SU1312662A1 - Switching device - Google Patents

Abstract

The invention relates to electrical engineering and can be used for switching electrical circuits from various types of control signals, as well as under the influence of intense external mechanical disturbances. The purpose of the invention is to increase the sensitivity, speed and enhanced operational capabilities. The device contains a sealed cylinder 1, in one end of which O is a piezoceramic plate 2 fixed to the console, connected to a movable L-shaped ferromagnetic contact core (CS) 8, installed with the possibility of rotation on the axis 11. The long portion of the movable about the L-shaped ferromagnetic CS 8 through the dielectric gasket 12 is connected to an arcuate, resilient element (DUE) 13, which allows to carry out an unstressed contact closure, increase vibration resistance. DED 13 is also an element of additional signal cial circuit. The increase in speed is achieved due to the large angular velocity of rotation of the free end 10 of the long part of the movable l-shaped ferromagnetic CS 8. 2 Il. u (L Figure 1

Description

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Icfetnings (glossit to electromechanical switching devices and can be used for switching electrical circuits in automation, telemechanics and communication systems, in measurement technology.

The aim of the invention is to demonstrate the speed, sensitivity and {. Expansion of operational capabilities.

FIG. 1 shows the iiperunai ae switching device, longitudinal section; in fig. 2 is a view A of FIG. one.

The rim-mutation device contains a sealed balloon 1, in one end of which a piezoceramic plate 2 is attached in a consolidated manner, connected to i, 1 diodes 3 and D polarized electrical signal. Ipods of contact: core 5 and a non-movable ferromagnetic core 6. Piezoceramic plate 2 is connected through a dielectric plate 7 to a movable ferromagnetic contact core 8, made in an L-shaped form, and I have two parts, a short 9 and a long, 10 movable ferromagnetic form, and I have two parts — a short 9 and a long 10. A movable ferromagnet. the core 7 is fixed on the axis 11 located perpendicular to the longitudinal axis of the sealed badlon and has the ability to rotate around: it: the free end of a long movable ferromagnetic contact core 8 is disposed in parallel zokeramicheskoy piezoelectric plate 2 and is contact with the core 5 and the fixed ferromagnetic core pin 6 zamykayul1ie contact pair. An arcuate elastic element 13 is made near the free end of the long part 10 of the movable ferromagnetic contact core 8 through a dielectric pad 12 to its inner surface made of a long spring section and movable ferromagnetic contactgrank 8 located in the plane of movement of the spring 8. Arcuate element 13 is connected to pin 1A.

The device works as follows.

When exposed to a polarized electrical signal on pins 3 and 4, for example on pin 3 and -

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pa) zin.) d -, l 1, .soke; the amber plate 2 lengthens by a certain amount, transferring the force and turning clockwise CTjjejiKe

Part 9 is mounted on the contact core 8 fixed on the axis 11, which also serves as a conclusion. Meanwhile, the crank is rotated g. Ginnna part 10 of the core 8

prior to its closure with the inactive; -toy contact core 5, thus forming an electrical circuit between parts 5 and 11. At this, it should be noted that the movement of the free end of the long part 10 of the movable ferromagnet on the contact core 8 is proportional to the movement of its short end 9 multiplied by the ratio of the lengths of parts 10 and 9. In the case when the long part 10 is ten times longer than the short part 9 of the movable ferromagnetic contact core 8, the displacement of the free end of the long part 10 will be ten times b Longer than moving the short part 9.

When the i-iii} iHoro control polarizing signal is removed from pins 3 and 4, the pyorozoric plate 2 acquires the CBOH1 initial length, thereby returning the movable ferromagnetic contact core S to the initial state and breaking the Jierib electric between parts 5 and 5 eleven.

5 When applying a polarized signal, friend of () 11 polarity, for example - to pin 3 and + to pin 4, the device works in an analogous way, the circuit is connected between parts 6 and 11. However, this results in another an electrical circuit between terminal 14 and axis 11. due to the deformation of the elastic arc-like element 13. This circuit can

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used as an indication circuit of the condition of parts 6 and 10.

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When the polarized electrical signal is removed, the device returns to its original state.

The device also works in the presence of a magnetic flux (control circuit is not shown). When exposed to a magnetic field, the end of the long part 10 of the movable ferrom - NITNO1-O of the contact core 8 approaches the stationary ferromagnetic contact card 6. At this, deformation occurs.

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and pe1) eliizhenie duI ooopaynshch) th uggrugo- chlsmepta 13 1zmes; those with a movable ferromagnetic core 8. In the NS leduyuschii time occurs circuit arcuate end elastic member 13 contact with the ferromagnetic core 8 and an electrical circuit is formed between the parts 14 and 11. Dunn The circuit may be connected by a circuit indicating the state of the contacts. After the contact of the end of the arc-shaped elastic element 13 from the contact core 8 begins to decrease with increasing the reaction force of the deformable arcs of the elastic form: on the metalite 13, which is directed against the direction of movement of the long 10 contact core 8. At the final moment of time there is an impact-free closure Fifteen: legs (1 and immobile about ferromagnetic contact elements and a r-tric chain is formed between parts f- and 11.

By selecting the required gap size between the free end of the arcuate elastic element 13 and the contact core 8, the length of the arcuate element, curvature and attachment point, you can achieve significant legs to increase vibration resistance and virtually eliminate bouncing.

. The speed of the device, in the presence of an electric signal, increases the benefit of a high angular speed of free rotation of the sub-contact core, and the angular velocity is proportional to the linear size of the first part of the L-shaped mobile ferromagnetic contact core. The response time does not exceed 10 gps, the release time is 13 tf. The device is also characterized by increased vibration resistance due to the large distance between the contacting elements, as well as the location of the arcuate elastic element.

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Ф о р t-. of the invention. A switching device containing hermetic seals)) a balloon, parts and a non-ferrous magnetic ferromagnetic

5 contact cores, two dielectric structures and blown elastic 11 element made of a flat spring section and placed in the plane of movement of the movable ferromagnetic core, one end of which is fixed to the movable ferromagnetic contact core through the dielectric circuit, is electrically connected to connections for connecting elektriches- Koi o SI), which is designed so that, in order to improve speed, action, sensibility and increased operational capabilities 20 HocTeii, it is equipped with piezoceramic ggpastinko, non-movable contact core li axis, located on the st-1 E1M1dikul 1) but on the longitudinal axis 1 of the sealed cylinder, the movable ferrometnial contact core is L-shaped and mounted on the specified axis with the possibility of rotation, piezo-axes the plate and the fixed contact core are cantileverly fixed in the same end of the cylinder, in which the ferromagne-ferromag is installed, 15 contact core, with the piezo-ceramic plate

The 35 end of the electrically connected} 1a is connected to the electrical connection of the electric pin, and its second end is rigidly connected through the dielectric strip to the short part of the movable ferromagnetic and pin contact core parallel to the piezoceramic plate and form an immobile ferromagnetic contact core. contact pairs,

5, the loose end of the dut-shaped elastic element is located with a gap in relation to the face of a movable ferromagnetic co-contact with the core facing it, and the part

A 50 arcuate elastic element with a tension rests on the wall g of the pressurized container.

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Claims (1)

Forg: invention invention. A switching device comprising a sealed balloon, a movable and fixed ferromagnetic contact cores, two dielectric gaskets and an arcuate elastic element made of a segment of a flat spring and placed in the plane of movement of the movable ferromagnetic core, with one end thereof mounted on the movable a ferromagnetic contact core through a dielectric gasket and is electrically connected to a terminal for connecting an electric signal, the fact that, in order to increase speed, sensitivity and expand operational capabilities, it is equipped with a piezoceramic plate, a fixed contact core and an axis located perpendicular to the longitudinal axis of the 1 sealed canon, the movable ferromagnetic contact core is L-shaped and mounted on the specified axis with the possibility of rotation , the piezoceramic plate and the fixed contact core are cantilevered in the same end of the container in which the fixed fairy a magnetic contact core, the piezoceramic plate being electrically connected at one end to a terminal for connecting an electrical signal, and the second end thereof is permanently connected to the short part of the movable ferromagnetic contact core parallel to the piezoceramic plate and form a fixed ferromagnetic contact core making contact pairs , the loose end of the arcuate elastic element is located with a gap Ito relative to the facing face of the movable ferromagnetic contact core, and the convex part of the arcuate elastic element with an interference fit rests on the wall of the sealed balloon.