CN213581696U

CN213581696U - Laser zoom lighting device with fine-tuned optical axis

Info

Publication number: CN213581696U
Application number: CN202023133256.XU
Authority: CN
Inventors: 吴晶; 刘志忠
Original assignee: Shenzhen Jingshi Technology Co ltd
Current assignee: Shenzhen Jingshi Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-06-29
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a laser lighting device that zooms of optical axis fine setting, which comprises a housing, the inside fixed mounting of casing has semiconductor laser, one side of semiconductor laser is provided with the collimating optical lens group, the casing is close to one side fixedly connected with lens cone that the collimating optical lens group was organized, the inside slidable mounting of lens cone has the sliding tray, the inside fixed mounting of sliding tray has the regulation mirror group, the outside of lens cone is rotated and has been cup jointed outer rotary drum, the one end fixed mounting that the casing was kept away from to outer rotary drum has the protective glass, two spiral grooves have been seted up to outer rotary drum's inner wall. The utility model discloses a control outer rotary drum rotates to utilize the guide way to the direction of guide pillar, can adjust the sliding tray at the inside actual position of lens cone when two spiral groove have enough to meet the need, thereby carry out the optical axis fine setting to the light source that the device finally shines, with the use scene that adapts to the difference, improved the practicality that the device used.

Description

Laser zoom lighting device with fine-tuned optical axis

Technical Field

The utility model relates to a lighting apparatus technical field, concretely relates to laser of optical axis fine setting zooms lighting device.

Background

The security video monitoring market develops rapidly, and high-definition video monitoring has slowly replaced standard-definition video monitoring. The coming of high definition era marks the popularization of a million-level high definition camera; because the low illumination is worse than that of an analog camera, higher requirements are provided for night vision supplementary lighting. Traditional infrared LED illumination has hardly satisfied the requirement of high definition night vision control, and semiconductor laser illuminator has characteristics such as small, power is high, illumination distance is far away, the disguise is strong, longe-lived and energy-concerving and environment-protective, by generally using with the camera lens cooperation for laser illuminator, for guaranteeing good lighting environment, and the shooting position of cooperation camera machine, can use optical axis adjustable laser illuminator usually, when guaranteeing that few society specifically changes, can obtain good benefit illumination through adjusting the optical axis, and among the current adjusting device, the structure is complicated, dismantle inconveniently, it maintains and changes to be difficult to disassemble the later stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a laser lighting device that zooms of optical axis fine setting to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: a laser zooming lighting device with a fine-tuned optical axis comprises a casing, wherein a semiconductor laser is fixedly installed inside the casing, a collimating optical lens group is arranged on one side of the semiconductor laser, a lens barrel is fixedly connected to one side, close to the collimating optical lens group, of the casing, a sliding disc is slidably installed inside the lens barrel, an adjusting lens group is fixedly installed inside the sliding disc, an outer rotating cylinder is sleeved outside the lens barrel in a rotating mode, a protective lens is fixedly installed at one end, far away from the casing, of the outer rotating cylinder, a double-spiral groove is formed in the inner wall of the outer rotating cylinder, guide pillars are installed at the top and the bottom of the sliding disc, guide grooves are formed in the top and the bottom of the lens barrel, one end, far away from the sliding disc, of each guide pillar penetrates through each guide groove and extends into the double-spiral grooves, and the guide pillars and, the outside of slip dish is seted up threaded hole, the guide pillar is close to the one end threaded connection of slip dish in the inside of threaded hole, outer revolving drum is close to the outside fixedly connected with bulge loop of casing one end, the outside cover of bulge loop is equipped with the card cover, the card cover is close to the one end joint of casing in the outside of casing, just the counter bore has been seted up to the circumference side outer wall of card cover, the inside of counter bore is provided with fastening screw, fastening screw's one end runs through the card cover to with casing threaded connection, the top fixed mounting of casing has step motor, step motor is connected with the pinion through output shaft transmission, the outside fixedly connected with teeth of a cogwheel of bulge loop, pinion and teeth of a cogwheel intermeshing, outer revolving drum's outside fixed cover has been cup jointed the rubber sleeve, anti-skidding line has been seted.

Preferably, one end of the guide post, which is far away from the sliding disc, is provided with a semi-sphere shape, and one end of the guide post, which is far away from the sliding disc, is provided with a cross groove.

Preferably, the top of the casing is fixedly connected with an adjustable-tightness hinged support, and the mounting plate is rotatably mounted at the top of the adjustable-tightness hinged support.

Preferably, the inside semiconductor laser that is located of casing one side of keeping away from the lens cone is provided with the heat dissipation chamber, the inside fixed mounting in casing one side heat dissipation chamber has the heat dissipation fan, the outside fixed mounting in casing heat dissipation chamber has the heating panel.

Preferably, the card cover all has seted up the annular with the normal running fit terminal surface of bulge loop, the internally mounted of annular has the sealing ring.

Preferably, the number of the counter bores outside the clamping cover and the number of the fastening screws are three, and the three counter bores are uniformly and circumferentially distributed on the circumferential side of the clamping cover.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model can adjust the actual position of the sliding disc in the lens cone by controlling the rotation of the outer rotary cylinder and utilizing the guide of the guide slot to guide the guide post when the double spiral slots are in turnover, thereby carrying out fine adjustment of the optical axis of the light source finally irradiated by the device to adapt to different use scenes, and simultaneously, the outer side of the sliding disk is provided with a threaded hole for installing the guide post, and the outer side of the clamping cover is provided with a fastening screw for connecting with the machine shell, so that when the adjusting lens group needs to be replaced or maintained, the fastening screw can be firstly detached, the clamping cover can be pulled out, the outer rotary cylinder is rotated while the outer rotary cylinder is pulled out, the guide post is moved out of the double-spiral groove, finally, the guide post is detached by using tools such as a screwdriver and the like, can take out the sliding disk, and then greatly improve the convenience that the device maintained the dismantlement, further improvement the practicality that the device used.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a schematic diagram of the external structure of the present invention.

Fig. 3 is a sectional view of the outer rotating cylinder of the present invention.

Fig. 4 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.

Fig. 5 is an enlarged view of the structure of the part B of fig. 1 according to the present invention.

Description of reference numerals:

1. a housing; 2. a semiconductor laser; 3. a collimating optical lens group; 4. a lens barrel; 5. a sliding disk; 6. adjusting the lens group; 7. an outer rotating cylinder; 8. protective glasses; 9. a double spiral groove; 10. a guide post; 11. a guide groove; 12. a convex ring; 13. a clamping cover; 14. gear teeth; 15. a stepping motor; 16. a pinion gear; 17. an adjustable elastic hinged support; 18. mounting a plate; 19. a heat dissipation fan; 20. a heat dissipation plate; 21. a rubber sleeve; 22. a counter bore; 23. fastening screws; 24. a threaded hole; 25. a ring groove; 26. and (4) a sealing ring.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a laser zoom lighting device with fine adjustment of optical axis as shown in figures 1-5, which comprises a casing 1, wherein a semiconductor laser 2 is fixedly arranged in the casing 1, a collimating optical lens group 3 is arranged at one side of the semiconductor laser 2, a lens barrel 4 is fixedly connected at one side of the casing 1 close to the collimating optical lens group 3, a sliding disc 5 is slidably arranged in the lens barrel 4, an adjusting lens group 6 is fixedly arranged in the sliding disc 5, an outer rotary cylinder 7 is sleeved on the outer part of the lens barrel 4, a protective lens 8 is fixedly arranged at one end of the outer rotary cylinder 7 far away from the casing 1, double spiral grooves 9 are arranged on the inner wall of the outer rotary cylinder 7, guide posts 10 are arranged at the top and the bottom of the sliding disc 5, guide grooves 11 are arranged at the top and the bottom of the lens barrel 4, one end of the guide posts 10 far away from the sliding disc 5 runs through the, the guide post 10 and the guide groove 11 as well as the guide post 10 and the double spiral groove 9 are connected in a sliding manner, a threaded hole 24 is formed in the outer part of the sliding disc 5, one end of the guide post 10 close to the sliding disc 5 is connected in the threaded hole 24 in a threaded manner, a convex ring 12 is fixedly connected to the outer part of one end of the outer rotary drum 7 close to the casing 1, a clamping cover 13 is sleeved on the outer part of the convex ring 12, one end of the clamping cover 13 close to the casing 1 is clamped on the outer part of the casing 1, a counter bore 22 is formed in the outer wall of the circumferential side of the clamping cover 13, a fastening screw 23 is arranged in the counter bore 22, one end of the fastening screw 23 penetrates through the clamping cover 13 and is connected with the casing 1 in a threaded manner, a stepping motor 15 is fixedly installed at the top of the casing 1, the stepping motor 15 is connected with a pinion 16 through an output shaft in a transmission manner, the pinion 16 is meshed with the gear teeth 14, a rubber sleeve 21 is fixedly sleeved outside the outer rotating cylinder 7, and anti-skid grains are arranged outside the rubber sleeve 21;

further, in the above technical solution, one end of the guide post 10, which is far away from the sliding plate 5, is provided with a semispherical shape, and one end of the guide post 10, which is far away from the sliding plate 5, is provided with a cross groove, so that the sliding resistance of the guide post 10 is reduced, and the guide post 10 is also conveniently detached by using a screwdriver;

further, in the above technical solution, the top of the casing 1 is fixedly connected with an adjustable hinge base 17, and the top of the adjustable hinge base 17 is rotatably provided with a mounting plate 18, so that the device is conveniently mounted, and the irradiation angle of the device is conveniently adjusted;

further, in the above technical solution, a heat dissipation cavity is arranged inside the case 1 at a side of the semiconductor laser 2 away from the lens barrel 4, a heat dissipation fan 19 is fixedly installed inside the heat dissipation cavity at one side of the case 1, and a heat dissipation plate 20 is fixedly installed outside the heat dissipation cavity of the case 1, so that the device can be effectively cooled, and the device is safer to use;

further, in the above technical solution, the rotation fit end surfaces of the clamping cover 13 and the protruding ring 12 are both provided with a ring groove 25, and a sealing ring 26 is installed inside the ring groove 25, so as to improve the sealing effect of the device and prevent a large amount of dust from entering;

further, in the above technical solution, the number of the counter bores 22 outside the card cover 13 and the number of the fastening screws 23 are all three, and the three counter bores 22 are uniformly and circumferentially distributed on the circumferential side of the card cover 13, so that the card cover 13 is ensured to be stably mounted and is also convenient to detach;

the implementation mode is specifically as follows: the outer rotary cylinder 7 is rotatably arranged outside the lens cone 4, the clamping cover 13 is arranged at one end of the outer rotary cylinder 7 close to the machine shell 1, the convex ring 12 is limited by the clamping cover 13, the outer rotary cylinder 7 can be stably arranged outside the lens cone 4, guide posts 10 are arranged at two ends of the sliding disc 5, double spiral grooves 9 are formed in the inner side of the outer rotary cylinder 7, the guide posts 10 penetrate through the guide grooves 11 and are matched with the double spiral grooves 9, in actual use, the small gear 16 can be driven by the stepping motor 15, the outer rotary cylinder 7 is driven to rotate by the meshing of the small gear 16 and the gear teeth 14, so that the guide posts 10 are guided by the guide grooves 11, the actual position of the sliding disc 5 inside the lens cone 4 can be adjusted when the double spiral grooves 9 are in circulation, the optical axis fine adjustment is carried out on the light source finally irradiated by the device, the device is suitable for different use scenes, and the rubber sleeve 21 is arranged outside the outer rotary cylinder 7, also can hold rubber sleeve 21 and carry out rotation control to outer rotary drum 7, in order to realize the manual regulation to the optical axis, and simultaneously, set up screw hole 24 through the outside at sliding disk 5, be used for installing guide pillar 10, and set up fastening screw 23 in the outside of card cover 13 and be connected with casing 1, thereby when needing to change adjusting mirror group 6 or to maintain adjusting mirror group 6, can pull down fastening screw 23 earlier, can outwards pull out card cover 13, bulge loop 12 has broken away from the restriction this moment, can be while rotatory outer rotary drum 7, while will go out outer rotary drum 7, make guide pillar 10 shift out double helix groove 9, use tools such as screwdriver at last, pull down guide pillar 10, can take out sliding disk 5, and then greatly improved the convenience that the device maintained the dismantlement, further improvement the practicality of device use.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a laser zoom lighting device that optical axis finely tuned, includes casing (1), its characterized in that: the laser lens comprises a shell (1), a semiconductor laser (2) is fixedly mounted inside the shell (1), a collimating optical lens group (3) is arranged on one side of the semiconductor laser (2), a lens barrel (4) is fixedly connected to one side, close to the collimating optical lens group (3), of the shell (1), a sliding disc (5) is slidably mounted inside the lens barrel (4), an adjusting lens group (6) is fixedly mounted inside the sliding disc (5), an outer barrel (7) is sleeved outside the lens barrel (4), a protective mirror (8) is fixedly mounted at one end, far away from the shell (1), of the outer barrel (7), double spiral grooves (9) are formed in the inner wall of the outer barrel (7), guide pillars (10) are mounted at the top and the bottom of the sliding disc (5), guide grooves (11) are formed in the top and the bottom of the lens barrel (4), one end, far away from the sliding disc (5), of the guide pillars (10) penetrates through the, the guide post (10) and the guide groove (11) as well as the guide post (10) and the double spiral groove (9) are connected in a sliding manner, a threaded hole (24) is formed in the outer part of the sliding disc (5), one end, close to the sliding disc (5), of the guide post (10) is connected in the threaded hole (24) in a threaded manner, a convex ring (12) is fixedly connected to the outer part, close to one end of the machine shell (1), of the outer rotary drum (7), a clamping cover (13) is sleeved on the outer part of the convex ring (12), one end, close to the machine shell (1), of the clamping cover (13) is clamped to the outer part of the machine shell (1), a counter bore (22) is formed in the outer wall of the circumferential side of the clamping cover (13), a fastening screw (23) is arranged in the counter bore (22), one end of the fastening screw (23) penetrates through the clamping cover (13) and is in threaded connection with the machine shell, the anti-skid device is characterized in that a stepping motor (15) is fixedly mounted at the top of the machine shell (1), the stepping motor (15) is connected with a small gear (16) through an output shaft in a transmission mode, gear teeth (14) are fixedly connected to the outer portion of the convex ring (12), the small gear (16) is meshed with the gear teeth (14), a rubber sleeve (21) is sleeved on the outer portion of the outer rotating cylinder (7), and anti-skid grains are arranged on the outer portion of the rubber sleeve (21).

2. The optical axis fine-tuning laser zoom illumination device according to claim 1, wherein: one end of the guide post (10) far away from the sliding disc (5) is semi-spherical, and one end of the guide post (10) far away from the sliding disc (5) is provided with a cross groove.

3. The optical axis fine-tuning laser zoom illumination device according to claim 1, wherein: the top of the machine shell (1) is fixedly connected with an adjustable-tightness hinged support (17), and a mounting plate (18) is rotatably mounted at the top of the adjustable-tightness hinged support (17).

4. The optical axis fine-tuning laser zoom illumination device according to claim 1, wherein: the semiconductor laser is characterized in that a heat dissipation cavity is formed in one side, located on the semiconductor laser (2) and far away from the lens cone (4), of the interior of the shell (1), a heat dissipation fan (19) is fixedly mounted in the heat dissipation cavity of one side of the shell (1), and a heat dissipation plate (20) is fixedly mounted on the exterior of the heat dissipation cavity of the shell (1).

5. The optical axis fine-tuning laser zoom illumination device according to claim 1, wherein: annular groove (25) have all been seted up with the normal running fit terminal surface of bulge loop (12) in card cover (13), the internally mounted of annular groove (25) has sealing ring (26).

6. The optical axis fine-tuning laser zoom illumination device according to claim 1, wherein: the number of the counter bores (22) outside the clamping cover (13) and the number of the fastening screws (23) are three, and the three counter bores (22) are uniformly and circumferentially distributed on the circumferential side of the clamping cover (13).