CN202267534U

CN202267534U - Portable color detector

Info

Publication number: CN202267534U
Application number: CN2011204076637U
Authority: CN
Inventors: 耶晓东; 何亚银; 顾桓
Original assignee: Shaanxi University of Technology
Current assignee: Shaanxi University of Technology
Priority date: 2011-10-24
Filing date: 2011-10-24
Publication date: 2012-06-06
Anticipated expiration: 2021-10-24

Abstract

The utility model discloses a portable color detector including a color detecting optical head and a signal processing and displaying system. The color detecting optical head includes a shell, and an LED light source and a color sensor installed in the shell. A measuring hole is arranged in the central position of the bottom face of the shell. The color sensor is installed on the shell disposed right above the measuring hole. The LED light source is installed on the shell disposed above a position next to the measuring hole. And an included angle having a certain degree is formed between a light beam sent from the LED light source and the bottom face of the shell when the light beam sent from the LED light source goes through the measuring hole. The signal processing and displaying system includes a signal modulating circuit module connecting with the color sensor, a processor module connecting with the signal modulating circuit module, a display module and a parameter setting module together connecting with the processor module, and a power source module. The portable color detector in the utility model is simple structure, reasonable in structure, convenient for carrying, and convenient for using and operating. The detecting sensibility is high, the precision is high, the realization cost is low, the practical applicability is high, and the service lifetime is long. The portable color detector is convenient for spreading and using.

Description

A kind of portable color detection appearance

Technical field

The utility model belongs to the color detection technical field, especially relates to a kind of portable color detection appearance.

Background technology

The color detection instrument is widely used in weaving, clothes, dyeing, plastic cement, electronic product industry, and paint, printing ink industry, printing, paper product manufacturing are in the color management field of industries such as camera detects, photography industry; The application of the detection of color in daily productive life is more and more wider.The color detection light source adopts halogen tungsten lamp, Halogen lamp LED, 2856K incandescent lamp etc. more in traditional color detection appearance, and light-source temperature is high, and it is bad to dispel the heat, and has influenced the detection sensitivity and the serviceable life of the color detection appearance of processing thus; And, color detection appearance of the prior art also exist volume big, carry inconvenience, color accuracy of identification, color detection speed and wait defective and deficiency slowly; Though external new color detection product accuracy of identification and highly sensitive, price is also increasingly high.

The utility model content

The utility model technical matters to be solved is to above-mentioned deficiency of the prior art a kind of portable color detection appearance to be provided, and it is simple in structure, and is reasonable in design; Volume is little, and is in light weight, is easy to carry, and uses easy to operate; Detection sensitivity is high, precision is high, realizes that cost is low, practical; Long service life, result of use is good, is convenient to promote the use of.

For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of portable color detection appearance; It is characterized in that: comprise color detection optical head and the signal Processing and the display system of joining with the color detection optical head; Led light source and color sensor that said color detection optical head comprises unreflected housing and is installed in enclosure interior; The bottom center position of said housing is provided with the measured hole that the light that is used to supply led light source to send passes; Said color sensor is installed on the housing that is positioned at directly over the measured hole, and said led light source is installed on the housing that is positioned at the measured hole oblique upper and the light that led light source sent when passing measured hole and the angle at an angle of housing bottom surface; Said signal Processing and display system comprise the signal conditioning circuit module that is connected with color sensor and the signal that color sensor is exported is nursed one's health, be connected with the signal conditioning circuit module and display module that signal that the signal that signal conditioning circuit is exported is carried out the processor module of analyzing and processing, is connected with processor module and processor module is exported shows is provided with module with the parameter that is connected and is used to be provided with systematic parameter with processor module, and the power module of module for power supply is set for color sensor, signal conditioning circuit module, processor module, display module and parameter.

Above-mentioned a kind of portable color detection appearance is characterized in that: said signal conditioning circuit module comprises amplifying circuit module and the A/D change-over circuit module that connects successively.

Above-mentioned a kind of portable color detection appearance is characterized in that: said led light source is the white led lamps of spectral range at 380nm～780nm.

Above-mentioned a kind of portable color detection appearance is characterized in that: said color sensor is RGB color sensor S7505.

Above-mentioned a kind of portable color detection appearance is characterized in that: when the light that said led light source sent passes measured hole and housing bottom surface is 30 °～60 ° angles.

Above-mentioned a kind of portable color detection appearance is characterized in that: said processor module is single-chip microcomputer P89C668.

Above-mentioned a kind of portable color detection appearance; It is characterized in that: said power module comprises that chip LM1117, polar capacitor C1 are with C2 and the bipod connector JP1 that is used to be connected outside 9V power supply; The pin 1 of said chip LM1117 joins with the positive pole of the pin 1 of bipod connector JP1 and polar capacitor C1; The pin 2 of said chip LM1117 joins with the positive pole of polar capacitor C2 and is the output terminal VCC of power module; The equal ground connection of negative pole of the pin 2 of the pin 3 of said chip LM1117, bipod connector JP1, the negative pole of polar capacitor C1 and polar capacitor C2, the pin 1 of said bipod connector JP1 joins with corresponding respectively positive pole and the negative pole with outside 9V power supply of pin 2.

Above-mentioned a kind of portable color detection appearance; It is characterized in that: said amplifying circuit module comprises first amplifying circuit that is connected with RGB color sensor S 7505 and second amplifying circuit that is connected with first amplifying circuit; Said first amplifying circuit is made up of first chip TLC2274, resistance R 1, R2, R3, R32, R33, R34, R35, R36 and R37 and capacitor C 4, C6, C5 and C7; The pin 1 of said first chip TLC2274 joins through resistance R 1 and the pin 2 of first chip TLC2274 and an end of resistance R 33; The two ends of said resistance R 1 are parallel with capacitor C 4; The pin 3 of said first chip TLC2274 joins with the pin 1 of RGB color sensor S7505 and passes through resistance R 35 ground connection; The pin 4 of said first chip TLC2274 joins with the output terminal VCC of power module and joins through the pin 11 of capacitor C 6 with first chip TLC2274; The pin 5 of said first chip TLC2274 joins with the pin 3 of RGB color sensor S7505 and passes through resistance R 34 ground connection; The pin 7 of said first chip TLC2274 joins through resistance R 2 and the pin 6 of first chip TLC2274 and an end of resistance R 32; The two ends of said resistance R 2 are parallel with capacitor C 5; The pin 8 of said first chip TLC2274 joins through resistance R 3 and the pin 9 of first chip TLC2274 and an end of resistance R 36; The two ends of said resistance R 3 are parallel with capacitor C 7, and the pin 10 of said first chip TLC2274 joins with the pin 4 of RGB color sensor S7505 and passes through resistance R 37 ground connection, the pin 2 of the other end of the other end of said resistance R 33, resistance R 32, the other end of resistance R 36, RGB color sensor S7505 and the pin of first chip TLC2274 11 equal ground connection; Said second amplifying circuit is by second chip TLC2274; Resistance R 4, R5, R6, R8, R10, R12, R13, R14, R15, R16, R17 and R18, capacitor C 8, C9, C10 and C11 and slide resistor R7, R9, R11, R19, R20 and R22 constitute; The pin 1 of said second chip TLC2274 joins with the sliding end of slide resistor R19; The stiff end of the pin 2 of said second chip TLC2274 and slide resistor R19 and an end of resistance R 13 join; The stiff end of one end of the other end of said resistance R 13 and resistance R 10 and slide resistor R11 joins; The sliding end ground connection of said slide resistor R11 and join through capacitor C 9 output terminal VCC with power module; The output terminal VCC of the other end of said resistance R 10 and power module joins; The pin 3 of said second chip TLC2274 joins through resistance R 15 ground connection and through the pin 1 of resistance R 4 with first chip TLC2274; The pin 4 of said second chip TLC2274 joins with the output terminal VCC of power module and the pin 11 through capacitor C 11 and second chip TLC2274 joins; The pin 5 of said second chip TLC2274 joins through resistance R 16 ground connection and through the pin 7 of resistance R 5 with first chip TLC2274; The stiff end of the pin 6 of said second chip TLC2274 and slide resistor R20 and an end of resistance R 14 join; The stiff end of one end of the other end of said resistance R 14 and resistance R 8 and slide resistor R9 joins; The sliding end ground connection of said slide resistor R9 and join through capacitor C 8 output terminal VCC with power module, the pin 7 of said second chip TLC2274 joins with the sliding end of slide resistor R20, and the pin 8 of said second chip TLC2274 joins with the sliding end of slide resistor R22; The stiff end of the pin 9 of said second chip TLC2274 and slide resistor R22 and an end of resistance R 17 join; The stiff end of one end of the other end of said resistance R 17 and resistance R 6 and slide resistor R7 joins, the sliding end ground connection of said slide resistor R7 and join through capacitor C 10 output terminal VCC with power module, and the pin 10 of said second chip TLC2274 joins through resistance R 18 ground connection and through the pin 8 of resistance R 12 with first chip TLC2274; Said A/D change-over circuit module (2-2) comprises chip TLC2543 and capacitor C 14 and C15; The pin 1 of said chip TLC2543 and the pin 1 of second chip TLC2274 join; The pin 2 of said chip TLC2543 and the pin 7 of second chip TLC2274 join; The pin 3 of said chip TLC2543 and the pin 8 of second chip TLC2274 join; Pin 10 ground connection of said chip TLC2543 and join through capacitor C 14 pin 20 with chip TLC2543; Pin 13 ground connection of said chip TLC2543 and join through capacitor C 15 pin 14 with chip TLC2543; The pin 14 of said chip TLC2543 and pin 20 all join with the output terminal VCC of power module, and the pin 15 of said chip TLC2543 and the pin 2 of single-chip microcomputer P89C668 join, and the pin 16 of said chip TLC2543 and the pin 5 of single-chip microcomputer P89C668 join; The pin 17 of said chip TLC2543 joins with the pin 4 of single-chip microcomputer P89C668, and the pin 18 of said chip TLC2543 joins with the pin 3 of single-chip microcomputer P89C668.

Above-mentioned a kind of portable color detection appearance; It is characterized in that: said display module comprises LCD1602 and slide resistor R30; Pin 1 ground connection of said LCD1602 and join with the stiff end of slide resistor R30; The pin 2 of said LCD1602 joins with another stiff end of slide resistor R 30 and joins with the output terminal VCC of power module; The pin 3 of said LCD1602 joins with the sliding end of slide resistor R30, and the pin 4 of said LCD1602 joins with the pin 11 of single-chip microcomputer P89C668, and the pin 5 of said LCD1602 joins with the pin 13 of single-chip microcomputer P89C668; The pin 6 of said LCD1602 joins with the pin 17 of single-chip microcomputer P89C668, and the corresponding successively pin 43-36 with single-chip microcomputer P 89C 668 of the pin 7～14 of said LCD1602 joins.

Above-mentioned a kind of portable color detection appearance; It is characterized in that: said parameter is provided with module and comprises button S1, S2, S3 and S4 and resistance R 25, R26, R28 and R29; The pin 1 of said button S1 joins with an end of resistance R 25 and the pin 27 of single-chip microcomputer P89C668; The pin 1 of said button S2 joins with an end of resistance R 26 and the pin 26 of single-chip microcomputer P89C668; The pin 1 of said button S3 joins with an end of resistance R 28 and the pin 15 of single-chip microcomputer P89C668; The pin 1 of said button S4 joins with an end of resistance R 29 and the pin 14 of single-chip microcomputer P89C668; The other end of the other end of the other end of the other end of said resistance R 25, resistance R 26, resistance R 28 and resistance R 29 all joins the pin 2 of the pin 2 of said button S1, the pin 2 of button S2, button S3 and the pin of button S4 2 equal ground connection with the output terminal VCC of power module.

The utility model compared with prior art has the following advantages:

1, the utility model constitutes by the color detection optical head with signal Processing and display system that the color detection optical head joins, and simple in structure, reasonable in design, volume is little, and is in light weight, is easy to carry, and uses easy to operate.

2, the color detection optical head of the utility model adopts white led lamps as light source, and the advantage that it has, and volume is little, the life-span is long has been broken away from the shortcoming that the ordinary light source temperature is high, heat dispersion is poor, serviceable life is short.

3, the color detection optical head of the utility model adopts RGB color sensor S7505 that color is detected; Adopt single-chip microcomputer P89C668 that signal is handled calculating in signal Processing and the display system; Color detection is highly sensitive, precision is high, can realize the fast detecting of different objects color distortion.

4, the utility model can provide the color of sample and do quantitative description, can testing result be presented on the display module intuitively, has avoided the subjective error of artificial judgement.

5, the realization cost of the utility model is low, practical, and result of use is good; Be convenient to promote the use of weaving, clothes, dyeing, plastic cement, electronic product industry, paint, printing ink industry; In the color management field of industries such as printing, paper product manufacturing, camera detect, photography industry.

In sum, the utility model is simple in structure, and is reasonable in design; Volume is little, and is in light weight, is easy to carry; Use easy to operately, detection sensitivity is high, precision is high, realizes that cost is low; Practical, long service life, solved that the existing light source heat radiation poor performance of color detection appearance of the prior art, serviceable life are short, volume is big, carried inconvenience, the color accuracy of identification is low, detection sensitivity is low, color detection speed is slow, serviceable life defective and deficiency such as weak point, cost height; Result of use is good, is convenient to promote the use of.

Through accompanying drawing and embodiment, the technical scheme of the utility model is done further detailed description below.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the circuit block diagram of the utility model signal Processing and display system.

Fig. 3 is the circuit theory diagrams of the utility model processor module.

Fig. 4 is the circuit theory diagrams of the utility model power module.

Fig. 5 is the circuit theory diagrams of the utility model amplifying circuit module.

Fig. 6 is the circuit theory diagrams of the utility model A/D change-over circuit module.

Fig. 7 is the circuit theory diagrams of the utility model display module.

Fig. 8 is provided with the circuit theory diagrams of module for the utility model parameter.

Description of reference numerals:

The 1-1-housing; The 1-2-LED light source; The 1-3-color sensor;

The 1-4-measured hole; The light that the 1-5-LED light source is sent; The 1-6-reflection ray;

2-signal Processing and display system; 2-1-amplifying circuit module;

2-2-A/D change-over circuit module; The 2-3-processor module; The 2-4-display module;

The 2-5-parameter is provided with module; The 2-6-power module; The 3-object under test.

Embodiment

As depicted in figs. 1 and 2; The utility model comprises color detection optical head and the signal Processing and the display system 2 of joining with the color detection optical head; Said color detection optical head comprises unreflected housing 1-1 and is installed in housing 1-1 inner led light source 1-2 and color sensor 1-3; The bottom center position of said housing 1-1 is provided with the measured hole 1-4 that the light 1-5 that is used to supply led light source to send passes; Said color sensor 1-3 is installed on the housing 1-1 that is positioned at directly over the measured hole 1-4, when said led light source 1-2 is installed in the light 1-5 that housing 1-1 goes up and led light source sent that is positioned at measured hole 1-4 oblique upper and passes measured hole 1-4 and the angle at an angle of housing 1-1 bottom surface; Said signal Processing and display system 2 comprise the signal conditioning circuit module that is connected with color sensor 1-3 and the signal that color sensor 1-3 is exported is nursed one's health, be connected with the signal conditioning circuit module and to the signal that signal conditioning circuit is exported carry out analyzing and processing processor module 2-3, be connected with processor module 2-3 and display module 2-4 that signal that processor module 2-3 is exported shows is provided with module 2-5 with the parameter that is connected and is used to be provided with systematic parameter with processor module 2-3, and the power module 2-6 of module 2-5 power supply is set for color sensor 1-3, signal conditioning circuit module, processor module 2-3, display module 2-4 and parameter.

In the present embodiment, said signal conditioning circuit module comprises amplifying circuit module 2-1 and the A/D change-over circuit module 2-2 that connects successively.Said led light source 1-2 is the white led lamps of spectral range at 380nm～780nm.Said color sensor 1-3 is RGB color sensor S 7505.When the light 1-5 that said led light source sent passes measured hole 1-4 and housing 1-1 bottom surface is 30 °～60 ° angles; When the light 1-5 that preferably, said led light source sent passes measured hole 1-4 and housing 1-1 bottom surface is 45 ° of angles.

As shown in Figure 3, in the present embodiment, said processor module 2-3 is single-chip microcomputer P89C668.Among the figure; Crystal oscillator Y1 and capacitor C 12 and C13 have constituted the crystal oscillating circuit of single-chip microcomputer P89C668; The pin 1 of said crystal oscillator Y1 joins with an end of the pin 21 of single-chip microcomputer P89C668 and capacitor C 12; The pin 2 of said crystal oscillator Y1 joins the equal ground connection of the other end of the other end of said capacitor C 12 and capacitor C 13 with an end of the pin 20 of single-chip microcomputer P89C668 and capacitor C 13; Polar capacitor C3 and resistance R 27 have constituted the reset circuit of single-chip microcomputer P89C668; The output terminal VCC of the positive pole of said polar capacitor C3 and power module 2-6 joins; The pin 10 of the negative pole of said polar capacitor C3 and single-chip microcomputer P89C668 and an end of resistance R 27 join the other end ground connection of said resistance R 27.

As shown in Figure 4; In the present embodiment; Said power module 2-6 comprises that chip LM1117, polar capacitor C1 are with C2 and the bipod connector JP1 that is used to be connected outside 9V power supply; The pin 1 of said chip LM1117 joins with the positive pole of the pin 1 of bipod connector JP1 and polar capacitor C1; The pin 2 of said chip LM1117 joins with the positive pole of polar capacitor C2 and is the output terminal VCC of power module 2-6, the equal ground connection of negative pole of the pin 2 of the pin 3 of said chip LM1117, bipod connector JP1, the negative pole of polar capacitor C1 and polar capacitor C 2, and the pin 1 of said bipod connector JP1 joins with corresponding respectively positive pole and the negative pole with outside 9V power supply of pin 2.

As shown in Figure 5; In the present embodiment; Said amplifying circuit module 2-1 comprises first amplifying circuit that is connected with RGB color sensor S7505 and second amplifying circuit that is connected with first amplifying circuit; Said first amplifying circuit is made up of first chip TLC2274, resistance R 1, R2, R3, R32, R33, R34, R35, R36 and R37 and capacitor C 4, C6, C5 and C7; The pin 1 of said first chip TLC2274 joins through resistance R 1 and the pin 2 of first chip TLC2274 and an end of resistance R 33; The two ends of said resistance R 1 are parallel with capacitor C 4; The pin 3 of said first chip TLC2274 joins with the pin 1 of RGB color sensor S7505 and passes through resistance R 35 ground connection; The pin 4 of said first chip TLC2274 joins with the output terminal VCC of power module 2-6 and joins through the pin 11 of capacitor C 6 with first chip TLC2274; The pin 5 of said first chip TLC2274 joins with the pin 3 of RGB color sensor S7505 and passes through resistance R 34 ground connection; The pin 7 of said first chip TLC2274 joins through resistance R 2 and the pin 6 of first chip TLC2274 and an end of resistance R 32; The two ends of said resistance R 2 are parallel with capacitor C 5, and the pin 8 of said first chip TLC2274 joins through resistance R 3 and the pin 9 of first chip TLC2274 and an end of resistance R 36, and the two ends of said resistance R 3 are parallel with capacitor C 7; The pin 10 of said first chip TLC2274 joins with the pin 4 of RGB color sensor S7505 and passes through resistance R 37 ground connection, the pin 2 of the other end of the other end of said resistance R 33, resistance R 32, the other end of resistance R 36, RGB color sensor S7505 and the pin of first chip TLC2274 11 equal ground connection; Said second amplifying circuit is by second chip TLC2274; Resistance R 4, R5, R6, R8, R10, R12, R13, R14, R15, R16, R17 and R18, capacitor C 8, C9, C10 and C11 and slide resistor R7, R9, R11, R19, R20 and R22 constitute; The pin 1 of said second chip TLC2274 joins with the sliding end of slide resistor R19; The stiff end of the pin 2 of said second chip TLC2274 and slide resistor R19 and an end of resistance R 13 join; The stiff end of one end of the other end of said resistance R 13 and resistance R 10 and slide resistor R11 joins; The sliding end ground connection of said slide resistor R11 and join through capacitor C 9 output terminal VCC with power module 2-6; The output terminal VCC of the other end of said resistance R 10 and power module 2-6 joins; The pin 3 of said second chip TLC2274 joins through resistance R 15 ground connection and through the pin 1 of resistance R 4 with first chip TLC2274; The pin 4 of said second chip TLC2274 joins with the output terminal VCC of power module 2-6 and the pin 11 through capacitor C 11 and second chip TLC2274 joins; The pin 5 of said second chip TLC2274 joins through resistance R 16 ground connection and through the pin 7 of resistance R 5 with first chip TLC2274; The stiff end of the pin 6 of said second chip TLC2274 and slide resistor R20 and an end of resistance R 14 join; The stiff end of one end of the other end of said resistance R 14 and resistance R 8 and slide resistor R9 joins; The sliding end ground connection of said slide resistor R9 and join through capacitor C 8 output terminal VCC with power module 2-6; The pin 7 of said second chip TLC2274 joins with the sliding end of slide resistor R20; The pin 8 of said second chip TLC2274 joins with the sliding end of slide resistor R22, and the stiff end of the pin 9 of said second chip TLC2274 and slide resistor R22 and an end of resistance R 17 join, and the stiff end of an end of the other end of said resistance R 17 and resistance R 6 and slide resistor R7 joins; The sliding end ground connection of said slide resistor R7 and join through the capacitor C 10 output terminal VCC with power module 2-6, the pin 10 of said second chip TLC2274 joins through resistance R 18 ground connection and through the pin 8 of resistance R 12 with first chip TLC2274.

As shown in Figure 6; In the present embodiment; Said A/D change-over circuit module 2-2 comprises chip TLC2543 and capacitor C 14 and C15; The pin 1 of said chip TLC2543 and the pin 1 of second chip TLC2274 join; The pin 2 of said chip TLC2543 and the pin 7 of second chip TLC2274 join, and the pin 3 of said chip TLC2543 and the pin 8 of second chip TLC2274 join, pin 10 ground connection of said chip TLC2543 and join through capacitor C 14 pin 20 with chip TLC2543; Pin 13 ground connection of said chip TLC2543 and join through capacitor C 15 pin 14 with chip TLC2543; The pin 14 of said chip TLC2543 and pin 20 all join with the output terminal VCC of power module 2-6, and the pin 15 of said chip TLC2543 and the pin 2 of single-chip microcomputer P89C668 join, and the pin 16 of said chip TLC2543 and the pin 5 of single-chip microcomputer P89C668 join; The pin 17 of said chip TLC2543 joins with the pin 4 of single-chip microcomputer P89C668, and the pin 18 of said chip TLC2543 joins with the pin 3 of single-chip microcomputer P89C668.

As shown in Figure 7; In the present embodiment; Said display module 2-4 comprises LCD1602 and slide resistor R30; Pin 1 ground connection of said LCD1602 and join with the stiff end of slide resistor R 30, the pin 2 of said LCD1602 are joined with another stiff end of slide resistor R30 and are joined with the output terminal VCC of power module 2-6, and the pin 3 of said LCD1602 joins with the sliding end of slide resistor R30; The pin 4 of said LCD1602 joins with the pin 11 of single-chip microcomputer P89C668; The pin 5 of said LCD1602 joins with the pin 13 of single-chip microcomputer P89C668, and the pin 6 of said LCD1602 joins with the pin 17 of single-chip microcomputer P89C668, and the corresponding successively pin 43-36 with single-chip microcomputer P89C668 of the pin 7～14 of said LCD1602 joins.

As shown in Figure 8; In the present embodiment; Said parameter is provided with module 2-5 and comprises button S1, S2, S3 and S4 and resistance R 25, R26, R28 and R29; The pin 1 of said button S1 joins with an end of resistance R 25 and the pin 27 of single-chip microcomputer P89C668; The pin 1 of said button S2 joins with an end of resistance R 26 and the pin 26 of single-chip microcomputer P89C668; The pin 1 of said button S3 joins with an end of resistance R 28 and the pin 15 of single-chip microcomputer P89C668; The pin 1 of said button S4 joins with an end of resistance R 29 and the pin 14 of single-chip microcomputer P89C668, and the other end of the other end of the other end of said resistance R 25, resistance R 26, the other end of resistance R 28 and resistance R 29 all joins the pin 2 of the pin 2 of said button S1, the pin 2 of button S2, button S3 and the pin of button S4 2 equal ground connection with the output terminal VCC of power module 2-6.

The principle of work and the course of work of the utility model are: the described color detection optical head of the utility model is placed on the object under test 3 and makes measured hole 1-4 aim at the tested point on the object under test 3; The light 1-5 that led light source sent passes measured hole 1-4 and becomes 30 °～60 ° angles to be radiated on the object under test 8; The reflection ray 1-6 vertical irradiation that comes out through object under test 3 reflection is on color sensor 1-3; Because the density of object under test 3 is different, so after the reflection of color lump of the light 1-5 that led light source sent process, R, G, B three primary colors have decay in various degree; Therefore color sensor 1-3 receives reflection ray 1-6 signal and absorbs the useful light signal of object under test 3 density; According to color reflection-absorption principle, the complementary color light that the light-colored relatively color lump of saturate color lump absorbs wants many, and the complementary color light of going out of reflection will lack; And the output voltage values of color sensor 1-3 is directly proportional with the light intensity of input; So saturate color lump is low relatively through the magnitude of voltage that color sensor 1-3 carries out exporting after the opto-electronic conversion, utilize the difference of the light intensity of reflection to distinguish the color of its different objects like this.The voltage signal that amplifying circuit module 2-1 and A/D change-over circuit module 2-2 are exported color sensor 1-3 successively amplify with A/D conversion after export to processor module 2-3, processor module 2-3 calculates the color value of object under test 3 according to its voltage signal that receives and drives the color value that display module 2-4 shows object under test 3.In addition, can also module 2-5 zeroing be set or the color detection parameter is set through parameter.

The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any restriction; Everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of the utility model technical scheme according to the utility model technical spirit.

Claims

1. portable color detection appearance; It is characterized in that: comprise color detection optical head and the signal Processing and the display system (2) of joining with the color detection optical head; Said color detection optical head comprises unreflected housing (1-1) and is installed in housing (1-1) inner led light source (1-2) and color sensor (1-3); The bottom center position of said housing (1-1) is provided with the measured hole (1-4) that the light (1-5) that is used to supply led light source to send passes; Said color sensor (1-3) is installed on the housing (1-1) that is positioned at directly over the measured hole (1-4), when said led light source (1-2) is installed in the light (1-5) that housing (1-1) is gone up and led light source sent that is positioned at measured hole (1-4) oblique upper and passes measured hole (1-4) and the angle at an angle of housing (1-1) bottom surface; Said signal Processing and display system (2) comprise the signal conditioning circuit module that is connected with color sensor (1-3) and the signal that color sensor (1-3) is exported is nursed one's health, be connected with the signal conditioning circuit module and to the signal that signal conditioning circuit is exported carry out analyzing and processing processor module (2-3), be connected with processor module (2-3) and display module (2-4) that signal that processor module (2-3) is exported shows with parameter that processor module (2-3) is connected and is used to be provided with systematic parameter module (2-5) is set, and the power module (2-6) that module (2-5) is supplied power is set for color sensor (1-3), signal conditioning circuit module, processor module (2-3), display module (2-4) and parameter.

2. according to the described a kind of portable color detection appearance of claim 1, it is characterized in that: said signal conditioning circuit module comprises amplifying circuit module (2-1) and the A/D change-over circuit module (2-2) that connects successively.

3. according to claim 1 or 2 described a kind of portable color detection appearance, it is characterized in that: said led light source (1-2) is the white led lamps of spectral range at 380nm～780nm.

4. according to claim 1 or 2 described a kind of portable color detection appearance, it is characterized in that: said color sensor (1-3) is RGB color sensor S7505.

5. according to claim 1 or 2 described a kind of portable color detection appearance, it is characterized in that: when the light that said led light source sent (1-5) passes measured hole (1-4) and housing (1-1) bottom surface is 30 °～60 ° angles.

6. according to the described a kind of portable color detection appearance of claim 4, it is characterized in that: said processor module (2-3) is single-chip microcomputer P89C668.

7. according to the described a kind of portable color detection appearance of claim 6; It is characterized in that: said power module (2-6) comprises that chip LM1117, polar capacitor C1 are with C2 and the bipod connector JP1 that is used to be connected outside 9V power supply; The pin 1 of said chip LM1117 joins with the positive pole of the pin 1 of bipod connector JP1 and polar capacitor C1; The pin 2 of said chip LM1117 joins with the positive pole of polar capacitor C2 and is the output terminal VCC of power module (2-6); The equal ground connection of negative pole of the pin 2 of the pin 3 of said chip LM1117, bipod connector JP1, the negative pole of polar capacitor C1 and polar capacitor C2, the pin 1 of said bipod connector JP1 joins with corresponding respectively positive pole and the negative pole with outside 9V power supply of pin 2.

8. according to the described a kind of portable color detection appearance of claim 7; It is characterized in that: said amplifying circuit module (2-1) comprises first amplifying circuit that is connected with RGB color sensor S7505 and second amplifying circuit that is connected with first amplifying circuit; Said first amplifying circuit is made up of first chip TLC2274, resistance R 1, R2, R3, R32, R33, R34, R35, R36 and R37 and capacitor C 4, C6, C5 and C7; The pin 1 of said first chip TLC2274 joins through resistance R 1 and the pin 2 of first chip TLC2274 and an end of resistance R 33; The two ends of said resistance R 1 are parallel with capacitor C 4; The pin 3 of said first chip TLC2274 joins with the pin 1 of RGB color sensor S7505 and passes through resistance R 35 ground connection; The pin 4 of said first chip TLC2274 joins with the output terminal VCC of power module (2-6) and joins through the pin 11 of capacitor C 6 with first chip TLC2274; The pin 5 of said first chip TLC2274 joins with the pin 3 of RGB color sensor S7505 and passes through resistance R 34 ground connection; The pin 7 of said first chip TLC2274 joins through resistance R 2 and the pin 6 of first chip TLC2274 and an end of resistance R 32; The two ends of said resistance R 2 are parallel with capacitor C 5; The pin 8 of said first chip TLC2274 joins through resistance R 3 and the pin 9 of first chip TLC2274 and an end of resistance R 36; The two ends of said resistance R 3 are parallel with capacitor C 7, and the pin 10 of said first chip TLC2274 joins with the pin 4 of RGB color sensor S7505 and passes through resistance R 37 ground connection, the pin 2 of the other end of the other end of said resistance R 33, resistance R 32, the other end of resistance R 36, RGB color sensor S 7505 and the pin of first chip TLC2274 11 equal ground connection; Said second amplifying circuit is by second chip TLC2274; Resistance R 4, R5, R6, R8, R10, R12, R13, R14, R15, R16, R17 and R18, capacitor C 8, C9, C10 and C11 and slide resistor R7, R9, R11, R19, R20 and R22 constitute; The pin 1 of said second chip TLC2274 joins with the sliding end of slide resistor R19; The stiff end of the pin 2 of said second chip TLC2274 and slide resistor R19 and an end of resistance R 13 join; The stiff end of one end of the other end of said resistance R 13 and resistance R 10 and slide resistor R11 joins; The sliding end ground connection of said slide resistor R11 and join through capacitor C 9 output terminal VCC with power module (2-6); The output terminal VCC of the other end of said resistance R 10 and power module (2-6) joins; The pin 3 of said second chip TLC2274 joins through resistance R 15 ground connection and through the pin 1 of resistance R 4 with first chip TLC2274; The pin 4 of said second chip TLC2274 joins with the output terminal VCC of power module (2-6) and the pin 11 through capacitor C 11 and second chip TLC2274 joins; The pin 5 of said second chip TLC2274 joins through resistance R 16 ground connection and through the pin 7 of resistance R 5 with first chip TLC2274; The stiff end of the pin 6 of said second chip TLC2274 and slide resistor R20 and an end of resistance R 14 join; The stiff end of one end of the other end of said resistance R 14 and resistance R 8 and slide resistor R9 joins; The sliding end ground connection of said slide resistor R9 and join through capacitor C 8 output terminal VCC with power module (2-6); The pin 7 of said second chip TLC2274 joins with the sliding end of slide resistor R20; The pin 8 of said second chip TLC2274 joins with the sliding end of slide resistor R22, and the stiff end of the pin 9 of said second chip TLC2274 and slide resistor R22 and an end of resistance R 17 join, and the stiff end of an end of the other end of said resistance R 17 and resistance R 6 and slide resistor R7 joins; The sliding end ground connection of said slide resistor R7 and join through capacitor C 10 output terminal VCC with power module (2-6), the pin 10 of said second chip TLC2274 joins through resistance R 18 ground connection and through the pin 8 of resistance R 12 with first chip TLC2274; Said A/D change-over circuit module (2-2) comprises chip TLC2543 and capacitor C 14 and C15; The pin 1 of said chip TLC2543 and the pin 1 of second chip TLC2274 join; The pin 2 of said chip TLC2543 and the pin 7 of second chip TLC2274 join; The pin 3 of said chip TLC2543 and the pin 8 of second chip TLC2274 join; Pin 10 ground connection of said chip TLC2543 and join through capacitor C 14 pin 20 with chip TLC2543; Pin 13 ground connection of said chip TLC2543 and join through capacitor C 15 pin 14 with chip TLC2543; The pin 14 of said chip TLC2543 and pin 20 all join with the output terminal VCC of power module (2-6), and the pin 15 of said chip TLC2543 and the pin 2 of single-chip microcomputer P89C668 join, and the pin 16 of said chip TLC2543 and the pin 5 of single-chip microcomputer P89C668 join; The pin 17 of said chip TLC2543 joins with the pin 4 of single-chip microcomputer P89C668, and the pin 18 of said chip TLC2543 joins with the pin 3 of single-chip microcomputer P89C668.

9. according to the described a kind of portable color detection appearance of claim 7; It is characterized in that: said display module (2-4) comprises LCD1602 and slide resistor R 30; Pin 1 ground connection of said LCD1602 and join with the stiff end of slide resistor R 30; The pin 2 of said LCD1602 joins with another stiff end of slide resistor R 30 and joins with the output terminal VCC of power module (2-6); The pin 3 of said LCD1602 joins with the sliding end of slide resistor R 30, and the pin 4 of said LCD1602 joins with the pin 11 of single-chip microcomputer P89C668, and the pin 5 of said LCD1602 joins with the pin 13 of single-chip microcomputer P 89C668; The pin 6 of said LCD1602 joins with the pin 17 of single-chip microcomputer P89C668, and the corresponding successively pin 43-36 with single-chip microcomputer P89C668 of the pin 7～14 of said LCD1602 joins.

10. according to the described a kind of portable color detection appearance of claim 7; It is characterized in that: said parameter is provided with module (2-5) and comprises button S1, S2, S3 and S4 and resistance R 25, R26, R28 and R29; The pin 1 of said button S1 joins with an end of resistance R 25 and the pin 27 of single-chip microcomputer P89C668; The pin 1 of said button S2 joins with an end of resistance R 26 and the pin 26 of single-chip microcomputer P89C668; The pin 1 of said button S3 joins with an end of resistance R 28 and the pin 15 of single-chip microcomputer P89C668; The pin 1 of said button S4 joins with an end of resistance R 29 and the pin 14 of single-chip microcomputer P89C668; The other end of the other end of the other end of the other end of said resistance R 25, resistance R 26, resistance R 28 and resistance R 29 all joins the pin 2 of the pin 2 of said button S1, the pin 2 of button S2, button S3 and the pin of button S4 2 equal ground connection with the output terminal VCC of power module (2-6).