CN202908679U - Close range imaging device - Google Patents
Close range imaging device Download PDFInfo
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- CN202908679U CN202908679U CN201220561978.1U CN201220561978U CN202908679U CN 202908679 U CN202908679 U CN 202908679U CN 201220561978 U CN201220561978 U CN 201220561978U CN 202908679 U CN202908679 U CN 202908679U
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- imaging device
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Abstract
The utility model discloses a close range imaging device capable of working at various wavelengths, wherein the close range imaging device comprises an outer shell and an imaging unit. At least one illuminating unit and a signal receiving unit are arranged in the outer shell. The illuminating unit comprises a light-emitting body and an illuminating lens. The light-emitting body is arranged opposite to the illuminating lens. The signal receiving unit comprises a sensor and a signal receiving lens, the sensor is arranged opposite to the signal receiving lens, the sensor is connected with the imaging unit, and the imaging unit is used for outputting image information of a detected object. The close range imaging device further comprises a relay lens. The illuminating lens and the signal receiving lens are arranged on one same side of the relay lens, the other side of the relay lens faces toward the exterior of the outer shell, and the relay lens is used for transmitting illuminating light emitted by the illuminating unit to the detected object and transmitting signal light reflected by the detected object to the signal receiving unit.
Description
Technical field
This utility model relates to a kind of closely imaging device, this closely imaging device be applied to medical field.
Background technology
Micro-medical imaging is with a long history, is to detect, observe, measure human organ to organize indispensable instrument.These image-forming informations are of value to medical diagnosis and treatment.Conventional microscope needs sampling, and is fixing, dehydration, and the processes such as section are come the long time treatment sample.Therefore, Real Time Observation biological tissue and cellularity have a great attraction to medical circle.In recent years, Optical coherence tomography (OCT) utilizes coherent light, and for example laser and Michelson's interferometer equip transdermal.The image that obtains by this method is the depth plane.Another kind method, Laser Scanning Confocal Microscope utilizes identical light path, the optical signal that sends in illumination and the reception biological tissue, final imaging is transverse plane image in the biological tissue.Therefore a point-like light specific target sample that is used for throwing light on can eliminate conventional microscope strain light and other side effect.Device as OCT and Laser Scanning Confocal Microscope is usually relatively heavy, and limits single wavelength such as laser as light source.
But optical signal sends and receives all is by beam splitter, and this structure is not suitable for use in the microstructure of medical treatment or other application usually, because beam splitter needs the right angle to consist of usually, it is larger to cause taking up room.Wherein beam splitter so that the light signal that reflects can only shine towards the sample direction, arrive optical sensor from the penetrable beam splitter of the optical signal of sample, but beam splitter is normally effective for specific wavelength, and the result is that this device is only to work in single or a few wavelength situation.
The utility model content
This utility model purpose is to provide a kind of closely imaging device that can work under the multi-wavelength.
Closely imaging device described in the utility model, comprise shell and image-generating unit, be provided with at least one illumination unit and a signal receiving unit in the shell, illumination unit comprises luminous body and irradiation lens, luminous body is oppositely arranged with the irradiation lens, signal receiving unit comprises sensor and signal receiver lens, sensor and signal receiver lens are oppositely arranged, sensor is connected with image-generating unit, image-generating unit is used for the image information of output detections thing, described closely imaging device also comprises relay lens, irradiation lens and signal receiver lens place the same side of relay lens, the relay lens opposite side is outside shell, and relay lens is used for the irradiation light that illumination unit sends is delivered to the detection thing, and will detect the flashlight that thing reflects and deliver to signal receiving unit.
As shown in Figure 1, in the prior art, need to adopt beam splitter to realize the correct transmission of optical signal, but beam splitter is only effective for the optical signal of specific wavelength, thereby causes existing imaging device in single or a few wavelength situation, to work; In addition, adopt beam splitter usually to need illumination unit and signal receiving unit at right angles to arrange, cause taking up room of equipment larger, be not suitable for for armarium or other micromodule equipments.
This utility model adopts relay lens instead of optical beam separator, still realized the correct transmission of optical signal, and relay lens is effective to multi-wavelength's optical signal, so that this utility model can be applicable to multiple working condition; In addition, behind the employing relay lens, illumination unit and signal receiving unit need not rectangular layout, so that the structure of equipment can be less, compacter, more can be applicable to armarium or other micromodule equipments.
Preferably, described irradiation lens and signal receiver lens are arranged side by side,
Described irradiation lens one side is relative with luminous body, and opposite side is relative with relay lens;
Described signal receiver lens one side is relative with sensor, and opposite side is relative with relay lens.
Preferably, described a plurality of irradiation lens arrangement are a shadow surface, and a plurality of signal receiver lenss are arranged as a signal receiving plane, and shadow surface, signal receiving plane are arranged with the detection faces conjugation that detects thing.
Preferably, described irradiation lens and signal receiver lens center on the same side of relay lens to be arranged,
Described irradiation lens one side is relative with luminous body, and opposite side is relative with relay lens;
Described signal receiver lens one side is relative with sensor, and opposite side is relative with relay lens.
Preferably, described luminous body is the adjustable luminous body of irradiation optical wavelength.
Because the irradiation optical wavelength that luminous body sends is adjustable, so that closely imaging device can be regulated the irradiation light wavelength according to detecting thing, to obtain to detect more accurately the image information of thing.
Preferably, described luminous body comprises LCD and backlight, and LCD one side is relative with the irradiation lens, and opposite side is relative with backlight.
Preferably, described backlight is LED.
Preferably, described luminous body is monochromatic LED, multi-colored led, ultrared ray generator, ultraviolet light generator or laser generator.
Preferably, described relay lens surface is provided with anti-reflective film.
Because optical signal is through producing reflection behind the relay lens, thereby affect the closely accuracy of imaging device acquisition testing object image information, so on the relay lens surface anti-reflective film is set, reduce the direct reflection of optical signal, thereby improved the closely accuracy of imaging device acquisition testing object image information.
Preferably, described relay lens is sphere-like or ellipsoid shaped.
Preferably, described shell is waterproof construction.
Because closely the shell of imaging device adopts waterproof construction, so that closely imaging device can scan detection to the detection thing in the liquid.
Preferably, described image-generating unit comprises display, and image-generating unit is by the image of display output detections thing.
Description of drawings
Fig. 1 is the structural representation of prior art;
Fig. 2 is the structural representation of this utility model the first embodiment;
Fig. 3 is the structural representation of this utility model the second embodiment.
The specific embodiment
The first embodiment of the present utility model as shown in Figure 2, comprise shell and image-generating unit, shell is set to waterproof construction, be provided with signal receiver lens 30 in the shell, irradiation lens 20, relay lens 10, sensor 31, LCD21 and LED22, wherein the signal receiver lens 30, irradiation lens 20 and relay lens 10 conjugation are arranged, signal receiver lens 30 and irradiation lens 20 are arranged side by side, signal receiver lens 30 and irradiation lens 20 place the same side of relay lens 10, signal receiver lens 30 is parallel relative with the back side of relay lens 10 with the front of irradiation lens 20, the back side of signal receiver lens 30 is parallel relative with sensor 31, the back side of irradiation lens 20 is positive parallel relative with LCD21's, the back side of LCD is positive parallel relative with LED's, the front of relay lens 10 is outside shell, and relay lens 10 is sphere-like, and the surface of relay lens 10 also is coated with anti-reflective film 11; Described image-generating unit is connected with sensor 31, and wherein, image-generating unit includes display.
Using method of the present utility model is as follows, at first LED22 sends illumination light, illumination light is delivered to LCD21 and is then produced irradiation light, irradiation light passes irradiation lens 20 and delivers to relay lens 10, then shining light passes relay lens 10 again and delivers to the detection thing, irradiation light after testing thing reflection becomes flashlight, flashlight passes relay lens 10 and delivers to signal receiver lens 30, then flashlight passes signal receiver lens 30 again and delivers to sensor 31, sensor 31 will receive flashlight and transfer image information to, and image information delivered to image-generating unit, reduced the direct reflection of irradiation light and flashlight in the whole process by the anti-reflective film 11 on the relay lens 10, to improve the closely accuracy of imaging device images acquired information; Repeat above-mentioned steps, according to priority each test point that detects thing is carried out image information collecting, until will detect the image information collecting of all test points of thing complete till, this moment, image-generating unit carried out analyzing and processing to the image information of all receptions, and show to detect the image of thing by display.
In order further to improve the closely accuracy of imaging device images acquired information, should send the irradiation light wavelength and detect optocoupler coefficient between the thing and select the immersion liquid that is complementary according to imaging device closely, and with immersion liquid submergence detection thing, repeat again the image information that above-mentioned steps just can obtain to detect thing exactly; Again because the duty of control LCD can be regulated the irradiation light wavelength, so that closely imaging device can be regulated the irradiation light wavelength according to detecting thing, detect the image information of thing (when equipment need not to arrange the adjustable function of irradiation light with more accurately acquisition, also can select LCD21, monochromatic LED, multi-colored led, ultrared ray generator, ultraviolet light generator or laser generator etc. to replace, directly to send irradiation light).
The second embodiment of the present utility model as shown in Figure 3, its structure and using method and the first embodiment of the present utility model are basic identical, its difference is: signal receiver lens 30 is not to be arranged side by side with irradiation lens 20, both arrange around the back side of relay lens 10, so that signal receiver lens 30 is splayed with the arrangement that shines lens 20.
Wherein, above for the definition at the positive back side of signal receiver lens 30, irradiation lens 20 and relay lens 10, only in order more clearly technical scheme to be made an explanation, technical scheme not to be consisted of and limit; In addition, a plurality of signal receiving units (signal receiving unit is made of sensor 31 and signal receiver lens 30) and illumination unit (illumination unit is made of LCD21, LED22 and irradiation lens 20) can also be set according to actual needs.
The improved protection domain that also is considered as patent on the basis of above embodiment.
Claims (12)
1. imaging device closely, comprise shell and image-generating unit, be provided with at least one illumination unit and a signal receiving unit in the shell, illumination unit comprises luminous body and irradiation lens, luminous body is oppositely arranged with the irradiation lens, signal receiving unit comprises sensor and signal receiver lens, sensor and signal receiver lens are oppositely arranged, sensor is connected with image-generating unit, image-generating unit is used for the image information of output detections thing, it is characterized in that: described closely imaging device also comprises relay lens, irradiation lens and signal receiver lens place the same side of relay lens, the relay lens opposite side is outside shell, and relay lens is used for the irradiation light that illumination unit sends is delivered to the detection thing, and will detect the flashlight that thing reflects and deliver to signal receiving unit.
2. closely imaging device according to claim 1, it is characterized in that: described irradiation lens and signal receiver lens are arranged side by side,
Described irradiation lens one side is relative with luminous body, and opposite side is relative with relay lens;
Described signal receiver lens one side is relative with sensor, and opposite side is relative with relay lens.
3. closely imaging device according to claim 2, it is characterized in that: described a plurality of irradiation lens arrangement are a shadow surface, and a plurality of signal receiver lenss are arranged as a signal receiving plane, shadow surface, signal receiving plane are arranged with the detection faces conjugation that detects thing.
4. closely imaging device according to claim 1 is characterized in that: described irradiation lens and signal receiver lens arrange around the same side of relay lens,
Described irradiation lens one side is relative with luminous body, and opposite side is relative with relay lens;
Described signal receiver lens one side is relative with sensor, and opposite side is relative with relay lens.
5. closely imaging device according to claim 1 is characterized in that: described luminous body is the adjustable luminous body of irradiation optical wavelength.
6. closely imaging device according to claim 5, it is characterized in that: described luminous body comprises LCD and backlight, and LCD one side is relative with the irradiation lens, and opposite side is relative with backlight.
7. closely imaging device according to claim 6, it is characterized in that: described backlight is LED.
8. closely imaging device according to claim 1 is characterized in that: described luminous body is monochromatic LED, multi-colored led, ultrared ray generator, ultraviolet light generator or laser generator.
9. closely imaging device according to claim 1, it is characterized in that: described relay lens surface is provided with anti-reflective film.
10. closely imaging device according to claim 1, it is characterized in that: described relay lens is sphere-like or ellipsoid shaped.
11. closely imaging device according to claim 1 is characterized in that: described shell is waterproof construction.
12. closely imaging device according to claim 1 is characterized in that: described image-generating unit comprises display, image-generating unit is by the image of display output detections thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220561978.1U CN202908679U (en) | 2012-10-29 | 2012-10-29 | Close range imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220561978.1U CN202908679U (en) | 2012-10-29 | 2012-10-29 | Close range imaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202908679U true CN202908679U (en) | 2013-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220561978.1U Expired - Fee Related CN202908679U (en) | 2012-10-29 | 2012-10-29 | Close range imaging device |
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| CN (1) | CN202908679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920437A (en) * | 2012-10-29 | 2013-02-13 | 广州市盛光微电子有限公司 | Close-distance imaging device and using method thereof |
-
2012
- 2012-10-29 CN CN201220561978.1U patent/CN202908679U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102920437A (en) * | 2012-10-29 | 2013-02-13 | 广州市盛光微电子有限公司 | Close-distance imaging device and using method thereof |
| CN102920437B (en) * | 2012-10-29 | 2015-03-11 | 广州市盛光微电子有限公司 | Close-distance imaging device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20211029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |