CN205280565U - Controllable pulse light output device of frequency - Google Patents
Controllable pulse light output device of frequency Download PDFInfo
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- CN205280565U CN205280565U CN201520928934.1U CN201520928934U CN205280565U CN 205280565 U CN205280565 U CN 205280565U CN 201520928934 U CN201520928934 U CN 201520928934U CN 205280565 U CN205280565 U CN 205280565U
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- rotating disk
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Abstract
The utility model relates to a controllable pulse light yield controlling means of frequency, including step motor, logical light carousel, light -emitting diaphragm dish, logical light counting dish and cell type opto -coupler, logical light carousel and logical light counting dish are installed in the lower extreme and the upper end of step motor pivot respectively and are followed step motor pivot synchronous revolution, leading to and evenly being equipped with a plurality of light trap on the light carousel, the centre bit of all light traps leads to the light transmission groove who evenly offers the same quantity on the edge of light counting dish on the circumference of light carousel center certain distance is led to to the distance, light -emitting diaphragm dish is fixed to be used for sheltering from on step motor's lower terminal surface and is led to the light carousel, is equipped with a diaphragm export on the light -emitting diaphragm dish, and the shape of diaphragm export is the same with the shape of light trap, and both are the same apart from the distance of step motor pivot, the cell type opto -coupler lies in step motor's up end, and the edge that leads to the light counting dish deepens between the upper and lower photosurface of cell type opto -coupler. The utility model discloses can modulate continuous light source for the pulse light yield of user's needs.
Description
Technical field
The utility model relates to volume scattering function section plotter radiation calibration technical field, more specifically, it relates to a kind of frequency controllable pulse light output control device required when utilizing continuous light source to be calibrated by frequency modulation radiation probe.
Background technology
At present, water body volume scattering function measurement technology is comparatively deficient, this is mainly comparatively difficult owing to volume scattering function measurement, the particular orientation of water body scattering, different directions scattered light signal dynamicrange is relatively big, and the measurement of some angle faint light scattered signal is especially easily subject to the interference of external stray light. Practical study finds, can effectively avoid bias light to the interference of scattered light signal by the way of modulation of source, receiving end demodulation, therefore, how when at only continuous light source, scattered light radiation probe is carried out light radiation scaling is the gordian technique difficult problem must considered in volume scattering function measurement instrument triturating.
Summary of the invention
Given this, the utility model aims to provide a kind of frequency controllable pulse light output control device, and its structure is simple, and continuous light source can be modulated to the pulse light output that user needs.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of frequency controllable pulse light output control device is provided, comprises stepper-motor, logical light rotating disk, bright dipping apertured plate, logical light counting dish and slot optical coupling; Described logical light rotating disk and logical light counting dish be arranged on the lower end of the rotating shaft of stepper-motor and upper end respectively and with the rotating shaft synchronous rotary of stepper-motor; Logical light rotating disk is evenly provided with some light holes, and the distance that is centrally located at of all light holes leads to light center of turntable certain distance circumferentially, and the edge of logical light counting dish is evenly offered the light tank of equal amts; Described bright dipping apertured plate is fixed on the lower surface of stepper-motor for blocking logical light rotating disk, and bright dipping apertured plate is provided with a diaphragm outlet, and the shape of diaphragm outlet is identical with the shape of light hole, and the distance of the rotating shaft of both distance stepper-motors is identical; Described slot optical coupling is positioned on the upper surface of stepper-motor, and the edge of logical light counting dish gos deep between the upper and lower photosensitive surface of slot optical coupling.
In such scheme, when continuous light source being placed in before this frequency controllable pulse light output control device, logical light rotating disk and logical light counting dish is driven to rotate by the rotation of stepper-motor, when the light hole being positioned on logical light rotating disk is crossing with the diaphragm outlet on bright dipping apertured plate, slot optical coupling will receive logical optical signal, and meanwhile, the light beam that continuous light source sends is exported by diaphragm outlet, by controlling the rotating speed of stepper-motor, the pulse light that frequency is controlled can be obtained. The utility model structure is simple, and continuous light source can be modulated to the pulse light output that user needs.
Preferably, described logical light rotating disk, bright dipping apertured plate, logical light counting dish, diaphragm outlet and light hole are circle.
Preferably, in order to avoid the statistics mistake because of the photosensitive logical light counting dish rotation number of turns less than causing, when light tank is placed between the upper and lower photosensitive surface of slot optical coupling, slot optical coupling is completely photosensitive.
Preferably, in order to conveniently fix slot optical coupling, this frequency controllable pulse light output control device also comprises the optocoupler retaining plate being fixedly mounted on described stepper-motor upper surface, is fixed on by slot optical coupling on optocoupler retaining plate.
Preferably, the edge of described bright dipping apertured plate is provided with the shading platform of certain altitude. Arrange like this and stray light can be avoided the interference of emergent light, in case affecting radiation calibration result.
Preferably, distance between described logical light rotating disk and described bright dipping apertured plate is less than the height of described shading platform. Arrange like this and stray light can be avoided further to the interference of faint emergent light, contribute to obtaining radiation calibration result more accurately.
Preferably, the radius of described bright dipping apertured plate is greater than the radius of described logical light rotating disk. Arrange like this and can further avoid stray light to the interference of emergent light, contribute to improving the accuracy of radiation calibration result.
Preferably, the height of diaphragm outlet is higher than the height of bright dipping apertured plate. Contribute to obtaining more concentrated light beam like this, it is to increase the accuracy of radiation calibration result.
Preferably, in order to make the upper and lower photosensitive surface of slot optical coupling photosensitive better, the edge of logical light counting dish is placed in the mid-way of the upper and lower photosensitive surface of slot optical coupling.
Preferably, rotate number of turns statistics to avoid logical light counting dish and have error, being arranged to by the locality of described light hole with described light tank consistent, namely when light hole overlaps completely with diaphragm outlet, light tank is placed in the center of the upper and lower photosensitive surface of slot optical coupling.
Compared with prior art, the beneficial effects of the utility model are:
A kind of frequency controllable pulse light output control device of the utility model, logical light rotating disk and logical light counting dish is driven to rotate by the rotation of stepper-motor, when the light hole being positioned on logical light rotating disk is crossing with the diaphragm outlet on bright dipping apertured plate, slot optical coupling will receive logical optical signal, meanwhile, the light beam that continuous light source sends is exported by diaphragm outlet, by controlling the rotating speed of stepper-motor, can obtain the pulse light that frequency is controlled; By arranging the shading platform of certain altitude on the edge of bright dipping apertured plate, it is possible to avoid stray light to the interference of emergent light, in case affecting radiation calibration result; By the distance between logical light rotating disk and bright dipping apertured plate is arranged to be less than the height of shading platform, it is possible to avoid stray light to the interference of emergent light further, contribute to obtaining radiation calibration result more accurately; By the height that diaphragm exports is arranged to the height higher than bright dipping apertured plate, contribute to obtaining more concentrated light beam, it is to increase the accuracy of radiation calibration result.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of logical light rotating disk and light hole in the utility model embodiment.
Fig. 3 is the structural representation of bright dipping apertured plate and diaphragm outlet in the utility model embodiment.
Fig. 4 is the structural representation of logical light counting dish and light tank in the utility model embodiment.
Fig. 5 is that the utility model embodiment light hole exports light energy output distribution plan in crossing process with diaphragm.
Fig. 6 is the pulse light output frequency diagram obtained in the utility model embodiment.
Fig. 7 is the schematic diagram based on pulse light-receiving radiation probe of the present utility model calibration.
Embodiment
Below in conjunction with embodiment, the utility model is further described. Wherein, accompanying drawing only for exemplary illustration, expression be only schematic diagram, but not pictorial diagram, can not be interpreted as the restriction to this patent; In order to embodiment of the present utility model is described better, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; For a person skilled in the art, some known features and illustrate and may omit and be appreciated that in accompanying drawing.
The parts that label same or similar in the accompanying drawing of the utility model embodiment is corresponding same or similar, in description of the present utility model, it will be appreciated that, if have term " on ", D score, " left side ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " right side " or position are closed, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore the term describing position relation in accompanying drawing is only for exemplary illustration, the restriction to this patent can not be interpreted as, for the ordinary skill in the art, the concrete implication of above-mentioned term can be understood according to particular case.
Embodiment
The structural representation of the present embodiment a kind of frequency controllable pulse light output control device as shown in Figures 1 to 4, comprises stepper-motor 1, circular logical light rotating disk 2, circular bright dipping apertured plate 3, circular logical light counting dish 4, optocoupler retaining plate 6 and slot optical coupling 5; Logical light rotating disk 2 and logical light counting dish 4 be arranged on the lower end of the rotating shaft of stepper-motor 1 and upper end respectively and with the rotating shaft synchronous rotary of stepper-motor 1; Logical light rotating disk 2 is evenly provided with some circular light holes 21, and distance logical light rotating disk 2 center that the is centrally located at certain distance of all light holes 21 is circumferentially, and the edge of logical light counting dish 4 is evenly offered the light tank 41 of equal amts; Bright dipping apertured plate 3 is fixed on the lower surface of stepper-motor 1 for blocking logical light rotating disk 2, and bright dipping apertured plate 3 is provided with a diaphragm outlet 8, and the shape of diaphragm outlet 8 is identical with the shape of light hole 21, and the distance of the rotating shaft of both distance stepper-motors 1 is identical; Optocoupler retaining plate 6 is fixedly mounted on the upper surface of stepper-motor 1, and slot optical coupling 5 is fixed on optocoupler retaining plate 6, and the edge of logical light counting dish 4 gos deep between the upper and lower photosensitive surface of slot optical coupling 5.
Carry out radiation probe 9 when calibrating, this pulse light output control device 16 is fixed on optical bench 12, continuous light source 17 is fixed on optical bench 11, radiation probe 9 is fixed on optical bench 13, the height of three optical benchs is adjustable, and continuous light source 17 and radiation probe 9 lay respectively at the both sides of pulse light output control device 16; Three optical benchs are separately fixed on optics guide rail 10, the distance of adjustment three optical benchs and height, make the central position of the center of the light that continuous light source 17 sends and the center of diaphragm outlet 8 and the optical glass window of radiation probe 9 on same bar straight line, the position of this pulse light output control device 16 on optics guide rail 10 must guarantee diaphragm outlet 8 can close to but be not close to the optical glass window of radiation probe 9, the size of diaphragm outlet 8 and the in the same size of optical glass window; Being connected with power supply 14 by stepper-motor 1, slot optical coupling 5 is connected with frequency counter 15, with the rotating speed of monitor in real time stepper-motor 1; Opening power 14, stepper-motor 1 rotates, and then drive logical light rotating disk 2 and logical light counting dish 4 to rotate, when the light hole 21 being positioned on logical light rotating disk 2 is crossing with the diaphragm outlet 8 on bright dipping apertured plate 3, slot optical coupling 5 will receive logical optical signal, meanwhile, the light beam that continuous light source 17 sends exports 8 outputs by diaphragm, by the output power of change power supply 14 to control the rotating speed of stepper-motor 1, can obtain the pulse light that frequency is controlled, calibrate to realize radiation probe 9, as shown in Figure 7.
Wherein, in order to avoid because the photosensitive logical light counting dish 4 less than causing rotates the statistics mistake of the number of turns, when light tank 41 is placed between the upper and lower photosensitive surface of slot optical coupling 5, slot optical coupling 5 is completely photosensitive. When the number of turns mistake that the logical light counting dish 4 that frequency counter 15 is added up rotates, if user changes the output power of power supply 14 according to the numerical value of frequency counter 15, to can not get the pulse light of the frequency that user wants, this will cause the calibration erroneous results of radiation probe 9.
In addition, the edge of bright dipping apertured plate 3 is provided with the shading platform 7 of certain altitude, and the distance between logical light rotating disk 2 and bright dipping apertured plate 3 is less than the height of shading platform 7. Arranging of shading platform 7 can avoid stray light to the interference of emergent light, contributes to obtaining radiation calibration result more accurately.
Wherein, the radius of bright dipping apertured plate 3 is greater than the radius of logical light rotating disk 2. Arrange like this and can further avoid stray light to the interference of emergent light, contribute to improving the accuracy of radiation calibration result.
In addition, the height of diaphragm outlet 8 is higher than the height of bright dipping apertured plate 3. Contribute to obtaining more concentrated light beam like this, it is to increase the accuracy of radiation calibration result.
Wherein, the edge of logical light counting dish 4 is placed in the mid-way of the upper and lower photosensitive surface of slot optical coupling 5. Arrange like this and the upper and lower photosensitive surface of slot optical coupling 5 can be made photosensitive better, avoid because the photosensitive logical light counting dish 4 less than causing rotates the statistics mistake of the number of turns.
In addition, light hole 21 is consistent with the locality of light tank 41, and namely when light hole 21 and diaphragm outlet 8 overlap completely, light tank 41 is placed in the center of the upper and lower photosensitive surface of slot optical coupling 5. The statistics that logical light counting dish 4 can be avoided like this to rotate the number of turns has error.
In the present embodiment, the radius R 1 of logical light rotating disk 2 is 115mm, and the quantity of light hole 21 is eight, and the radius r 2 of light hole 21 is 15mm, and the distance r1 between the center of circle of each light hole 21 and the center of circle of logical light rotating disk 2 is 76mm, as shown in Figure 2. The radius R 2 of bright dipping apertured plate 3 is 136mm, and the height H 1 of shading platform 7 is 26mm, and the radius r 2 of diaphragm outlet 8 be 15mm, height H 2 is 18mm, and the distance r1 that diaphragm exports between the center of 8 and the center of bright dipping apertured plate 3 is also 76mm, as shown in Figure 3. The radius R 3 of logical light counting dish 4 is 31mm, eight light tanks 41 are circumferentially evenly had at the logical light counting dish 4 center 18mm of distance, light tank 41 to be a width be 5mm, the degree of depth are the approximate rectangular empty groove of 11mm, the photosensitive surface up and down of slot optical coupling 5 is the rectangle of 5mm*10mm, completely photosensitive to ensure, distance between upper and lower photosensitive surface is 5mm, as shown in Figure 4.
In the present embodiment, the luminous energy of the pulse light exported is an average light energy in the logical photoreduction process of diaphragm outlet 8, namely when the light hole 21 on logical light rotating disk 2 overlaps completely with the diaphragm outlet 8 on bright dipping apertured plate 3, luminous energy is maximum, export in 8 processes luminous energy respectively in increasing progressively and decline trend entering and leave diaphragm, light hole 21 exports in 8 crossing processes with diaphragm, the distribution of luminous energy is on the whole in normal distribution, as shown in Figure 5, corresponding pulse light output frequency diagram is as shown in Figure 6 for the distribution plan of light energy output of the present utility model.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to enforcement mode of the present utility model. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without the need to also cannot all enforcement modes be given exhaustive. All any amendment, equivalent replacement and improvement etc. done within spirit of the present utility model and principle, all should be included within the protection domain of the utility model claim.
Claims (10)
1. a frequency controllable pulse light output arrangement, it is characterised in that, comprise stepper-motor (1), logical light rotating disk (2), bright dipping apertured plate (3), logical light counting dish (4) and slot optical coupling (5); Described logical light rotating disk (2) and logical light counting dish (4) be arranged on the lower end of the rotating shaft of stepper-motor (1) and upper end respectively and with the rotating shaft synchronous rotary of stepper-motor (1); Logical light rotating disk (2) is evenly provided with some light holes (21), and distance logical light rotating disk (2) center that the is centrally located at certain distance of all light holes (21) is circumferentially, and the edge of logical light counting dish (4) is evenly offered the light tank (41) of equal amts; Described bright dipping apertured plate (3) is fixed on the lower surface of stepper-motor (1) for blocking logical light rotating disk (2), bright dipping apertured plate (3) is provided with diaphragm outlet (8), the shape of diaphragm outlet (8) is identical with the shape of light hole (21), and the distance of the rotating shaft of both distance stepper-motors (1) is identical; Described slot optical coupling (5) is positioned on the upper surface of stepper-motor (1), and the edge of logical light counting dish (4) gos deep between the upper and lower photosensitive surface of slot optical coupling (5).
2. frequency controllable pulse light output arrangement according to claim 1, it is characterised in that, described logical light rotating disk (2), bright dipping apertured plate (3), logical light counting dish (4), diaphragm outlet (8) and light hole (21) are circle.
3. frequency controllable pulse light output arrangement according to claim 1, it is characterised in that, when described light tank (41) is placed between the upper and lower photosensitive surface of slot optical coupling (5), slot optical coupling (5) is completely photosensitive.
4. frequency controllable pulse light output arrangement according to claim 1, it is characterised in that, also comprise the optocoupler retaining plate (6) being fixedly mounted on described stepper-motor (1) upper surface, described slot optical coupling (5) is fixed on optocoupler retaining plate (6).
5. frequency controllable pulse light output arrangement according to claim 1, it is characterised in that, the edge of described bright dipping apertured plate (3) is provided with the shading platform (7) of certain altitude.
6. frequency controllable pulse light output arrangement according to claim 5, it is characterised in that, the distance between described logical light rotating disk (2) and described bright dipping apertured plate (3) is less than the height of described shading platform (7).
7. frequency controllable pulse light output arrangement according to claim 1, it is characterised in that, the radius of described bright dipping apertured plate (3) is greater than the radius of described logical light rotating disk (2).
8. frequency controllable pulse light output arrangement according to claim 1, it is characterised in that, the height of described diaphragm outlet (8) is higher than the height of bright dipping apertured plate (3).
9. frequency controllable pulse light output arrangement according to claim 1, it is characterised in that, the edge of described logical light counting dish (4) is placed in the mid-way of the upper and lower photosensitive surface of slot optical coupling (5).
10. frequency controllable pulse light output arrangement according to the arbitrary item of claim 1 to 9, it is characterised in that, described light hole (21) is consistent with the locality of described light tank (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520928934.1U CN205280565U (en) | 2015-11-20 | 2015-11-20 | Controllable pulse light output device of frequency |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520928934.1U CN205280565U (en) | 2015-11-20 | 2015-11-20 | Controllable pulse light output device of frequency |
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| CN205280565U true CN205280565U (en) | 2016-06-01 |
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| CN201520928934.1U Expired - Fee Related CN205280565U (en) | 2015-11-20 | 2015-11-20 | Controllable pulse light output device of frequency |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956189A (en) * | 2018-07-23 | 2018-12-07 | 苏州信诺泰克医疗科技有限公司 | Running fix platform, with the reagent needle running fix platform of the running fix platform and its method that walks |
| CN111103264A (en) * | 2018-10-26 | 2020-05-05 | 宁波方太厨具有限公司 | Method for testing antifogging performance of glass coating |
| CN111103263A (en) * | 2018-10-26 | 2020-05-05 | 宁波方太厨具有限公司 | Device for testing antifogging performance of glass coating |
-
2015
- 2015-11-20 CN CN201520928934.1U patent/CN205280565U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956189A (en) * | 2018-07-23 | 2018-12-07 | 苏州信诺泰克医疗科技有限公司 | Running fix platform, with the reagent needle running fix platform of the running fix platform and its method that walks |
| CN108956189B (en) * | 2018-07-23 | 2024-03-01 | 苏州信诺泰克医疗科技有限公司 | Movable positioning table, reagent needle movable positioning table with movable positioning table and positioning method thereof |
| CN111103264A (en) * | 2018-10-26 | 2020-05-05 | 宁波方太厨具有限公司 | Method for testing antifogging performance of glass coating |
| CN111103263A (en) * | 2018-10-26 | 2020-05-05 | 宁波方太厨具有限公司 | Device for testing antifogging performance of glass coating |
| CN111103264B (en) * | 2018-10-26 | 2022-01-21 | 宁波方太厨具有限公司 | Method for testing antifogging performance of glass coating |
| CN111103263B (en) * | 2018-10-26 | 2022-01-21 | 宁波方太厨具有限公司 | Device for testing antifogging performance of glass coating |
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Granted publication date: 20160601 Termination date: 20211120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |