CN203310516U - Color identification apparatus - Google Patents

Abstract

The utility model discloses a color identification apparatus. The apparatus takes a single-chip microcomputer control circuit as a core, and is provided with one or more color identification sensor circuits and a color display unit which are connected with the single-chip microcomputer control circuit. The single-chip microcomputer control circuit is composed of a single-chip microcomputer and a peripheral circuit thereof. Each identification sensor circuit is composed of a digital color sensor chip and a peripheral circuit thereof, wherein a control interface and a digital output interface of the digital color sensor chip are respectively connected with an I/O port of the single-chip microcomputer. The color display unit includes a display module and a red, green and blue light-emitting circuit, wherein the display module is a display screen, and a data interface and a control interface of the display module are respectively connected with the I/O port of the single-chip microcomputer; and the red, green and blue light-emitting circuit is composed of a group of red, green and blue light-emitting diodes and driving circuits thereof, and control ends of the driving circuit are connected with the I/O port. The color identification apparatus is simple in structure, can help to identify various colors, and thus the application of the apparatus in various industries is widened.

Description

A kind of color identification device

Technical field

The utility model relates to the chroma and luminance measurement technical field, a kind of color measuring device of specific design.

Background technology

Along with modernization industry is produced to high speed, automation direction development, but existing a lot of work also must rely on the eye recognition color to complete, for example, at electronic applications, utilize the resistance of eye recognition chromatic circle resistance, at decoration industry, utilize human eye to distinguish paint of two kinds of close colors etc.But the difference due to human eye, these work often can not well complete, therefore color identification device arises at the historic moment, current existing color identification device is independently on photodiode, to cover the red, green, blue optical filter through revising, then the signal of output is sampled, more further process ability identification colors, this class color identification device circuit complexity, and there is larger identification error, the effect of impact identification.

Summary of the invention

According to the problem that prior art exists, the utility model provides a kind of color identification device, and this device can be identified all kinds of colors accurately, and simple in structure.

The technical scheme that the utility model solves the problems of the technologies described above is as follows:

A kind of color identification device, is characterized in that, this device be take single chip machine controlling circuit, and connected one or more Tansducer For Color Distiguishing circuit and color display unit form as core is equipped with, wherein,

Described single chip machine controlling circuit is comprised of single-chip microcomputer and peripheral circuit thereof;

Described Tansducer For Color Distiguishing circuit is comprised of digital color sensor chip and peripheral circuit thereof respectively, and the control interface of digital color sensor chip and digital output interface are connected respectively the I/O interface of single-chip microcomputer;

Described color display unit comprises a display module and a red, green, blue illuminating circuit, wherein, display module is a display screen, its data-interface and control interface are connected with the I/O mouth of single-chip microcomputer respectively, the red, green, blue illuminating circuit is comprised of one group of red, green, blue light emitting diode and driving circuit separately thereof, and the control end of each driving circuit is connected with the I/O mouth of single-chip microcomputer.

Three primary colors theory according to roentgen Helinholtz, random color all is comprised of the Red Green Blue mixing of different proportion, so the color identification device that the utility model provides can be opened by single chip machine controlling circuit the color of Tansducer For Color Distiguishing circuit identification measured object, and by single-chip microcomputer, analyze the ratio of three kinds of colors of red, green, blue in this color, and show respectively this color-ratio and this color of reduction by display module and red, green, blue illuminating circuit.Based on the principle of work of this device, the utility model is simple in structure, not only can accurately identify all kinds of colors, and color can be restored really, has greatly expanded the application of color identification device in every profession and trade.

The accompanying drawing explanation

Fig. 1 is the schematic block circuit diagram of a specific embodiment of a kind of color identification device described in the utility model.

Fig. 2 is the circuit theory diagrams of a specific embodiment of a kind of color identification device described in the utility model.

Embodiment

Referring to Fig. 1, this example is a color identification device that adopts 2 Tansducer For Color Distiguishing circuit, this device take single chip machine controlling circuit as core is equipped with connected 2 Tansducer For Color Distiguishing circuit and color display unit composition, wherein,

As shown in Figure 2, the described single chip machine controlling circuit model of being produced by U.S. Atmel company is that single-chip microcomputer U1 and the peripheral circuit thereof of AT89C51R1 forms;

The model that described 2 Tansducer For Color Distiguishing circuit are produced by U.S. TAOS company respectively is that digital color sensor chip U2, U3 and the peripheral circuit thereof of Tcs3200 forms, and control interface S0, the S1 of digital color sensor chip U2, U3, S2, S3, EN1, EN2 and digital output interface OUT are connected respectively I/O interface P3.7, P3.6, P3.5, P3.4, P3.2, P3.1 and the P3.3 of single-chip microcomputer;

Described color display unit comprises a display module and a red, green, blue illuminating circuit, and wherein, display module is that a model is 8 liquid crystal display module U4 of LCD1602, its data-interface D1～D8 and control interface RS, R/W, With I/O mouth P1.0～P1.7, the P0.0～P0.2 of single-chip microcomputer, be connected respectively, the red, green, blue illuminating circuit is comprised of one group of red, green, blue LED 1, LED2, LED3 and driving circuit separately thereof, and the control end of the driving circuit of red, green, blue LED 1, LED2, LED3 is connected with I/O mouth P2.5, P2.6, the P2.7 of single-chip microcomputer.

During normal the use, by color card to be measured or the close Tansducer For Color Distiguishing circuit of object, i.e. red in gating digital color sensor chip respectively within the set time of single-chip microcomputer, green, blue light filter, the digital color sensor is red according to color to be measured, green, blue color-ratio is exported respectively red within the set time, green, umber of pulse corresponding to blue three looks, single-chip microcomputer is according to red, green, umber of pulse corresponding to blue three looks can be by color to be measured red, green, on blue three color ratio example displayed value LCD MODULE, simultaneously, single-chip microcomputer is also exported the pwm pulse corresponding with three color ratio examples and is driven respectively red, green, blue LED 1, LED2, LED3, thereby reduce color to be measured.If by 2 kinds of difference color cards to be measured or object respectively near 2 Tansducer For Color Distiguishing circuit, single-chip microcomputer shows after the three color ratio example stacks of the red, green, blue of 2 colors to be measured, delivering to LCD MODULE, drives simultaneously red, green, blue LED 1, the mixed color of LED2, LED3 reduction demonstration stack.This apparatus structure is simple, can be applicable to the fields such as paint color mixing.

Claims (1)

1. a color identification device, is characterized in that, this device be take single chip machine controlling circuit, and connected one or more Tansducer For Color Distiguishing circuit and color display unit form as core is equipped with, wherein,

Described single chip machine controlling circuit is comprised of single-chip microcomputer and peripheral circuit thereof;

Described Tansducer For Color Distiguishing circuit is comprised of digital color sensor chip and peripheral circuit thereof respectively, and the control interface of digital color sensor chip and digital output interface are connected respectively the I/O interface of single-chip microcomputer;

Described color display unit comprises a display module and a red, green, blue illuminating circuit, wherein, display module is a display screen, its data-interface and control interface are connected with the I/O mouth of single-chip microcomputer respectively, the red, green, blue illuminating circuit is comprised of one group of red, green, blue light emitting diode and driving circuit separately thereof, and the control end of each driving circuit is connected with the I/O mouth of single-chip microcomputer.

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