CN217132955U

CN217132955U - Optical filter of near-infrared moisture meter

Info

Publication number: CN217132955U
Application number: CN202123192101.8U
Authority: CN
Inventors: 沈银娣
Original assignee: Fujian Youenli Photoelectric Technology Co ltd
Current assignee: Fujian Youenli Photoelectric Technology Co ltd
Priority date: 2021-12-19
Filing date: 2021-12-19
Publication date: 2022-08-05
Anticipated expiration: 2031-12-19

Abstract

The utility model discloses a near-infrared moisture meter optics filter, including the bearer bar, optics filter body and positioning mechanism, the utility model discloses a positioning mechanism has been set up in the bearer bar outside, through splint vertical migration and bearer bar laminating or separation, thereby be convenient for press from both sides tight installation or dismantlement to bearer bar and inboard optics filter body, and carry out horizontal migration through connecting plate and drive frame and optics filter body, make the optics filter body can reach more in service position after removing, reached and be convenient for install the dismantlement to the optics filter, and the work efficiency is improved, be convenient for adjust the optics filter position simultaneously and the service quality is better, bring convenient beneficial effect for work.

Description

Optical filter of near-infrared moisture meter

Technical Field

The utility model relates to an optics filter field of being correlated with specifically is a near-infrared moisture meter optics filter.

Background

At present, there are many methods for rapidly determining the moisture content of a substance, a near infrared spectroscopy is one of the rapid and efficient quantitative analysis methods, a near infrared moisture meter is a corresponding instrument, and the moisture meter utilizes the following phenomena: many substances absorb infrared energy at specific wavelengths, but do not absorb infrared energy at other wavelengths. When measuring the water content of a substance to be measured, a minimum of two wavelengths are selected, and the near infrared moisture meter requires the use of optical filters when in use.

When the optical filter is used, the mode of fixed mounting is usually adopted, the optical filter is inconvenient to detach and replace when needed, the work efficiency is reduced, the position of the optical filter is inconvenient to adjust, the optical filter is inconvenient to adjust in real time according to actual needs, and inconvenience is brought to work.

Disclosure of Invention

Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a near-infrared moisture meter optical filter here.

The utility model is realized in such a way, construct a near-infrared moisture meter optical filter, the device comprises a protective frame and an optical filter body, the optical filter body is arranged at the inner side of the protective frame, the positioning mechanism is arranged at the outer end surface of the protective frame, the positioning mechanism comprises an outer frame, a clamping plate, a hand wheel, a screw rod, a placing groove, a limiting plate, a clamping mechanism, a connecting plate, a distance sensor, a guide frame and a driving mechanism, the clamping plate is arranged at the inner side of the outer frame in a sliding way, the clamping plate is attached to the top end surface of the protective frame, the screw rod is arranged at the middle part of the bottom end surface of the hand wheel, the screw rod is in threaded fit with the inner side of the screw hole arranged at the middle part of the top end surface of the outer frame, the bottom part at the outer side of the screw rod is rotationally connected with the middle part of the top end surface of the clamping plate, the placing groove is arranged at the middle part of the bottom part at the inner side of the protective frame, the limiting plate is arranged at the inner side of the placing groove, and two limiting plates are respectively attached to the bottoms of the front end and the rear end of the protective frame, the clamping mechanism is arranged outside the limiting plates, the connecting plate is connected to the bottom end face of the outer frame and movably extends into the inner side of the guide frame, the distance sensor is arranged at the rear part of the right end face of the guide frame, and the inner side of the guide frame is provided with a driving mechanism.

Preferably, screens mechanism includes flange, recess, arc dogtooth and arc latch, the flange sets up both ends middle part about the limiting plate, and the flange activity stretches into in the recess inboard, both ends middle part about the standing groove inboard is seted up to the recess, the arc dogtooth is installed in the flange side surface, and the arc dogtooth laminates with the arc latch each other, the arc latch fastens in recess medial extremity face.

Preferably, actuating mechanism includes motor, lead screw and slider, the motor is installed in leading truck rear end face, and connects in the lead screw after motor front end output shaft passes leading truck rear end face, the lead screw rotates with the leading truck is inboard to be connected, and the inboard screw thread fit of screw that lead screw and slider rear end face seted up, the slider is connected in connecting plate left end face, and slider and the inboard sliding connection of leading truck.

Preferably, the bottom end face of the clamping plate is provided with an arc-shaped groove, and the inner side of the arc-shaped groove is parallel to the protection frame.

Preferably, the connecting plate is of an L-shaped structure, and the right end of the outer side of the connecting plate is perpendicular to the bottom end face of the outer frame.

Preferably, the outer frame is of a square structure, and the width of the inner side of the outer frame is larger than the outer diameter of the protection frame.

Preferably, the arc-shaped convex teeth are flush with the upper end surface and the lower end surface of the convex plate, and more than two arc-shaped convex teeth are arranged on the side surface of the convex plate at equal intervals.

Preferably, the distance sensor is perpendicular to the right end face of the guide frame, and the distance sensor and the connecting plate are located on the same horizontal end face.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a near-infrared moisture meter optics filter here, compare with equipment of the same type, have following improvement:

the method has the advantages that: a near-infrared moisture meter optics filter, through having set up positioning mechanism in the bearer bar outside, through splint vertical migration and bearer bar laminating or separation, thereby be convenient for press from both sides tight installation or dismantlement to bearer bar and inboard optics filter body, and carry out horizontal migration through connecting plate and drive frame and optics filter body, make the optics filter body can reach more in service position after removing, it installs the dismantlement to the optics filter to have reached to be convenient for, and the work efficiency is improved, be convenient for adjust the optics filter position simultaneously and the service quality is better, bring convenient beneficial effect for work.

The method has the advantages that: a near-infrared moisture meter optics filter, through setting up distance sensor perpendicular to leading truck right-hand member face, and distance sensor and connecting plate are located same horizontal end face, and the distance sensor of being convenient for detects the response to the position of connecting plate.

Drawings

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

FIG. 2 is a schematic structural view of the positioning mechanism of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of a limiting plate structure of the present invention;

fig. 5 is a schematic structural diagram of the driving mechanism of the present invention.

Wherein: the device comprises a protective frame-1, an optical filter body-2, a positioning mechanism-3, an outer frame-31, a clamping plate-32, a hand wheel-33, a screw-34, a placing groove-35, a limiting plate-36, a clamping mechanism-37, a connecting plate-38, a distance sensor-39, a guide frame-310, a driving mechanism-311, a convex plate-371, a groove-372, an arc-shaped convex tooth-373, an arc-shaped clamping tooth-374, a motor-3111, a screw-3112 and a sliding block-3113.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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, the present invention provides an optical filter for a near-infrared moisture meter by improvement, which includes a protection frame 1 and an optical filter body 2, wherein the optical filter body 2 is installed inside the protection frame 1.

Referring to fig. 2, the present invention provides an optical filter of a near infrared moisture meter by improvement, a positioning mechanism 3 is disposed on an outer end surface of a protection frame 1, the positioning mechanism 3 includes an outer frame 31, a clamping plate 32, a hand wheel 33, a screw 34, a placement groove 35, a limiting plate 36, a clamping mechanism 37, a connecting plate 38, a distance sensor 39, a guide frame 310 and a driving mechanism 311, the outer frame 31 is of a square structure, and the width of the inner side of the outer frame 31 is larger than the outer diameter of the protection frame 1, so as to facilitate the protection frame 1 to be rapidly placed in the outer frame 31, the clamping plate 32 is slidably mounted on the inner side of the outer frame 31, the clamping plate 32 is attached to the top end surface of the protection frame 1, an arc-shaped groove is formed on the bottom end surface of the clamping plate 32, and the inner side of the arc-shaped groove is parallel to the protection frame 1, so that the clamping plate 32 clamps and fixes the protection frame 1 more stably through the arc-shaped groove, the screw 34 is installed in the middle of the bottom end surface of the hand wheel 33, the screw 34 is in threaded fit with the inner side of the screw hole formed in the middle of the top end surface of the outer frame 31, the bottom of the outer side of the screw 34 is rotatably connected with the middle of the top end face of the clamping plate 32, the placing groove 35 is arranged in the middle of the bottom end face of the inner side of the outer frame 31, the inner side of the placing groove 35 covers the bottom of the outer side of the protective frame 1, two limiting plates 36 are arranged inside the placing groove 35, the two limiting plates 36 are respectively attached to the bottoms of the front end and the rear end of the protective frame 1, the clamping mechanism 37 is arranged outside the limiting plates 36, the connecting plate 38 is connected with the bottom end face of the outer frame 31, the connecting plate 38 movably extends into the inner side of the guide frame 310, the connecting plate 38 is of an L-shaped structure, the right end of the outer side of the connecting plate 38 is perpendicular to the bottom end face of the outer frame 31, the connecting plate 38 drives the outer frame 31 to stably move, the distance sensor 39 is arranged at the rear part of the right end face of the guide frame 310, the distance sensor 39 is perpendicular to the right end face of the guide frame 310, the distance sensor 39 and the connecting plate 38 are arranged on the same horizontal end face, so that the distance sensor 39 can detect and sense the position of the connecting plate 38, a driving mechanism 311 is provided inside the guide frame 310.

Please refer to fig. 3 and 4, the utility model discloses an improve and provide a near-infrared moisture meter optical filter here, screens mechanism 37 includes flange 371, recess 372, arc dogtooth 373 and arc latch 374, flange 371 sets up both ends middle part about limiting plate 36, and the activity of flange 371 stretches into in recess 372 inboardly, both ends middle part about standing groove 35 inboard is seted up to recess 372, arc dogtooth 373 installs in flange 371 side surface, and arc dogtooth 373 laminates each other with arc latch 374, end face flushes about arc dogtooth 373 and the flange 371, and arc dogtooth 373 equidistant be provided with more than two in flange 371 side surface, be convenient for arc dogtooth 373 cooperates arc latch 374 to fix the limiting plate 36 of different positions, arc latch 374 fastens in recess 372 medial surface.

Referring to fig. 5, the present invention provides a near infrared moisture meter optical filter through an improvement, the driving mechanism 311 includes a motor 3111, a lead screw 3112 and a slider 3113, the motor 3111 is installed on the rear end face of the guiding frame 310, and the output shaft of the front end of the motor 3111 is connected to the lead screw 3112 after passing through the rear end face of the guiding frame 310, the lead screw 3112 is connected to the guiding frame 310 by rotating, and the lead screw 3112 is in threaded engagement with the inner side of the screw hole formed on the rear end face of the slider 3113, the slider 3113 is connected to the left end face of the connecting plate 38, and the slider 3113 is in sliding connection with the inner side of the guiding frame 310.

The utility model provides an optical filter of a near infrared moisture meter through improvement, and the working principle is as follows;

first, the guide frame 310 is fixedly mounted at a predetermined position, and the motor 3111 is connected to an external control power supply;

secondly, moving the limiting plate 36 to drive the arc-shaped convex tooth 373 to move, stopping moving the limiting plate 36 when the distance between the front and back opposite surfaces of the two limiting plates 36 reaches the thickness corresponding to the protective frame 1, fixing the position of the limiting plate 36 by the arc-shaped convex tooth 373 matching with the arc-shaped latch 374, and driving the optical filter body 2 to move and place on the inner side of the placing groove 35 by the protective frame 1 and enabling the protective frame 1 to move between the front and back opposite surfaces of the two limiting plates 36;

thirdly, the hand wheel 33 is rotated to drive the screw rod 34 to rotate, and the screw rod 34 is matched with the screw hole on the top end surface of the outer frame 31 in the rotating process to drive the clamping plate 32 to vertically move and attach to the top end surface of the protective frame 1, thereby realizing that the clamping plate 32 is matched with the bottom end surface of the inner side of the placing groove 35 to clamp and fix the protective frame 1 and the optical filter body 2, at the moment, the position of the optical filter body 2 can be adjusted, the motor 3111 can be started to drive the screw 3112 to rotate, so that the slider 3113 is moved axially along the guide frame 310 under the action of the screw 3112, and the slide block 3113 drives the connecting plate 38, the outer frame 31 and the optical filter body 2 to move horizontally, the position sensor 39 detects and senses the moving position of the connecting plate 38, and stops the motor 3111 after the optical filter body 2 moves to a predetermined position, so that the optical filter body 2 can be used.

The utility model provides an optical filter of a near infrared moisture meter through improvement, which is jointed with or separated from a protection frame 1 through the vertical movement of a clamping plate 32, thereby facilitating the clamping installation or disassembly of the protective frame 1 and the optical filter body at the inner side, and the horizontal movement of the outer frame 31 and the optical filter body 2 through the connecting plate 38, the optical filter body 2 can reach a more using position after moving, thereby facilitating the installation and the disassembly of the optical filter, improving the working efficiency, meanwhile, the position of the optical filter can be conveniently adjusted, the use quality is better, and the convenient beneficial effect is brought to the work, through setting up distance sensor 39 perpendicular to leading truck 38 right end face, and distance sensor 39 and connecting plate 38 are located same horizontal end face, the position of being convenient for distance sensor 39 to connecting plate 38 detects the response.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An optical filter of a near-infrared moisture meter comprises a protective frame (1) and an optical filter body (2), wherein the optical filter body (2) is arranged on the inner side of the protective frame (1);

the method is characterized in that: the device is characterized by further comprising a positioning mechanism (3), the positioning mechanism (3) is arranged on the outer end face of the protection frame (1), the positioning mechanism (3) comprises an outer frame (31), a clamping plate (32), a hand wheel (33), a screw rod (34), a placement groove (35), a limiting plate (36), a clamping mechanism (37), a connecting plate (38), a distance sensor (39), a guide frame (310) and a driving mechanism (311), the clamping plate (32) is slidably mounted on the inner side of the outer frame (31), the clamping plate (32) is attached to the top end face of the protection frame (1), the screw rod (34) is mounted in the middle of the bottom end face of the hand wheel (33), the screw rod (34) is in threaded fit with the inner side of the screw hole formed in the middle of the top end face of the outer frame (31), the bottom of the outer side of the screw rod (34) is rotatably connected with the middle of the top end face of the clamping plate (32), the placement groove (35) is formed in the middle of the bottom end face of the inner side of the outer frame (31), and standing groove (35) inboard cover in protecting frame (1) outside bottom, limiting plate (36) are provided with two in standing groove (35) inboard, and two limiting plates (36) laminate in both ends bottom around protecting frame (1) respectively, screens mechanism (37) set up in the limiting plate (36) outside, connecting plate (38) are connected in frame (31) bottom face, and connecting plate (38) activity stretches into in leading truck (310) inboard, install in leading truck (310) right-hand member face rear portion apart from sensor (39), leading truck (310) inboard is provided with actuating mechanism (311).

2. The optical filter of the near-infrared moisture meter according to claim 1, wherein: clamping mechanism (37) include flange (371), recess (372), arc dogtooth (373) and arc latch (374), both ends middle part about limiting plate (36) is set up in flange (371), and flange (371) activity stretches into in recess (372) is inboard, both ends middle part about standing groove (35) inboard is seted up in recess (372), arc dogtooth (373) are installed in flange (371) side surface, and arc dogtooth (373) and arc latch (374) laminate each other, arc latch (374) fasten in recess (372) medial surface.

3. The near-infrared moisture meter optical filter according to claim 1, characterized in that: actuating mechanism (311) includes motor (3111), lead screw (3112) and slider (3113), install in leading truck (310) rear end face motor (3111), and connect in lead screw (3112) behind motor (3111) front end output shaft passing leading truck (310) rear end face, lead screw (3112) and leading truck (310) inboard rotate be connected, and the inboard screw-thread fit of screw that lead screw (3112) and slider (3113) rear end face seted up, slider (3113) are connected in connecting plate (38) left end face, and slider (3113) and leading truck (310) inboard sliding connection.

4. The optical filter of the near-infrared moisture meter according to claim 1, wherein: an arc-shaped groove is formed in the bottom end face of the clamping plate (32), and the inner side of the arc-shaped groove is parallel to the protection frame (1).

5. The optical filter of the near-infrared moisture meter according to claim 1, wherein: the connecting plate (38) is of an L-shaped structure, and the right end of the outer side of the connecting plate (38) is perpendicular to the bottom end face of the outer frame (31).

6. The optical filter of the near-infrared moisture meter according to claim 1, wherein: the outer frame (31) is of a square structure, and the width of the inner side of the outer frame (31) is larger than the outer diameter of the protection frame (1).

7. The optical filter of the near-infrared moisture meter according to claim 2, characterized in that: the arc-shaped convex teeth (373) are flush with the upper end surface and the lower end surface of the convex plate (371), and more than two arc-shaped convex teeth (373) are arranged on the side surface of the convex plate (371) at equal intervals.

8. The optical filter of the near-infrared moisture meter according to claim 1, wherein: the distance sensor (39) is perpendicular to the right end face of the guide frame (310), and the distance sensor (39) and the connecting plate (38) are located on the same horizontal end face.