CN109388994B - Tobacco laser code image capturing device and equipment - Google Patents
Tobacco laser code image capturing device and equipment Download PDFInfo
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- CN109388994B CN109388994B CN201811151270.7A CN201811151270A CN109388994B CN 109388994 B CN109388994 B CN 109388994B CN 201811151270 A CN201811151270 A CN 201811151270A CN 109388994 B CN109388994 B CN 109388994B
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods 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
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
- G06K7/10732—Light sources
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods 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
- G06K7/10821—Methods 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
- G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods 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
- G06K7/10821—Methods 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
- G06K7/10861—Methods 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 sensing of data fields affixed to objects or articles, e.g. coded labels
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/018—Certifying business or products
- G06Q30/0185—Product, service or business identity fraud
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Abstract
The invention discloses a tobacco laser code image capturing device and equipment. Tobacco laser sign indicating number gets for instance device includes: a first housing; an imaging unit; the objective lens is arranged on the first shell and used for bearing the tobacco strips; a light source within the first housing for illuminating the packaged tobacco rod; the spectroscope is arranged in the first shell and used for reflecting or refracting the light rays reflected from the packaged tobacco to the imaging unit; and the light shielding plate is positioned between the light source and the spectroscope and used for preventing the light rays emitted by the light source from directly irradiating the spectroscope. The tobacco laser code image capturing device has the advantages of simple and compact structure, convenience in carrying, good imaging effect, good dustproof effect, long service life and the like.
Description
Technical Field
The invention relates to the field of tobacco laser code image identification, in particular to a tobacco laser code image capturing device and equipment.
Background
In order to improve the production and sale of genuine cigarettes and inhibit illegal circulation of cigarettes by tobacco companies and improve the market supervision and internal supervision capabilities of the genuine cigarettes, production departments print unique 32-bit laser codes on each genuine cigarette package by using a laser code technology, so that when the cigarettes are illegally circulated, the tracing management of each cigarette and the type of the genuine cigarette can be effectively realized, and the national benefits and the consumer benefits are practically maintained.
The 32-bit laser code is the identification number of each cigarette and comprises numbers and English letters. In the traditional tobacco industry, the laser code on tobacco is manually input to a database management system for query to verify the authenticity of the tobacco corresponding to the laser code. In the process, due to the fact that the design and the used materials of the tobacco package are different, the laser codes are limited by the soft and hard texture of the materials and the materials of the coating, and people cannot accurately recognize the laser codes under a conventional light source. The cigarette is usually held by hand, or recognized by a magnifying glass, or the cigarette is inclined to an angle and recognized by using a field light source, or even dust is directly smeared on the bar code to display the bar code. These manual identifications are not only difficult and labor intensive, but also extremely inefficient and prone to error. However, the 32-bit laser code recognition device in the prior art is often large in size and inconvenient to carry, and particularly, the 32-bit laser code inspection of cigarettes in remote mountainous areas is extremely inconvenient. Therefore, research and development of a tobacco laser code image capturing device which is simple and compact in structure, convenient to carry and good in imaging effect becomes a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention solves the technical problem of providing the tobacco laser code image capturing device and equipment which have simple and compact structure, convenient carrying and good imaging effect.
In one aspect, the present invention provides a tobacco laser code image capturing device, which includes:
a first housing;
an imaging unit;
the objective lens is arranged on the first shell and used for bearing the tobacco strips;
a light source within the first housing for illuminating the packaged tobacco rod;
the spectroscope is arranged in the first shell and used for reflecting or refracting the light rays reflected from the strip tobacco to the imaging unit;
the light shielding plate is positioned between the light source and the spectroscope and used for blocking light rays emitted by the light source from directly irradiating the spectroscope;
the first spectroscope fixing plate and the second spectroscope fixing plate are arranged oppositely and clamp the spectroscope together;
wherein the light source includes: the first bar-shaped light source, the second bar-shaped light source, the third bar-shaped light source and the fourth bar-shaped light source; the first strip-shaped light source and the second strip-shaped light source are oppositely arranged, and the third strip-shaped light source and the fourth strip-shaped light source are oppositely arranged.
Preferably, the tobacco laser code image capturing device further includes:
and the light adjusting plate is positioned between the light source and the objective lens and used for scattering light emitted by the light source to form uniform distribution.
