CN215492357U - Device for testing field angle and center precision - Google Patents
Device for testing field angle and center precision Download PDFInfo
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- CN215492357U CN215492357U CN202120094236.1U CN202120094236U CN215492357U CN 215492357 U CN215492357 U CN 215492357U CN 202120094236 U CN202120094236 U CN 202120094236U CN 215492357 U CN215492357 U CN 215492357U
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Abstract
The utility model discloses a device for testing the angle of field and the center precision, which comprises a test chart, a camera, a product, an infrared pen limiting jig, an infrared indicating pen, a working table and a telescopic bracket, wherein the test chart is arranged on the test chart; the drawing and the working table are placed at reasonable positions according to requirements, the infrared indicating pen is inserted into the jig positioning hole, the horizontal distance between the infrared light center line and the product camera center line is zero, the vertical distance is 30mm, the infrared indicating pen switch is pressed, the position where infrared light irradiates on the drawing is adjusted to be 30mm below the drawing center position, and at the moment, the product camera center is overlapped with the drawing center position. And electrifying the product to read the image, reading an angle value on a computer display screen at the moment, namely the angle value of the product camera, and respectively recording the angle value and the central offset value of the product camera. The device can accurately realize the measurement of the angle of the product view field, and has simple operation and high productivity.
Description
Technical Field
The utility model relates to a testing device, in particular to a device for testing the angle of field and the center precision.
Background
At present, the angle range of the camera in the industry is large or small, the camera is also subjected to angle deviation in threaded fit with the base, angle and center precision tests are not carried out on a plurality of cameras, even if the angle and center precision tests are tested, the traditional angle and center precision tests are not limited by products, center calibration is not carried out, only the approximate range of the angle of the camera can be measured, the center precision of the camera cannot be accurately measured, the angle range values of the upper part, the lower part, the left part and the right part are obtained, the operation efficiency is low, and lean production requirements are not met.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to provide a device for testing an angle of view and a center accuracy, so as to solve the problems of the related art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a device for testing the angle of view and the center precision comprises a test chart, a camera, a product and infrared pen limiting jig, an infrared indicating pen, a working table and a telescopic bracket, wherein the product and infrared pen limiting jig are fixedly installed on the upper surface of the working table, the infrared indicating pen is fixedly installed in the product and infrared pen limiting jig, and the camera can be placed in the product and infrared pen limiting jig; the infrared indicating pen irradiates infrared light to a position which is mm below the center position of a test chart, so that the center of the product camera is superposed with the center position of the test chart, and the test chart is installed on a drawing installation plate;
as a further scheme of the utility model: a stabilizer bar is arranged between the support rods below the working table, and the stabilizer bar is an aluminum profile;
as a further scheme of the utility model: a telescopic bracket is fixedly arranged below the drawing mounting plate, and the relative height of the test chart can be adjusted by using the telescopic bracket;
as a further scheme of the utility model: the telescopic support is composed of an inner rod and an outer barrel, wherein one end of the inner rod in the outer barrel is provided with a screw, and when the telescopic support extends to a proper position, the screw and the outer barrel are tightly clamped through screwing the screw, so that the telescopic support is fixed by fixing the inner rod.
As a further scheme of the utility model: fixedly connected with another a pair of telescopic bracket between the bracing piece on telescopic bracket on the drawing mounting panel and the work table, can adjust the relative position of work table and drawing mounting panel through adjusting this to telescopic bracket.
Compared with the prior art, the utility model has the beneficial effects that:
and the product is electrified to read images, and the angle value read on the computer display screen is the angle value of the product camera, and the angle value and the central offset value are recorded respectively. The device can accurately realize the measurement of the angle of the product view field, and has simple operation and high productivity.
