106results about "Snap-action arrangements" patented technology

The invention relates to an element (100) for use in a micro-electro-mechanical system (200), in particular for use in semiconductor technology equipment, and to a micro-electro-mechanical system (200) comprising such an element (100). The element (100) comprises a MEMS structure (101) and at least one coating (140) applied over a large area to designated partial surfaces (135, 155) of the MEMS structure (101) from one side of the element (100), wherein the MEMS structure (100) has at least one otherwise non-functional special shape (160) with which at least a continuous parasitic coating (145) is avoided for certain areas away from the designated partial surfaces (135, 155).

The invention relates to a micro-electro-mechanically movable element (103) for use in a micro-electro-mechanical system (100) and a corresponding micro-electro-mechanical system (100), in particular for use in semiconductor technology equipment. The micro-electro-mechanically movable element (103) comprises a base plate (104) on the side of which facing away from the base structure (101) a mirror plate (105) with a curvature geometry is arranged, wherein the mirror plate (105) is connected to the base plate (104) via a pedestal (106), wherein the geometry of the contact points (107, 108) between pedestal (106) and mirror plate (105) as well as between pedestal (106) and base plate (104) are different. The micro-electro-mechanical system (100) comprises an element (103) that is micro-electro-mechanically movable at least in at least one degree of freedom relative to a basic structure (101) by at least one actuator (102), wherein the micro-electro-mechanically movable element (103) is designed according to the invention.

The utility model relates to the technical field of magnet switches, in particular to a magnet switch, which comprises a shell, a cavity is arranged in the shell, one end of the cavity penetrates through the shell, a slider is slidably mounted in the cavity, a magnet core is mounted in the slider in a clamping manner, and one end of the slider is fixedly connected with a head for triggering the magnet switch. A spring is fixedly connected between the sliding block and the inner wall of the cavity, a clamping frame is fixedly connected to one end of the shell and covers the head, a protective cover is installed on the side wall of the head in a clamped mode, the head is located in the protective cover, and one end of the protective cover is clamped with the clamping frame in a sealed mode. The structures of the magnet switch are assembled in an inserting and clamping mode, the structures are convenient to disassemble and maintain, when the switch is damaged, the switch does not need to be integrally replaced, the damage cost of the switch is low, the head of the magnet switch is protected by the protective cover, the waterproof effect is achieved, and the switch is not prone to being damaged by water.

The approach presented here provides a switching unit (100) with a selector lever (110) having a handle (200) and a deflection element (220), wherein the selector lever (110) is movably attached to a housing (130) by means of an axle (120), and the axle (120) is arranged between the handle (200) and the deflection element (220). Furthermore, the switching unit (100) comprises at least one actuating element (225), which is movably arranged on the axle (120) and has at least one area (300a) comprising a magnetic or magnetizable material, wherein the actuating element (225) is designed and arranged to be deflected by the deflection element (220). Finally, the switching unit (100) includes a magnet (235) which is arranged adjacent to the side of the axis (120) facing the deflection element (220) and which is designed to magnetically couple with the area (300a).

The invention discloses an electrical counter based on a super-smooth homojunction interface and a counting method, and relates to the technical field of micro-nano electromechanical systems (MEMS / NEMS). Comprising a base part, a rotatable part, a first layered material layer, a second layered material layer and a measuring and processing system, and the rotatable part can rotate relative to the base part; the measuring and processing system is electrically connected to the first layer of layered material and the second layer of layered material and is configured to: monitor a change in a resistance value across the homojunction interface during the rotational motion; identifying a characteristic reduction of the resistance value; outputting a count signal based on the identification of the characterization reduction; the beneficial effects of the invention are that the scheme utilizes the intrinsic physical effect of the lattice of the layered material at a specific rotation angle to realize a novel counting sensing mechanism which is high in precision, high in signal-to-noise ratio and extremely easy to miniaturize.

This invention provides a snap-action type two-circuit switch that achieves high-speed response of metal components using a snap-action mechanism and ensures synchronization of switching between the circuits of the switch when the snap-action mechanism performs the switching. [Solution] The device comprises a housing 1 having a housing section, an operating member 2 that receives a pressing operation, a first fixing member 401, a second fixing member 402, and a third fixing member 403 arranged in parallel within the housing section at a predetermined interval, a metal member 3 having a contact portion 301 that is slidably connected to the second fixing member and the third fixing member, a snap action mechanism that drives the metal member when the operating member is pressed to a predetermined position, and a base 4 provided at the bottom of the housing. The snap action mechanism comprises a first drive body 5 on which the metal member is provided, a second drive body 6 located above the first drive body, and a spring 7 located below the first drive body.

The invention relates to the technical field of semiconductor manufacturing, in particular to an MEMS device and a preparation method thereof.The MEMS device comprises a substrate, a device layer and a cap sealing layer which are sequentially adjacent in the first direction; the substrate internally comprises cavity grooves and supporting columns which are alternately arranged in the second direction. The cap sealing layer comprises a substrate and a plurality of semiconductor columns penetrating through the substrate in the first direction, and the semiconductor columns and the substrate are isolated through isolation rings surrounding the semiconductor columns; the device layer comprises a first driving electrode, a first movable driving comb tooth, a first beam, a first anchor point, a second beam, a first movable detection comb tooth and a first detection electrode which are sequentially arranged along a second direction; the first movable drive comb is connected with the first anchor point via the first beam. At least one MEMS device which is excellent in electrical isolation performance, good in thermal matching and high in electromechanical transformation sensitivity can be provided, and signal crosstalk caused by overlarge stray capacitance is avoided while vertical interconnection leading-out of multiple paths of independent signals is achieved.

A switch device according to one aspect of the invention comprises a changeover contact member, a common contact member, a movable contact member, and a holding member. When a direction along the direction of movement of the movable contact member is defined as a first direction, a direction orthogonal to the first direction is defined as a second direction, and a direction orthogonal to both the first direction and the second direction is defined as a third direction, the movable contact member has a main body portion, a pair of contact pieces arranged in the third direction so as to be able to sandwich the changeover contact member therebetween, and a common contact portion that comes into contact with the common contact member, the holding member has a housing portion capable of housing a portion to be housed of the main body portion, and by the portion to be housed being snap-fit to the housing portion, with regard to the main body portion, the holding member restricts a displacement in the first direction and / or a displacement in the second direction while allowing a predetermined displacement in the third direction, thereby making it possible to easily and reliably perform relative alignment between the changeover contact member and the movable contact member.

A circuit breaker with an energy storage structure disclosed by the present invention comprises a base, a handle, a mechanism assembly and a contact system, the handle is rotatably installed in a corresponding hole of the base, the handle is connected with the mechanism assembly through a draw bar, the contact system comprises a moving contact and a static contact, and the moving contact is connected with the mechanism assembly through a draw bar. The moving contact is installed on the mechanism assembly and the support, rotation of the mechanism assembly drives the moving contact to rotate, the static contact comprises a first static contact and a second static contact, and the first static contact and the second static contact are located on the two sides of the mechanism assembly. The first static contact and the second static contact are arranged diagonally; the circuit breaker also comprises an energy storage assembly which is used for directly acting on a double-breakpoint moving contact of the circuit breaker in the closing process of the circuit breaker so as to control the energy storage position of the circuit breaker. Compared with the prior art, the energy storage assembly directly acts on the double-breakpoint moving contacts of the circuit breaker in the closing process of the circuit breaker, so that the energy storage position of the circuit breaker can be better controlled, and particularly, the position of each moving contact corresponding to a static contact can be well controlled for a multi-pole product, so that the energy storage distance of each pair of contacts is kept consistent; therefore, the electrical service life of the circuit breaker is prolonged, and the safety of the circuit breaker is improved.

This application discloses an electro-actuated device for superlubricated interface sliding, a microelectromechanical system (MEMS) drive device, a MEMS, and an electro-actuated sliding method, belonging to the field of MEMS technology. The electro-actuated device for superlubricated interface sliding provided by this invention includes a superlubricated van der Waals heterojunction, a first metal electrode, and a second metal electrode. The superlubricated van der Waals heterojunction includes a two-dimensional material platform with a conductive two-dimensional material layer on its surface, and a movable two-dimensional material stacked on the surface of the two-dimensional material platform. The lattice constant of the conductive two-dimensional material layer differs from that of the movable two-dimensional material by more than 1.8%. The electro-actuated device for superlubricated interface sliding provided by this invention can achieve nanoscale movement, and the frictional force during electro-actuated sliding is close to zero, effectively improving the sensitivity, accuracy, and service life of the MEMS drive device and MEMS based on it.

The utility model discloses a reed switch, a switch assembly comprising the reed switch and a circuit protection device. The utility model discloses a switch assembly, which comprises a shell with a first chamber and a second chamber, and a reed switch comprising a container positioned in the first chamber of the shell. The reed switch may further include a first lead and a second lead each extending from the container, wherein the first lead extends between the first chamber and the second chamber.

The invention discloses a quick-acting type double-loop switch, which comprises a shell with an accommodating part; an operation member that receives a pressing operation; the first fixing piece, the second fixing piece and the third fixing piece are arranged in the accommodating part in parallel at specified intervals; the metal piece is provided with a contact part which is in sliding connection with the second fixing piece and the third fixing piece; a quick-acting mechanism that drives the metal member when the operation member is pressed to a predetermined position; a base is arranged at the bottom of the shell; the quick-acting mechanism is provided with a first driving body and a second driving body, wherein the metal piece is arranged on the first driving body; the second driving body is positioned above the first driving body; and the spring is positioned below the first driving body. According to the quick-acting type double-loop switch, quick response of the metal piece can be achieved through the quick-acting mechanism, and therefore when the quick-acting mechanism conducts switching, the switching synchronism between the loops of the switch can be ensured.

A microelectromechanical device comprising a mobile rotor in a silicon wafer. The rotor comprises one or more high-density regions. The one or more high-density regions in the rotor comprise at least one high-density material which has a higher density than silicon. The one or more high-density regions have been formed in the silicon wafer by filling one or more fill trenches in the rotor with the at least one high-density material. The one or more fill trenches have a depth / width aspect ratio of at least 10, and the one or more fill trenches have been filled by depositing the high-density material into the fill trenches in an atomic layer deposition (ALD) process.

An operating mechanism for a transfer switch, the operating mechanism comprising a bracket and an energy storage mechanism for driving a main shaft. The energy storage mechanism comprises a first energy storage mechanism, a second energy storage mechanism, and a turnover member. When the turnover member rotates, a corresponding connecting rod shaft is driven by means of one of side walls at two ends of a first arc-shaped sliding groove or a second arc-shaped sliding groove to drive a connecting rod mechanism of the first energy storage mechanism or the second energy storage mechanism to move, such that a corresponding energy storage spring first stores energy and releases the energy after passing a balance position so as to drive the connecting rod mechanism to drive the main shaft to rotate, and the connecting rod shaft slides to the other ends of the first arc-shaped sliding groove and the second arc-shaped sliding groove. In this way, during the energy storage process of the energy storage mechanisms, the main shaft does not move, and after the energy storage mechanisms release the energy, the main shaft is driven to quickly rotate and switch a power supply. The switching speed of an automatic transfer switch is independent of the speed of a manual operation mechanism and an automatic operation mechanism, and the automatic transfer switch can reduce arc erosion on a switch contact system.

The invention relates to a switchgear (1) for breaking an electrical connection, comprising a first contact structure (10) with a first base (12) and a first contact member (14); a second contact structure (20) with a second base (22) and a second contact member (24) and corresponding to the first contact structure (10); a spring accumulator (30) configured for resiliently mounting the first (14) or the second (24) contact member on the respective first (12) or second (22) base; a drive system (40) configured for at least partially moving the first (14) and the second (24) contact members relative to one another along a switching axis (2) in order to break the electrical connection to ground (GND); and a locking means (50) configured for locking the first (14) and the second (24) contact members along the switching axis (2) in a releasable manner.

An actuator for actuating a switch of a powered device having a plurality of positions in which the actuator is magnetically held in position. The actuator includes a first actuator portion including a magnet and a first magnetic element having a first plurality of limbs, whereby magnetic flux of the magnet is directed through the first plurality of limbs; and a second actuator portion including a second magnetic element having a second plurality of limbs for receiving the magnetic flux from the first plurality of limbs. The actuator has a plurality of positions in which limbs of the first plurality of limbs align with limbs of the second plurality of limbs thereby to couple the magnetic flux in a flux loop through two limbs of the first plurality of limbs of the first magnetic element and two limbs of the second plurality of limbs of the second magnetic element.

Microelectromechanical system (MEMS) inertial sensors exhibiting reduced parasitic capacitance are described. The reduction in parasitic capacitance can be achieved by forming localized regions of thick dielectric material. These localized regions can be formed inside a trench. Forming the trench can increase the vertical separation between a sense capacitor and a substrate, thereby reducing the parasitic capacitance of the region. A fixed electrode of the sense capacitor can be placed between the proof mass and the trench. The trench can be filled with a dielectric material. In some cases, a portion of the trench can be filled with air, thereby further reducing the parasitic capacitance. These MEMS inertial sensors can be used as accelerometers and / or gyroscopes in other types of inertial sensors. Fabricating these trenches can involve lateral oxidation, whereby a column of semiconductor material is oxidized.

The present invention relates to the field of low-voltage electric appliances, in particular to an operating mechanism and a switching device including the operating mechanism. When the operating mechanism is opened, an operating shaft drives an energy storage turntable and a transmission plate at the same time. The transmission plate moves from a transmission plate closing position to a transmission plate breaking position. The energy storage turntable drives an output shaft structure to rotate from an output shaft closing position to an output shaft breaking position. After a first spring begins to release energy, the energy storage turntable drives the output shaft structure to rotate to a breaking transition position and is disengaged from the output shaft structure after driving the output shaft structure to cross over the breaking transition position. Meanwhile, the output shaft structure is engaged with the transmission plate, such that a second spring set completes energy storage and then begins to release energy. The second spring set releases energy to drive the output shaft structure to rotate to the output shaft breaking position. According to the operating mechanism and the switching device of the present invention, an opening distance of a moving contact and a static contact can be increased significantly.

The invention relates to a spring-loaded actuator (2) for an electrical switching device (1), comprising: a drive structure (20) mounted to be movable and configured to be coupled to the electrical switching device (1) for switching the electrical switching device (1); an actuation structure (40) mounted so as to be movable between a first position (A) and a second position (B) and having an engagement section (42) engaged with the drive structure (20); a spring accumulator (70) coupled to the actuation structure (40) and configured to store energy by moving the actuation structure (40) and having a peak of the stored energy between a first position (A) and a second position (B); and a locking device (80) configured to allow one-way movement of the actuation structure (40) from the first position (A) or the second position (B) towards the other of the first position (A) and the second position (B).

The embodiment of the invention provides a high-speed mechanical switch, and relates to the technical field of low-voltage electric appliances. The high-speed mechanical switch comprises a shell, a static contact structure, a moving contact structure, a driving mechanism and a holding mechanism, the shell comprises a base and an upper cover which are connected, and the base is provided with a first mounting groove; the static contact structure is at least partially arranged between the base and the upper cover, the moving contact structure comprises a moving contact and a contact seat, and the moving contact and the contact seat are both slidably arranged in the first mounting groove; the driving mechanism is at least partially arranged in the first mounting groove and is used for driving the moving contact structure to be in contact with or separated from the static contact structure; and the retaining mechanism is arranged in the first mounting groove and is used for keeping the moving contact structure and the static contact structure in a contact or separation state. The high-speed mechanical switch is small in size and can realize miniaturization design, so that the production cost is reduced, the high-speed mechanical switch can be conveniently applied to a scene with a limited installation space, and the switching-on and switching-off stability is high.

The present invention relates to a quick-acting switch (100), comprising a housing (1) and an actuating rod (2) having two switching positions. The actuating rod has at least one contact bridge (31, 32) for electrically connecting at least one first fixed contact pair (23, 24) in the switching position and quick-acting springs (8, 9) supported substantially symmetrically on an actuating element (3) and the actuating rod (2) in a preloaded manner. The line of action of the quick-acting springs is movable by the actuating element (3) such that the actuating rod (2) can be quickly switched from a first switching position in which the actuating rod (2) is substantially stationary to a second switching position in which the actuating rod (2) is substantially actuated. The quick-acting switch (100) further includes a forced disconnection device by which, when the force acting on the actuating element (3) exceeds a certain limit, the actuating rod (2) can be quickly disconnected from the actuating element (3). When the disconnection force is applied, a switching from at least the first switch position to the second switch position is forced, wherein at least one contact bridge (31, 32) has at least two contact points (17, 18, 19, 20) at one end and the other end respectively for electrically parallel contacting the first fixed contact pair (23, 24), wherein each contact point (17, 18, 19, 20) is designed to be able to fully switch the rated power of the quick-action switch (100), and (as shown in FIG3) the actuating rod (2) has at least one first stop (41) at least in the closing direction of the first fixed contact pair (23, 24), the first stop interacting with a first mating stop (51) to limit the movement of the actuating rod (2) in the closing direction of the first fixed contact pair (23, 24).

The invention relates to a micromechanical switch with a movable micromechanical switching element (10), a first contact pair (100) for switching a first electrical line (101) with a first electrical contact (110) arranged on the movable micromechanical switching element, and a second electrical contact (120), wherein the movable micromechanical switching element and the first contact pair are arranged in a hermetically sealed cavity (20). The core of the invention consists in the fact that a getter (30) is arranged in the cavity.

This device (1) a propulsion element (2) comprising at least one part (20) capable of expanding / contracting deformation along a main axis (X2) connecting a front part (21) and a rear part (23); - at least two guide elements (3, 5, 7) adapted to generate a rotation of the propulsion element (2) around a first and a second rotation axis, respectively, transverse to each other and to the main axis (X2) of the propulsion element, under the influence of an energy supply; a control unit (9) configured to actuate the rotation of the propulsion element (2) about at least one axis transverse to the main axis (X2) in coordination with the deformation of the deformable element (20) of the propulsion element (2) extending / retracting along the main axis (X2); Equipped with.

The present disclosure relates to early collision out-of-plane motion limiters for microelectromechanical devices. A microelectromechanical device includes a movable rotor and a fixed stator located in a device plane and a motion limiter that prevents the movable rotor from coming into contact with a fixed wall in a vertical direction perpendicular to the device plane. The motion limiter extends between the rotor and the stator and includes a stopper bar that is rotatable out of the device plane.

The present invention relates to an energy storage mechanism for state switching operation in an electrical control system, comprising: a housing; an operating assembly including an energy storage element; an actuator connected to a state-switching unit of the electrical control system; a locking assembly, wherein the energy storage element connects the operating assembly and the actuator and is enabled to store energy by changing a relative position between the operating assembly and the actuator, and the operating assembly is connectable to the actuator through the locking assembly to be in a locked state; and wherein the operating assembly is then driven to move in an opposite direction, which moves the actuator in the same direction, thereby the actuator drives the state-switching unit of the electrical control system to change its position state; and an unlocking assembly which, upon receiving a trigger signal, is capable of releasing the locked state between the operating assembly and the actuator, and the actuator then moving under the released energy of the energy storage element, thereby driving the state-switching unit of the electrical control system to change its position state again. The present invention enables opening in a free tripping way, so as to realize free tripping.

The invention relates to an electromechanical system (2) comprising: - a frame (10); - a movable element; - capacitive measuring or actuation means (15') comprising a movable electrode (152) and at least one fixed electrode, called a counter electrode, the movable electrode (152) comprising a membrane (152a) and a membrane stiffening structure (152b); - a motion transmission device (14') between the movable element and the movable electrode (152), the transmission device being rotationally mobile relative to the frame (10) by means of a plurality of pivot joints (16); and - elastic means connected to the movable electrode (152) and configured to generate an elastic force that opposes the motion of the movable electrode (152); the stiffening structure (152b) of the mobile electrode (152) being integral with the transmission device (14') and anchored to the transmission device at the level of at least part of the pivot joints (16).

To provide a switch device capable of simplifying a device configuration.SOLUTION: A switch device 8 includes a movable terminal 18, a first fixed terminal 19, and a second fixed terminal 20. The first fixed terminal 19 is in contact with the movable terminal 18 when a spring portion 22 of a snap action mechanism 23 of the movable terminal 18 is not reversed. The movable terminal 18 is brought into contact with the second fixed terminal 20 by reversal of the spring portion 22 when an operation reaches a specified operation amount. The second fixed terminal 20 has a fixed contact portion 53 formed by processing a part of the second fixed terminal 20 as a portion with which the movable terminal 18 comes into contact.SELECTED DRAWING: Figure 3