Preferably, a surface of the light adjusting plate facing the light source is a frosted surface subjected to a frosting treatment.
Preferably, the included angle between the irradiation direction of the light source and the plane of the objective lens is alpha, and alpha is more than or equal to 30 degrees and less than or equal to 75 degrees.
Preferably, the tobacco laser code image capturing device further includes:
the light source fixing piece is arranged on the inner side wall of the first shell; the light source is hinged on the light source fixing piece.
Preferably, the first spectroscope fixing plate is provided with a first fixing groove matched with the spectroscope;
the second spectroscope fixing plate is provided with a second fixing groove matched with the spectroscope;
the spectroscope is at least partially inserted into the first fixing groove and the second fixing groove.
Preferably, an image capturing area is formed between the first spectroscope fixing plate and the second spectroscope fixing plate, and the light source is disposed outside the image capturing area.
Preferably, the tobacco laser code image capturing device further includes:
the packaging detection device is arranged at the bottom of the first shell and is positioned on one side, away from the objective lens, of the spectroscope; the detection direction of the package detection device is opposite to the objective lens; detecting the packaging type of the strip-packaged tobacco;
and the distance sensor is arranged on one side of the objective lens, which faces the spectroscope, and is used for detecting whether the strip tobacco is placed on the objective lens.
Preferably, the imaging unit includes a body and a lens, and the first housing is provided with a through hole for the lens to pass through; the body is fixed outside the first shell and covers the outer side of the through hole; the lens penetrates through the through hole and extends into the first shell.
On the other hand, the invention also provides tobacco laser code image capturing equipment which comprises a tobacco laser code image capturing device, wherein the tobacco laser code image capturing device is the tobacco laser code image capturing device.
In conclusion, the invention has the following beneficial effects: the tobacco laser code image capturing device comprises a first shell; an imaging unit; the objective lens is arranged on the first shell and used for bearing the tobacco strips; a light source within the first housing for illuminating the packaged tobacco rod; the spectroscope is arranged in the first shell and used for reflecting or refracting the light rays reflected from the strip tobacco to the imaging unit; and the light shielding plate is positioned between the light source and the spectroscope and used for preventing the light rays emitted by the light source from directly irradiating the spectroscope so as to prevent the imaging effect of the imaging unit from being influenced by the light source irradiating the imaging unit. Therefore, the tobacco laser code image capturing device provided by the invention has the advantages of simple and compact structure, convenience in carrying, good imaging effect and the like.
Drawings
Fig. 1 is a schematic structural diagram of a tobacco laser code image capturing device according to a first embodiment of the present invention.
Fig. 2 is an exploded view of a tobacco laser code image capturing device according to a first embodiment of the present invention.
Fig. 3 is a cross-sectional view of a tobacco laser code image capturing device according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a first viewing angle of the tobacco laser code image capturing device according to the first embodiment of the present invention.
Fig. 5 is an enlarged view of the area a in fig. 4.
Fig. 6 is an exploded view of the tobacco laser code image capturing device according to the first embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a second view angle of the tobacco laser code image capturing device according to the first embodiment of the present invention.
Fig. 8 is an enlarged view of the region B in fig. 7.
Fig. 9 is a cross-sectional view of a tobacco laser code image capturing device according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention.
Example 1
Referring to fig. 1 to 3, the present invention provides a tobacco laser code image capturing device, which includes:
a first housing 21;
an imaging unit 22;
a first cover plate 23 covering the first housing 21, wherein an image capturing hole 23a is formed in the middle of the first cover plate 23; a lens holding groove 23c is arranged around the image capturing hole 23a;
the objective lens 23b is covered on the image capturing hole 23a, clamped in the objective lens clamping groove 23c and used for bearing the tobacco strips; in this embodiment, the objective lens 23b is disposed on the first cover plate 23 by covering, and further disposed on the opening of the first housing 21. The objective lens 23b is made of explosion-proof glass; therefore, the strength is high, the cracking and scratching are not easy to occur. In other embodiments, the objective lens 23b may also be directly covered on the opening of the first housing 21, and is not limited in this regard.
A light source 24, said light source 24 being located within said first housing 21 for illuminating said strip of tobacco;
a spectroscope 25 disposed in the first housing 21 for reflecting or refracting the light reflected from the tobacco rod to the imaging unit 22; the shooting direction of the imaging unit 22 is parallel to the plane of the objective lens 23b, the beam splitter 25 is located between the objective lens 23b and the imaging unit 22, and the angle formed by the plane of the beam splitter 25 and the shooting direction of the imaging unit 22 is 45 °, so that the beam splitter 25 can accurately reflect the laser code image of the tobacco rod on the objective lens 23b to the imaging unit 22. Therefore, the tobacco laser code image capturing device has the advantages of simple and compact structure and good imaging effect. A light shielding plate 26 located between the light source 24 and the beam splitter 25 for blocking the light emitted from the light source 24 from being directly incident on the beam splitter 25. So as to avoid the light source 24 from irradiating on the imaging unit 22 to affect the imaging effect of the imaging unit 22. Therefore, the tobacco laser code image capturing device has the advantages of simple and compact structure, convenience in carrying, good imaging effect, long service life and the like.
In this embodiment, the beam splitter 25 is also called a half-mirror or a beam splitter; the double image of the laser code image collected by the imaging unit can be eliminated by adopting the spectroscope. Therefore, the tobacco laser code image capturing device has the advantage of good image capturing effect. In other embodiments, a prism, a total reflection mirror, a spherical mirror, an aspherical mirror, and the like may be used, and are not particularly limited herein.
Preferably, the tobacco laser code image capturing device further includes:
and a light adjusting plate 24e located between the light source 24 and the objective lens 23b for scattering light emitted from the light source 24 to form a uniform distribution. The phenomenon that glare is generated due to too concentrated light rays to influence the image capturing effect of the tobacco laser code image capturing equipment is avoided; specifically, the light adjusting plate 24e is provided to cover the light source 24. Therefore, the tobacco laser code image capturing device has the advantages of balanced auxiliary illumination and good image capturing effect.
Preferably, the surface of the light adjusting plate 24e facing the light source 24 is a frosted surface that is frosted. So as to avoid the problem that the frosted surface is polluted by dust to cause the image capturing effect to be reduced. Specifically, the light-adjusting plate 24e is a diffuse reflection plate, and in other embodiments, the light-adjusting plate 24e may also be a glass plate that is subjected to a sand-grinding treatment, and is not particularly limited herein.
Preferably, the included angle between the irradiation direction of the light source 24 and the plane of the objective lens 23b is α, and α is greater than or equal to 30 ° and less than or equal to 75 °. So that the image capturing effect can be optimized by adjusting the irradiation direction of the light source 24 when assembling or replacing the image capturing target type.
Preferably, the tobacco laser code image capturing device further includes:
a light source fixing member 24f disposed on an inner sidewall of the first housing 21; the light source 24 is hinged to the light source holder 24 f. So as to adjust the angle of incidence of the light source 24.
A first spectroscope fixing plate 25a provided with a first fixing groove 25b matched with the spectroscope 25;
a second spectroscope fixing plate 25c having a second fixing groove (not shown) engaged with the spectroscope 25;
the first spectroscope fixing plate 25a and the second spectroscope fixing plate 25c are arranged opposite to each other and clamp the spectroscope 25 together, and at least part of the spectroscope 25 is inserted into the first fixing groove 25b and the second fixing groove. The first spectroscope fixing plate 25a and the second spectroscope fixing plate 25c can be used for fixing the spectroscope 25 and can also prevent other interference light sources 24 from irradiating the spectroscope 25, so that the image capturing effect of the tobacco laser code image capturing device is influenced.
Preferably, an image capturing area is formed between the first spectroscope fixing plate 25a and the second spectroscope fixing plate 25c, the light source 24 is disposed outside the image capturing area, and the image capturing hole 23a corresponds to the image capturing area. To ensure that the light from the light source 24 only irradiates on the image-taking hole 23a, and thus on the packaged tobacco rod placed on the objective lens 23b, and is reflected to the imaging unit 22 by the beam splitter 25; so as to prevent the light source 24 from directly irradiating the beam splitter 25 and prevent the light source 24 located in the image capturing area from blocking the light path between the packaged tobacco and the beam splitter 25. Therefore, the tobacco laser code image capturing device has the advantages of blocking the interference light source 24 and having a good imaging effect.
Preferably, the light source 24 comprises: a first strip light source 24a, a second strip light source 24b, a third strip light source 24c and a fourth strip light source 24d; the first strip light source 24a is arranged opposite to the second strip light source 24b, and the third strip light source 24c is arranged opposite to the fourth strip light source 24 d. Therefore, the tobacco laser code image capturing device has the advantages of balanced illumination and good image capturing effect.
Preferably, the imaging unit 22 includes a body 22a and a lens 22b, and the first housing 21 is provided with a through hole 21a for the lens 22b to pass through; the body 22a is fixed outside the first shell 21 and covers the through hole 21a; the lens 22b penetrates through the through hole 21a and extends into the first housing 21, and an image sensor electrically connected with the processor 40 is arranged in the body 22 a. Therefore, it has excellent sealing property, and not only can prevent dust from contaminating the lens 22b but also can block the light source 24.
Referring to fig. 4 to 8, the present invention further provides a tobacco laser code image capturing device, including a tobacco laser code image capturing device 20, where the tobacco laser code image capturing device 20 is the tobacco laser code image capturing device 20.
Preferably, the tobacco laser code image capturing device further includes:
a second housing 10;
a partition plate 13 disposed in the second casing 10, wherein the partition plate 13 is used for dividing the second casing 10 into a first accommodating cavity 10a and a second accommodating cavity 10b;
a bearing panel 11 covering the openings of the first accommodating cavity 10a and the second accommodating cavity 10b; the carrier panel 11 is provided with a first receiving hole 12; the upper surface of the bearing panel 11 is higher than or parallel and level with the mouth of a cavity, so that the placement and rotation of the tobacco strips are avoided rotating during the tobacco strips, the tobacco strips collide with the second shell 10 and interfere with each other. In this embodiment, the partition 13 is disposed in the middle of the second casing 10, and the partition 13 is also used for supporting the middle of the bearing panel 11; therefore, the tobacco laser code image capturing device has the advantage of stable structure.
The tobacco laser code image capturing device 20 is disposed in the first accommodating cavity 10 a; the image capturing area of the tobacco laser code image capturing device 20 corresponds to the first accommodating hole 12, at least part of the tobacco laser code image capturing device 20 is inserted into the first accommodating hole 12, and the tobacco laser code image capturing device 20 is used for acquiring laser code images of strip-packaged tobacco; the bearing plane of the tobacco laser code image capturing device 20 is lower than or flush with the upper surface of the bearing panel 11. The image capturing direction of the tobacco laser code image capturing device 20 is upward, so as to collect the laser code image of the strip tobacco loaded on the loading panel 11.
The processor 40 is arranged in the second accommodating cavity 10b and is electrically connected with the tobacco laser code image capturing device; the side wall of the second casing 10 is provided with a first heat dissipation hole 10c, the first heat dissipation hole 10c is communicated with the second accommodating cavity 10b, and the processor 40 performs heat dissipation through interaction between the first heat dissipation hole 10c and the outside air. In the present embodiment, the processor 40 includes an industrial computer based on a PC bus; in other embodiments, the processor 40 may further include a PLC (programmable control system), a DCS (distributed control system), an FCS (field bus system), a CNC (numerical control system), and the like, which are not limited in particular.
The second shell 10 is divided by the partition plate 13 to form a first accommodating cavity 10a for preventing dust and external pollution and a second accommodating cavity 10b which needs to be interacted with the external air for heat dissipation; so that the heat dissipation of the processor 40 is compatible with the dust-proof requirement of the image capturing device 20 for tobacco laser codes. Therefore, the tobacco laser code image capturing device provided by the invention has the advantages of simple and compact structure, convenience in storage and carrying, dust prevention and heat dissipation functions, good imaging effect, simplicity and convenience in operation, long service life and the like.
Preferably, the tobacco laser code image capturing device further comprises:
a power module 46 disposed in the second accommodating chamber 10b and located at one side of the processor 40; so that the power module 46 interacts with the outside air to dissipate heat. The power module 46 is configured to convert a common commercial power (220V ac or 110V ac) into a voltage that can be used by the processor 40 and the tobacco laser code image capturing device, so as to supply power to the processor 40 and the tobacco laser code image capturing device 20. Therefore, the tobacco laser code image capturing device has the advantage of good heat dissipation effect.
In this embodiment, the tobacco laser code image capturing device further includes:
the barcode scanner 42 is disposed in the first accommodating cavity 10a, and a scanning window of the barcode scanner 42 is located on the bearing panel 11. So as to avoid the problem that the bar code scanner 42 is polluted by the interaction with the outside air, which affects the efficiency of bar code identification. Simultaneously, the tobacco laser code acquisition equipment is compact in structure and convenient to carry. The bar code scanner 42 is used for identifying and collecting bar codes on the strip-packed tobacco to obtain the product specification information of the strip-packed tobacco, so that the collected laser code images can be classified and counted conveniently; meanwhile, the problem that the barcode scanner 42 is inconvenient to carry and easy to lose due to independent configuration is avoided.
The barcode scanner 42 is arranged to scan in an upward direction so as to identify and collect the barcode of the tobacco rod carried on the carrying panel 11. In other embodiments, the barcode scanner 42 may also be disposed on an outer sidewall of the second housing 10, which is not limited herein.
Preferably, the tobacco laser code image capturing device further includes:
a first heat dissipation fan 10d corresponding to the first heat dissipation hole 10c and disposed in the second accommodation cavity 10 b. So as to guide the outside air into the second accommodating chamber 10b, thereby accelerating the heat dissipation of the power module 46 and the processor 40.
Preferably, the second housing 10 is further provided with a second heat dissipation hole 10e, the second heat dissipation hole 10e is located on a side of the processor 40 away from the bearing panel 11, and the second heat dissipation hole 10e is communicated with the second accommodating cavity 10b; tobacco laser code is got for instance equipment and is still included:
a second heat dissipation fan 10f corresponding to the second heat dissipation hole 10e and located between the processor 40 and the second heat dissipation hole 10 e; the first heat dissipation fan 10d is configured to push outside air into the second accommodating cavity 10b, and the second heat dissipation fan 10f is configured to push air in the second accommodating cavity 10b to be discharged out of the second accommodating cavity 10b, so as to take heat out of the second accommodating cavity 10 b. The heat in the second accommodating cavity 10b is discharged through the second heat dissipation hole 10e at the bottom of the second casing 10 and the second heat dissipation fan 10f, so that the problem that the operator feels uncomfortable due to the fact that the hot air is directly blown to the operator around the tobacco laser code image capturing device when the heat is discharged from the first heat dissipation hole 10c formed in the side wall of the second casing 10 is avoided. Therefore, tobacco laser sign indicating number gets for instance equipment has the radiating effect good, long service life and convenient operation's advantage.
In this embodiment, the tobacco laser code image capturing device further includes:
a display device 30 hinged to the second housing 10 for adjusting a display angle and accommodating the display device 30; the display device 30 is used for displaying the laser code image and the related information in real time; so as to adjust the position and the angle of the strip tobacco to obtain the best laser code image, thereby improving the identification accuracy of the laser code.
In this embodiment, the tobacco laser code image capturing device further includes:
the input device 41 is disposed on the bearing panel 11 above the second accommodating cavity 10b and located at one side of the tobacco laser code image capturing device 20, and the input device 41 includes a keyboard. The input device 41 is electrically connected with the processor 40; so as to facilitate the entry of case information, the acquisition control of the tobacco laser code image capturing device 20 and the entry of other control instructions. In other embodiments, the input device 41 may further include a touch screen disposed on the display device 30, and is not limited in particular.
Preferably, the carrier panel 11 is further provided with a second receiving hole 17; the input device 41 is at least partially inserted into the second receiving hole 17, the body of the input device 41 is located in the second housing 10, the input interface of the input device 41 is covered on the second receiving hole 17, and the highest point of the input interface is higher than or flush with the upper surface of the bearing panel 11. Therefore, the tobacco laser code image capturing device provided by the invention has the advantage of simple and convenient operation.
Preferably, the tobacco laser code image capturing device further comprises:
and the damping hinge 50, the damping hinge 50 is respectively connected with the second casing 10 and the display device 30, and the display device 30 is hinged with the second casing 10 through the damping hinge 50. So that the display angle of the display device 30 is adjusted such that the display device 30 can maintain the adjusted display angle. The damping hinge 50 is also called a torque hinge, an arbitrary stopping hinge or a torque rotating shaft;
preferably, the damping hinge 50 includes:
a first hinge member 51 connected to the second housing 10 and provided with a first hinge hole;
a second hinge 52 connected to the display device 30 and having a second hinge hole;
the adjusting bolt 53 is inserted into the first hinge hole and the second hinge hole, and the first hinge part 51 and the second hinge part 52 are hinged and connected through the adjusting bolt 53;
and a damping washer 54 sleeved on the adjusting bolt 53 and located between the first hinge hole and the second hinge hole, wherein the damping washer 54 is used for increasing damping of the second housing 10 and the display device 30 so as to maintain a relative position between the display device 30 and the second housing 10. The preload of the first hinge member 51, the second hinge member 52 and the damping washer 54 is adjusted by the adjusting bolt 53, so that the torque between the first hinge member 51 and the second hinge member 52 is adjusted.
The working principle of the damping hinge 50 is as follows:
adjusting the adjusting bolt 53 to make the torque of the first hinge 51 and the second hinge 52 slightly larger than the maximum torque generated by the display device 30, so that the display device 30 can maintain the relative position with the second housing 10;
when the relative position of the display device 30 and the second casing 10 needs to be changed, only an external force is required to act on the second casing 10 or the display device 30, so that the torque of the external force is larger than that of the damping hinge 50, and the second casing 10 or the display device 30 can rotate;
when the external force is removed, the torque of the first hinge member 51 and the second hinge member 52 is greater than the maximum torque generated by the display device 30, and the relative position of the display device 30 and the second housing 10 is maintained.
The problem that the display device 30 is hammered on the second housing 10 or rotated in a direction away from the second housing 10 when the external force is removed is avoided. Therefore, the tobacco laser code image capturing device has the advantages of convenience in use, stability in operation and long service life.
Preferably, the tobacco laser code image capturing device further includes:
a USB interface 43 disposed on the carrier panel 11 and electrically connected to the processor 40 for data transmission;
and a network cable interface 44 disposed on the carrier panel 11 and arranged in parallel with the USB interface 43. The network cable interface 44 is electrically connected to the processor 40, and is used for connecting to the internet and uploading the laser code image data.
A switch unit 45 disposed on the carrier panel 11 and electrically connected to the processor 40; the switch unit 45 is arranged in parallel with the USB interface 43; the switch unit 45 is located between the USB interface 43 and the network cable interface 44. So as to avoid the problem that the USB interface 43 is adjacent to the network cable interface 44, which causes the mutual interference between the connector inserted into the USB interface 43 and the connector inserted into the network cable interface 44. Therefore, the tobacco laser code image capturing device has the advantages of compact structure and convenience in use.
Preferably, the display device 30 includes:
a second cover plate 32 hinged to the second housing 10, the second cover plate 32 having an accommodating groove;
the display 31 is arranged in the accommodating groove; the display plane of the display 31 is spaced from the notch of the receiving groove by a first predetermined distance, where the first predetermined distance can be customized during production, typically between 3mm and 50mm. When the second cover plate 32 is closed with the second casing 10, the display 31 interferes with the bearing panel 11, so that a gap is left between the second cover plate 32 and the second casing 10 when the second cover plate is closed, and the tightness of the tobacco laser code image capturing device in a storage state is further affected, so that the tobacco laser code image capturing device is easily polluted by the outside. Therefore, the tobacco laser code image capturing device has the advantages of compact structure and long service life.
The maximum distance between the upper surface of the input device 41, the upper surface of the USB interface 43, the upper surface of the network cable interface 44, and the upper surface of the switch unit 45 and the upper surface of the carrier panel 11 is a second preset distance, and the first preset distance is greater than the second preset distance. So as to prevent the input device 41, the USB interface 43, the network cable interface 44 and the switch unit 45 of the second casing 10 from interfering with the display 31 when the second cover plate 32 is covered with the second casing 10. Therefore, the tobacco laser code image capturing device has the advantages of compact structure and long service life.
Preferably, the edge of the second cover plate 32 is provided with a sealing groove 33, and the edge of the second casing 10 is provided with a sealing protrusion 14 which is matched with the sealing groove 33; in the first state, the second cover plate 32 covers the second housing 10, and the sealing protrusion 14 is inserted into the sealing groove 33. So as to prevent pollutants such as dust, water and the like from polluting the tobacco laser code image capturing equipment. Meanwhile, the USB interface 43 and the network cable interface 44 are prevented from being polluted, which affects signal transmission. Therefore, tobacco laser sign indicating number gets for instance equipment has convenient storage and stores, long service life, moves stable advantage.
The power module 46 is electrically connected to the display 31, the tobacco laser code image capturing device 20, the processor 40, the barcode scanner 42, the first cooling fan 10d, and the second cooling fan 10f, respectively, and supplies power to the display 31, the tobacco laser code image capturing device 20, the processor 40, the barcode scanner 42, the first cooling fan 10d, and the second cooling fan 10 f.
Preferably, the tobacco laser code image capturing device further includes:
a locking member 15 disposed on an outer sidewall of the second housing 10 for maintaining the first state; so that the second housing 10 and the second cover plate 32 can well protect the tobacco laser code image capturing device.
And a handle 16 disposed on an outer sidewall of the second housing 10. So as to be convenient for carry tobacco laser code gets for instance equipment.
In summary, the invention has the following beneficial effects: the tobacco laser code image capturing device comprises a first shell 10; an imaging unit 20; the objective lens 30 is arranged on the first shell 10 and used for bearing the tobacco strips; a light source 40, said light source 40 being located within said first housing 10 for illuminating said strip of tobacco; a spectroscope 50 disposed in the first housing 10 for reflecting or refracting the light reflected from the packaged tobacco to the imaging unit 20; the light shielding plate 41 is located between the light source 40 and the beam splitter 50, and is used for blocking the light emitted by the light source 40 from being directly incident on the beam splitter 50, so as to prevent the light source 40 from irradiating on the imaging unit 20 to affect the imaging effect of the imaging unit 20. Therefore, the tobacco laser code image capturing device provided by the invention has the advantages of simple and compact structure, convenience in carrying, good imaging effect and the like.
Example 2
Referring to fig. 9, the embodiment 2 is a further improvement based on the tobacco laser code image capturing device of the embodiment 1, and the tobacco laser code image capturing device further includes:
a distance sensor 61 arranged on one side of the objective lens facing the spectroscope; specifically, the device is arranged on the objective lens clamping groove 23c and used for detecting whether the strip tobacco is placed on the objective lens 23 b.
In the second state, the distance sensor 61 detects that the cigarette carton is placed on the objective lens 23b, and drives the light source 40 to irradiate the cigarette carton, so as to collect the tobacco laser code image of the cigarette carton;
in the third state, the distance sensor 61 detects that the tobacco rod leaves the objective lens 23b, and the light source 40 is turned off, so as to avoid the problem that the strong light of the light source 40 irradiates the eyes of the operator, which causes discomfort to the operator. Therefore, the tobacco laser code image capturing device has the advantages of being safe and convenient to operate.
Preferably, the number of the distance sensors 61 is several, and several distance sensors 61 are disposed on the objective lens holding groove 23c at equal intervals to improve the detection accuracy. The distance sensor 61 comprises an infrared LED lamp and an infrared detector; the infrared LED lamp emits infrared rays, the infrared rays are reflected by the strip tobacco and then received by the infrared detector, and the intensity of the received infrared rays is judged to judge the distance.
Preferably, the tobacco laser code image capturing device further includes:
a package detection device 62 disposed at the bottom of the first casing 10 and located at a side of the beam splitter 50 away from the objective lens 23 b; the detection direction of the package detection device 62 is opposite to the objective lens 23b, and is used for detecting the package type of the strip-packaged tobacco, and further adjusting the brightness of the light source and adjusting the shooting parameters of the imaging unit 22, so that the image recognition rate of the tobacco laser code image is improved. A part of the light reflected from the packaged tobacco is reflected to the imaging unit 22 through the beam splitter, and a part of the light is transmitted to the package detection device 62 through the beam splitter; the package detecting device 62 includes an image sensor, and detects the package color type of the packaged tobacco, so as to adjust the brightness of the light source matching the package color type of the packaged tobacco, and the shooting parameters of the imaging unit 22, such as contrast, saturation, sharpness, hue, white balance, and the like. Therefore, the tobacco laser code image capturing device has the advantages of simple and compact structure and good imaging effect.
The above detailed description is made on the tobacco laser code image capturing device and the equipment provided by the invention, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and application scope, and in conclusion, the content of the present specification is only an embodiment of the present invention, and is not limited to the scope of the present invention, and all equivalent structures or equivalent procedures that are made by using the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention. And should not be construed as limiting the invention.
Claims (8)
1. The utility model provides a tobacco laser sign indicating number is like image equipment which characterized in that includes:
a second housing;
the partition plate is arranged in the second shell and used for dividing the second shell into a first accommodating cavity and a second accommodating cavity;
the bearing panel is covered on the openings of the first accommodating cavity and the second accommodating cavity; the bearing panel is provided with a first accommodating hole; the upper surface of the bearing panel is higher than or flush with the cavity opening so as to be convenient for placing and rotating the strip tobacco and avoid the strip tobacco and the second shell from colliding and interfering with each other when the strip tobacco is rotated;
the bar code scanner is arranged in the first accommodating cavity, and a scanning window of the bar code scanner is positioned on the bearing panel;
an image capturing device; the image capturing apparatus includes: a first housing; an imaging unit; the first cover plate is covered on the first shell, and the middle part of the first cover plate is provided with an image taking hole; a clamping groove for the objective lens is arranged around the image capturing hole; the objective lens is arranged on the first shell, covers the image taking hole, is clamped in the objective lens clamping groove and is used for bearing the tobacco strips; a light source within the first housing for illuminating the packaged tobacco rod; the spectroscope is arranged in the first shell and used for reflecting or refracting the light rays reflected from the strip tobacco to the imaging unit; the light shielding plate is positioned between the light source and the spectroscope and used for blocking light rays emitted by the light source from directly irradiating the spectroscope; the first spectroscope fixing plate and the second spectroscope fixing plate are arranged oppositely and jointly clamp the spectroscope; wherein the light source includes: the light source comprises a first bar-shaped light source, a second bar-shaped light source, a third bar-shaped light source and a fourth bar-shaped light source; the first strip-shaped light source and the second strip-shaped light source are oppositely arranged, and the third strip-shaped light source and the fourth strip-shaped light source are oppositely arranged; the imaging unit comprises a body and a lens, and the first shell is provided with a through hole for the lens to penetrate through; the body is fixed outside the first shell and covers the outer side of the through hole; the lens penetrates through the through hole and extends into the first shell;
the processor is arranged in the second accommodating cavity and is electrically connected with the image capturing device;
the first radiating fan corresponds to the first radiating hole in position and is arranged in the second accommodating cavity;
and the second shell is hinged and connected so as to adjust the display angle and store the display device.
2. The tobacco laser code image capturing device according to claim 1, wherein the image capturing device further comprises: and the light adjusting plate is positioned between the light source and the objective lens and used for scattering light emitted by the light source to form uniform distribution.
3. The tobacco laser code image capturing device as claimed in claim 2, wherein: the surface of the light adjusting plate facing the light source is a frosted surface subjected to frosting treatment.
4. The tobacco laser code image capturing device as claimed in claim 1, wherein: the included angle between the irradiation direction of the light source and the plane of the objective lens is alpha, and alpha is more than or equal to 30 degrees and less than or equal to 75 degrees.
5. The tobacco laser code image capturing device as claimed in claim 4, wherein the image capturing device further comprises: the light source fixing piece is arranged on the inner side wall of the first shell; the light source is hinged on the light source fixing piece.
6. The tobacco laser code image capturing device as claimed in claim 1, wherein the first spectroscope fixing plate is provided with a first fixing groove matched with the spectroscope; the second spectroscope fixing plate is provided with a second fixing groove matched with the spectroscope; the spectroscope is at least partially inserted into the first fixing groove and the second fixing groove.
7. The tobacco laser code image capturing device according to claim 6, wherein: an image capturing area is formed between the first spectroscope fixing plate and the second spectroscope fixing plate, and the light source is arranged outside the image capturing area.
8. The tobacco laser code image capturing device as claimed in claim 1, wherein the image capturing device further comprises:
the packaging detection device is arranged at the bottom of the first shell and is positioned on one side, away from the objective lens, of the spectroscope; the detection direction of the package detection device is opposite to the objective lens; the packaging type of the strip tobacco is detected; and the distance sensor is arranged on one side of the objective lens, which faces the spectroscope, and is used for detecting whether the strip tobacco is placed on the objective lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811151270.7A CN109388994B (en) | 2018-09-29 | 2018-09-29 | Tobacco laser code image capturing device and equipment |
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| CN201811151270.7A CN109388994B (en) | 2018-09-29 | 2018-09-29 | Tobacco laser code image capturing device and equipment |
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