RGB array color photoelectric sensor emitting white light
By designing an RGB array color photoelectric sensor that emits white light, using LED beads and filters to emit white light, the problem of unstable detection in existing RGB array color photoelectric sensors when the workpiece is tilted or the distance changes is solved, and high-precision and stable color detection is achieved.
Patent Information
- Application Number
- CN202520626606.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-04
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-04
AI Technical Summary
Existing RGB array color photoelectric sensors have difficulty detecting differences in appearance color when the workpiece is tilted or the distance changes, and long-distance detection is inconvenient, which affects the detection process.
Design an RGB array color photoelectric sensor that emits white light, comprising LED beads, filters, photoelectric sensing units and circuit boards. Utilize white light to reduce measurement errors, improve detection stability and accuracy, and adapt to workpiece tilt and distance changes.
It enables stable detection of appearance color differences when the workpiece is tilted or the distance changes, reduces the probability of false detection, is suitable for long-distance detection, expands the detection range, can identify thin workpieces and metal colors, and improves detection stability and accuracy.
Smart Images
Figure CN223727268U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to photoelectric sensor technical field, especially relate to a RGB array color photoelectric sensor of emitting white light. BACKGROUND
[0002] RGB array color photoelectric sensor is a kind of photoelectric detection equipment that can perceive color information, it is composed of multiple tiny photoelectric response unit array, each unit has different sensitivity to red (R), green (G), blue (B) three primary color light respectively, by detecting and analyzing the intensity of the three primary color light, convert optical signal into electrical signal, and then accurately identify and measure the color information of the detected object or scene, widely used in color recognition, image acquisition, industrial detection, robot vision and other fields.
[0003] The existing RGB array color photoelectric sensor usually emits red light, when workpiece is inclined or distance changes, the appearance color difference of workpiece cannot be detected, and detection is also inconvenient when distance is far, which brings certain adverse effect to workpiece detection process, in order to solve the problems of prior art, we propose a RGB array color photoelectric sensor of emitting white light. UTILITY MODEL CONTENT
[0004] The utility model mainly aims at providing a RGB array color photoelectric sensor of emitting white light, which can effectively solve the problems in the background art.
[0005] To achieve the above object, the utility model takes the technical scheme that:
[0006] A RGB array color photoelectric sensor of emitting white light, including shell, the middle of the front end outer surface of shell is provided with glass cover plate, the inside of glass cover plate is provided with lamp pearl, the inside of shell is provided with photoelectric response unit and filter, the filter is arranged above photoelectric response unit, the rear end of lamp pearl is provided with circuit board in the inside of shell, the circuit board has two specifications, and the two specifications are W500 and W70, the upper end of two circuit boards is provided with signal processing module, the inside of signal processing module is provided with RGB receiving array, the upper end of two circuit boards is also provided with signal transmission module, the lower part of the rear end of shell is provided with power cord, the middle of the rear end outer surface of shell is provided with display screen, the upper end of the front end of shell is provided with pilot lamp.
[0007] Preferably, the outer is metal material, the inside of filter is provided with white filter, the specification of W500 of circuit is provided with a group of lamp pearls and a group of RGB receiving arrays.
[0008] Preferably, the photoelectric sensing unit is internally provided with a photoelectric diode, and two groups of lamp beads and one group of RGB receiving arrays are arranged on the W70 specification of the circuit board.
[0009] Preferably, the signal processing module is internally provided with an analog-to-digital converter.
[0010] Preferably, the signal transmission module is provided with a signal transmitter, and the filter, the photoelectric sensing unit, the circuit board, the signal processing module, the signal transmission module and the display screen are electrically connected.
[0011] Preferably, the glass cover plate is a transparent glass cover plate, and the glass cover plate and the shell are provided with a mounting interface, and the glass cover plate is detachably connected with the shell through the mounting interface.
[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0013] In the utility model, the lamp beads, the filter and the photoelectric sensing unit can make the sensor emit white light spots, the RGB receiving array can uniformly receive the white light reflected by the object, the measurement error is reduced, the measurement precision is improved, the white light spots can stably detect the appearance color difference of the workpiece even when the workpiece is inclined or the distance changes, the workpiece inclination state has little influence, the workpiece distance change has little influence, the probability of measurement error is reduced, the detection stability is improved, the high-brightness white light spots can stably detect the workpiece at a long distance.
[0014] The utility model is used in a wider range, because the white light spots can detect some thin workpieces, can identify the color of metal and the type of workpiece, can identify the color of the conveying box and the existence of glue on the workpiece, the indicator light can make people intuitively see the working state of the sensor, the W500 specification sensor can stably detect in various detection ranges, the W70 sensor is smaller in size, can save space, and the white light spots are smaller, can support the detection of small workpieces. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the overall structure schematic view of the utility model;
[0016] Figure 2 It is the internal structure schematic view of the utility model;
[0017] Figure 3 It is the W500 specification circuit board structure schematic view of the utility model;
[0018] Figure 4It is the W70 specification circuit board structure schematic diagram of the utility model;
[0019] Figure 5 It is the shell back structure schematic diagram of the utility model;
[0020] Figure 6 It is the RGB receiving array structure schematic diagram of the utility model.
[0021] In the drawing: 1, shell, 2, glass cover plate, 3, lamp pearl, 4, indicating lamp, 5, filter, 6, photoelectric response unit, 7, circuit board, 8, signal processing module, 9, signal transmission module, 10, display screen, 11, power line. Specific implementation
[0022] In order to make the technical means, creation features, achieve purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation.
[0023] As shown in Figures 1-6 The shell 1 is metal material, is used for protecting the sensor, also is convenient for the sensor to install, the front end outer surface middle of shell 1 is provided with glass cover plate 2, glass cover plate 2 is transparent glass material, is embedded in the middle of shell 1, the inside of glass cover plate 2 is provided with lamp pearl 3, lamp pearl 3 can emit white light, glass cover plate 2 is used to protect lamp pearl 3, the inside of shell 1 is provided with photoelectric response unit 6 and filter 5, filter 5 is set on the top of photoelectric response unit 6, filter 5 is used to filter white light, so that lamp pearl 3 can emit white light spot, the rear end of lamp pearl 3 is provided with circuit board 7 in the inside of shell 1, circuit board 7 is used to process circuit signal, the top of circuit board 7 is provided with signal processing module 8, the inside of signal processing module 8 is provided with RGB receiving array, can evenly receive the white light reflected by object, reduce measurement error, improve measurement precision, signal processing module 8 is used to process the signal of sensor, the top of circuit board 7 is also provided with signal transmission module 9, signal transmission module 9 is used to transmit the signal, circuit board 7 is divided into W500 and W70 two kinds of specifications, the circuit board 7 of W500 specification is provided with a group of lamp pearl 3 and a group of RGB receiving array, the detection range is wider, the circuit board 7 of W70 specification is provided with two groups of lamp pearl 3 and a group of RGB receiving array, the volume is smaller, saves the space, the rear end of shell 1 is provided with power line 11 below, power line 11 is used to connect power supply, provides power for sensor, the rear end outer surface middle of shell 1 is provided with display screen 10, display screen 10 can show the information detected by sensor, the front end top of shell 1 is provided with indicating lamp 4, indicating lamp 4 can show the working state of sensor.
[0024] It needs explanation, the utility model discloses a RGB array color photoelectric sensor of emitting white light, when using, will shell 1 install in the vicinity of the workpiece of needing to detect, such as the vicinity of conveyer belt, power cord 11 connects power supply, lamp pearl 3 emits white light point through filter 5 and photoelectricity response unit 6, irradiate on the workpiece of transmission, and sensor handles the information of response through circuit board 7, signal processing module 8 and signal transmission module 9, then shows on display screen 10, and then carries out detection work.
[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An RGB array color photosensor emitting white light comprising a housing (1) characterized in that: The front end outer surface of the shell (1) is provided with a glass cover plate (2), the inside of the glass cover plate (2) is provided with a lamp bead (3), the inside of the shell (1) is provided with a photoelectric sensing unit (6) and a filter (5), the filter (5) is arranged above the photoelectric sensing unit (6), the rear end of the lamp bead (3) is provided with a circuit board (7) in the shell (1), the circuit board (7) has two specifications, W500 and W70, the upper end of the two circuit boards (7) is provided with a signal processing module (8), the inside of the signal processing module (8) is provided with an RGB receiving array, the upper end of the two circuit boards (7) is also provided with a signal transmission module (9), the lower rear end of the shell (1) is provided with a power line (11), the middle of the rear end outer surface of the shell (1) is provided with a display screen (10), and the upper end of the front end of the shell (1) is provided with an indicator light (4).
2. The RGB array color photosensor emitting white light according to claim 1, wherein: The shell (1) is made of metal, the inside of the filter (5) is provided with a white light filter, and the W500 specification of the circuit board (7) is provided with a group of lamp beads (3) and a group of RGB receiving arrays.
3. The RGB array color photosensor emitting white light according to claim 1, wherein: The inside of the photoelectric sensing unit (6) is provided with a photodiode, and the W70 specification of the circuit board (7) is provided with two groups of lamp beads (3) and a group of RGB receiving arrays.
4. The RGB array color photosensor emitting white light according to claim 1, wherein: The inside of the signal processing module (8) is provided with an analog-to-digital converter.
5. The RGB array color photosensor emitting white light according to claim 1, wherein: The signal transmission module (9) is provided with a signal transmitter, and the filter (5), the photoelectric sensing unit (6), the circuit board (7), the signal processing module (8), the signal transmission module (9) and the display screen (10) are electrically connected.
6. The RGB array color photosensor emitting white light according to claim 1, wherein: The glass cover plate (2) is a transparent glass cover plate, the glass cover plate (2) and the shell (1) are provided with a mounting interface, and the glass cover plate (2) is detachably connected with the shell (1) through the mounting interface.