CN219319290U - Visual field angle measuring device - Google Patents

Abstract

The utility model discloses a view field angle measuring device in the technical field of view field measurement, and aims to solve the problems that in the prior art, when the view field angle measuring device is used for measuring a camera, a sensor is usually selected for completing the measurement, the cost of the device is high, and the camera is inconvenient to read directly. The positioning device comprises a bottom plate and a positioning rod, wherein the bottom plate is rotationally connected with a movable plate, the movable plate is detachably connected with the positioning rod, the bottom plate is provided with a mounting mechanism for fixing a product, and one side of the positioning rod on the bottom plate is provided with scales; the utility model is suitable for measuring the view field angle of the camera, and the view field angle of the product is measured by matching the positioning rod, the scale and the movable plate.

Description

Visual field angle measuring device

Technical Field

The utility model relates to a view field angle measuring device, and belongs to the technical field of view field measurement.

Background

One of the core components of the intelligent driving perception system is a vehicle-mounted camera, along with the intelligent development of the automobile industry, the effect is more obvious, the risk of collidable obstacles can be automatically identified by the view field angle, and the safety of people and automobiles is ensured to the greatest extent. The camera is applied in a plurality of types, and the angle range of the visual field is very wide, so that the angle of the visual field of the camera can be changed along with the requirements of different clients on the functions of the camera product, and the visual field angle measuring device is usually required to be used for completing the visual field angle measuring work of the camera.

When the existing view field angle measuring device measures the camera, a sensor is usually selected to finish the measurement, the cost of the device is high, the view field angle of the camera is inconvenient to read directly, and the working effect of the device is affected.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, provide a view field angle measuring device and solve the problems that when the view field angle measuring device is used for measuring a camera, a sensor is usually selected for completing the measurement, the cost of the device is high, and the view field angle of the camera is inconvenient to read directly.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a view field angle measuring device which comprises a bottom plate and a positioning rod, wherein a movable plate is rotatably connected to the bottom plate and detachably connected with the positioning rod, an installation mechanism for fixing a product is arranged on the bottom plate, and scales are arranged on one side of the positioning rod on the bottom plate.

Further, the movable plate is fan-shaped.

Further, a plurality of through holes are uniformly formed in the movable plate, and the through holes are matched with the positioning rods.

Further, the bottom plate is connected with a bolt in a threaded manner, and the movable plate is sleeved on the outer side of the bolt and is connected with the bolt in a rotating manner.

Further, the installation mechanism comprises an installation block and a fixing frame, a through groove matched with the fixing frame is formed in the installation block, a plurality of first threaded holes are formed in the outer side of the through groove in the installation block, the fixing frame is used for fixing the product, and the through groove is used for fixing the fixing frames at different angles.

Further, the mounting bracket is provided with a placing groove, four sides of the inner wall of the placing groove are respectively provided with a second threaded hole, and one end of each second threaded hole extends to the outer side of the mounting bracket.

Further, the product is located on one side of the bolt.

Further, the movable plate is made of transparent acrylic, and the mounting mechanism is made of bakelite.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the visual field angle measuring device, the positioning rod, the scales and the movable plate are matched, and the visual field angle of a product is measured;

2. according to the utility model, the through groove is matched with the fixing frame, so that the view field angles of products in different directions can be measured, and the practicability of the device is ensured;

3. according to the utility model, the placing groove is matched with the second threaded hole, so that the fixing work of products with different sizes is facilitated, the visual field angle measuring work of different products is performed, and the practicability of the device is ensured.

Drawings

Fig. 1 is a schematic perspective view of a view field angle measuring device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a front view of a base plate according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a front view structure of a movable plate according to an embodiment of the present utility model;

fig. 4 is a schematic front view of a fixing frame according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a bottom view of a mounting block provided in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic side view of a holder according to an embodiment of the present utility model;

fig. 7 is a schematic view showing a perspective structure of a movable plate when the movable plate is rotated clockwise according to an embodiment of the present utility model;

fig. 8 is a schematic perspective view illustrating a case where a movable plate is rotated counterclockwise according to an embodiment of the present utility model.

In the figure: 1. a bottom plate; 2. a movable plate; 3. a positioning rod; 4. a mounting mechanism; 5. a scale; 6. a through hole; 7. a mounting block; 8. a fixing frame; 9. a through groove; 10. a first threaded hole; 11. a placement groove; 12. and a second threaded hole.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-8, the utility model provides a view field angle measuring device, which comprises a bottom plate 1 and a positioning rod 3, wherein a movable plate 2 is rotatably connected to the bottom plate 1, the movable plate 2 is detachably connected with the positioning rod 3, a mounting mechanism 4 for fixing a product is arranged on the bottom plate 1, and a scale 5 is arranged on one side of the positioning rod 3 on the bottom plate 1; the movable plate 2 is made of transparent acrylic, and the mounting mechanism 4 is made of bakelite.

Specifically, when the visual field angle measurement work is required to be carried out on a camera product, the product is fixed in the installation mechanism 4, the shooting direction of the product faces the movable plate 2, the positioning rod 3 is installed on the movable plate 2, the shooting function of the product is started, the movable plate 2 is firstly rotated to the leftmost side of the bottom plate 1, the movable plate 2 is rotated clockwise, the positioning rod 3 rotates along with the movable plate 2, the shooting content of the product is observed, the rotation is stopped when the metal rod just appears in the shooting content, and the angle value of the positioning rod 3 on the scale 5 is recorded; rotating the movable plate 2 to the rightmost side of the bottom plate 1, rotating the movable plate 2 anticlockwise, stopping rotating when the positioning rod 3 just appears in the shooting content, and recording the angle value of the positioning rod 3 on the scale 5; the sum of the two angle values is a view field angle measurement value in the horizontal direction, and the view field angle measurement work of the product is completed; the material of fly leaf 2 is transparent ya keli, avoids causing the shielding to scale 5 for the relative position of locating lever 3 and scale 5 is convenient for observe, the material of installation mechanism 4 is bakelite, has higher mechanical strength, good insulativity, and heat-resisting corrosion-resistant, has guaranteed the stability of device during operation.

According to the utility model, the positioning rod 3, the scale 5 and the movable plate 2 are matched, so that the field angle of a product is measured, and compared with a traditional field angle measuring device, the field angle measuring device has the advantages of simple structure and low cost, ensures the economical efficiency of the device, can directly read the field angle of the product, and ensures the working effect of the device.

In one embodiment, the movable plate 2 is fan-shaped, and a plurality of through holes 6 are uniformly formed in the movable plate 2, and the through holes 6 are matched with the positioning rod 3.

Specifically, according to actual working requirements, the positioning rod 3 can be arranged at different positions on the movable plate 2, so that the working range of the device is enlarged, the working effect of the device is ensured, and the scales 5 are distributed in a fan shape.

An embodiment, threaded connection has the bolt on the bottom plate 1, fly leaf 2 cover is located the bolt outside and with the bolt rotates to be connected, the product is located bolt one side, fly leaf 2 rotates round the bolt when rotating, and the bolt is located one side of product to ensure that fly leaf 2 rotates round the product, avoid locating lever 3 and the position of product to take place the skew, thereby ensured the accuracy of device measurement view field angle.

An embodiment, the installation mechanism 4 includes installation piece 7 and mount 8, install on the piece 7 with mount 8 assorted logical groove 9, the installation piece 7 in a plurality of first screw holes 10 have been seted up in logical groove 9 outside, mount 8 is used for carrying out fixed work to the product, it is used for carrying out fixed work to mount 8 of different angles to lead to the groove 9.

Specifically, the second bolt is installed in the first threaded hole 10, so that the positions of the through groove 9 and the fixing frame 8 are fixed, a product is fixed in the fixing frame 8 before the work starts, the fixing frame 8 is fixed in the through groove 9, the through groove 9 can fix the fixing frames 8 with different angles, after the device measures the angle of the field of view of the product in the horizontal direction, the fixing frame 8 can be taken out of the through groove 9, then the fixing frame 8 is rotated by 90 degrees, the product is rotated by 90 degrees along with the fixing frame 8, the fixing frame 8 is placed in the inside of the through groove 9 again to be fixed, at the moment, the positioning rod 3, the movable plate 2 and the scale 5 are matched, the measuring work can be carried out on the angle of the field of view of the product in the vertical direction, and therefore the working range of the device is enlarged, and the angle of the field of view of the product in different directions can be measured; optionally, the fixing frame 8 is composed of a frame and four limiting blocks, the front view of the frame is square, the four limiting blocks are respectively positioned at the centers of four sides of the outer wall of the frame, namely, the fixing frame 8 is still matched with the through groove 9 after rotating for 90 degrees, and optionally, the front view of the frame is round; the through groove 9 is matched with the fixing frame 8, so that the viewing field angles of products in different directions can be measured, and the practicability of the device is ensured.

In one embodiment, the fixing frame 8 is provided with a placement groove 11, four sides of the inner wall of the placement groove 11 are respectively provided with a second threaded hole 12, and one end of each second threaded hole 12 extends to the outer side of the fixing frame 8.

When the fixing rack is used, a product is placed in the placing groove 11 when the product is fixed in the fixing rack 8, then the third bolt is installed in the second threaded hole 12, one end of the third bolt is abutted against the surface of the product, so that the product is fixed in the placing groove 11, when the product with different sizes is required to be fixed, the relative positions of the third bolt and the second threaded hole 12 can be adjusted, and therefore the product is fixed.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims (8)

1. The utility model provides a visual field angle measuring device, its characterized in that includes bottom plate (1) and locating lever (3), rotate on bottom plate (1) and be connected with fly leaf (2), fly leaf (2) with locating lever (3) can dismantle and be connected, be equipped with on bottom plate (1) and be used for fixed product's installation mechanism (4), on bottom plate (1) in locating lever (3) one side is equipped with scale (5).

2. A viewing angle measuring device according to claim 1, characterized in that the movable plate (2) is sector-shaped.

3. A viewing angle measuring device according to claim 2, characterized in that the movable plate (2) is uniformly provided with a plurality of through holes (6), and the through holes (6) are matched with the positioning rod (3).

4. The viewing angle measuring device according to claim 1, wherein the base plate (1) is screwed with a bolt, and the movable plate (2) is sleeved outside the bolt and is rotatably connected with the bolt.

5. The viewing field angle measuring device according to claim 1, wherein the mounting mechanism (4) comprises a mounting block (7) and a fixing frame (8), a through groove (9) matched with the fixing frame (8) is formed in the mounting block (7), a plurality of first threaded holes (10) are formed in the outer side of the through groove (9) in the mounting block (7), the fixing frame (8) is used for fixing products, and the through groove (9) is used for fixing the fixing frames (8) with different angles.

6. The viewing field angle measuring device according to claim 5, wherein the fixing frame (8) is provided with a placing groove (11), second threaded holes (12) are respectively formed in four sides of the inner wall of the placing groove (11), and one end of each second threaded hole (12) extends to the outer side of the fixing frame (8).

7. A viewing angle measuring device according to claim 4, wherein said product is located on one side of said bolt.

8. The viewing angle measuring device according to claim 1, wherein the movable plate (2) is made of transparent acrylic, and the mounting mechanism (4) is made of bakelite.

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