CN208892544U - The multispectral integration module of single channel output - Google Patents
The multispectral integration module of single channel output Download PDFInfo
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- CN208892544U CN208892544U CN201820753517.1U CN201820753517U CN208892544U CN 208892544 U CN208892544 U CN 208892544U CN 201820753517 U CN201820753517 U CN 201820753517U CN 208892544 U CN208892544 U CN 208892544U
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- 230000010354 integration Effects 0.000 title claims abstract description 15
- 230000005284 excitation Effects 0.000 claims abstract description 9
- 238000000701 chemical imaging Methods 0.000 claims abstract description 7
- 239000013307 optical fiber Substances 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000003161 choroid Anatomy 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses a kind of multispectral integration module of single channel output, for multispectral imaging equipment, the multispectral integration module of single channel output includes mounting plate, multiple LED light, dodging device and multiple guiding devices, the rear side of mounting plate is equipped with LED excitation apparatus, multiple LED light are set to the front side of mounting plate and are electrically connected with LED excitation apparatus, dodging device is set to the front of multiple LED light, multiple guiding devices are correspondingly connected with multiple LED light, and between dodging device and multiple LED light.In technical solution provided by the utility model, the point light source of LED light is converted into area source by setting dodging device, injects in optical path and realizes monochromatic uniform output, and, by guiding device by the light directing dodging device of LED light, the loss of the luminous energy of LED light can reduce in this way.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a multispectral collection moulding piece of single channel output.
Background
Multi-spectral imaging (MSI) was originally derived from the fields of remote sensing satellites, space exploration, military, etc. The multispectral fundus stratified imaging system RHA is the first application of MSI in the field of ophthalmology.
The multispectral fundus layered imaging system (RHA) utilizes different monochromatic LED light sources to project to different layers of the fundus (including deep retina and choroid), and obtains a series of fundus coronal plane (Enface) images through the absorption and reflection characteristics of different monochromatic light by different substances in the eye. At present, there is a method of using an integrated single excitation to directly introduce an LED light source into an optical system for convergence and collimation and then output, and for the conversion of different monochromatic LED light sources, the LED light source is usually installed on a turntable, and different light sources are emitted into a light path by controlling the rotation of the turntable, but the turntable structure of the LED light source has many disadvantages, for example: because this method needs the LED lamp carousel and mechanical transmission part, lead to the equipment to realize miniaturization difficultly to and mechanical transmission probably trouble scheduling problem.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a multispectral integrated module of single channel output aims at solving the carousel formula structure of the LED light source among the present multispectral eye ground layering imaging device and has the problem of a great deal of drawback.
In order to achieve the above object, the present invention provides a multispectral integrated module with single-channel output, which is used for multispectral imaging equipment, the multispectral integrated module with single-channel output comprises:
the rear side of the mounting plate is provided with an LED excitation device;
the LED lamps are arranged on the front side of the mounting plate, and the connecting ends of the LED lamps penetrate through the mounting plate and are electrically connected with the LED excitation device;
the light homogenizing device is arranged in front of the LED lamps and used for converting point light sources of the LED lamps into surface light sources; and the number of the first and second groups,
and the light guide devices are correspondingly connected with the LED lamps and are positioned between the light uniformizing device and the LED lamps, and the light guide devices are used for guiding the light of the correspondingly connected LED lamps to the light uniformizing device.
Preferably, the plurality of LED lamps are distributed in an array on the mounting plate; or,
the plurality of LED lamps are arranged on the mounting plate in a plurality of concentric circles.
Preferably, the light homogenizing device is a light homogenizing rod or a light homogenizing plate.
Preferably, the light guide device is a light guide tube or an optical fiber.
Preferably, the mounting plate is provided with a plurality of mounting platforms in a forward protruding manner, and the plurality of LED lamps are correspondingly arranged at the plurality of mounting platforms;
the light guide device is an optical fiber, and the optical fiber is connected with the corresponding LED lamp through a sleeve arranged in the front-back direction;
the inner cavity of the rear end of the sleeve is sleeved with the mounting table and the LED lamp, the inner cavity of the rear end of the sleeve is arranged in a step shape with a small front part and a large rear part to form an annular step surface arranged backwards, the mounting table is abutted against the annular step surface, and the peripheral surface of the mounting table is connected with the inner side wall of the rear end of the sleeve in a bonding mode through glue;
the inner cavity of the front end of the sleeve is in sleeve joint with the rear end of the optical fiber, and the inner side wall of the front end of the sleeve is connected with the optical fiber in a bonding mode through glue.
Preferably, a first annular groove is formed in the circumferential surface of the mounting table along the circumferential direction of the mounting table, a second annular groove is formed in the inner side wall of the rear end of the sleeve corresponding to the mounting table, and glue is filled in the first annular groove and the second annular groove; and/or the presence of a gas in the gas,
and a third annular groove is formed in the inner side wall of the front end of the sleeve corresponding to the optical fiber, and glue is filled in the third annular groove.
Preferably, the first annular groove and the second annular groove are staggered in the front-back direction.
Preferably, a ball lens is bonded in the sleeve, and the ball lens is located between the corresponding LED lamp and the optical fiber.
Preferably, the telescopic inside wall seted up with the annular mounting groove of spherical lens looks joint, annular mounting groove with fill between the spherical lens and be equipped with glue, in order to incite somebody to action spherical lens bonds fixedly.
The utility model provides an among the technical scheme, through setting up even light device will the pointolite of LED lamp converts the area source into, jets into in the light path and realizes the even output of monochromatic light, and, through the leaded light device will the light guide of LED lamp even light device can reduce like this the loss of the light energy of LED lamp.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a multi-spectral integration module with single-channel output according to the present invention;
fig. 2 is a schematic structural diagram of the LED lamp in fig. 1.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a multispectral integrated module of single channel output, the multispectral integrated module of single channel output is used for multispectral imaging device, and figure 1 and figure 2 are the utility model provides an embodiment of the multispectral integrated module of single channel output.
Referring to fig. 1, in this embodiment, the multispectral integrated module 100 outputting in a single channel includes a mounting board 1, a plurality of LED lamps 2, a light uniformizing device 3 and a plurality of light guide devices 4, an LED excitation device 21 is disposed on a rear side of the mounting board 1, the plurality of LED lamps 2 are disposed on a front side of the mounting board 1, connection ends of the plurality of LED lamps 2 penetrate through the mounting board 1 and are electrically connected to the LED excitation device 21, the light uniformizing device 3 is disposed in front of the plurality of LED lamps 2, the light uniformizing device 3 is configured to convert a point light source of the LED lamps 2 into a surface light source, the plurality of light guide devices 4 are correspondingly connected to the plurality of LED lamps 2 and are located between the light uniformizing device 3 and the plurality of LED lamps 2, and the light guide devices 4 are configured to guide light of the LED lamps 2 correspondingly connected to the light uniformizing device 3.
The utility model provides an among the technical scheme, through setting up even light device 3 (even light device 3 can be even optical wand or even worn-out fur etc.) will the pointolite of LED lamp 2 converts the area source into, jets into in the light path and realizes the even output of monochromatic light (please refer to fig. 1, in this embodiment, the place ahead of even light device 3 is equipped with spotlight and collimating device 9) to replaced the carousel formula structure, and, through leaded light device 4 (leaded light device 4 can be for light pipe or optic fibre 41 etc. specifically, in this embodiment, leaded light device 4 is optic fibre 41) comes with the light guide of LED lamp 2 to even light device 3 can reduce like this the loss of the light energy of LED lamp 2.
In order to reduce the volume of the multispectral integration module 100 of the single-channel output, the plurality of LED lamps 2 are distributed in an array on the mounting board 1; or the plurality of LED lamps 2 are arranged on the mounting plate 1 in a plurality of concentric circles, so that the plurality of LED lamps 2 (specifically, in this embodiment, the number of the LED lamps 2 is set to 6 to 9) are arranged in order, which is beneficial to reducing the volume of the product and reducing the mutual interference between the lights emitted by the plurality of LED lamps 2.
The loss of the light energy of the LED lamp 2 is reduced by the light guide device 4, there are various mounting manners between the light guide device 4 and the LED lamp 2, but a mounting bracket of the light guide device 4 is disposed at the front side of the mounting plate 1 to dispose the light guide device 4 adjacent to the LED lamp 2, and please refer to fig. 2, in this embodiment, the mounting plate 1 is provided with a plurality of mounting platforms 11 protruding forward, the LED lamps 2 are correspondingly disposed at the mounting platforms 11, the light guide device 4 is an optical fiber 41, the optical fiber 41 is connected to the corresponding LED lamp 2 through a sleeve 5 disposed in the front-back direction, an inner cavity at the rear end of the sleeve 5 is sleeved with the mounting platforms 11 and the LED lamps 2, and an inner cavity at the rear end of the sleeve 5 is disposed in a step shape with a small front and a large rear to form an annular step surface disposed rearward, the mounting platforms 11 are abutted to the annular step surface, global of mount table 11 with the inside wall of sleeve 5 rear end passes through glue 6 and bonds and link to each other, the inner chamber of sleeve 5 front end with the rear end of optic fibre 41 cup joints, just the inside wall of sleeve 5 front end with optic fibre 41 passes through glue 6 and bonds and link to each other, like this optic fibre 41's mounting structure is comparatively simple, and the mounting means is also comparatively easy, the energy loss of LED lamp 2 is also less.
In order to make the sleeve 5 and the mounting table 11 not easy to loosen, please refer to fig. 2, in this embodiment, a first annular groove 7a is formed in the circumferential surface of the mounting table 11 along the circumferential direction thereof, a second annular groove 7b is formed in a position, corresponding to the mounting table 11, of the inner side wall of the rear end of the sleeve 5, and glue 6 is filled in the first annular groove 7a and the second annular groove 7b, so that the interference amount between the first annular groove 7a and the second annular groove 7b is increased by setting the annular grooves (in this embodiment, a plurality of first annular grooves 7a and a plurality of second annular grooves 7b are provided), and the sleeve 5 and the mounting table 11 are not easy to loosen. However, a third annular groove 7c may be formed in a position, corresponding to the optical fiber 41, on an inner side wall of the front end of the sleeve 5, and the third annular groove 7c is filled with glue 6, so as to avoid the situation that the optical fiber 41 is easily loosened.
Further, in this embodiment, the first annular groove 7a and the second annular groove 7b are staggered in the front and back direction, so that the sleeve 5 and the mounting table 11 are not easy to loosen.
In order to further reduce the light energy loss of the LED lamp 2, please refer to fig. 2, in this embodiment, a ball lens 8 is adhered in the sleeve 5, and the ball lens 8 is located between the corresponding LED lamp 2 and the optical fiber 41, and by arranging the ball lens 8, the light emitted by the LED lamp 2 is collected and guided to the optical fiber 41, which is beneficial to reducing the light energy loss of the LED lamp 2.
Further, in this embodiment, the inner side wall of the sleeve 5 is provided with an annular mounting groove 51 clamped with the ball lens 8, the annular mounting groove 51 is filled with glue 6 between the ball lens 8, so as to bond and fix the ball lens 8, the installation and positioning of the ball lens 8 can be realized through the arrangement of the annular mounting groove 51, and the ball lens 8 is installed more firmly. Similarly, a fourth annular groove 7d may be formed in the inner wall of the annular mounting groove 51 to reinforce the ball lens 8.
The above is only the preferred embodiment of the present invention, and not to limit the scope of the patent, and all the equivalent structures or equivalent processes using the contents of the specification and drawings of the present invention can be directly or indirectly applied to other related technical fields, and are all included in the scope of the present invention.
Claims (9)
1. A single-channel output multispectral integration module for use in a multispectral imaging device, the single-channel output multispectral integration module comprising:
the rear side of the mounting plate is provided with an LED excitation device;
the LED lamps are arranged on the front side of the mounting plate, and the connecting ends of the LED lamps penetrate through the mounting plate and are electrically connected with the LED excitation device;
the light homogenizing device is arranged in front of the LED lamps and used for converting point light sources of the LED lamps into surface light sources; and the number of the first and second groups,
and the light guide devices are correspondingly connected with the LED lamps and are positioned between the light uniformizing device and the LED lamps, and the light guide devices are used for guiding the light of the correspondingly connected LED lamps to the light uniformizing device.
2. The single-channel-output multispectral integration module of claim 1, wherein the plurality of LED lights are distributed in an array on the mounting board; or,
the plurality of LED lamps are arranged on the mounting plate in a plurality of concentric circles.
3. The single-channel output multispectral integration module of claim 1, wherein the dodging device is a dodging rod or a dodging plate.
4. The single-channel output multispectral integration module of claim 1, wherein the light guide device is a light guide tube or an optical fiber.
5. The single-channel output multispectral integration module of claim 1, wherein the mounting plate is provided with a plurality of mounting platforms protruding forwards, and the plurality of LED lamps are correspondingly arranged at the plurality of mounting platforms;
the light guide device is an optical fiber, and the optical fiber is connected with the corresponding LED lamp through a sleeve arranged in the front-back direction;
the inner cavity of the rear end of the sleeve is sleeved with the mounting table and the LED lamp, the inner cavity of the rear end of the sleeve is arranged in a step shape with a small front part and a large rear part to form an annular step surface arranged backwards, the mounting table is abutted against the annular step surface, and the peripheral surface of the mounting table is connected with the inner side wall of the rear end of the sleeve in a bonding mode through glue;
the inner cavity of the front end of the sleeve is in sleeve joint with the rear end of the optical fiber, and the inner side wall of the front end of the sleeve is connected with the optical fiber in a bonding mode through glue.
6. The single-channel output multispectral integration module as claimed in claim 5, wherein the peripheral surface of the mounting platform has a first annular groove formed along the circumferential direction thereof, the inner sidewall of the rear end of the sleeve has a second annular groove formed corresponding to the mounting platform, and the first annular groove and the second annular groove are filled with glue; and/or the presence of a gas in the gas,
and a third annular groove is formed in the inner side wall of the front end of the sleeve corresponding to the optical fiber, and glue is filled in the third annular groove.
7. The single-channel output multispectral integration module of claim 6, wherein the first annular groove and the second annular groove are staggered in a front-to-back direction.
8. The single-channel output multispectral integration module of claim 5, wherein a ball lens is bonded within the sleeve and is positioned between the corresponding LED lamp and the optical fiber.
9. The single-channel output multispectral integration module as claimed in claim 8, wherein an annular mounting groove is formed on an inner sidewall of the sleeve, the annular mounting groove being engaged with the spherical lens, and glue is filled between the annular mounting groove and the spherical lens to bond and fix the spherical lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753517.1U CN208892544U (en) | 2018-05-18 | 2018-05-18 | The multispectral integration module of single channel output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753517.1U CN208892544U (en) | 2018-05-18 | 2018-05-18 | The multispectral integration module of single channel output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208892544U true CN208892544U (en) | 2019-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820753517.1U Active CN208892544U (en) | 2018-05-18 | 2018-05-18 | The multispectral integration module of single channel output |
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| Country | Link |
|---|---|
| CN (1) | CN208892544U (en) |
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2018
- 2018-05-18 CN CN201820753517.1U patent/CN208892544U/en active Active
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