CN216898782U - Camera for detecting real edge of connector terminal - Google Patents
Camera for detecting real edge of connector terminal Download PDFInfo
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- CN216898782U CN216898782U CN202220319660.6U CN202220319660U CN216898782U CN 216898782 U CN216898782 U CN 216898782U CN 202220319660 U CN202220319660 U CN 202220319660U CN 216898782 U CN216898782 U CN 216898782U
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Abstract
The utility model discloses a camera for detecting the real edge of a connector terminal, which comprises a fixing support, wherein a product fixing mechanism, a coaxial light source, a lens and a camera are sequentially arranged on one side of the fixing support from top to bottom, the product fixing mechanism comprises an LED lamp strip, a lens, a first reflector and a second reflector, the camera is arranged on the lower side of the product fixing mechanism, the lens is arranged on one side of the camera, and a product positioning jig is arranged between the product fixing mechanism and the lens. The utility model adopts a light source scheme of professional design, light is emitted from the annular LED lamp strip, becomes parallel light in the horizontal direction after passing through the lens, and then irradiates on the terminal after being reflected by the first reflector and the second reflector, and the light rays are parallel, so that the height of the light source is controlled, the head of the terminal can be ensured to be illuminated, and the raised buckle on the terminal has no illumination, can irradiate a real edge under a terminal fillet, and can not irradiate an arc-shaped buckle, the interference of light reflection of the raised buckle is avoided, the problems that the real edge cannot be caught in detection and the like are solved, and the equipment has the definition and the accuracy of the best visual detection.
Description
Technical Field
The utility model relates to the technical field of automatic detection, in particular to a camera for detecting a real edge of a connector terminal.
Background
With the development of the automatic detection industry, the environment and complexity of the position to be detected of a product are higher and higher. The connector terminal needs to be visually detected according to the requirement of a customer, a socket in a groove of the connector provided by the customer is provided with four terminals, the head (bottom) of each terminal is rounded, the middle of each terminal is provided with a convex buckling structure, the real edge of the head of each terminal is required to be grabbed during detection, and the width of the head is smaller than that of the convex buckling structure.
However, in the current detection process, the raised buckle structure reflects light, the CCD camera can only see the plane on the terminal fillet and cannot see the real edge, and no proper light source is available in the market at present to meet the optical requirement on visual detection.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems in the prior art and provides a camera for detecting the real edge of the terminal of the connector, which adopts a specially designed light source scheme, can irradiate the real edge under the fillet of the terminal, can not irradiate the arc-shaped buckle, and avoids the interference generated by the convex buckle.
In order to achieve the purpose, the utility model provides the following technical scheme: a camera for detecting the real edge of a connector terminal comprises a fixing support, wherein a product fixing mechanism, a coaxial light source, a lens and a camera are sequentially arranged on one side of the fixing support from top to bottom, the product fixing mechanism is provided with a central through hole which is communicated up and down, the connector terminal is placed at the upper end of the central through hole of the product fixing mechanism, and light rays which horizontally irradiate towards the connector terminal are arranged at the upper end of the central through hole of the product fixing mechanism.
More specifically, the product fixing mechanism comprises a fixing shell, an LED lamp strip, a lens, a first reflector and a second reflector, wherein the LED lamp strip, the lens, the first reflector and the second reflector are arranged in the fixing shell, the fixing shell comprises a lower shell, an upper shell and a side wall fixedly connected with the lower shell and the upper shell, the middle part of the lower shell is fixedly connected with an inner barrel which protrudes upwards, the inner barrel is provided with a central cavity which is communicated with the upper part and the lower part, the center of the upper shell is provided with an outer barrel which is matched with the inner barrel, a first interlayer cavity is arranged between the inner barrel and the outer barrel, a second interlayer cavity is arranged between the lower shell and the upper shell, the upper end of the outer barrel is provided with a first opening communicated with the central cavity, a light transmission gap communicated with the first interlayer cavity is arranged between the upper end of the inner barrel and the upper end of the outer barrel, the first reflector is arranged at the lower side of the first interlayer cavity, the second reflector is just above the first reflector and close to the light transmission gap, the lens surrounds the first reflector and is arranged in the cavity of the second interlayer, and the LED lamp strip surrounds the outer side of the lens and is fixedly installed on the inner side of the side wall.
More specifically, LED lamp area and lens all are the annular setting.
More specifically, the first mirror and the second mirror each have a 45-degree reflective slope.
More specifically, fixed bolster one side is provided with the position control board, product fixed establishment passes through the position control board and is connected with the fixed bolster.
More specifically, a camera fixing piece is arranged on one side of the fixing support, and the camera and the lens are connected with the fixing support through the camera fixing piece.
More specifically, be provided with heat dissipation silica gel between LED lamp area and the lateral wall.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model adopts a specially designed light source scheme, light is emitted from the annular LED lamp strip, becomes parallel light in the horizontal direction after passing through the lens, and then is reflected by the first reflector and the second reflector and then is irradiated on the terminal, and because light rays are parallel, the height of the light source is controlled, the head of the terminal can be ensured to be illuminated, and the convex buckle on the terminal has no illumination, can be irradiated on a real edge under a terminal fillet and can not be irradiated on an arc buckle, thereby avoiding the interference of the reflection of the convex buckle, solving the problems that the real edge cannot be detected, and the like, and leading the equipment to have the definition and the accuracy of the best visual detection.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the connector to be tested
FIG. 3 is a schematic structural diagram of a connector terminal to be tested
FIG. 4 is a schematic structural view of a cross section of the present invention;
FIG. 5 is a schematic structural view of a cross section of a product holding mechanism according to the present invention;
fig. 6 is a ray roadmap within the product holding mechanism.
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. 1-6, an embodiment of a camera for detecting a real edge of a connector terminal is used for detecting the connector terminal 20, a CCD camera is used to photograph an outline of the terminal 20, and an image comparison is performed to check whether the terminal 20 is defective or not, the embodiment includes a fixing bracket 1, and a product fixing mechanism 2, a coaxial light source 12, a lens 7 and the camera 6 are sequentially arranged on one side of the fixing bracket 1 from top to bottom;
the product fixing mechanism 2 comprises a fixing shell, an LED lamp strip 21, a lens 3, a first reflecting mirror 4 and a second reflecting mirror 5;
the fixed shell comprises a lower shell 8 and an upper shell 9 arranged on the upper side of the lower shell 8, the lower shell 8 is fixedly connected with the upper shell 9 through a side wall 22, the middle part of the lower shell 8 is fixedly connected with an inner cylinder 10 protruding upwards, the inner cylinder 10 is provided with a central cavity 100 penetrating up and down, the middle part of the upper shell 9 is provided with an outer cylinder 11 matched with the inner cylinder 10, a first interlayer cavity 101 is arranged between the inner cylinder 10 and the outer cylinder 11, a second interlayer cavity 102 is arranged between the lower shell 8 and the upper shell 9, the upper end of the outer cylinder 11 is provided with a first open hole 103 communicated with the central cavity 100, a light-transmitting gap 104 communicated with the first interlayer cavity 101 is arranged between the upper end of the inner cylinder 10 and the upper end of the outer cylinder 11, the first reflector 4 is arranged on the lower side of the first interlayer cavity 101, the second reflector 5 is just above the first reflector 4 and is close to the light-transmitting gap 104, lens 3 encircles first speculum 4 and sets up in second intermediate layer cavity 102, LED lamp area 2 encircles and sets up in the outside of lens 3 and fixed mounting is inboard at lateral wall 22, for the convenience of heat dissipation, LED lamp area 22 and lateral wall 22 fill have heat dissipation silica gel, light is sent from LED lamp area 2, become the parallel light of horizontal direction behind lens 3, after first speculum 4 and second speculum 5 reflection again, on firing the terminal from printing opacity space 104, because of light is more parallel, the control light source height, can guarantee that the terminal head has illumination, and protruding buckle portion does not have illumination, can not take place the reflection of light, influence the visual detection of terminal head.
In an aspect of this embodiment, LED lamp area 2 and lens 3 all set up to be the annular, and LED lamp area 2 and lens 3 all set up under between casing 8 and the last casing 9, and annular LED lamp area 2 sends light, becomes the parallel light of nearly horizontal direction through annular lens 3.
In one aspect of the present embodiment, the position adjusting plate 13 at the side of the fixing bracket 1 functions to adjust the up-down position of the product fixing mechanism.
In one aspect of the present embodiment, the camera mount 14 provided on the side of the mount 1 serves to fixedly support the camera 6 and the lens 7.
The coaxial light source 12 provides more uniform illumination than the conventional light source, improves the accuracy and reproducibility of machine vision, can highlight the unevenness of the surface of an object, overcomes the interference caused by surface reflection, and is mainly used for detecting the bruising, scratching, cracking and foreign matters of the flat and smooth surface of the object.
