CN205480509U - Bar code reading equipment 's lighting module - Google Patents
Bar code reading equipment 's lighting module Download PDFInfo
- Publication number
- CN205480509U CN205480509U CN201620105521.8U CN201620105521U CN205480509U CN 205480509 U CN205480509 U CN 205480509U CN 201620105521 U CN201620105521 U CN 201620105521U CN 205480509 U CN205480509 U CN 205480509U
- Authority
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- China
- Prior art keywords
- module
- collecting lens
- bar code
- illumination
- camera module
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a bar code reading equipment's lighting module, including source of illumination, collector lens, the module of making a video recording, fixed bolster and bottom plate, the fixed bolster is fixed in source of illumination, collector lens and the module of making a video recording on the bottom plate, collector lens, including two structure equipment pieces and effective mirror surface, structure equipment piece is separated by the certain distance and is set up side by side, and effective mirror surface sets up in the top of two structures equipment pieces, makes structure equipment piece and effective mirror surface form an accommodation space, source of illumination places in the accommodation space, and source of illumination's light sees through the image recognition region light filling of collector lens for the module of making a video recording. Pass through collector lens, source of illumination and the module of making a video recording fixed bolster combination forms a whole, makes source of illumination, collector lens and fixed that the module can be firm of making a video recording, and difficult dislocation, shifts, and is easy to assemble, fixed, saves installation, operating time, improves work efficiency greatly.
Description
Technical field
This utility model relates to belonging to and automatically identifies industry, particularly relates to the illumination mould of a kind of bar code recognizing apparatus
Group.
Background technology
Prior art bar code decoding equipment or image recognition apparatus its for instruction and the effect of supplementary lighting device
The poorest.
Select the Sabia fasciculata Lecomte et L.Chen corner LED related to without secondary optics as guidance lighting in terms of guidance lighting device
Light source, its angle of divergence typically selects 10-15 degree；The Sabia fasciculata Lecomte et L.Chen corner LED without secondary optical design is selected to make
For guidance lighting light source, its angle of divergence typically selects 10-15 degree, and LED is typically with ball cover, and light is at ball cover
Effect under converge line, but simultaneously because the problem such as ball cover material and design, light is after superrefraction reflects
Outgoing, the brightness irregularities of its emergent light spot, easily form ring-type bright band, and the angle of divergence is known for bar code
Read application bigger than normal, along with the increase of light propagation distance when being applied to remote bar code decoding, its hot spot
Drastically spread, spot diameter commonly greater than the region of bar code, even greater than visual field planar range, indicative function
Faint, it is impossible to guide user that bar code to be distinguished is placed on optimum solution code position, affect decoding efficiency.
The high-power corner LED that dissipates without secondary optical design is selected to illuminate as light filling in terms of light filling illumination
Light source, the angle of divergence typically selects 80-120 degree.In order to realize the illumination of uniform light filling, general selection dissipates greatly
The LED at angle is as light filling lighting source, and the angle of divergence typically selects 80-120 degree, emergent light spot along with propagate away from
From increase, drastically spread, average illumination drastically reduces.To this end, high-power LED typically can be selected, logical
Cross the mode increasing electric current, make up the problem that optical illumination is not enough, and great power LED is high for cooling requirements,
And then increase the design difficulty to structure and circuit part, and increase power consumption.Light filling illumination region is general
The shell the most outside window of employing equipment is any limitation as the light hurdle of emergent light spot profile, this simple geometry light
Mode reduces the utilization rate of luminous energy to a certain extent.In order to make equipment can more meet ergonomics with
And having more preferable outward appearance, the design structurally of its exit window easily causes light filling illumination spot and is only formed
Upper sideline is clearly, and lower sideline obscures.And the shape of illumination spot not sum visual field plane are consistent,
The center often illuminating region is deviateed with field of view center, and illumination region is more than visual field plane domain, wastes
The luminous energy of part, and the most easily bar code is placed in un-decodable region by misleading user,
Affect decoding effort efficiency.
Utility model content
The technical problems to be solved in the utility model, is to provide a kind of illumination module being combined into entirety, solves
The illumination module of existing bar code recognizing apparatus of having determined install trivial operations, fixing loosely, illuminating effect is the best
Problem.
This utility model is achieved in that the illumination module of a kind of bar code recognizing apparatus, for distinguishing head
Light filling illuminates, including lighting source, collecting lens, camera module, fixed support and bottom surface；Described solid
Lighting source, collecting lens and camera module are fixed on floor by fixed rack, and described fixed support includes
Carrying tablet, enclosing sheet and leg；Described carrying tablet is provided with camera module mouth, two collecting lens mouths,
Described collecting lens is positioned in collecting lens mouth, and camera module is positioned in camera module mouth, described shooting
Module mouth is located in the middle of two collecting lens mouths；Described enclosing sheet around described carrying tablet edge, enclosing sheet with
Carrying tablet encloses the fixing camera module of formation, collecting lens and the groove of lighting source；At the bottom of described enclosing sheet
Edge, portion is provided with the leg of multiple fixing described fixed support；Described collecting lens is by the light of lighting source
Converging, assemble block and effective minute surface including two structures, it is separated by a distance that described structure assembles block
Being arranged side by side, effective minute surface is set up in two structures and assembles the top of block, makes structure assemble block and effective minute surface
Form an accommodation space；Described lighting source is positioned in accommodation space, and the light of lighting source passes through optically focused
Lens are the image recognition region light filling of camera module.
Wherein, the optical axis of described collecting lens is angled with the optical axis of lighting source, camera module both sides
The optical axis of collecting lens opens to camera module both sides respectively.
Wherein, described lighting source is adopting surface mounted LED, and light emitting anger is 80-120 °.
Wherein, effective minute surface upper surface of described collecting lens is curved surface.
Wherein, the two ends of described effective minute surface be connected to structure assemble block top, effective minute surface with
Structure assembles after block connects and forms inverted U structure.
Wherein, described structure assembles block bottom surface and is provided with locating dowel.
Wherein, two structures of described collecting lens assemble module bottom and are respectively equipped with a locating dowel, structure
Assemble module bottom locating dowel thickness different.
Wherein, described structure assembling block is one-body molded with effective minute surface.
Wherein, described support bracket fastened material is metal material, and there is layer oxide film on fixed support surface.
Wherein, described camera module mouth edge is provided with a fool proof breach.
The utility model has the advantage of:
One, by collecting lens, lighting source and camera module by described fixed support combine formation one
Individual entirety, enables lighting source, collecting lens and camera module to be firmly fixed, and be difficult to dislocation,
Displacement, conveniently installs, fixes, and saving is installed, the operating time, is greatly improved work efficiency.
Symmetrical after two, two groups of lighting sources are added collecting lens combination it is placed on camera module both sides, by
In collecting lens, the light of lighting source is converged, visual field plane is formed upper and lower two pieces of light fillings illumination
Region, due to the superposition of light, forms the bright hot spot of strip, one in the center in illumination region
Determine to play in degree indicative function, guide user that reading bar code will be treated to move to most preferably and distinguish position；
Three, by refraction and the optically focused effect of collecting lens, the light sending lighting source converges
Poly-, to reach to change the light direction of propagation, improve the illuminance in the efficiency of light energy utilization and light filling illumination region
Purpose.
Accompanying drawing explanation
Fig. 1 is the support bracket fastened front view of this utility model；
Fig. 2 is the support bracket fastened lateral plan of this utility model；
Fig. 3 is the support bracket fastened three-dimensional view of this utility model；
Fig. 4 is the front view of this utility model collecting lens；
Fig. 5 is the three-dimensional view of this utility model collecting lens；
Fig. 6 is the three-dimensional view of this utility model lighting source；
Fig. 7 is the three-dimensional view of this utility model collecting lens and lighting source combination；
Fig. 8 is the lateral plan of this utility model collecting lens and lighting source combination；
Fig. 9 is that this utility model illumination module entirety omits support bracket fastened structural representation；
Figure 10 is the cross section view of this utility model Fig. 9.
Label declaration:
Carrying tablet-11 enclosing sheet-12 leg-13 collecting lens mouth-14 camera module mouth-15
Fool proof breach-16 collecting lens-2 structure assembles block-21 upper surface-221
Lower surface-222 effective minute surface-22 locating dowel-23 accommodation space-24 lighting source-3
Camera module-4
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below
In conjunction with embodiment and coordinate accompanying drawing to be explained in detail.
A kind of illumination module of bar code recognizing apparatus, for distinguish head light filling illumination, including lighting source 3,
Collecting lens 2, camera module 4, fixed support and base plate (base plate is not shown)；Described illumination module
Being fixed on base plate entirely through fixed support, described base plate can be pcb board, flexible PCB etc.,
Can be used for communicating with other control modules by etched circuit on described base plate, by the fixing illumination of fixed support
Module is easy for installation, and more firm.
