reflection of bar code, are changed in wavelength and quantitative aspects, reflecting element 5 by light path by bar code produce it is inverse
To reflected light back to the four sides mirror 4 of rotation；The four sides mirror 4 of rotation is re-used as a reflecting surface and reflexes to the retrodirective reflection light
The light-ray condensing of the diverging is sent to reception device 6 by curved mirror 3, curved mirror 3；Reception device 6 connects a photoelectric conversion plate, energy
It is enough that the optical signal received is converted into pulse digit electric signal, then the pulse digital signal is carried out by signal amplification board
Amplify, then be transferred to decoding deck and decoded.
The light channel structure of the present embodiment, by the way that the four sides mirror 4 of the four sides mirror 4 of incident laser radiation to rotation, rotation is incited somebody to action
Incident laser reflexes to reflecting element 5, and reflected light is irradiated to bar code by reflecting element 5, carries out barcode scanning, forms retrodirective reflection light, irradiation
To reflecting element 5, reflecting element 5 reflexes to retrodirective reflection light in the four sides mirror 4 of rotation, and the four sides mirror 4 of rotation is anti-by retrodirective reflection light
Curved mirror 3 is mapped to, the reflection of retrodirective reflection light is focused on reception device 6 by curved mirror 3；By above-mentioned improvement, light will be projected and formed
Multi-thread uniform grid, scanning range increase, the reading code ability enhancing of every line, operating efficiency is improved, simple in construction, user
Just.
Further, referring to figs. 1 to 6, the light channel structure also includes a signal amplification board 7 and laser head 1, reception device 6
It is installed on signal amplification board 7, the incident laser is projected by laser head 1.
The light channel structure of the present embodiment, the light channel structure also includes a signal amplification board 7, and signal amplification board 7 is by electronics member
Part, circuit and pcb board are constituted, and are supported by the multiple cylinders being connected with mounting bracket；Reception device 6 is gathered for receiving curved mirror 3
Burnt light beam, is converted to pulse digit electric signal, then pass through by the photoelectric conversion plate that is attached thereto by the optical signal received
The signal amplification board 7 being connected with photoelectric conversion plate carries out signal amplification, is finally entered by the decoding deck being connected with signal enlarged version 8
Row decoding, and transmit to computer terminal, improve the efficiency of barcode scanning and reading code；Laser head 1 is controlled to launch by circuit control module
Incident laser, the wavelength of incident laser is 650nm, and operation is flexible, easy to use.
Further, reference picture 1 or 4, the light channel structure also includes the first level crossing, and first level crossing is located at described
The center of curved mirror, four sides mirror of the incident laser through the first level crossing reflected illumination to the rotation.
The light channel structure of the present embodiment, the light channel structure includes the first level crossing 2, and the first level crossing 2 is by being integrally formed
Plating mode be arranged at the center of curved mirror 3, the first level crossing 2 is anti-by single line incident laser mainly as a reflecting surface
The four sides mirror 4 of rotation is mapped to, operation is flexible, easy to use.
Further, reference picture 2 or 5, the center of curved mirror 3 is provided with perforate 10, and the incident laser passes through the perforate
10 are irradiated to the four sides mirror 4 of rotation.
In another embodiment of the light channel structures provided of Fig. 2 or 5, the center of curved mirror 3 is provided with perforate 10, laser
First 1 is arranged on the outside of the curved surface of curved mirror 3, and laser head 1 and the four sides mirror 4 of perforate 10 and rotation are generally aligned in the same plane, so as to swash
The incident laser that shaven head 1 is sent can be irradiated on the four sides mirror 4 of rotation through the perforate 10, improve light channel structure
Diversity.
Further, reference picture 3 or 6, the light channel structure also includes the second level crossing 9, and the incident laser is flat through second
Face mirror 9 is irradiated to the four sides mirror 4 of rotation through the perforate 10 after reflecting.
In another embodiment that Fig. 3 or 6 is provided, the four sides mirror 4 of the second level crossing 9 and perforate 10 and rotation is in same
Plane, laser head 1 is located on the center line of mounting bracket 8, after the incident laser that laser head 1 is launched reflects through the second level crossing 9
It can just be irradiated to through perforate 10 on the four sides mirror 4 of rotation, on the center line that laser head 1 is arranged on to installation pedestal 8,
The perforate of signal amplification board 7 can be reduced, and is firmly installed.
Further, referring to figs. 1 to 6, reflecting element 5 is arranged at a mounting bracket 8, the method for five pieces of level crossings of reflecting element 5
42.9 °, 43.8 °, 41.6 °, 43.8 °, 42.9 °, five pieces are followed successively by the angle with the normal direction of the base plane of mounting bracket 8
The normal direction angle of adjacent two eyeglass of level crossing is followed successively by 25.7 °, 26.4 °, 26.4 °, 25.7 °.
The light channel structure of the present embodiment, reflecting element 5 is made up of five pieces of level crossings, five pieces of level crossings cooperate and with installation
Support 8 has a certain degree configuration.Reflecting element 5 is arranged in mounting bracket 8, and five pieces of level crossings pass through stickup or clamping mode
It is fixed in mounting bracket 8, the angle of the normal direction and the normal direction of the base plane of mounting bracket 8 of five pieces of level crossings is followed successively by
42.9 °, 43.8 °, 41.6 °, 43.8 °, 42.9 ° so that each piece of the optical centre of the four sides mirror 4 of rotation and five pieces of level crossings
The optical centre of level crossing is in same light path, to receive 4 reflections that height that the four sides mirror 4 of rotation reflects back is different
Light；The method phase angle of the eyeglass of the adjacent two pieces of level crossings of five pieces of level crossings be followed successively by 25.7 °, 26.4 °, 26.4 °,
25.7 °, in order to which 4 reflection lights that five pieces of each piece of level crossings are reflected are combined together, formation one is large range of
Barcode scanning region, is conducive to improving the efficiency of barcode scanning.
Further, referring to figs. 1 to 6, the normal direction of six pieces of level crossings of reflecting element 5 and the base plane of mounting bracket 8
The angle of normal direction is followed successively by 42.1 °, 43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 °, the method for adjacent two eyeglass of six pieces of level crossings
22.1 °, 18.0 °, 16.6 °, 18.0 °, 22.1 ° are followed successively by angle.
The light channel structure of the present embodiment, reflecting element 5 is made up of six pieces of level crossings, six pieces of level crossings cooperate and with installation
Support 8 has a certain degree configuration.Reflecting element 5 is arranged in mounting bracket 8, and six pieces of level crossings pass through stickup or clamping mode
It is fixed in mounting bracket 8, the angle of the normal direction and the normal direction of the base plane of mounting bracket 8 of six pieces of level crossings is followed successively by
42.1 °, 43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 ° so that the optical centre of the four sides mirror 4 of rotation and six pieces of level crossings
The optical centre of each piece of level crossing be in same light path, it is different to receive the height that the four sides mirror 4 of rotation reflects back
4 reflection lights；The method phase angle of the eyeglass of the adjacent two pieces of level crossings of six pieces of level crossings be followed successively by 22.1 °, 18.0 °,
16.6 °, 18.0 °, 22.1 °, in order to which 4 reflection lights that six pieces of each piece of level crossings are reflected are combined together, form one
Individual large range of barcode scanning region, is conducive to improving the efficiency of barcode scanning.
Further, referring to figs. 1 to 8, the barcode scanning region of the reflective light of reflecting element 5 formation is the grid or 24 lines of 20 lines
Grid.
The light channel structure of the present embodiment, the barcode scanning region of the reflective light of reflecting element 5 formation is the uniform grid of 20 lines, is swashed
Shaven head 1 launches incident laser radiation and 4 reflected in parallel light, each piece of level crossing of reflecting element 5 is formed to the four sides mirror 4 of rotation
4 reflected in parallel light are reflected simultaneously, are formed 5 groups of cross one another 4 reflected in parallel light, are projected and just formed in a plane
The uniform grid of 20 lines.The uniform grid of 20 lines substantially increases scanning range, and the barcode scanning ability enhancing of every line,
Even grid, which only needs to randomly blocking bar code, can just complete barcode scanning work, without the corresponding angle and direction of correspondence, improve
The operating efficiency of barcode scanning.
The barcode scanning region of the reflective light of reflecting element 5 formation is the uniform grid of 24 lines, and the transmitting incident laser of laser head 1 shines
Be mapped on the four sides mirror 4 of rotation 4 reflected in parallel light of formation, each piece of level crossing of reflecting element 5 reflect simultaneously this 4 it is parallel anti-
Light is penetrated, 6 groups of cross one another 4 reflected in parallel light is formed, projects the uniform grid that 24 lines are just formed in a plane.24 lines
Uniform grid substantially increase scanning range, and the barcode scanning ability enhancing of single line, uniform grid is only needed to randomly
Blocking bar code can just complete barcode scanning work, without the corresponding angle and direction of correspondence, improve the operating efficiency of barcode scanning.
Referring to figs. 1 to 8, the utility model carries out barcode scanning reading code in the following ways, specifically includes：
Incident laser is modulated to the grid of 20 lines or 24 lines by light channel structure；
It is irradiated to using the grid of 20 line or 24 lines in bar code and carries out barcode scanning, forms retrodirective reflection light；
Reception device receives the retrodirective reflection light, completes subsequent reads code.
In the present embodiment, when carrying out barcode scanning and reading code using the light channel structure, it is necessary first to by entering that laser head 1 is projected
Penetrate the grid that laser is modulated to 20 lines or 24 lines by light channel structure；Then the grid for modulating 20 lines projected or 24 lines is irradiated
Barcode scanning is carried out on to bar code, is attached to because bar code is general by the different black lines of size on a white bottom plate, black lines
There is absorption to laser or infrared-ray etc., and white bottom plate has reflex to laser or infrared-ray etc., so
When the grid of 20 lines or 24 lines is radiated in bar code at random, bar code can absorb the light of certain wavelength and be carried out by white bottom plate anti-
Penetrate, form retrodirective reflection light；Finally, reverse direction loop of the retrodirective reflection light reflected by bottom plate through light channel structure is mapped to reception
On device 6, reception device 6 connects a photoelectric conversion plate, the optical signal received can be converted into pulse digit electric signal, so
The pulse digital signal is amplified by signal amplification board afterwards, then is transferred to decoding deck and is decoded, data signal is changed into
Terminal is reached, reading code is completed.
Incident laser, is modulated to the grid of 20 lines or 24 lines by the light channel structure of the present embodiment first, then utilizes 20 lines
Or 24 the grid of line be irradiated in bar code and carry out barcode scanning, form retrodirective reflection light, retrodirective reflection received finally by reception device 6
Light, decoding deck carries out decoding effort, and the scope increase of barcode scanning, the reading code ability enhancing of every line is conducive to improving operating efficiency,
And it is easy for operation.
Further, referring to figs. 1 to 8, incident laser is modulated to the process of the grid of 20 lines or 24 lines by light channel structure, tool
Body includes：
By the four sides mirror 4 of incident laser radiation to rotation；
Incident laser is reflexed to reflecting element 5 by the four sides mirror 4 of rotation.
In the present embodiment, when carrying out barcode scanning and reading code using the light channel structure, incident laser is modulated to 20 by light channel structure
The process of the grid of line or 24 lines is specifically included：Firstly, it is necessary to switch on power, laser head is controlled to the first level crossing 2 or the second
The direct laser of level crossing 9, the first level crossing 2 or the second level crossing 9 are in same plane with laser head 1；First level crossing 2 connects
Receive after the incident laser that laser head 1 is projected, directly reflexed to the four sides mirror 4 of rotation, the second level crossing 9 swashs reflection incidence
The perforate 10 at light through the center of curved mirror 3 is irradiated to the four sides mirror 4 of rotation, or is worn by the directly transmitting incident laser of laser head 1
The perforate 10 for crossing the center of curved mirror 3 is irradiated to the four sides mirror 4 of rotation；The four sides mirror 4 of rotation is one at the uniform velocity counterclockwise or clockwise
The optics four sides mirror of rotation, is realized by a motor and at the uniform velocity rotated；The four sides mirror 4 of rotation can be penetrated laser head 1 by rotation
The Laser Modulation gone out and then is transmitted to the uniform grid of 20 lines of formation of reflecting element 5 into the reflected in parallel light of 4 lines or forms 24 lines
Uniform grid, so that follow-up barcode scanning works.
The light channel structure of the present embodiment, passes through the uniform grid or the uniform grid of 24 lines of 20 lines of formation of reflecting element 5, increase
Barcode scanning scope, is conducive to improving barcode scanning efficiency, and easy for operation.
Further, referring to figs. 1 to 8, reception device 6 receives the retrodirective reflection light progress reading code and specifically included：
Retrodirective reflection light direct beam reflecting element 5；
Reflecting element reflexes to the retrodirective reflection light in the four sides mirror 4 of rotation；
The retrodirective reflection light is reflexed to curved mirror 3 by the four sides mirror 4 of rotation；
Retrodirective reflection light reflection is focused on reception device 6 by curved mirror 3.
In the present embodiment, the detailed process that reception device 6 receives the retrodirective reflection light progress reading code includes：To bar code
When being scanned, bar code can produce reflected light in itself, and the reflected light can direct projection reflecting element 5, i.e., the part being scanned to bar code
Light is inversely propagated along original optical path；The reflected part 5 of retrodirective reflection light is reflected, and retrodirective reflection light is transferred to the four sides mirror 4 of rotation；
Similarly, the reflection of rotated four sides mirror 4, inversely penetrates light and all converges on curved mirror 3；Because curved mirror 3 curves inwardly,
So curved mirror 3 can focus on the whole reflected lights converged to thereon reception device 6, reception device 6 connects a photoelectricity and turned
Plate is changed, the optical signal received pulse digit electric signal can be converted to, then put the pulse digital signal by signal
Big plate is amplified, then is transferred to decoding deck and is decoded, and finally reaches terminal, completion reading code.
The light channel structure of the present embodiment, using the invertibity of light, the optical signal after bar code scan is passed by light channel structure
Opto-electronic conversion is carried out to reception device 6, and by the photoelectric conversion plate of reception device 6, terminal is reached, it is simple to operate,
And improve reading code efficiency.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every utility model of the present utility model design under, the equivalent structure made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of light channel structure, barcode scanning is carried out for incident laser to be modulated into multi-thread shoot laser, it is characterised in that
The light channel structure at least includes：Curved mirror, four sides mirror, reflecting element and the reception device of rotation；
The reflecting element includes five pieces of level crossings or six pieces of level crossings；
Wherein, four sides mirror of the incident laser radiation to the rotation；
The angle in four faces of the four sides mirror of the rotation is different, and incident laser is reflexed into the reflecting element；
Reflected light is irradiated to bar code by the reflecting element, is formed retrodirective reflection light, is irradiated to the reflecting element；
The reflecting element reflexes to retrodirective reflection light in the four sides mirror of the rotation；
Retrodirective reflection light is reflexed to the curved mirror by the four sides mirror of the rotation；
The reflection of retrodirective reflection light is focused on the reception device by the curved mirror.
2. light channel structure according to claim 1, it is characterised in that the light channel structure also includes a signal amplification board and swashed
Shaven head, the reception device is installed on the signal amplification board, and the incident laser is projected by the laser head.
3. light channel structure according to claim 2, it is characterised in that the light channel structure also includes the first level crossing, described
First level crossing is located at the center of the curved mirror, and the incident laser is through the first level crossing reflected illumination to the four of the rotation
Face mirror.
4. light channel structure according to claim 2, it is characterised in that the center of the curved mirror is provided with perforate, it is described enter
Penetrate the four sides mirror that laser is irradiated to the rotation through the perforate.
5. light channel structure according to claim 4, it is characterised in that the light channel structure also includes the second level crossing, described
Incident laser is irradiated to the four sides mirror of the rotation through the perforate after being reflected through second level crossing.
6. light channel structure according to claim 1, it is characterised in that the reflecting element is arranged at a mounting bracket, described
The angle of the normal direction of the normal direction of five pieces of level crossings of reflecting element and the base plane of the mounting bracket be followed successively by 42.9 °,
43.8 °, 41.6 °, 43.8 °, 42.9 °, the normal direction angle of adjacent two eyeglass of five pieces of level crossings be followed successively by 25.7 °, 26.4 °,
26.4°、25.7°；The angle of the normal direction of six pieces of level crossings of the reflecting element and the normal direction of the base plane of the mounting bracket
It is followed successively by 42.1 °, 43.5 °, 41.4 °, 41.4 °, 43.5 °, 42.1 °, the normal direction angle of adjacent two eyeglass of six pieces of level crossings
It is followed successively by 22.1 °, 18.0 °, 16.6 °, 18.0 °, 22.1 °.
7. light channel structure according to claim 1, it is characterised in that the barcode scanning area of the reflecting element reflective light formation
Domain is the grid of 20 lines or the grid of 24 lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620727191.6U CN206421400U (en) | 2016-07-11 | 2016-07-11 | Light channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620727191.6U CN206421400U (en) | 2016-07-11 | 2016-07-11 | Light channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421400U true CN206421400U (en) | 2017-08-18 |
Family
ID=59578985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620727191.6U Active CN206421400U (en) | 2016-07-11 | 2016-07-11 | Light channel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206421400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106056025A (en) * | 2016-07-11 | 2016-10-26 | 深圳市兴通物联科技有限公司 | Light path structure and coding scanning and reading method |
-
2016
- 2016-07-11 CN CN201620727191.6U patent/CN206421400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106056025A (en) * | 2016-07-11 | 2016-10-26 | 深圳市兴通物联科技有限公司 | Light path structure and coding scanning and reading method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5923021A (en) | Light collection systems in electro-optical readers | |
| WO2015120615A1 (en) | All-directional high-speed laser bar code scanning apparatus | |
| CN206421400U (en) | Light channel structure | |
| CN102364495A (en) | Small fingerprint acquirer | |
| CN106056024B (en) | Light channel structure and its barcode scanning reading code method | |
| CN206115448U (en) | Light path structure | |
| CN106056025A (en) | Light path structure and coding scanning and reading method | |
| CN108761775A (en) | A kind of double pendulum index glass laser scanning device | |
| CN202976114U (en) | Bar code reader with special focusing patterns | |
| CN102693408A (en) | Micro laser scanning device and portable terminal thereof | |
| CN208224603U (en) | A kind of double pendulum index glass laser scanning device | |
| US20040188527A1 (en) | Barcode scanner | |
| US7077324B2 (en) | Multi-line barcode scanner with no moving parts | |
| CN105376451B (en) | Linear light source, imaging sensor and image scanning apparatus | |
| CN212276421U (en) | Improve sweep a yard device of sweeping of a yard lighting efficiency | |
| CN202677417U (en) | Micro laser scanning device and portable terminal thereof | |
| CN112668354A (en) | Scanner and wearable intelligent device with same | |
| CN208589036U (en) | A kind of laser scanning device based on rotating mirror | |
| CN211488429U (en) | Light path system for ultraviolet curing equipment | |
| CN201047946Y (en) | Bar code scanning reader | |
| TWI272543B (en) | Light source module of barcode scanning apparatus | |
| CN206353322U (en) | Laser bar code scanning platform | |
| CN204906505U (en) | Ultraviolet ray transmitted light source and image reading device | |
| CN204288241U (en) | With the portable terminal of dual laser scanning device | |
| CN104392199A (en) | Double-laser scanning equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |