CN212135056U

CN212135056U - Double-telecentric lens with built-in illumination function

Info

Publication number: CN212135056U
Application number: CN202021305962.5U
Authority: CN
Inventors: 黄忠辉; 陈威年
Original assignee: Shenzhen Waterlong Technology Co ltd
Current assignee: Shenzhen Waterlong Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2020-12-11
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to a telecentric lens technical field, in particular to a double telecentric lens with built-in illumination function, which comprises a camera and a telecentric lens body, wherein the right end of the camera is fixedly connected with the telecentric lens body, the right end of the telecentric lens body is fixedly connected with an illumination source, the outer side of the telecentric lens body is fixedly connected with a fixed frame, the lower end of the fixed frame is fixedly connected with a first linear module slider, and the lower end of the first linear module slider is connected with a linear module in a sliding way; the utility model discloses in, through the solid fixed ring of casing, LED lamp pearl, lens, convex lens, first straight line module slider, the straight line module slider of second and the straight line module that sets up, can adjust the spotlight degree of light, can realize the accurate control of distance between camera lens and the object that awaits measuring, the operation of being convenient for is favorable to improving the precision that detects.

Description

Double-telecentric lens with built-in illumination function

Technical Field

The utility model relates to a telecentric mirror head technical field specifically is a two telecentric mirror heads with built-in illumination function.

Background

Industrial lens is an important imaging element in machine vision system, if the system wants to fully play its function, the industrial lens must meet the requirement, in the beginning of 21 century, with the wide application of machine vision system in the field of precision detection, the common industrial lens is difficult to meet the detection requirement, in order to make up the shortage of common lens application, and adapt to the precision detection requirement, the telecentric lens is produced, and the machine vision parallel light source as one of the important components of machine vision system, its main function is: the target is illuminated, and the brightness is improved; forming an effect beneficial to image processing and highlighting the measurement characteristics; the interference of ambient light is overcome, and the stability of the image is ensured.

At present, the lighting method of telecentric lens mainly has backlight source to polish, coaxial light source polishes, annular light source polishes and four kinds of modes of telecentric parallel light source polishes, it respectively has respective advantage and disadvantage, can select one kind to use in the measurement, but no matter which kind of mode is outside auxiliary light source, most two telecentric lens self do not all possess the illumination function, it is relatively poor to make measurement accuracy in measuring, and often fix the object to be measured and camera lens on same straight line in the measurement process, need artifically to adjust the distance between camera lens and the object to be measured in the measurement, be not convenient for use, the event provides a two telecentric lens with built-in illumination function to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two telecentric mirror heads with built-in illumination function to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a two telecentric mirror heads with built-in illumination function, includes camera and telecentric mirror head body, camera right-hand member fixedly connected with telecentric mirror head body, telecentric mirror head body right-hand member fixedly connected with light source, telecentric mirror head body outside fixedly connected with mount, the first linear module slider of mount lower extreme fixedly connected with, first linear module slider lower extreme sliding connection has sharp module.

Preferably, the middle part of the upper end of the linear module is slidably connected with a second linear module sliding block, an object to be detected is arranged at the upper end of the second linear module sliding block, and the right side of the upper end of the linear module is fixedly connected with a backlight plate.

Preferably, the illuminating light source comprises a shell and LED lamp beads, the inner side of the left end of the shell is fixedly connected with the telecentric lens body through threads, and the LED lamp beads are fixedly connected inside the shell.

Preferably, the casing outside sliding connection has the solid fixed ring of lens, the solid fixed ring inboard fixedly connected with convex lens of lens.

Preferably, the casing is the setting of hollow bowl form, and LED lamp pearl evenly distributed is on the inboard inner wall surface of casing right-hand member.

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

1. in the utility model, through the shell, the LED lamp beads, the lens fixing ring and the convex lens, the shell is hollow and bowl-shaped, the LED lamp beads are uniformly distributed on the inner wall surface of the inner side of the right end of the shell, and the right side of the LED lamp beads is provided with the convex lens, the convex lens can assemble the light of the LED lamp beads, so that the light of the lighting source is concentrated, meanwhile, the lens fixing ring is slidably connected to the outer side of the shell, and the convex lens can be close to and far away from the LED lamp beads by sliding the lens fixing ring left and right, so that the concentration degree of the light;

2. the utility model discloses in, through the first straight line module slider, the straight line module slider of second and the straight line module that sets up, first straight line module slider and the straight line module slider of second all can slide in the upper end of straight line module, and this kind of setting is convenient for adjust the distance between telecentric lens body, the object to be measured and the backlight unit three, can realize accurate control through the straight line module, and the operation of being convenient for is favorable to improving the precision that detects.

