CN2879313Y

CN2879313Y - Laser pen capable of eliminating ignition obstacle of color blindness and color amblyopia sufferer

Info

Publication number: CN2879313Y
Application number: CN 200520076678
Authority: CN
Inventors: 黄甲平; 梁军
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-25
Filing date: 2005-10-25
Publication date: 2007-03-14
Anticipated expiration: 2015-10-25

Abstract

A laser pen capable of eliminating identification obstacle of color blindness and color amblyopia sufferer comprises a pen shell, laser generators, a power source, and a switch. The laser generators are solidity twin color laser generators having red light and blue light, or red light and green light, or green light and blue light; or trichromic laser generators having red light, green light and blue light. Three laser generators are tightly distributed around a central axis so that laser spots formed by the emitted laser beams are close to each other as much as possible without any affection to each other to achieve identity of indication positions. According to indication using laser beams of the three primary colors, the identification obstacle of color blindness and color amblyopia sufferer who is unable to identify the indication positions only by colors is eliminated, and a obstacle free environment for work and learning is provided for the sufferer.

Description

Can eliminate the laser pen of colour blindness and anomalous trichromatism patient identification obstacle

Affiliated technical field

The utility model relates to laser pen, relates in particular to a kind ofly based on the human body color theory, can eliminate the laser pen of colour blindness and anomalous trichromatism patient identification obstacle.

Background technology

Laser pen is widely used in occasions such as multimedia teaching, speech and meeting.Laser pen generally is made of laser generator, power supply, switch and current-limiting resistance.Connect switch during use, laser generator output beam of laser projects on screen or the wall, and the luminous point of formation can play indicative function.Existing laser pen major part is the red laser pen, has occurred part green laser pen in recent years, and they are the laser pen of one-wavelength laser.For the ordinary people, use the indication of one-wavelength laser pen to there is no the identification obstacle or the identification obstacle is seldom arranged, but for colour blindness and anomalous trichromatism patient, one-wavelength laser makes them can not rely on the color of laser to carry out identification in many instances, has brought very big obstacle to them.Just think, when if a branch of red laser is mapped on the close with it background of color, for the ordinary people, also be not easy from background, easily to pick out laser spots, though this situation belongs to minority for the ordinary people, but colour blindness and the unresolvable color of anomalous trichromatism patient are more, will be perplexed by this situation that can not from background, easily pick out laser spots easily, make troubles to working and learning.And numeral shows according to statistics, and China male sex colour blindness incidence of disease is about 7%, and the women is about 0.5%, and visible China achromate is the colony of an enormous amount.So solve colour blindness and the difficulty of anomalous trichromatism patient in working and learning, for embodying social care, building a harmonious society has great significance.

Summary of the invention

It is a kind of based on the human body color theory that the purpose of this utility model is to provide, can eliminate the laser pen of colour blindness and anomalous trichromatism patient identification obstacle, laser by integrated two kinds or three kinds colors in laser pen, especially ruddiness, green glow and blue light three look laser generators, make laser pen can export the laser beam of two kinds or three kinds colors simultaneously, can on screen or wall, throw the laser spots that forms two kinds or three kinds colors and indicate.

The technical scheme that realizes above-mentioned above-mentioned purpose is: the laser pen that can eliminate colour blindness and anomalous trichromatism patient identification obstacle, comprise that a shell, laser generator, power supply, switch constitute, described laser generator is solid-state double-colored laser generator or three look laser generators, described three look laser generators are that ruddiness, green glow and blue light constitute, and ruddiness, green glow and blue laser generator are used to send redness, green and blue laser beam.Solid-state double-colored laser generator is three kinds of ruddiness, blue light or ruddiness, green glow or blue light, green glows, and the utility model can be controlled two-color laser or the whole three look laser that laser pen is exported a certain one-wavelength laser or combination in twos by the combination of switch and switching diode.Use three resistance respectively three laser generators to be carried out current limliting, prevent super-high-current infringement laser generator.Use a resistance and an electric capacity to constitute in addition and charge and discharge the loop, laser generator is caused damage with the unexpected variation of avoiding the laser generator both end voltage.Comprise pen container and condenser lens on the shell.

Three laser generators of the present utility model make three beams of laser approaching as far as possible under the situation that three laser spots that form on screen or the wall are being independent of each other around the central shaft tight distribution, reach the unanimity of indicating positions.Now, ruddiness, green glow and blue laser generator all have volume small and exquisite, can be at the product of continuous working under the powered battery, this provides current conditions for realization of the present utility model.

According to the human body color theory, red, green, blue is the light of the three kinds of the most basic colors that can experience of human eyes, simultaneously these three kinds of three primary colors that color also is a light.Symptom according to colour blindness and anomalous trichromatism patient shows again, and most patients can not correctly differentiate a certain primary colors or two kinds of primary colors, have only the monochromat of only a few can not differentiate any color.Especially trichromatic laser has been contained whole three kinds of primary colors, even have problems in colour blindness and the anomalous trichromatism patient resolution to a certain primary colors or two kinds of primary colors, the laser of the third primary colors still can make them pick out the position of indication like a cork.So the utility model can be colour blindness and anomalous trichromatism patient identification laser spots position from background provides very strong help.

