CN113887256A - Double-camera bar code reading module with heat dissipation assembly and bar code reading method - Google Patents

Double-camera bar code reading module with heat dissipation assembly and bar code reading method Download PDF

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Publication number
CN113887256A
CN113887256A CN202111078738.6A CN202111078738A CN113887256A CN 113887256 A CN113887256 A CN 113887256A CN 202111078738 A CN202111078738 A CN 202111078738A CN 113887256 A CN113887256 A CN 113887256A
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Prior art keywords
lens
aiming
heat dissipation
circuit board
assembly
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CN202111078738.6A
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CN113887256B (en
Inventor
苏满华
林小章
游晓君
沈锦兴
陈又佳
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Fujian Newland Auto ID Technology Co Ltd
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Fujian Newland Auto ID Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10831Arrangement of optical elements, e.g. lenses, mirrors, prisms
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/20Cooling means
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10712Fixed beam scanning
    • G06K7/10722Photodetector array or CCD scanning
    • G06K7/10732Light sources
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10792Special measures in relation to the object to be scanned
    • G06K7/10801Multidistance reading
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • G06K7/1404Methods for optical code recognition
    • G06K7/1439Methods for optical code recognition including a method step for retrieval of the optical code
    • G06K7/1443Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Studio Devices (AREA)
  • Cameras Adapted For Combination With Other Photographic Or Optical Apparatuses (AREA)

Abstract

The invention relates to a double-camera bar code reading module with a heat dissipation component and a bar code reading method, wherein the double-camera bar code reading module with the heat dissipation component adopts a double-lens component, so that the readable depth range is enlarged; the heat dissipation efficiency is improved by arranging the heat dissipation assembly attached to the processor, so that the equipment is prevented from being overheated; three circuit boards are overlapped and arranged, and are mutually connected through data connecting lines to carry out data transmission and signal control, so that the space utilization rate is maximized, and the size of the module is reduced; the problem of secondary reflection aiming points is solved while distance measurement is realized by adopting a coating aiming lens to be obliquely matched with a laser transmitter. The target distance is judged by adopting the proportion value of the aiming pattern in the whole image, and then the corresponding lens is called to obtain the target image, so that the distance measuring method is simple and efficient.

Description

Double-camera bar code reading module with heat dissipation assembly and bar code reading method
Technical Field
The invention relates to the field of bar code reading, in particular to a double-camera bar code reading module with a heat dissipation assembly and a bar code reading method.
Background
The barcode reading device refers to a device for reading barcode information. The bar space information of the bar code is converted into electronic information by an optical device, and then translated into corresponding data information by a special decoder. Because of its high input speed, high reliability, large information collection quantity, flexibility and practicality, the bar code reading device has been widely used in many fields such as commodity circulation, book management, post and telecommunications management, bank system, etc.
For bar code reading equipment, a large recognizable range is needed, and the prior art generally adopts two schemes, one is a bar code scanner with a liquid lens or a mechanical adjustable focal length lens, but the cost of the lens component of the scheme is high. The other scheme is that a dual-mode set is combined, two modules respectively responsible for far and near areas are spliced up and down to form the single-mode power supply, and the single-mode power supply shares one shell.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a dual-camera barcode reading module with a heat dissipation assembly, which is directed to the above-mentioned deficiencies of the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
technical scheme one
A two bar code recognition module of taking a photograph with radiator unit includes:
a housing: the shell is internally provided with a first lens area, a second lens area, a first light compensation area, a second light compensation area and a collimation area which penetrate through the shell.
A front panel: and the front panel is respectively provided with a first lens window, a second lens window, a first light supplement window, a second light supplement window and an aiming window corresponding to each region of the shell.
A first circuit board: the rear end of the shell is detachably connected with the shell; the first circuit board comprises a first lens assembly and a processor.
A second circuit board: the first data connecting line is positioned at the rear end of the shell and in front of the first circuit board and is electrically connected with the first circuit board; the second circuit board includes a second lens connector and a targeting assembly.
A third circuit board: the second data connecting wire is positioned at the rear end of the shell and in front of the second circuit board and is electrically connected with the second circuit board through the second data connecting wire; the third circuit board comprises a first light supplement lamp and a second light supplement lamp.
A heat dissipation assembly: and the heat dissipation assembly is attached to the processor and fixed on the shell.
Wherein the first lens assembly is disposed within the first lens region; the second lens assembly is arranged in the second lens area and is fixed on the second circuit board through a second lens connector; the first light supplement lamp and the second light supplement lamp are respectively arranged in the first light supplement area and the second light supplement area; the aiming assembly is arranged in the aiming area.
A first light supplement lens is arranged in front of the first light supplement lamp in the first light supplement area, and the first light supplement lens is a plano-convex lens; in the second light supplementing area, a second light supplementing lens is arranged in front of the second light supplementing lamp and is a special-shaped lens.
In the aiming area, an aiming lens is arranged in front of the aiming component; the sighting glass is double-sided AR film-coated toughened glass, and the sighting glass and the front panel form an included angle of 15 degrees.
The radiating assembly comprises heat-conducting silica gel, a graphene radiating film and a radiating plate which are sequentially attached, wherein the heat-conducting silica gel is attached to the processor, the radiating plate is fixed on the shell through screws, and partial areas of the radiating plate are attached to the shell.
The shell and the heat dissipation plate are made of high-conductivity aluminum.
The first circuit board also includes a data connector and a memory.
Technical scheme two
A bar code reading method comprises the following steps:
s1: the aiming assembly emits an aiming light pattern to a target surface;
s2: the second lens assembly acquires a first target image with an aiming light pattern;
s3: calculating the proportion of pixels occupied by the aiming light pattern in the first target image, and when the proportion value is larger than a first threshold value, the processor decodes the first target surface image obtained in the step S2; when the proportional value is smaller than the second threshold, go to step S4; when the proportional value is smaller than the first threshold value and larger than the second threshold value, the process proceeds to step S5.
S4: the first lens assembly acquires a second target surface image, and the processor receives the second target image for decoding;
s5: and calling the lens assembly which is successfully decoded last time to acquire a third target image, and receiving the third target image by the processor for decoding.
The invention has the following beneficial effects:
1. the double-camera bar code reading module with the heat dissipation assembly adopts the double-lens assembly, so that the readable field depth range is enlarged.
2. The double-camera bar code reading module with the heat dissipation assembly adopts the overlapping layout of the three circuit boards, and is connected with each other through the data connecting lines for data transmission and signal control, so that the space utilization rate is maximized, the size of the module is reduced, and the problems of overlarge load of a single circuit board and overhigh temperature are solved.
3. The double-camera bar code reading module with the heat dissipation assembly adopts the inclined coated aiming lens to be matched with the aiming laser emitter, so that the problem of secondary reflection aiming points is solved while distance measurement is realized.
4. The barcode reading method provided by the invention adopts the aiming pattern to account for the proportion of the whole image to judge the target distance, and the distance measuring method is simple.
Drawings
Fig. 1 is an exploded view of a dual-camera barcode reading module with a heat dissipation assembly according to the present invention;
FIG. 2 is a schematic diagram of a front panel of a dual-camera barcode reading module with a heat dissipation assembly according to the present invention;
FIG. 3 is a schematic diagram of a three-circuit board structure and connection relationship of a dual-camera barcode reading module with a heat dissipation assembly according to the present invention;
FIG. 4 is a schematic view of a heat dissipation assembly of the dual-camera barcode reading module with a heat dissipation assembly according to the present invention;
fig. 5 is a schematic view of a light supplement structure of a dual-camera barcode reading module with a heat dissipation assembly according to the present invention;
FIG. 6 is a sectional view of an aiming area of a dual-camera bar code reading module with a heat dissipation assembly according to the present invention;
FIG. 7 is a perspective view of a dual-camera barcode reading module with a heat dissipation assembly according to the present invention;
fig. 8 is a flowchart of a barcode reading method according to the present invention.
The reference signs are: 1-a shell; 11-a first lens region; 12-a second lens region; 13-a first patch area; 131-a first fill-in lens; 14-a second patch area; 141-a second fill-in lens; 15-a targeting zone; 151-aiming lens; 2-a front panel; 21-a first lens window; 22-a second lens window; 23-a first fill light window; 24-a second fill light window; 25-an aiming window; 3-a first circuit board; 31-a first lens assembly; 32-a processor; 33-a data connector; 34-a memory; 4-a second circuit board; 41-a first data link line; 42-a second lens connector; 43-a targeting assembly; 44-a second lens assembly; 5-a third circuit board; 51-second data connection line; 52-a first fill light; 53-a second fill light; 61-thermally conductive silica gel; 62-graphene heat dissipation films; 63-a heat sink; 7-soaking the lens with cotton; 8-screw.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Example 1
As shown in fig. 1, a double-camera barcode reading module with a heat dissipation assembly includes:
a housing 1: the shell 1 is internally provided with a first lens area 11, a second lens area 12, a first light compensation area 13, a second light compensation area 14 and an aiming area 15 which penetrate through the shell.
As shown in fig. 2, the front panel 2: the front panel 2 is provided with a first lens window 21, a second lens window 22, a first supplementary lighting window 23, a second supplementary lighting window 24 and an aiming window 25 corresponding to each region of the casing 1.
First circuit board 3: the rear end of the shell 1 is detachably connected with the shell 1; the first circuit board 3 includes a first lens assembly 31 and a processor 32. The first lens assembly 31 comprises a lens, a lens sleeve, a lens base and an image sensor located in the lens base, wherein the lens is rotationally focused through threads, and the lens base is fixed on the first circuit board 3 through dispensing.
The first circuit board 3 is also provided with a bar code decoding chip, which is not shown in the figure.
Second circuit board 4: the first data connecting line 41 is positioned at the rear end of the shell 1 and in front of the first circuit board 3 and is electrically connected with the first circuit board 3; the second circuit board 4 includes a second lens connector 42 and a targeting assembly 43. The aiming assembly is a 43-bit laser transmitter.
Third circuit board 5: the second data connecting line 51 is positioned at the rear end of the shell 1 and in front of the second circuit board 4 and is electrically connected with the second circuit board 4; the third circuit board 5 includes a first light supplement lamp 52 and a second light supplement lamp 53, and the first light supplement lamp 52 and the second light supplement lamp 53 are LED light sources.
As shown in fig. 3, the first circuit board 3, the second circuit board 4, and the third circuit board 5 are electrically connected through a first data connection line 41 and a second data connection line 51, and the data connection lines are flexible boards. The three circuit boards are provided with screw holes which are respectively fixed at different positions of the shell 1 through screws 8.
As shown in fig. 4, the heat dissipating assembly: the heat dissipation assembly is positioned between the first circuit board 3 and the second circuit board 4, is attached to the processor 32, and is fixed on the shell 1;
the heat dissipation assembly comprises heat-conducting silica gel 61, a graphene heat dissipation film 62 and a heat dissipation plate 63 which are sequentially attached, wherein the heat-conducting silica gel 61 is attached to the processor 32, the heat dissipation plate 63 is fixed on the shell 1 through screws, and partial regions of the heat dissipation plate 63 are attached to the shell 1. The heat dissipation plate is provided with screw holes and is fixed on the shell 1 through screws. The heat conductive silicone can reduce the thermal resistance of the processor 31 and fill the surface pits.
The housing 1 and the heat dissipation plate 63 are made of high-conductivity aluminum.
In this embodiment, the heat conductivity coefficients of the heat dissipation assembly and the housing are respectively 3W/MK of thermally conductive silicone rubber; the graphene heat dissipation film is 1000-1300W/MK; the heat dissipation aluminum plate 160 and 200W/MK; high conductivity aluminum 210-250W/MK.
The first lens assembly 31 is arranged in the first lens region 11; the second lens assembly 44 is disposed in the second lens region 12 and fixed to the second circuit board 4 through the second lens connector 42; the first light supplement lamp 52 and the second light supplement lamp 53 are respectively arranged in the first light supplement area 13 and the second light supplement area 14; the aiming assembly 43 is disposed within the aiming area 15. The first lens assembly 31 is a telephoto lens, and the second lens assembly 44 is a paraxial lens. In the present embodiment, the telephoto range is 60CM or less and within 70 CM.
As shown in fig. 5, in the first light supplement region 13, a first light supplement lens 131 is disposed in front of the first light supplement lamp 52, and the first light supplement lens 131 is a plano-convex lens; in the second light supplement area 14, a second light supplement lens 141 is arranged in front of the second light supplement lamp 53, and the second light supplement lens is a special-shaped lens. The first light supplementing lens 131 is responsible for supplementing light in a near field, and the parameters are 59 degrees × 48 degrees of an angle with 50% of light intensity, and the second light supplementing lens 141 is responsible for supplementing light in a far field, and the parameters are 21 degrees × 21 degrees of an angle with 50% of light intensity.
As shown in fig. 6, in the aiming area 15, an aiming lens 151 is arranged in front of the aiming assembly 43; aiming lens 151 is two-sided AR coating toughened glass, aiming lens 151 with the contained angle of front panel 2 is 15 degrees.
When the bar code reading module is integrally installed in other equipment, glass is arranged on the outer surface of the bar code reading module and used for blocking invasion of dust and other foreign matters. At this time, the aiming light emitted by the aiming assembly can generate mirror reflection when passing through the peripheral glass, and an interference light spot is generated in the lens. In order to eliminate the influence, a coating lens inclined at a certain angle is arranged in front of the aiming component 43, and the reflected interference of the coating lens of the electron microscope head is reflected to other directions, so that the lens cannot be interfered to work.
The first circuit board 3 further comprises a data connector 33 and a memory 34.
The double-camera bar code reading module with the heat dissipation assembly adopts the double-lens assembly, so that the readable field depth range is enlarged. The three circuit boards are overlapped and distributed, and are mutually connected through the data connecting lines to carry out data transmission and signal control, so that the space utilization rate is maximized, the size of the module is reduced, and the problem of excessive load and high temperature of a single circuit board is solved. The problem of secondary reflection aiming points is solved while distance measurement is realized by adopting the coating aiming lens to be obliquely matched with the aiming laser emitter.
Example 2
A barcode reading method is characterized by comprising the following steps:
s1: the aiming assembly 43 emits an aiming light pattern to a target surface;
s2: the second lens assembly 44 acquires a first target image with an aiming light pattern;
s3: calculating the proportion of pixels occupied by the aiming light pattern in the first target image, and when the proportion value is greater than a first threshold value, the processor 32 performs decoding by using the first target surface image obtained in the step S2; when the proportional value is smaller than the second threshold, go to step S4; when the proportional value is smaller than the first threshold value and larger than the second threshold value, the process proceeds to step S5.
In this embodiment, the depth range of the near-sighted scene is 0-70cm, the proportion of the pixels occupied by the aiming light pattern in the whole image is relatively large, the depth range of the far-sighted scene is 60cm-5m, and the proportion of the pixels occupied by the aiming light pattern in the whole image is relatively small. The depth of field of the far and near fields has certain coincidence and is in a 60-70cm area.
And a certain depth of field coincidence range is set, so that the problem that a part of the area cannot cover the poor recognition effect due to lens debugging or precision can be avoided.
The pixel proportion value at 70cm is taken as a first threshold value, and the pixel proportion value at 60cm is taken as a second threshold value.
S4: the first lens assembly 44 captures a second target surface image, which the processor 32 receives for decoding;
s5: and calling the lens assembly which is successfully decoded last time to acquire a third target image, and receiving the third target image for decoding by the processor 32.
The barcode reading method provided by the invention adopts the aiming pattern to account for the proportion of the whole image to judge the target distance, and the distance measuring method is simple.
The above examples are intended to illustrate rather than to limit the invention, and all equivalent changes and modifications made by the methods described in the claims of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The utility model provides a two bar code recognition modules of taking a photograph with radiator unit which characterized in that includes:
housing (1): a first lens area (11), a second lens area (12), a first light supplement area (13), a second light supplement area (14) and a sighting area (15) which penetrate through the shell are arranged in the shell (1);
front panel (2): the front panel (2) is positioned at the front end of the shell (1) and is provided with a first lens window (21), a second lens window (22), a first light supplement window (23), a second light supplement window (24) and an aiming window (25) corresponding to each region of the shell (1);
first circuit board (3): the rear end of the shell (1) is detachably connected with the shell (1); the first circuit board (3) comprises a first lens assembly (31) and a processor (32);
second circuit board (4): the first data connecting line is positioned at the rear end of the shell (1), is positioned in front of the first circuit board (3) and is electrically connected with the first circuit board (3) through a first data connecting line (41); the second circuit board (4) comprises a second lens connector (42) and a sighting assembly (43);
third circuit board (5): the second data connecting line is positioned at the rear end of the shell (1), is positioned in front of the second circuit board (4) and is electrically connected with the second circuit board (4) through a second data connecting line (51); the third circuit board (5) comprises a first light supplement lamp (52) and a second light supplement lamp (53);
a heat dissipation assembly: the heat dissipation assembly is positioned between the first circuit board (3) and the second circuit board (4), is attached to the processor (32), and is fixed on the shell (1);
wherein the first lens arrangement (31) is arranged within the first lens region (11); the second lens assembly (44) is arranged in the second lens area (12) and is fixed on the second circuit board (4) through a second lens connector (42); the first light supplement lamp (52) and the second light supplement lamp (53) are respectively arranged in the first light supplement area (13) and the second light supplement area (14); the aiming assembly (43) is arranged in the aiming area (15).
2. The double-camera bar code reading module with the heat dissipation assembly as recited in claim 1, wherein: in the first light supplement area (13), a first light supplement lens (131) is arranged in front of the first light supplement lamp (52), and the first light supplement lens (131) is a plano-convex lens; in the second light supplementing area (14), a second light supplementing lens (141) is arranged in front of the second light supplementing lamp (53), and the second light supplementing lens is a special-shaped lens.
3. The double-camera bar code reading module with the heat dissipation assembly as recited in claim 1, wherein: an aiming lens (151) is arranged in front of the aiming component (43) in the aiming area (15); aiming lens (151) are double-sided AR film coated toughened glass, aiming lens (151) with the contained angle of front panel (2) is 15 degrees.
4. The double-camera bar code reading module with the heat dissipation assembly as recited in claim 1, wherein: radiator unit is including heat conduction silica gel (61) that laminates in proper order, graphite alkene heat dissipation membrane (62), heating panel (63), wherein, heat conduction silica gel (61) with treater (32) laminating, heating panel (63) are through the screw fixation in on casing (1), the subregion of heating panel (63) with casing (1) laminating.
5. The bi-camera barcode reading module with the heat dissipation assembly of claim 4, wherein: the shell (1) and the heat dissipation plate (63) are made of high-conductivity aluminum.
6. The double-camera bar code reading module with the heat dissipation assembly as recited in claim 1, wherein: the first circuit board (3) further comprises a data connector (33) and a memory (34).
7. A barcode reading method is characterized by comprising the following steps:
s1: the aiming assembly (43) emits an aiming light pattern to a target surface;
s2: the second lens assembly (44) acquiring a first target image with an aiming light pattern;
s3: calculating the proportion of pixels occupied by the aiming light pattern in the first target image, and when the proportion value is larger than a first threshold value, the processor (32) decodes the first target surface image obtained in the step S2; when the proportional value is smaller than the second threshold, go to step S4; when the proportional value is smaller than the first threshold value and larger than the second threshold value, the process proceeds to step S5.
S4: the first lens assembly (44) acquiring a second target surface image, the processor (32) receiving the second target image for decoding;
s5: and calling the lens assembly which is successfully decoded last time to acquire a third target image, and receiving the third target image for decoding by the processor (32).
CN202111078738.6A 2021-09-15 2021-09-15 Double-shooting bar code reading module with heat radiation assembly Active CN113887256B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203038289U (en) * 2012-12-11 2013-07-03 福建新大陆自动识别技术有限公司 Bar code reading decoding module and hand-held electronic device
US20130334314A1 (en) * 2012-06-19 2013-12-19 Symbol Technologies, Inc. Aiming system for imaging scanner
CN108786110A (en) * 2018-05-30 2018-11-13 腾讯科技(深圳)有限公司 Gun sight display methods, equipment and storage medium in virtual environment
CN111382590A (en) * 2020-04-03 2020-07-07 福建新大陆自动识别技术有限公司 Small-size bar code image acquisition unit
CN211234128U (en) * 2019-12-13 2020-08-11 沈阳军为电子科技有限公司 Split type individual soldier observation and aiming device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130334314A1 (en) * 2012-06-19 2013-12-19 Symbol Technologies, Inc. Aiming system for imaging scanner
CN203038289U (en) * 2012-12-11 2013-07-03 福建新大陆自动识别技术有限公司 Bar code reading decoding module and hand-held electronic device
CN108786110A (en) * 2018-05-30 2018-11-13 腾讯科技(深圳)有限公司 Gun sight display methods, equipment and storage medium in virtual environment
CN211234128U (en) * 2019-12-13 2020-08-11 沈阳军为电子科技有限公司 Split type individual soldier observation and aiming device
CN111382590A (en) * 2020-04-03 2020-07-07 福建新大陆自动识别技术有限公司 Small-size bar code image acquisition unit

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