SU800948A1

SU800948A1 - Curtain shutter

Info

Publication number: SU800948A1
Application number: SU782700302A
Authority: SU
Inventors: Василий Иванович Стрельченко; Игорь Иванович Галич; Юрий Алексеевич Полосмах; Борис Семенович Хорсун; Эдуард Георгиевич Чугунов; Александр Григорьевич Кононенко; Юрий Леонидович Трофимов
Original assignee: Киевский Филиал Всесоюзного Научно- Исследовательского Института Техническойэстетики
Priority date: 1978-12-22
Filing date: 1978-12-22
Publication date: 1981-01-30

Description

Изобретение относится к кинофототехнике, а именно к проекторам и аппаратам проекционного типа, и может быть использовано в тахистоскопах для^быстрого предъявления зрительных 5 раздражителей (букв, слов, геометрических фигур и т.п.) при определении скорости и точности восприятия, а также проявляемого при этом внимания. юThe invention relates to film technology, namely, projectors and projection-type apparatuses, and can be used in tachistoscopes for the rapid presentation of visual 5 stimuli (letters, words, geometric shapes, etc.) in determining the speed and accuracy of perception, as well as manifest with this attention. Yu

Известны затворы в устройствах для прерывистого экспонирования испытательных тестов, выполненные в виде двух пластин, одна из которых установлена неподвижно и снабжена от- 15 верстиями, а другая пластина выполнена в виде вращающегося диска с отверстиями [1] .The closures in devices for intermittent exposure of test tests are known, made in the form of two plates, one of which is fixed and provided with 15 holes, and the other plate is made in the form of a rotating disk with holes [1].

Недостатком этого устройства яв- 20 ляется то, что оно не обеспечивает минимального времени экспозиции и его наращивания при исследования динамики становления зрительного образа в необходимых интервалах из-за боль- 25 шой инерционности механической и коммутирующей систем.The disadvantage of this device is that it does not provide a minimum exposure time and its build-up when studying the dynamics of the formation of the visual image in the necessary intervals due to the large inertia of the mechanical and switching systems.

'Наиболее близким к предлагаемому по технической сущности является затвор с независимым движением шторок 30 по направляющим, причем в каждой из шторок выполнены отверстия (2).'Closest to the proposed technical essence is a shutter with independent movement of the blinds 30 along the guides, with openings (2) made in each of the blinds.

Недостатком устройства является большая инерционность элементов меха нической системы, а также невозможность обеспечения наращивания времени экспозиции с приращением, обеспечивающим чистоту и качество экспериментов .The disadvantage of this device is the large inertia of the elements of the mechanical system, as well as the impossibility of increasing the exposure time in increments, ensuring the purity and quality of experiments.

Цель изобретения - повышение скорости работы затвора и обеспечение наращивания времени экспозиции с приращением не менее 0,001 с.The purpose of the invention is to increase the shutter speed and to increase the exposure time in increments of at least 0.001 s.

Указанная цель достигается тем, что шторный затвор, содержащий две с независимым движением по направляющим подпружиненные шторки с упорами, в каждой из которых выполнены отверстия , и электромеханическую систему управления шторками, снабжен третьей подпружиненной дополнительной шторкой, установленной [Ъ возможностью перемещения по направляющим, расположенным на одной из шторок, и взаимодействующей с упором, закрепленным на другой шторке, при этом в основных шторках·выполнены дополнительные отверстия.This goal is achieved by the fact that the curtain shutter, comprising two spring-loaded curtains with stops with independent movement along the guides, with stops in each of them, and an electromechanical curtain control system, is equipped with a third spring-loaded additional curtain installed [b by the ability to move along the guides located on one of the curtains, and interacting with a stop fixed on the other curtain, while additional holes are made in the main curtains ·

На фиг.1 изображен шторный затвор во взведенном положении, общий вид на фиг.2 - то же, о одной спущенной; шторкой; на фиг. 3 - то же, с двумя спущенными шторками; на фиг;4 - вид А на фиг.1.Figure 1 shows the shutter in cocked position, a General view of figure 2 is the same, about one deflated; curtain; in FIG. 3 - the same with two curtains; in Fig; 4 - view A in Fig. 1.

Устройство состоит из источников 1 и 2 света, шторки 3 с отверстиями а, б и с и шторки 4 с отверстиями д, е и ж.The device consists of light sources 1 and 2, curtain 3 with holes a, b and c and curtain 4 with holes d, e and g.

Затвор имеет спусковое устройство, Состоящее из электромагнита 5 с яко-υ рем 6, фиксатора 7 со штоком 8, элект-*» ромагнита 9 с якорем 10, фиксатора 11 со штоком 12 и устройства 13 взведения. Шторки 3 и 4 установлены в направляющих 14, находятся под действием пружин 15 и 16 и имеют упоры 17-The shutter has a trigger device, consisting of an electromagnet 5 with anchor υ rem 6, a latch 7 with a rod 8, an electromagnet 9 with an anchor 10, a latch 11 with a rod 12 and a cocking device 13. The shutters 3 and 4 are installed in the guides 14, are under the action of the springs 15 and 16 and have stops 17-

19. Йа шторке 4 в направляющих 20 ус- »5 тановлена дополнительная шторка 21, находящаяся под действием пружин 22 и имеющая отгибы 23 и 24, выполняю- . щие функцию упоров.19. On the curtain 4 in the rails 20- ”5, an additional curtain 21 is installed, which is under the action of the springs 22 and having bends 23 and 24. general function of stops.

Затвор работает следующим обра- Ю зом.The shutter operates as follows.

Шторки 3 и 4 во взведенном положении удерживаются штоками 8 и 12 фиксаторов 7 и 11. При этом светорой поток от источника 1 света перекрыт шторкой 4, а световой поток от источника 2 света проходит через отверстие ж шторки 4 и отверстие с шторкиThe shutters 3 and 4 in the cocked position are held by the rods 8 and 12 of the latches 7 and 11. At the same time, the light flux from the light source 1 is blocked by the curtain 4, and the light flux from the light source 2 passes through the opening w of the curtain 4 and the hole from the curtain

3. Шторка 3 через упор 17 взаимодействует с дополнительной шторкой 21, удерживаемой пружинами 22.3. The curtain 3 through the stop 17 interacts with an additional curtain 21 held by the springs 22.

При подаче напряжения на электромагнит 5 происходит поворот' его якоря вокруг оси, шторка 3 освобождается от штока 8 фиксатора 7, и перемещаясь совместно с дополнительной шторкой 21 под действием пружины 15 в направляющих 14, перекрывает шторкой 21 световой поток от источника 2, проходящий через отверстие ж шторки 4, одновременно пропуская световой поток от источника 1 через отверстие д шторки 4 и отверстие а штор~ ки 3 при их соосном размещении, достигаемом фиксацией шторки 3 18. .. . 'When voltage is applied to the electromagnet 5, its anchor rotates around its axis, the shutter 3 is released from the rod 8 of the retainer 7, and moving together with the additional shutter 21 under the action of the spring 15 in the guides 14, the shutter 21 shuts off the light flux from the source 2 passing through the hole Well of the curtain 4, simultaneously passing the light flux from the source 1 through the hole d of the curtain 4 and the hole a of the curtain ~ 3 when they are coaxially placed, achieved by fixing the curtain 3 18. ... ''

При подаче напряжения на магнит 9 происходит поворот ря 10 вокруг оси, шторка 4 освобождается от штока 12 фиксатора 11 и, перемещаясь совместно с дополнительной шторкой 21 под действием пружи упоро'м эдектрО^ его яко45 ны 16 в направляющих 14, перекрывает световой поток от источника 1 света, одновременно пропуская световой поток от источника 2 света через отверстие е шторки 4 и отверстие б шторки 3 при их соосном размещении, достигаемом фиксацией' шторки 4 упором 19.When voltage is applied to the magnet 9, the axis 10 rotates around its axis, the shutter 4 is released from the rod 12 of the latch 11 and, moving together with the additional shutter 21 under the action of the spring, the resistant electrode of its 16 in the guides 14, blocks the light flux from the source 1 light, simultaneously passing the light flux from the light source 2 through the opening e of the curtain 4 and the hole b of the curtain 3 when they are coaxially placed, achieved by fixing the shutter 4 with an emphasis 19.

Взведение шторок 3 и 4 производится одновременно с помощью устройства 13 взведения.Cocking curtains 3 and 4 is performed simultaneously using cocking device 13.

Использование предлагаемого изобретения позволяет управлять срабатыванием независимого движения шторок импульсами от двухканального выхода электронного устройства с заданным интервалом времени между импульсами не менее 0,001 с, что обеспечи!вает наращивание времен экспозиции !с любым заданным приращением, начиная с 0,001 с, что значительно повышает чистоту и качество экспериментальных исследований динамики становления зрительного образа.Using the present invention, it is possible to control the triggering of the independent movement of the curtains by pulses from the two-channel output of the electronic device with a predetermined time interval between pulses of at least 0.001 s, which ensures an increase in exposure times at any given increment starting from 0.001 s, which significantly increases the purity and quality experimental studies of the dynamics of the formation of the visual image.

Claims

The invention relates to film photographic equipment, namely, projectors and projection-type devices, and can be used in tachistoscopes to “quickly present visual stimuli (letters, words, geometric figures, etc.) in determining the speed and accuracy of perception, and also the attention shown. Closures are known in devices for intermittent exposure of test tests performed in the form of two plates, one of which is fixed and provided with holes, and the other plate is made in the form of a hinged disk with holes 1. A disadvantage of this device is that it does not provide the minimum exposure time and its increase when examining the dynamics of the formation of the visual image in the required intervals due to the large inertia of the mechanical and commutated system groups. The closest to the proposed technical entity is the shutter with independent movement of the shutters along the guides, with holes in each of the shutters. 23 The drawback of the device is the large inertia of the elements of the mechanical system, as well as the impossibility of increasing the exposure time with an increment that ensures cleanliness and quality of experiments. The purpose of the invention is to increase the shutter speed and ensure that the exposure time increases with an increment of at least 0.001 s. This goal is achieved by the fact that the blind shutter, containing two with independent movement along the guides, spring-loaded blinds with stops, each of which have holes, and an electromechanical control system of shutters, is equipped with a third spring-loaded additional shutter, installed by the LC ability to move along the directions located on one j "shutter, and interacting with, fixed on another shutter, while additional holes are made in the main shutters. Figure 1 shows the shutter curtain in the cocked position, the general view in figure 2 is the same, about one lowered curtain; on fig.Z - the same, with two wireless shutters; Fig; 4 is a view of A in Fig.1. The device consists of sources 1 and 2 of light, a curtain 3 with apertures a, 6 and c and a curtain 4 with apertures d, e and g. The shutter has a trigger device consisting of an electromagnet 5 with a bark, a clamp 7 with a rod 8, an electromagnet 9 with a cortex 10, a clamp 1 with a rod 12 n of the cocking device 13. The shutters 3 and 4 are installed in the guides 14, are under the action of the springs 15 and 16 and have IT IT stops. On the shutter 4, an additional shutter 21 is installed in the guides 20, which is under the action of the springs 22 and has bends 23 and 24 that perform the function of stops. The shutter works as follows. The shutters 3 and 4 in the cocked position are held by the rods 8 and 12 of the fasteners 7 and 11. At the same time, the light from the light source 1 is blocked by the shutter 4, and the light flux from the light source 2 passes through the apertures of the shutter 4 and the aperture from the shutter 3. Blind 3 through the stop 17 interacts with the additional curtain 21 held by the springs 22. When voltage is applied to the electromagnet 5, its core rotates around the axis, the shutter 3 is released from the rod 8 of the clamp 7, and moves together with the additional curtain 21 under the action of the spring 15 guide x 14, covers the curtain 21, the luminous flux from the source 2, passing through the opening of the curtain 4, simultaneously passing the luminous flux from the source 1 through the opening of the curtain 4 and the opening of the unit 3 when they are coaxially positioned, achieved by fixing the curtain 3 by an emphasis 18. .. . When voltage is applied to the electromagnet 9, its core 10 rotates around an axis, the shutter 4 is released from the rod 12 of the retainer 11 and, moving together with the additional curtain 21 under the action of the spring 16 in the guides 14, blocks the light flux from the source 1 of light, at the same time passing the luminous flux from the source 2 of light through the opening e of the shutter 4 and the opening b of the shutter 3 when they are coaxially positioned, achieved by fixing the shutter 4 by the abutment 19. The cocking of the shutters 3 and 4 is performed simultaneously by cocking device 13. The use of the present invention allows control of the triggering of independent movement of the pulses of pulses from the two-channel output of the electronic device with a predetermined interval of time between pulses of at least 0.001 s, which ensures the extension of the exposure times with any given increment. Starting from 0.001 s, which significantly increases the purity and quality of experimental studies of the dynamics of the visual image. Claims: Blind shutter containing two with independent movement along the guides spring-loaded shutters with stops in each of which holes are made, and an electromechanical shutter control system, characterized in that, in order to increase the shutter speed and ensure an increase in exposure time with increment not less than 0.001 s, it is equipped with a third spring-loaded additional curtain installed with the possibility of movement along rails located on one of the curtains and interacting with the stop, fastened to the other curtain, with additional holes being made in the main curtains. Sources of information taken into account in the examination 1. The author's certificate of the USSR 171P61, cl. A61 B5 / 1b, published 1965.

2. Authors certificate of USSR 161627, cl. G 03 B 9/40, published 1964 (prototype).