CN209570749U - A kind of endoscopic system and its light supply apparatus - Google Patents
A kind of endoscopic system and its light supply apparatus Download PDFInfo
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- CN209570749U CN209570749U CN201822229644.4U CN201822229644U CN209570749U CN 209570749 U CN209570749 U CN 209570749U CN 201822229644 U CN201822229644 U CN 201822229644U CN 209570749 U CN209570749 U CN 209570749U
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Abstract
The utility model provides a kind of endoscopic system and its light supply apparatus, the light intensity value for the first color of light of fraction that the detection of light-intensity test mould group is reflected by the first light combination piece and the light intensity value of the second color of light of fraction transmitted by the first light combination piece, the light intensity value of first color of light is converted into the first voltage value, the light intensity value of second color of light is converted into second voltage value, and Real-time Feedback gives light source control mould group, so that first light source mould group and/or second light source mould group is adjusted in light source control mould group, so that the light intensity value of color of light is consistent with benchmark light intensity value, so as to avoid the tone of mixed light from deviateing original numerical value, and then it can guarantee the stability of the tone of mixed light in long-term use process.And, it is located in the optical path for the light to be detected that the first color of light of fraction reflected by the first light combination piece and the second color of light of fraction transmitted by the first light combination piece are formed due to light-intensity test mould group, therefore, the detection of light intensity can be carried out in the case where not influencing light combination.
Description
Technical field
The utility model relates to endoscopic technique fields, fill more specifically to a kind of endoscopic system and its light source
It sets.
Background technique
With the development of science and technology, the light supply apparatus being made of the LED light source of a variety of different colours, more and more widely
It is applied in endoscope lighting system.This light supply apparatus carries out the light for the different colours that the LED light source of different colours issues
Mixing, to be illuminated using mixed light to detection object.By adjusting the input current of the LED light source of different colours, so that
The output light flux of the LED light source of different colours is different, so that the tone of obtained mixed light is different, and then can be with
The blood vessel of detection object different depth is highlighted, different clinical demands is met.
But since the luminous intensity of LED light source can decline over time, and the LED light source of different colours
Decline degree it is different, therefore, in the long-term use, the tone of the mixed light of light supply apparatus outgoing can deviate original number
Value, causes imaging effect undesirable, is not able to satisfy different clinical demands.
Utility model content
In view of this, the present invention provides a kind of endoscopic system and its light supply apparatus, to solve existing light source
The problem of tone of device mixed light deviates.
To achieve the above object, the utility model provides the following technical solutions:
A kind of light supply apparatus, including first light source mould group, second light source mould group, the first light combination piece and light-intensity test mould group；
The first light source mould group is for being emitted the first color of light；
The second light source mould group is for being emitted the second color of light；
The first light combination piece is used to transmit most of first color of light, most of second color of light of reflection,
So that first color of light of transmission and second color of light of reflection are mixed to get mixed light；
By the first light combination piece reflect fraction described in the first color of light and by the first light combination piece transmit it is small
Part second color of light forms light to be detected, and the light-intensity test mould group is located in the optical path of the light to be detected, is used for
Detect the light intensity value of first color of light reflected by the first light combination piece and described in the first light combination piece transmission
The light intensity value of first color of light is converted to the first voltage value, by second color of light by the light intensity value of the second color of light
Light intensity value be converted to second voltage value, and Real-time Feedback gives light source control mould group, so that the light source control mould group is described
The first voltage value and/or second voltage value it is corresponding reference voltage value it is inconsistent when, to the first light source mould group and/or
The second light source mould group is adjusted, and the benchmark light intensity value for keeping its light intensity value corresponding is consistent.
Optionally, the first light source mould group includes first light source, and the first light source is for emitting first color
Light；The light-intensity test mould group includes the first light-intensity test element；
The first light-intensity test element is used to detect the first color described in the fraction reflected by the first light combination piece
The light intensity value of first color of light is converted to the first voltage value and Real-time Feedback is to the light source control mould by the light intensity value of light
Group, so that the light source control mould group is when the corresponding reference voltage value of the first voltage value is inconsistent, to described
One light source is adjusted, and the benchmark light intensity value for keeping the light intensity value of its first color of light corresponding is consistent.
Optionally, the first light source mould group includes second light source, third light source, the 4th light source and the first light-integrating subassembly；
The second light source is for emitting the first light；
The third light source is for emitting the second light；
For 4th light source for emitting third light, the color of the third light, second light and first light is each
It is not identical；
First light-integrating subassembly is used to for first light, second light and the third light to be mixed to get described the
One color of light.
Optionally, first light-integrating subassembly is fiber coupler；Alternatively, first light-integrating subassembly includes the second light combination
Piece and third light combination piece；
The second light combination piece is for transmiting first light, reflection second light, to obtain first light and institute
State the mixed light of the second light；
The third light combination piece is used to transmit the mixed light of first light and second light, the reflection third light,
So that first light, second light and the third light are mixed to get first color of light.
Optionally, the light-intensity test mould group includes the second light-intensity test element, third light-intensity test element and the 4th light
Strong detecting element；
The second light-intensity test element is used to detect in first color of light by the small of the first light combination piece reflection
The light intensity value of first light is converted to the first sub- voltage value and Real-time Feedback is to the light source by the light intensity value of the first light of part
Mould group is controlled, so that the light source control mould group is when the corresponding reference voltage value of the described first sub- voltage value is inconsistent,
The second light source is adjusted, the benchmark light intensity value for keeping the light intensity value of first light corresponding is consistent；
The third light-intensity test element is used to detect in first color of light by the small of the first light combination piece reflection
The light intensity value of second light is converted to the second sub- voltage value and Real-time Feedback is to the light source by the light intensity value of the second light of part
Mould group is controlled, so that the light source control mould group is when the corresponding reference voltage value of the described second sub- voltage value is inconsistent,
The third light source is adjusted, the benchmark light intensity value for keeping the light intensity value of second light corresponding is consistent；
The 4th light-intensity test element is used to detect in first color of light by the small of the first light combination piece reflection
The light intensity value of the third light is converted to the sub- voltage value of third and Real-time Feedback is to the light source by the light intensity value of part third light
Mould group is controlled, so that the light source control mould group is when the corresponding reference voltage value of the sub- voltage value of the third is inconsistent,
4th light source is adjusted, the benchmark light intensity value for keeping the light intensity value of the third light corresponding is consistent.
