CN206339997U - A kind of bar code reading engine with point of aim mark - Google Patents
A kind of bar code reading engine with point of aim mark Download PDFInfo
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- CN206339997U CN206339997U CN201621021629.5U CN201621021629U CN206339997U CN 206339997 U CN206339997 U CN 206339997U CN 201621021629 U CN201621021629 U CN 201621021629U CN 206339997 U CN206339997 U CN 206339997U
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- bar code
- code reading
- point
- aiming
- reading engine
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Abstract
A kind of bar code reading engine with point of aim mark described in the utility model, includes following component：Support, circuit board, image sensor chip, aiming light source, lighting source, wherein, aim at and finder lens is provided with immediately ahead of light source, the finder lens uses biconvex spherical mirror.It is easy using biconvex spherical mirror production process, it is possible to achieve to lighting source wick bar code surface imaging.Project the enlarged drawing of wick on bar code surface, it is possible to use this unique aiming effect, substitute aiming pattern common in the art, at the same can be used for judging aiming light source whether normal work, when a certain section of wick breaks down, can directly display.
Description
Technical field
The utility model is related to a kind of bar code reading engine, relates in particular to a kind of bar code reading with point of aim mark
Engine.
Background technology
Unit is aimed at as the critical elements of bar code reading engine, it is projeced into the pattern of body surface, used for guiding
Family sight device so that bar code is in the visual field scope of bar code reading engine.
In the prior art, common aiming pattern has cross, yi word pattern, ring-dot type.Yi word pattern construction is relatively easy, only
One simple convex lens of design are needed to can be achieved, the aiming of yi word pattern is only suitable for being applied to the one-dimensional bar of recognition yi word pattern
The scene of code, and easily it is superimposed interference with the illumination spot generation of rectangle.Cross aiming pattern needs relatively large lens,
If needing the process equipment of high-precision using laser light diffraction principle imaging, it is imaged using refraction principle, then needs individually meter
The slope in each region in lens is calculated, irregular lens are finally made, manufacture craft is relatively complicated.Ring-dot type lens, are generally adopted
Light-focusing type lens are used, it was in bright bright spot that can cause at bar code center, if when CMOS exposes, closing the time interval aimed at
It is too short, light pollution can be caused, the recognition of bar code is influenceed.
Utility model content
Therefore, technical problem to be solved in the utility model is that bar code reading module finder lens is set in the prior art
Meter, production process are complicated, aim at brightness irregularities.
In order to solve the above technical problems, used technical scheme of the present utility model：
A kind of bar code reading engine with point of aim mark, includes following component：
Support；
Circuit board, is arranged at the rear of the support；
Image sensor chip, is arranged on the circuit board, the imaging space phase of the centre with being arranged on the support
Contact, and alignd with the imaging len for being arranged on the support front portion；
Light source is aimed at, the circuit board is communicated to connect, and is accommodated in the support, is set immediately ahead of the aiming light source
There is finder lens, the finder lens is biconvex spherical mirror；
Lighting source, communicates to connect the circuit board, and be accommodated in the support.
The finder lens surface is coated with anti-reflection film.
The finder lens two-end thickness scope is 0.9-1 millimeters, and interior thickness is 1-1.5 millimeters, the finder lens
The range of curvature radius on surface is 5.9-6.2 millimeters.
The wave-length coverage for aiming at light source is 630~650 nanometers.
The wavelength of the lighting source is identical with the wavelength of the aiming light source.
The wavelength of the lighting source is different from the wavelength of the aiming light source.
The level angle of the aiming beam for aiming at light source is 3 °.
The circuit board is fixed by screws in the rear portion of the support.
The imaging len, aiming light source, lighting source are centrally located on same level straight line.
Above-mentioned technical proposal of the present utility model has advantages below compared with prior art:
1. a kind of bar code reading engine with point of aim mark described in the utility model, includes following component：Support, electricity
Road plate, image sensor chip, aiming light source, lighting source, wherein, to aim at and be provided with finder lens immediately ahead of light source, it is described
Finder lens uses biconvex spherical mirror.It is easy using biconvex spherical mirror production process, it is possible to achieve to lighting source wick in bar
The imaging in code table face.The enlarged drawing of wick is projected on bar code surface, it is possible to use this unique aiming effect, substitute existing
Have aiming pattern common in technology, at the same can be used for judging aiming at light source whether normal work, when a certain section of wick occurs
During failure, it can directly display.
2. a kind of bar code reading engine with point of aim mark described in the utility model, increasing is coated with finder lens surface
Permeable membrane, using the principle of interference of light, interferes the light that a front surface and a rear surface of film reflects, so that aiming pattern is shown
It is brighter, clear.
3. a kind of finder lens two-end thickness of bar code reading engine with point of aim mark described in the utility model and
Radius of curvature unit is millimeter, convenient processing and installation.
Brief description of the drawings
In order that content of the present utility model is more likely to be clearly understood, below according to specific implementation of the present utility model
Example and with reference to accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is a kind of a kind of schematic appearance of the bar code reading engine with point of aim mark of the utility model；
Fig. 2 is a kind of structural decomposition diagram of the bar code reading engine with point of aim mark of the utility model；
Fig. 3 is a kind of structural representation of the finder lens of the bar code reading engine with point of aim mark of the utility model.
Reference is expressed as in figure：1- supports；2- circuit boards；3- aims at light source；4- lighting sources；5- imaging lens；
31- finder lens.
Embodiment
A kind of bar code reading engine with point of aim mark, as Figure 1-3, includes following component：
Support 1；Using black ABS plastic.
Circuit board 2, is arranged at the rear of the support 1, is PCB, with soft printing data line interface.
Image sensor chip, is arranged on the circuit board 2, the imaging space phase of the centre with being arranged on the support
Contact, and alignd with the imaging len 5 for being arranged on the support front portion.For black and white or color cmos, with global electronic shutter,
Whole frame pixel can be exposed simultaneously.
Light source 3 is aimed at, the circuit board 2 is communicated to connect, and is accommodated in the support 1, immediately ahead of the aiming light source
Finder lens 31 is provided with, the finder lens 31 is biconvex spherical mirror.Using glass or transparent acrylic.
Lighting source 4, communicates to connect the circuit board 2, and be accommodated in the support 1., can using LED as light source
To be that visible ray can also be black light.
The surface of finder lens 31 is coated with anti-reflection film.
The two-end thickness scope of finder lens 31 is 0.9-1 millimeters, and interior thickness is 1-1.5 millimeters, described to aim at saturating
The range of curvature radius on the surface of mirror 31 is 5.9-6.2 millimeters.
The wave-length coverage for aiming at light source 3 is 630~650 nanometers.
The wavelength of the lighting source 4 is identical with the wavelength of the aiming light source 3.
The wavelength of the lighting source 4 is different from the wavelength of the aiming light source 3.
The level angle of the aiming beam for aiming at light source 3 is 3 °.
The circuit board 2 is fixed by screws in the rear portion of the support 1.
The imaging len 5, aiming light source 3, lighting source 4 are centrally located on same level straight line.
A kind of bar code reading engine with point of aim mark described in the utility model, includes following component：Support, circuit
Plate, image sensor chip, aiming light source, lighting source, wherein, to aim at and be provided with finder lens immediately ahead of light source, it is described to take aim at
Quasi- lens use biconvex spherical mirror.It is easy using biconvex spherical mirror production process, it is possible to achieve to lighting source wick in bar code
The imaging on surface.The enlarged drawing of wick is projected on bar code surface, it is possible to use this unique aiming effect, substitute existing
Common aiming pattern in technology, at the same can be used for judging aiming at light source whether normal work, occur when a certain section of wick therefore
During barrier, it can directly display.Anti-reflection film is coated with finder lens surface, using the principle of interference of light, makes the preceding surface of film with after
The light of surface reflection is interfered, so that aiming pattern shows brighter, clear.Finder lens two-end thickness and radius of curvature
Unit is millimeter, convenient processing and installation.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.
For those of ordinary skill in the field, other various forms of changes can also be made on the basis of the above description
Or change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out
Or among variation is still in the protection domain of the utility model creation.
Claims (9)
1. a kind of bar code reading engine with point of aim mark, it is characterised in that include following component：
Support；
Circuit board, is arranged at the rear of the support；
Image sensor chip, is arranged on the circuit board, is in contact with being arranged on the imaging space of centre of the support,
And the imaging len anterior with being arranged on the support aligns；
Light source is aimed at, the circuit board is communicated to connect, and is accommodated in the support, is provided with and takes aim at immediately ahead of the aiming light source
Quasi- lens, the finder lens is biconvex spherical mirror；
Lighting source, communicates to connect the circuit board, and be accommodated in the support.
2. a kind of bar code reading engine with point of aim mark according to claim 1, it is characterised in that the aiming is saturating
Mirror surface is coated with anti-reflection film.
3. a kind of bar code reading engine with point of aim mark according to claim 2, it is characterised in that the aiming is saturating
Mirror two-end thickness scope is 0.9-1 millimeters, and interior thickness is 1-1.5 millimeters, the range of curvature radius on the finder lens surface
For 5.9-6.2 millimeters.
4. a kind of bar code reading engine with point of aim mark according to claim 3, it is characterised in that the aiming light
The wave-length coverage in source is 630~650 nanometers.
5. a kind of bar code reading engine with point of aim mark according to claim 4, it is characterised in that the illumination light
The wavelength in source is identical with the wavelength of the aiming light source.
6. a kind of bar code reading engine with point of aim mark according to claim 4, it is characterised in that the illumination light
The wavelength in source is different from the wavelength of the aiming light source.
7. a kind of bar code reading engine with point of aim mark according to claim 6, it is characterised in that the aiming light
The level angle of the aiming beam in source is 3 °.
8. a kind of bar code reading engine with point of aim mark according to claim 7, it is characterised in that the circuit
Plate is fixed by screws in the rear portion of the support.
9. a kind of bar code reading engine with point of aim mark according to claim 7, it is characterised in that the imaging is saturating
Mirror, aiming light source, lighting source are centrally located on same level straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021629.5U CN206339997U (en) | 2016-08-31 | 2016-08-31 | A kind of bar code reading engine with point of aim mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621021629.5U CN206339997U (en) | 2016-08-31 | 2016-08-31 | A kind of bar code reading engine with point of aim mark |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206339997U true CN206339997U (en) | 2017-07-18 |
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ID=59298653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621021629.5U Active CN206339997U (en) | 2016-08-31 | 2016-08-31 | A kind of bar code reading engine with point of aim mark |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019014862A1 (en) * | 2017-07-19 | 2019-01-24 | Hand Held Products, Inc. | Coaxial aimer for imaging scanner |
| CN109815767A (en) * | 2019-01-30 | 2019-05-28 | 福州符号信息科技有限公司 | A kind of bar code reading module with double circuit board |
| CN110032908A (en) * | 2019-04-23 | 2019-07-19 | 福州符号信息科技有限公司 | A kind of bar code processing circuit that supporting various communications protocols and bar code reading module |
| CN112041846A (en) * | 2018-03-22 | 2020-12-04 | 讯宝科技有限责任公司 | Aiming light patterns for use with barcode readers and associated device systems and methods |
-
2016
- 2016-08-31 CN CN201621021629.5U patent/CN206339997U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019014862A1 (en) * | 2017-07-19 | 2019-01-24 | Hand Held Products, Inc. | Coaxial aimer for imaging scanner |
| US11093723B2 (en) | 2017-07-19 | 2021-08-17 | Hand Held Products, Inc. | Coaxial aimer for imaging scanner |
| CN112041846A (en) * | 2018-03-22 | 2020-12-04 | 讯宝科技有限责任公司 | Aiming light patterns for use with barcode readers and associated device systems and methods |
| CN112041846B (en) * | 2018-03-22 | 2021-07-30 | 讯宝科技有限责任公司 | Aiming light patterns for use with barcode readers and associated device systems and methods |
| CN109815767A (en) * | 2019-01-30 | 2019-05-28 | 福州符号信息科技有限公司 | A kind of bar code reading module with double circuit board |
| CN110032908A (en) * | 2019-04-23 | 2019-07-19 | 福州符号信息科技有限公司 | A kind of bar code processing circuit that supporting various communications protocols and bar code reading module |
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