SU1275568A1

SU1275568A1 - Explosion-proof electric device

Info

Publication number: SU1275568A1
Application number: SU853908005A
Authority: SU
Inventors: Александр Иванович Пархоменко; Виталий Серафимович Дзюбан; Владислав Николаевич Станишевский
Priority date: 1985-06-12
Filing date: 1985-06-12
Publication date: 1986-12-07

Abstract

Изобретение относитс к электротехнике . Может быть использовано во взрьшозащищеннык электрических аппаратах. Цель изобретени состоит в повьшений надежности и безопасности , уменьшении габаритов, а также расширении эксплуатационных возможностей . Механизмы управлени 10 и 11 заключены в дополнительные взрывозащищенные оболочки 12, 13, которые размещены внутри вводной камеры 8. Аппаратна камера выполнена в виде стаканов 1 и 14. Стаканы состо т из одного или нескольких кольцевых элементов с резьбой на торцах. Ввинчивание дополнительного кольца позвол ет увеличить объем аппаратной камеры дл установки более мощного аппарата. Валом 17 вручную воздей (Л ствуют на привод 18 аппарата, расположенного в аппаратной камере. При необходимости осмотру и ремонта аппаратов 6 и 7 снимают (отвинчивают) стакан 14. 4 з.п.ф-лы, 9 ил.The invention relates to electrical engineering. It can be used in explosion-proof electrical apparatus. The purpose of the invention is to increase reliability and safety, reduce size, and enhance operational capabilities. The control mechanisms 10 and 11 are enclosed in additional explosion-proof shells 12, 13, which are housed inside the introductory chamber 8. The apparatus chamber is designed as cups 1 and 14. The cups consist of one or more annular elements with threads on the ends. Screwing in an additional ring allows you to increase the volume of the hardware camera for installing a more powerful apparatus. The shaft 17 manually acts on the actuator 18 of the apparatus located in the apparatus chamber. If necessary, inspection and repair of the apparatus 6 and 7 remove the cup 14. (unplugged). 4 cpfl-ly, 9 Il.

Description

Изобретение относится к взрывозащищенным электрическим аппаратам управления и защиты, к взрывозащищенным электромагнитным упускателям, а в т о? ί а т и ч е с к и м в ы к лю ч а т ел я м с т а нциям управления, предназначенным для управления электроприемниками, преимущественно электродвигателями, и их защиты при работе в условиях взрывоопасной окружающей среды.The invention relates to explosion-proof electrical control and protection apparatus, to explosion-proof electromagnetic omissions, and in t about? R ection s for control stations intended for controlling electric receivers, mainly electric motors, and protecting them when working in explosive environments.

Цель изобретения - повышение надежности и безопасности, уменьшение габаритов и расширение эксплуатаци о и 11 ых в о з м о ж и о с т ей.The purpose of the invention is to increase reliability and safety, reducing the size and expanding the operation of the 11th and the second in the w o m about and with it.

ιι

На фиг.1 приведена конструкция аппарата.: на фиг.2 - электрическая схема цепей управления предлагаемого аппарата, на фиг.З - стакан из нескольких кольцевых элементов, выполняющий функции крышки; на фиг.4-7 схемы соединения силовых цепей, ва~. риантьЦ на фиг.8 и 9 ~ схема соединения цепей управления предлагаемого аппарата, варианты.In Fig.1 shows the design of the apparatus: in Fig.2 is an electrical diagram of the control circuits of the proposed apparatus, in Fig.Z - a glass of several ring elements that acts as a cover; figure 4-7 diagrams of the connection of power circuits, VA ~. Fig. 8 and 9 ~ connection diagram of the control circuits of the proposed apparatus, options.

.Конструкция аппарата (.фиг.1) содержит взрывозащизденную оболочку, состоящую из стакана 1 с дном 2, в котором установлены проходные зажимы 3 и 4, панели 5, на которой смонтированы коммутационные аппараты б и 7, вводной камеры 8, установленной на дне 2 стакана 1 и закрытой крышкой 9. Механизмы 10 и 11 управления расположены в дополнительных взрыклзащищенньк оболочках 12 и 13, размещенных в камере 8 вводов, стакана 14 с дном 15, образовывающего вместе со стаканом 1 взрывозащищенную аппаратную камеру, в которой расрасположены коммутационные аппараты 6 и 7..The apparatus design (.Fig. 1) contains an explosion-proof casing, consisting of a glass 1 with a bottom 2, in which are installed passage clamps 3 and 4, a panel 5, on which switching devices b and 7 are mounted, an input chamber 8 installed on the bottom 2 cup 1 and a closed lid 9. The control mechanisms 10 and 11 are located in additional explosion-proof enclosures 12 and 13 located in the inlet chamber 8, the cup 14 with the bottom 15, forming, together with the cup 1, an explosion-proof apparatus chamber in which the switching devices 6 and 7 are located .

В з рыв о б е э опасн ость аппар атной камеры достигается тем, что зазор в месте соединения открытых торцов 16 стенок стаканов 1 и 14 обеспечивает требуемый уровень взрывозащиты.Explosion hazard of the equipment chamber is achieved by the fact that the gap at the junction of the open ends 16 of the walls of the glasses 1 and 14 provides the required level of explosion protection.

Для этого на стенках стаканов 1 и 14 выполнена, например, резьба, с помощью которой оба стакана соеди•няются вместе. В дне 15 имеется отверстие, в котором смонтирован вал 17, воздействующий на привод 18 аппарата, управляемого вручную и расположенного в аппаратной камере. Обмотки электромагнитов 19 и 20 (фиг.2) коммутационных аппаратов 6 й 7 присоединены к источнику питания через контакты устройств 10 и 11 управле ния, Вал 17 и отверстие в дне 15 .стакана 14 расположены по оси 21 стакана 14., Стаканы 1 и 14 состоят из одного или нескольких колец. На 5 фиг.З показан стакан, стенки которого Состоят из кольцевых элементов (колец) 22, имеющих резьбу на торцах, с помощью которой кольцевые элементы соединяются вместе.For this purpose, for example, a thread is made on the walls of the glasses 1 and 14, with the help of which both glasses are connected together. In the bottom 15 there is an opening in which a shaft 17 is mounted, acting on the drive 18 of the apparatus, manually controlled and located in the apparatus chamber. The windings of the electromagnets 19 and 20 (figure 2) of the switching devices 6th 7 are connected to the power source through the contacts of the control devices 10 and 11, the shaft 17 and the hole in the bottom 15. Of the glass 14 are located along the axis 21 of the glass 14., Glasses 1 and 14 consist of one or more rings. Figure 5 shows a glass, the walls of which consist of annular elements (rings) 22 having threads at the ends, with which the annular elements are connected together.

..

Главные контакты 23 и 24 коммутационных аппаратов 6 и 7 могут быть соединены последовательно (фиг.4), параллельно (фиг.З), автономно (фиг.6) или по реверсивной схеме (фиг.7). Катушки электромагнитов 19 и 20 коммутационных аппаратов 6 и 7 присоединены к источнику питания через контакты 25 и 26 и кон,θ такты механизмов 10 и 11 управления.The main contacts 23 and 24 of the switching devices 6 and 7 can be connected in series (Fig. 4), in parallel (Fig. 3), autonomously (Fig. 6) or according to a reverse circuit (Fig. 7). The coils of the electromagnets 19 and 20 of the switching devices 6 and 7 are connected to the power source through contacts 25 and 26 and con, θ clock cycles of the control mechanisms 10 and 11.

Аппарат работает следующим образом.The device operates as follows.

При включении механизма 10 управления (фиг.2) электромагниты 19 25 и 20 коммутационных аппаратов 6 и включают эти аппараты и подают напряжение на управляемые электроприемники. При необходимости осмотра и ремонта аппаратов и механизмов, смонтированных в аппаратной камере, стакан 14 снимается (отвинчивается), чем обеспечивается свободный Доступ к этим аппаратам без необходимости монтажа их на дополнительных выем- ных каркасах.When you turn on the control mechanism 10 (figure 2), the electromagnets 19 25 and 20 of the switching devices 6 and turn on these devices and supply voltage to the controlled electrical receivers. If it is necessary to inspect and repair apparatuses and mechanisms mounted in the apparatus chamber, glass 14 is removed (unscrewed), which ensures free access to these apparatuses without the need to mount them on additional removable frames.

С целью повышения надежности и в то же время снижения габаритов аппарата механизмы ГО и 11 управления заключены в дополнительные взрывозащищенные оболочки 12 и 13, разме щепные во вводной камере. Размещение оболочек 12 и 13 внутри вводной камеры 8 снимает с них требование ударопрочности и дает возможность выполнить эти оболочки облегченными, на⁴³ пример из пластмассы. Для удобства монтажа кабелей, присоединяемых во вводной камере 8 к проходным зажимам 3 и 4, требуется значительный монтаж· п.ый проем и, следовательно, значи5® тельный объем вводной камеры 8. При этом размещение нескольких дополнительных элементов с небольшими габаритами, заполняющими свободный объем вводной камеры 8. и смонтированными .так, что они не мешают монтажу кабелей, не влечет за собой необходимости увеличения габаритов вводной каме ры.In order to increase the reliability and at the same time reduce the dimensions of the apparatus, the control mechanisms GO and 11 are enclosed in additional explosion proof enclosures 12 and 13 that are split in the inlet chamber. Placing the shells 12 and 13 inside the inlet chamber 8 removes the requirement of impact resistance from them and makes it possible to make these shells lightweight, for example ⁴³ from plastic. For ease of installation of cables that are connected in the inlet chamber 8 to the passage clamps 3 and 4, considerable installation is required · the first opening and, therefore, a significant 5® volume of the inlet chamber 8. Moreover, the placement of several additional elements with small dimensions filling the free volume 8. introductory chamber and mounted .so that they do not interfere with the installation of cables, does not entail the need to increase the dimensions of the introductory chamber.

В случае применения резьбового соединения между стаканами 1 и 14 затруднительно обеспечение стыковки с валом, выведенным наружу приводов аппаратов, расположенных в аппаратной камере 5 и включаемых и отключаемых вручную. Такая стыковка существенно облегчается при конструкции, приведенной на фиг.1. Для этого в дне 15 стакана 14 выполнено отверстие, в котором смон- 10 тирован вал 17, воздействующий на привод 18, например на кнопку возврата теплового реле. Отверстие в крышке выполнено по оси 21 стакана 14 так, что дает возможность гарантировать 15 попгдание вала 17 на привод 18 при любом положении стакана 14 независимо от Усилия затяжки резьбы.In the case of the use of a threaded connection between the cups 1 and 14, it is difficult to ensure docking with the shaft brought out of the drives of the apparatuses located in the apparatus chamber 5 and switched on and off manually. This docking is greatly facilitated by the design shown in figure 1. For this purpose, a hole is made in the bottom 15 of the glass 14, in which a shaft 17 is mounted, which acts on the drive 18, for example, the reset button of the thermal relay. The hole in the lid is made along the axis 21 of the cup 14 so that it makes it possible to guarantee 15 that the shaft 17 is on the drive 18 at any position of the cup 14, regardless of the thread tightening force.

С одного торца кольца 22 резьба соответствует резьбе на стенке стакана 1, ас другой стороны - резьбе на стакане 14. Ввинчивание дополнительного кольца 22 позволяет увеличить объем аппаратного отделения до требуемого для установки более мощного коммутационного аппарата, что дает возможность повысить параметры аппарата в целом, без необходимости выпуска’другой оболочки. Эта работа без замены оболочки и перемонтажа кабе- ³θ ля может быть выполнена и в условиях эксплуатации одной лишь заменой коммутационного аппарата и установкой дополнительного кольца 22. При необходимости дальнейшего увеличения объ-35 ема аппаратного отделения могут быть дополнительно установлены еще ряд колец 22. Вместо одного мощного, имеющего значительные габариты коммутационного аппарата в аппаратной ка- 40 мере может быть установлено четное количество коммутационных аппаратов, например два, (фиг.1.2.4.5.6.и 7). Каждый из этих аппаратов рассчитан на легкий режим работы и поэтому два' 45 аппарата имеют в несколько раз меньшие габариты и стоимость по сравнению с этими показателями для аппарата, обеспечивающего требуемые предельные характеристики, т.е. рассчи- 50 тайного на тяжелый режим работы при максимальном напряжении, минимальном коэффициенте мощности и др..From one end of the ring 22, the thread corresponds to the thread on the wall of the cup 1, and on the other hand, to the thread on the cup 14. Screwing in the additional ring 22 allows you to increase the volume of the hardware compartment to the required for the installation of a more powerful switching device, which makes it possible to increase the parameters of the device as a whole, without need to release another shell. This work without replacing the sheath and reassembling the cable ³ θ la can be performed under operating conditions by just replacing the switching device and installing an additional ring 22. If necessary, a further increase in the volume of the hardware compartment can be additionally installed a number of rings 22. Instead one powerful, having significant dimensions of the switching apparatus in the hardware camera can be installed an even number of switching devices, for example two, (Fig.1.2.4.5.6.and 7). Each of these devices is designed for easy operation and, therefore, two '45 devices have several times smaller dimensions and cost compared with these indicators for a device that provides the required limit characteristics, i.e. reckon 50 secret to heavy duty at maximum voltage, minimum power factor, etc.

