CN103760669A - Multi-faced rotary prism motor device for laser scanning device - Google Patents
Multi-faced rotary prism motor device for laser scanning device Download PDFInfo
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- CN103760669A CN103760669A CN201410053220.0A CN201410053220A CN103760669A CN 103760669 A CN103760669 A CN 103760669A CN 201410053220 A CN201410053220 A CN 201410053220A CN 103760669 A CN103760669 A CN 103760669A
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- prism
- rotating prism
- rotary prism
- lasers
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Abstract
The invention discloses a multi-faced rotary prism motor device for a laser scanning device. The multi-faced rotary prism motor device comprises a rotary prism. The rotary prism is in a polyhedron shape, the lateral faces of the rotary prism are reflection mirror surfaces, a rotary shaft in driving connection with a motor is arranged in the center of the rotary prism, at least one of the reflection mirror surfaces of the rotary prism is an inwards concave arc face, and the other lateral faces are planes. After the motor of the prism rotates, reflected lasers are in a circular-and-shuttle-shape complementary condition, after the prism is improved, the inwards-concave lateral face enables original circular lasers to be deformed to be in the condition that the shuttle-shaped lasers and the circular lasers are complemented, the shuttle-shaped lasers can easily penetrate through gaps between high-density bar codes, and the reading aim is achieved.
Description
Technical field
The present invention relates to a kind of prism motor apparatus, particularly a kind of laser scanner multifacet rotating prism motor apparatus.
Background technology
As shown in Figure 1, prism surface in existing prism motor apparatus is plane, now, through prismatic reflection laser later, be rendered as round shape, diameter is larger, while facing the high-res bar code of 3mil, circle shape laser there will be the situation (bar code is comprised of bar code and space) that simultaneously touches bar code and space, now scanner cannot normally be understood, and causes decoding error, affects decoding efficiency.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides the laser scanner multifacet rotating prism motor apparatus after a kind of improvement, can correctly understand highdensity bar code.
The present invention for the technical scheme that solves its technical matters and adopt is: a kind of laser scanner multifacet rotating prism motor apparatus, comprise rotating prism, described rotating prism is polyhedral, its side is mirror surface, rotating prism center is provided with motor and drives the turning axle being connected, it is the arc surface concaving that the side of described rotating prism has a mirror surface at least, and all the other are plane.
As a further improvement on the present invention, the xsect of described rotating prism is square, and in 4 mirror surfaces of its side, two relative mirror surfaces are the arc surface concaving, and two other relative mirror surface is plane.
As a further improvement on the present invention, the xsect of described rotating prism is that positive hexagon is square, and in 6 mirror surfaces of its side, two relative mirror surfaces are the arc surface concaving, and remaining mirror surface is plane.
The invention has the beneficial effects as follows: the present invention changes at least one level crossing of existing multifaceted prism motor into side concave shape, residue is still plane, after prism revolution, the laser reflecting presents situation circular and shuttle shape complementation, the prism after repacking, and the side of indent can be by original round shape laser, be deformed into the situation of shuttle shape laser and circular laser complementation, in the face of highdensity bar code, shuttle shape laser can easily pass bar code gap, reaches the object of deciphering.
Accompanying drawing explanation
Fig. 1 is existing multifaceted prism motor configuration schematic diagram;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the schematic diagram of embodiment 1;
Fig. 4 is the schematic diagram of embodiment 2;
In figure, indicate: 1-rotating prism; 2-turning axle.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
Fig. 2 shows a kind of laser scanner of the present invention and comprises rotating prism 1 with multifacet rotating prism motor apparatus, described rotating prism 1 is polyhedral, its side is mirror surface, rotating prism center is provided with motor and drives the turning axle 2 being connected, it is the arc surface concaving that the side of described rotating prism 1 has a mirror surface at least, and all the other are plane.
Embodiment 1: the xsect of described rotating prism 1 is square, and in 4 mirror surfaces of its side, two relative mirror surfaces are the arc surface concaving, and two other relative mirror surface is plane.
Embodiment 2: the xsect of described rotating prism 1 is that positive hexagon is square, and in 6 mirror surfaces of its side, two relative mirror surfaces are the arc surface concaving, and remaining mirror surface is plane.
By the lateral plane mirror of rotating prism 1 being changed to the arc surface catoptron concaving, originally the round shape laser after reflection is deformed into the situation of shuttle shape laser and circular laser complementation, in the face of highdensity bar code, shuttle shape laser can easily pass bar code gap, reaches the object of deciphering.
Claims (3)
1. a laser scanner multifacet rotating prism motor apparatus, comprise rotating prism (1), described rotating prism (1) is polyhedral, its side is mirror surface, rotating prism center is provided with motor and drives the turning axle (2) being connected, it is characterized in that: it is the arc surface concaving that the side of described rotating prism (1) has a mirror surface at least, and all the other are plane.
2. laser scanner according to claim 1 multifacet rotating prism motor apparatus, it is characterized in that: the xsect of described rotating prism (1) is square, in 4 mirror surfaces of its side, two relative mirror surfaces are the arc surface concaving, and two other relative mirror surface is plane.
3. laser scanner according to claim 1 multifacet rotating prism motor apparatus, it is characterized in that: the xsect of described rotating prism (1) is that positive hexagon is square, in 6 mirror surfaces of its side, two relative mirror surfaces are the arc surface concaving, and remaining mirror surface is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053220.0A CN103760669A (en) | 2014-02-18 | 2014-02-18 | Multi-faced rotary prism motor device for laser scanning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053220.0A CN103760669A (en) | 2014-02-18 | 2014-02-18 | Multi-faced rotary prism motor device for laser scanning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103760669A true CN103760669A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410053220.0A Pending CN103760669A (en) | 2014-02-18 | 2014-02-18 | Multi-faced rotary prism motor device for laser scanning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103760669A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106778423A (en) * | 2016-12-31 | 2017-05-31 | 沈炜 | Stabilization bar code scanner |
| CN107561691A (en) * | 2016-06-30 | 2018-01-09 | 秦倞 | Rotary laser galvanometer |
| WO2021057569A1 (en) * | 2019-09-26 | 2021-04-01 | 威海北洋电气集团股份有限公司北京分公司 | Rotatable reflecting head and laser scanning apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039184A (en) * | 1988-06-24 | 1991-08-13 | Fujitsu Limited | Optical beam scanner for bar-code |
| JPH08234131A (en) * | 1995-02-24 | 1996-09-13 | Nec Corp | Rotary polygon mirror |
| US6053409A (en) * | 1996-03-07 | 2000-04-25 | Accu-Sort Systems, Inc. | Dynamic focusing apparatus for an optical imaging system using a deformable mirror |
| CN203274924U (en) * | 2013-05-24 | 2013-11-06 | 公安部第三研究所 | Handy-type wide-view infrared telemetering scanning mechanism |
| CN203745729U (en) * | 2014-02-18 | 2014-07-30 | 苏州德沃智能系统有限公司 | Multi-facet rotating prism motor device for laser scanner |
-
2014
- 2014-02-18 CN CN201410053220.0A patent/CN103760669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5039184A (en) * | 1988-06-24 | 1991-08-13 | Fujitsu Limited | Optical beam scanner for bar-code |
| JPH08234131A (en) * | 1995-02-24 | 1996-09-13 | Nec Corp | Rotary polygon mirror |
| US6053409A (en) * | 1996-03-07 | 2000-04-25 | Accu-Sort Systems, Inc. | Dynamic focusing apparatus for an optical imaging system using a deformable mirror |
| CN203274924U (en) * | 2013-05-24 | 2013-11-06 | 公安部第三研究所 | Handy-type wide-view infrared telemetering scanning mechanism |
| CN203745729U (en) * | 2014-02-18 | 2014-07-30 | 苏州德沃智能系统有限公司 | Multi-facet rotating prism motor device for laser scanner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561691A (en) * | 2016-06-30 | 2018-01-09 | 秦倞 | Rotary laser galvanometer |
| CN106778423A (en) * | 2016-12-31 | 2017-05-31 | 沈炜 | Stabilization bar code scanner |
| WO2021057569A1 (en) * | 2019-09-26 | 2021-04-01 | 威海北洋电气集团股份有限公司北京分公司 | Rotatable reflecting head and laser scanning apparatus |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140430 |