Optionally, the second light source mould group includes the 5th light source, and the 5th light source is for emitting second color
Light；The light-intensity test mould group includes the 5th light-intensity test element；
The 5th light-intensity test element is used to detect the light intensity of second color of light of the first light combination piece transmission
The light intensity value of second color of light is converted to second voltage value and Real-time Feedback is to the light source control mould group by value, so that
The light source control mould group when the corresponding reference voltage value of the second voltage value is inconsistent, to the 5th light source into
Row is adjusted, and the benchmark light intensity value for keeping the light intensity value of second color of light corresponding is consistent.
Optionally, the second light source mould group includes the 6th light source, the 7th light source, the 8th light source and the second light-integrating subassembly；
6th light source is for emitting the 4th light；
7th light source is for emitting the 5th light；
8th light source is for emitting the 6th light；
Second light-integrating subassembly is used to for the 4th light, the 5th light and the 6th light to be mixed to get described the
Second colors light.
Optionally, second light-integrating subassembly includes the 4th light combination piece and pentahapto mating plate；
The 4th light combination piece is for transmiting the 4th light, reflection the 5th light, to obtain the 4th light and institute
State the mixed light of the 5th light；
The pentahapto mating plate is used to transmit the mixed light of the 4th light and the 5th light, reflection the 6th light,
So that the 4th light, the 5th light and the 6th light are mixed to get second color of light；The light-intensity test mould group
Including the 6th light-intensity test element, the 7th light-intensity test element and the 8th light-intensity test element；
The 6th light-intensity test element is used to detect in second color of light by the small of the first light combination piece transmission
The light intensity value of 4th light is converted to the 4th sub- voltage value and Real-time Feedback is to the light source by the light intensity value of the 4th light of part
Mould group is controlled, so that the light source control mould group is when the corresponding reference voltage value of the 4th sub- voltage value is inconsistent,
6th light source is adjusted, the benchmark light intensity value for keeping the light intensity value of the 4th light corresponding is consistent；
The 7th light-intensity test element is used to detect in second color of light by the small of the first light combination piece transmission
The light intensity value of 5th light is converted to the 5th sub- voltage value and Real-time Feedback is to the light source by the light intensity value of the 5th light of part
Mould group is controlled, so that the light source control mould group is when the corresponding reference voltage value of the 5th sub- voltage value is inconsistent,
7th light source is adjusted, the benchmark light intensity value for keeping the light intensity value of the 5th light corresponding is consistent；
The 8th light-intensity test element is used to detect in second color of light by the small of the first light combination piece transmission
The light intensity value of 6th light is converted to the 6th sub- voltage value and Real-time Feedback is to the light source by the light intensity value of the 6th light of part
Mould group is controlled, so that the light source control mould group is when the corresponding reference voltage value of the 6th sub- voltage value is inconsistent,
8th light source is adjusted, the benchmark light intensity value for keeping the light intensity value of the 6th light corresponding is consistent.
Optionally, the angle between plane where the light-intensity test mould group and the first light combination piece place plane is
45 °, and the detection faces of the light-intensity test mould group are vertical with second optical path.
A kind of endoscopic system, including as above described in any item light supply apparatus.
Compared with prior art, technical solution provided by the utility model has the advantage that
Endoscopic system and its light supply apparatus provided by the utility model, by light-intensity test mould group real-time detection by
The light intensity value of the first color of light of fraction of one light combination piece reflection and fraction the second color of light transmitted by the first light combination piece
The light intensity value of first color of light is converted to the first voltage value, the light intensity value of the second color of light is converted to the second electricity by light intensity value
Pressure value, and Real-time Feedback gives light source control mould group, so that light source control mould group is to first light source mould group and/or second light source mould group
It is adjusted, so that the light intensity value of the first color of light is consistent with benchmark light intensity value, so that the light intensity value and benchmark of the second color of light
Light intensity value is consistent, so as to avoid the tone of mixed light of the first color of light and the second color of light from deviateing original numerical value, into
And it can guarantee the stability of the tone of mixed light in long-term use process.
Also, the first color of light of fraction reflected by the first light combination piece is located at due to light-intensity test mould group and is closed by first
In the optical path for the light to be detected that second color of light described in the fraction of mating plate transmission is formed, therefore, light-intensity test mould group can be
In the case where not influencing light combination, the detection of light intensity is carried out.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram for the light supply apparatus that the first embodiment of the utility model provides；
Fig. 2 is the structural schematic diagram for the light supply apparatus that the second embodiment of the utility model provides；
Fig. 3 is the structural schematic diagram for the light-intensity test mould group that the second embodiment of the utility model provides；
Fig. 4 is the structural schematic diagram for the light supply apparatus that the 3rd embodiment of the utility model provides；
Fig. 5 is the structural schematic diagram for the light supply apparatus that the fourth embodiment of the utility model provides；
The structural schematic diagram for the light-intensity test mould group that Fig. 6 provides for the third of the utility model and four embodiments；
Fig. 7 is the structural schematic diagram for the light supply apparatus that the 5th embodiment of the utility model provides；
Fig. 8 is the structural schematic diagram for the light-intensity test mould group that the 5th embodiment of the utility model provides.
