CN212569382U - Laser light source device and shooting equipment - Google Patents

Laser light source device and shooting equipment Download PDF

Info

Publication number
CN212569382U
CN212569382U CN202021939649.7U CN202021939649U CN212569382U CN 212569382 U CN212569382 U CN 212569382U CN 202021939649 U CN202021939649 U CN 202021939649U CN 212569382 U CN212569382 U CN 212569382U
Authority
CN
China
Prior art keywords
laser light
light source
barrel
lens
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021939649.7U
Other languages
Chinese (zh)
Inventor
彭彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Kejia General Mechanical and Electrical Co Ltd
Original Assignee
Harbin Kejia General Mechanical and Electrical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Kejia General Mechanical and Electrical Co Ltd filed Critical Harbin Kejia General Mechanical and Electrical Co Ltd
Priority to CN202021939649.7U priority Critical patent/CN212569382U/en
Application granted granted Critical
Publication of CN212569382U publication Critical patent/CN212569382U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Studio Devices (AREA)

Abstract

The utility model relates to the field of image acquisition, in particular to a laser light source device and shooting equipment, which aims to solve the problems that the angle can not approach 180 degrees easily when the 180-degree laser light path is formed in the prior art, or bright lines and dark lines are formed after scanning, the utility model comprises a connecting piece and a laser light source; laser source passes through the connecting piece to be connected fixedly, laser source includes barrel, optic fibre, lens and outer cone speculum, and the linear array camera of taking wide angle camera lens can use with laser source combination, and the laser source interval is wider, and light is less that the linear array camera of taking wide angle camera lens sheltered from, and light source device is at 180 degrees within ranges light-emitting, can compensate the camera simultaneously and to the sheltering from of light-emitting angle, and the light path is even basically to realize wide angle shooting of wide angle camera lens linear array camera.