Drawings
FIG. 1 is a schematic view of a device for testing the field angle and the center accuracy;
FIG. 2 is a schematic view of a mounting plate structure of a device for testing field angle and center accuracy;
FIG. 3 is a side view of a device for testing field angle and center accuracy;
FIG. 4 is a schematic structural diagram of a telescopic bracket in a device for testing field angle and center accuracy;
in the figure: 1 test chart, 2 cameras, 3 products and the spacing tool of infrared pen, 4 infrared ray pilot pens, 5 work tables, 6 telescopic bracket and 7 drawing mounting panels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, in the embodiment of the utility model, a device for testing the angle of view and the center precision includes a test chart 1, a camera 2, a product and infrared pen limiting jig 3, an infrared indication pen 4, a work table 5, a telescopic bracket 6 and a drawing mounting plate 7, wherein the product and infrared pen limiting jig 3 is fixedly mounted on the upper surface of the work table 5, the infrared indication pen 4 is fixedly mounted in the product and infrared pen limiting jig 3, and the camera 2 can be placed in the product and infrared pen limiting jig 3;
a stabilizer bar is arranged between the support rods below the working table 5, and the stabilizer bar is an aluminum profile;
the horizontal distance between the infrared light center line in the infrared indication pen 4 and the center line of the product camera 2 is zero, the vertical distance is 30mm, the infrared indication pen 4 irradiates infrared light to a position 30mm below the center position of the test chart 1, so that the center of the product camera 2 is superposed with the center position of the test chart 1, and the test chart 1 is arranged on a drawing mounting plate 7;
a telescopic bracket 6 is fixedly arranged below the drawing mounting plate 7, and the relative height of the test drawing 1 can be adjusted by using the telescopic bracket 6;
another pair of telescopic supports 6 is fixedly connected between the telescopic support 6 on the drawing mounting plate 7 and the support rod on the working table 5, and the relative positions of the working table 5 and the drawing mounting plate 7 can be adjusted by adjusting the pair of telescopic supports 6;
the telescopic support 6 comprises an inner rod and an outer barrel, wherein one end of the inner rod in the outer barrel is provided with a screw, and when the telescopic support 6 extends to a proper position, the screw and the outer barrel are tightly clamped through screwing the screw, so that the telescopic support 6 is fixed by fixing the inner rod.
The working principle of the utility model is as follows: the drawing and the working table are placed at reasonable positions according to requirements, the infrared indicating pen is inserted into the jig positioning hole, the horizontal distance between the infrared light center line and the product camera center line is zero, the vertical distance is 30mm, the infrared indicating pen switch is pressed, the position where infrared light irradiates on the drawing is adjusted to be 30mm below the drawing center position, and at the moment, the product camera center is overlapped with the drawing center position. And electrifying the product to read the image, reading an angle value on a computer display screen at the moment, namely the angle value of the product camera, and respectively recording the angle value and the central offset value of the product camera. The device can accurately realize the measurement of the angle of the product view field, and has simple operation and high productivity.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (5)
1. A device for testing the angle of field and the center precision comprises a working table (5) and a drawing mounting plate (7), and is characterized in that a product and infrared pen limiting jig (3) is fixedly mounted on the upper surface of the working table (5), an infrared indicating pen (4) is fixedly mounted in the product and infrared pen limiting jig (3), and a camera (2) can be placed in the product and infrared pen limiting jig (3); the infrared light central line is zero with product camera (2) central line horizontal distance in infrared ray pilot pen (4), vertical distance (30) mm, and infrared ray pilot pen (4) shine test chart (1) central point below (30) mm department with infrared light, makes product camera (2) center and test chart (1) central point coincide, and test chart (1) is installed on drawing mounting panel (7).
2. The device for testing the angle of field and the center accuracy according to claim 1, wherein a stabilizer bar is installed between the support rods below the working table (5), and the stabilizer bar is an aluminum profile.
3. The device for testing the angle of field and the center accuracy according to claim 1, wherein a telescopic bracket (6) is fixedly installed below the drawing mounting plate (7), and the relative height of the test chart (1) can be adjusted by using the telescopic bracket (6).
4. The device for testing the angle of field and the center accuracy of claim 1, wherein another pair of telescopic brackets (6) is fixedly connected between the telescopic bracket (6) on the drawing mounting plate (7) and the supporting rod on the work table (5), and the relative position of the work table (5) and the drawing mounting plate (7) can be adjusted by adjusting the pair of telescopic brackets (6).
5. The device for testing the angle of view and the center accuracy of the claim 4 is characterized in that the telescopic bracket (6) is composed of an inner rod and an outer cylinder, wherein a screw is installed at one end of the inner rod in the outer cylinder, when the telescopic bracket (6) is extended to a proper position, the screw is tightly clamped with the outer cylinder by screwing the screw, so that the inner rod is fixed, and the telescopic bracket (6) is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120094236.1U CN215492357U (en) | 2021-01-13 | 2021-01-13 | Device for testing field angle and center precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120094236.1U CN215492357U (en) | 2021-01-13 | 2021-01-13 | Device for testing field angle and center precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215492357U true CN215492357U (en) | 2022-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120094236.1U Active CN215492357U (en) | 2021-01-13 | 2021-01-13 | Device for testing field angle and center precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215492357U (en) |
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2021
- 2021-01-13 CN CN202120094236.1U patent/CN215492357U/en active Active
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