Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

365results about "Snap-action arrangements" patented technology

MEMS sensor and method for compensating systematic measurement deviations in MEMS sensor

The invention relates to a MEMS sensor (100) comprising: a substrate (40) having a main plane of extension; a vibration mass (60) which is movably suspended in the z-direction (1000) relative to the substrate (40); and a sensor device (90) for detecting a measurement signal dependent on the position of the vibration mass (60). The at least two resonators (10, 11, 12) are suspended in an elastically movable manner relative to the substrate in the z-direction (1000). The actuatable electrode arrangement (30) is designed to resonate each of the at least two resonators (10, 11, 12) in order to generate a mechanical resonant vibration and to capacitively detect an interference variable dependent on at least one resonant frequency of the resonant vibration. The invention also relates to a method for compensating for systematic measurement deviations of a MEMS sensor (100).
Owner:ROBERT BOSCH GMBH

Kick structure of isolating switch and isolating switch

The invention belongs to the field of low-voltage switches, and particularly relates to a kick structure of an isolating switch and the isolating switch, and the kick structure comprises a shell assembly, a kick piece, a linkage piece, an energy-gathering elastic piece, a closing limiting piece and an opening limiting piece. Different from rotary motion of a kick piece and a linkage piece in an existing conventional kick mechanism, the kick piece and the linkage piece of the kick mechanism do linear motion, the energy-gathering elastic piece adopts a pressure spring limited between the kick piece and the linkage piece, and the energy-gathering elastic piece can only do telescopic motion in the first direction X to store / release energy; the opening limiting piece or the closing limiting piece limits the kick piece so that the kick piece can not move to the opening position or the closing position, and the linkage piece moves relative to the kick piece to drive the energy-gathering elastic piece to compress and store energy and moves until the linkage piece pushes the opening limiting piece or the closing limiting piece to unlock. The kick piece quickly acts to the opening position or the closing position under the energy release of the energy-gathered elastic piece, the action is reliable, and the overall size is small.
Owner:KEDU ELECTRIC CO LTD

Energy storage mechanism for state-switching operation of electrical control system

The present invention relates to an energy storage mechanism for a state-switching operation of an electrical control system. The energy storage mechanism comprises: a housing; an operation assembly, which comprises an energy storage element; an actuating member, which is connected to an electrical control system state-switching unit; a locking assembly; and an unlocking assembly. The energy storage element is connected to the operation assembly and the actuating member, and by means of changing the relative positions of the operation assembly and the actuating member, the energy storage element stores energy; the operation assembly can be connected to the actuating member by means of the locking assembly to be in a locked state; the operation assembly is then driven to move in an opposite direction, and drives the actuating member to move in the same direction, such that the actuating member drives the position state of the electrical control system state-switching unit to change; the unlocking assembly can release the locked state between the operation assembly and the actuating member after receiving a trigger signal; and the actuating member is driven by energy released from the energy storage element to move, such that the position state of the electrical control system state-switching unit is driven to change again. The present invention can complete free tripping and opening, and can realize free tripping.
Owner:BEIJING GUANGHUA SHITONG TECH

Isolating switch closing energy storage mechanism and isolating switch

The present invention relates to the technical field of low-voltage electric appliances. Disclosed are an isolating switch closing energy storage mechanism and an isolating switch. The isolating switch closing energy storage mechanism comprises a contact carrier, a contact bridge, an elastic member and an energy storage structure. The contact carrier is slidably assembled in a housing. The contact bridge is movably assembled on the contact carrier. The elastic member is connected to the contact bridge and the contact carrier, and the elastic member is used for driving moving contacts on the contact bridge to move towards fixed contacts. The energy storage structure is used for enabling, when the contact carrier drives the moving contacts on the contact bridge to move towards the fixed contacts, the elastic member to first store energy and then release energy. The energy released by the elastic member can drive the moving contacts to quickly contact the fixed contacts, so that the generation of contact arcs can be reduced, and the contact resistance and temperature between the moving contacts and the fixed contacts can be effectively reduced. Therefore, the degree of contact ablation and wear is reduced, and the electrical life performance of the isolating switch is improved.
Owner:ZHEJIANG CHINT ELECTRIC CO LTD

Optical probe and method for its manufacture

The invention relates to an optical probe (1) which is designed for optical coupling to at least one micro-optical component (50) and to a method for its production, wherein the optical probe (1) comprises: - a probe head (10); - at least one micro-optical element (20) having a mechanical connection to the probe head (10) and configured to establish an optical coupling to the at least one micro-optical component (50); and - at least one sensor structure (21) separate from the at least one micro-optical element (20) and configured to generate a sensor signal (40) indicating a positioning of the probe head (10) relative to an object (100).
Owner:KEYSTONE PHOTONICS GMBH

