CN216621465U - Color recognition system - Google Patents
Color recognition system Download PDFInfo
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- CN216621465U CN216621465U CN202122831060.6U CN202122831060U CN216621465U CN 216621465 U CN216621465 U CN 216621465U CN 202122831060 U CN202122831060 U CN 202122831060U CN 216621465 U CN216621465 U CN 216621465U
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Abstract
The utility model provides a color recognition system which is characterized by comprising a light source, an optical fiber collimating mirror and a spectrum recognition system, wherein the optical fiber collimating mirror receives light reflected by a color object to be detected under the irradiation of the light source and collects and transmits the light, the spectrum recognition system receives the light and recognizes the light, the optical fiber collimating mirror is connected with the spectrum recognition system through an optical fiber, and the spectrum recognition system comprises a collimating cemented mirror, a grating, a reflecting spherical mirror and an imaging sensor. The system is convenient and fast to realize color identification, is suitable for identifying different color samples in industry in large batch, and is high in color identification efficiency and high in measurement precision.
Description
Technical Field
The utility model belongs to an optical recognition device, and particularly relates to a color recognition system.
Background
In the field of color identification, along with the development of high-speed and automatic production, the work of identifying colors by human eyes is gradually replaced by an electronic technology, a color sensor is mainly used for identifying the colors of products, usually, a photodiode is used for collecting optical signals and converting the optical signals into analog signals, an A/D circuit is needed for collecting the signals, the signals are further processed and can be identified, the complexity of the circuit is increased, the noise influence of the signals can cause the occurrence of identification errors, in addition, the colors can be identified by adopting a photoelectric sensor and a color comparison mode, but the problem of poor color identification precision exists.
Disclosure of Invention
In view of the above, the present invention provides a color identification system, which is convenient for color identification, suitable for mass identification of different color samples in industry, and has high color identification efficiency and high measurement accuracy.
The specific technical scheme of the utility model is as follows:
the color recognition system is characterized by comprising a light source, an optical fiber collimating mirror and a spectrum recognition system, wherein the optical fiber collimating mirror receives light rays reflected by a color object to be detected under the irradiation of the light source and collects the light rays for transmission, the spectrum recognition system receives the light rays and recognizes the light rays, the optical fiber collimating mirror is connected with the spectrum recognition system through optical fibers, and the spectrum recognition system comprises a collimating cemented mirror, a grating, a reflecting spherical mirror and an imaging sensor.
Further, the light source is a white light source,
further, the grating is a reflective grating.
Further, the imaging sensor is a linear array CCD.
Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
FIG. 1 is a schematic diagram of the optical path of a color recognition system;
the system comprises a light source 1, a sample 2, an optical fiber collimating mirror 3, an optical fiber 4, a spectrum identification system 5, a collimating adhesive mirror 6, a grating 7, a reflecting spherical mirror 8 and an imaging sensor 9.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable 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. It is obvious to those skilled in the art that the above-mentioned terms have specific meanings in the present invention through specific situations.
Referring to fig. 1, the color recognition system of the present application includes a light source 1, an optical fiber collimating mirror 3 for receiving light reflected by a color object to be detected under the light source irradiation and collecting the light for transmission, and a spectrum recognition system 5 for receiving the light and recognizing, where the optical fiber collimating mirror 3 is connected with the spectrum recognition system 5 through an optical fiber 4, and the spectrum recognition system 5 includes a collimating cemented mirror 6, a grating 7, a reflective spherical mirror 8, and an imaging sensor 9.
In this embodiment, the light source 10 may be a collimated white light source or a coaxial white light source, and is a parallel light source, the light source 10 irradiates on the surface of the sample 2 with the color to be measured for reflection, the fiber collimator 3 collects light reflected on the surface of the sample 2, and transmits the light to the collimating adhesive mirror 6 in the spectrum recognition system 5 through the fiber 4, the collimating adhesive mirror 6 collimates the collected light and then transmits the light to the grating 7, and the grating 7 splits the incident light with different wavelengths.
The imaging sensor 9 of this embodiment is preferably a 2048 pixel linear array CCD, the optical fiber collimating mirror 3 has a light passing diameter of 10mm and a focal length of 15mm, and its port is an SMA905 optical fiber interface. The optical fiber 4 is a single-mode optical fiber having a core diameter of 50 μm.
In other embodiments, the imaging sensor 9 may further be connected to a computer, and the color information of the sample to be measured is transmitted to the computer through a serial communication line, so as to obtain a spectral curve of the sample to be measured.
While specific embodiments of the utility model have been described in detail with reference to exemplary embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. In particular, reasonable variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the foregoing disclosure, the drawings and the appended claims without departing from the spirit of the utility model. Except for variations and modifications in the component parts and/or arrangements, the scope of which is defined by the appended claims and equivalents thereof.
Claims (4)
1. The color recognition system is characterized by comprising a light source, an optical fiber collimating mirror and a spectrum recognition system, wherein the optical fiber collimating mirror receives light rays reflected by a color object to be detected under the irradiation of the light source and collects the light rays for transmission, the spectrum recognition system receives the light rays and recognizes the light rays, the optical fiber collimating mirror is connected with the spectrum recognition system through optical fibers, and the spectrum recognition system comprises a collimating cemented mirror, a grating, a reflecting spherical mirror and an imaging sensor.
2. The color recognition system of claim 1, wherein the light source is a white light source.
3. The color identification system of claim 1 wherein the grating is a reflective grating.
4. The color recognition system of claim 1, wherein the imaging sensor is a line CCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122831060.6U CN216621465U (en) | 2021-11-18 | 2021-11-18 | Color recognition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122831060.6U CN216621465U (en) | 2021-11-18 | 2021-11-18 | Color recognition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216621465U true CN216621465U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122831060.6U Active CN216621465U (en) | 2021-11-18 | 2021-11-18 | Color recognition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216621465U (en) |
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2021
- 2021-11-18 CN CN202122831060.6U patent/CN216621465U/en active Active
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