The working principle of the utility model is as follows: this detect camera on real limit of connector terminal 20, wherein annular LED lamp area 21 sends light, become the parallel light that is nearly horizontal direction through annular lens 3, be 90 degrees vertical direction upwards reflection behind first speculum 4, become the parallel light source that is 90 degrees horizontal direction again after the reflection of second speculum 5, illuminate at terminal 20 head through printing opacity space 104, the real limit of terminal head can be illuminated, the light that reflects the real limit of terminal finally passes through central cavity 100 downwards, coaxial light source camera lens 3 is caught by the camera, all consumer in this scheme all supply power through external power source.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A camera for detecting a real edge of a connector terminal, which is used for detecting the connector terminal (20), comprises a fixing bracket (1), and is characterized in that: the LED lamp holder is characterized in that a product fixing mechanism (2), a coaxial light source (12), a lens (7) and a camera (6) are sequentially arranged on one side of the fixing support (1) from top to bottom, the product fixing mechanism (2) is provided with a central through hole which penetrates through the product fixing mechanism from top to bottom, the connector terminal (20) is placed at the upper end of the central through hole of the product fixing mechanism (2), and light rays horizontally emitting to the connector terminal (20) are arranged at the upper end of the central through hole of the product fixing mechanism (2).
2. The camera for detecting the real edge of the connector terminal as claimed in claim 1, wherein: the product fixing mechanism (2) comprises a fixing shell, an LED lamp strip (21), a lens (3), a first reflector (4) and a second reflector (5) which are arranged in the fixing shell, the fixing shell comprises a lower shell (8), an upper shell (9) and a side wall (22) fixedly connected with the lower shell (8) and the upper shell (9), an inner barrel (10) which is convex upwards is fixedly connected to the middle of the lower shell (8), the inner barrel (10) is provided with a central cavity (100) which is communicated up and down, an outer barrel (11) matched with the inner barrel (10) is arranged at the center of the upper shell (9), a first interlayer cavity (101) is arranged between the inner barrel (10) and the outer barrel (11), a second interlayer cavity (102) is arranged between the lower shell (8) and the upper shell (9), and a first opening (103) communicated with the central cavity (100) is formed in the upper end of the outer barrel (11), be provided with printing opacity space (104) with first intermediate layer cavity intercommunication between inner tube (10) upper end and urceolus (11) upper end, first speculum (4) set up in the downside of first intermediate layer cavity (101), second speculum (5) just are setting up just and are close to printing opacity space (104) directly over first speculum (4), and lens (3) encircle first speculum (4) and set up in second intermediate layer cavity (102), LED lamp area (21) encircle the outside and fixed mounting inboard at lateral wall (22) that set up at lens (3).
3. The camera for detecting the real edge of the connector terminal as claimed in claim 2, wherein: the LED lamp strip (21) and the lens (3) are both arranged in an annular shape.
4. The camera for detecting the real edge of the connector terminal as claimed in claim 1, wherein: the first reflector (4) and the second reflector (5) are provided with 45-degree reflecting inclined planes.
5. The camera for detecting the real edge of the connector terminal as claimed in claim 1, wherein: a position adjusting plate (13) is arranged on one side of the fixed support (1), and the product fixing mechanism (2) is connected with the fixed support (1) through the position adjusting plate (13).
6. The camera for detecting the real edge of the connector terminal as claimed in claim 1, wherein: the camera fixing piece (14) is arranged on one side of the fixing support (1), and the camera (6) and the lens (7) are connected with the fixing support (1) through the camera fixing piece (14).
7. The camera for detecting the real edge of the connector terminal as claimed in claim 2, wherein: and heat dissipation silica gel is arranged between the LED lamp strip (21) and the side wall (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220319660.6U CN216898782U (en) | 2022-02-17 | 2022-02-17 | Camera for detecting real edge of connector terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220319660.6U CN216898782U (en) | 2022-02-17 | 2022-02-17 | Camera for detecting real edge of connector terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216898782U true CN216898782U (en) | 2022-07-05 |
Family
ID=82185789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220319660.6U Active CN216898782U (en) | 2022-02-17 | 2022-02-17 | Camera for detecting real edge of connector terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216898782U (en) |
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2022
- 2022-02-17 CN CN202220319660.6U patent/CN216898782U/en active Active
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