KR20170001290A - A improved laser range finder device - Google Patents
A improved laser range finder device Download PDFInfo
- Publication number
- KR20170001290A KR20170001290A KR1020150091058A KR20150091058A KR20170001290A KR 20170001290 A KR20170001290 A KR 20170001290A KR 1020150091058 A KR1020150091058 A KR 1020150091058A KR 20150091058 A KR20150091058 A KR 20150091058A KR 20170001290 A KR20170001290 A KR 20170001290A
- Authority
- KR
- South Korea
- Prior art keywords
- laser
- module
- optical module
- reflection mirror
- measuring apparatus
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention relates to an improved laser distance measuring apparatus, and more particularly, to an improved laser distance measuring apparatus comprising: a laser module emitting a laser for distance measurement; And a reflection mirror disposed on a vertically upper portion of the laser module, wherein the laser emitted from the laser module is reflected through the reflection mirror to be radiated to the outside, and the laser reflected back from the external object is reflected through the reflection mirror An optical module that reflects the light onto a laser sensor; A laser sensor disposed at a vertically lower portion of the reflective mirror of the optical module for receiving the returned laser reflected through the reflective mirror of the optical module; And a scan motor arranged to be axially coupled to an upper portion of the reflection mirror of the optical module and driving the mirror to rotate the reflection mirror of the optical module.
According to the improved laser distance measuring apparatus proposed by the present invention, there is provided an improved laser distance measuring apparatus comprising a laser module, an optical module, a laser sensor and a scan motor, wherein the optical module has only one reflecting mirror, By configuring the module and the laser sensor to be arranged and the scan motor being arranged above the optical module with the reflective mirror, the laser path is simplified with a simple optical structure that aligns only the axis between the laser axis and the reflective mirror It is possible to provide a design structure of a mechanical mechanism, thereby reducing the parts cost by simplifying the optical structure, and it is possible to further improve the assembly productivity and convenience at the time of mass production.
Further, according to the present invention, by configuring the scan motor to be axially coupled to the upper part of the optical module having the reflection mirror, it is possible to measure the distance of 0 to 270 degrees ahead of the rotation through the rotation of the scan motor, .
Description
The present invention relates to an improved laser distance measuring apparatus, and more particularly, to an optical distance measuring apparatus capable of measuring a distance of 0 to 270 degrees ahead through a rotation of a scan motor, The present invention relates to an improved laser distance measuring apparatus having a simplified mechanism.
In general, the Laser Range Finder is a device that measures the distance using a laser. Such a laser range finder measures the exact distance by emitting a laser toward an object of an external object and then detecting the reflected laser. In other words, the laser range finder consists of a laser module that generates a laser, a laser sensor that detects the laser reflected back from the target, and a controller that has a counter for time calculation. Measurements are made by aligning the line of sight of the measuring instrument with the laser axis, emitting a laser with good directionality, measuring the time it has been reflected from the target and calculating the distance.
1 is a functional block diagram showing a configuration of a general laser distance measuring apparatus. In the laser distance measuring apparatus shown in Fig. 1, the radiation path of the
2 is a functional block diagram showing another configuration of a general laser distance measuring apparatus. The laser distance measuring apparatus shown in FIG. 2 has a structure in which the launching portion of the
The present invention has been proposed in order to solve the above-mentioned problems of the previously proposed methods. The present invention provides a laser module, an optical module, a laser sensor and a scan motor, wherein the optical module has only one reflection mirror, A structure in which a laser module facing a vertical lower portion and a laser sensor are disposed and a scan motor is disposed above an optical module having a reflection mirror can be realized by a simple optical structure matching only the axis between the laser axis and the reflection mirror In addition, the present invention provides a design structure of a mechanical mechanism that simplifies the laser path, thereby reducing the parts cost through simplification of the optical structure, and further improving the assembly productivity and convenience in mass production. It is an object of the present invention to provide a laser distance measuring apparatus.
Further, according to the present invention, by configuring a scan motor that is axially coupled to an upper portion of an optical module having a reflective mirror, a distance of 0 to 270 degrees ahead is measured through rotation of the scan motor, It is another object of the present invention to provide an improved laser distance measuring device.
According to an aspect of the present invention, there is provided an improved laser distance measuring apparatus,
An improved laser distance measuring device,
A laser module emitting a laser for distance measurement;
And a reflection mirror disposed on a vertically upper portion of the laser module, wherein the laser emitted from the laser module is reflected through the reflection mirror to be radiated to the outside, and the laser reflected back from the external object is reflected through the reflection mirror An optical module that reflects the light onto a laser sensor;
A laser sensor disposed at a vertically lower portion of the reflective mirror of the optical module for receiving the returned laser reflected through the reflective mirror of the optical module; And
And a scan motor which is arranged to be axially coupled to the upper part of the reflection mirror of the optical module and drives the reflection mirror of the optical module to rotate.
Preferably,
And a controller for controlling the laser emission driving control of the laser module, the time count control of the reflected and returned laser received by the laser sensor, and the rotation driving of the scan motor.
More preferably, the controller includes:
The position and distance of the object of the external object can be calculated and provided through the control of the time factor using the laser reflected by the external object and received by the laser sensor.
Preferably, the laser distance measuring apparatus further comprises:
And can be applied to industrial safety equipment and security monitoring devices including an industrial unmanned robot for an AGV (Auto Guide Vehicle) that detects an obstacle so that an obstacle can be detected in advance in order to avoid an obstacle.
More preferably, the reflecting mirror of the optical module comprises:
By the rotation drive control of the scan motor, it is possible to measure the distance of 0 to 270 degrees in the forward direction by rotating 135 degrees in the left and right directions with respect to the forward center.
Still more preferably, the laser distance measuring apparatus further comprises:
A rectangular plate-shaped base plate;
A laser module disposed at an upper side of the base plate, a laser module disposed at a center of the lower portion of the base plate and a laser sensor disposed outside the laser module, and an optical module having a reflection mirror opposed to the laser module and the laser sensor, And a scan motor coupled to an upper portion of the optical module; And
And a controller box in which a controller electrically connected to the laser module, the laser sensor, and the scan motor, which is an internal structure of the measuring apparatus main body, is housed and installed on the other side of the base plate on which the measuring apparatus main body is installed .
According to the improved laser distance measuring apparatus proposed by the present invention, there is provided an improved laser distance measuring apparatus comprising a laser module, an optical module, a laser sensor and a scan motor, wherein the optical module has only one reflecting mirror, By configuring the module and the laser sensor to be arranged and the scan motor being arranged above the optical module with the reflective mirror, the laser path is simplified with a simple optical structure that aligns only the axis between the laser axis and the reflective mirror It is possible to provide a design structure of a mechanical mechanism, thereby reducing the parts cost by simplifying the optical structure, and it is possible to further improve the assembly productivity and convenience at the time of mass production.
Further, according to the present invention, by configuring the scan motor to be axially coupled to the upper part of the optical module having the reflection mirror, it is possible to measure the distance of 0 to 270 degrees ahead of the rotation through the rotation of the scan motor, .
1 is a functional block diagram showing a configuration of a general laser distance measuring apparatus.
Fig. 2 is a functional block diagram showing another configuration of a general laser distance measuring apparatus; Fig.
3 is a functional block diagram of a configuration of an improved laser distance measuring apparatus according to an embodiment of the present invention.
4 shows an overall perspective view of an improved laser distance measuring device according to an embodiment of the present invention.
FIG. 5 is a view showing a configuration different from the design layout of the improved laser distance measuring apparatus according to the embodiment of the present invention. FIG.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, in order that those skilled in the art can easily carry out the present invention. In the following detailed description of the preferred embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In the drawings, like reference numerals are used throughout the drawings.
In addition, in the entire specification, when a part is referred to as being 'connected' to another part, it may be referred to as 'indirectly connected' not only with 'directly connected' . Also, to "include" an element means that it may include other elements, rather than excluding other elements, unless specifically stated otherwise.
