CN114414215A

CN114414215A - Polaroid angle measuring device

Info

Publication number: CN114414215A
Application number: CN202210061370.0A
Authority: CN
Inventors: 陈建霖; 李航; 康飞旺
Original assignee: Xinli Photoelectric Renshou Co Ltd
Current assignee: Xinli Photoelectric Renshou Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-04-29
Anticipated expiration: 2042-01-19
Also published as: CN114414215B

Abstract

The application relates to a polaroid angle measuring device, including unable adjustment base, one side at unable adjustment base top is provided with polaroid benchmark limit, and unable adjustment base's middle part is provided with first measuring mechanism, and the top on polaroid benchmark limit is provided with second measuring mechanism, and one side that polaroid benchmark limit is close to unable adjustment base is provided with two retaining members that are located the second measuring mechanism both sides respectively. The polarizer is fixed by the locking piece after the straight edge of the measured polarizer is close to the reference edge of the polarizer of the fixed base, the rotation angle module is rotated, when the brightness is the minimum value, the angle is displayed as the absorption axis angle of the measured polarizer, meanwhile, the approximate angle can be read in a physical mode, and when the brightness on the polarizer is the darkest, the degree indicated by the scale pointer is the absorption axis angle of the measured polarizer.

Description

Polaroid angle measuring device

Technical Field

The invention relates to a polarizer angle measuring device, and belongs to the technical field of measurement.

Background

TFT glass that display module used all can use upper and lower polaroid to play the polarization, TFT glass can play the display effect, and the polaroid has the absorption axis and passes through the branch of axle, the absorption axis is the light component that the absorption polarization direction is the same, and the absorption axis of upper and lower polaroid must be perpendicular, then twist through the liquid crystal and realize that absorption and transmission of light just can make TFT play the effect of showing, so the absorption axis angle of upper and lower polaroid has just set for from the beginning, and must obtain the management and control at supplied materials and production, but the absorption axis of polaroid is under the condition without the help of the instrument, people's eye can't distinguish the direction, and the instrument that can measure is generally bigger and the price is higher, production and the detection of downstream enterprise can not popularize. Therefore, it is necessary to develop a measuring instrument which is small in size, convenient to move, low in price and convenient to operate.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the measuring tools are generally large and high in price, and downstream production and detection cannot be popularized.

(II) technical scheme

In order to achieve the above object, the present invention provides a polarizer angle measuring device, which includes a fixing base, wherein one side of the top of the fixing base is provided with a polarizer reference edge, the middle of the fixing base is provided with a first measuring mechanism, the top of the polarizer reference edge is provided with a second measuring mechanism, and one side of the polarizer reference edge, which is close to the fixing base, is provided with two locking members respectively located at two sides of the second measuring mechanism;

the first measuring mechanism comprises a rotation angle module which is rotatably connected to the middle part of the fixed base, a reference polaroid is arranged in the middle part of the rotation angle module, and a backlight module is arranged below the reference polaroid;

the second measuring mechanism comprises a brightness module support fixedly arranged on the reference edge of the polaroid, the end part of the brightness module support extends to the position above the rotation angle module and is fixedly connected with a scale pointer, and a brightness sensing module is arranged in the middle of the brightness module support;

the angle sensing module, the angle display module and the brightness display module are arranged on the fixed base, and the angle sensing module is close to the rotation angle module.

And scales are arranged on the rotation angle module.

The position of the brightness induction module corresponds to the middle of the backlight module.

The locking piece comprises a supporting bar, and the supporting bar is fixedly installed on one side, close to the rotation angle module, of the reference edge of the polaroid.

The inner wall threaded connection of support bar has the threaded rod, the top fixedly connected with of threaded rod is located the handle of support bar top.

Wherein, the cavity has been seted up to the inside of support bar, sliding connection has T shape pole in the cavity, the bottom of T shape pole passes the threaded rod and extends to threaded rod below and fixedly connected with clamp plate.

The top of the T-shaped rod is fixedly provided with a spring, and the top end of the spring is fixedly connected with the top of the cavity.

The outer side of the fixed base is provided with a protection mechanism, and the protection mechanism is used for protecting the fixed base, the polaroid reference edge, the first measuring mechanism and the second measuring mechanism.

The protection mechanism comprises a protection box, drawer guide rails and two drawer guide rails are fixedly mounted on the inner walls of two sides of the protection box, a supporting plate is fixedly connected between the drawer guide rails, the top of the supporting plate is fixedly connected with the bottom of the fixing base, a protection plate is fixedly connected to one side of the supporting plate, and the protection plate is located outside the protection box and is in contact with one side of the protection box.

Wherein, be provided with the tool to lock between the top of guard box and guard plate, the guard plate is kept away from one side of guard box and is installed the handle.

(III) advantageous effects

The polarizer angle measuring device provided by the invention has the beneficial effects that:

1. after the straight edge of the measured polaroid is close to the reference edge of the polaroid of the fixed base, the polaroid is fixed by using a locking piece, the rotation angle module is rotated, when the brightness is the minimum value, the angle is displayed as the absorption axis angle of the measured polaroid, meanwhile, the approximate angle can be read in a physical mode, and when the brightness on the polaroid is the darkest, the degree indicated by the scale pointer is the absorption axis angle of the measured polaroid;

2. through the arranged locking piece, when the handle is rotated, the threaded rod descends, the pressing plate is firstly contacted with the measured polaroid in the descending process of the threaded rod, and the pressing plate can be buffered through the arranged spring, so that the rigid contact condition between the pressing plate and the measured polaroid can be reduced, and the damage condition of the locking piece to the measured polaroid when being fixed is reduced;

3. through the protection machanism who sets up, protection machanism can protect unable adjustment base, polaroid benchmark limit, first measuring mechanism and second measuring mechanism to can be carrying and deposit the in-process, unable adjustment base, polaroid benchmark limit, first measuring mechanism and second measuring mechanism receive to collide with and the condition of damaging, can further be convenient for remove this measuring device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a polarizer angle measurement apparatus provided in the present application;

FIG. 2 is a schematic side cross-sectional view of a polarizer angle measurement apparatus provided in the present application;

FIG. 3 is a schematic side view of a polarizer angle measurement apparatus according to the present disclosure;

FIG. 4 is a schematic structural diagram of a locking member of the polarizer angle measuring apparatus provided in the present application;

FIG. 5 is a schematic structural diagram of a protection mechanism of the polarizer angle measurement apparatus provided in the present application;

fig. 6 is a schematic structural diagram of a drawer guide and a support plate of the polarizer angle measuring device provided in the present application.

1. A fixed base;

2. a polarizer reference edge;

3. a first measuring mechanism; 301. a rotation angle module; 302. a reference polarizer; 303. a backlight module;

4. a second measuring mechanism; 401. a brightness module support; 402. a brightness sensing module; 403. a scale pointer;

5. a locking member; 501. a supporting strip; 502. a threaded rod; 503. a handle; 504. a chamber; 505. a T-shaped rod; 506. pressing a plate; 507. a spring;

6. an angle sensing module;

7. an angle display module;

8. a brightness display module;

9. a protection mechanism; 901. a protective box; 902. a support plate; 903. a drawer guide rail; 904. a protection plate; 905. a lock device.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1 and fig. 2, the present embodiment provides a polarizer angle measuring device, which includes a fixing base 1, a polarizer reference edge 2 is disposed on one side of the top of the fixing base 1, a measured polarizer is in contact with the polarizer reference edge 2 by disposing the polarizer reference edge 2, so as to be capable of conveniently aligning the position of the measured polarizer, a first measuring mechanism 3 is disposed in the middle of the fixing base 1, a second measuring mechanism 4 is disposed on the top of the polarizer reference edge 2, and two locking members 5 respectively disposed on two sides of the second measuring mechanism 4 are disposed on one side of the polarizer reference edge 2 close to the fixing base 1;

the first measuring mechanism 3 comprises a rotation angle module 301 which is rotatably connected to the middle part of the fixed base 1, a groove matched with the rotation angle module 301 is formed in the middle part of the fixed base 1, the rotation angle module 301 is positioned in the groove, a reference polaroid 302 is installed in the middle part of the rotation angle module 301, and a backlight module 303 is arranged below the reference polaroid 302;

the second measuring mechanism 4 comprises a brightness module support 401 fixedly mounted on the reference edge 2 of the polarizer, the end of the brightness module support 401 extends to the upper side of the rotation angle module 301 and is fixedly connected with a scale pointer 403, the brightness sensing module 402 and the scale pointer 403 can be supported by the brightness module support 401, the scale on the rotation angle module 301 can be conveniently indicated by the scale pointer 403, and the brightness sensing module 402 is arranged in the middle of the brightness module support 401;

be provided with angle induction module 6, angle display module 7 and luminance display module 8 on unable adjustment base 1, angle induction module 6 is close to rotation angle module 301, can measure the angle through setting up angle induction module 6.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

as shown in fig. 1 and 6, in addition to the above-described embodiments, the rotation angle module 301 is further provided with a scale, and the angle can be easily read by providing the scale.

As shown in fig. 1, 2 and 3, as a preferred embodiment, in addition to the above manner, the position of the brightness sensing module 402 corresponds to the middle of the backlight module 303, and the brightness sensing module 402 can be used for sensing brightness.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, as a preferred embodiment, on the basis of the above manner, further, the locking member 5 includes a supporting strip 501, the supporting strip 501 is fixedly installed on one side of the polarizer reference edge 2 close to the rotation angle module 301, and the position of the polarizer to be measured can be fixed by the provided locking member 5.

As shown in fig. 4, as a preferred embodiment, on the basis of the above manner, further, a threaded rod 502 is connected to the inner wall of the support bar 501 in a threaded manner, a handle 503 located above the support bar 501 is fixedly connected to the top end of the threaded rod 502, and the threaded rod 502 can be conveniently rotated by arranging the handle 503, so that the operation of a user is facilitated.

As shown in fig. 4, as a preferred embodiment, in addition to the above, a cavity 504 is further formed in the supporting bar 501, a T-shaped rod 505 is slidably connected in the cavity 504, the bottom end of the T-shaped rod 505 passes through the threaded rod 502 and extends to the lower side of the threaded rod 502, and a pressing plate 506 is fixedly connected to the bottom end of the T-shaped rod 505, and the pressing plate 506 is made of elastic rubber, so that damage to the measured polarizer can be reduced.

As shown in fig. 4, as a preferred embodiment, in addition to the above-mentioned mode, a spring 507 is fixedly installed on the top of the T-shaped rod 505, when the handle 503 is rotated, the threaded rod 502 descends, and when the threaded rod 502 descends, the pressing plate 506 first contacts with the polarizer to be measured, at this time, the pressing plate 506 can be buffered by the installed spring 507, so that the situation of rigid contact between the pressing plate 506 and the polarizer to be measured can be reduced, the situation that the locking member 5 damages the polarizer to be measured when fixed is reduced, and the top end of the spring 507 is fixedly connected with the top of the inner cavity of the chamber 504.

Example 3:

the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:

as shown in fig. 5, in addition to the above-described embodiment, a protection mechanism 9 is further provided outside the fixing base 1, and the protection mechanism 9 is used to protect the fixing base 1, the polarizer reference edge 2, the first measurement mechanism 3, and the second measurement mechanism 4, so that the fixing base 1, the polarizer reference edge 2, the first measurement mechanism 3, and the second measurement mechanism 4 can be damaged by being bumped during carrying and storage, and the movement of the measurement device can be further facilitated.

As shown in fig. 5 and fig. 6, as a preferred embodiment, on the basis of the above manner, further, the protection mechanism 9 includes a protection box 901, drawer guide rails 903 are fixedly mounted on inner walls of two sides of the protection box 901, a supporting plate 902 is fixedly connected between the two drawer guide rails 903, the supporting plate 902 can be supported and limited by the arranged drawer guide rails 903, so that the supporting plate 902 can be conveniently drawn out, the top of the supporting plate 902 is fixedly connected with the bottom of the fixed base 1, a protection plate 904 is fixedly connected to one side of the supporting plate 902, and the protection plate 904 is located outside the protection box 901 and contacts with one side of the protection box 901.

As shown in fig. 5 and fig. 6, as a preferred embodiment, on the basis of the above manner, further, a lock 905 is arranged between the top of the protection box 901 and the top of the protection plate 904, the lock 905 can lock the protection box 901 and the protection plate 904, a handle is installed on one side of the protection plate 904 away from the protection box 901, and the handle is convenient for moving the protection mechanism 9.

Specifically, this polaroid angle measuring device is at during operation/when using:

it can be known from the basic theory of the polarizer that when the absorption axes of two polarizers are perpendicular and overlapped, the light cannot penetrate through, so that a reference polarizer 302 can be arranged on the polarizer angle measuring device, the absorption axis angle is set, and the backlight module 303 is arranged below the reference polarizer 302 to emit light;

the brightness sensing module 402 can sense the brightness of the polarizer penetrated by the lower light and read from the brightness display area, but the brightness is the minimum value and is close to zero, which means that the absorption axes of the two polarizers are perpendicular to each other, the uppermost polarizer has no light penetration basically, the angle sensing module 6 arranged on the fixed base 1 senses the rotating angle and reads from the angle display module 7 when the rotation angle module 301 is rotated, the absorption axis angle of the reference polarizer 302 can be ninety degrees and is parallel to the reference edge 2 of the polarizer, the absorption axis angle can also be determined according to the requirement, the rotation angle module 301 is engraved with the corresponding angle, and the angle can be determined according to the requirement;

after the straight edge of the measured polarizer is close to the reference edge 2 of the polarizer, the polarizer is fixed by the locking piece 5, the rotation angle module 301 is rotated, when the brightness is the minimum value, the angle display module 7 displays the absorption axis angle of the measured polarizer, meanwhile, the approximate angle can be read in a physical mode, and when the brightness on the polarizer is the darkest, the degree indicated by the scale pointer 403 is the absorption axis angle of the measured polarizer.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The polaroid angle measuring device is characterized by comprising a fixed base (1), wherein a polaroid reference edge (2) is arranged on one side of the top of the fixed base (1), a first measuring mechanism (3) is arranged in the middle of the fixed base (1), a second measuring mechanism (4) is arranged on the top of the polaroid reference edge (2), and two locking pieces (5) respectively positioned on two sides of the second measuring mechanism (4) are arranged on one side, close to the fixed base (1), of the polaroid reference edge (2);

the first measuring mechanism (3) comprises a rotation angle module (301) which is rotatably connected to the middle part of the fixed base (1), a reference polaroid (302) is installed in the middle part of the rotation angle module (301), and a backlight module (303) is arranged below the reference polaroid (302);

the second measuring mechanism (4) comprises a brightness module support (401) fixedly mounted on the reference edge (2) of the polarizer, the end part of the brightness module support (401) extends to the position above the rotation angle module (301) and is fixedly connected with a scale pointer (403), and a brightness sensing module (402) is arranged in the middle of the brightness module support (401);

the angle display device is characterized in that an angle sensing module (6), an angle display module (7) and a brightness display module (8) are arranged on the fixed base (1), and the angle sensing module (6) is close to the rotating angle module (301).

2. A polarizer angle measurement apparatus according to claim 1, wherein the rotation angle module (301) has a scale.

3. A polarizer angle measurement apparatus according to claim 1, wherein the position of the brightness sensing module (402) corresponds to the middle of the backlight module (303).

4. A polarizer angle measurement device according to claim 1, wherein the locking member (5) comprises a support bar (501), and the support bar (501) is fixedly installed on one side of the polarizer reference edge (2) close to the rotation angle module (301).

5. A polarizer angle measurement device according to claim 4, wherein the inner wall of the support bar (501) is connected with a threaded rod (502) in a threaded manner, and the top end of the threaded rod (502) is fixedly connected with a handle (503) above the support bar (501).

6. A polarizer angle measurement device according to claim 5, wherein the supporting bar (501) has a cavity (504) opened therein, a T-shaped rod (505) is slidably connected in the cavity (504), and the bottom end of the T-shaped rod (505) passes through the threaded rod (502) and extends to below the threaded rod (502) and is fixedly connected with a pressure plate (506).

7. A polarizer angle measurement device according to claim 6, wherein a spring (507) is fixedly installed on the top of the T-shaped bar (505), and the top end of the spring (507) is fixedly connected with the top of the inner cavity of the chamber (504).

8. A polarizer angle measurement device according to claim 1, wherein a protection mechanism (9) is disposed outside the fixing base (1), and the protection mechanism (9) is used to protect the fixing base (1), the polarizer reference edge (2), the first measurement mechanism (3), and the second measurement mechanism (4).

9. A polarizer angle measurement device according to claim 8, wherein the protection mechanism (9) comprises a protection box (901), the inner walls of both sides of the protection box (901) are fixedly provided with drawer guide rails (903), a support plate (902) is fixedly connected between the two drawer guide rails (903), the top of the support plate (902) is fixedly connected with the bottom of the fixed base (1), one side of the support plate (902) is fixedly connected with a protection plate (904), and the protection plate (904) is located outside the protection box (901) and contacts with one side of the protection box (901).

10. A polarizer angle measurement device according to claim 9, wherein a lock (905) is disposed between the top of the protection box (901) and the top of the protection plate (904), and a handle is installed on one side of the protection plate (904) far from the protection box (901).