Refering to shown in Fig. 1 to Fig. 3, described fixed support includes carrying tablet 11, enclosing sheet 12 and leg 13；
Described carrying tablet 11 is provided with 15, two collecting lens mouths 14 of camera module mouth, and described collecting lens 2 is put
Being placed in collecting lens mouth 14, camera module 4 is positioned in camera module mouth 15, described camera module mouth
15 edges are provided with a fool proof breach 16, and described camera module 4 is provided with and described fool proof breach 16 shape phase
Corresponding projection, serves well installation guide effect by fool proof breach 16 and prevents camera module 4 from installing
Dislocation.Described camera module mouth 15 is located in the middle of two collecting lens mouths 14, makes two collecting lens 2 phases
Camera module 4 is symmetrical arranged.Described enclosing sheet 12 is around described carrying tablet 11 edge, enclosing sheet 12
The fixing camera module 4 of formation, collecting lens 2 and the groove of lighting source 3 is enclosed with carrying tablet 11；Institute
State enclosing sheet 12 bottom margin and be provided with the leg 13 of multiple fixing described fixed support.Described support bracket fastened
Material is metal material, and fixed support surface is through blackening process, and the technique of described blackening process is with chemistry
Mode produces the oxide-film of one layer of black in metal surface, thus reaches to completely cut off the purpose that air is antirust.Simultaneously
Black surface is conducive to absorbing veiling glare.Fixed support plays fixing collecting lens 2 and eliminates veiling glare
Effect, fixed support described in present embodiment is rectangular structure, and support bracket fastened carrying tablet 11 sets
Having two square collecting lens mouths 14 for placing collecting lens 2, the centre of two square openings is shooting mould
Group mouth 15, carrying tablet 11 surrounding is with enclosing sheet 12, and described enclosing sheet 12 is mutually perpendicular to carrying tablet 11,
Enclosing sheet 12 enclosing carrying tablet 11 surrounding forms groove, and described groove by chance accommodates collecting lens 2 and takes the photograph
As module 4, the bottom of described enclosing sheet 12 is provided with 4 protruding legs 13, at fixing described fixed support
Time by leg 13 through bending after base plate, make fixed support be fastened on base plate.
Refering to shown in Fig. 4 and Fig. 5, the light of lighting source 3 is converged by described collecting lens 2, bag
Including two structures and assemble block 21 and effective minute surface 22, it is separated by a distance side by side that described structure assembles block 21
Arranging, effective minute surface 22 is set up in two structures and assembles the top of block 21, makes structure assemble block 21 with effective
Minute surface 22 forms an accommodation space 24；Described lighting source 3 is positioned in accommodation space 24, lighting source
The light of 3 is through the image recognition region light filling that collecting lens 2 is camera module 4.Two groups of lighting sources 3 with
The both sides being positioned over camera module 4 symmetrical after collecting lens 2 combination, by the refraction of collecting lens 2 with
And the light of lighting source 3 converges by optically focused effect, to reach to change the light direction of propagation, improve light
The purpose of the illumination in energy utilization rate and light filling illumination region.
Refering to shown in Fig. 7, Fig. 8, Fig. 9, Figure 10, in order to farthest improve the efficiency of light energy utilization with
And the illumination in light filling illumination region, and illumination region can be made to play certain indicative function, described optically focused
The optical axis of lens 2 is angled with the optical axis of lighting source 3, i.e. arranges the following table of described collecting lens 2
Face 222 is inclined-plane, and angle of inclination and the incline direction on described inclined-plane set according to actually used situation,
In the present embodiment, described inclined-plane entirety is rendered as by camera module side high, away from camera module side
Low is skewed, lower surface 222 be obliquely installed make the optical axis of camera module 4 both sides collecting lens 2 respectively to
Camera module 4 both sides are opened.Collecting lens 2 inclined light shaft arranges and makes light filling illumination region and visual field plane
Size is close, greatly improves utilization rate and the effectiveness in illumination region of luminous energy.Due to folding of light
Add the central area bright hot spot by the broader strip of formation, play indicative function to a certain extent, draw
Lead user reading bar code to be treated to move to most preferably distinguish position.Additionally strip light filling blast illumination region is more
Add and meet the light filling effect to bar code.The angle of described collecting lens 2 inclined light shaft is according to actual illumination
Requirements set, the bright light spot width that different angles of inclination enables to central area strip is different.
Described collecting lens 2 uses optical plastic material, uses PC material or PMMA material to make, adopts
Producing with molding injection molding manner, it includes that two structures assemble block 21 and effective minute surface 22, two structure groups
Dress block 21 and effectively minute surface 22 enclose and form a space housing lighting source 3.Described collecting lens 2
Effective minute surface 22 upper surface 221 be curved surface, the lower surface 222 of effective minute surface 22 is plane, Ke Yishi
Spherical structure or non-spherical structure.Effectively minute surface 22 is set up in two structures and assembles the top of block 21, makes
Structure assembles block 21 and forms an accommodation space 24 with effective minute surface 22, and structure assembles block 21 and collecting lens 2
Assembling the space forming accommodating lighting source 3, this structure does not affect spotlight effect and makes collecting lens 2 convenience
Assemble.One preferred embodiment in, the two ends of described effective minute surface 22 be connected to structure assemble
The top of block 21, effective minute surface 22 assembles with structure after block 21 is connected and forms inverted U accommodation space, described
Lighting source 3 is positioned in the groove of inverse u shape structure, this simple in construction, easy for installation, lighting source
In 3 grooves being positioned over collecting lens 2, convenient installation fixes lighting source 3, convenient adjustment collecting lens 2
The angle of optical axis.
Described collecting lens 2 utilizes fixed support to be fixed on base plate.In order to make collecting lens 2 more firm
Solid be fixed on base plate, described collecting lens 2 structure assembles block 21 bottom surface and is provided with locating dowel 23, fixing poly-
After locating dowel 23 being passed base plate during optical lens 2, it is fixed on after locating dowel 23 being dissolved by the mode of hot melt
On base plate, which simplifies production and assembly flow process.It is affected in order to the position preventing collecting lens 2 is wrongly installed
Normal use, two structures of each collecting lens 2 assemble module bottom and are respectively equipped with a locating dowel 23,
It is different that structure assembles module bottom locating dowel 23 diameter, structure assembles the locating dowel 23 bottom block 21 and arranges
Cheng Yigen diameter is big, a diameter is little, and the perforation that the base plate of fixing collecting lens 2 is corresponding is also configured to phase
The size answered, therefore, it is possible to prevent collecting lens 2 from installing reversely.The shape of described fixing post can be cylinder
Body, square body, triangulo column etc., the fixing any form that can play fixation of post all can apply to
In present embodiment.Production and processing for convenience, described structure assembles block 21 and becomes with effective minute surface 22 one
Type.
Refering to shown in Fig. 6, described lighting source 3 is adopting surface mounted LED, and its light emitting anger selects 80-120 °,
Using the adopting surface mounted LED of small-power light emitting anger 80-120 °, wavelength is unrestricted, can be the most visible single
Coloured light or white light, reduce the requirement to circuit design of dispelling the heat of LED, reduce power consumption.
In above-mentioned embodiment, by collecting lens 2, lighting source 3 and camera module 4 by described fixing
Holder combination forms an entirety, makes lighting source 3, collecting lens 2 and the camera module 4 can be firm
Fix, and be difficult to dislocation, shift, conveniently install, fix, save installation, operating time, be greatly improved
Work efficiency；Two groups of lighting sources 3 are added after collecting lens 2 combines and symmetrical to be placed on camera module 4 liang
Side, owing to the light of lighting source 3 is converged by collecting lens 2, forms upper and lower two in the plane of visual field
Block light filling illumination region.Due to the superposition of light, form the bright of strip in the center in illumination region
Hot spot, plays indicative function to a certain extent, guides user that reading bar code will be treated to move to most preferably and distinguishes
Position；By refraction and the optically focused effect of collecting lens 2, the light sending lighting source 3 converges
Poly-, to reach to change the light direction of propagation, improve the illuminance in the efficiency of light energy utilization and light filling illumination region
Purpose.
The foregoing is only the embodiment of the illumination module of this utility model bar code recognizing apparatus, not thereby limit
Make the scope of the claims of the present utility model, every equivalence utilizing this utility model description and accompanying drawing content to be made
Structure or equivalence flow process conversion, or directly or indirectly it is used in other relevant technical fields, the most in like manner include
In scope of patent protection of the present utility model.
Claims (10)
1. the illumination module of a bar code recognizing apparatus, it is characterised in that: include lighting source, collecting lens,
Camera module, fixed support and base plate；
Lighting source, collecting lens and camera module are fixed on base plate by described fixed support, described solid
Fixed rack includes carrying tablet, enclosing sheet and leg；Described carrying tablet be provided with camera module mouth, two gather
Optical lens mouth, described collecting lens is positioned in collecting lens mouth, and camera module is positioned in camera module mouth,
Described camera module mouth is located in the middle of two collecting lens mouths；Described enclosing sheet around described carrying tablet edge,
Enclosing sheet and carrying tablet enclose the fixing camera module of formation, collecting lens and the groove of lighting source；Described
Enclosing sheet bottom margin is provided with the leg of multiple fixing described fixed support；
Described collecting lens includes that two structures assemble block and effective minute surface, and described structure assembles block and is separated by one
Set a distance is arranged side by side, and effective minute surface is set up in two structures and assembles the top of block, makes structure assemble block and have
Effect minute surface forms an accommodation space；
Described lighting source is positioned in accommodation space, and the light of lighting source is shooting mould through collecting lens
The image recognition region light filling of group.
The illumination module of bar code recognizing apparatus the most according to claim 1, it is characterised in that: described poly-
The optical axis of optical lens is angled with the optical axis of lighting source, and the optical axis of camera module both sides collecting lens divides
Do not open to camera module both sides.
The illumination module of bar code recognizing apparatus the most according to claim 2, it is characterised in that: described photograph
Source, Mingguang City is adopting surface mounted LED, and light emitting anger is 80-120 °.
The illumination module of bar code recognizing apparatus the most according to claim 3, it is characterised in that: described poly-
Effective minute surface upper surface of optical lens is curved surface.
The illumination module of bar code recognizing apparatus the most according to claim 4, it is characterised in that have described in:
The two ends of effect minute surface is connected to two structures and assembles the top of block, and effective minute surface and structure assemble block even
The accommodation space of inverted U is formed after connecing.
The illumination module of bar code recognizing apparatus the most according to claim 5, it is characterised in that: described knot
Structure assembles block bottom surface and is provided with locating dowel.
The illumination module of bar code recognizing apparatus the most according to claim 6, it is characterised in that: described poly-
Two structures of optical lens assemble module bottom and are respectively equipped with a locating dowel, and structure assembles module bottom location
The diameter of post is different.
The illumination module of bar code recognizing apparatus the most according to claim 7, it is characterised in that: described knot
It is one-body molded with effective minute surface that structure assembles block.
The illumination module of bar code recognizing apparatus the most according to claim 1, it is characterised in that: described solid
The material of fixed rack is metal material, and there is layer oxide film on fixed support surface.
The illumination module of bar code recognizing apparatus the most according to claim 1, it is characterised in that: described
Camera module mouth edge is provided with a fool proof breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105521.8U CN205480509U (en) | 2016-02-02 | 2016-02-02 | Bar code reading equipment 's lighting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620105521.8U CN205480509U (en) | 2016-02-02 | 2016-02-02 | Bar code reading equipment 's lighting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205480509U true CN205480509U (en) | 2016-08-17 |
Family
ID=56673391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620105521.8U Expired - Fee Related CN205480509U (en) | 2016-02-02 | 2016-02-02 | Bar code reading equipment 's lighting module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205480509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737026A (en) * | 2016-02-02 | 2016-07-06 | 福建新大陆电脑股份有限公司 | Lighting module of barcode recognition equipment |
| CN110476011A (en) * | 2017-03-28 | 2019-11-19 | 恩普乐股份有限公司 | Luminous flux control member, light emitting device and the method for manufacturing light emitting device |
-
2016
- 2016-02-02 CN CN201620105521.8U patent/CN205480509U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737026A (en) * | 2016-02-02 | 2016-07-06 | 福建新大陆电脑股份有限公司 | Lighting module of barcode recognition equipment |
| CN105737026B (en) * | 2016-02-02 | 2018-07-17 | 福建新大陆电脑股份有限公司 | A kind of illumination module of bar code recognizing apparatus |
| CN110476011A (en) * | 2017-03-28 | 2019-11-19 | 恩普乐股份有限公司 | Luminous flux control member, light emitting device and the method for manufacturing light emitting device |
| US10754194B2 (en) | 2017-03-28 | 2020-08-25 | Enplas Corporation | Luminous flux control member, light-emitting device, and method for producing light-emitting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee after: NEWLAND DIGITAL TECHNOLOGY Co.,Ltd. Address before: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee before: Fujian Newland Computer Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20220202 |