CN203405574U - Laser two dimensional triangle method distance measuring instrument - Google Patents
Laser two dimensional triangle method distance measuring instrument Download PDFInfo
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- CN203405574U CN203405574U CN201320515956.6U CN201320515956U CN203405574U CN 203405574 U CN203405574 U CN 203405574U CN 201320515956 U CN201320515956 U CN 201320515956U CN 203405574 U CN203405574 U CN 203405574U
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Abstract
The utility model discloses a laser two dimensional triangle method distance measuring instrument. The laser two dimensional triangle method distance measuring instrument comprises a laser emission diode and a signal processor, and also comprises a bottom plate, a lens support, a collimating lens, a receiving support, a receiving lens and a two dimensional CCD. The lens support and the receiving support are arranged at the two ends of the bottom plate respectively and are arranged at the same side of the bottom plate, the laser emission diode and the collimating lens are arranged on the lens support, and the laser emission diode is arranged right above the collimating lens. The receiving lens and the two dimensional CCD are arranged on the receiving support, and the two dimensional CCD is arranged above the receiving lens and is connected with the signal processor. The laser two dimensional triangle method distance measuring instrument of the utility model is simple in structure, can measure and finish the position distance values of all points in a straight line simultaneously, and enables the distance measurement efficiency to be improved effectively. An image receiving part is based on the two dimensional CCD, so that the speed is fast, the linear degree is high, and the distance measurement precision and the stability are good.
Description
Technical field
The utility model belongs to laser range finder technical field, is specifically related to a kind of laser two-dimensional triangle measurement method instrument.
Background technology
In the laser triangulation stadimeter of prior art, conventionally be all the distance measuring method that adopts single-point, its generally can only a point of one-shot measurement distance, its restricted application, on need to measuring a bar line or a face during range data of a lot of points, the efficiency of spot measurement is lower, while measuring efficiency in order to improve, can only increase in addition the movement of a dimension direction, thereby obtain two-dimensional measurement data, thereby or obtain 3 d measurement data by increasing the movement of two dimension directions on the basis at single-point triangulation, although it can complete range observation and obtain two dimension or 3 d measurement data, it is lower that yet it measures efficiency, affected to a certain extent its practicality.
Summary of the invention
The purpose of this utility model is to provide the laser two-dimensional triangle measurement method instrument that efficiency is measured in a kind of raising simple in structure, effective.
The technical scheme that realizes the utility model object is: a kind of laser two-dimensional triangle measurement method instrument, comprise Laser emission diode and signal processor, also comprise base plate, lens carrier, collimation lens, receiving tray, receiver lens and two-dimensional CCD, described lens carrier and receiving tray are separately positioned on the two ends of described base plate, described lens carrier and receiving tray are arranged on the homonymy of described base plate, described Laser emission diode and described collimation lens are arranged on described lens carrier, described Laser emission diode be arranged on described collimation lens directly over, described receiver lens and described two-dimensional CCD are arranged on described receiving tray, described two-dimensional CCD is arranged on the top of described receiver lens, described two-dimensional CCD is connected with described signal processor.
Described base plate is that arc or bending arrange, and bending angle is greater than 150 degree and is less than 180 degree settings.
Described signal processor comprises image processing circuit, central processing circuit and interface circuit, the output terminal of described image processing circuit is connected with described central processing circuit, the output terminal of described central processing circuit is connected with described interface circuit, and the input end of described image processing circuit is connected with described two-dimensional CCD.
Its principle of work is summarized as follows: Laser emission diode Emission Lasers, laser beam becomes a fine rule after collimation lens focuses on, on testee, there is diffuse reflection in linear laser, wherein a part of laser focuses on two-dimensional CCD through receiver lens, because laser beam is into a fine rule, on line, each point is exactly the imaging corresponding to laser irradiation light on testee, by signal processor process, processed, can accurate calculate the position of laser beam on testee, thereby complete the distance value to the one word line irradiation position of laser on testee.
The utlity model has positive effect: of the present utility model simple in structure, its can measure simultaneously and complete on a word line positional distance value a little, effectively raise range finding efficiency, and image receiving unit adopts on two-dimensional CCD, its speed is fast, the linearity is high, its distance accuracy and good stability.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the theory diagram of signal processor of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 and Fig. 2 have shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model; Fig. 2 is the theory diagram of signal processor of the present utility model.
See Fig. 1 and Fig. 2, a kind of laser two-dimensional triangle measurement method instrument, comprise Laser emission diode 1 and signal processor, also comprise base plate 2, lens carrier 3, collimation lens 4, receiving tray 5, receiver lens 6 and two-dimensional CCD 7, described lens carrier 3 and receiving tray 5 are separately positioned on the two ends of described base plate 2, described lens carrier 3 and receiving tray 5 are arranged on the homonymy of described base plate 2, described Laser emission diode 1 and described collimation lens 4 are arranged on described lens carrier 3, described Laser emission diode 1 be arranged on described collimation lens 4 directly over, described receiver lens 6 and described two-dimensional CCD 7 are arranged on described receiving tray 5, described two-dimensional CCD 7 is arranged on the top of described receiver lens 6, described two-dimensional CCD 7 is connected with described signal processor.
Described base plate 2 is that arc or bending arrange, and bending angle is greater than 150 degree and is less than 180 degree settings.It arranges rationally, convenient reception laser beam imaging.
Described signal processor comprises image processing circuit, central processing circuit and interface circuit, the output terminal of described image processing circuit is connected with described central processing circuit, the output terminal of described central processing circuit is connected with described interface circuit, and the input end of described image processing circuit is connected with described two-dimensional CCD.
Its principle of work is summarized as follows: Laser emission diode 1 Emission Lasers, laser beam 8 becomes a fine rule after collimation lens focuses on, on testee 9, there is diffuse reflection in linear laser, wherein a part of laser focuses on two-dimensional CCD 7 through receiver lens 6, because laser beam 8 is into a fine rule, on line, each point is exactly the imaging corresponding to laser irradiation light on testee 9, by signal processor process, processed, can accurate calculate the position of laser beam on testee, thereby complete the distance value to the one word line irradiation position of laser on testee.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (3)
1. a laser two-dimensional triangle measurement method instrument, comprise Laser emission diode and signal processor, it is characterized in that: also comprise base plate, lens carrier, collimation lens, receiving tray, receiver lens and two-dimensional CCD, described lens carrier and receiving tray are separately positioned on the two ends of described base plate, described lens carrier and receiving tray are arranged on the homonymy of described base plate, described Laser emission diode and described collimation lens are arranged on described lens carrier, described Laser emission diode be arranged on described collimation lens directly over, described receiver lens and described two-dimensional CCD are arranged on described receiving tray, described two-dimensional CCD is arranged on the top of described receiver lens, described two-dimensional CCD is connected with described signal processor.
2. laser two-dimensional triangle measurement method instrument according to claim 1, is characterized in that: described base plate is that arc or bending arrange, and bending angle is greater than 150 degree and is less than 180 degree settings.
3. laser two-dimensional triangle measurement method instrument according to claim 2, it is characterized in that: described signal processor comprises image processing circuit, central processing circuit and interface circuit, the output terminal of described image processing circuit is connected with described central processing circuit, the output terminal of described central processing circuit is connected with described interface circuit, and the input end of described image processing circuit is connected with described two-dimensional CCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515956.6U CN203405574U (en) | 2013-08-22 | 2013-08-22 | Laser two dimensional triangle method distance measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320515956.6U CN203405574U (en) | 2013-08-22 | 2013-08-22 | Laser two dimensional triangle method distance measuring instrument |
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| CN203405574U true CN203405574U (en) | 2014-01-22 |
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| CN201320515956.6U Expired - Fee Related CN203405574U (en) | 2013-08-22 | 2013-08-22 | Laser two dimensional triangle method distance measuring instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200799A (en) * | 2014-08-26 | 2014-12-10 | 陈平川 | Device and method for detecting dynamic images of keys of keyboard instrument |
| CN105241386A (en) * | 2015-10-09 | 2016-01-13 | 中国水产科学研究院东海水产研究所 | Underwater cylindrical net cage model measuring method |
| CN105783746A (en) * | 2016-05-23 | 2016-07-20 | 南京林业大学 | Wooden product thickness detection system and detection method thereof |
| CN105783859A (en) * | 2016-03-31 | 2016-07-20 | 苏州触动电子科技有限公司 | High-precision control method of three-axis movement platform |
| CN107063116A (en) * | 2017-03-07 | 2017-08-18 | 宁波钢铁有限公司 | A kind of device for measuring coils of hot-rolled steel scroll |
| CN108955578A (en) * | 2018-07-11 | 2018-12-07 | 白贞兵 | A kind of photoelectric conversion device |
| WO2023272440A1 (en) * | 2021-06-28 | 2023-01-05 | 元素光电智能科技(苏州)有限公司 | Measurement and positioning system based on machine vision and laser triangulation |
-
2013
- 2013-08-22 CN CN201320515956.6U patent/CN203405574U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200799A (en) * | 2014-08-26 | 2014-12-10 | 陈平川 | Device and method for detecting dynamic images of keys of keyboard instrument |
| CN104200799B (en) * | 2014-08-26 | 2018-07-13 | 杭州随身教科技有限公司 | The motion image detection device and method of keyboard kind musical instrument key |
| CN105241386A (en) * | 2015-10-09 | 2016-01-13 | 中国水产科学研究院东海水产研究所 | Underwater cylindrical net cage model measuring method |
| CN105241386B (en) * | 2015-10-09 | 2018-01-05 | 中国水产科学研究院东海水产研究所 | Underwater cylindric net cage model measurement method |
| CN105783859A (en) * | 2016-03-31 | 2016-07-20 | 苏州触动电子科技有限公司 | High-precision control method of three-axis movement platform |
| CN105783859B (en) * | 2016-03-31 | 2019-03-05 | 苏州触动电子科技有限公司 | A kind of high-accuracy control method of triaxial movement platform |
| CN105783746A (en) * | 2016-05-23 | 2016-07-20 | 南京林业大学 | Wooden product thickness detection system and detection method thereof |
| CN107063116A (en) * | 2017-03-07 | 2017-08-18 | 宁波钢铁有限公司 | A kind of device for measuring coils of hot-rolled steel scroll |
| CN108955578A (en) * | 2018-07-11 | 2018-12-07 | 白贞兵 | A kind of photoelectric conversion device |
| WO2023272440A1 (en) * | 2021-06-28 | 2023-01-05 | 元素光电智能科技(苏州)有限公司 | Measurement and positioning system based on machine vision and laser triangulation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20200822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |