Instrument for monitoring of optoelectronic system parametres

FIELD: instrument making.

SUBSTANCE: invention is related to the field of inspection technology, in particular to instruments for monitoring of television system parametres. Device comprises the following components installed serially on optical axis - lens (1) and holder (2) for placement of test-object (3), and also accent light system (4). Lens (1) is installed with the possibility of displacement along its optical axis and is equipped with counting device (5). Accent light system (4) includes at least two blocks of lamps (6), which are symmetrically installed relative to optical axis of lens (1) with the possibility of block-wise connection of lamps. At least between one of lamps (7, 8, 9) of accent light system (4) and holder (2) for installation of test-object (3), the following components are installed serially - diffuser (10) and the first attenuator (11) of light radiation at axis that connects centre of holder (2) for installation of test object (3) and centre of lamp glowing body (8). Lens (1), holder (2) for installation of test object (3) and accent light system (4) are installed inside light impermeable body (12), which has opening for withdrawal of holder (2) for installation of test object (3) outside the limits of body (12) for replacement of test object (3).

EFFECT: expansion of instrument functional resources by provision of possibility to create wide range of rated values of illumination in plane of test object and possibility of simple manufacturing and installation of replaceable test-objects with different patterns.

7 cl, 1 dwg

 

The invention relates to the field of measuring and control equipment, and more particularly to devices of the control parameters television systems.

Known wide-angle collimator [1] to control the parameters of the optical-electronic systems, in particular control telescopic systems, including consistently placed on the same axis as the lens, mounted at the focal plane of the test object in a grid with measuring scales on her first working surface facing the lens, and the illuminator. The main disadvantage of this device is the inability to control the parameters of television systems with different modes of operation.

The closest in technical essence is a device for monitoring the parameters of optoelectronic systems [2], in particular for controlling a laser rangefinder, containing consistently placed on the optical axis of the lens, a holder for placing the test object and the illumination system, including associated optical reflecting mirror, a condenser and light source. When the light source generates a constant level of illumination in the plane of the test object. As a test object using a photographic film on which surface as a result of thermal action of laser radiation forms a transparent hole in the emulsion layer. One of the remnants of this device is the inability to control the parameters of television systems with different modes of operation in connection with the impossibility of creating a wide range of normalized illumination in the plane of the test object. The second disadvantage of this device is the inability to control various parameters television systems due to the complexity of manufacturing interchangeable test objects with different drawings on film.

The task of the utility model is to expand the functional capabilities of the device by providing the possibility of creating a wide range of normalized values of illumination in the plane of the test object and the simple fabrication and replacement of replaceable test objects with different patterns.

To solve the problem in the device for monitoring the parameters of the optical-electronic systems, which are installed in series on the optical axis of the lens and the holder for placing the test object, and the illumination system, it is new that the lens is mounted for movement along its optical axis and is provided with a reading device, the illumination system includes at least two lamp block, symmetrical about the optical axis of the lens, to access programs of the lamp, and at least between one of the lamps of the illumination system and a holder for placing the test object sequentially installed the diffuser and the first reliever light beam on the axis connecting the center of the holder for placing the test object and the center of the body of the candle is of lamps, a lens holder for placing the test object and the illumination system is placed inside a lightproof enclosure having an aperture for the output holder for placing the test object outside the chassis to replace the test object.

A readout device is designed as a movable scale attached to the lens body and a stationary index, fixed in the housing above the movable scale.

Each of the sets of lamps includes at least three incandescent bulbs.

The first reliever light emission can be performed in the form of a neutral density filter that is installed with the possibility of I/o in the optical path.

The first reliever light emission can be made in the form of a calibrated aperture or set of calibrated diaphragms installed with alternate I/o in the optical path.

Between the lens and controlled optoelectronic system can be entered a second attenuator for light emission, made in the form of a neutral density filter that is installed with the possibility of I/o in the optical path.

Between the lens and controlled optoelectronic system can be introduced telescopic system installed with the possibility of I/o in the optical path.

The implementation of the illumination system that includes at m is re, two sets of lamps symmetrically about the optical axis of the lens to access programs include lamps, as well as the installation of at least between one of the lamps of the illumination system and a holder for placing the test object sequentially diffuser and the first reliever light beam on the axis connecting the center of the holder for placing the test object and the center of the body of the glow lamp, allows you to extend the functionality of the device by providing the possibility of creating a wide range of normalized values of illumination in the plane of the test object. Using each of the blocks of lamps, at least three incandescent lamps ensures uniformity of illumination in the plane of the test object. Execution of the test object, for example, in the form of a mini-poster with the scattering surface facing the lens, which made the picture, and the holder of the test object with the possibility of its withdrawal from the housing for replacement of the test object, allows you to set the interchangeable test objects with different patterns, allowing you to control various parameters television systems.

The invention is illustrated in the drawing. The drawing shows a schematic diagram of the device for monitoring the parameters of opto-electronic systems.

Device for controlling parameters of the optoelectronic when the system contains an optically coupled lens 1, the holder 2 for placing the test object 3 and the backlight 4. The lens 1 is mounted for movement along its optical axis and is provided with a reading device 5 for measuring the magnitude of the displacement of the lens 1. Illumination system 4 includes two sets of lamps 6 three lamps 7, 8, 9 in each block lamps 6 symmetrical about the optical axis of the lens 1. Between the lamps 8, the illumination device 4 and the holder 2 for placing the test object 3 has been consistently found the scatterer 10 and the first attenuator 11. The first attenuator 11 may be made in the form of neutral density filter, set of nd filters, calibrated aperture or set of calibrated diaphragms installed with the possibility of I/o in the optical path. Lens 1, a holder 2 for placing the test object 3 and the backlight 4 is placed inside a light-tight housing 12 having a hole to accommodate the lens 1. The reading device 5 may be made in the form of a movable scale 13, fixed to the body 14 of the lens 1, and a fixed index 15, fixed in the housing 12 above the movable scale 13. Between the lens 1 and the controlled optoelectronic system 16 can be entered a second attenuator 17, made in the form of a neutral density filter that is installed with the possibility of I/o op the practical path. In the device for monitoring the parameters of optical-electronic systems can be introduced telescopic system 18 that is installed with the possibility of I/o in the optical path at the output of the lens 1. The drawing also shows the video monitor 19 in which visual image of the test object control parameters of optical-electronic system 16.

The device operates as follows.

Controlled opto-electronic system 16 have front of the device so that its television channel facing the exit pupil of the lens 1. Fixed in the holder 2 required test object 3. Mount holder with 2 fixed therein by means of a test object 3 into the housing 12. Include lamps 6 of the illumination system 4. Watching on the video monitor screen 19 the image of the test object 3, the turns of optical-electronic system 16 sets the center of the image of the test object 3 in the center of the screen of the monitor 19. If necessary, shift the lens 1 achieve a sharp focused image of the test object 3 on the screen of the monitor 19. By measuring the amount of movement of the lens 1 using a reading device 5 calculates the amount of mismatch plane photodetecting devices opto-electronic system 16 with the focal plane of the optical-electronic system 16. Including lamps 7, 8, 9 units of lamps 6 in FS is cnyh combinations and entering the diffuser 10 and the first attenuator 11 in front of the lamps 8 blocks of lamps 6, create various lighting conditions in a wide range in the plane of the test object 3. Visually the image of the test object 3 on the screen of the video monitor 19 control parameters of optical-electronic system 16 under different illumination in the plane of the test object 3. Placing in the holder 2 test objects 3 different drawings, control various parameters of the optical-electronic system 16. If necessary, the control parameters of optical-electronic systems 16 having different fields of view, in order to use the same test object 3 without replacement and without additional configuration, in the optical path at the exit of the lens 1 is inserted telescopic system 18 which allows you to change the angular size of the test object 3 to the value corresponding to an angular field of view controlled optical-electronic system 16. If necessary, additional attenuation of light radiation at the exit of the lens 1 can be installed a second attenuator 17 in the form of a neutral density filter. When carrying out the control parameters of optical-electronic system 16 is eliminated background illumination, as the lens 1, the holder 2 with the test object 3 and the backlight 4 are in a light-tight housing 12.

Thus, the device for controlling the opto-electronic systems provides enhanced functionality PU is eaten enable the creation of a wide range of normalized values of illumination in the plane of the test object and the simple fabrication and replacement of replaceable test objects with different patterns.

The source of information

1. The patent BY NO. 363 U, 2001

2. The patent BY No. 6407 C1, 2004 (prototype).

1. Device for controlling parameters of the optical-electronic systems, which are installed in series on the optical axis of the lens and the holder for placing the test object, and the illumination system, wherein the lens is mounted for movement along its optical axis and is provided with a reading device, the illumination system includes at least two lamp block, symmetrical about the optical axis of the lens to access programs of the lamp, and at least between one of the lamps of the illumination system and a holder for placing the test object sequentially installed the diffuser and the first reliever light beam on the axis of the connecting the center of the holder for placing the test object and the center of the body of the glow lamp, a lens, a holder for placing the test object and the illumination system is placed inside a lightproof enclosure having an aperture for the output holder for placing the test object outside the chassis to replace the test object.

2. Device for controlling parameters of the optical-electronic system according to claim 1, characterized in that the reading device made in the form of a movable scale attached to the lens body, and a fixed index, sacrameno what about in the case above, the mobile scale.

3. Device for controlling parameters of the optical-electronic system according to claim 1, characterized in that each of the sets of lamps includes at least three incandescent bulbs.

4. Device for controlling parameters of the optical-electronic system according to claim 1, characterized in that the first attenuator for light emission is made in the form of a neutral density filter that is installed with the possibility of I/o in the optical path.

5. Device for controlling parameters of the optical-electronic system according to claim 1, characterized in that the first attenuator for light emission is made in the form of a calibrated aperture or set of calibrated diaphragms installed with alternate I/o in the optical path.

6. Device for controlling parameters of the optical-electronic system according to claim 1, characterized in that between the lens and controlled optoelectronic system entered the second attenuator for light emission, made in the form of a neutral density filter that is installed with the possibility of I/o in the optical path.

7. Device for controlling parameters of the optical-electronic system according to claim 1, characterized in that between the lens and controlled optoelectronic system introduced telescopic system installed with the possibility of I/o in the optical path.



 

Same patents:

FIELD: optics.

SUBSTANCE: proposed method comprises fitting the collimator, to be set for infinity on optical bench, so that TV camera adjusted for infinity with respect to distant object receives, via collimator lens, the collimator reticule image, and focuses the collimator till producing high-quality reticule image on TV camera monitor.

EFFECT: simplified method of setting collimator for infinity.

3 cl, 1 dwg

FIELD: physics.

SUBSTANCE: invention is related to measurement devices characterised by optical measurement facilities, and may be used for solving wide range of technical tasks including measurement of flat angles, such as alignment of optoelectronic systems, assembly of large-size structures, remote measurement and remote transmission of angle values, etc. Autocollimator for measurement of flat angles includes illuminator, the following components located along beam direction - condenser, mark, beam splitter, lens, autocollimator mirror installed with the possibility of alignment by two angular coordinates, matrix photodetector and unit of information processing, at that mark and photodetector are installed in lens focal area, at that part of mark field is arranged in the form of slit raster, and part - in the form of line, and additional raster is installed in front of matrix photodetector part registering mark field image in the form of slit raster, close to it.

EFFECT: increased accuracy of measurements due to reduction of measuring track noises effect at simultaneous increase of measurement range and reduction of autocollimator dimensions.

4 dwg

FIELD: physics.

SUBSTANCE: invention concerns working-capacity control devices for aviation sighting and monitoring video systems, as well as for flight personnel training. The said device consists of collimator tube, bracket with prism, and light filter fixed at the exit face of collimator tube. Collimator tube includes cylindrical case with an objective lens at its exit end, and a running head attached by a slide to the entrance end face of cylindrical case with two horizontal guide rails. Ring seat of the running head has a grade rod inside, with illumination lamp in front of the rod. L-type bracket with a linear actuator is fixed at the outer side of running head. Grade rod consists of two clamping glasses and a removable slide, and is moving against the optic axis of the collimator tube.

EFFECT: higher reliability of working-capacity control of aviation sighting system video monitoring and application of working-capacity control as flight personnel training equipment.

4 dwg

FIELD: measuring devices.

SUBSTANCE: photoelectric autocollimator can be used for measuring value and direction of angular movement of object. Photoelectric autocollimator has radiation source optically connected with mask, light splitter, objective, scanner provided with control voltage source, mark and photoreceiver. It also has registration unit, unit for measuring direction of angular movement of object, first and second units for indication of angular movement of object.

EFFECT: widened functional abilities.

5 dwg

Ir collimator set // 2305305

FIELD: optics.

SUBSTANCE: IR collimator set has objective, removable test object disposed in focal plane of objective and provided with actuating member, control unit which has output connected with actuating member of background radiator, temperature processor which has output connected with input of control unit, unit for measuring temperature of test object which has output connected with first input of temperature processor, device for measuring temperature difference between background radiator and test object, which has output connected with second input of temperature processor. Environment temperature measuring unit is introduced into device additionally, which unit has output connected to third input of temperature processor. Temperature processor controls value of power voltage of background radiator's actuating member by means of control unit in such a manner than factual value of temperature difference between background radiator and test object coincide with current resulting required value, defined depending on required level of contrast radiation, current temperature of test object and current value of environment temperature to give precision which provides sustain of required level of contrast radiation with admissible error.

EFFECT: improved precision of sustain of contrast radiation level.

1 dwg

FIELD: electro-optical instrument engineering.

SUBSTANCE: two-channel electro-optical autocollimator is described having radiation source in near IR spectrum range. Autocollimator has two channels. Main channel has objective, beam-splitting prism and illuminator. Optical axis of illuminator is disposed along beam path, which beam is reflected from hypotenuse face of beam-splitting prism. Illuminator has the following parts disposed in series: beam-splitting prism of autocollimation mark, condenser and light source. Additional channel is disposed in parallel to axis of illuminator from main channel but on the other side of beam-splitting prism. Additional channel has additional objective disposed in series with flat mirror. Second illuminator is introduced into additional channel. Second illuminator is disposed at side of illuminator from main channel in relation to beam-splitting prism. Axis of additional channel is shifted in relation to axis of main channel. Both illuminators are optically conjugated with same hypotenuse face of prism. There is photo-receiving linear array in focal plane of objective of main channel. Light-absorbing plates are mounted onto beam-splitting prism. Additional prism is mounted onto opposite face of beam-splitting prism in site of crossing with same axis. Additional prism changes direction of axis of additional channel.

EFFECT: widened functional abilities; reduced sizes.

1 dwg

Infrared collimator // 2292067

FIELD: optics, possible use for controlling parameters of thermo-vision devices.

SUBSTANCE: infrared collimator contains objective, test chart, positioned in focal plane in front of background emitter, environment temperature sensor, corrector, meant for changing, in accordance to change of temperature of environment, of voltage at input of device for maintaining difference of temperature between background emitter and environment, input of which is connected to output of corrector, and output - to heater of background emitter. Introduced additionally is transformer, containing serially connected generator of stabilized voltage, first and second resistance elements, while first output of second resistance element is connected to second output of first resistance element, acts as first input of transformer and is connected to first output of environment temperature sensor, second output of second resistance element being the second input of transformer and being connected to second output of environment temperature sensor, and also second generator of stabilized voltage, output of which is connected to first input of differential amplifier, second input of which is connected to first input of transformer, while output of differential amplifier is an output of transformer and is connected to input of corrector, and environment temperature sensor has exponential dependence of resistance on temperature.

EFFECT: increased precision of control over parameters of thermo-vision devices due to increased precision of support of contrast radiation level.

4 dwg

FIELD: optical engineering.

SUBSTANCE: collimating optical system has objective disposed in series along beam path, which objectives are mounted in opposition to semiconductor lasers, and first group of prisms. Ribs of refracting two-faced angles of lasers are oriented in parallel to planes of semiconductor junctions. First positive component is mounted one after another along beam path behind group of prisms. Second group of prisms is disposed close to back focal plane of first positive component. The group of prisms separates input light beam along line being perpendicular to planes of semiconductor junction to two bundles. Polarization prism is disposed on the way of mentioned light beams to bring them into coincidence to one common light beam. Second positive component of the system has front focal plane brought into coincidence with back focal plane of first positive component.

EFFECT: increased brightness of output bundle of beams.

2 cl, 4 dwg

FIELD: optical systems.

SUBSTANCE: IR collimator complex has objective, removable test object disposed at focal plane of objective, background radiator disposed behind removable test object and provided with actuating tool, control unit which has output connected with actuating unit of background radiator, temperature processor which has output connected with input of control unit, test object temperature meter which has output connected with first input of temperature processor, device for measuring temperature difference between background radiator and test object which device has output connected with second input of temperature processor.

EFFECT: improved precision of sustaining contrast radiation level; widened operational capabilities.

5 cl, 2 dwg

The invention relates to the field of optical instrumentation and can be used in the development of opto-electronic systems, sighting and aiming

FIELD: optical systems.

SUBSTANCE: IR collimator complex has objective, removable test object disposed at focal plane of objective, background radiator disposed behind removable test object and provided with actuating tool, control unit which has output connected with actuating unit of background radiator, temperature processor which has output connected with input of control unit, test object temperature meter which has output connected with first input of temperature processor, device for measuring temperature difference between background radiator and test object which device has output connected with second input of temperature processor.

EFFECT: improved precision of sustaining contrast radiation level; widened operational capabilities.

5 cl, 2 dwg

FIELD: optical engineering.

SUBSTANCE: collimating optical system has objective disposed in series along beam path, which objectives are mounted in opposition to semiconductor lasers, and first group of prisms. Ribs of refracting two-faced angles of lasers are oriented in parallel to planes of semiconductor junctions. First positive component is mounted one after another along beam path behind group of prisms. Second group of prisms is disposed close to back focal plane of first positive component. The group of prisms separates input light beam along line being perpendicular to planes of semiconductor junction to two bundles. Polarization prism is disposed on the way of mentioned light beams to bring them into coincidence to one common light beam. Second positive component of the system has front focal plane brought into coincidence with back focal plane of first positive component.

EFFECT: increased brightness of output bundle of beams.

2 cl, 4 dwg

Infrared collimator // 2292067

FIELD: optics, possible use for controlling parameters of thermo-vision devices.

SUBSTANCE: infrared collimator contains objective, test chart, positioned in focal plane in front of background emitter, environment temperature sensor, corrector, meant for changing, in accordance to change of temperature of environment, of voltage at input of device for maintaining difference of temperature between background emitter and environment, input of which is connected to output of corrector, and output - to heater of background emitter. Introduced additionally is transformer, containing serially connected generator of stabilized voltage, first and second resistance elements, while first output of second resistance element is connected to second output of first resistance element, acts as first input of transformer and is connected to first output of environment temperature sensor, second output of second resistance element being the second input of transformer and being connected to second output of environment temperature sensor, and also second generator of stabilized voltage, output of which is connected to first input of differential amplifier, second input of which is connected to first input of transformer, while output of differential amplifier is an output of transformer and is connected to input of corrector, and environment temperature sensor has exponential dependence of resistance on temperature.

EFFECT: increased precision of control over parameters of thermo-vision devices due to increased precision of support of contrast radiation level.

4 dwg

FIELD: electro-optical instrument engineering.

SUBSTANCE: two-channel electro-optical autocollimator is described having radiation source in near IR spectrum range. Autocollimator has two channels. Main channel has objective, beam-splitting prism and illuminator. Optical axis of illuminator is disposed along beam path, which beam is reflected from hypotenuse face of beam-splitting prism. Illuminator has the following parts disposed in series: beam-splitting prism of autocollimation mark, condenser and light source. Additional channel is disposed in parallel to axis of illuminator from main channel but on the other side of beam-splitting prism. Additional channel has additional objective disposed in series with flat mirror. Second illuminator is introduced into additional channel. Second illuminator is disposed at side of illuminator from main channel in relation to beam-splitting prism. Axis of additional channel is shifted in relation to axis of main channel. Both illuminators are optically conjugated with same hypotenuse face of prism. There is photo-receiving linear array in focal plane of objective of main channel. Light-absorbing plates are mounted onto beam-splitting prism. Additional prism is mounted onto opposite face of beam-splitting prism in site of crossing with same axis. Additional prism changes direction of axis of additional channel.

EFFECT: widened functional abilities; reduced sizes.

1 dwg

Ir collimator set // 2305305

FIELD: optics.

SUBSTANCE: IR collimator set has objective, removable test object disposed in focal plane of objective and provided with actuating member, control unit which has output connected with actuating member of background radiator, temperature processor which has output connected with input of control unit, unit for measuring temperature of test object which has output connected with first input of temperature processor, device for measuring temperature difference between background radiator and test object, which has output connected with second input of temperature processor. Environment temperature measuring unit is introduced into device additionally, which unit has output connected to third input of temperature processor. Temperature processor controls value of power voltage of background radiator's actuating member by means of control unit in such a manner than factual value of temperature difference between background radiator and test object coincide with current resulting required value, defined depending on required level of contrast radiation, current temperature of test object and current value of environment temperature to give precision which provides sustain of required level of contrast radiation with admissible error.

EFFECT: improved precision of sustain of contrast radiation level.

1 dwg

FIELD: measuring devices.

SUBSTANCE: photoelectric autocollimator can be used for measuring value and direction of angular movement of object. Photoelectric autocollimator has radiation source optically connected with mask, light splitter, objective, scanner provided with control voltage source, mark and photoreceiver. It also has registration unit, unit for measuring direction of angular movement of object, first and second units for indication of angular movement of object.

EFFECT: widened functional abilities.

5 dwg

FIELD: physics.

SUBSTANCE: invention concerns working-capacity control devices for aviation sighting and monitoring video systems, as well as for flight personnel training. The said device consists of collimator tube, bracket with prism, and light filter fixed at the exit face of collimator tube. Collimator tube includes cylindrical case with an objective lens at its exit end, and a running head attached by a slide to the entrance end face of cylindrical case with two horizontal guide rails. Ring seat of the running head has a grade rod inside, with illumination lamp in front of the rod. L-type bracket with a linear actuator is fixed at the outer side of running head. Grade rod consists of two clamping glasses and a removable slide, and is moving against the optic axis of the collimator tube.

EFFECT: higher reliability of working-capacity control of aviation sighting system video monitoring and application of working-capacity control as flight personnel training equipment.

4 dwg

FIELD: physics.

SUBSTANCE: invention is related to measurement devices characterised by optical measurement facilities, and may be used for solving wide range of technical tasks including measurement of flat angles, such as alignment of optoelectronic systems, assembly of large-size structures, remote measurement and remote transmission of angle values, etc. Autocollimator for measurement of flat angles includes illuminator, the following components located along beam direction - condenser, mark, beam splitter, lens, autocollimator mirror installed with the possibility of alignment by two angular coordinates, matrix photodetector and unit of information processing, at that mark and photodetector are installed in lens focal area, at that part of mark field is arranged in the form of slit raster, and part - in the form of line, and additional raster is installed in front of matrix photodetector part registering mark field image in the form of slit raster, close to it.

EFFECT: increased accuracy of measurements due to reduction of measuring track noises effect at simultaneous increase of measurement range and reduction of autocollimator dimensions.

4 dwg

FIELD: optics.

SUBSTANCE: proposed method comprises fitting the collimator, to be set for infinity on optical bench, so that TV camera adjusted for infinity with respect to distant object receives, via collimator lens, the collimator reticule image, and focuses the collimator till producing high-quality reticule image on TV camera monitor.

EFFECT: simplified method of setting collimator for infinity.

3 cl, 1 dwg

FIELD: instrument making.

SUBSTANCE: invention is related to the field of inspection technology, in particular to instruments for monitoring of television system parametres. Device comprises the following components installed serially on optical axis - lens (1) and holder (2) for placement of test-object (3), and also accent light system (4). Lens (1) is installed with the possibility of displacement along its optical axis and is equipped with counting device (5). Accent light system (4) includes at least two blocks of lamps (6), which are symmetrically installed relative to optical axis of lens (1) with the possibility of block-wise connection of lamps. At least between one of lamps (7, 8, 9) of accent light system (4) and holder (2) for installation of test-object (3), the following components are installed serially - diffuser (10) and the first attenuator (11) of light radiation at axis that connects centre of holder (2) for installation of test object (3) and centre of lamp glowing body (8). Lens (1), holder (2) for installation of test object (3) and accent light system (4) are installed inside light impermeable body (12), which has opening for withdrawal of holder (2) for installation of test object (3) outside the limits of body (12) for replacement of test object (3).

EFFECT: expansion of instrument functional resources by provision of possibility to create wide range of rated values of illumination in plane of test object and possibility of simple manufacturing and installation of replaceable test-objects with different patterns.

7 cl, 1 dwg

Up!