The beneficial effects of the utility model are: can eliminate the identification obstacle that exists when most colour blindness and anomalous trichromatism patient indicate for the common laser pen, for disadvantaged group provide a clog-free working and learning environment, make them can feel the love of society, promote the development of harmonious society, and simple in structure, be easy to realize.

Description of drawings

Fig. 1 is a circuit diagram of the present utility model

Fig. 2 is the possible circuit diagram of another enforcement of the utility model

Embodiment

As shown in Figure 1, comprise ruddiness, green glow and blue laser generator DS1～DS3, switch S 1～S4, switching diode D1～D3, resistance R 1～R4, capacitor C 1 and battery supply.During use, press switch S 1, S2 or S3 separately, laser pen can be distinguished output red, green or blue monochromatic laser beam; Press switch S 4, exportable redness, green and blue three beams of laser; Press switch S 1 and S2 simultaneously, exportable redness and green two bundle laser; In like manner, press switch S 1 and S3 or switch S 2 and S3 simultaneously, then can distinguish output red and blue or green and blue two-color laser.The circulating direction of switching diode D1～D3 Control current, the corresponding laser generator of a conducting when making switch S 1～S3 closed.Resistance R 1, R2 and R3 are respectively the current-limiting resistance of laser generator DS1, DS2 and DS3, avoid super-high-current infringement laser generator.Resistance R 4 and capacitor C 1 constitutes charging and discharging circuit, avoids switch connection and disconnect moment causing the unexpected variation of voltage at the laser generator two ends.(wherein a switch is a power switch to constitute ON-OFF control circuit by four switches and three switching diodes, every switch of three switches connects a laser instrument in addition), seven kinds of different laser of may command laser pen output, wherein one-wavelength laser is exported 3 kinds (ruddiness, green glow and blue light), 3 kinds (ruddiness and green glow, ruddiness and blue light, green glow and blue light) of two-color laser output, a kind of three look laser output.

Also can be by constituting ON-OFF control circuit by two switches, six tunnel selector switch and nine switching diodes, seven kinds of different laser of may command laser pen output are exported, and the concrete way of output is the same.

And red indigo plant, red green or bluish-green three kinds of solid-state double-colored laser generators can be the products of making a device, and its circuit constitutes more simple and reliable.

As shown in Figure 2, laser generator DS1～DS3, resistance R 1～R4, being connected of capacitor C 1 and battery supply is all same as shown in Figure 1, switch sections has bigger difference: comprise three switch S 1～S3 and nine switching diode D1～D9, wherein S2 is six tunnel selector switch.During use, can select six kinds of different way of outputs,, for the red one-wavelength laser way of output, at this moment press switch S 1, the exportable a branch of red laser of laser pen as when the switch S 2 conducting circuits 1 by six tunnel selector switch S2; When switch S 2 conducting circuits 2～6, be respectively green one-wavelength laser output, the output of blue monochromatic laser, red and green two-color laser output, red and blue two-color laser output, the green and blue two-color laser way of output, when S2 selects these circuits of conducting, press switch S 1, can make laser pen export corresponding monochrome or two-color laser.When pressing switch S 3, then export the laser of whole three kinds of colors.The circulating direction of switching diode D1～D9 Control current uses three switch combinations and can control the laser that laser pen is exported monochromatic, double-colored or three looks.Resistance R 1～R4 and capacitor C 1 be connected with the effect all with Fig. 1 in identical.

The utility model comprises laser generator, switch and three parts of power supply, wherein laser generator comprise ruddiness, green glow and three kinds of colors of blue light laser generator each one.Three laser generators make the laser beam of ejaculation approaching as far as possible under the situation that formed laser spots on screen or the wall is being independent of each other around the central shaft tight distribution, thereby guarantee the unanimity of indicating positions.

Claims

1, can eliminate the laser pen of colour blindness and anomalous trichromatism patient identification obstacle, comprise that a shell, laser generator, power supply, switch constitute, it is characterized in that described laser generator is solid-state double-colored laser generator or three look laser generators, described three look laser generators are that ruddiness, green glow and blue light constitute, and solid-state double-colored laser generator is three kinds of ruddiness, blue light or ruddiness, green glow or blue light, green glows.

2, a kind of laser pen that can eliminate colour blindness and anomalous trichromatism identification obstacle according to claim 1 is characterized in that comprising in the laser pen each one in ruddiness, green glow and blue laser generator, is used to send the laser beam of three kinds of different colours.

3, a kind of laser pen that can eliminate colour blindness and anomalous trichromatism identification obstacle according to claim 1, it is characterized in that by four switch control laser pens, wherein a switch is a power switch, every switch of three switches connects a laser instrument in addition, export seven kinds of different laser, wherein one-wavelength laser output ruddiness, green glow or blue light are 3 kinds, 3 kinds of two-color laser output ruddiness and green glow, ruddiness and blue light or green glow and blue lights, a kind of three look laser output.

4, a kind of laser pen that can eliminate colour blindness and anomalous trichromatism identification obstacle according to claim 1 is characterized in that three laser generators are around the central shaft tight distribution.