FIG. 3 is a functional block diagram of an improved laser distance measuring apparatus according to an embodiment of the present invention. FIG. 4 is a diagram illustrating an overall perspective configuration of an improved laser distance measuring apparatus according to an embodiment of the present invention. Fig. 3 and 4, an improved laser
The
The
The
The
The
The improved laser
4, the laser
FIG. 5 is a diagram illustrating a configuration of an improved laser distance measuring apparatus according to an embodiment of the present invention, which is different from the design layout structure of the apparatus. 5 shows a laser
According to the improved laser distance measuring apparatus of the present invention as described above, the laser path is simplified, the optical structure is simplified, the product cost can be reduced, and only the axis between the laser axis and the reflecting mirror is aligned It is possible to provide a structure in which the mass productivity is improved and a distance of a radius of 0 to 270 degrees ahead through the rotation of the optical module can be measured.
The present invention may be embodied in many other specific forms without departing from the spirit or essential characteristics of the invention.
100: An improved laser distance measuring device according to an embodiment of the present invention
101: base plate 102: measuring apparatus main body
103: controller box 110: laser module
120: optical module 121: reflective mirror
130: Laser sensor 140: Scan motor
150: controller
Claims (6)
A laser module 110 for emitting a laser for distance measurement;
And a reflection mirror 121 disposed on a vertically upper portion of the laser module 110. The laser beam emitted from the laser module 110 is reflected through the reflection mirror 121 and radiated to the outside, An optical module 120 that reflects the laser reflected from the object and returned to the laser sensor 130 through the reflective mirror 121;
A laser sensor 130 disposed at a vertically lower portion of the reflection mirror 121 of the optical module 120 to receive a laser reflected back through the reflection mirror 121 of the optical module 120; And
And a scan motor 140 disposed on the reflection mirror 121 of the optical module 120 so as to be axially coupled and driving the reflection mirror 121 of the optical module 120 to rotate the mirror. An improved laser distance measuring device.
A controller 150 for controlling the laser emission driving control of the laser module 110, the time count control of the reflected and returned laser received by the laser sensor 130, and the rotation driving of the scan motor 140 Wherein the laser distance measuring device comprises:
And the position and distance of an object of an external object are calculated and provided through the control of the time coefficient using the laser received by the laser sensor 130 after being reflected through the external object, .
And an industrial unmanned robot for an AGV (Auto Guide Vehicle) for detecting an obstacle so that an obstacle can be avoided in advance so as to avoid an obstacle when moving. The present invention relates to an improved laser distance measuring apparatus .
And the distance between 0 and 270 degrees in the forward direction can be measured by rotating the scan motor (140) by 135 degrees to the left and to the right with respect to the center of the front by the rotational drive control of the scan motor (140) .
A base plate 101 having a rectangular plate shape;
A laser module 110 disposed at the center of the lower portion of the base plate 101 and a laser sensor 130 disposed outside the laser module 110, And a reflection mirror 121 opposed to the laser sensor 130 and a scanning motor 140 coupled to an upper portion of the optical module 120, 102); And
The laser module 110, the laser sensor 130 and the scan motor 140, which are internal components of the measuring apparatus main body 102, are electrically connected to the other side of the base plate 101 on which the measuring apparatus main body 102 is installed, And a controller box (103) in which a controller (150) connected and connected is housed and installed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150091058A KR101737535B1 (en) | 2015-06-26 | 2015-06-26 | A improved laser range finder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150091058A KR101737535B1 (en) | 2015-06-26 | 2015-06-26 | A improved laser range finder device |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20170001290A true KR20170001290A (en) | 2017-01-04 |
KR101737535B1 KR101737535B1 (en) | 2017-05-23 |
Family
ID=57831531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020150091058A KR101737535B1 (en) | 2015-06-26 | 2015-06-26 | A improved laser range finder device |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101737535B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180108116A (en) * | 2017-03-24 | 2018-10-04 | 주식회사 히타치엘지 데이터 스토리지 코리아 | Distance measuring apparatus |
CN109211124A (en) * | 2018-10-31 | 2019-01-15 | 浙江德清龙立红旗制药机械有限公司 | Die size laser detection mechanism |
KR20200033373A (en) * | 2018-09-19 | 2020-03-30 | 전자부품연구원 | A lidar having a structure in which a light emitting axis and a light receiving axis coincide |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102136722B1 (en) * | 2018-01-23 | 2020-07-23 | 전자부품연구원 | A light emitting module and a scanning LiDAR having the same |
KR102212895B1 (en) * | 2019-03-21 | 2021-02-09 | 한국전자기술연구원 | A light emitting module and a scanning LiDAR having the same |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4200649B2 (en) | 2000-10-06 | 2008-12-24 | 株式会社明電舎 | Automatic guided vehicle position detection device |
JP5626770B2 (en) * | 2010-06-08 | 2014-11-19 | 株式会社Ihiエアロスペース | Laser distance measuring device |
EP2434312B1 (en) * | 2010-09-24 | 2013-01-16 | Sick AG | Laser scanner with light deflection means and angle indicator in one piece |
-
2015
- 2015-06-26 KR KR1020150091058A patent/KR101737535B1/en active IP Right Grant
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180108116A (en) * | 2017-03-24 | 2018-10-04 | 주식회사 히타치엘지 데이터 스토리지 코리아 | Distance measuring apparatus |
KR20200033373A (en) * | 2018-09-19 | 2020-03-30 | 전자부품연구원 | A lidar having a structure in which a light emitting axis and a light receiving axis coincide |
CN109211124A (en) * | 2018-10-31 | 2019-01-15 | 浙江德清龙立红旗制药机械有限公司 | Die size laser detection mechanism |
CN109211124B (en) * | 2018-10-31 | 2023-11-21 | 浙江德清龙立红旗制药机械有限公司 | Laser detection mechanism for die size |
Also Published As
Publication number | Publication date |
---|---|
KR101737535B1 (en) | 2017-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101737535B1 (en) | A improved laser range finder device | |
US20160170412A1 (en) | Autonomous mobile device and method for controlling same | |
US9739874B2 (en) | Apparatus for detecting distances in two directions | |
US20060145062A1 (en) | Optoelectronic detection device | |
KR102221864B1 (en) | LiDAR scanning device | |
KR102177333B1 (en) | Lidar scanning device capable of front and rear measurement | |
KR102438071B1 (en) | Lidar scanning device capable of front and rear measurement | |
EP2680031A1 (en) | Laser radar adjustment apparatus and method of adjusting laser radar | |
KR20180108116A (en) | Distance measuring apparatus | |
WO2020129720A1 (en) | Object detection device | |
WO2019064750A1 (en) | Distance measurement device and moving body | |
US7869006B2 (en) | Laser measuring device | |
KR20150130201A (en) | 3d scanner | |
US20230135740A1 (en) | Distance measurement device, and mounting orientation sensing method and mounting orientation sensing program for same | |
EP4198572A1 (en) | Lidar apparatus, lidar device and vehicle | |
WO2019181691A1 (en) | Distance measuring device, and moving body | |
KR102680547B1 (en) | Lidar apparatus using optical axis adjustment optical system and operating method thereof | |
WO2019058679A1 (en) | Distance measurement device and moving body provided with same | |
KR102537936B1 (en) | Vehicle surrounding sensing system having variable field of view | |
KR102065024B1 (en) | Distance measuring scanner and operating method thereof | |
WO2021128239A1 (en) | Ranging system and mobile platform | |
JP2003302209A (en) | Optical length measuring apparatus | |
WO2019181692A1 (en) | Distance measurement device and moving body | |
KR101696325B1 (en) | laser detector of perimeter column type | |
KR102680548B1 (en) | Lidar apparatus compensating for angular resolution deviation and operating method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
AMND | Amendment | ||
X701 | Decision to grant (after re-examination) |