CN109740392A - Scanning means and its scanning engine - Google Patents
Scanning means and its scanning engine Download PDFInfo
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- CN109740392A CN109740392A CN201811465950.6A CN201811465950A CN109740392A CN 109740392 A CN109740392 A CN 109740392A CN 201811465950 A CN201811465950 A CN 201811465950A CN 109740392 A CN109740392 A CN 109740392A
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- 238000003384 imaging method Methods 0.000 claims abstract description 5
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000009738 saturating Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920005439 Perspex® Polymers 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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Abstract
The present invention provides a kind of scanning means and its scanning engine, and the scanning engine includes: an image acquisition units, including a mutually matched lens module and an imaging sensor, to acquire bar code image；One sighting system, aiming to reading bar code, including a laser aiming unit and a LED aim at unit；Wherein: the sighting system is had the first operating mode aimed at using laser aiming unit and aims at the second operating mode that unit aims at using LED, so that the scanning engine can be suitable for a variety of different application scenarios such as industrial scene and consumption scene simultaneously, convenience is improved.
Description
Technical field
The present invention relates to a kind of scanning means and its scanning engine, espespecially a kind of scanning means with a variety of aiming modes
And its scanning engine.
Background technique
A kind of existing bar code reader includes the bar code reading module of a shell and setting in the housing.Bar code
Recognition module is that the core component in bar code reader generallys use different aiming modes according to different application scenarios.
It such as in industrial application scene, in order to reach preferable pointing accuracy, and then improves efficiency, frequently with laser aiming, and is disappearing
Take in application scenarios, to prevent laser to hurt eye, is aimed at frequently with LED.
However, the application scenarios with bar code reader become increasingly complex, bar code reader needs to be applied to a variety of applications
Scene, such as in new public safety, bar code reader needs while being suitable for the industrial scene of freight house and the consumption scene of lobby.
If being equipped with two bar code readers with different aiming modes to user, not only inconvenient to carry and use, Er Qie great
Cost is increased greatly.
The present invention is in view of the above problems, provide a kind of new scanning means and its scanning engine, using new method and skill
Art means are to solve these problems.
Summary of the invention
For background technique problem encountered, what the present invention created be designed to provide a kind of scanning means and its scanning
Engine, is integrated with laser aiming unit on the scanning engine simultaneously and LED aims at unit, and the sighting system has using swashing
Light aims at the first operating mode that unit aims at and aims at the second operating mode that unit aims at, the scanning engine using LED
It is not only small in size, but also a variety of different application scenarios such as industrial scene and consumption scene can be suitable for simultaneously.
To achieve the above object, invention uses following technological means:
The present invention provides a kind of scanning engine characterized by comprising
One image acquisition units, including a mutually matched lens module and an imaging sensor, to acquire bar code figure
Picture；
One sighting system, aiming to reading bar code, including a laser aiming unit and a LED aim at unit；Wherein:
The sighting system, which is had the first operating mode aimed at using laser aiming unit and aims at unit using LED, to be taken aim at
The second quasi- operating mode.
Optionally, the laser aiming unit includes a laser emitter and one spreading out in front of the laser emitter
Optical element is penetrated, the laser aiming unit selects bar code to generate the aiming pattern of rectangle with frame.
Optionally, it includes a LED light and one first convex lens in front of the LED light, institute that the LED, which aims at unit,
It states light of first convex lens to issue the LED light and pools circular aiming hot spot to position bar code.
Optionally, the front end of the scanning engine has a front housing, and the front housing corresponds to be set at the laser aiming unit
There is a high saturating window, the LED aims at unit, and there is one first convex lens to be set to the front housing.
Optionally, the dead astern that there is an accepting hole to be located at the high window thoroughly for the rear end of the front housing, the laser are taken aim at
There is quasi- unit a diffraction optical element to be contained in the accepting hole and be revealed in the saturating window of height forward.
Optionally, a dispensing hole is set to the front housing and is connected with the accepting hole, to the fixed diffraction of dispensing
Optical element.
Optionally, multiple light compensating lamps are set to around the lens module, and the front housing corresponds to be set at multiple light compensating lamps
There are multiple second convex lenses, second convex lens is to restrain the light of multiple light compensating lamps sendings to reach preferable photograph
Lightness.
Optionally, first convex lens, second convex lens and the high window thoroughly take shape in the front housing, institute
It states on front housing in addition to first convex lens of opticator, second convex lens and the high saturating window are transparent setting,
Remaining non-optic portion is in cloudy surface setting.
Optionally, an infrared transmitter and an infrared remote receiver are disposed adjacent with the lens module, with induction strip code bit
It sets and triggers the scanning engine scanning, the spacing between the infrared transmitter and the infrared remote receiver is less than the laser
Aim at the spacing between unit and LED aiming unit.
The present invention provides a kind of scanning means, has scanning engine as described in any one of claim 1 to 9, described to sweep
Imaging apparatus also has a shell and is contained in a master control of the shell, and the master control is to control the scanning engine first
It is switched between operating mode and the second operating mode.
Compared with prior art, the invention has the following advantages:
It is integrated with laser aiming unit simultaneously on the scanning engine and LED aims at unit, occupies little space, can be adapted to
Different scanning means；The sighting system is had the first operating mode aimed at using laser aiming unit and is taken aim at using LED
The second operating mode that quasi- unit aims at, so that the scanning engine can be a variety of suitable for industrial scene and consumption scene etc. simultaneously
Different application scenarios improve convenience.
Detailed description of the invention
Fig. 1 is the perspective view of scanning means of the present invention；
Fig. 2 is the perspective view of scanning engine of the present invention；
Fig. 3 is the partially exploded diagram of Fig. 2；
Fig. 4 is the schematic diagram of the mainboard of scanning means of the present invention.
Drawing reference numeral explanation:
Scanning means 100；Shell 11；Scanning window 12；Mainboard 13；Display screen 14；Master control 15；Scanning engine 200；Back plate
2；Rear shell 3；Foreboard 4；Front housing 5；First convex lens 51；High window 52 thoroughly；Accepting hole 53；Dispensing hole 54；Second convex lens 55；Before
End face 56；Image acquisition units 6；Imaging sensor 61；Lens module 62；Sighting system 7；LED aims at unit 71；LED light 72；
Laser aiming unit 73；Laser emitter 74；Diffraction optical element 75；Light compensating lamp 8；Infrared transmitter 91；Infrared remote receiver 92.
Specific embodiment
Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation
The invention will be further described for mode.
As Figure 1 and Figure 4, scanning means 100 of the present invention is a kind of radio scan equipment (PDA).The scanning means
100 are set to the master with a shell 11 and a mainboard 13 for being contained in the shell 11 and a scanning engine 200
On plate 13, a display screen 14 is embedded at the shell 11 to show bar code information.
The shell 11 has the scanning window 12 covered by perspex sheet material, and the scanning engine 200 appears
In the scanning window 12, to scan bar code via the scanning window 12, the mainboard 13 is to control the scanning engine
200 scanning bar codes.
As shown in Figure 2, Figure 3, Figure 4,200 overall structure of scanning engine successively has a back plate 2, one from back to front
3, foreboards 4 of a rear shell and a front housing 5, the scanning engine 200 further include an image acquisition units 6, one aimings
System 7,8, infrared transmitters 91 of multiple light compensating lamps and an infrared remote receiver 92.
Described image acquisition unit 6 includes that a described image sensor 61 is installed on the back plate 2, described image acquisition
Unit 6 also there is a lens module 62 matched with described image sensor 61 to acquire bar code image, the lens module
62 sequentially pass through the rear shell 3, the foreboard 4 and the front housing 5 forward.
Referring once again to shown in Fig. 3 and Fig. 4, the sighting system 7 is equally installed on the back plate 2, the sighting system 7
A LED including being located at 62 left side of lens module aims at unit 71, and one positioned at 62 right side of lens module
Laser aiming unit 73.
The LED aims at one of unit 71 including a LED light 72 and at the 72 front suitable position of LED light
First convex lens 51, the LED light 72 are installed on the back plate 2 and are contained in the rear shell 3, corresponding position on the foreboard 4
Appear forward equipped with circular hole for the LED light 72, first convex lens 51 is shaped in the front housing 5, convenient for assembling, institute
It states light of first convex lens 51 to issue the LED light 72 and pools circular aiming hot spot to position bar code, it is described
First convex lens 51 is recessed in the front end face 56 of the front housing 5, influences light to prevent first convex lens 51 to be scraped off
Learn performance.In other embodiments, first convex lens 51 can be with the split type molding of the front housing 5 later by first convex lens
Mirror 51 is installed on the corresponding position on the front housing 5.
The laser aiming unit 73 includes that a laser emitter 74 is contained in the rear shell 3, and is set to the laser
One of 74 front of transmitter is in the diffraction optical element 75 of rectangle.It is set at the corresponding laser aiming unit 73 of the front housing 5
There is the saturating window 52 of a height, the rear end of the front housing 5 is equipped with the dead astern that an accepting hole 53 is located at the high window 52 thoroughly, institute
The size for stating accepting hole 53 is greater than the size of the high window 52 thoroughly, in the left and right sides of the accepting hole 53 on the front housing 5
Be respectively provided with a dispensing hole 54 and be connected to the accepting hole 53, the diffraction optical element 75 be contained in the accepting hole 53 and
It is revealed in the high window 52 thoroughly forward, two dispensing holes 54 are described to the fixed diffraction optical element 75 of dispensing
The laser that laser emitter 74 issues selects bar code via the aiming pattern that the diffraction optical element 75 generates rectangle with frame.It is described
High window 52 thoroughly is integrally formed and closed-loop layout is in the front housing 5, to prevent the diffraction optical element 75 to be scraped off and shadow
Ring optical property.
The light compensating lamp 8 is respectively provided on four angles of the foreboard 4, the light compensating lamp 8 is adopting surface mounted LED, described
The position of corresponding four light compensating lamps 8 is respectively provided with second convex lens 55 on four angles of front housing 5, by the light compensating lamp
8 divergence of beam issued are opened.
The front housing 5 is injection moulded by mold is (not shown), except the high window 52, described first thoroughly on the front housing 5
For outside transparent setting, remaining non-optic portion is in cloudy surface setting at convex lens 51 and four second convex lenses 55, so that
First convex lens 51 and second convex lens 55 have preferable light transmittance, while convenient for the position of identification optical element
It sets.
Please continue to refer to shown in Fig. 3 and Fig. 4, the infrared transmitter 91 and the infrared remote receiver 92 are set to the foreboard
Longitudinal axis on 4 positioned at the top of the lens module 62 and about the lens module 62 is symmetrical, to incude the position of bar code
It sets and triggers the scanning engine 200 and scan bar code, the spacing between the infrared transmitter 91 and the infrared remote receiver 92
The spacing between unit 71 and the laser aiming unit 73 is aimed at less than the LED, it is more to be integrated on the foreboard 4
Element, while also ensuring that described state has lesser spacing between infrared transmitter 91 and the infrared remote receiver 92, to reach
To the effect for being more accurately positioned bar code.
Scanning means 100 of the invention is had the first operating mode aimed at using laser aiming unit 73 and uses LED
The second operating mode that unit 71 aims at is aimed at, as user as the staff being newly sold needs to switch between lobby and freight house
When aiming mode, input instruction (scan pattern switches bar code or presses mode switch button etc.) to the master on mainboard 13 can be passed through
Control 15, master control 15 can control the scanning engine 200 via soft arranging wire and be switched to LED aiming by the aiming of laser aiming unit 73
Unit 71 is aimed to adapt to the consumption scene of lobby, or is switched to laser aiming unit 73 by the LED aiming aiming of unit 71 and is aimed at
It is easy to use to adapt to the industrial scene of freight house, and cost is very low.
Scanning means 100 in the present embodiment is radio scan equipment (PDA), in other embodiments (not shown), scanning
Device 100 can also be the scanning means 100 such as scanner and industrial stationary scanner.
Scanning means and its scanning engine of the invention has the advantages that
1, it is integrated with laser aiming unit 73 simultaneously on the scanning engine 200 and LED aims at unit 71, occupied space
It is small, it can be adapted to different scanning means 100, expand the application range of the scanning engine 200；The sighting system 7, which has, adopts
The first operating mode aimed at laser aiming unit 73 and the second operating mode aimed at using LED aiming unit 71, so that
The scanning engine 200 can be suitable for a variety of different application scenarios such as industrial scene and consumption scene simultaneously, improve convenience.
Detailed description above is only the explanation of the preferred embodiments of the invention, the scope of the patents that is non-therefore limiting to the present invention,
So all, with this creation specification and diagramatic content institute, equivalence techniques change for it, are both contained in the scope of the patents of this creation
It is interior.
Claims (10)
1. a kind of scanning engine characterized by comprising
One image acquisition units, to acquire bar code image, including a mutually matched lens module and an imaging sensor；
One sighting system, aiming to reading bar code, including a laser aiming unit and a LED aim at unit；Wherein:
The sighting system is had the first operating mode aimed at using laser aiming unit and aims at what unit aimed at using LED
Second operating mode.
2. scanning engine as described in claim 1, it is characterised in that: the laser aiming unit include a laser emitter and
A diffraction optical element in front of the laser emitter, aiming pattern of the laser aiming unit to generate rectangle
Bar code is selected with frame.
3. scanning engine as described in claim 1, it is characterised in that: the LED aims at unit including a LED light and is set to institute
State one first convex lens in front of LED light, first convex lens pools circular to the light that issues the LED light
Hot spot is aimed to position bar code.
4. scanning engine as described in claim 1, it is characterised in that: the front end of the scanning engine has a front housing, described
Front housing, which corresponds to, is equipped with a high saturating window at the laser aiming unit, the LED aims at unit, and there is one first convex lens to be set to
The front housing.
5. scanning engine as claimed in claim 4, it is characterised in that: it is described that there is an accepting hole to be located at for the rear end of the front housing
There is a diffraction optical element to be contained in the accepting hole and appear forward for the dead astern of high window thoroughly, the laser aiming unit
In the saturating window of height.
6. scanning engine as claimed in claim 5, it is characterised in that: a dispensing hole be set to the front housing and with the accepting hole
It is connected, to the fixed diffraction optical element of dispensing.
7. scanning engine as claimed in claim 4, it is characterised in that: multiple light compensating lamps are set to around the lens module, institute
It states front housing to correspond to equipped with multiple second convex lenses at multiple light compensating lamps, second convex lens is to restrain the light compensating lamp
The light of sending is to reach preferable illuminance.
8. scanning engine as claimed in claim 7, it is characterised in that: first convex lens, second convex lens and institute
It states high window thoroughly to take shape on the front housing, except first convex lens of opticator, described second convex on the front housing
Lens and the high window thoroughly are outside transparent setting, remaining non-optic portion is in cloudy surface setting.
9. scanning engine as described in claim 1, it is characterised in that: an infrared transmitter and an infrared remote receiver and the mirror
Head mould group is disposed adjacent, to incude barcode position and trigger scanning engine scanning, the infrared transmitter with it is described infrared
Spacing between receiver is less than the spacing between the laser aiming unit and LED aiming unit.
10. a kind of scanning means, has scanning engine as described in any one of claim 1 to 9, the scanning means also has
One shell and the master control for being contained in the shell, the master control is to control the scanning engine in the first operating mode and the
It is switched between two operating modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811465950.6A CN109740392A (en) | 2018-12-03 | 2018-12-03 | Scanning means and its scanning engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811465950.6A CN109740392A (en) | 2018-12-03 | 2018-12-03 | Scanning means and its scanning engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109740392A true CN109740392A (en) | 2019-05-10 |
Family
ID=66358403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811465950.6A Pending CN109740392A (en) | 2018-12-03 | 2018-12-03 | Scanning means and its scanning engine |
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| Country | Link |
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| CN (1) | CN109740392A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677595A (en) * | 2019-10-16 | 2020-01-10 | 广东旭龙物联科技股份有限公司 | Exposure control method and device |
| WO2022057284A1 (en) * | 2020-09-15 | 2022-03-24 | 格力电器（武汉）有限公司 | Scanner button switching method, apparatus, storage medium, and scanner |
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| CN2852261Y (en) * | 2005-08-15 | 2006-12-27 | 杜瑞 | Bar code scanner |
| CN102991904A (en) * | 2012-10-23 | 2013-03-27 | 无锡市喷特环保工程有限公司 | Environment-friendly dustbin |
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| US20150332076A1 (en) * | 2014-05-13 | 2015-11-19 | Hand Held Products, Inc. | Indicia-Reader Housing With an Integrated Optical Structure |
| CN205486148U (en) * | 2016-03-03 | 2016-08-17 | 广州市纵码智能电子设备有限公司 | Two scanning function's scanning rifle |
| EP3188138A1 (en) * | 2015-12-31 | 2017-07-05 | Hand Held Products, Inc. | Devices, systems, and methods for optical validation |
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2018
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Patent Citations (7)
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|---|---|---|---|---|
| CN2852261Y (en) * | 2005-08-15 | 2006-12-27 | 杜瑞 | Bar code scanner |
| CN102991904A (en) * | 2012-10-23 | 2013-03-27 | 无锡市喷特环保工程有限公司 | Environment-friendly dustbin |
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| US20150332076A1 (en) * | 2014-05-13 | 2015-11-19 | Hand Held Products, Inc. | Indicia-Reader Housing With an Integrated Optical Structure |
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| EP3188138A1 (en) * | 2015-12-31 | 2017-07-05 | Hand Held Products, Inc. | Devices, systems, and methods for optical validation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110677595A (en) * | 2019-10-16 | 2020-01-10 | 广东旭龙物联科技股份有限公司 | Exposure control method and device |
| WO2022057284A1 (en) * | 2020-09-15 | 2022-03-24 | 格力电器（武汉）有限公司 | Scanner button switching method, apparatus, storage medium, and scanner |
| US12026573B2 (en) | 2020-09-15 | 2024-07-02 | Gree Electric Appliances (Wuhan) Co., Ltd | Method for switching scanner buttons, apparatus, storage medium, and scanner |
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Application publication date: 20190510 |