Drawings

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

fig. 2 is a schematic view of the installation structure of the illumination light source of the present invention.

In the figure: the system comprises a camera 1, a telecentric lens body 2, an illumination light source 3, a fixing frame 4, a first linear module sliding block 5, a linear module 6, a second linear module sliding block 7, an object to be detected 8, a backlight plate 9, a shell 10, an LED lamp bead 11, a lens fixing ring 12 and a convex lens 13.

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, the present invention provides a technical solution:

the utility model provides a two telecentric mirror heads with built-in illumination function, includes camera 1 and telecentric mirror head body 2, 1 right-hand member fixedly connected with telecentric mirror head body 2 of camera, 2 right-hand member fixedly connected with illuminating light source 3 of telecentric mirror head body, 2 outside fixedly connected with mounts 4 of telecentric mirror head body, the first straight line module slider 5 of 4 lower extreme fixedly connected with of mount, 5 lower extreme sliding connection of first straight line module slider have sharp module 6.

Linear module 6 upper end middle part sliding connection has second

linear module slider

7, 7 upper ends of second linear module slider are equipped with the object 8 that awaits measuring, 6 upper end right side fixedly connected with board 9 in a poor light of linear module, this kind of setting is convenient for adjust telecentric lens body 2 and the distance between the object 8 that awaits measuring, illuminating source 3 includes casing 10 and LED lamp pearl 11, casing 10 left end inboard is through screw thread and telecentric lens body 2 fixed connection, the inside fixedly connected with LED lamp pearl 11 of casing 10, casing 10 outside sliding connection has solid fixed ring 12 of lens, the solid fixed ring 12 inboard fixedly connected with convex lens 13 of lens, casing 10 is the setting of hollow bowl form, and LED lamp pearl 11 evenly distributed is on the inboard inner wall surface of casing 10 right-hand member.

The working process is as follows: be external power supply with electrical apparatus, first straight line module slider 5 and second straight line module slider 7 all can slide in the upper end of straight line module 6, this kind of setting is convenient for adjust telecentric lens body 2, the distance between object 8 that awaits measuring and the board three in a poor light, can realize accurate control through straight line module 6, be convenient for operate, be favorable to improving the precision that detects, casing 10 is the setting of hollow bowl form, and LED lamp pearl 11 evenly distributed is at the inboard inner wall surface of casing 10 right-hand member, and be equipped with convex lens 13 in LED lamp pearl 11 right side, convex lens 13 can assemble LED lamp pearl 11's light, make light of light source 3 concentrate, and simultaneously, casing 10 outside sliding connection has solid fixed ring of lens 12, solid fixed ring of lens 12 can make convex lens 13 be close to and keep away from LED lamp pearl 11, thereby can adjust the spotlight degree of light.

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. The utility model provides a two telecentric lens with built-in illumination function, includes camera (1) and telecentric lens body (2), its characterized in that: camera (1) right-hand member fixedly connected with telecentric lens body (2), telecentric lens body (2) right-hand member fixedly connected with light source (3), telecentric lens body (2) outside fixedly connected with mount (4), mount (4) lower extreme fixedly connected with first linear module slider (5), first linear module slider (5) lower extreme sliding connection has sharp module (6).

2. A double telecentric lens with built-in illumination function according to claim 1, wherein: the LED lamp is characterized in that a second linear module sliding block (7) is slidably connected to the middle of the upper end of the linear module (6), an object to be tested (8) is arranged at the upper end of the second linear module sliding block (7), and a backlight plate (9) is fixedly connected to the right side of the upper end of the linear module (6).

3. A double telecentric lens with built-in illumination function according to claim 1, wherein: the illuminating light source (3) comprises a shell (10) and LED lamp beads (11), the left end of the shell (10) is inboard connected with the telecentric lens body (2) through threads, and the shell (10) is internally and fixedly connected with the LED lamp beads (11).

4. A double telecentric lens with built-in illumination function according to claim 3, wherein: casing (10) outside sliding connection has the solid fixed ring of lens (12), the inboard fixedly connected with convex lens (13) of the solid fixed ring of lens (12).

5. A double telecentric lens with built-in illumination function according to claim 3, wherein: casing (10) are hollow bowl form setting, and LED lamp pearl (11) evenly distributed is on casing (10) right-hand member inboard inner wall surface.