CN203643318U - Optical probe - Google Patents
Optical probe Download PDFInfo
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- CN203643318U CN203643318U CN201320878857.4U CN201320878857U CN203643318U CN 203643318 U CN203643318 U CN 203643318U CN 201320878857 U CN201320878857 U CN 201320878857U CN 203643318 U CN203643318 U CN 203643318U
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- sleeve
- detection position
- optic probe
- detection
- positioning element
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Abstract
The utility model discloses an optical probe which comprises a first sleeve, a second sleeve and a positioning part, wherein a lens is contained in the first sleeve; the first sleeve is provided with a light through hole through which detection light is emitted; the second sleeve is sleeved with the first sleeve in a movable mode; the second sleeve is provided with a detection window, so that the detected light which passes through the first sleeve and is focused by the lens is emitted from the optical probe; the second sleeve can move from a first detection position to a second detection position or move from the second detection position to the first detection position relative to the first sleeve; and the positioning part is used for positioning the second sleeve at the first detection position or the second detection position relative to the first sleeve. According to the structure, switching of a distance from a focal point of an optical excitation and collection lens to the detection window can be realized through rapid moving and positioning of the first sleeve and the second sleeve, so that the detection efficiency and application range of the optical probe on objects to be detected are improved.
Description
Technical field
The utility model relates to optical detection field, relates in particular to a kind of optic probe.
Background technology
In optic test, for example, in the time carrying out the tests such as Raman, fluorescence, in order to make the intensity of test spectral stronger, signal to noise ratio (S/N ratio) is higher, often needs detection light to focus on, and near determinand is in lens focus position time, can obtain good detection efficiency; Equally, near determinand is in collecting lens focal position time, can make the collected spectrometer of the large to the greatest extent limit of signal.A lot of optical instruments utilize same lens to converge laser and collect test signal, test result are had to very large impact near at this moment determinand being controlled to lens focus.A lot of optical instruments are by regulating microscopic system that determinand is near lens focus, and typical example comprises micro-Raman spectroscopy, microspectrofluorimeter etc.But the adjusting of this microscopic system often more complicated is loaded down with trivial details, be only applicable to the research work in laboratory.And for field quick detection, the adjusting efficiency of microscopic system often can not meet the demands.
Optic probe is the vitals in optical detecting instrument, and it can be directed on checking matter and collect the light signal that comprises checking matter information detecting light.Existing optic probe does not possess focal position regulatory function conventionally, therefore the bad adaptability to checking matter, or adjust complicated, for example, in the time of the block solids of test, may expect light focal position from probe very close to, and when gas in test container, liquid or pulverulent solids, may expect that in light focal position, probe is far away.Existing optic probe is often only suitable for testing the checking matter of a type, or need to change special-purpose member according to the variation of checking matter type, otherwise spectra collection efficiency can be lower or the factor such as packing larger to the interference meeting of test spectral.
Therefore, need a kind of can quick adjustment detection window to the optic probe of the relative position of focus to meet the requirement of Site Detection.
Utility model content
The purpose of this utility model is to provide a kind of optic probe, its can adjust in time detection window to the relative position of focus to adapt to different detected objects, thereby in guaranteeing to detect at the scene, can obtain the signal of sufficient intensity and higher signal to noise ratio (S/N ratio).
In order to realize above-mentioned utility model object, the technical solution of the utility model realizes in the following manner:
The utility model provides a kind of optic probe, comprising:
The first sleeve accommodates lens in described the first sleeve, and the first sleeve has the light hole of injecting for detecting light;
The second sleeve, described the second sleeve and the first sleeve are movably socketed, wherein said the second sleeve is provided with detection window, for penetrating from optic probe through the first sleeve and through the detection light of lens focus, the second sleeve can move to the second detection position or move to the first detection position from the second detection position from the first detection position with respect to the first sleeve; With
Positioning element, described positioning element is for being positioned the second sleeve for the first detection position or the second detection position with respect to the first sleeve.
Further, in the first inspection positions, can being greater than in the second inspection positions towards the focus of detection window one side and the distance of detection window of lens.
Further, in the second inspection positions, the focus towards detection window one side of lens can be positioned at the outer face of outside and contiguous second sleeve of the second sleeve.
Particularly, described positioning element can have fixed part and telescopic section, and described fixed part is fixed on the first sleeve or the second sleeve.
Particularly, described the first sleeve and the second sleeve can engage coaxially.
Particularly, described the second sleeve can be provided with corresponding to the first pilot hole of the first detection position with corresponding to the second pilot hole of the second detection position, described positioning element has fixed part and telescopic section, described fixed part is fixed on the first sleeve, in the first inspection positions, the telescopic section of positioning element stretches into the first pilot hole so that the second sleeve is positioned, and in the second inspection positions, the telescopic section of positioning element stretches into the second pilot hole so that the second sleeve is positioned.
Again further, described the first sleeve and described the second sleeve can, to be threadedly engaged with, can rotate along curved-line thread path mutually, and the first pilot hole and the second pilot hole are positioned in same curved-line thread path.
Particularly, described the first sleeve can be provided with corresponding to the first annular positioning groove of the first detection position with corresponding to the second annular positioning groove of the second detection position, described positioning element has fixed part and telescopic section, described fixed part is fixed on the second sleeve, in the first inspection positions, the telescopic section of positioning element stretches into the first annular positioning groove so that the second sleeve is positioned, and in the second inspection positions, the telescopic section of positioning element stretches into the second annular positioning groove so that the second sleeve is positioned.
Again further, described the first sleeve and described the second sleeve can engage with polygon mating surface, and the first annular positioning groove and the second annular positioning groove are parallel to each other.
Particularly, the optical directory means that described optic probe can also comprise fiber coupling device or be made up of discrete optical element, for guiding to the first sleeve and receive the light returning from the first sleeve detecting light.
Any one in technique scheme of the present utility model can be by the first sleeve and the second sleeve move efficiently and locate to realize the switching of optic probe between different detection positions.This scheme can improve the accommodation of optic probe to determinand, especially can realize the quick Site Detection replacing for dissimilar determinand.
Accompanying drawing explanation
Fig. 1 is schematically illustrated according to the stereographic map of the optic probe of an embodiment of the present utility model, and wherein the second sleeve is in the first detection position;
The cut-open view of the schematically illustrated optic probe as shown in Figure 1 of Fig. 2;
Another stereographic map of the schematically illustrated optic probe as shown in Figure 1 of Fig. 3, wherein the second sleeve is in the second detection position;
The cut-open view of the schematically illustrated optic probe as shown in Figure 3 of Fig. 4;
Fig. 5 is schematically illustrated according to the cut-open view of the positioning element of an embodiment of the present utility model;
Fig. 6 is schematically illustrated according to the stereographic map of the optic probe of another embodiment of the present utility model, and wherein the second sleeve is in the first detection position;
The cut-open view of the schematically illustrated optic probe as shown in Figure 6 of Fig. 7;
Another stereographic map of the schematically illustrated optic probe as shown in Figure 6 of Fig. 8, wherein the second sleeve is in the second detection position; With
The cut-open view of the schematically illustrated optic probe as shown in Figure 8 of Fig. 9.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.In instructions, same or analogous drawing reference numeral represents same or analogous parts.Followingly with reference to accompanying drawing, the explanation of the utility model embodiment is intended to overall utility model design of the present utility model to make an explanation, and does not should be understood to a kind of restriction of the present utility model.
Fig. 1-4 are schematically illustrated according to the optic probe 100 of an embodiment of the present utility model.This optic probe 100 can comprise: the first sleeve 3, the second sleeve 1 and positioning element 2.In the first sleeve 3, accommodate lens 5.The first sleeve 3 has the light hole 31 of injecting for detecting light.The second sleeve 1 and the first sleeve 3 are movably socketed, the second sleeve 1 is provided with detection window 12, for penetrating from optic probe 100 through the first sleeve 3 the detection light that focuses on through lens 5, the second sleeve 1 can move to the second detection position or move to the first detection position from the second detection position from the first detection position with respect to the first sleeve 3.Positioning element 2 is for being positioned the second sleeve 1 for the first detection position or the second detection position with respect to the first sleeve 3.
By means of the second sleeve 1 for example, with respect to the movement of the first sleeve 3 (rotating or slippage), the switching of can stretching between the first detection position (as shown in Figure 1-2) and the second detection position (as shown in Figure 3-4) of the second sleeve 1.In the first detection position and the second inspection positions, for example, position relationship between the optical devices (lens 5) in the detection window 12 of the second sleeve 1 and the first sleeve 3 is different.For example, in the first inspection positions, the focus 51 towards detection window 12 1 sides of lens 5 is greater than the distance with detection window 12 in this focus 51 of the second inspection positions with the distance of detection window 12.
In actual Site Detection, for convenient to operation, can take to make lens 5 in the first sleeve 3 and detected object keep stable distance to obtain signal by detecting the check point that light stably focuses on detected object with the outer face 121 of the second sleeve 1 of the second sleeve 1 against detected object.If determinand is block solids, detection window 12 can directly be resisted against on solids and detect, and now expects that the position of the focus 51 of lens is positioned at the outer face 121 of second sleeve 1 outside and contiguous the second sleeve 1.And if determinand is housed in container, such as packed gas, liquid, pulverulent solids or gel etc., detection window 12 can be resisted against its container (for example vial or plastic bottle) outer wall so that detection light transmission chamber wall is focused on measured object, and the position of focus 51 of at this moment expecting lens is 121 a distance, outer face from the second sleeve 1 in the second sleeve 1 outside.Therefore, as example, the first detection position of the second sleeve 1 and the second detection position can be arranged to, in the first inspection positions, the focus 51 towards detection window 12 1 sides of lens 5 is positioned at the second sleeve 1 outside and for example, locates with a certain distance from the outer face 121 (1-5 centimetre) of the second sleeve 1, for detection of the measured object being installed in by container, and in the second inspection positions, the focus 51 towards detection window 12 1 sides of lens 5 is positioned at the outer face 121 of second sleeve 1 outside and contiguous the second sleeve 1, for detection of blocks of solid thing.
In an example, the first sleeve 3 and the second sleeve 1 can engage coaxially, the axis of for example axis of the first sleeve 3 and the second sleeve 1 and the optical axis coincidence of lens 5.This contributes to regulate and calibrate the position of the focus 51 of lens 5.As example, the flexible of the second sleeve 1 can carry out along the optical axis of lens 5.But, this all not necessarily, for example the axis of the second sleeve 1 can have a certain degree with the optical axis of lens 5, as long as can guarantee to detect light from the correct outgoing of detection window 12.
In an example, positioning element 2 can have fixed part 23 and telescopic section 20.Fixed part 23 can be fixed in the first sleeve 3 or the second sleeve 1.Fig. 5 has provided a kind of example of positioning element 2.Wherein telescopic section 20 comprises the decorative pearl on top of an official cap 21 and stage clip 22.Fixed part 23 can be for example obturating plug.Fixed part 23 comprises a blind hole, and stage clip 22 is positioned at blind hole bottom, and the decorative pearl on top of an official cap 21 is placed on stage clip 22.The diameter that the orifice diameter of blind hole is less than the decorative pearl on top of an official cap 21 departs from blind hole to prevent the decorative pearl on top of an official cap 21.In the time that the decorative pearl on top of an official cap 21 is subject to external compression, the decorative pearl on top of an official cap 21 is understood compression press springs 22 and is retracted in blind hole, and in the time that external pressure removes, the decorative pearl on top of an official cap 21 can be extruded to realize location by stage clip 22.The described decorative pearl on top of an official cap 21 can be made up of metal material, and such as steel etc., also can be made up of other material of enough hardness, such as plastics etc.Should be appreciated that the above-mentioned content of describing with reference to Fig. 5 is only a kind of example that has provided positioning element 2, in prior art, other can coordinate to realize the parts that sleeve is positioned with hole or groove and also can be used as positioning element 2.
In one embodiment, as Figure 1-4, the second sleeve 1 is provided with corresponding to the first pilot hole 111 of the first detection position with corresponding to the second pilot hole 112 of the second detection position, the fixed part 23 of positioning element 2 is fixed in the first sleeve 3, in the first inspection positions, the telescopic section 20 of positioning element 2 stretches into the first pilot hole 111 so that the second sleeve 1 is positioned, and in the second inspection positions, the telescopic section 20 of positioning element 2 stretches into the second pilot hole 112 so that the second sleeve 2 is positioned.As example, if adopt positioning element 2 as shown in Figure 5,, in the time that the second sleeve 1 moves to the first inspection positions with respect to the first sleeve 3, the decorative pearl on top of an official cap 21 meetings compressed 22 extrude to stretch into the first pilot hole 111, thereby make the second sleeve 1 stably remain on the first detection position; And in the time that the second sleeve 1 moves away the first detection position, the inwall of the second sleeve 1 retracts to the compressing decorative pearl on top of an official cap 21 in fixed part 23, and in the time moving to the second detection position, the decorative pearl on top of an official cap 21 again can compressed 22 extrudes to stretch into the second pilot hole 112, thereby makes the second sleeve 1 stably remain on the second detection position.
In an example, the first sleeve 3 and the second sleeve 1, to be threadedly engaged with, can rotate mutually along curved-line thread path.In such cases, the first pilot hole 111 and the second pilot hole 112 can be in same curved-line thread path so that the second sleeve 1 can by with respect to the first sleeve 3 along this curved-line thread path rotation and switch between the first detection position and the second detection position.
As example, optic probe 100 can also comprise fiber coupling device 4, for guiding to the first sleeve 3 and receive the light returning from the first sleeve 3 detecting light.But, the utility model is not limited to this, also can comprise the optical directory means such as, forming such as the optical element by discrete (lens, catoptron, prism etc.) according to optic probe 100 of the present utility model, this optical directory means also can be guided in the first sleeve 3 and receive the light returning from the first sleeve 3 detecting light by this discrete optical element.
Fig. 6-9 show the optic probe 100 ' according to another embodiment of the present utility model.The difference of embodiment shown in this embodiment and Fig. 1-4 is mainly connected mode and the location structure of the first sleeve 3 and the second sleeve 1.Particularly, as Figure 6-9, the first sleeve 3 is provided with corresponding to the first annular positioning groove 321 of the first detection position with corresponding to the second annular positioning groove 322 of the second detection position, the fixed part 23 of positioning element 2 is fixed on the second sleeve 1, in the first inspection positions, the telescopic section 20 of positioning element 2 stretches into the first annular positioning groove 321 so that the second sleeve 1 is positioned, and in the second inspection positions, the telescopic section 20 of positioning element 2 stretches into the second annular positioning groove 322 so that the second sleeve 1 is positioned.As example, if adopt positioning element 2 as shown in Figure 5,, in the time that the second sleeve 1 moves to the first inspection positions with respect to the first sleeve 3, the decorative pearl on top of an official cap 21 meetings compressed 22 extrude to stretch into the first annular positioning groove 321, thereby make the second sleeve 1 stably remain on the first detection position; And in the time that the second sleeve 1 moves away the first detection position, the wall of the first sleeve 2 retracts to the compressing decorative pearl on top of an official cap 21 in fixed part 23, and in the time moving to the second detection position, the decorative pearl on top of an official cap 21 again can compressed 22 extrudes to stretch into the second annular positioning groove 322, thereby makes the second sleeve 1 stably remain on the second detection position.
In embodiment as Figure 6-9, the first sleeve 3 and the second sleeve 1 engage with polygon mating surface, that is to say, the mating part of the mutual socket of the first sleeve 3 and the second sleeve 1 has polygonal cross-section, for example triangular-section, quadrangular section, pentagonal section or hexagonal cross-section etc.Due to this polygonal mating surface, between the first sleeve 3 and the second sleeve 1, cannot mutually rotate as aforementioned exemplary, and slippage vertically.Therefore, the second sleeve 1 is more simple and convenient with respect to the movement of the first sleeve 3.Can between the first detection position and the second detection position, switch by the axial slip with respect to the first sleeve 3 (such as use hand direct pull the second sleeve 1 by operator) by means of the sliding joint between the first sleeve 3 and the second sleeve 1 and above-mentioned positioning element 2, the second sleeves 1.In an example, the first annular positioning groove 321 and the second annular positioning groove 322 can be parallel to each other, this can make can carry out same location to the second sleeve 1 on arbitrary position of positioning element 2 on the circumference of the first sleeve 3, thereby has simplified assembling and calibration process.
Other specific implementation forms in embodiment are as Figure 6-9 identical with aforementioned embodiment as Figure 1-4, do not repeat them here.
In the above-described embodiments, the focal length of lens 5 can be fixed, because the change in location of the focus 51 of lens 5 does not rely on the variation of focal length in the utility model.Certainly, the focal length of lens 5 can be also variable.
At above-described embodiment, the second sleeve 1 can be for example between 0.5-10cm, preferably between 1-5cm with respect to the axially movable stroke of the first sleeve 3.
Those skilled in the art are to be understood that, although introduce as an example of two detection positions example in above-mentioned specific embodiment of the present utility model, more detection positions can also be set to meet the requirement for more measurement situation according to optic probe of the present utility model 100,100 '.The 3rd detection position, the 4th detection position, the 5th detection position etc. for example can be set between the first detection position and the second detection position.In this case, corresponding with it the 3rd pilot hole, the 4th pilot hole, the 5th pilot hole or the 3rd annular positioning groove, the 4th annular positioning groove, the 5th annular positioning groove etc. can be correspondingly set.
Can be applied in Raman optical detection, fluorescent optics detection and other various optical detection processes according to optic probe of the present utility model.
Although by reference to the accompanying drawings the utility model is illustrated, in accompanying drawing, disclosed embodiment is intended to the utility model preferred implementation to carry out exemplary illustration, and can not be interpreted as a kind of restriction of the present utility model.
Although some embodiment of the utility model general plotting are shown and explanation, those skilled in the art will appreciate that, in the case of not deviating from the principle and spirit of this overall utility model design, can make a change these embodiment, scope of the present utility model limits with claim and their equivalent.
Claims (10)
1. an optic probe, is characterized in that, comprising:
The first sleeve accommodates lens in described the first sleeve, and the first sleeve has the light hole of injecting for detecting light;
The second sleeve, described the second sleeve and the first sleeve are movably socketed, wherein said the second sleeve is provided with detection window, for penetrating from optic probe through the first sleeve and through the detection light of lens focus, the second sleeve can move to the second detection position or move to the first detection position from the second detection position from the first detection position with respect to the first sleeve; With
Positioning element, described positioning element is for being positioned the second sleeve for the first detection position or the second detection position with respect to the first sleeve.
2. optic probe according to claim 1, is characterized in that, in the first inspection positions, and being greater than in the second inspection positions towards the focus of detection window one side and the distance of detection window of lens.
3. optic probe according to claim 2, is characterized in that, in the second inspection positions, the focus towards detection window one side of lens is positioned at the outer face of outside and contiguous second sleeve of the second sleeve.
4. according to the optic probe described in any one in claim 1-3, it is characterized in that, described positioning element has fixed part and telescopic section, and described fixed part is fixed on the first sleeve or the second sleeve.
5. according to the optic probe described in any one in claim 1-3, it is characterized in that, described the first sleeve and the second sleeve engage coaxially.
6. according to the optic probe described in any one in claim 1-3, it is characterized in that, described the second sleeve is provided with corresponding to the first pilot hole of the first detection position with corresponding to the second pilot hole of the second detection position, described positioning element has fixed part and telescopic section, described fixed part is fixed on the first sleeve, in the first inspection positions, the telescopic section of positioning element stretches into the first pilot hole so that the second sleeve is positioned, and in the second inspection positions, the telescopic section of positioning element stretches into the second pilot hole so that the second sleeve is positioned.
7. optic probe according to claim 6, is characterized in that, described the first sleeve and described the second sleeve, to be threadedly engaged with, can rotate mutually along curved-line thread path, and the first pilot hole and the second pilot hole are positioned in same curved-line thread path.
8. according to the optic probe described in any one in claim 1-3, it is characterized in that, described the first sleeve is provided with corresponding to the first annular positioning groove of the first detection position with corresponding to the second annular positioning groove of the second detection position, described positioning element has fixed part and telescopic section, described fixed part is fixed on the second sleeve, in the first inspection positions, the telescopic section of positioning element stretches into the first annular positioning groove so that the second sleeve is positioned, and in the second inspection positions, the telescopic section of positioning element stretches into the second annular positioning groove so that the second sleeve is positioned.
9. optic probe according to claim 8, is characterized in that, described the first sleeve and described the second sleeve engage with polygon mating surface, and the first annular positioning groove and the second annular positioning groove are parallel to each other.
10. according to the optic probe described in any one in claim 1-3, it is characterized in that, the optical directory means that also comprises fiber coupling device or be made up of discrete optical element, for guiding to the first sleeve and receive the light returning from the first sleeve detecting light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878857.4U CN203643318U (en) | 2013-12-27 | 2013-12-27 | Optical probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320878857.4U CN203643318U (en) | 2013-12-27 | 2013-12-27 | Optical probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203643318U true CN203643318U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320878857.4U Expired - Fee Related CN203643318U (en) | 2013-12-27 | 2013-12-27 | Optical probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203643318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749103A (en) * | 2013-12-27 | 2015-07-01 | 同方威视技术股份有限公司 | Optical probe |
| CN108780033A (en) * | 2018-04-13 | 2018-11-09 | 深圳达闼科技控股有限公司 | A kind of device that method, detection device and the control of control probe are popped one's head in |
-
2013
- 2013-12-27 CN CN201320878857.4U patent/CN203643318U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749103A (en) * | 2013-12-27 | 2015-07-01 | 同方威视技术股份有限公司 | Optical probe |
| WO2015096774A1 (en) * | 2013-12-27 | 2015-07-02 | 同方威视技术股份有限公司 | Optical probe |
| CN108780033A (en) * | 2018-04-13 | 2018-11-09 | 深圳达闼科技控股有限公司 | A kind of device that method, detection device and the control of control probe are popped one's head in |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20201227 |