CN212364736U

CN212364736U - Narrow-band infrared transmission filter

Info

Publication number: CN212364736U
Application number: CN202021192579.3U
Authority: CN
Inventors: 王海龙; 杨光华
Original assignee: Kunming Yulong Photoelectric Technology Co ltd
Current assignee: Kunming Yulong Photoelectric Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-15
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to a light filter technical field just discloses a narrowband infrared transmission light filter, which comprises an outer shell, the inboard fixed mounting of shell has the goggles, the inside movable mounting of shell has quantity to be two threaded rods, the inboard movable mounting of shell has quantity to be two base plates, the quantity has been cup jointed in the outside of threaded rod for two and with base plate fixed connection's loose collar, the back of the body side fixed mounting of base plate has first refraction board, the back of the body side fixed mounting of first refraction board has the second refraction board, the top movable mounting of shell have with threaded rod fixed connection's knob, the bottom fixed mounting of shell has solid fixed ring, gu fixed ring's inside movable mounting has the action wheel with threaded rod fixed connection. This narrowband infrared transmission filter through setting up the knob, has reached the effect of being convenient for to adjust to whole accommodation process is comparatively simple, and the required time is shorter, is convenient for observe its infrared light, and it is more convenient to use.

Description

Narrow-band infrared transmission filter

Technical Field

The utility model relates to a light filter technical field specifically is a narrowband infrared transmission light filter.

Background

Filters are optical devices used to select the desired wavelength band of radiation, and a common feature of filters is that no filter is present to make the imaging of celestial objects brighter, since all filters absorb certain wavelengths, thereby making the object darker.

At present, most narrow-band infrared transmission filters on the market are inconvenient to adjust, the existing process of using is carried out, because the filter is fixed, infrared light is often inconvenient to control infrared light at the center of the filter when passing through the filter, and then is inconvenient to observe the infrared light, and the use is inconvenient, so the problem that the narrow-band infrared transmission filters are provided to solve is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a narrowband infrared transmission filter possesses advantages such as the regulation of being convenient for, has solved narrowband infrared transmission filter on the present market, and the most is not convenient for adjust it, and the in-process of using is being carried out to the current, because the light filter is fixed, the infrared light is when passing the light filter, often inconvenient with infrared light control in its central department, and then be not convenient for observe it, use very inconvenient problem.

(II) technical scheme

For the purpose of realizing the aforesaid regulation of being convenient for, the utility model provides a following technical scheme: a narrow-band infrared transmission filter comprises a shell, wherein protective glasses are fixedly arranged on the inner side of the shell, two threaded rods are movably arranged in the shell, two base plates are movably arranged on the inner side of the shell, two movable rings which are fixedly connected with the base plates are sleeved on the outer sides of the threaded rods, first refraction plates are fixedly arranged on the opposite sides of the base plates, second refraction plates are fixedly arranged on the opposite sides of the first refraction plates, knobs which are fixedly connected with the threaded rods are movably arranged at the top of the shell, fixing rings are fixedly arranged at the bottom of the shell, driving wheels which are fixedly connected with the threaded rods are movably arranged in the fixing rings, a rotating shaft is movably arranged in the shell, driven wheels are fixedly arranged on the outer sides of the rotating shaft, and the driving wheels are connected with the driven wheels through belt transmission, the inner side of the shell is fixedly provided with a protection plate positioned on the opposite side of the substrate, and the outer side of the shell is fixedly provided with a mounting ring.

Preferably, the inner side of the shell is provided with a limiting groove, and the movable ring is movably connected with the shell through the limiting groove.

Preferably, two opposite threads are formed in the outer side of the threaded rod, and the threads are matched with the movable ring.

Preferably, the outer side of the knob is provided with anti-skid grains which are uniformly distributed.

Preferably, the number of the driven wheels is two, and the driven wheels are symmetrically distributed in the front and back direction.

Preferably, the number of the mounting rings is two, and the mounting rings are distributed up and down symmetrically.

(III) advantageous effects

Compared with the prior art, the utility model provides a narrowband infrared transmission light filter possesses following beneficial effect:

this narrowband infrared transmission light filter, through setting up the knob, when using, the infrared light can pass the second refraction board in proper order, first refraction board, the base plate, first refraction board and second refraction board, can observe the infrared light at last, when needs are adjusted, only need to rotate the knob of one side, the threaded rod will rotate, will rotate rather than fixed action wheel, the action wheel can pass through the belt and rotate from the threaded rod that makes the opposite side of driving wheel, the activity ring will remove this moment, and the activity ring can drive the base plate and be close to or keep away from each other, and then make the infrared light can be located center department, and then reached the effect of being convenient for to adjust, and whole accommodation process is comparatively simple, the required time is short, be convenient for observe its infrared light, it is more convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a bottom view of the fixing ring of the present invention.

In the figure: the safety glasses comprise a shell 1, protective glasses 2, a threaded rod 3, a base plate 4, a movable ring 5, a first refraction plate 6, a second refraction plate 7, a knob 8, a fixing ring 9, a driving wheel 10, a rotating shaft 11, a driven wheel 12, a belt 13, a protection plate 14 and a mounting ring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a narrow-band infrared transmission filter comprises a housing 1, a limiting groove is formed on the inner side of the housing 1, a movable ring 5 is movably connected with the housing 1 through the limiting groove, a protective glasses 2 is fixedly installed on the inner side of the housing 1, two threaded rods 3 are movably installed inside the housing 1, two opposite threads are formed on the outer sides of the threaded rods 3 and are matched with the movable ring 5, two base plates 4 are movably installed on the inner side of the housing 1, two movable rings 5 which are fixedly connected with the base plates 4 are sleeved on the outer sides of the threaded rods 3, a first refraction plate 6 is fixedly installed on the opposite side of the base plates 4, a second refraction plate 7 is fixedly installed on the opposite side of the first refraction plate 6, a knob 8 fixedly connected with the threaded rods 3 is movably installed on the top of the housing 1, and anti-skid veins are formed on the outer side of the knob 8, the anti-skid grains are uniformly distributed, the bottom of the shell 1 is fixedly provided with a fixing ring 9, the inside of the fixing ring 9 is movably provided with a driving wheel 10 fixedly connected with the threaded rod 3, the inside of the shell 1 is movably provided with a rotating shaft 11, the outer side of the rotating shaft 11 is fixedly provided with two driven wheels 12, the driven wheels 12 are symmetrically distributed front and back, the driving wheel 10 and the driven wheels 12 are in transmission connection through a belt 13, the inner side of the shell 1 is fixedly provided with a protection plate 14 positioned at the opposite side of the substrate 4, the outer side of the shell 1 is fixedly provided with two mounting rings 15, the mounting rings 15 are symmetrically distributed up and down, through the arrangement of a knob 8, when the infrared light is used, the infrared light sequentially passes through the second refraction plate 7, the first refraction plate 6, the substrate 4, the first refraction plate 6 and the second refraction plate 7, and finally the infrared light can be, when needs are adjusted, only need to rotate the knob 8 of one side, threaded rod 3 will rotate, will rotate rather than fixed action wheel 10, action wheel 10 can rotate through belt 13 and threaded rod 3 from driving wheel 12 messenger opposite side, activity ring 5 will remove this moment, and activity ring 5 can drive base plate 4 and be close to or keep away from each other, and then make the infrared light can be located central department, and then reached the effect of being convenient for to adjust, and whole accommodation process is comparatively simple, the required time is short, be convenient for observe its infrared light, it is more convenient to use.

In summary, by arranging the knob 8, when the narrow-band infrared transmission filter is used, infrared light sequentially passes through the second refraction plate 7, the first refraction plate 6, the base plate 4, the first refraction plate 6 and the second refraction plate 7, and finally the infrared light can be observed, when adjustment is needed, the threaded rod 3 rotates only by rotating the knob 8 on one side, the driving wheel 10 fixed with the threaded rod rotates, the driving wheel 10 rotates the threaded rod 3 on the other side through the belt 13 and the driven wheel 12, at this time, the movable ring 5 moves, and the movable ring 5 drives the base plates 4 to approach or separate from each other, so that the infrared light can be located at the center, and the effect of convenient adjustment is achieved, and the whole adjustment process is simple, the required time is short, the infrared light can be observed conveniently, and the use is convenient, the problem of at present the narrow band infrared transmission filter on the market, most be not convenient for adjust it, current in-process using is going on, because the filter is fixed, the infrared light is going on when passing the filter, often inconvenient with infrared light control in its central department, and then be not convenient for observe it, use very inconvenient is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A narrow band infrared transmission filter comprising a housing (1), characterized in that: the protective glasses are fixedly mounted on the inner side of the shell (1), the threaded rods (3) with two numbers are movably mounted inside the shell (1), the base plates (4) with two numbers are movably mounted on the inner side of the shell (1), the movable rings (5) with two numbers and fixedly connected with the base plates (4) are sleeved on the outer side of the threaded rods (3), the first refraction plates (6) are fixedly mounted on the opposite sides of the base plates (4), the second refraction plates (7) are fixedly mounted on the opposite sides of the first refraction plates (6), the knobs (8) fixedly connected with the threaded rods (3) are movably mounted on the top of the shell (1), the fixing rings (9) are fixedly mounted on the bottom of the shell (1), and the driving wheels (10) fixedly connected with the threaded rods (3) are movably mounted inside the fixing rings (9), the inside movable mounting of shell (1) has axis of rotation (11), the outside fixed mounting of axis of rotation (11) has from driving wheel (12), action wheel (10) and from driving wheel (12) pass through belt (13) transmission and connect, the inboard fixed mounting of shell (1) has guard plate (14) that are located base plate (4) opposite side, the outside fixed mounting of shell (1) has collar (15).

2. The narrow band infrared transmission filter according to claim 1, characterized in that: the limiting groove is formed in the inner side of the shell (1), and the movable ring (5) is movably connected with the shell (1) through the limiting groove.

3. The narrow band infrared transmission filter according to claim 1, characterized in that: two opposite threads are formed in the outer side of the threaded rod (3), and the threads are matched with the movable ring (5).

4. The narrow band infrared transmission filter according to claim 1, characterized in that: the outer side of the knob (8) is provided with anti-skid grains which are uniformly distributed.

5. The narrow band infrared transmission filter according to claim 1, characterized in that: the number of the driven wheels (12) is two, and the driven wheels (12) are symmetrically distributed in the front-back direction.

6. The narrow band infrared transmission filter according to claim 1, characterized in that: the number of the mounting rings (15) is two, and the mounting rings (15) are distributed up and down symmetrically.