Однако, включение главных контактов 23 и 24 пары коммутационных аппа-55 ратов 6 и 7 последовательно (фиг.4) и синхронная их работа, обеспечиваемая управлением одним общим включаю щим механизмом 10 и одним общим отключающим механизмом 11 (фиг.2), позволяют повысить эффективность дугогашения в десятки раз по сравнению с одиночным аппаратом и обеспечить маломощными аппаратами 6 и 7 требуемые предельные параметры аппарата без применения мощного коммутационного ' аппарата, чем снижаются габариты, . стоимость и трудоемкость изготовления вэрывозащищенного аппарата в целом.However, the inclusion of the main contacts 23 and 24 of the pair of switching devices 55 and 6 sequentially (Fig. 4) and their synchronous operation, provided by the control of one common switching mechanism 10 and one common disconnecting mechanism 11 (Fig. 2), allow to increase the extinguishing efficiency is ten times higher than that of a single apparatus and providing low-power apparatuses 6 and 7 with the required limiting parameters of the apparatus without the use of a powerful switching apparatus, which reduces the size,. the cost and laboriousness of manufacturing the air-tight apparatus as a whole.

В то же время, если требуется управление электроприемником, работающим в легком режиме или при меньшем предельного напряжении (например 127, 220 и 380 В при аппарате на 660 В), но при токе, превышающем допустимый длительный ток одного коммутационного аппарата, то, переключив главные контакты 23 и 24 с последовательного на параллельное соединение (фиг.5), можно обеспечить управление более мощной нагрузкой без замены аппарата на больший типоразмер. При этом цепь управления должна соответствовать приведенной на фиг.2, так как включение и отключение аппаратов так же, как и в предыдущем варианте, должно быть синхронизировано, tAt the same time, if it is necessary to control an electric receiver operating in light mode or at a lower limit voltage (for example, 127, 220 and 380 V with a 660 V device), but at a current exceeding the permissible continuous current of one switching device, then by switching the main contacts 23 and 24 from serial to parallel connection (figure 5), it is possible to provide control of a more powerful load without replacing the device with a larger size. In this case, the control circuit must correspond to that shown in Fig. 2, since turning on and off the apparatus, as in the previous version, must be synchronized, t

Аппарат позволяет без увеличения его количества управлять и двумя автономными электроприемниками при легком режиме работы либо пониженном напряжении или мощностях электроприемников. В этом случае (фиг.6) выводы этих аппаратов должны быть присоединены к раздельным группам проходных зажимов 4 и 27, к каждой из которых' присоединен кабель, питающий электроприемник. Питание каждого электроприемника должно быть автономным, поэтому обмотки электромагнитов 19 и 20 при такой работе управляются отдельно . включающими и отключающими механизмами (кнопками) управления по схеме (фиг.8).The device allows, without increasing its number, to control two autonomous electrical receivers with light duty or reduced voltage or power of electrical receivers. In this case (Fig. 6), the terminals of these devices should be connected to separate groups of passage clamps 4 and 27, each of which has a cable connected to the power receiver. The power supply of each electric receiver must be autonomous, therefore the windings of the electromagnets 19 and 20 are controlled separately during this operation. turning on and off control mechanisms (buttons) according to the scheme (Fig. 8).

Аппарат позволяет также обеспечить управление реверсивным электроприемником по схемам (фиг.7 и 9). Отключение при этом должно осуществляться одним отключающим механизмом 11, а включение - механизмом 10 и контактом 25, обеспечивающими включение либо аппарата 6, либо аппарата 7, контакты 24 которого (фиг.7) измейяют чередование фаз на выводе аппарата.The device also allows you to control the reversible power according to the schemes (Fig.7 and 9). In this case, disconnection should be carried out by one disconnecting mechanism 11, and switching on - by mechanism 10 and contact 25, which enable either apparatus 6 or apparatus 7, contacts 24 of which (Fig. 7) measure phase rotation at the apparatus outlet.

Применение четного числа коммута-* ционных аппаратов с предложенной воз5 1275568 можностью соединения их главных контактов и катушек электромагнитов расширяет эксплуатационные возможности аппарата и в то же время обеспечивает возможность снижения габаритов и мае- $ сы аппарата.The use of an even number of switching devices with the proposed possibility of connecting their main contacts and coils of electromagnets expands the operational capabilities of the device and at the same time provides the possibility of reducing the size and weight of the device.

Claims

I The invention relates to the use of electrical smart electromagnetics, automati cally, the control station, which is designed for control of electrical foam with electrical equipment advantage 5 to their protection when there is a good asset. The purpose of the invention is to improve reliability and security, size reduction and expansion of operation, about 11: to about 3 to OVK and about to her, I Na. lb., 1 is shown, the design of the apparatus .; on FMG, 2 - the electrical circuit of the control circuits of the proposed appataty, in FIG. 3 - the glass of the carrier} :; ol; ch; the collective elements of the elements, the pattern of functions of the function of power on the screen. power circuit connection circuits, va-, rnanta; Fig. 8 and 9 show the connection scheme of the controllers of the apparatus proposed, variants. The apparatus’s structure, | ,, FI1.1); coder: 411g explosion-proof sheath consisting of cup 1 with bottom 2, in which pass-through clamps 3 and 4 are installed, panels 5, on which are mounted b and 7., input chambers 8, installed at the bottom of 2 glasses 1 and closed with a cover 9 o The mechanisms 10 and 11 of the controls are located in additional ones. Explosion scandic shells 12 and 13, placed in chamber 8 of the inlet, cup 14 with bottom 15, forming together with cup 1 an explosion-proof apparatus, in which the switching devices 6 and 7 are located. 3 ons and ns with t and p n. A ratn about and to and Mepbi is reached. The fact that the gap at the point of connection QTJCpbiTbix of the ends 16 of the walls of the glasses 1 and 14 provides the required levels. Explosion lag, PL This on the stet-sah glasses 1 is made, for example., thread. with the help of which both glasses are connected together, In the bottom 15 there is a layout, in which a shaft is mounted. G / ,, .ozdekstviyuknday on. the actuator 18 of the apparatus, controlled manually and located in the apgg. camera. 06 19 and 20 (fig. Mo 1 .1 to e: a ek tp o m. A g and t about s switching devices 5 d-i 7 are connected to the pigment source through the contacts of devices 10 and G control 12755681 Shaft 17 and hole in the bottom 15 of the apparatus of the bowl 14 are located along the axis 21 of the takan 14 "Glasses 1 and 14 consist of one or several rings. The needles show the glass of the wall of which consists of a ring. 22. having threads -; - at the ends, by means of which the annular elements are single. together. The main contacts 23 and 24 of the switching devices 6 and 7 can be connected sequentially .. (FIG. 4), in parallel (FIG. 5), autonomously (FIG. 6) or in a reverse circuit (FIG. 7). Coils of electromagnets 19 and 20 switching devices 6 and 7 are connected to the power source through pins 25 and 26 and contacts of control mechanisms 10 and 11; the device operates as follows. When the control mechanism 10 is turned on (Fig. 2), electromagnets 19 and 20 of switching devices 6 and 7 switch on these devices and apply voltage to control electrical reception. If it is necessary to inspect and repair apparatus and mechanisms mounted in a hardware chamber, it stan 14 seconds; it is (unscrewed). This provides free access to these devices without the need to install them on additional detachable frames. In order to damage it ::: and reliability and, at the same time, removed the device; :: the machine's dimensions; the control mechanisms 10 and 11 are enclosed in additional explosion-proof shells 12 and 13. placed in the inlet chamber; The shells 12 and 13 are inside the inlet chamber. 8 removes the need for it .. impact resistance and makes it possible to carry out these shells of lightweight material, for example, from plastic. For ease of installation of cables attached to the entry chamber 8 to the pass-through clamps 3 and 4, considerable installation is required and, consequently, a significant amount of the entry chamber 8, and the placement of several additional elements with small dimensions j filled yu . The free volume of the inlet chamber 8. and mounted so that they do not interfere with the installation of cables, does not entail the need to increase the dimensions of the inlet chamber. In the case of the use of a threaded joint between the cups 1 and 14, it is difficult to ensure the coupling with the output of the drives of the devices located in the hardware chamber and turned on and off manually. Such a dock makes it much easier with the design shown in FIG. To do this, in the bottom 15 of the cup 14 there is an opening in which the shaft 17 is mounted, acting on the actuator 18, for example the return button of the thermal relay. The hole in the lid is made along the axis 21 of the cup 14 so that it is possible to ensure that the shaft 17 hits the actuator 18 at any position of the cup 14 is independent of the thread tightening force. From one end of the ring 22, the thread corresponds to the thread on the side of the stack by 1, and the other side to the thread on the glass 14. Screwing the additional ring 22 increases the volume of the hardware compartment to the required for installing a more powerful switching device, which makes it possible to increase the parameters of the device as a whole without the need to release a round shell. This work, without replacing the sheath and reassembling the cable, can be performed under operating conditions only by replacing the switching device and installing an additional ring 22. If it is necessary to further increase the volume of the hardware compartment, another series of rings 22 can be additionally installed the significant dimensions of the switching apparatus in the hardware chamber can be set to an even number of switching; devices, for example, two (Fig. 1.2.4.5.6. and 7). Each of these devices is designed for light duty and therefore the two devices are several times smaller in size and cost compared to these indicators for the device that provides the required limiting characteristics, i.e. However, the inclusion of the main contacts 23 and 24 pairs of switching devices 6 and 7 in series (figure 4) and their synchronous operation, ensured by the management of one common switching mechanism 10 and one common disconnecting mechanism 11 (Fig. 2), allow for the arc extinguishing efficiency to be increased tenfold compared with a single apparatus and provide the required apparatus limiting parameters with the low-power apparatuses 6 and 7 without using power switching device, which reduces the size, -. the cost and laboriousness of manufacturing an explosion-proof apparatus as a whole. At the same time, if it is necessary to control an electric receiver operating in a light mode or at a lower limit voltage (for example, 127, 220 and 380 B with a 660 V device), but at a current that exceeds the permissible continuous current of one switching device, then the main contacts 23 and 24 from the serial to the parallel connection (figure 5), it is possible to provide control of a more powerful load without replacing the device with a larger size. In this case, the control circuit must correspond to that shown in Fig. 2, since the switching on and off of the devices, as in the previous version, must be synchronized. The device allows, without increasing its quantity, to control two autonomous receivers with a light operation mode, either with reduced voltage or power of the consumers. In this case (Fig. 6), the terminals of these devices must be connected to separate groups of passage clamps 4 and 27, to each of which a cable is connected that supplies the power receiver. The power supply of each electric receiver must be autonomous; therefore, the windings of electromagnets 19 and 20 are controlled separately for such work. on and off mechanisms (buttons) control scheme (Fig.8). The device also allows control of the reversible electric receiver according to the diagrams (Figs. 7 and 9). In this case, the shutdown must be carried out by one shutdown mechanism 11, and switched on by the mechanism 10 and contact 25, which ensure that the device 6 is turned on or the device 7, the contacts 24 of which (Fig.7) change the phase rotation at the output of the device. The use of an even number of switching devices with the proposed possibility of connecting their main contacts and coils of electromagnets expands the operational capabilities of the device and at the same time makes it possible to reduce the size and weight of the device. Claim 1. Explosion-proof electrical apparatus comprising an explosion-proof enclosure, having an explosion-proof hardware chamber and input chamber, at least one switching apparatus installed in the apparatus chamber, and control mechanisms having sparking elements, pass-through clamps, electrically connecting elements located in a hardware chamber, with a camera of inputs, that is, with a chain of increased reliability and safety, reduction in size and expansion. operational capabilities, it is equipped with at least one additional hardware chamber, which is anti-shielded, is shaped like glasses, the walls of which are interconnected at the open ends and form an explosion-proof connection, at the bottom of one of the glasses there are passages an explosion-proof enclosure in which the control mechanism is installed.

2. An apparatus according to claim 1, characterized in that said glass of the camera chamber are connected to each other by thread. .

3. The apparatus according to claim 1, or 2, which is attributed to the fact that at least one glass is made of a plurality of threaded annular elements for interconnecting them.

4. The apparatus according to claims 1, 2 or 3, characterized in that one of the glasses is the lid of the apparatus chamber, at the bottom of this glass along its axis of symmetry there is a hole for inserting the drive shaft of the apparatus placed in the apparatus chamber.

5. Pop-1 device, which is distinguished by the fact that an even number of electromagnetic switching devices are installed in the hardware chamber, and two switching-on and two controlling mechanisms for each pair of electromagnetic switching devices are installed in the input chamber so that it is possible to connect the main contacts of each pairs of electromagnetic switching devices in series or in parallel in a reversible scheme and autonomously, and their electromagnets are installed so that they can be affected by one switching and one disconnecting ntsy control mechanisms or two and comprising one or two shut-off and comprising two tripping control mechanism installed in said additional flameproof disposed in the opening chamber.

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