Description

Laser light source device and shooting equipment
Technical Field
The utility model relates to an image acquisition field, concretely relates to laser light source device and shooting equipment.
Background
The wide-angle lens with the visual angle close to 180 degrees is commonly called as a fisheye lens, the visual angle range is wide, and a camera can achieve a large shooting range. The linear array scanning camera using the wide-angle lens of 180 degrees can also achieve a large shooting range, but the linear array camera is often used in cooperation with laser when in use, and because the shooting width of the linear array camera is basically overlapped with the laser width of a laser, the central plane of the camera is required to be overlapped with the light of the laser. When the lens is installed in this way, even if a 180-degree wide-angle lens is used, a laser path close to 180 degrees cannot be formed because the camera blocks light or the laser blocks the lens. If the multiple lasers are placed side by side, bright lines or dark lines are formed after scanning due to superposition of light paths, and the photographing effect is affected.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model discloses a solve current mode when wanting to form 180 degrees laser light paths, easily produce the angle and can't be close 180 degrees, or form the problem of bright line, dark line after the scanning, the utility model provides a laser light source device and shooting equipment, the utility model discloses can be at 180 degrees within ranges light-emitting, can compensate the camera simultaneously and to the sheltering from of light-emitting angle, the light path is basically even. Therefore, wide-angle shooting of the wide-angle lens linear array camera is realized.
The utility model discloses a through following scheme implementation: a laser light source device comprises a connecting piece and N laser light sources;
n laser light source passes through the connecting piece and connects fixedly, and N laser light source all is used for providing 180 degrees laser light path, and N is more than or equal to 1's positive integer, and when N was greater than 1, N laser light source set up side by side along same direction, and N laser light path's light-emitting direction is the same.
Further, the laser light source comprises a cylinder, an optical fiber, a lens and an external cone reflector;
the optical fiber is arranged at one end of the cylinder along the axial direction of the cylinder;
the lens and the outer conical reflector are sequentially arranged in the cylinder body along the direction from one end of the cylinder body to the other end of the cylinder body;
and the side wall of the cylinder corresponding to the outer conical reflector is provided with a degree notch taking the axis of the cylinder as a reference, so that the laser reflected by the outer conical reflector is transmitted out of the 180-degree notch to form a 180-degree laser light path.
Still further, the connecting piece is a plate; the connecting piece is provided with M mounting holes, each mounting hole is used for mounting the laser light source, the mounting holes are matched with the barrel, and M is a positive integer larger than or equal to N. Furthermore, the axis of the optical fiber, the axis of the lens and the axis of the outer conical reflector are all on the same straight line with the axis of the cylinder, and the outer conical surface of the outer conical reflector is arranged in a contracting mode towards one end of the cylinder.
Still further, the barrel is horizontally arranged, the other end of the barrel close to the end is provided with the 180-degree notch, and the 180-degree notch is arranged upwards.
Further, the air conditioner is provided with a fan,
the barrel body comprises a focusing handle, a barrel, a lens mounting rack and a rotating barrel;
the focusing handle, the barrel, the lens mounting rack and the rotary barrel are sequentially connected from one end to the other end,
the optical fiber is arranged at the end part of one end of the focusing handle;
the lens is arranged inside the lens mounting frame;
the 180-degree notch is arranged on the rotary cylinder, the outer conical reflector is arranged in the rotary cylinder,
the other end of the rotary cylinder is provided with a reflector fixing frame and a cover plate;
one end of the reflector fixing frame is inserted into the rotating cylinder, the outer conical reflector is installed on the reflector fixing frame, the radial edge of the reflector fixing frame is connected with the rotating cylinder, and the other end of the reflector fixing frame is connected with the cover plate. Still further, the outer diameter of the barrel is smaller than the outer diameter of the lens mounting bracket; a connecting plate close to the lens mounting rack is arranged outside the barrel; the connecting piece and the connecting plate are connected through a fastener.
Further, the lower extreme in connecting piece middle part is equipped with the camera connecting plate.
A photographing apparatus, the photographing apparatus comprising:
a laser light source device according to any one of claims 1 to 8;
the X cameras are arranged on the side portions of the laser light sources of the laser light source devices, the shooting directions of the cameras are the same as the light emitting directions of the laser light paths, and X is a positive integer greater than or equal to 1. Further, the camera comprises a 180-degree wide-angle lens, the 180-degree wide-angle lens is located above the camera shooting end of the camera, and the axis of the 180-degree wide-angle lens is perpendicular to the axis of the barrel of the laser light source. Has the advantages that:
after the circular telegram back, laser gets into the cavity at lens mounting bracket place, and behind the lens, light assembles into a cylinder, shines on the outer cone speculum, by outer cone speculum reflection back, forms a 360 degrees light rings, and the light of light ring through 180 degrees light-emitting tube backs, and the light of lower part is blocked, and only and linear array camera scanning surface coincidence's light is passed through, satisfies the requirement of formation of image.
Because the 180-degree light of the single laser light source can be partially shielded by the lens of the linear array camera, two laser light sources are distributed on two sides of the linear array camera, and the shielded light can be compensated. The 180-degree light outgoing of the two laser light sources only has a small angle and cannot be superposed, and the rest of the light outgoing angles are superposed, so that the light path is uniform, and the photographing effect is ideal.
Drawings
FIG. 1 is a structural view of embodiment 1 of the present invention;
FIG. 2 is a front view of the present invention in FIG. 1;
fig. 3 is a top view of the present invention shown in fig. 1;
fig. 4 is a left side view of fig. 1 in accordance with the present invention;
fig. 5 is a structural diagram of a laser light source according to the present invention;
fig. 6 is a detailed view of the 180-degree light-emitting tube of the present invention;
fig. 7 is a structural view of embodiment 2 of the present invention;
fig. 8 is a structural view of embodiment 3 of the present invention.
Detailed Description
The first embodiment is as follows: a laser light source device, characterized in that: the device comprises a connecting piece 2 and N laser light sources 1;
n laser source 1 is connected fixedly through connecting piece 2, and N laser source 1 all is used for providing the laser light path of 180 degrees, and N is more than or equal to 1's positive integer, and when N was greater than 1, N laser source 1 set up side by side along same direction, and N the light-emitting direction of laser light path is the same.
The second embodiment is as follows: the laser light source 1 comprises a cylinder, an optical fiber 11, a lens 12 and an external cone reflector 13;
the optical fiber 11 is arranged at one end of the cylinder along the axial direction of the cylinder;
the lens 12 and the outer conical reflector 13 are sequentially arranged in the cylinder along the direction from one end of the cylinder to the other end of the cylinder;
the side wall of the cylinder corresponding to the outer cone reflector 13 is provided with a 180-degree notch with the axis of the cylinder as a reference, so that the laser reflected by the outer cone reflector 13 is transmitted out of the 180-degree notch to form a 180-degree laser light path.
Other embodiments are the same as the first embodiment.
The third concrete implementation mode: the connecting piece 2 is a plate; the connecting piece 2 is provided with two M mounting holes, each mounting hole is used for mounting two laser light sources 1, the mounting holes are matched with the barrel, and M is a positive integer larger than or equal to N.
Other embodiments are the same as the second embodiment.
The fourth concrete implementation mode: the axis of the optical fiber 11, the axis of the lens 12 and the axis of the outer conical reflector 13 are all on the same straight line with the axis of the cylinder, and the outer conical surface of the outer conical reflector 13 is arranged in a contracting mode towards one end of the cylinder.
Other embodiments are the same as the third embodiment.
The fifth concrete implementation mode: the barrel is horizontally arranged, the other end of the barrel is provided with the 180-degree notch at the position close to the end part, and the 180-degree notch is arranged upwards.
The other embodiments are the same as the fourth embodiment.
The sixth specific implementation mode: the barrel body comprises a focusing handle 9, a barrel 10, a lens mounting frame 15 and a rotary barrel 14;
the focusing handle 9, the barrel 10, the lens mounting bracket 15 and the rotary barrel 14 are connected in sequence from one end to the other end,
the optical fiber 11 is arranged at the end part of one end of the focusing handle 9;
the lens 12 is arranged inside the lens mounting frame 15;
the 180-degree notch is arranged on the rotary cylinder 14, the outer conical reflector 13 is arranged inside the rotary cylinder 14,
the other end of the rotary cylinder 14 is provided with a reflector fixing frame 4 and a cover plate 5;
one end of the reflector fixing frame 4 is inserted into the rotating cylinder 14, the outer cone reflector 13 is installed on the reflector fixing frame 4, the radial edge of the reflector fixing frame 4 is connected with the rotating cylinder 14, and the other end of the reflector fixing frame 4 is connected with the cover plate 5.
The other embodiments are the same as the fifth embodiment.
The seventh embodiment: the outer diameter of the barrel 10 is smaller than the outer diameter of the lens mounting frame 15; a connecting plate is arranged outside the barrel 10 and is close to the lens mounting frame 15; the connecting piece 2 is connected with the connecting plate through a fastener.
In the present embodiment: the fastener is a screw or a bolt and a nut.
The other embodiments are the same as the sixth embodiment.
The specific implementation mode is eight: the lower extreme in the middle part of connecting piece 2 is equipped with the camera connecting plate.
The other embodiments are the same as the seventh embodiment.
The specific implementation method nine: a photographing apparatus, the photographing apparatus comprising:
a laser light source device according to any one of claims 1 to 8;
the camera 3 is arranged on the side of the laser light source 1 of the laser light source device, the shooting direction of the camera 3 is the same as the light emitting direction of the laser light path, and X is a positive integer larger than or equal to 1.
In the present embodiment: the camera is a line array camera.
The detailed implementation mode is ten: the camera comprises a 180-degree wide-angle lens, the 180-degree wide-angle lens is located above a camera shooting end of the camera 3, and the axis of the 180-degree wide-angle lens is perpendicular to the axis of a barrel of the laser light source 1.
Other embodiments are the same as the ninth embodiment.
Example 1: the shooting equipment is composed of two laser light sources and a camera, the two laser light sources are placed side by side, the linear array camera with the wide-angle lens is selected as the camera, the camera is placed on the middle side portion of the two laser light sources, the wider the distance between the laser light sources is, and the less the light rays are shielded by the linear array camera with the wide-angle lens.
The laser light source device emits light within the range of 180 degrees, meanwhile, the shielding of the camera on the light emitting angle can be compensated, and the light path is basically uniform. Therefore, wide-angle shooting of the wide-angle lens linear array camera is realized.
Example 2: the shooting equipment is composed of a laser light source and a camera, the camera is a linear array camera with a wide-angle lens, the camera is placed on the side of the laser light source, light rays are emitted by the light source and are changed into parallel light after being collimated by a lens, the parallel light changes laser into 180-degree divergence angle line laser through a semi-conical reflector, and when the shooting equipment is used, the laser light source or the camera is adjusted to enable the field of view of the camera to be coincident with the laser, and then images with consistent far and near image brightness and uniform brightness can be obtained.
Example 3: the shooting equipment consists of a laser light source and two cameras, the cameras adopt linear cameras with wide-angle lenses, the laser light source is arranged in the middle of the two cameras, and the two groups of wide-angle cameras are combined for shooting, so that the defects that a single light source and a single camera are insufficient in shooting range can be better avoided, the shooting effect can be better ensured, and missed shooting and mistaken shooting cannot be caused; meanwhile, compared with the placing mode with the same camera light source shooting angle, the placing mode saves more space.
The working principle is as follows:
the linear array camera with the wide-angle lens is placed at the side part of the laser light source, and the wider the distance between the laser light sources, the less the light rays are shielded by the linear array camera with the wide-angle lens.
The laser light source device emits light within the range of 180 degrees, meanwhile, the shielding of the camera on the light emitting angle can be compensated, and the light path is basically uniform. Therefore, wide-angle shooting of the wide-angle lens linear array camera is realized.
After the circular telegram back, laser gets into the cavity at lens mounting bracket place, and behind the lens, light assembles into a cylinder, shines on the outer cone speculum, by outer cone speculum reflection back, forms a 360 degrees light rings, and the light of light ring through 180 degrees light-emitting tube backs, and the light of lower part is blocked, and only and linear array camera scanning surface coincidence's light is passed through, satisfies the requirement of formation of image.

Claims (10)

1. A laser light source device, characterized in that: the device comprises a connecting piece (2) and N laser light sources (1);
n laser light source (1) are connected fixedly through connecting piece (2), and N laser light source (1) all are used for providing the laser light path of 180 degrees, and N is more than or equal to 1's positive integer, and when N was greater than 1, N laser light source (1) set up side by side along same direction, and N the light-emitting direction of laser light path is the same.
2. The laser light source device according to claim 1, wherein: the laser light source (1) comprises a cylinder, an optical fiber (11), a lens (12) and an outer cone reflector (13);
the optical fiber (11) is arranged at one end of the barrel along the axial direction of the barrel;
the lens (12) and the outer conical reflector (13) are sequentially arranged in the cylinder along the direction from one end of the cylinder to the other end of the cylinder;
and a 180-degree notch with the axis of the cylinder as the reference is formed in the side wall of the cylinder corresponding to the outer cone reflector (13), so that the laser reflected by the outer cone reflector (13) is transmitted out of the 180-degree notch to form a 180-degree laser light path.
3. The laser light source device according to claim 2, wherein: the connecting piece (2) is a plate; the laser light source connecting piece is characterized in that M mounting holes are formed in the connecting piece (2), each mounting hole is used for mounting the laser light source (1), the mounting holes are matched with the barrel body, and M is a positive integer larger than or equal to N.
4. The laser light source device according to claim 3, wherein: the axis of the optical fiber (11), the axis of the lens (12) and the axis of the outer conical reflector (13) are all on the same straight line with the axis of the cylinder, and the outer conical surface of the outer conical reflector (13) is arranged towards one end of the cylinder in a shrinking mode.
5. The laser light source device according to claim 4, wherein: the barrel is horizontally arranged, the other end of the barrel is provided with the 180-degree notch at the position close to the end part, and the 180-degree notch is arranged upwards.
6. The laser light source device according to claim 5, wherein: the barrel body comprises a focusing handle (9), a barrel (10), a lens mounting frame (15) and a rotating barrel (14);
the focusing handle (9), the barrel (10), the lens mounting rack (15) and the rotary barrel (14) are sequentially connected from one end to the other end,
the optical fiber (11) is arranged at the end part of one end of the focusing handle (9);
the lens (12) is arranged inside the lens mounting frame (15);
the 180-degree notch is arranged on the rotary cylinder (14), the outer cone reflector (13) is arranged inside the rotary cylinder (14),
the other end of the rotary cylinder (14) is provided with a reflector fixing frame (4) and a cover plate (5);
one end of the reflector fixing frame (4) is inserted into the rotating cylinder (14), the outer cone reflector (13) is installed on the reflector fixing frame (4), the radial edge of the reflector fixing frame (4) is connected with the rotating cylinder (14), and the other end of the reflector fixing frame (4) is connected with the cover plate (5).
7. The laser light source device according to claim 6, wherein: the outer diameter of the barrel (10) is smaller than that of the lens mounting frame (15); a connecting plate close to the lens mounting frame (15) is arranged outside the barrel (10); the connecting piece (2) is connected with the connecting plate through a fastener.
8. The laser light source device according to claim 7, wherein: the lower end in the middle of the connecting piece (2) is provided with a camera connecting plate.
9. A photographing apparatus characterized in that: the photographing apparatus includes:
a laser light source device according to any one of claims 1 to 8;
x cameras (3), camera (3) set up the lateral part of laser light source (1) of laser light source device, just the shooting direction of camera (3) with the light-emitting direction of laser light path is the same, and X is more than or equal to 1's positive integer.
10. The photographing apparatus according to claim 9, wherein the laser light source device is the laser light source device according to any one of claims 2 to 7; the camera comprises a 180-degree wide-angle lens, the 180-degree wide-angle lens is located above a camera shooting end of the camera (3), and the axis of the 180-degree wide-angle lens is perpendicular to the axis of a barrel of the laser light source (1).
CN202021939649.7U 2020-09-08 2020-09-08 Laser light source device and shooting equipment Active CN212569382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021939649.7U CN212569382U (en) 2020-09-08 2020-09-08 Laser light source device and shooting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021939649.7U CN212569382U (en) 2020-09-08 2020-09-08 Laser light source device and shooting equipment

Publications (1)

Publication Number Publication Date
CN212569382U true CN212569382U (en) 2021-02-19

Family

ID=74622213

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021939649.7U Active CN212569382U (en) 2020-09-08 2020-09-08 Laser light source device and shooting equipment

Country Status (1)

Country Link
CN (1) CN212569382U (en)

Similar Documents

Publication Publication Date Title
EP3274737B1 (en) Methods and systems for lidar optics alignment
CN101426414B (en) Endoscope
JP2009505120A (en) Optical lens system
CN104635278A (en) Detection device and detection method for target image of large non-uniform light field
WO2018171537A1 (en) Optical adapter for microscope and method for adjusting direction of optical image
WO2016141723A1 (en) Apparatus and method for detecting target image of large non-uniform light field
CN110200315B (en) Imaging device for cigarette appearance visual inspection machine
CN212569382U (en) Laser light source device and shooting equipment
CN110989074B (en) Imaging device based on optical fiber array
KR20090100661A (en) Optical system for infinite image formation and fabrication method for camera module using the same
CN202256888U (en) Light projection device of microcosmic fringe structure
CN111948874A (en) Laser light source device and shooting equipment
CN115576082B (en) Remote large-breadth imaging system for extreme illumination environment
CN210604422U (en) Multi-directional detection device
US5455715A (en) Portable collimator for adjusting video cameras
CN212257982U (en) Linear laser light source and shooting equipment
CN205942040U (en) Use device of target fluorescent lamp debugging wide angle imaging module
CN211577416U (en) Non-scanning laser radar receiving optical system
JP4063469B2 (en) A device for observing the inside from an ultra-fine void
CN110376700B (en) Light path adjusting mechanism based on digital micromirror unit and adjusting method thereof
CN210222333U (en) Light path adjusting mechanism based on digital micromirror unit
CN105387769A (en) Artillery multi-axis consistency photoelectric detection device based on self-calibration technology
JP5918239B2 (en) Night vision display system
CN205920267U (en) Various visual angles image device
CN116088260B (en) 360-degree all-round inner and outer wall detection lens structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant