CN210377485U - Blade identification conformance OCR detection system - Google Patents
Blade identification conformance OCR detection system Download PDFInfo
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- CN210377485U CN210377485U CN201921512644.3U CN201921512644U CN210377485U CN 210377485 U CN210377485 U CN 210377485U CN 201921512644 U CN201921512644 U CN 201921512644U CN 210377485 U CN210377485 U CN 210377485U
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Abstract
The utility model discloses a blade identification conformity OCR detection system, which comprises a detection frame, wherein the detection frame is used for placing a workpiece to be detected; a camera mounted upside down on the inspection stand; the lens is fixedly connected with the lens end of the camera; the light source is arranged below the lens and is fixedly connected with the lens; and the industrial personal computer is respectively electrically connected with the camera and the light source. This system carries out image acquisition through camera and camera lens cooperation light source to waiting to detect the work piece on the testing stand, carries out OCR discernment and demonstration through the industrial computer, realizes blade compliance OCR's automatic verification and display function, this system compares in manual observation, can overcome the problem that manual operation error rate is high, inefficiency and consume the manpower, make blade sign compliance OCR testing process rate of accuracy and efficiency obtain showing and promote, can realize tracing back in the aspect of the quality management simultaneously and leave the trace.
Description
Technical Field
The utility model relates to a blade measurement inspection technical field, more specifically says so and relates to a blade sign compliance OCR detecting system.
Background
At present, the coincidence of the existing blade identification is judged, mostly by the mode of manual observation comparison, this kind of mode not only consumes the manpower, and efficiency and accuracy are all difficult to guarantee, often because of the artificial carelessness can not accurate discernment different batches of blade, cause blade manufacturing enterprise to give the problem of customer the wrong distribution blade, cause the influence of different degrees for the subsequent use of customer, simultaneously, if do not have the record data among the manual observation process, blade manufacturing enterprise also can't trace back the accurate source of wrong distribution blade, be not convenient for blade manufacturing enterprise to the optimal management of blade production quality.
Therefore, how to provide an efficient, accurate and highly automated system for determining the consistency of a blade identifier is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a blade sign compliance OCR detecting system, this system wait to detect the work piece and carry out image acquisition through camera and camera lens cooperation light source on to the testing stand, carry out OCR discernment and demonstration through the industrial computer, realize blade compliance OCR's automatic verification and demonstration function, this system compares in manual observation, can overcome manual operation's a great deal of adverse factor, rate of accuracy and efficiency are showing and are promoting, can realize traceing back in the aspect of the quality control and leave the trace simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a blade identification compliance OCR detection system, the system comprising:
the detection frame is used for placing the workpiece to be detected;
a camera mounted upside down on the inspection stand;
the lens is fixedly connected with the lens end of the camera;
the light source is arranged below the lens and is fixedly connected with the lens;
and the industrial personal computer is respectively electrically connected with the camera and the light source.
Further, the blade identification conformity OCR detection system further comprises a tool clamp, the tool clamp is placed on the detection frame, and the workpiece to be detected is clamped at the top of the tool clamp and corresponds to the lens in position.
Further, the detection frame comprises a transverse supporting rod, a vertical supporting rod and a measuring base, the transverse supporting rod and the vertical supporting rod are perpendicularly connected at the position close to the end part of one side respectively, one end, far away from the transverse supporting rod, of the vertical supporting rod is fixedly connected with one end of the measuring base, the tool clamp is placed in the middle of the measuring base, and the camera is fixedly installed on the transverse supporting rod and corresponds to the position of the tool clamp.
Furthermore, an annular fixing piece is arranged on the periphery of the outer wall of the lens and fixedly connected with the outer wall of the lens in a clamping manner, the light source is fixedly connected with an L-shaped mounting frame, the L-shaped mounting frame comprises vertically arranged lens fixing pieces and horizontally arranged light source fixing pieces, the lens fixing pieces are fixedly connected with the annular fixing pieces, and the light source fixing pieces are fixedly connected with the light source.
Specifically, the distance between the lens and the tool clamp is 200-240 mm.
Specifically, the workpiece to be detected is a blade or a circulation sheet. The leaves to be identified are divided into two types, wherein one type is that before spraying, the leaves are bright; one is a dark color after spraying.
The camera and the lens are matched with hardware such as a light source and the like to be used for reading two-dimensional code data on the paper circulation list, then character data on the blade marking position are read, the characters on the blade marking position are identified through the industrial personal computer, the identified characters are converted into character information, the character information is verified with the two-dimensional code data on the paper circulation list, the result is stored, whether red and green colors are in accordance with the color display or not is formed, and the color display is green if the red and green colors are in accordance with the color display or not. And finally, storing the data to provide tracing marks for the aspect of subsequent quality management.
According to the technical scheme, compare with prior art, the utility model discloses a blade identification compliance OCR detecting system, this system waits to detect the work piece and carry out image acquisition through camera and camera lens cooperation light source on to the testing stand, carry out OCR discernment and demonstration through the industrial computer, realize blade compliance OCR's automatic verification and display function, this system compares in manual observation, can overcome manual operation error rate height, the inefficiency just consumes the problem of manpower, make blade identification compliance OCR testing process rate of accuracy and efficiency obtain showing and promoting, can realize traceing back in the aspect of quality control and leave the trace simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an OCR detection system for blade identification compliance according to the present invention;
fig. 2 is a schematic structural diagram of an OCR detection system for blade identification compliance according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an operating principle of an OCR detection system for blade identification compliance according to an embodiment of the present invention;
fig. 4 is a schematic operation flow diagram of an OCR detection system for blade identification compliance according to an embodiment of the present invention.
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, the embodiment of the present invention discloses a blade identification compliance OCR detection system, which includes:
the detection frame 5 is used for placing a workpiece 7 to be detected;
the camera 2 is arranged on the detection frame 5 in an inverted mode;
the camera comprises a lens 1, wherein the lens 1 is fixedly connected with the lens end of a camera 2;
the light source 3 is arranged below the lens 1, and the light source 3 is fixedly connected with the lens 1;
the industrial personal computer 4 is electrically connected with the camera 2 and the light source 3 respectively.
In a specific embodiment, the blade identification compliance OCR detection system further includes a tooling fixture 6, the tooling fixture 6 is placed on the detection frame 5, and the workpiece 7 to be detected is clamped and fixed at the top of the tooling fixture 6 and corresponds to the position of the lens 3.
Specifically, used camera 2 is the million cameras of kannai vision in this embodiment, and camera 1 adopts high definition camera lens to guarantee the required precision of data acquisition, industrial computer 4 also can be the PC host computer.
In a specific embodiment, the detecting frame 5 includes a transverse supporting rod 51, a vertical supporting rod 52 and a measuring base 53, the transverse supporting rod 51 and the vertical supporting rod 52 are vertically connected at a position close to one end of each of the transverse supporting rods 51 and the vertical supporting rod 52, one end of the vertical supporting rod 52 far away from the transverse supporting rod 51 is fixedly connected with one end of the measuring base 53, the tool clamp 6 is placed in the middle of the measuring base 53, and the camera 2 is fixedly mounted on the transverse supporting rod 51 and corresponds to the tool clamp 6 in position.
In a specific embodiment, a ring-shaped fixing member 8 is disposed around the outer wall of the lens 3, the ring-shaped fixing member 8 is fixedly fastened to the outer wall of the lens 3, the light source 1 is fixedly connected to an L-shaped mounting frame 9, the L-shaped mounting frame 9 includes a vertically arranged lens fixing member and a horizontally arranged light source fixing member, the lens fixing member is fixedly connected to the ring-shaped fixing member 8, and the light source fixing member is fixedly connected to the light source 1.
Specifically, the distance between the lens 3 and the tool clamp 6 is 200 mm-240 mm. The lens in this embodiment is a 16mm lens.
Specifically, the light source 1 in this embodiment adopts an LED annular light source, and the light source fixing member is composed of two connecting pieces arranged in parallel, and the two connecting pieces are respectively fixed to the outer walls at the two ends of the annular top of the LED annular light source, so that the light source fixing member does not shield light emitted from the inner ring of the annular light source.
In some embodiments, referring to fig. 2, to facilitate measurement and simplify system configuration, the light source 1 is often placed directly on the tooling fixture 6, and the workpiece 7 to be inspected is placed on the tooling fixture 6 and in the inner ring of the light source 1.
Specifically, the workpiece 7 to be detected is a blade or a flow sheet. The leaves to be identified are divided into two types, wherein one type is that before spraying, the leaves are bright; one is a dark color after spraying.
Referring to fig. 3, the operation principle of the system provided in this embodiment will be briefly described:
visual hardware such as a camera 2, a lens 1 and a light source 3 which are installed on the detection frame 5 replaces manual work to read two-dimensional code data on the paper circulation list firstly, then characters on the blade marking positions are read, then the characters on the blade marking positions are identified through the industrial personal computer 4, the identified characters are converted into character information and verified with the two-dimensional code data on the paper circulation list, and whether detection results accord with the characters are displayed on the industrial personal computer 4 through red and green colors, wherein the characters accord with the colors and do not accord with the colors. And finally, storing all the data to provide tracing marks for the aspect of subsequent quality management.
Referring to fig. 4, a brief description is made of the operation flow of the system provided in this embodiment:
an operator logs in a user on an industrial personal computer, then a paper two-dimensional code circulation list is placed at the position of a tool clamp, a camera is triggered to shoot and recognize the two-dimensional code data, then the first blade to the last blade in the whole batch of blades are replaced, the camera automatically collects and recognizes characters on the labeling positions of the blades, the recognized characters are converted into character information through the industrial personal computer, the character information is verified with the two-dimensional code data on the paper circulation list, the result is stored, whether red and green colors are displayed on the industrial personal computer, the color is green, and the color is not red. And finally, storing the data for subsequent tracing.
The OCR (Optical character recognition) mentioned in the present invention refers to a process of scanning text data and then analyzing and processing an image file to obtain text and layout information, which was first proposed by the german scientist Tausheck in 1929.
The main indicators for measuring the performance of the OCR system are: the method comprises the following steps of refusing recognition rate, error recognition rate, recognition speed, user interface friendliness, product stability, usability, feasibility and the like.
Compared with the prior art, the embodiment of the utility model discloses a blade sign compliance OCR detecting system has following advantage:
1. the method comprises the following steps of collecting images of a workpiece to be detected on a detection frame through a camera and a lens matched light source, and performing OCR (optical character recognition) and display through an industrial personal computer to realize the automatic verification and display functions of the OCR of blade conformity;
2. compared with manual observation and comparison, the system can overcome the problems of high manual operation error rate, low efficiency and manpower consumption, obviously improves the accuracy and efficiency of the OCR detection process of the blade identification conformity, and can realize tracing and marking in the aspect of quality management.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An OCR detection system for blade identification compliance, comprising:
the detection frame (5), the detection frame (5) is used for placing a workpiece (7) to be detected;
a camera (2), wherein the camera (2) is arranged on the detection frame (5) in an inverted mode;
the lens (3), the said lens (3) is fixedly connected with lens end of the said camera (2);
the light source (1), the said light source (1) is set up below the said lens (3), and fixedly connect with said lens (3);
the industrial personal computer (4), industrial personal computer (4) respectively with camera (2) with light source (1) electricity is connected.
2. An OCR detection system for blade identification compliance according to claim 1, further comprising a tooling fixture (6), wherein the tooling fixture (6) is placed on the detection frame (5), and a workpiece (7) to be detected is clamped and fixed at the top of the tooling fixture (6) and corresponds to the lens (3) in position.
3. An OCR detection system for blade identification compliance according to claim 2, wherein the detection frame (5) comprises a transverse support rod (51), a vertical support rod (52) and a measurement base (53), the transverse support rod (51) and the vertical support rod (52) are vertically connected at the end position close to one side respectively, one end of the vertical support rod (52) far away from the transverse support rod (51) is fixedly connected with one end of the measurement base (53), the tooling fixture (6) is placed in the middle of the measurement base (53), and the camera (2) is fixedly installed on the transverse support rod (51) and corresponds to the tooling fixture (6) in position.
4. An OCR detection system according to claim 2, wherein the lens (3) is spaced from the tool holder (6) by 200mm to 240 mm.
5. An OCR detection system for blade identification conformity according to claim 1, wherein an annular fixing member (8) is arranged on the periphery of the outer wall of the lens (3), the annular fixing member (8) is fixedly connected with the outer wall of the lens (3) in a clamping manner, the light source (1) is fixedly connected with an L-shaped mounting frame (9), the L-shaped mounting frame (9) comprises a vertically arranged lens fixing member and a horizontally arranged light source fixing member, the lens fixing member is fixedly connected with the annular fixing member (8), and the light source fixing member is fixedly connected with the light source (1).
6. An OCR detection system according to any of the claims 1 to 5, characterized in that the workpiece (7) to be detected is a blade or a flow sheet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921512644.3U CN210377485U (en) | 2019-09-11 | 2019-09-11 | Blade identification conformance OCR detection system |
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| CN201921512644.3U CN210377485U (en) | 2019-09-11 | 2019-09-11 | Blade identification conformance OCR detection system |
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| CN210377485U true CN210377485U (en) | 2020-04-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847269A (en) * | 2020-12-31 | 2021-05-28 | 广东中科微精光子制造科技有限公司 | Turbine blade automatic identification device |
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- 2019-09-11 CN CN201921512644.3U patent/CN210377485U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112847269A (en) * | 2020-12-31 | 2021-05-28 | 广东中科微精光子制造科技有限公司 | Turbine blade automatic identification device |
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Effective date of registration: 20221111 Address after: 214101 No. 8, Dongting Chunxin East Road, Xishan District, Wuxi City, Jiangsu Province Patentee after: Wuxi inspection and Certification Institute Address before: 214101 No. 8, Dongting Chunxin East Road, Xishan District, Wuxi City, Jiangsu Province Patentee before: WUXI METROLOGY TESTING INSTITUTE |