CN203733131U - All-round high speed laser bar code scanning device - Google Patents
All-round high speed laser bar code scanning device Download PDFInfo
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- CN203733131U CN203733131U CN201420064870.0U CN201420064870U CN203733131U CN 203733131 U CN203733131 U CN 203733131U CN 201420064870 U CN201420064870 U CN 201420064870U CN 203733131 U CN203733131 U CN 203733131U
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Abstract
The utility model discloses an all-round high speed laser bar code scanning device. The all-round high speed laser bar code scanning device comprises a base seat casing, wherein a central portion of the base seat casing is provided with a groove, periphery of the base seat casing is provided with three light source opening grooves, adjacent light source opening grooves form included angles of 120 DEG, three laser diodes are correspondingly fixed in the light source opening grooves, three reflector supports correspond to the light source opening grooves in one-to-one correspondence and are respectively provided with a light projection reflector and a light receiving reflector, a central portion of each light receiving reflector is provided with an opening hole, a central position of the groove is provided with a rotating reflector set, the rotating reflector set comprises a rotating motor and multiple reflectors arranged on side faces of the rotating motor, a boundary side face of the groove is provided with a circular row reflector set, a lower portion of the rotating reflector set is provided with light receiving opening grooves, adjacent light receiving opening grooves form included angles of 120 DEG, and each light receiving opening groove is equipped with a light-sensitive receiver tube. The all-round high speed laser bar code scanning device has advantages of wide scanning scope, fast scanning speed, high line number and good bar code recognition effects.
Description
Technical field
The utility model relates to bar code scan technical field, relates in particular to a kind of comprehensive high-rate laser bar code scanner.
Background technology
Bar code scanner, also referred to as bar-code reader, bar code scan rifle, bar code scanner, barcode scanner etc., be that one is utilized optical principle, will after the information decoding comprising of bar code, be transferred to the equipment of the devices such as computing machine by data line or wireless mode.Bar code scanner identification is accurate, data high input speed, and equipment is simple, cost is lower, is widely used in multiple fields such as business POS (Point Of Sale, point-of-sale terminal) POS, supermarket, express delivery, storage, logistics, books, medicine.
According to light source difference, bar code scanner can be divided into rainbow optical bar code scanner and laser (Laser, transliteration is radium-shine) barcode scanner.Rainbow optical bar code scanner is also referred to as CCD(Charge-coupled Device, charge coupled cell) imageing sensor, be to utilize photoelectric coupling principle, bar code printing pattern is carried out to imaging, and then decoding, its advantage be without rotating shaft, the life-span is long and cost is low; And laser bar code scanner is to utilize the single-line type scanner of laser diode as light source, it is all better than rainbow optical bar code scanner in sweep velocity, scanning distance, scan sensitivity etc., thereby having obtained application more widely, the scanner of main flow is laser bar code scanner in the market.
Traditional laser bar code scanner is provided with single LASER Light Source, and around LASER Light Source according to actual needs, on different angles of inclination, arrange multiple reflecting optics, be provided with a polygonal mirror at the middle position of above-mentioned multiple reflecting optics simultaneously, this polygonal mirror rotates under the driving of motor or motor, thereby realize the multi-faceted scanning linear light net being formed by single light source, as shown in Figure 1, can utilize this multi-faceted scanning linear light net to read the bar code information of carrying out to be measured.This traditional laser scanning device only can form scanning linear light net in limited angle, and number of scanning lines is less, in each preset angles, there are many single sweep traces 10, bar code to be measured must be placed in scanning linear light net and just can be correctly validated with suitable angle, has affected the effect that bar code reads.
Because laser scanning device is single-line type scanner, and one of key factor that affects bar code reading effect is the quantity of laser scanning line, be laser scanning device in the time projecting scanning linear light net to bar code to be measured, the quantity of the laser scanning line that this scanning linear light net projected in each moment can determine the recognition effect of this bar code to a great extent.As a rule the quantity of sweep trace is more, and the scanning effect of this device is better.
In order to improve the scanning effect of laser bar code scanister, Chinese patent (application number: the variable scanister and the method that 200310101759.0) have proposed a kind of laser bar-code reading apparatus, it is mainly by arranging a variable drive unit, make the polygonal mirror of the middle position in scanister, carry out the swing of predetermined variable angle and predetermined hunting frequency with an oscillation centre, thereby make each laser scanning line derive many sweep traces that are parallel to each other with it, as shown in Figure 2, if using original sweep trace 10 as datum line 10, after the improvement of this scheme, each datum line 10 all will derive many sweep traces that parallel with it 11.Therefore, the technological means that this technical scheme adopts is each sweep trace by doubling in original scanning linear light net, increases the sweep trace quantity of laser scanning device.
Although technique scheme has increased the quantity of laser scanning line, improve bar-code identification effect, but because it only repeats to increase the quantity that has sweep trace in original scanning linear light net, therefore only can in limited angle, form scanning linear light net, scan the scanning angle that linear light net covers and still fail to reach the comprehensive covering of 360 degree, can sweep limit little, the below of scanning linear light net is as shown in Figure 2 scan blind spot, bar code to be measured still need to be placed in scanning linear light net with certain angle and correct position, just can be correctly validated with alignment scanning line, bar-code identification effect and property easy to use are affected, and the slower defect of the sweep velocity of single LASER Light Source is still unresolved.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of comprehensive high-rate laser bar code scanner is provided, how to realize the structure of traditional laser bar code scanister is improved, increase the line number of sweep trace, and form omnibearing scanning linear light net, improve the identification accuracy to bar code to be measured, expand effective identified region.
For solving above technical matters, the utility model provides a kind of comprehensive high-rate laser bar code scanner, comprising:
One base housing, is provided with a groove in the middle of described base housing, described base housing surrounding be provided with three different angles, around the light source fluting of described groove;
In each described light source fluting, be built-in with respectively a laser diode; Each described light source fluting top is respectively arranged with a light projector catoptron and and receives light reflection mirror; Described receipts light reflection mirror is arranged on described light projector catoptron front, and described receipts light reflection mirror middle part is provided with a perforate;
The middle position of described groove is provided with a rotating mirror group; Described rotating mirror group is hexa-prism, and each cylinder arranges a catoptron;
Side, the border pressed on ring of described groove is shown a circular row catoptron group being made up of the reflecting optics of multiple different angles; Described circular row catoptron group comprises three groups and described light source fluting trapezoidal catoptron group one to one, and every group of trapezoidal catoptron group comprises three trapezoidal eyeglasses with a pre-determined tilt angle;
Described rotating mirror group below is provided with three and receives one to one light fluting with the position of described light source fluting;
On each described receipts light fluting, a photosensitive receiving tube is installed.
Preferably, between adjacent light source fluting, being mutually angle is 120 degree.
Further, described rotating mirror group also comprises an electric rotating machine, and is arranged on six catoptrons on described electric rotating machine lateral surface, and adjacent catoptron is mutually angle 120 and spends; Described six catoptrons rotate with a pre-set velocity under the control of described electric rotating machine.
Preferably, described photosensitive receiving tube is photodiode.
In one implementation, light projector catoptron and the receipts light reflection mirror of each described light source fluting top are arranged on described base housing by a mirror support.
Preferably, described bar code scanner is for carrying out scanning recognition to bar code and/or two-dimensional bar code.
Again further, described bar code scanner also comprises barcode data processor;
Described barcode data processor receives the electric signal that described photosensitive receiving tube is converted to, and described electric signal is carried out to data decode, obtains and is scanned bar code institute canned data.
Described barcode data processor is the arm processor of 32.
Further, described bar code scanner also comprises a formula structural housing, and the front of described seat formula structural housing adopts the transparent material manufacture that can normally pass through for laser beam.
The comprehensive high-rate laser bar code scanner that the utility model provides, by a light source fluting is set on the position of 120 degree in base housing surrounding, in each light source fluting, a laser diode is installed as LASER Light Source, and to the supporting corresponding light projector catoptron of each laser diode, receive light reflection mirror, the optical textures such as rotating mirror group and circular row catoptron group, therefore, through multiple reflections, the laser beam (being sweep trace) that each laser diode produces has at least covered the scanning area of 120 degree, therefore three LASER Light Source can project the comprehensive scanning linear light net of 360 degree, be placed in the bar code to be measured of this scanning linear light net without deliberately alignment scanning line can be identified, when rotating mirror group has six catoptrons, when circular row catoptron group has nine catoptrons, the laser bar code scanister that the utility model provides can produce the scanning linear light net of 54 lines, has improved the recognition effect of bar code, meanwhile, can control by the electric rotating machine rotating speed in control rotating mirror group the sweep velocity of this device, in the time that the sweep velocity of every sweep trace reaches 30 line per second, the scanister that the utility model provides can obtain the sweep velocity of 4860 line/seconds.The advantages such as the comprehensive high-rate laser bar code scanner that therefore, the utility model provides has that sweep limit is wide, sweep velocity is fast, line number is high and bar-code identification is effective.
Brief description of the drawings
Fig. 1 is the scanning linear light net schematic diagram that traditional laser scanner forms;
Fig. 2 is the scanning linear light net schematic diagram after prior art is improved conventional laser scanner;
Fig. 3 is the perspective view of an embodiment of the comprehensive high-rate laser bar code scanner that provides of the utility model;
Fig. 4 is the front view of the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3;
Fig. 5 is the part-structure cut-open view of the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3;
Fig. 6 is a kind of structural representation of the installation component in the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3;
Fig. 7 is the explosive view of the installation component that provides of the utility model Fig. 6;
Fig. 8 is a kind of structural representation of the rotating mirror group that provides of the utility model Fig. 3;
Fig. 9 is the schematic diagram of the scanning linear light net that forms of comprehensive high-rate laser bar code scanner that the utility model Fig. 3 provides;
Figure 10 is the polycrystalline substance schematic diagram of the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3;
Figure 11 is the seat formula structural housing structural representation of the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
Below in conjunction with Fig. 3～Figure 11, the structure of the comprehensive high-rate laser bar code scanner that the utility model is provided is elaborated.
Referring to Fig. 3, it is the perspective view of an embodiment of the comprehensive high-rate laser bar code scanner that provides of the utility model; Fig. 4 is the front view of the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3; Fig. 5 is the part-structure cut-open view of the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3.
In the present embodiment, preferably, described bar code scanner is for carrying out scanning recognition to bar code and/or two-dimensional bar code.
In the present embodiment, described comprehensive high-rate laser bar code scanner comprises:
One base housing 100; In the middle of described base housing 100, be provided with a groove 101, described base housing 100 surroundings be provided with three different angles, around the light source fluting of described groove 101, be that described base housing 100 surroundings are provided with three flutings of the light source around described groove 101 (being respectively the first light source fluting 102-1, secondary light source fluting 102-2 and the 3rd light source fluting 102-3), and preferably, for LASER Light Source is uniformly distributed, between adjacent light source fluting, being mutually angle is 120 degree; The first light source fluting 102-1, secondary light source fluting 102-2 and the 3rd light source fluting 102-3 can be used as three summits of equilateral triangle on Mathematical Morphology.Described comprehensive high-rate laser bar code scanner also comprises three laser diodes (comprising the first laser diode 201-1, the second laser diode 201-2 and the 3rd laser diode 201-3), respectively by an installation component one by one correspondence be fixed in described light source fluting, be respectively used to produce a light beam, and project away with the light beam projected path of being scheduled to; Particularly, the first laser diode 201-1 is arranged in the first light source fluting 102-1 by the first installation component 202-1; The second laser diode 201-2 is arranged in secondary light source fluting 102-2 by the second installation component 202-2; The 3rd laser diode 201-3 is arranged in the 3rd light source fluting 102-3 by the 3rd installation component 202-3.
The light beam wavelength of launching of each described laser diode is preferably 650nm(nanometer).Because the power density of the low level laser of 650nm is far smaller than the damage threshold of human body body and blood, therefore, wavelength is that the Ear Mucosa Treated by He Ne Laser Irradiation of 650nm can not cause tissue irreversible damage, even irradiate and also can not bring any danger to human body for a long time.
Referring to Fig. 6, be a kind of structural representation of the installation component in the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3, wherein the figure in Fig. 6 (a) is the perspective view of installation component; Figure (b) in Fig. 6 is the side sectional view of installation component.Referring to Fig. 7, it is the explosive view of the installation component that provides of the utility model Fig. 6.
In the present embodiment, identical for laser diode being arranged on to the structure of each installation component of corresponding light source fluting, the structure of each installation component is described taking the first installation component 202-1 as example.
Preferably, as shown in Figure 7, described installation component comprise one with the deck 2024 of described light source fluting pairing, and described laser diode is fixed on to the multiple accessories on described deck.Particularly, described in any, the accessory of installation component can comprise for connecting line 2021, pad 2022, and laser diode 2023 carries out position by pad 2022 and laser lead 2021 to be fixed; Preferably, described connecting line 2021 is FPC(Flexible Printed Circuit, flexible PCB) winding displacement; Particularly, laser diode 2023 is built in deck 2024, and can deck 2024 be fixed on base housing 100 by screw 2025; The accessory of described installation component also can further comprise for the spring 2026 of adjusting focal length and cover cover plate 2027, lens 2028 and the laser head 2029 at laser diode 2023, wherein laser head 2029 crown center positions are provided with a circular hole (not shown in Fig. 7), to retrain the transmit direction of laser beam.
In the present embodiment, in each described light source fluting, be built-in with respectively a laser diode; Each described light source fluting top is respectively arranged with a light projector catoptron and and receives light reflection mirror; Described receipts light reflection mirror is arranged on described light projector catoptron front, and described receipts light reflection mirror middle part is provided with a perforate; And light projector catoptron and the receipts light reflection mirror of each described light source fluting top can preferably be arranged on described base housing by a mirror support.
Particularly, as shown in Figure 3, described comprehensive high-rate laser bar code scanner also comprises three mirror supports (comprising the first mirror support 301-1, the second mirror support 301-2 and the 3rd mirror support 301-3), corresponding one by one with described light source fluting, be arranged on respectively corresponding described light source fluting top; Particularly, the first mirror support 301-1 is arranged on described the first light source fluting 102-1 top; The second mirror support 301-2 is arranged on described secondary light source fluting 102-2 top; The 3rd mirror support 301-3 is arranged on described the 3rd light source fluting 102-3 top.On each described mirror support, be respectively arranged with a light projector catoptron and and receive light reflection mirror; And described receipts light reflection mirror is arranged on described light projector catoptron front, described receipts light reflection mirror middle part is provided with a perforate.Particularly, as shown in Figure 3, the first light projector catoptron 302-1 and first is installed on the first mirror support 301-1 and receives light reflection mirror 303-1; The second light projector catoptron 302-2 and second is installed on the second mirror support 301-2 and receives light reflection mirror 303-2; The 3rd light projector catoptron 302-3 and the 3rd is installed on the 3rd mirror support 301-3 and receives light reflection mirror 303-3, and the perforate of the medium position of the first receipts light reflection mirror 303-1, the second receipts light reflection mirror 303-2 and the 3rd receipts light reflection mirror 303-3 is corresponding with the position of supporting light projector catoptron, so that each light projector catoptron reflects away the laser beam of the laser diode receiving through corresponding perforate.
Described comprehensive high-rate laser bar code scanner also comprises a rotating mirror group 400, be arranged on the middle position of described groove 101, described rotating mirror group 400 comprises an electric rotating machine 401 and is arranged on the polygonal mirror 402 on described electric rotating machine 401 sides, described polygonal mirror 402 under the control of described electric rotating machine 401 with a pre-set velocity V0 rotation.Preferably, described rotary reflection 400 is hexa-prism catoptron, and each cylinder arranges a catoptron.Described hexa-prism catoptron comprises six catoptrons that are arranged on described electric rotating machine lateral surface, and adjacent catoptron is mutually angle 120 and spends; Described six catoptrons rotate with pre-set velocity V0 under the control of described electric rotating machine.
Referring to Fig. 8, it is a kind of structural representation of the rotating mirror group that provides of the utility model Fig. 3; Wherein, the figure (a) in Fig. 8 is a kind of three-dimensional structure diagram of rotating mirror group, and figure (b) is the side sectional view of figure (a) rotating mirror group; Figure (c) is a kind of sectional structure chart of the electric rotating machine in rotating mirror group.
Particularly, described in the polygonal mirror 402 that is arranged on described electric rotating machine 401 sides formed by six catoptrons, and adjacent catoptron is mutually angle 120 and spends.As shown in Figure 8 (a), polygonal mirror 402 is arranged on electric rotating machine 401 outside surfaces, is a kind of column catoptron of six ribs, each cylinder arranges a catoptron, that is, column catoptron lateral surface is divided into six angles, and each angle arranges a catoptron.
Alternatively, rotating mirror group 400 is also provided with a wire 403 in electric rotating machine 401 bottoms, and for rotating mirror group 400 is powered, preferably, described wire 403 adopts FPC winding displacement to realize.In the present embodiment, when beam of laser light beam projects on polygonal mirror 402 arbitrarily, along with the rotation of electric rotating machine 401, can reflect respectively a branch of sweep trace by each face on polygonal mirror 402, and can control by controlling the rotating speed V0 of electric rotating machine 401 sweep velocity of this bar code scanner.
It should be noted that, the polygonal mirror 402 that the utility model embodiment provides includes but not limited to be made up of six catoptrons, can suitably increase according to actual needs the minute surface number of polygonal mirror 402, and can catoptron be set at the top of described electric rotating machine 401, to increase the number of scanning lines of bar code scanner, improve the recognition effect to bar code to be measured.
In the present embodiment, described comprehensive high-rate laser bar code scanner also comprises a circular row catoptron group 500 being made up of the reflecting optics of multiple different angles, particularly, the reflecting optics of multiple different angles of circular row catoptron group 500 difference circular row is on the side, border of described groove 100.
When concrete enforcement, described circular row catoptron group 500 comprises the trapezoidal catoptron group (be respectively first trapezoidal catoptron group 501, second trapezoidal catoptron group 502 and three trapezoidal catoptron group 503) of three groups of circular rows on the side, border of described groove 100, as shown in Figure 4, described circular row catoptron group 500 comprises three groups and described light source fluting trapezoidal catoptron group one to one,, and every group of trapezoidal catoptron group comprises three trapezoidal eyeglasses with a pre-determined tilt angle.When concrete enforcement, because each trapezoidal eyeglass all has certain angle of inclination, the optional base of using of the shape of described trapezoidal eyeglass is than the trapezoidal reflecting optics of the length of side of going to the bottom.And described rotating mirror group 400 belows are provided with three and receive one to one light fluting with the position of described light source fluting.
In the present embodiment, three of described comprehensive high-rate laser bar code scanner receive light fluting, be separately positioned on described rotating mirror group below, and at an angle to each other between adjacent receipts light fluting be 120 degree, and corresponding one by one with the position of described light source fluting.Particularly, as shown in Figure 4, receive light fluting and be respectively the first receipts light fluting 601-1 corresponding with the first light source fluting 102-1 for described three; The second receipts light fluting 601-2 corresponding with secondary light source fluting 102-2, and the three receipts light fluting 601-3 corresponding with the 3rd light source fluting 102-3; On each described receipts light fluting, a photosensitive receiving tube is installed, wherein, each photosensitive receiving tube does not draw in the accompanying drawings.In the present embodiment, described photosensitive receiving tube is photodiode (Photodiode), and it is a kind of photo-detector that light signal can be converted to electric current or voltage signal.
In the present embodiment, in light projector process: each described light projector catoptron is arranged on the working direction of described light beam projected path, the light beam that each described laser diode produces is projected to after corresponding light projector catoptron, through the perforate in described receipts light reflection mirror, be incident upon on a catoptron in described rotating mirror group 400, and after the secondary reflection of described circular row catoptron group 500, form 360 degree all standing trellis light nets, to realize the comprehensive scanning to bar code.
Receiving in photoreduction process: described receipts light reflection mirror to a catoptron of described circular row catoptron group 500, and collects in the passback beam reflection after bar code scan on described photosensitive receiving tube after the reflection of described circular row catoptron group 500.
Referring to Fig. 9, it is the schematic diagram of the scanning linear light net that forms of comprehensive high-rate laser bar code scanner that the utility model Fig. 3 provides.
In the present embodiment, because different angles is provided with three laser diodes, and at an angle to each other between laser diode be between two 120 °, the rotating mirror group 400 that is arranged on annular groove 101 middle positions is preferably provided with six catoptrons, the side of annular groove 101 is preferably provided with totally 9 the trapezoidal catoptrons corresponding with each laser diode, therefore, each LASER Light Source of the laser bar code scanister that the utility model provides can form 6 × 9=54 bar laser scanning line, as shown in Figure 9, the sweep trace of three LASER Light Source formation covers respectively different angles region, thereby form the trellis light net of 360 ° of comprehensive coverings, improve the depth of field of bar code scanner, in this scan light net arbitrarily towards bar code to be measured all can be scanned by laser beam, thereby there is hardly scan blind spot.
Further, in the present embodiment, can be by controlling the rotating speed of electric rotating machine 401, to improve the sweep velocity of laser bar code scanister.Especially, in the time that the rotational speed V0 of electric rotating machine 401 is 30 cycle per second, the scan velocity V s of the described bar code scanner that the utility model provides was 4860 line/seconds.Its computing method are: light source=4860, cycle per second × 3, Vs=54 line/(Zhou Guangyuan) × 30 line/s.
Referring to Figure 10, it is the polycrystalline substance schematic diagram of the comprehensive high-rate laser bar code scanner that provides of the utility model Fig. 3 embodiment.
Further, the comprehensive high-rate laser bar code scanner that the utility model provides also comprises barcode data processor;
Described barcode data processor, the electric signal being converted to for receiving described photosensitive receiving tube, and described electric signal is carried out to data decode, obtain and be scanned bar code institute canned data.
In the present embodiment, preferably, can be provided with in the bottom of described base housing 100 a PCB(Printed Circuit Board, printed circuit board (PCB)), and described barcode data processor and related peripheral circuit thereof are integrated on described pcb board 700.When concrete enforcement, on described pcb board 700, can further be provided with multiple data transmission interfaces, as the data network interface 701～703 in Figure 10, the bar code information that can barcode data processor be read by netting twine transfers to outer computer and carries out further analyzing and processing and use; And further the power interface of laser bar code scanister of the present utility model 704 is arranged on described pcb board 700.
When concrete enforcement, preferably, described barcode data processor is the arm processor of 32.Arm processor is 32 bit RISC(Reduced Instruction Set Computer, reduced instruction set computer) processor architecture, have that volume is little, a low-power consumption, low cost, high performance advantage.
Further, in the present embodiment, described comprehensive high-rate laser bar code scanner also comprises a formula structural housing 800, as shown in figure 11, the front of described seat formula structural housing 800 adopts the transparent material manufacture that can normally pass through for laser beam, wherein, the figure of Figure 11 (a) is the front view (FV) of seat formula structural housing, and the figure (b) of Figure 11 is the right view of seat formula structural housing.Seat formula structural housing 800 can be protected each structure in bar code scanner, in order to avoid in use damaged.
When concrete enforcement, described laser bar code scanister can further be provided with hummer, using the various voice prompts of hummer as a foundation that judges whether bar code is swept to, as: in the time having bar code to be scanned, hummer can sound 1, and when mistake appears in scanning, hummer sends another sound 2.Described laser bar code scanister also can arrange wireless communication module, and barcode data processor can be converted to wireless signal by the barcode data reading by this wireless communication module, sends to external treatment device to use or further analyzing and processing.
The comprehensive high-rate laser bar code scanner that the utility model provides, by a LASER Light Source (laser diode) is set respectively on the position of 120 degree in base housing surrounding, and be the supporting corresponding light projector catoptron of each LASER Light Source, receive light reflection mirror, the optical textures such as rotating mirror group and circular row catoptron group, structure to traditional scanister is improved, laser beam is through multiple reflections, preferably derive 54 sweep traces, increase number of scanning lines and formed the comprehensive scanning linear light net of 360 degree, be placed in the bar code to be measured of this scanning linear light net without deliberately alignment scanning line can be identified, improve the recognition effect of bar code, and can control by controlling electric rotating machine rotating speed in rotating mirror group the sweep velocity of this device, the advantages such as the comprehensive high-rate laser bar code scanner that therefore, the utility model provides has that sweep limit is wide, sweep velocity is fast, line number is high and bar-code identification is effective.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (10)
1. a comprehensive high-rate laser bar code scanner, is characterized in that, comprising:
One base housing, is provided with a groove in the middle of described base housing, described base housing surrounding be provided with three different angles, around the light source fluting of described groove; In each described light source fluting, be built-in with respectively a laser diode; Each described light source fluting top is respectively arranged with a light projector catoptron and and receives light reflection mirror; Described receipts light reflection mirror is arranged on described light projector catoptron front, and described receipts light reflection mirror middle part is provided with a perforate;
The middle position of described groove is provided with a rotating mirror group; Described rotating mirror group is hexa-prism, and each cylinder arranges a catoptron;
Side, the border pressed on ring of described groove is shown a circular row catoptron group being made up of the reflecting optics of multiple different angles; Described circular row catoptron group comprises three groups and described light source fluting trapezoidal catoptron group one to one, and every group of trapezoidal catoptron group comprises three trapezoidal eyeglasses with a pre-determined tilt angle;
Described rotating mirror group below is provided with three and receives one to one light fluting with the position of described light source fluting;
On each described receipts light fluting, a photosensitive receiving tube is installed.
2. comprehensive high-rate laser bar code scanner as claimed in claim 1, is characterized in that, between adjacent light source fluting, being mutually angle is 120 degree.
3. comprehensive high-rate laser bar code scanner as claimed in claim 1, it is characterized in that, described rotating mirror group also comprises an electric rotating machine, and is arranged on six catoptrons on described electric rotating machine lateral surface, and adjacent catoptron is mutually angle 120 and spends; Described six catoptrons rotate with a pre-set velocity under the control of described electric rotating machine.
4. comprehensive high-rate laser bar code scanner as claimed in claim 3, is characterized in that, described photosensitive receiving tube is photodiode.
5. comprehensive high-rate laser bar code scanner as claimed in claim 1, is characterized in that, light projector catoptron and the receipts light reflection mirror of each described light source fluting top are arranged on described base housing by a mirror support.
6. the comprehensive high-rate laser bar code scanner as described in claim 1～5 any one, is characterized in that, described bar code scanner is for carrying out scanning recognition to bar code and/or two-dimensional bar code.
7. comprehensive high-rate laser bar code scanner as claimed in claim 6, is characterized in that, described bar code scanner also comprises barcode data processor;
Described barcode data processor receives the electric signal that described photosensitive receiving tube is converted to, and described electric signal is carried out to data decode, obtains and is scanned bar code institute canned data.
8. comprehensive high-rate laser bar code scanner as claimed in claim 7, is characterized in that, described installation component comprise one with the deck of described light source fluting pairing, and described laser diode is fixed on to the multiple accessories on described deck.
9. comprehensive high-rate laser bar code scanner as claimed in claim 8, is characterized in that, described barcode data processor is the arm processor of 32.
10. comprehensive high-rate laser bar code scanner as claimed in claim 9, is characterized in that, described bar code scanner also comprises a formula structural housing, and the front of described seat formula structural housing adopts the transparent material manufacture that can normally pass through for laser beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420064870.0U CN203733131U (en) | 2014-02-13 | 2014-02-13 | All-round high speed laser bar code scanning device |
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| CN201420064870.0U CN203733131U (en) | 2014-02-13 | 2014-02-13 | All-round high speed laser bar code scanning device |
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| CN203733131U true CN203733131U (en) | 2014-07-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120615A1 (en) * | 2014-02-13 | 2015-08-20 | 广东旭龙物联科技股份有限公司 | All-directional high-speed laser bar code scanning apparatus |
| CN105550620A (en) * | 2016-02-02 | 2016-05-04 | 福建新大陆电脑股份有限公司 | Bar code recognition device PCB circuit board structure |
| CN105574464A (en) * | 2016-02-02 | 2016-05-11 | 福建新大陆电脑股份有限公司 | Bar code reading device |
| CN106056024A (en) * | 2016-07-11 | 2016-10-26 | 深圳市兴通物联科技有限公司 | Light path structure and coding scanning and reading method |
| CN106066984A (en) * | 2016-07-11 | 2016-11-02 | 深圳市兴通物联科技有限公司 | Laser bar code scan decoder control circuit and barcode scanner |
| CN106066985A (en) * | 2016-07-11 | 2016-11-02 | 深圳市兴通物联科技有限公司 | Laser bar code scanner hardware circuit |
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2014
- 2014-02-13 CN CN201420064870.0U patent/CN203733131U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015120615A1 (en) * | 2014-02-13 | 2015-08-20 | 广东旭龙物联科技股份有限公司 | All-directional high-speed laser bar code scanning apparatus |
| CN105550620A (en) * | 2016-02-02 | 2016-05-04 | 福建新大陆电脑股份有限公司 | Bar code recognition device PCB circuit board structure |
| CN105574464A (en) * | 2016-02-02 | 2016-05-11 | 福建新大陆电脑股份有限公司 | Bar code reading device |
| CN105574464B (en) * | 2016-02-02 | 2018-05-08 | 福建新大陆电脑股份有限公司 | Bar code recognizing apparatus |
| CN105550620B (en) * | 2016-02-02 | 2018-05-08 | 福建新大陆电脑股份有限公司 | Bar code recognizing apparatus PCB circuit board structure |
| CN106056024A (en) * | 2016-07-11 | 2016-10-26 | 深圳市兴通物联科技有限公司 | Light path structure and coding scanning and reading method |
| CN106066984A (en) * | 2016-07-11 | 2016-11-02 | 深圳市兴通物联科技有限公司 | Laser bar code scan decoder control circuit and barcode scanner |
| CN106066985A (en) * | 2016-07-11 | 2016-11-02 | 深圳市兴通物联科技有限公司 | Laser bar code scanner hardware circuit |
| CN106056024B (en) * | 2016-07-11 | 2019-07-16 | 深圳市兴通物联科技有限公司 | Light channel structure and its barcode scanning reading code method |
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