Specific embodiment
It is the core concept of the utility model above, to enable the above objects, features, and advantages of the utility model more
Add and become apparent, the following will be combined with the drawings in the embodiments of the present invention, to the technical scheme in the embodiment of the utility model
It is clearly and completely described, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than complete
The embodiment in portion.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, is fallen within the protection scope of the utility model.
First specific embodiment
A kind of light supply apparatus is present embodiments provided, which can be applied to the photograph of endoscope or other equipment
It is bright.As shown in Figure 1, the light supply apparatus includes first light source mould group 1, second light source mould group 2, the first light combination piece 3 and light-intensity test
Mould group 4, light source control mould group 7 and light source drive mould group 8.
Wherein, first light source mould group 1 is used to be emitted the first color of light along the first optic path, such as white light；Second light source
Mould group 2 is used to be emitted the second color of light along the second optic path, such as blue violet light, the i.e. face of the first color of light and the second color of light
Color is different, and the direction of the first optical path and the second optical path is also different；First light combination piece 3 is located at the intersection of the first optical path and the second optical path
Place, and the transmission plane of the first light combination piece 3 is towards first light source mould group 1, the reflecting surface of the first light combination piece 3 is towards second light source mould group
2, the first light combination piece 3 is mainly used for transmiting most of first color of light, reflects most of second color of light, so that the first of transmission
Color of light and the second color of light of reflection are mixed to get mixed light.
It should be noted that the first light combination piece 3 is preferably located at the first optical path and the mutually orthogonal intersection of the second optical path；
It is greater than 90% to the transmissivity of the first color of light, is greater than 90% to the reflectivity of the second color of light first light combination piece, that is,
It says, the first color of light that the first light combination piece 3 can transmit most first color of light, reflect fraction reflects most the
Second colors light, the second color of light for transmiting fraction.
While first light combination piece 3 transmits the first color of light, the second color of light of reflection, the first color of light of fraction is reflected
It is transmitted with the second color of light of fraction；First color of light of fraction reflected by the first light combination piece 3 and by the first light combination piece 3
The second color of light of fraction of transmission is mixed to form light to be detected, and light-intensity test mould group 4 is located in the optical path of light to be detected, and light
Transmission plane of the detection faces of strong detection mould group 4 towards the first light combination piece 3；Light-intensity test mould group 4 is for detecting quilt in light to be detected
It is transmitted in the light intensity value and light to be detected of the first color of light of fraction part of first light combination piece 3 reflection by the first light combination piece 3
The light intensity value of the second color of light of fraction part, by the light intensity for the first color of light of the fraction part reflected by the first light combination piece 3
Value is converted to the first voltage value, the light intensity value of the second color of light of the fraction part transmitted by the first light combination piece 3 is converted to
Two voltage values, and Real-time Feedback is to light source control mould group 7, so that the base that light source control mould group 7 is corresponding in the first voltage value
When quasi- voltage value is inconsistent, drive corresponding light source driving mould group 8 that the operating parameter of first light source mould group 1 is adjusted, with
The benchmark light intensity value for keeping the light intensity value of the first color of light corresponding is consistent；In the corresponding reference voltage value of second voltage value
When inconsistent, drive corresponding light source driving mould group 8 that the operating parameter of second light source mould group 2 is adjusted, so that the second face
The corresponding benchmark light intensity value of the light intensity value of coloured light is consistent.
In addition, the light supply apparatus in the utility model embodiment further includes optical instrument 5 and output light guide 6, optical instrument 5
The mixed light of the first color of light and the second color of light for synthesizing the first light combination piece 3 assembles coupling output light guide 6, so that defeated
Mixed light is transferred to subsequent parts and illuminated by light guide 6 out；Optical instrument 5 is preferably convergent lens, can also be lens
Group and its all optical devices for the convergence that can be realized；Exporting light guide 6 can be optical fiber, transmissive glass medium, transmission optics
The light guide that the light-conductive medias such as plastic medium are constituted.
In the utility model embodiment, the first light combination piece 3 is preferably dichroic piece, and certainly, the utility model simultaneously not only limits
In this, in other embodiments, the first light combination piece 3 can also be X prism, lens array and other can either transmit and can be anti-
Penetrate the diaphragm of light.In the utility model embodiment, the optical path by the synthesis of light combination piece is preferably that diameter is 15mm~50mm, light
Optical path of the beam divergence angle less than 4 °.
Light source module group provided in this embodiment, by 4 real-time detection first light source mould group 1 of light-intensity test mould group be emitted and
The light intensity value of the first color of light of fraction reflected by the first light combination piece 3 is detected that second light source mould group is emitted and is closed by first
The light intensity value for the second color of light of fraction that mating plate 3 transmits, and the light intensity value of the first color of light is converted into the first voltage value, general
After the light intensity value of second color of light is converted to second voltage value, Real-time Feedback is to light source control mould group 7, so that the light source control mould
Group 7 drives corresponding light source driving mould group 8 to first light source mould group 1 according to the first voltage value and its corresponding reference voltage value
Operating parameter is adjusted, drives corresponding light source driving mould group 9 right according to second voltage value and its corresponding reference voltage value
The operating parameter of second light source mould group 2 is adjusted, and the luminous intensity stabilization of first light source mould group 1 is attached in its benchmark light intensity
Closely, the luminous intensity of second light source mould group 2 is stablized near its benchmark light intensity, so as to avoid the first color of light and second
The tone of the mixed light of color of light deviates original numerical value, and then can guarantee the steady of the tone of mixed light in long-term use process
It is qualitative.
Since light-intensity test mould group 4 is located at the first color of light of fraction reflected by the first light combination piece 3 and by the first light combination
The second color of light of fraction that piece 3 transmits is mixed to form in the optical path of light to be detected, and the detection faces direction of light-intensity test mould group 4
The transmission plane of first light combination piece 3, therefore, light-intensity test mould group 4 and second light source mould group 2 are located at the not ipsilateral of the first light combination piece 3,
In the different light paths of the same side that light-intensity test mould group 4 and first light source mould group 1 are located at the first light combination piece 3, therefore, light-intensity test
Mould group 4 can carry out the detection of light intensity in the case where not influencing light combination.
It should be noted that the light-intensity test mould group 4 in the present embodiment can pass through the light-intensity test element of an entirety
The detection for realizing the light intensity value of different colours light, can also realize different colours light by different light-intensity test elements respectively
The detection of light intensity value, the utility model are not limited to that.
When light-intensity test mould group 4 realizes by different light-intensity test elements the detection of the light intensity value of different colours light respectively
When, different light-intensity test elements is placed on identical position, can farthest simplify the structure of light supply apparatus, reduces hard
The difficulty of part design, convenient for the practical set of light supply apparatus.
Second specific embodiment
The present embodiment and above-described embodiment the difference is that, as shown in Fig. 2, first light source mould group 1 include the first light
Source 11, first light source 11 is for emitting the first color of light.Second light source mould group 2 includes the 5th light source 15, and the 5th light source 15 is used for
Emit the second color of light.The first color of light, the second color of light that first light source 11, the 5th light source 15 are emitted respectively may also pass through
Optical instrument carries out expanding shaping, and optical instrument is lens group, and optical instrument can also be convergent lens and can be realized
All optical devices assembled.
Optionally, the first color of light is white light, and the second color of light is blue violet light.Certainly, the utility model is not limited in
This, in other embodiments, the first color of light can be with yellow light, and the second color of light can also be blue light etc., alternatively, the first color
Light can also be one of redgreenblue light light, alternatively, the first color of light can also mix for redgreenblue light
Remaining color in addition to white light light.
Optionally, first light source 11, the 5th light source 15 are to be electrically excited LED light source.But not limited to this, first light source 11,
Five light sources 15 can also be light excitated fluorescent powder light source or laser light source etc..
In the present embodiment, as shown in figure 3, light-intensity test mould group 4 includes that the first light-intensity test element 41 and the 5th light intensity are examined
Survey element 45；
First light-intensity test element 41 is used to detect the light intensity of the first color of light of fraction reflected by the first light combination piece 3
The light intensity value of first color of light is converted to the first voltage value and Real-time Feedback to light source control mould group 7, so that light source control by value
Mould group 7 drives corresponding light source driving mould group 8 to the first light when the corresponding reference voltage value of the first voltage value is inconsistent
The operating parameter in source 11 is adjusted, and the benchmark light intensity value for keeping the light intensity value of the first color of light corresponding is consistent.
5th light-intensity test element 45 is used to detect the light intensity of the second color of light of fraction transmitted by the first light combination piece 3
The light intensity value of second color of light is converted to second voltage value and Real-time Feedback to light source control mould group 7, so that light source control by value
Mould group 7 drives corresponding light source driving mould group to the 5th light when the corresponding reference voltage value of second voltage value is inconsistent
The operating parameter in source 15 is adjusted, and the benchmark light intensity value for keeping the light intensity value of the second color of light corresponding is consistent.
Light source module group provided in this embodiment, by 41 real-time detection first light source 11 of the first light-intensity test element by first
The light intensity value for the first color of light of fraction that light combination piece 3 reflects, and the light intensity value of the first color of light is converted into the first voltage value
Afterwards, Real-time Feedback is to light source control mould group 7, so that the light source control mould group 7 is according to the first voltage value and its corresponding benchmark electricity
Pressure value drives corresponding light source driving mould group 8 that the operating parameter of first light source 11 is adjusted, by shining for first light source 11
Intensity stabilization is near its benchmark light intensity, by the 5th light source 15 of 45 real-time detection of the 5th light-intensity test element by the first light combination piece
The light intensity value of the second color of light of fraction of 3 transmissions, and after the light intensity value of the second color of light is converted to second voltage value, in real time
Light source control mould group 7 is fed back to, so that the light source control mould group 7 drives according to second voltage value and its corresponding reference voltage value
The operating parameter of the 5th light source 15 is adjusted in corresponding light source driving mould group 8, and the luminous intensity of the 5th light source 15 is stablized
Near its benchmark light intensity, so as to avoid the tone of mixed light of the first color of light and the second color of light from deviateing original number
Value, and then can guarantee the stability of the tone of mixed light in long-term use process.
It should be noted that the light-intensity test mould group 4 in the present embodiment can pass through the light-intensity test element of an entirety
The detection for realizing the light intensity value of different colours light, can also realize different colours light by different light-intensity test elements respectively
The detection of light intensity value, the utility model are not limited to that.
Third specific embodiment
The present embodiment and above-described embodiment the difference is that, as shown in Figure 4 and Figure 5, first light source mould group 1 includes the
Two light sources 12, third light source 13, the 4th light source 14 and the first light-integrating subassembly 21.Equally, second light source mould group 2 includes the 5th light source
15, the 5th light source 15 is for emitting the second color of light；But not limited to this, first light source mould group 1 can also be two different colours
Light source, four different colours the multiple light sources composition such as light source the case where, second light source mould group 2 can also include two differences
The light source of color, three different colours light source situations such as.
Wherein, second light source 12 is for emitting the first light；Third light source 13 is for emitting the second light；4th light source 14 is used for
Emit third light；The color of first light, the second light and third light is different；First light-integrating subassembly 21 is used for the first light, the
Two light and third light are mixed to get the first color of light；But not limited to this, when first light source mould group 1 is other multiple light sources composition
Situation, then corresponding transmitting light is actually corresponding with the case where light source.
Optionally, the second color of light is blue violet light；First color of light, which can be, to be mixed to form by feux rouges, blue light and green light
Mixed light beam, wherein the first light, the second light and third light are respectively feux rouges, blue light and green light, that is to say, that the first color of light
It can be the white light mixed by red, blue, green light, but not limited to this, the first color of light can also be redgreenblue light
The light of remaining color in addition to white light mixed.
Optionally, as shown in figure 4, the first light-integrating subassembly 21 is fiber coupler；But not limited to this, it can also be even light
Stick, light combination mirror or transmitted light lens group etc..Light transmission fiber line can be passed through between laser and the first light-integrating subassembly 21；
But not limited to this, the light guide that can be constituted with light-conductive medias such as transmissive glass medium, transmission optics plastic mediums.
Optionally, second light source 12, third light source 13 and the 4th light source 14 are laser, but not limited to this, second light source
12, third light source 13 and the 4th light source 14 can also be to be electrically excited LED light source and light excitated fluorescent powder light source etc.；But it is not limited to
This, when first light source mould group 1 be other multiple light sources form the case where, then corresponding light source type with it is actually right the case where light source
It answers.
It should be noted that the light-intensity test mould group 4 in the present embodiment can pass through the light-intensity test element of an entirety
The detection for realizing the light intensity value of different colours light, can also realize different colours light by different light-intensity test elements respectively
The detection of light intensity value, the utility model are not limited to that.
4th specific embodiment
The present embodiment and above-described embodiment the difference is that, as shown in figure 5, first light source mould group 1 include the second light
Source 12, third light source 13, the 4th light source 14 and the first light-integrating subassembly 21, the first light-integrating subassembly 21 include 210 He of the second light combination piece
Third light combination piece 211；Equally, second light source mould group 2 includes the 5th light source 15, and the 5th light source 15 is for emitting the second color of light；
But not limited to this, first light source mould group 1 can also be the light sources of two different colours, multiple light such as light source of four different colours
The case where source forms.Second light source mould group 2 can also include the feelings such as the light source of the light source of two different colours, three different colours
Condition.
It should be noted that can also be closed using the modes such as fiber coupling or dichroic piece in the utility model embodiment
At the second color of light.
Wherein, the second light combination piece 210 is for transmiting the first light, the second light of reflection, to obtain the mixed of the first light and the second light
Light combination；Third light combination piece 211 is used to transmit the mixed light of the first light and the second light, reflection third light, so that the first light, the second light
The first color of light is mixed to get with third light.
Optionally, the second light combination piece 210 and third light combination piece 211 are all dichroic piece, certainly, the utility model and not only
Be limited to this, in other embodiments, can also be X prism, lens array and other can either transmit and be capable of reflecting light line
Diaphragm.In the utility model embodiment, the optical path by the synthesis of light combination piece is preferably that diameter is 15mm~50mm, beam divergence
Optical path of the angle less than 4 °.
Further, in Fig. 4 and structure shown in fig. 5, as shown in fig. 6, light-intensity test mould group 4 is examined including the second light intensity
Survey element 42, third light-intensity test element 43, the 4th light-intensity test element 44 and the 5th light-intensity test element 45.
Wherein, the second light-intensity test element 42 is for detecting the fraction reflected in the first color of light by the first light combination piece 3
The light intensity value of first light is converted to the first sub- voltage value and Real-time Feedback to light source control mould group 7 by the light intensity value of the first light, with
Make light source control mould group 7 when the corresponding reference voltage value of the first sub- voltage value is inconsistent, corresponding light source is driven to drive
The operating parameter of second light source 12 is adjusted in mould group 8, and the benchmark light intensity value for keeping the light intensity value of the first light corresponding is consistent；
Third light-intensity test element 43 is for detecting the second light of fraction reflected in the first color of light by the first light combination piece 3
Light intensity value, the light intensity value of the second light is converted into the second sub- voltage value and Real-time Feedback to light source control mould group 7, so that light source
Mould group 7 is controlled when the corresponding reference voltage value of the second sub- voltage value is inconsistent, drives corresponding light source driving mould group 8 right
The operating parameter of third light source 13 is adjusted, and the benchmark light intensity value for keeping the light intensity value of the second light corresponding is consistent；
4th light-intensity test element 44 is used to detect the fraction third reflected by the first light combination piece 3 in the first color of light
The light intensity value of third light is converted to the sub- voltage value of third and Real-time Feedback to light source control mould group 7, so that light by the light intensity value of light
Source controls mould group 7 when the corresponding reference voltage value of the sub- voltage value of third is inconsistent, drives corresponding light source driving mould group 8
The operating parameter of 4th light source 14 is adjusted, the benchmark light intensity value for keeping the light intensity value of third light corresponding is consistent；
5th light-intensity test element 45 is used to detect the light intensity value of the second color of light of fraction of the first light combination piece 3 transmission,
The light intensity value of second color of light is converted into second voltage value and Real-time Feedback to light source control mould group 7, so that light source control mould
Group 7 drives corresponding light source driving mould group 8 to the 5th light source when the corresponding reference voltage value of second voltage value is inconsistent
15 operating parameter is adjusted, and the benchmark light intensity value for keeping the light intensity value of the second color of light corresponding is consistent.
It is by the second light-intensity test element 42 that the luminous intensity stabilization of second light source 12 is corresponding at its in the present embodiment
Near benchmark light intensity, the luminous intensity of third light source 13 is stablized in its corresponding reference light by third light-intensity test element 43
It is by the 4th light-intensity test element 44 that the luminous intensity stabilization of the 4th light source 14 is attached in its corresponding benchmark light intensity near strong
Closely, original numerical value can be deviateed to avoid the tone for the first color of light that the first light, the second light and third light are mixed to get, passed through
The 5th light-intensity test element 45 of 5th light-intensity test element stablizes the luminous intensity of the 5th light source 15 in its corresponding reference light
It is strong nearby after, original numerical value can be deviateed to avoid the tone of the mixed light of the first color of light and the second color of light, and then can be with
Guarantee the stability of the tone of the mixed light of the first color of light and the second color of light in long-term use process.
It should be noted that the light-intensity test mould group 4 in the present embodiment can pass through the light-intensity test element of an entirety
The detection for realizing the light intensity value of different colours light, can also realize different colours light by different light-intensity test elements respectively
The detection of light intensity value, the utility model are not limited to that.
5th specific embodiment
The present embodiment and above-described embodiment the difference is that, as shown in fig. 7, first light source mould group 1 include the first light
Source 11, first light source 11 is for emitting the first color of light.Second light source mould group 2 includes the 6th light source 16, the 7th light source the 17, the 8th
Light source 18 and the second light-integrating subassembly 22.Certainly, the utility model is not limited to that, in other embodiments, second light source mould
Group 2 can also include the multiple light sources such as two light sources, four light sources.
Wherein, the 6th light source 16 is for emitting the 4th light；7th light source 17 is for emitting the 5th light；8th light source 18 is used for
Emit the 6th light, the color of the 4th light, the 5th light and the 6th light is different.Second light-integrating subassembly 22 is used for the 4th light, the
Five light and the 6th light are mixed to get the second color of light.Certainly, the utility model is not limited to that, when second light source mould group 2 is
The case where other multiple light sources form, then corresponding transmitting light is actually corresponding with the case where light source.
Optionally, the second color of light is the mixed light beam being mixed to form by feux rouges, blue light and green light, wherein the 4th light,
Five light and the 6th light are respectively feux rouges, green light and blue light, and the first color of light is blue violet light.Wherein, the second color of light can serve as reasons
The white light that feux rouges, blue light and green light are mixed into, or other in addition to white light being mixed by feux rouges, blue light and green light
Color of light.
Optionally, the second light-integrating subassembly 22 includes the 4th light combination piece 220 and pentahapto mating plate 221, certainly, the utility model
It is not limited to that, in other embodiments, the second light-integrating subassembly can also be fiber coupler or light combination mirror etc..
Optionally, light combination piece is preferably dichroic piece, and certainly, the utility model is not limited to that, in other embodiments
In, the first light combination piece 3 can also be X prism, lens array and other can either transmit and be capable of reflecting light the diaphragm of line.
Wherein, the 4th light combination piece 220 is for transmiting the 4th light, the 5th light of reflection, to obtain the mixed of the 4th light and the 5th light
Light combination；
Pentahapto mating plate 221 is used to transmit the mixed light of the 4th light and the 5th light, reflects the 6th light, so that the 4th light, the
Five light and the 6th light are mixed to get the second color of light.
Also, as shown in figure 8, light-intensity test mould group 4 includes the first light-intensity test element 41, the 6th light-intensity test element
46, the 7th light-intensity test element 47 and the 8th light-intensity test element 48.
First light-intensity test element 41 is used to detect the light intensity value of the first color of light of fraction of the first light combination piece 3 reflection,
The light intensity value of first color of light is converted into the first voltage value and Real-time Feedback to light source control mould group 7, so that light source control mould
Group 7 drives corresponding light source driving mould group 8 to first light source when the corresponding reference voltage value of the first voltage value is inconsistent
11 operating parameter is adjusted, and the benchmark light intensity value for keeping the light intensity value of the first color of light corresponding is consistent.
6th light-intensity test element 46 is used to detect the 4th light in the second color of light of fraction of the first light combination piece 3 transmission
Light intensity value, the light intensity value of the 4th light is converted into the 4th sub- voltage value and Real-time Feedback to light source control mould group 7, so that light source
Mould group 7 is controlled when the corresponding reference voltage value of the 4th sub- voltage value is inconsistent, drives corresponding light source driving mould group 8 right
The operating parameter of 6th light source 16 is adjusted, and the benchmark light intensity value for keeping the light intensity value of the 4th light corresponding is consistent；
7th light-intensity test element 47 is used to detect the 5th light in the second color of light of fraction of the first light combination piece 3 transmission
Light intensity value, the light intensity value of the 5th light is converted into the 5th sub- voltage value and Real-time Feedback to light source control mould group 7, so that light source
Mould group 7 is controlled when the corresponding reference voltage value of the 5th sub- voltage value is inconsistent, drives corresponding light source driving mould group 8 right
The operating parameter of 7th light source 17 is adjusted, and the benchmark light intensity value for keeping the light intensity value of the 5th light corresponding is consistent；
8th light-intensity test element 48 is used to detect the 6th light in the second color of light of fraction of the first light combination piece 3 transmission
Light intensity value, the light intensity value of the 6th light is converted into the 6th sub- voltage value and Real-time Feedback to light source control mould group 7, so that light source
Mould group 7 is controlled when the corresponding reference voltage value of the 6th sub- voltage value is inconsistent, drives corresponding light source driving mould group 8 right
The operating parameter of 8th light source is adjusted, and the benchmark light intensity value for keeping the light intensity value of the 6th light corresponding is consistent.
It is by the 6th light-intensity test element 46 that the luminous intensity stabilization of the 6th light source 16 is corresponding at its in the present embodiment
Near benchmark light intensity, the luminous intensity of the 7th light source 17 is stablized in its corresponding reference light by the 7th light-intensity test element 47
It is by the 8th light-intensity test element 48 that the luminous intensity stabilization of the 8th light source 18 is attached in its corresponding benchmark light intensity near strong
Closely, original numerical value can be deviateed to avoid the tone for the second color of light that the 4th light, the 5th light and the 6th light are mixed to get, passed through
It, can be to avoid the after first light-intensity test element 41 stablizes the luminous intensity of a light source 11 near its corresponding benchmark light intensity
The tone of the mixed light of one color of light and the second color of light deviates original numerical value, and then can guarantee in long-term use process the
The stability of the tone of the mixed light of one color of light and the second color of light.
It should be noted that reference voltage value is all to measure obtained voltage value, light in advance in the utility model embodiment
Source control mould group 7 after the comparing result of the voltage value and reference voltage value that obtain real-time measurement, can by adjust light source or
The operating parameters such as the input current or voltage of light source module group adjust the luminous intensity of light source or light source module group, so that light source or light
The luminous intensity of source mould group is consistent with benchmark light intensity value.
Optionally, plane and 3 institute of the first light combination piece where the detection faces of light-intensity test element in the utility model embodiment
Angle between plane is 45 °, such as the second light-intensity test element 42, the 4th light-intensity test element of third light-intensity test element 43
44 and the 5th light-intensity test element 45 detection faces where angle between plane and 3 place plane of the first light combination piece be all 45 °,
Also, the detection faces of light-intensity test element are vertical with the optical path of light to be detected, are based on this, can be incident on light to avoid Ray obliquity
Wavelength blue shift effect caused by the detection faces of strong detecting element, and then the detection accuracy of light-intensity test element can be improved.
The utility model embodiment additionally provides a kind of endoscopic system, which includes any embodiment as above
The light supply apparatus of offer, and illuminated using the light supply apparatus, it is highlighted with the blood vessel to detection object different depth, it is full
The different clinical demand of foot.
Endoscopic system and its light supply apparatus provided by the utility model embodiment are examined in real time by light-intensity test mould group
The second face of fraction surveying the light intensity value of the first color of light of fraction reflected by the first light combination piece and being transmitted by the first light combination piece
The light intensity value of first color of light is converted to the first voltage value, is converted to the light intensity value of the second color of light by the light intensity value of coloured light
Second voltage value, and Real-time Feedback gives light source control mould group, so that light source control mould group is to first light source mould group and/or the second light
Source mould group is adjusted, so that the light intensity value of the first color of light is consistent with benchmark light intensity value, so that the light intensity value of the second color of light
It is consistent with benchmark light intensity value, so as to avoid the tone of mixed light of the first color of light and the second color of light from deviateing original number
Value, and then can guarantee the stability of the tone of mixed light in long-term use process.
Also, the first color of light of fraction reflected by the first light combination piece is located at due to light-intensity test mould group and is closed by first
In the optical path for the light to be detected that second color of light described in the fraction of mating plate transmission is formed, therefore, light-intensity test mould group can be
In the case where not influencing light combination, the detection of light intensity is carried out.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.To the upper of the disclosed embodiments
It states bright, can be realized professional and technical personnel in the field or using the utility model.Various modifications to these embodiments pair
It will be apparent for those skilled in the art, the general principles defined herein can not depart from this reality
In the case where with novel spirit or scope, realize in other embodiments.Therefore, the utility model is not intended to be limited to this
These embodiments shown in text, and it is to fit to the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. a kind of light supply apparatus, which is characterized in that including first light source mould group, second light source mould group, the first light combination piece and light intensity
Detect mould group；
The first light source mould group is for being emitted the first color of light；
The second light source mould group is for being emitted the second color of light；
The first light combination piece is used to transmit most of first color of light, most of second color of light of reflection, so that
First color of light of transmission and second color of light of reflection are mixed to get mixed light；
First color of light described in the fraction reflected by the first light combination piece and the fraction transmitted by the first light combination piece
Second color of light forms light to be detected, and the light-intensity test mould group is located in the optical path of the light to be detected, for detecting
By the light intensity value of first color of light of the first light combination piece reflection and by described the second of the first light combination piece transmission
The light intensity value of first color of light is converted to the first voltage value, by the light of second color of light by the light intensity value of color of light
Intensity values are converted to second voltage value, and Real-time Feedback gives light source control mould group, so that the light source control mould group is described first
Voltage value and/or second voltage value it is corresponding reference voltage value it is inconsistent when, to the first light source mould group and/or described
Second light source mould group is adjusted, and the benchmark light intensity value for keeping its light intensity value corresponding is consistent.
2. the apparatus according to claim 1, which is characterized in that the first light source mould group includes first light source, and described
One light source is for emitting first color of light；The light-intensity test mould group includes the first light-intensity test element；
The first light-intensity test element is used to detect the first color of light described in the fraction reflected by the first light combination piece
The light intensity value of first color of light is converted to the first voltage value and Real-time Feedback to the light source control mould group by light intensity value,
So that the light source control mould group is when the corresponding reference voltage value of the first voltage value is inconsistent, to first light
Source is adjusted, and the benchmark light intensity value for keeping the light intensity value of its first color of light corresponding is consistent.
3. the apparatus according to claim 1, which is characterized in that the first light source mould group includes second light source, third light
Source, the 4th light source and the first light-integrating subassembly；
The second light source is for emitting the first light；
The third light source is for emitting the second light；
4th light source is for emitting third light, each not phase of the color of the third light, second light and first light
Together；
First light-integrating subassembly is used to first light, second light and the third light being mixed to get first face
Coloured light.
4. device according to claim 3, which is characterized in that first light-integrating subassembly is fiber coupler；Alternatively, institute
Stating the first light-integrating subassembly includes the second light combination piece and third light combination piece；
The second light combination piece is for transmiting first light, reflection second light, to obtain first light and described the
The mixed light of two light；
The third light combination piece is used to transmit the mixed light of first light and second light, the reflection third light, so that
First light, second light and the third light are mixed to get first color of light.
5. device according to claim 4, which is characterized in that the light-intensity test mould group includes the second light-intensity test member
Part, third light-intensity test element and the 4th light-intensity test element；
The second light-intensity test element is used to detect the fraction reflected in first color of light by the first light combination piece
The light intensity value of first light is converted to the first sub- voltage value and Real-time Feedback is to the light source control by the light intensity value of the first light
Mould group, so that the light source control mould group is when the corresponding reference voltage value of the described first sub- voltage value is inconsistent, to institute
It states second light source to be adjusted, the benchmark light intensity value for keeping the light intensity value of first light corresponding is consistent；
The third light-intensity test element is used to detect the fraction reflected in first color of light by the first light combination piece
The light intensity value of second light is converted to the second sub- voltage value and Real-time Feedback is to the light source control by the light intensity value of the second light
Mould group, so that the light source control mould group is when the corresponding reference voltage value of the described second sub- voltage value is inconsistent, to institute
It states third light source to be adjusted, the benchmark light intensity value for keeping the light intensity value of second light corresponding is consistent；
The 4th light-intensity test element is used to detect the fraction reflected in first color of light by the first light combination piece
The light intensity value of the third light is converted to the sub- voltage value of third and Real-time Feedback is to the light source control by the light intensity value of third light
Mould group, so that the light source control mould group is when the corresponding reference voltage value of the sub- voltage value of the third is inconsistent, to institute
It states the 4th light source to be adjusted, the benchmark light intensity value for keeping the light intensity value of the third light corresponding is consistent.
6. described in any item devices according to claim 1~5, which is characterized in that the second light source mould group includes the 5th light
Source, the 5th light source is for emitting second color of light；The light-intensity test mould group includes the 5th light-intensity test element；
The 5th light-intensity test element is used to detect the light intensity value of second color of light of the first light combination piece transmission, will
The light intensity value of second color of light is converted to second voltage value and Real-time Feedback is to the light source control mould group, so that the light
Source controls mould group when the corresponding reference voltage value of the second voltage value is inconsistent, adjusts to the 5th light source
Section, the benchmark light intensity value for keeping the light intensity value of second color of light corresponding are consistent.
7. device according to claim 6, which is characterized in that the second light source mould group includes the 6th light source, the 7th light
Source, the 8th light source and the second light-integrating subassembly；
6th light source is for emitting the 4th light；
7th light source is for emitting the 5th light；
8th light source is for emitting the 6th light；
Second light-integrating subassembly is used to the 4th light, the 5th light and the 6th light being mixed to get second face
Coloured light.
8. device according to claim 7, which is characterized in that second light-integrating subassembly includes the 4th light combination piece and the 5th
Light combination piece；
The 4th light combination piece is for transmiting the 4th light, reflection the 5th light, to obtain the 4th light and described the
The mixed light of five light；
The pentahapto mating plate is used to transmit the mixed light of the 4th light and the 5th light, reflection the 6th light, so that
4th light, the 5th light and the 6th light are mixed to get second color of light；The light-intensity test mould group includes
6th light-intensity test element, the 7th light-intensity test element and the 8th light-intensity test element；
The 6th light-intensity test element is used to detect the fraction transmitted in second color of light by the first light combination piece
The light intensity value of 4th light is converted to the 4th sub- voltage value and Real-time Feedback is to the light source control by the light intensity value of the 4th light
Mould group, so that the light source control mould group is when the corresponding reference voltage value of the 4th sub- voltage value is inconsistent, to institute
It states the 6th light source to be adjusted, the benchmark light intensity value for keeping the light intensity value of the 4th light corresponding is consistent；
The 7th light-intensity test element is used to detect the fraction transmitted in second color of light by the first light combination piece
The light intensity value of 5th light is converted to the 5th sub- voltage value and Real-time Feedback is to the light source control by the light intensity value of the 5th light
Mould group, so that the light source control mould group is when the corresponding reference voltage value of the 5th sub- voltage value is inconsistent, to institute
It states the 7th light source to be adjusted, the benchmark light intensity value for keeping the light intensity value of the 5th light corresponding is consistent；
The 8th light-intensity test element is used to detect the fraction transmitted in second color of light by the first light combination piece
The light intensity value of 6th light is converted to the 6th sub- voltage value and Real-time Feedback is to the light source control by the light intensity value of the 6th light
Mould group, so that the light source control mould group is when the corresponding reference voltage value of the 6th sub- voltage value is inconsistent, to institute
It states the 8th light source to be adjusted, the benchmark light intensity value for keeping the light intensity value of the 6th light corresponding is consistent.
9. the apparatus according to claim 1, which is characterized in that plane where the light-intensity test mould group and described first is closed
Angle where mating plate between plane is 45 °, and the detection faces of the light-intensity test mould group and the optical path of the light to be detected are hung down
Directly.
10. a kind of endoscopic system, which is characterized in that including light supply apparatus according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822229644.4U CN209570749U (en) | 2018-12-27 | 2018-12-27 | A kind of endoscopic system and its light supply apparatus |
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|---|---|---|---|
| CN201822229644.4U CN209570749U (en) | 2018-12-27 | 2018-12-27 | A kind of endoscopic system and its light supply apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507794A (en) * | 2018-12-27 | 2019-03-22 | 深圳开立生物医疗科技股份有限公司 | A kind of endoscopic system and its light supply apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507794A (en) * | 2018-12-27 | 2019-03-22 | 深圳开立生物医疗科技股份有限公司 | A kind of endoscopic system and its light supply apparatus |
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