CN2722824Y - Vision electric physiological exciting light source device - Google Patents
Vision electric physiological exciting light source device Download PDFInfo
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- CN2722824Y CN2722824Y CN 200420078417 CN200420078417U CN2722824Y CN 2722824 Y CN2722824 Y CN 2722824Y CN 200420078417 CN200420078417 CN 200420078417 CN 200420078417 U CN200420078417 U CN 200420078417U CN 2722824 Y CN2722824 Y CN 2722824Y
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Abstract
The utility model discloses a vision electric physiological exciting light source device which comprises a light source and an integrating sphere of which the front part is provided with a viewing window. The light source of the utility model is a combined light source which is formed by the combination of three or more than three illuminant which can emit light in different colors. A circuit is used for controlling the brightness and the flicker of each illuminant to get multicolor light combination in different intensity and proportion. The integrating sphere uniformly mixes light together to get the light in various colors for ophthalmic examination. The optimum method can adopt a red LED, a blue LED and a green LED which are circlewise distributed with the viewing window as the centre to form an annular array light source. Furthermore, the LEDs in various colors are uniformly distributed in the array light source. Multicolor light can be allocated and emitted, and the light source device has the advantages of simple structure and good uniformity of the light.
Description
Technical field
This utility model relates to a kind of light supply apparatus, particularly relates to the thorn laser source device of a kind of examination of visual electro physiology system.
Background technology
The thorn laser source device is that the examination of visual electro physiology system has lured one of bioelectric visual plant of body vision.The thorn laser source device of disclosed visual electrophysiology product mainly adopts xenon lamp as main light source at present.
This method is utilized xenon source spectrum broad and flash of light light intensity higher characteristics, adopts the light filter lens set of rotating disc type to filter, to obtain monochromatic light such as required red, yellow, the indigo plant of ophthalmologic examination; Simultaneously, spectrum components unchanged when guaranteeing light intensity attenuation, neutral colour filter also need superpose.So, this light supply apparatus the monochromatic kind that can produce be subjected to the restriction of light filter kind in the light filter lens set, can only send limited varicolored monochromatic light.And, owing to add light filter lens set and neutral colour filter, not only cost an arm and a leg, also make complicated in mechanical structure, the reliability of lowering apparatus.
The utility model content
The technical problems to be solved in the utility model is: a kind of visual electrophysiology thorn laser source device is provided, and the adjustable light that sends the extremely multiple color of required scope of this light supply apparatus, and simple in structure.
The technical solution of the utility model is: a kind of visual electrophysiology thorn laser source device, and it includes the integrating sphere of light source, anterior band observation panel, and described light source is the combined light source that is constituted by the luminous body of sending out different colours light more than three kinds or three kinds.
The further technical scheme of this utility model is: a kind of visual electrophysiology thorn laser source device, it includes the integrating sphere of light source, anterior band observation panel, described light source is the combined light source that is constituted by the luminous body of sending out different colours light more than three kinds or three kinds, and wherein contains these three kinds of luminous bodys of burn red, blue light, green light at least.
Adopted the light supply apparatus of technique scheme, control the electric current and voltage of each luminous body by circuit, with regard to the brightness of each luminous body of may command with flicker, can obtain the combination of the multiple coloured light of varying strength and ratio, the light that sends by these luminous bodys, scatter to the integrating sphere inner surface, and multiple diffuse-reflectance takes place, when human eye is observed mixed light in the observation panel front portion, just produced the consciousness of corresponding various colors, promptly by the electric current and voltage of each luminous body of control, just can obtain the required versicolor light of ophthalmologic examination, kind is extremely abundant.This has had bigger selectivity when making the doctor carry out ophthalmologic examination, and can be used widely aspect the visual electrophysiology medical research.And because this light supply apparatus frame for movement of motion such as additive filter lens set not makes that whole apparatus structure is succinct, reliability improves, the life-span height of product.
This utility model further technical scheme is: a kind of visual electrophysiology thorn laser source device, it includes the integrating sphere of light source, anterior band observation panel, described light source is made of light emitting diodes red, blue, green three kinds of colors at least, and light emitting diode is that center annular distributes with the observation panel.
The more detailed technical scheme of this utility model is: a kind of visual electrophysiology thorn laser source device, it includes the integrating sphere of light source, anterior band observation panel, described light source is made of light emitting diodes red, blue, green three kinds of colors at least, light emitting diode is that center annular distributes with the observation panel, the looping array light source, light emitting diode uniform distribution of all kinds in this array light source.
As further improved technical scheme, adopted light emitting diode as luminous body, make that energy, color, frequency and the pulsewidth adjustable extent of the light that this light supply apparatus produces are big, quantitatively precise control; Around light emitting diode being arranged in observation panel, circularize distribution, form a combined light source over against the integrating sphere inner surface, and light emitting diode uniform distribution of all kinds in combined light source, it is more even that this structure makes that light mixes, and annular arrangement can have large tracts of land more, wider light-emitting area, the more light emitting diode of also arranging down simultaneously reaches bigger light intensity.
Description of drawings
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 is the structure and the light path sketch map of an embodiment of this utility model;
Fig. 2 is the structural representation of combined light source shown in Figure 1, among the figure zero, ●,
The luminous body of representing different colours respectively;
Fig. 3 is the another kind of annular array of light sources arrangement mode of combined light source shown in Figure 1, among the figure zero, ●,
The luminous body of representing different colours respectively;
Fig. 4 is the structural representation of another kind of combined light source in this utility model specific embodiment, and expression adopts high brightness point-like luminous body to be arranged into discontinuous ring-type combined light source around observation panel, among the figure zero, ●,
The luminous body of representing different colours respectively;
Fig. 5 is the structural representation of another kind of combined light source in this utility model specific embodiment, and expression adopts annular luminous body to be arranged in the peripheral ring-type light source that constitutes of observation panel, and the annulus that is of different shades among the figure is represented the annular luminous body of different colours respectively.
Wherein: 1 combined light source; 2 observation panels; 3 integrating spheres; 4 panels; 5 circuit boards; 6 scattered lights; 7 diffuse; 8 tested eye; 9 light emitting diodes; 10 high brightness point-like luminous bodys; 11 annular luminous bodys.
The specific embodiment
Embodiment: as shown in Figure 1, a kind of visual electrophysiology thorn laser source device, the panel 4 that it includes combined light source 1, integrating sphere 3 and has observation panel 2, its panel 4 is fixed on integrating sphere 3 front portions.The mode of the light emitting diode 9 of red, blueness, green three kinds of colors by Fig. 2 being arranged on the circuit board 5, and circuit board 5 is fixed on panel 4 back sides, is that center annular distributes the looping light emitting diode matrix with observation panel 2; Then panel 4 is installed to integrating sphere 3 front portions, the combined light source 1 that annular light emitting diode constitutes is over against integrating sphere 3 inner surfacies.
As Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, provided several arrangement modes of the combined light source that several dissimilar luminous bodys constitute, wherein Fig. 2 and Fig. 3 represent the annular array combined light source that adopts microminiature point-like luminous body to constitute, as light emitting diode; Fig. 4 represents to adopt high brightness point-like luminous body to be arranged into discontinuous ring-type combined light source around observation panel; Fig. 5 represents to adopt annular luminous body to be arranged in the peripheral ring-type light source that constitutes of observation panel.
The another kind of embodiment of this utility model: this embodiment compares with a last embodiment, the panel 4 that does not have observation panel, but the anterior observation panel 2 that closes up into naturally of integrating sphere, then the mode of the light emitting diode 9 of red, blueness, green three kinds of colors by Fig. 2 is arranged on the circuit board 5, with observation panel 2 is that center annular is distributed on the inner surface of integrating sphere, looping light emitting diode matrix combined light source.Thus as can be seen, the panel among the last embodiment is not to be essential features yet, but considers for processing, factor such as easy for installation, implements additament of the present utility model.Which kind of embodiment no matter, it in fact all is to have played " integrating sphere of anterior band observation panel " such structure function, so based on this distortion of doing and improvement, still belong to protection domain of the present utility model.
Certainly; more than be very limited several specific embodiments of the present utility model; should be understood that; for the person of ordinary skill of the art; under the prerequisite that does not break away from the principle of the invention; can also make some distortion and improvement, this distortion and improvement should belong to protection domain of the present utility model.
Such as, this utility model is not limited to the combination of blueness, redness, green three-colour light-emitting body, if add Yellow luminous body therein again; Perhaps use red, orange, yellow, green, cyan, blueness, this seven colors luminous body of purple as the luminous body combined light source, even use other more multicolor luminous bodies to make up, these obviously also should be considered as belonging to protection domain of the present utility model.
In addition; this utility model also is not limited to and uses light emitting diode as luminous body; such as having used the light emitting diode luminous body of kind in addition; the luminous body that perhaps in light emitting diode matrix, is mingled with other kinds; as long as utilize the luminous body of multiple color in fact; by the even mixed light of integrating sphere, reach and obtain more kinds of purposes of enriching the light of color, just should be considered as belonging to protection domain of the present utility model.
In addition; this utility model also should not be limited to these several arrangement modes that Fig. 2, Fig. 3, Fig. 4, Fig. 5 provide; constitute the ring-shaped continuous light source no matter be; or discontinuous ring-type combined light source; as long as this light source use to have played with the observation panel in fact be that center annular distributes; constitute the function of ring-type light source, just should belong to protection domain of the present utility model.
In sum; no matter kind at luminous body; still selecting any varicolored luminous body; or the concrete arrangement mode of luminous body in the loop configuration etc. done any variation; as long as in the examination of visual electro physiology device, utilize the luminous body of multiple color in fact, by the even mixed light of integrating sphere; reach and obtain more kinds of purposes of enriching the light of color, just should be considered as belonging to protection domain of the present utility model.
Claims (7)
1. a visual electrophysiology thorn laser source device comprises light source, the anterior integrating sphere (3) of being with observation panel (2), it is characterized in that: described light source is the combined light source that is constituted by the luminous body of sending out the different colours light more than three kinds or three kinds.
2, visual electrophysiology thorn laser source device according to claim 1 is characterized in that: these three kinds of luminous bodys that contain burn red, blue light, green light in the described combined light source at least.
3, visual electrophysiology thorn laser source device according to claim 1 and 2, it is characterized in that: described luminous body is a light emitting diode.
4, visual electrophysiology thorn laser source device according to claim 1 and 2 is characterized in that: described light source is that luminous body is the combined light source that center annular distributes and constitutes with the observation panel.
5, visual electrophysiology thorn laser source device according to claim 3 is characterized in that: described light source is that light emitting diode is the array combination light source that center annular distributes and constitutes with the observation panel.
6, visual electrophysiology thorn laser source device according to claim 4 is characterized in that: the luminous body uniform distribution of sending out different colours light in the described combined light source.
7, visual electrophysiology thorn laser source device according to claim 5 is characterized in that: the light emitting diode uniform distribution of sending out different colours light in the described combined light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078417 CN2722824Y (en) | 2004-08-03 | 2004-08-03 | Vision electric physiological exciting light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078417 CN2722824Y (en) | 2004-08-03 | 2004-08-03 | Vision electric physiological exciting light source device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2722824Y true CN2722824Y (en) | 2005-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420078417 Expired - Fee Related CN2722824Y (en) | 2004-08-03 | 2004-08-03 | Vision electric physiological exciting light source device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2722824Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445759A (en) * | 2013-09-06 | 2013-12-18 | 重庆大学 | Self-operated measuring unit for reaction of pupil aperture to light based on digital image processing |
| CN106949410A (en) * | 2017-05-18 | 2017-07-14 | 信利光电股份有限公司 | A kind of light supply apparatus |
-
2004
- 2004-08-03 CN CN 200420078417 patent/CN2722824Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445759A (en) * | 2013-09-06 | 2013-12-18 | 重庆大学 | Self-operated measuring unit for reaction of pupil aperture to light based on digital image processing |
| CN106949410A (en) * | 2017-05-18 | 2017-07-14 | 信利光电股份有限公司 | A kind of light supply apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20110803 |