CN204989608U - Two -dimensional barcode reading device - Google Patents
Two -dimensional barcode reading device Download PDFInfo
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- CN204989608U CN204989608U CN201520791611.2U CN201520791611U CN204989608U CN 204989608 U CN204989608 U CN 204989608U CN 201520791611 U CN201520791611 U CN 201520791611U CN 204989608 U CN204989608 U CN 204989608U
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- dimensional barcode
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Abstract
The utility model relates to a two -dimensional barcode reading device, including first casing, can change the camera lens focus optical lens zooms, the two sets of laser lighting components conciliate the code character pieces, the subassembly of decoding includes CCD image sensor and the circuit module that decodes who is connected with this CCD image sensor electricity, zooming optical lens, the two sets of laser lighting components and CCD image sensor and setting up respectively in first casing, wherein zoom the preceding middle part that optical lens is located first casing, two sets of laser lighting components are located top and the below that zooms optical lens respectively, and CCD image sensor is located the rear that zooms optical lens and fixes at first casing, and this CCD image sensor's photosurface faces the light -emitting window that zooms optical lens. The utility model discloses two -dimensional barcode reading device can read remote two -dimensional barcode, also can read two -dimensional barcode closely.
Description
[
technical field]
The utility model relates to the device of read-out recording carrier, particularly relates to two-dimensional barcode reader, particularly relates to the two-dimensional barcode reader simultaneously reading far and near distance bar code.
[
background technology]
At present, two-dimensional bar code obtains to be applied more and more widely, and particularly in the field such as retailing and logistics, two-dimensional bar code has become the proof of identification of certain or certain part article.The use of two-dimensional bar code be unable to do without reads, and manually reads not only that efficiency is low, and also easily make mistakes, such two-dimensional barcode reader is just arisen at the historic moment.
The camera lens of prior art two-dimensional barcode reader is fixed focal length, camera lens cannot zoom, there is following defect in this design, require high to image-forming range, some energy read remote two-dimensional bar code but cannot read in-plant two-dimensional bar code, and some energy read in-plant two-dimensional bar code but cannot read remote two-dimensional bar code.
[
utility model content]
The technical problems to be solved in the utility model is avoid above-mentioned the deficiencies in the prior art part and provide a kind of two-dimensional barcode reader, can read remote two-dimensional bar code, also can read in-plant two-dimensional bar code.
The technical scheme that the utility model solve the technical problem employing is:
A kind of two-dimensional barcode reader is provided, comprises the first housing, the focal optical lens of lens focus, two cover laser lighting assembly and decode component can be changed; The decoding circuit module that described decode component comprises ccd image sensor and is electrically connected with this ccd image sensor; Described focal optical lens, two cover laser lighting assemblies and ccd image sensor are separately positioned in described first housing, wherein said focal optical lens is positioned at the front middle part of described first housing, and two cover laser lighting assemblies lay respectively at above and below described focal optical lens; Described ccd image sensor is positioned at the rear of described focal optical lens and is fixed on described first housing, and the light-sensitive surface of this ccd image sensor faces the light-emitting window of described focal optical lens.CCD is the abbreviation of English chargecoupleddeice, and Chinese is meant to " charge-coupled image sensor ".
Described focal optical lens comprises the first group of lens be successively set on from front to back in described first housing, second group of lens that can change lens focus and the three lens cluster that image is precisely focused; Described first group of lens are fixed on the front middle part of described first housing, from described ccd image sensor farthest, the first non-spherical lens that these first group of lens comprises the first convex lens and glue together with these first convex lens, wherein said first convex lens are in thing side, and described first non-spherical lens is in image side; The second concave spherical surface lens that described second group of lens comprise the second convex lens and glue together with these second convex lens, wherein said second convex lens are in thing side, and described second concave spherical surface lens are in image side; Described three lens cluster is a non-spherical lens, and this three lens cluster is nearest from described ccd image sensor.
The first convex lens radius of a ball of described first group of lens is 185 ~ 205 millimeters, and such as the first convex lens radius of a ball is 195 millimeters.
The sphere of described first convex lens and the distance of described ccd image sensor are 37 ~ 41 millimeters, and the such as sphere of described first convex lens and the distance of described ccd image sensor are 39 millimeters.
Described focal optical lens also comprises makes described second group of lens elastic thus the second motor-driven mechanism changing lens focus, and makes described three lens cluster elastic thus the first motor-driven mechanism that image is precisely focused.
The field angle variation range of described focal optical lens is 8 ° ~ 23.5 °.
Described laser lighting assembly comprises the second housing, and is successively set on the first lens, the second lens and the laser diode in this second housing from front to back.
Described first lens are zigzag transparent optical lens; Described second lens are concavees lens, its concave surface facing described laser diode.
The jaggy pitch of described zigzag transparent optical lens is 0.3 millimeter, and sawtooth angle is 30 °.
The distance of described second lens and laser diode is 2.2 ~ 4.2 millimeters, and such as the distance of described second lens and laser diode is 3.2 millimeters; The distance of described first lens and described second lens is 0.3 ~ 0.7 millimeter, and such as the distance of described first lens and described second lens is 0.5 millimeter.
Compared with the existing technology comparatively, the beneficial effect of the utility model two-dimensional barcode reader and spectacles leg component thereof is:
One, owing to adopting the focal optical lens that can change lens focus in two-dimensional barcode reader, the similar zoom lens as digital camera, make the utility model two-dimensional barcode reader can read remote two-dimensional bar code, also can read in-plant two-dimensional bar code;
Two, focal optical lens adopts special construction, the three lens cluster comprising first group of lens, can change second group of lens of lens focus and image is precisely focused; The first non-spherical lens that first group of lens comprises again the first convex lens and glue together with these first convex lens; The second concave spherical surface lens that second group of lens comprises again the second convex lens and glue together with these second convex lens; Three lens cluster is a non-spherical lens; The focal optical lens of this structure makes the reading distance range of the utility model two-dimensional barcode reader broad, reads distance and can reach 10 centimetres to 3 meters;
Three, the utility model focal optical lens also comprises and makes second group of lens elastic thus the second motor-driven mechanism changing lens focus, and makes three lens cluster elastic thus the first motor-driven mechanism that image is precisely focused; Adopt this structure automatically can regulate focal optical lens, make the reading two-dimensional bar code of the utility model two-dimensional barcode reader very convenient;
Four, the utility model two-dimensional barcode reader adopts two cover laser lighting assemblies, and laser lighting assembly adopts special construction, and use laser diode to shine out after the second lens and the first lens, define the laser lighting of high strength, solve the problem of long distance illumination when two-dimensional barcode reader reads, but also the intensity of laser lighting can be carried out height adjustment by control circuit.
[
accompanying drawing explanation]
Fig. 1 is the orthogonal projection cross-sectional schematic of the parts thereof relation of the utility model two-dimensional barcode reader;
Fig. 2 is the orthogonal projection cross-sectional schematic of the focal optical lens 200 of described two-dimensional barcode reader;
Fig. 3 is the orthogonal projection cross-sectional schematic of the laser lighting assembly 300 of described two-dimensional barcode reader.
[embodiment]
Below in conjunction with each accompanying drawing, the utility model is described in further detail.
See Fig. 1, the utility model relates to a kind of two-dimensional barcode reader, comprises the first housing 100, can change the focal optical lens 200, two of lens focus cover laser lighting assembly 300 and decode component 400; The decoding circuit module 420 that described decode component 400 comprises ccd image sensor 410 and is electrically connected with this ccd image sensor 410; Described focal optical lens 200, two overlaps laser lighting assembly 300 and ccd image sensor 410 is separately positioned in described first housing 100, wherein said focal optical lens 100 is positioned at the front middle part of described first housing 100, and two cover laser lighting assemblies 200 lay respectively at above and below described focal optical lens 100; Described ccd image sensor 410 is positioned at the rear of described focal optical lens 100 and is fixed on described first housing 100, and the light-sensitive surface of this ccd image sensor 410 faces the light-emitting window of described focal optical lens 100.Do not draw other parts of two-dimensional barcode reader in FIG, as the shell and control circuit etc. of two-dimensional barcode reader, they are all prior aries, do not repeat them here.CCD is the abbreviation of English chargecoupleddeice, and Chinese is meant to " charge-coupled image sensor ".
See Fig. 1 and Fig. 2, described focal optical lens 200 comprises the first group of lens 210 be successively set on from front to back in described first housing 100, second group of lens 220 that can change lens focus and the three lens cluster 230 that image is precisely focused; Described first group of lens 210 are fixed on the front middle part of described first housing 100, from described ccd image sensor 410 farthest, the first non-spherical lens 212 that these first group of lens 210 comprises the first convex lens 211 and glue together with these first convex lens 211, wherein said first convex lens 211 are in thing side, and described first non-spherical lens 212 is in image side; The second concave spherical surface lens 222 that described second group of lens 220 comprise the second convex lens 221 and glue together with these second convex lens 221, wherein said second convex lens 221 are in thing side, and described second concave spherical surface lens 222 are in image side; Described three lens cluster 230 is a non-spherical lens, and this three lens cluster 230 is nearest from described ccd image sensor 410.Thing side of the present utility model refers to that focal optical lens 200 reads object that orientation as two-dimensional bar code, alternatively deviates from ccd image sensor 410; And image side refers to that orientation of imaging, alternatively towards or near ccd image sensor 410.
See Fig. 1 and Fig. 2, first convex lens 211 radius of a ball of described first group of lens 210 is 185 ~ 205 millimeters, and such as first convex lens 211 radius of a ball is 195 millimeters.
See Fig. 1 and Fig. 2, the described sphere of the first convex lens 211 and the distance of described ccd image sensor 410 are 37 ~ 41 millimeters, and such as the described sphere of the first convex lens 211 and the distance of described ccd image sensor 410 are 39 millimeters.
See Fig. 2, described focal optical lens 200 also comprises makes described second group of lens 220 elastic thus the second motor-driven mechanism 240 changing lens focus, and makes described three lens cluster 230 elastic thus the first motor-driven mechanism 250 that image is precisely focused.
The field angle variation range of described focal optical lens 200 is 8 ° ~ 23.5 °.Described focal optical lens 200 gamut can also correct aberration, and distortion is less than 1%.The mtf value field of view edge of described focal optical lens 200 is not less than 0.4, and field of view center is not less than the abbreviation that 0.7, MTF is English ModularTransferFunction, and Chinese is meant to " modulation transfer function ".
See Fig. 1 and Fig. 3, described laser lighting assembly 300 comprises the second housing 310, and is successively set on the first lens 320, second lens 330 and laser diode 340 in this second housing 310 from front to back.
See Fig. 1 and Fig. 3, described first lens 320 are zigzag transparent optical lens; Described second lens 330 are concavees lens, and its concave surface 335 is towards described laser diode 340.
See Fig. 1 and Fig. 3, the jaggy pitch of described zigzag transparent optical lens is 0.3 millimeter, and sawtooth angle is 30 °.
See Fig. 1 and Fig. 3, described second lens 330 are 2.2 ~ 4.2 millimeters with the distance of laser diode 340, and such as described second lens 330 are 3.2 millimeters with the distance of laser diode 340; Described first lens 320 are 0.3 ~ 0.7 millimeter with the distance of described second lens 330, and such as described first lens 320 are 0.5 millimeter with the distance of described second lens 330.
The above embodiment only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model; Therefore, all equivalents of doing with the utility model right and modification, all should belong to the covering scope of the utility model claim.
Claims (10)
1. a two-dimensional barcode reader, is characterized in that:
Comprise the first housing (100), the focal optical lens (200) of lens focus can be changed, two covers laser lighting assembly (300) and decode component (400); The decoding circuit module (420) that described decode component (400) comprises ccd image sensor (410) and is electrically connected with this ccd image sensor (410); Described focal optical lens (200), two covers laser lighting assembly (300) and ccd image sensor (410) are separately positioned in described first housing (100), wherein said focal optical lens (100) is positioned at the front middle part of described first housing (100), and two covers laser lighting assembly (200) lay respectively at above and below described focal optical lens (100); Described ccd image sensor (410) is positioned at the rear of described focal optical lens (100) and is fixed on described first housing (100), and the light-sensitive surface of this ccd image sensor (410) faces the light-emitting window of described focal optical lens (100).
2. two-dimensional barcode reader according to claim 1, is characterized in that:
Described focal optical lens (200) comprises the first group of lens (210) be successively set on from front to back in described first housing (100), second group of lens (220) that can change lens focus and the three lens cluster (230) that image is precisely focused; Described first group of lens (210) is fixed on the front middle part of described first housing (100), from described ccd image sensor (410) farthest, the first non-spherical lens (212) that this first group of lens (210) comprises the first convex lens (211) and glue together with these first convex lens (211), wherein said first convex lens (211) are in thing side, and described first non-spherical lens (212) is in image side; The second concave spherical surface lens (222) that described second group of lens (220) comprises the second convex lens (221) and glue together with these second convex lens (221), wherein said second convex lens (221) are in thing side, and described second concave spherical surface lens (222) are in image side; Described three lens cluster (230) is a non-spherical lens, and this three lens cluster (230) is nearest from described ccd image sensor (410).
3. two-dimensional barcode reader according to claim 2, is characterized in that:
First convex lens (211) radius of a ball of described first group of lens (210) is 185 ~ 205 millimeters.
4. two-dimensional barcode reader according to claim 2, is characterized in that:
The sphere of described first convex lens (211) and the distance of described ccd image sensor (410) are 37 ~ 41 millimeters.
5. two-dimensional barcode reader according to claim 2, is characterized in that:
Described focal optical lens (200) also comprises makes described second group of lens (220) elastic thus the second motor-driven mechanism (240) changing lens focus, and makes described three lens cluster (230) elastic thus the first motor-driven mechanism (250) that image is precisely focused.
6. two-dimensional barcode reader according to claim 1, is characterized in that:
The field angle variation range of described focal optical lens (200) is 8 ° ~ 23.5 °.
7. the two-dimensional barcode reader according to any one of claim 1 to 6, is characterized in that:
Described laser lighting assembly (300) comprises the second housing (310), and is successively set on the first lens (320), the second lens (330) and the laser diode (340) in this second housing (310) from front to back.
8. two-dimensional barcode reader according to claim 7, is characterized in that:
Described first lens (320) are zigzag transparent optical lens; Described second lens (330) are concavees lens, and its concave surface (335) is towards described laser diode (340).
9. two-dimensional barcode reader according to claim 8, is characterized in that:
The jaggy pitch of described zigzag transparent optical lens is 0.3 millimeter, and sawtooth angle is 30 °.
10. two-dimensional barcode reader according to claim 8, is characterized in that:
Described second lens (330) are 2.2 ~ 4.2 millimeters with the distance of laser diode (340); Described first lens (320) are 0.3 ~ 0.7 millimeter with the distance of described second lens (330).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520791611.2U CN204989608U (en) | 2015-10-14 | 2015-10-14 | Two -dimensional barcode reading device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520791611.2U CN204989608U (en) | 2015-10-14 | 2015-10-14 | Two -dimensional barcode reading device |
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| CN204989608U true CN204989608U (en) | 2016-01-20 |
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| CN201520791611.2U Active CN204989608U (en) | 2015-10-14 | 2015-10-14 | Two -dimensional barcode reading device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557639A (en) * | 2017-09-27 | 2019-04-02 | 康耐视公司 | Adaptable visual angle and the optical system of operating distance and production and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557639A (en) * | 2017-09-27 | 2019-04-02 | 康耐视公司 | Adaptable visual angle and the optical system of operating distance and production and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent type two-dimension bar-code reading device Effective date of registration: 20180829 Granted publication date: 20160120 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: WUXI IDATA TECHNOLOGY COMPANY LTD. Registration number: 2018990000764 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220208 Granted publication date: 20160120 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI IDATA TECHNOLOGY Co.,Ltd. Registration number: 2018990000764 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |