CN203706225U - Laser transmitting device and barcode scanner - Google Patents
Laser transmitting device and barcode scanner Download PDFInfo
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- CN203706225U CN203706225U CN201420041471.2U CN201420041471U CN203706225U CN 203706225 U CN203706225 U CN 203706225U CN 201420041471 U CN201420041471 U CN 201420041471U CN 203706225 U CN203706225 U CN 203706225U
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- emitting device
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- laser beam
- beam emitting
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- 230000005291 magnetic effect Effects 0.000 claims description 27
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- 238000006073 displacement reaction Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a laser transmitting device, which comprises a laser generator used for generating laser and a first reflection mechanism used for reflecting the laser, wherein the first reflection mechanism comprises a mirror plane, a swing frame fixedly connected to the mirror plane, an underframe connected to the swing frame and an elastic piece, wherein two ends of the elastic piece are connected to the swing frame and the underframe respectively; and the swing frame can move relative to the underframe in the horizontal and vertical directions. The laser transmitting device enables the rigidity coefficient of an elastic sheet not to be uniform through arranging pores in the elastic sheet, thereby acquiring an 8-shaped scanning path. Compared with an existing straight line shaped scanning path, the 8-shaped scanning path can increase the scanning range, thereby being conducive to improving the work efficiency of a barcode scanner equipped with the laser transmitting device under a circumstance that a barcode is incomplete.
Description
Technical field
The utility model relates to scanning field, relates in particular to laser beam emitting device and barcode scanner.
Background technology
Along with expanding economy, the raising of people's living standard, the trading volume of the commercial enterprises such as each emporium, chain store increases thereupon, and assists the barcode scanner of transaction to be developed rapidly because it can conveniently read the bar code corresponding with commodity.Bar code is printed patterns, the unavoidable incomplete situation of pattern that there will be, the laser that laser beam emitting device in existing barcode scanner emits is " one " font, likely because laser scanning is in the damaged position of bar code, and cause bar code scan to complete, now, user needs multi-pass operations just can complete scanning motion.Make user's inconvenient operation, be unfavorable for user's use.
Foregoing is only understood the technical solution of the utility model in order to auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of laser beam emitting device and barcode scanner with identical inventive concept, is intended to make barcode scanner energy rapid scanning in the situation that part bar code is damaged.
For achieving the above object, the laser beam emitting device that the utility model provides comprises lasing laser generator and in order to reflect the first reflecting mechanism of laser, the elastic component that described the first reflecting mechanism comprises minute surface, is fixedly connected on the rocker of described minute surface, the underframe that is connected in described rocker, two ends are connected to described rocker and described underframe; Described rocker can produce with respect to described underframe the displacement of horizontal and vertical direction.
Preferably, described elastic component is shell fragment.
Preferably, comprise two described elastic components, elastic component is provided with the coating in order to solidify described elastic component near one end of described underframe described in any one in two described elastic components.
Preferably, described elastic component comprises the first elastic and the second elastic, and described the first elastic is fixedly connected with described the second elastic and is angle setting.
Preferably, described rocker comprises: in order to swing the swing arm of described minute surface, and in order to limit the limited post of described swing arm position;
Described underframe comprises: base and in order to limit the spacing hole of described limited post; Wherein,
Described spacing hole is opened on described base, and described limited post is arranged in described swing arm, described limited post and described spacing hole clearance fit.
Preferably, the second magnetic that also comprises the first magnetic and coordinate with described the first magnetic magnetic, described the first magnetic is arranged in described swing arm, and described the second magnetic is arranged at the position corresponding with described the first magnetic.
Preferably, described the first magnetic is permanent magnet, and described the second magnetic is electromagnet.
The barcode scanner that the utility model further provides, this barcode scanner comprises laser beam emitting device, this laser beam emitting device comprises lasing laser generator and in order to reflect the first reflecting mechanism of laser, the elastic component that described the first reflecting mechanism comprises minute surface, is fixedly connected on the rocker of described minute surface, the underframe that is connected in described rocker, two ends are connected to described rocker and described underframe; Described rocker can produce with respect to described underframe the displacement of horizontal and vertical direction.
In the utility model, make the stiffness coefficient on it inhomogeneous by hole is set on elastic sheet, thereby obtain " ∞ " shape scanning pattern.Compare existing " one " shape scanning pattern, " ∞ " shape scanning pattern can increase sweep limit, is conducive to improve the bar code that this laser beam emitting device is housed and sweeps the work efficiency of device in the damaged situation of bar code.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model laser beam emitting device one embodiment;
Fig. 2 is the structural representation of the first kind of way of the first reflecting mechanism of the utility model laser beam emitting device;
Fig. 3 is the structural representation of the second way of the first reflecting mechanism of the utility model laser beam emitting device;
Fig. 4 is the structural representation of the third mode of the first reflecting mechanism of the utility model laser beam emitting device;
Fig. 5 is the structure for amplifying schematic diagram at A place in Fig. 1.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, not in order to limit the utility model.
The utility model provides a kind of laser beam emitting device, sees figures.1.and.2, and Fig. 1 is the structural representation of the utility model laser beam emitting device one embodiment; Fig. 2 is the structural representation of the first kind of way of the first reflecting mechanism 20 of the utility model laser beam emitting device.
In an embodiment of the present utility model, this laser beam emitting device comprise lasing laser generator 10 and comprise minute surface 21 in order to reflect the first reflecting mechanism 20, the first reflecting mechanisms 20 of laser, be fixedly connected on the rocker 23 of minute surface 21, elastic component 24 that the underframe 22, the two ends that are connected in rocker 23 are connected to rocker 23 and underframe 22; Rocker 23 can produce with respect to underframe 22 displacement of horizontal and vertical direction.
Particularly, as depicted in figs. 1 and 2, underframe 22 is fixed on circuit board 30, and rocker 23 is connected with underframe 22 by two elastic sheets.Underframe 22 maintains static, and in the time that rocker 23 swings, swings in order to the minute surface 21 that reflects laser thereupon.In the time that the stiffness coefficient of two elastic sheets is identical, rocker 23 can not have swinging back and forth of drift angle, thereby the laser that laser generator penetrates can be swung in alignment by minute surface 21.The left end of superincumbent elastic sheet arranges a hole 90, makes above the stiffness coefficient of elastic sheet left end be less than elastic sheet right-hand member and the stiffness coefficient of elastic sheet below.In the time that rocker 23 swings, because two elastic sheets are subject to balanced power, and stiffness coefficient difference, there is certain deflection in the Thin Elastic sector-meeting, make rocker 23 deflection certain angles, thereby make minute surface 21 deflections, impel the laser reflecting away from minute surface 21 to have certain drift angle, swinging the result simultaneously acting on drift angle is that the laser that minute surface 21 reflects is " ∞ " shape.
In the present embodiment, make the stiffness coefficient on it inhomogeneous by hole 90 is set on elastic sheet, thereby obtain " ∞ " shape scanning pattern.Compare existing " one " shape scanning pattern, " ∞ " shape scanning pattern can increase sweep limit, is conducive to improve the bar code that this laser beam emitting device is housed and sweeps the work efficiency of device in the damaged situation of bar code.
Further, with reference to Fig. 2, elastic component 24 is preferably shell fragment.
Particularly, as shown in Figure 2, in the present embodiment, one end of shell fragment is fixedly connected with rocker 23, and the other end is fixedly connected with underframe 22.Shell fragment is preferably strip elastic sheet.Because shell fragment has elasticity, its regime of elastic deformation is large, and fatigue resistance coefficient is large, meets the demand that rocker 23 needs high frequencies swing back and forth.Due to the thin thickness of shell fragment, less driving force just can drive rocker 23 to swing, and is conducive to the realization of wobbling action again.
Further, with reference to Fig. 3, Fig. 3 is the structural representation of the second way of the first reflecting mechanism 20 of the utility model laser beam emitting device.Laser beam emitting device comprises that any one elastic component 24 in 24, two elastic components 24 of two elastic components is provided with the coating 100 in order to curing elastic part 24 in one end arbitrarily.
Particularly, as shown in Figure 3, the left end of elastic sheet is provided with glue-line in the above, and when after curable adhesive layer, the stiffness coefficient that scribbles the elastic sheet of glue-line end can be greater than the stiffness coefficient of the elastic sheet of the other parts that glue-line is not set.Thereby in the process swinging at rocker 23, rocker 23 can deflect, thereby the minute surface 21 on rocker 23 is deflected, thereby can obtain " ∞ " shape scanning pattern that we need.
In the present embodiment, change the stiffness coefficient of part shell fragment by glue-line is set on shell fragment, thereby change the scanning pattern of laser beam emitting device Emission Lasers.Certainly can also on shell fragment, change by other material layer is set in other embodiments, the stiffness coefficient of shell fragment.
Further, with reference to Fig. 4, Fig. 4 is the structural representation of the third mode of the first reflecting mechanism 20 of the utility model laser beam emitting device, and elastic component 24 comprises the first elastic and the second elastic, and the first elastic is fixedly connected with the second elastic and is angle setting.
Particularly, as shown in Figure 4, in the present embodiment, one end of shell fragment is folded, make shell fragment produce plastic deformation.In the time that rocker 23 swings, because the first elastic and the second elastic be not in the same face, when minute surface in the time that rocker 23 swings 21 can, along with the folding line 80 of shell fragment swings, make the angled swing of minute surface 21.
In the present embodiment, by folding line 80 is set on shell fragment, allow the angled setting of shell fragment, thereby change the scanning pattern of laser beam emitting device Emission Lasers.Be conducive to the sweep limit of expansion of laser light emitter Emission Lasers.
Further, with reference to Fig. 1, Fig. 2 and Fig. 5, Fig. 5 is the structure for amplifying schematic diagram at A place in Fig. 1.Rocker 23 comprises swinging the swing arm 231 of minute surface 21 and in order to limit the limited post 233 of swing arm 231 positions; Underframe 22 comprises base 222 and in order to limit the spacing hole 224 of limited post 233; Wherein, spacing hole 224 is arranged on base 222, and limited post is arranged in swing arm 231, limited post 233 and spacing hole 224 clearance fit.
Particularly, as shown in Figure 1, Figure 2 with shown in Fig. 5, base 222 is fixed by screws on circuit board 30, fixed leg 223 is fixedly connected with base 222 by tie-beam 221, one end of shell fragment is fixed on fixed leg 223, and the other end is fixedly connected with pendulum post 232, and pendulum post 232 is fixed in swing arm 231.Directly over base 222 top links 231, be provided with a spacing hole 224, the top of swing arm 231 is provided with a limited post 233, and limited post 233 is arranged in spacing hole 224, limited post 233 and spacing hole 224 clearance fit.In the time that swing arm 231 swings, shell fragment can be followed pendulum post 232 and be swung.
In the present embodiment; by the cooperation of limited post 233 and spacing hole 224; define the hunting range of swing arm 231; also just define the hunting range of elastic component 24; the amplitude that swing arm 231 is swung in swing process is not too large; in defining sweep limit, also protect elastic component 24 to be unlikely to distortion and damaged too greatly, be conducive to the permanent use of elastic component 24, be conducive to the use of laser beam emitting device.
Further, with reference to Fig. 2, laser beam emitting device also comprises the first magnetic 60 and the second magnetic 70, the first magnetics 60 of coordinating with the first magnetic 60 magnetic are arranged in swing arm 231, and the second magnetic 70 is arranged at the position corresponding with the first magnetic 60.
Particularly, as shown in Figure 2, the first magnetic 60 is preferably electromagnet, and the second magnetic 70 is preferably permanent magnet.Electromagnet is arranged at one end of swing arm 231, and permanent magnet is fixedly installed on circuit board 30, in the time of electromagnet no power, between electromagnet and permanent magnet, is attractive force, makes the length direction of swing arm 231 and electromagnet on same straight line; In the time that electromagnet is switched on, electromagnet and permanent magnet repel mutually, make the length direction of swing arm 231 and electromagnet not on same straight line, and the magnetic state of so continuous conversion electromagnet impels swing arm 231 to swing.
Further, with reference to Fig. 3, the first magnetic 60 is preferred permanent magnet, and the second magnetic 70 is preferably electromagnet.
Particularly, as shown in Figure 3, permanent magnet is arranged at one end of swing arm 231, and electromagnet is fixedly installed on circuit board 30, in the time of electromagnet no power, between permanent magnet and electromagnet, is attractive force, makes the length direction of swing arm 231 and electromagnet on same straight line; In the time that electromagnet is switched on, permanent magnet and electromagnet repel mutually, make the length direction of swing arm 231 and electromagnet not on same straight line, and the magnetic state of so continuous conversion electromagnet impels swing arm 231 to swing.
In the present embodiment, drive swing arm 231 by electromagnet and permanent magnet are set, make the laser of laser generator transmitting produce path, be conducive to the formation in " ∞ " shape path.
Laser beam emitting device also comprises the second reflecting mechanism 40 and light sensation mechanism 50.The process of Laser emission is, the second reflecting mechanism 40 is given the laser reflection of laser generator transmitting on the minute surface 21 of the first reflecting mechanism 20, and laser is reflected away by minute surface 21; After laser impinges upon in bar code, through bar code diffuse reflection, by light reflection to the first reflecting mechanism 20, light reflection is given the second reflecting mechanism 40 by the first reflecting mechanism 20, the second reflecting mechanism 40 by light focusing back reflection to light sensation mechanism 50, light sensation mechanism 50 responds to the reflected light receiving, and light signal is converted to electric signal transmission is for further processing to circuit board 30.
The utility model further proposes a kind of barcode scanner.
In the present embodiment, barcode scanner comprises laser beam emitting device, and the concrete structure of this laser beam emitting device, with reference to above-described embodiment, does not repeat them here.
The barcode scanner that the present embodiment proposes, launches the laser of " ∞ " shape by generating laser 10, realize the laser scanning of barcode scanner " ∞ " shape to bar code, is conducive to improve the sweep limit of barcode scanner, is conducive to user's use.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a laser beam emitting device, it is characterized in that, comprise lasing laser generator and in order to reflect the first reflecting mechanism of laser, the elastic component that described the first reflecting mechanism comprises minute surface, is fixedly connected on the rocker of described minute surface, the underframe that is connected in described rocker, two ends are connected to described rocker and described underframe; Described rocker can produce with respect to described underframe the displacement of horizontal and vertical direction.
2. laser beam emitting device as claimed in claim 1, is characterized in that, described elastic component is shell fragment.
3. laser beam emitting device as claimed in claim 2, is characterized in that, comprises two described elastic components, and elastic component is provided with the coating in order to solidify described elastic component in one end arbitrarily described in any one in two described elastic components.
4. laser beam emitting device as claimed in claim 2, is characterized in that, described elastic component comprises the first elastic and the second elastic, and described the first elastic is fixedly connected with described the second elastic and is angle setting.
5. laser beam emitting device as claimed in claim 1, is characterized in that, described rocker comprises: in order to swing the swing arm of described minute surface, and in order to limit the limited post of described swing arm position;
Described underframe comprises: base, and in order to limit the spacing hole of described limited post; Wherein,
Described spacing hole is opened on described base, and described limited post is arranged in described swing arm, described limited post and described spacing hole clearance fit.
6. laser beam emitting device as claimed in claim 5, it is characterized in that, the second magnetic that also comprises the first magnetic and coordinate with described the first magnetic magnetic, described the first magnetic is arranged in described swing arm, and described the second magnetic is arranged at the position corresponding with described the first magnetic.
7. laser beam emitting device as claimed in claim 6, is characterized in that, described the first magnetic is permanent magnet, and described the second magnetic is electromagnet.
8. a barcode scanner, is characterized in that, comprises laser beam emitting device as claimed in any of claims 1 to 7 in one of claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041471.2U CN203706225U (en) | 2014-01-22 | 2014-01-22 | Laser transmitting device and barcode scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041471.2U CN203706225U (en) | 2014-01-22 | 2014-01-22 | Laser transmitting device and barcode scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706225U true CN203706225U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041471.2U Expired - Lifetime CN203706225U (en) | 2014-01-22 | 2014-01-22 | Laser transmitting device and barcode scanner |
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| Country | Link |
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| CN (1) | CN203706225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392199A (en) * | 2014-12-10 | 2015-03-04 | 福建新大陆电脑股份有限公司 | Double-laser scanning equipment |
-
2014
- 2014-01-22 CN CN201420041471.2U patent/CN203706225U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104392199A (en) * | 2014-12-10 | 2015-03-04 | 福建新大陆电脑股份有限公司 | Double-laser scanning equipment |
| CN104392199B (en) * | 2014-12-10 | 2017-10-13 | 福建新大陆电脑股份有限公司 | dual laser scanning device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |