CN104337137A - Intelligent wristband for assisting achromate in discriminating colors and color discrimination method - Google Patents
Intelligent wristband for assisting achromate in discriminating colors and color discrimination method Download PDFInfo
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- CN104337137A CN104337137A CN201410638304.0A CN201410638304A CN104337137A CN 104337137 A CN104337137 A CN 104337137A CN 201410638304 A CN201410638304 A CN 201410638304A CN 104337137 A CN104337137 A CN 104337137A
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Abstract
The invention discloses an intelligent wristband for assisting achromate in discriminating colors. The intelligent wristband comprises a wristband body and a color discrimination device arranged on the wristband body and used for assisting the achromate; the color discrimination device comprises a convex lens, a flash lamp, a controller, a power supply circuit and a display screen; the controller is respectively connected with a color sensor, the flash lamp, the power supply circuit and the display screen; the convex lens is arranged at the front end of the color sensor according to a focal position; an internal program in the controller automatically performs white balance settings; the flash lamp is used for irradiating a target object under test through the convex lens; after passing through a condensation light path, the reflected light of the object under test is irradiated onto the color sensor; after an output signal of the color sensor is recognized by the controller, an identified result is transmitted to the display screen, and therefore the wearable equipment for assisting achromate in discriminating the colors is realized, the color discrimination distance is increased, and the misjudgment rate of color discrimination is effectively reduced. The invention also discloses a color discrimination method of the intelligent wristband for assisting the achromate in discriminating the colors, so that the goal that the wearable equipment assists the achromate in discriminating the colors is achieved.
Description
Technical field
The present invention relates to a kind of intelligent electronic device, be specifically related to a kind of auxiliary achromate and distinguish the Intelligent bracelet of look and distinguish color method.
Background technology
Protanopia anerythrochloropsia is a kind of genetic disease, and today of medical science prosperity still cannot cure this disease, and this kind of crowd is very depressed, works for this reason, living all is restricted.Current only way is exactly the eyeglass help patient identification colors by pure optical principle.And assist the report of protanopia anerythrochloropsia patient distinguishing colours there is not yet by electronic equipment.Therefore we utilize color sensor to prepare intelligence and distinguish look bracelet, can be used for auxiliary protanopia anerythrochloropsia patient accurately to differentiate redness and green, and this is the wearable device that the first auxiliary protanopia anerythrochloropsia patient distinguishes look.
Color sensor is a kind of conventional photoelectric sensor, and it is mainly used in the field such as industrial detection, remote sensing, and common model has TCS series, FT serial.Wherein, TCS230 application is comparatively general, and TCS230 is the converter of colourama a kind of able to programme to frequency of TAOS company of U.S. production, and turn voltage color detection instrument than the light seen on the market has more advantage in performance.TCS230 is integrated in configurable silicon photoelectric diode and current frequency converter on a single COMS circuit, simultaneously integrated RGB (RGB) three kinds of filters on one chip, is the RGB color sensor that the first in the world has digital compatibility interface.For TCS230, when a selected color filter, it only allows certain specific primary colors to pass through, and stops passing through of other primary colors.Such as: when selecting red filter, in incident light, only have redness to pass through, blue and green is all prevented from, and so just can obtain the light intensity of red light; In like manner, select other wave filter, just can obtain the light intensity of blue light and green light.By these three values, the color of the light projected on TCS230 sensor just can be analyzed.
Colour recognition subject matter based on TCS230 is measuring distance limited (best measurement values only has 2-3 centimetre), this mainly comes from the interference of surround lighting, the collection difficulty etc. to target measured object reverberation, therefore, direct use TCS230 carries out colour recognition, can not meet protanopia anerythrochloropsia patient daily life, requirements of one's work in decipherment distance.
Summary of the invention
In order to solve the problem, one of task of the present invention is to provide the Intelligent bracelet that a kind of auxiliary achromate distinguishes look, realizes the wearable device that auxiliary achromate distinguishes look, improves the distance that color sensor is differentiated.
The present invention is realized by following technical proposals:
A kind of auxiliary achromate distinguishes the Intelligent bracelet of look, it is characterized in that: what comprise bracelet and to be arranged on bracelet auxiliary achromate distinguishes look device, distinguish that look device comprises convex lens, color sensor, flash lamp, controller, power circuit and display screen, controller respectively with color sensor, flash lamp, power circuit and display screen connect, convex lens are arranged on the front end of color sensor according to focal position, controller internal processes carries out white balance adjusting automatically, flash lamp irradiates target measured object by convex lens, the reverberation of measured object after optically focused light path cover on color sensor, controller is to after the output signal identifying processing of color sensor, recognition result is transferred to display screen.
Described convex lens are fixed on the focal length place of distance color sensor 1 times.
Described flash lamp is mobile phone flash lamp or light emitting diode.
Described white balance adjusting carries out adjustment white balance by white balance sensor and control circuit thereof.
Described color sensor is model TCS230 chip.
Described TCS230 chip, it is connected with first output (P27) of described controller and the second output (P26) for selecting the photodiode of different wave filter to control pin (S2, S3); It controls pin (S0, S1) for the output calibration adjusting reference frequency output and is connected with power end (VCC) respectively by the current-limiting resistance (R1, R2) for the protection of controller; Rate-adaptive pacemaker enable pin (
) be connected ground connection with earth terminal (GND), for improving noise resisting ability; Frequency output terminal (OUT) is connected with the first input end (P35) of controller; Described controller is one-chip computer.
Described display screen is organic electric exciting light-emitting diode display screen.
The lithium battery of the power acquisition mobile phone that described power circuit connects or Ni-MH battery.
Described distinguish look device be provided with white balance adjusting key and white balance cut-off key.
What two of task of the present invention was to provide that a kind of auxiliary achromate distinguishes the Intelligent bracelet of look distinguishes color method, realizes wearable device and assists achromate to distinguish look.
The present invention is realized by following technical proposals:
What auxiliary achromate distinguished the Intelligent bracelet of look distinguishes a color method, it is characterized in that comprising the steps:
Step 1: system initialization;
Step 2: described controller internal processes judges whether the white balance adjusting key detected is pressed, if judgement is, jump procedure 3; Otherwise jump procedure 4;
Step 3: white balance adjusting, the pulse of described color sensor output is received by described controller, to white object RGB ratio under calculating identification current environment, when white object RGB ratio is uneven, call white balance subprogram, RGB difference in regulation light source, makes the uneven ratio of current environment to white object RGB be adjusted to 1:1:1;
Step 4: colour recognition calculates and process, and the corresponding color filter of controller internal processes gating, calculates three kinds of output frequencies of color sensor respectively in Preset Time; Colour recognition calculates and processes subprogram RGB tri-Data Placement 225 units, shades of colour division is carried out in three-dimensional data chart, when three kinds of output frequencies of the color sensor calculated meet certain color region time, namely export the result of this color, RGB numerical value is upgraded;
Step 5: colour recognition result and the concrete numerical value of RGB are shown by display screen;
Step 6: controller internal processes judges whether the white balance cut-off key detected is pressed, if judgement is, jump procedure 7, otherwise jump procedure 4;
Step 7: closing controller interrupts, and stops the renewal to colour recognition data, colour recognition function stop, locks result and output display.
Advantage of the present invention:
(1) the present invention assists achromate to distinguish the Intelligent bracelet of look, realizes the wearable device that auxiliary achromate distinguishes look.
(2) the present invention assists achromate to distinguish the Intelligent bracelet of look, convex lens is positioned over the front of color sensor, and distance color sensor 1 times of focal length place, effectively can converge the light that target measured object reflects, effectively put forward high-resolution distance.
(3) the present invention assists achromate to distinguish the Intelligent bracelet of look, innovates the mobile phone flash lamp of employing closer to natural daylight RGB balanced proportions as light source, effectively reduces the False Rate of colour recognition.
(4) what the present invention assisted achromate to distinguish the Intelligent bracelet of look distinguishes color method, realizes wearable device and assists achromate to distinguish look.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention;
Fig. 2 is controller SCM peripheral circuit interconnect pattern of the present invention;
Fig. 3 is colour recognition circuit of the present invention;
Fig. 4 is white balance adjusting key and the white balance cut-off key circuit figure of the connection of Fig. 2 single-chip microcomputer;
Fig. 5 is flash lamp circuit figure of the present invention;
Fig. 6 is the display screen circuit diagram that Fig. 2 single-chip microcomputer connects;
Fig. 7 be the present invention assist protanopia anerythrochloropsia patient to distinguish the Intelligent bracelet of look distinguish color method flow chart.
Detailed description of the invention
Embodiment 1:
Auxiliary achromate distinguishes an Intelligent bracelet for look, and what comprise bracelet and to be arranged on bracelet auxiliary achromate distinguishes look device, and this can be achromate and provides a kind of wearable electronic.As Fig. 1 to Fig. 2, distinguish that look device comprises convex lens, color sensor (model is TCS230 chip), mobile phone flash lamp, one-chip computer (abbreviation single-chip microcomputer, model is STC12C5A60S2), power circuit and organic electric exciting light-emitting diode display screen (referred to as OLED display screen), single-chip microcomputer is connected with color sensor TCS230 chip, mobile phone flash lamp, power circuit and OLED display screen respectively, can the color of accurate recognition object in convex lens enclose according to the focal length place that focal position is arranged on TCS230 chip front end distance TCS230 chip 1 times.
As Fig. 4, when switch J1 presses, the bright display of mobile phone flash lamp LEDB, target measured object is irradiated by convex lens, the reverberation of measured object after optically focused light path cover on the photosurface of TCS230 chip, single-chip microcomputer internal processes carries out white balance adjusting automatically, the photodiode that single-chip microcomputer internal processes controls gating TCS230 chip according to table 1 controls pin (S2, S3), selective filter, thus output frequency is transferred to single-chip microcomputer calculates, as Fig. 5, the result calculated is transferred to the pin (D0 of OLED display screen by the output pin of single-chip microcomputer, D1, RST1, DC, CS).
As Fig. 2, SCM system: STC12C5A60S2 single-chip microcomputer, forms single-chip minimum system jointly together with reset, crystal oscillator, power circuit, is used for colour identification signal is processed to (containing white balance adjusting), controls the identification, flash lamp control etc. of button.Owing to considering the final product built wearable, in the selection of power supply, we select lithium battery or the Ni-MH battery of small-sized mobile phone, and its voltage only has+3.7V, therefore, be raised to+5V by booster circuit, for whole system provides+5V voltage, guaranteed the normal table work of circuit.
As Fig. 2 to Fig. 3, colour recognition circuit: TCS230 chip, it is connected with the first output P27 of single-chip microcomputer and the second output P26 for selecting the photodiode of different wave filter to control pin (S2, S3); It controls pin (S0, S1) for the output calibration adjusting reference frequency output and is connected with power end VCC respectively by the current-limiting resistance (R1, R2) for the protection of controller, make its output frequency be demarcated as 100%, export calibration control pin (S0, S1) and also can be used for selecting power remove pattern; Rate-adaptive pacemaker enable pin
ground connection is connected, for improving noise resisting ability with earth terminal GND; Frequency output terminal OUT is connected with the first input end P35 of single-chip microcomputer, output frequency is sent single-chip microcomputer process; Power end VCC meets+5V.
As Fig. 6, distinguish that look device is provided with white balance adjusting key SW5 and the white balance cut-off key SW6 of Non-follow control, the first input end P06 of these two buttons and single-chip microcomputer and the second input P07, when button is pressed, low level is effective triggering signal.
Above-mentioned mobile phone flash lamp LEDB available light diode substitutes, mobile phone flash lamp LEDB is adopted in the present embodiment, when using TCS230 chip to carry out colour recognition, generally light source can be equipped with, strengthen the reflective light intensity of target measured object, but light source needs to consider its colour rendering when selecting, colour rendering refers to that illumination that light source sends is mapped to objective effect that object produces and manifests degree to object realistic colour.The light source that colour rendering is high is better to the performance of color, the color access expansion primary colors seen; The light source that colour rendering is low is poor to color performance, and the misalignment seen is also larger.In common name situation, what coordinate TCS230 chip to use is generally 1 or 4 LED as light source, but the colour rendering of LED light source is only 80% of natural daylight.Therefore, our novelty selected the flash lamp of mobile phone photograph as light source, ratio and the natural daylight of each coloured light contained in the light that flash light source sends are closest, and colour rendering can reach 95%.Do like this, make light source closer to the balanced proportions of the RGB of natural daylight, effectively reduce False Rate.
As Fig. 7, what auxiliary achromate distinguished the Intelligent bracelet of look distinguishes color method, it is characterized in that comprising the steps:
Step 1: system initialization, comprises initialization, timer initialization etc. on OLED display screen initialization, TCS230 chip;
Step 2: single-chip microcomputer internal processes judges whether the white balance adjusting key detected is pressed, namely single-chip microcomputer internal processes judges that whether white balance adjusting key SW5 is to single-chip microcomputer conveying low level triggering signal, if judgement is, jump procedure 3; Otherwise jump procedure 4;
Step 3: white balance adjusting, the pulse of color sensor TCS230 chip output is received by the first input end P35 of single-chip microcomputer, to white object RGB ratio under calculating identification current environment, when white object RGB ratio is uneven, call white balance subprogram, RGB difference in regulation light source, makes the uneven ratio of current environment to white object RGB be adjusted to 1:1:1;
Step 4: colour recognition calculates and process, single-chip microcomputer internal processes, by timer corresponding wave filter of foundation table 1 gating in Preset Time, is correspondingly read the value of counter, calculates three kinds of output frequencies of TCS230 respectively by singlechip interruption; Colour recognition calculates and processes subprogram RGB tri-Data Placement 225 units, shades of colour division is carried out in three-dimensional data chart, when three kinds of output frequencies of the TCS230 calculated meet certain color region time, namely export the result of this color, RGB numerical value is upgraded;
Step 5: colour recognition result and the concrete numerical value of RGB are shown by OLED display screen;
Step 6: single-chip microcomputer internal processes judges whether the white balance cut-off key detected is pressed, namely single-chip microcomputer internal processes judges that whether white balance cut-off key SW6 is to single-chip microcomputer conveying low level triggering signal, if judgement is, jump procedure 7, otherwise jump procedure 4;
Step 7: close singlechip interruption, stop the renewal to colour recognition data, colour recognition function stop, locks result and output display.
Embodiment 2:
On the basis of embodiment 1, above-mentioned white balance adjusting also can carry out adjustment white balance by white balance sensor and control circuit thereof.
The present invention is not limited to above-mentioned detailed description of the invention, and the further expansion that those of ordinary skill in the art makes according to the present invention all falls into protection scope of the present invention.
Claims (10)
1. an auxiliary achromate distinguishes the Intelligent bracelet of look, it is characterized in that: what comprise bracelet and to be arranged on bracelet auxiliary achromate distinguishes look device, distinguish that look device comprises convex lens, color sensor, flash lamp, controller, power circuit and display screen, controller respectively with color sensor, flash lamp, power circuit and display screen connect, convex lens are arranged on the front end of color sensor according to focal position, controller internal processes carries out white balance adjusting automatically, flash lamp irradiates target measured object by convex lens, the reverberation of measured object after optically focused light path cover on color sensor, controller is to after the output signal identifying processing of color sensor, recognition result is transferred to display screen.
2. auxiliary achromate according to claim 1 distinguishes the Intelligent bracelet of look, it is characterized in that: described convex lens are fixed on the focal length place of distance color sensor 1 times.
3. auxiliary achromate according to claim 1 distinguishes the Intelligent bracelet of look, it is characterized in that: described flash lamp is mobile phone flash lamp or light emitting diode.
4. auxiliary achromate according to claim 1 distinguishes the Intelligent bracelet of look, it is characterized in that: described white balance adjusting carries out adjustment white balance by white balance sensor and control circuit thereof.
5. auxiliary achromate according to claim 1 distinguishes the Intelligent bracelet of look, it is characterized in that: described color sensor is model TCS230 chip.
6. auxiliary achromate according to claim 5 distinguishes the Intelligent bracelet of look, it is characterized in that: described TCS230 chip, it is connected with first output (P27) of described controller and the second output (P26) for selecting the photodiode of different wave filter to control pin (S2, S3); It controls pin (S0, S1) for the output calibration adjusting reference frequency output and is connected with power end (VCC) respectively by the current-limiting resistance (R1, R2) for the protection of controller; Rate-adaptive pacemaker enable pin (
) be connected ground connection with earth terminal (GND), for improving noise resisting ability; Frequency output terminal (OUT) is connected with the first input end (P35) of controller; Described controller is one-chip computer.
7. auxiliary achromate according to claim 1 distinguishes the Intelligent bracelet of look, it is characterized in that: described display screen is organic electric exciting light-emitting diode display screen.
8. auxiliary achromate according to claim 1 distinguishes the Intelligent bracelet of look, it is characterized in that: the lithium battery of the power acquisition mobile phone that described power circuit connects or Ni-MH battery.
9. the auxiliary achromate according to claim arbitrary in claim 1-8 distinguishes the Intelligent bracelet of look, it is characterized in that: described in distinguish look device be provided with white balance adjusting key and white balance cut-off key.
10. what the auxiliary achromate as described in claim as arbitrary in claim 9 distinguished the Intelligent bracelet of look distinguishes color method, it is characterized in that comprising the steps:
Step 1: system initialization;
Step 2: described controller internal processes judges whether the white balance adjusting key detected is pressed, if judgement is, jump procedure 3; Otherwise jump procedure 4;
Step 3: white balance adjusting, the pulse of described color sensor output is received by described controller, to white object RGB ratio under calculating identification current environment, when white object RGB ratio is uneven, call white balance subprogram, RGB difference in regulation light source, makes the uneven ratio of current environment to white object RGB be adjusted to 1:1:1;
Step 4: colour recognition calculates and process, and the corresponding color filter of controller internal processes gating, calculates three kinds of output frequencies of color sensor respectively in Preset Time; Colour recognition calculates and processes subprogram RGB tri-Data Placement 225 units, shades of colour division is carried out in three-dimensional data chart, when three kinds of output frequencies of the color sensor calculated meet certain color region time, namely export the result of this color, RGB numerical value is upgraded;
Step 5: colour recognition result and the concrete numerical value of RGB are shown by display screen;
Step 6: controller internal processes judges whether the white balance cut-off key detected is pressed, if judgement is, jump procedure 7, otherwise jump procedure 4;
Step 7: closing controller interrupts, and stops the renewal to colour recognition data, colour recognition function stop, locks result and output display.
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