Microelectromechanical actuator structure, component

The invention relates to a microelectromechanical actuator structure comprising a microelectromechanical chip with a chip frame and a drive structure. The drive structure comprises a dopable material. The drive structure includes a first drive unit and a second drive unit. The first drive unit comprises a first substrate and a first electrode structure. The first substrate has a first doping. The first electrode structure has a doping inverse to the first doping. The second drive unit comprises a second substrate and a second electrode structure. The second substrate has a second doping. The second electrode structure has a doping inverse to the second doping. Thus, a pn junction is formed between each of the substrates and the second electrode structures. The first electrode structure comprises at least two first electrodes.The second electrode structure has at least one second electrode. The first electrodes are arranged horizontally next to each other in a first electrode plane. The second electrode is arranged horizontally in a second electrode plane.
Owner:ROBERT BOSCH GMBH

FLUID MODULE AND METHOD FOR PRODUCE SPATIALLY SEPARATED LIQUID PARTITIONS

Fluidic module and method for generating spatially separated liquid partitions in an array of wells formed in a surface. The method comprises the provision and rotation of the fluidic module. The fluidic module includes a fluid chamber comprising the surface in which the array of wells is formed. The fluidic module is rotated about a center of rotation to exert a centrifugal force on a liquid, thereby introducing the liquid into the fluid chamber and transporting at least a portion of the liquid from radially outside to radially inside across the array of wells. The method further comprises the removal of liquid from areas of the surface outside the wells to generate the spatially separated liquid partitions within the wells.
Owner:HAHN SCHICKARD GESELLSCHAFT FUR ANGEWANDTE FORSCHUNG EV

Element for use in a micro-electro-mechanical system and micro-electro-mechanical system

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).
Owner:CARL ZEISS SMT GMBH

Micro-electro-mechanically movable element and system

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.
Owner:CARL ZEISS SMT GMBH

Snap switch

The present invention relates to a snap switch (100) with a housing (1), an actuating plunger (2) having two switching positions and two contact bridges (31, 32) for electrically connecting two pairs of fixed contacts (21, 22; 23, 24), wherein in the first switching position the first pair of fixed contacts (21, 22) and in the second switching position the second pair of fixed contacts (23, 24) is connected, and with snap springs (8, 9) which are supported on an actuating element (3) and the actuating plunger (2) in a substantially symmetrical manner under preload, the lines of action of which are displaceable by the actuating element (3) such that the actuating plunger (2) can be snapped, wherein the snap switch (100) further comprises a positive opening arrangement, wherein the two contact bridges (31, 32) each have at least two contact points (17, 18, 19) at one end and at the other end. 20) for electrically parallel contacting of the first pair of fixed contacts (21, 22) respectively.of the second pair of fixed contacts (23, 24), wherein each of the contact points (17, 18, 19, 20) is designed to fully switch a rated electrical power of the snap switch (100), and the actuating plunger (2) has a first stop (41) in the closing direction of the first pair of fixed contacts (21, 22) and a second stop (42) in the closing direction of the second pair of fixed contacts (23, 24), wherein the stops (41, 42) in conjunction with a first counter-stop (51) and a second counter-stop (52) respectively limit a movement of the actuating plunger (2) in the closing direction of the first pair of fixed contacts (21, 22) and of the second pair of fixed contacts (23, 24).
Owner:SCHALTBAU GMBH

Rotation rate sensor with a micromechanical structure and method for operating a rotation rate sensor

A gyroscope with a micromechanical structure and a mass oscillator is proposed, wherein the mass oscillator can be driven to a drive oscillation by means of a drive device, wherein the gyroscope is configured to protect the micromechanical structure and during a time interval of a detected free-fall situation such that a reduction in the amplitude of the drive oscillation is achieved, wherein the free-fall situation is signaled by means of a free-fall signal supplied to the gyroscope, wherein the gyroscope is further configured such that - following the reception of a further free-fall signal signaling the end of the free-fall situation - the drive device drives the mass oscillator back to its operational drive oscillation.where the reduction in the amplitude of the drive oscillation is achieved faster than would correspond to a mere decay process of the drive oscillation of the mass oscillator.
Owner:ROBERT BOSCH GMBH

Spring energy storage control method of circuit breaker, storage medium and equipment

The embodiment of the invention discloses a spring energy storage control method of a circuit breaker, a storage medium and equipment, and the method comprises the steps: obtaining the current deviation and the current deviation change rate of the spring energy storage of a spring of a target circuit breaker, and then obtaining the current deviation of the spring energy storage of the spring of the target circuit breaker according to the current deviation and the current deviation change rate; and determining a proportion variation, an integral variation and a differential variation according to the current deviation and the current deviation change rate and a preset fuzzy rule table, adjusting a proportion coefficient, an integral coefficient and a differential coefficient in the PI D controller according to the proportion variation, the integral variation and the differential variation, and inputting the current deviation and the current deviation change rate into the adjusted PI D controller. And finally, motor driving is controlled according to the control signal output by the adjusted PI D controller, so that the motor adjusts the compression displacement of the spring. The fuzzy PI D control is introduced to realize the intelligent control of the spring energy storage of the high-voltage circuit breaker, and the opening and closing faults caused by the reduction of the spring energy storage can be effectively avoided.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Circuit breaker conversion signal assembly

A circuit breaker conversion signal assembly belongs to the technical field of low-voltage apparatuses. The circuit breaker comprises a shell and a rotating shaft which is arranged in the shell and enables the circuit breaker to be connected or disconnected, and the signal conversion assembly comprises a signal sampling assembly used for converting connection and disconnection signals of the circuit breaker and a transmission assembly arranged between the rotating shaft and the signal sampling assembly. When the rotating shaft rotates, the transmission assembly is pushed to enable the signal sampling assembly to act so as to achieve signal switching, and the signal switching device is characterized in that the transmission assembly comprises a transmission piece and a reset spring, and the reset spring is arranged between the transmission piece and the shell and used for resetting the transmission piece. The device has the advantages that reliable reset of the transmission part is achieved through counter force provided by the reset spring, and the device is ingenious in arrangement, simple and easy to implement.
Owner:CHANGSHU SWITCHGEAR MFG CO LTD (FORMER CHANGSHU SWITCHGEAR PLANT)

Snap-action switch

The present invention relates to a snap-action switch (100) comprising a housing (1), an actuation plunger (2) with two switching positions and with at least one contact bridge (31, 32) for electrically connecting at least one first pair of fixed contacts (23, 24) in a switching position and with snap-action springs (8, 9), which are preloaded and are supported substantially symmetrically on an actuation element (3) and the actuation plunger (2) and which have lines of action that can be shifted by the actuation element (3) in such a way that the actuation plunger (2) can be snapped from a first switching position, in which the actuation plunger (2) is substantially in a resting position, into a second switching position, in which the actuation plunger (2) is substantially in the actuation position, wherein the snap-action switch (100) also has a forced-opening assembly with which a switching at least from the first into the second switching position is imposed on the actuation element (3) when a forced-opening force is exceeded, wherein the at least one contact bridge (31, 32) has two respective contact points (17, 18, 19, 20) at one end and the other end for the electrically parallel contacting of the first pair of fixed contacts (23, 24), wherein each of the contact points (17, 18, 19, 20) is designed in such a way as to entirely switch an electrical rated power of the snap-action switch (100), and the actuation plunger (2), at least in the first direction of closing of the first pair of fixed contacts (23, 24), has at least one first stop (41) (where in Figure 3), which interacts with a first counter-stop (51) to limit a movement of the actuation plunger (2) in the direction of closing of the first pair of fixed contacts (23, 24).
Owner:SCHALTBAU GMBH

Magnet switch

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.
Owner:YUEQING WEIXIN ELECTRONICS CO LTD

Microreactor

This microreactor (10) is provided with: an outer member (11) having a tapered inner peripheral surface (16b); an inner member (12) having a tapered outer peripheral surface (17c); and a gap adjustment part (13) capable of adjusting the gap distance (L) between the tapered inner peripheral surface (16b) and the tapered outer peripheral surface (17c) by moving the outer member (11) and the inner member (12) relative to each other in the vertical direction, the relative rotation of the outer member (11) and the inner member (12) being restricted, and the gap adjustment part (13) being capable of adjusting the gap distance (L) between the tapered inner peripheral surface (16b) and the tapered outer peripheral surface (17c) between the inner peripheral surface (16) of the outer member (11) and the outer peripheral surface (17) of the inner member (12). A flow path (40) through which an object to be processed flows from bottom to top is defined, a region defined by a tapered inner peripheral surface (16b) and a tapered outer peripheral surface (17c) in the flow path (40) functions as a processing region (40a) for processing the object to be processed, and apex angles ([theta] 1, [theta] 2) of the tapered inner peripheral surface (16b) and the tapered outer peripheral surface (17c) are set to mutually identical angles of 5-120 degrees inclusive.
Owner:M TECH CO LTD

Electric isolation mechanism for environment-friendly cabinet

The utility model discloses an electric isolation mechanism for an environment-friendly cabinet, which comprises a rack, an isolation operation shaft and a transmission main shaft are rotatably arranged on the rack, the isolation operation shaft is in transmission connection with the transmission main shaft, a driving motor is arranged on the rack, an output end of the driving motor is connected with a driving gear, and the driving gear is connected with an output end of the isolation operation shaft. A driving gear is arranged on the isolation operation shaft, a transmission disc is arranged on the isolation operation shaft in the circumferential direction, a driven gear is arranged outside the transmission disc in a sleeving mode, the driven gear is meshed with the driving gear, two wedge-shaped grooves with opposite directions are formed in the contact face of the driven gear and the transmission disc, a pawl is arranged on the transmission disc in a swinging mode, and abutting steps are arranged at the two ends of the pawl respectively. A permanent magnet is arranged at the position, abutting against the step, of the pawl, and a limiting protruding column is arranged on the end face of the rack. The device is simple in structure, reasonable in layout, reliable in transmission and convenient to use, and the electric structure does not affect assembly of an original structure.
Owner:WENZHOU XINJI DIANQI CO LTD

Switch assembly and vehicle

The utility model discloses a switch assembly and a vehicle, the switch assembly comprises a shell, a microswitch, a switch cap and an elastic piece, and the shell is provided with an accommodating cavity; the microswitch is arranged in the accommodating cavity; the switch cap is movably arranged on the shell, the elastic piece is located between the microswitch and the switch cap, and the elastic stroke of the elastic piece is larger than the trigger stroke between the switch cap and the microswitch. Therefore, by optimizing the relative position and stroke relation among the switch cap, the microswitch and the elastic piece, the size difference between the motion stroke of the switch cap and the trigger stroke between the switch cap and the microswitch can be increased, and therefore it can be ensured that when the switch cap is subjected to unintentional operation, the switch cap is not prone to being damaged. The microswitch cannot be triggered by mistake due to the fact that the triggering stroke of the microswitch is close to the movement stroke of the switch cap or the force value needed by operation of the switch cap is too small, and the operation accuracy, the working reliability and the safety of the switch assembly can be effectively improved.
Owner:BEIJING ELECTRIC VEHICLE

Switching unit

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).
Owner:SIGNATA GMBH

A magnetically controlled micro-nano robot and its manufacturing method and use

The present invention belongs to the technical field of micro-nano robots, and in particular to a magnetically controlled micro-nano robot and a manufacturing method and use thereof. The manufacturing method of the magnetically controlled micro-nano robot comprises the following steps: coating a magnetic material dispersion solution on the surface of a substrate to form a magnetic layer; the magnetic material dispersion solution is Fe 3 O 4 A γ-butyrolactone (GBL) solution is prepared; a photoresist is coated on the surface of the magnetic layer, and photolithography is performed to obtain a magnetically controlled micro-nano robot. The manufacturing method of the present invention does not require the use of expensive large-scale high-end complex equipment, and is easy to operate. The obtained magnetically controlled micro-nano robot can move rapidly and directional under the action of a magnetic field.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Energy storage mechanism for power conversion switch

The present invention discloses an energy storage mechanism applied to a power conversion switch, comprising an operating shaft and an L-shaped base formed by connecting a vertical part and a horizontal part, wherein the horizontal part extends upward with at least two parallel support plates, and the operating shaft is fixedly connected with a crank arm; an upper through hole is provided on the upper part of a pressure rod, and a lower through hole is provided on the lower part, wherein the upper through hole is a circular hole, and the lower through hole is a long strip through hole distributed along the length direction of the pressure rod, an upper connecting hole is provided on one end of the crank arm, and a lower connecting hole is provided on each support plate, an upper connecting pin passes through the upper connecting hole and the upper through hole so that the upper part of the pressure rod is hinged with the crank arm, a lower connecting pin passes through the lower connecting hole and the lower through hole so that the lower part of the pressure rod is between the two support plates, a compression spring is sleeved on the middle part of the pressure rod, and a shoulder is provided on the upper part of the pressure rod, and the shoulder presses the upper end of the compression spring, and the lower end of the compression spring rests on the upper end surfaces of the two support plates. The present invention can effectively improve the reliability of work and facilitate modular design and installation.
Owner:BOFARUI ELECTRIC (XIAMEN) CO LTD

METHOD FOR PRODUCE AN ARRANGEMENT OF AT LEAST TWO ION TRAP CHIPS AND ARRANGEMENT

A method for manufacturing an arrangement (1) of at least two ion trap chips is disclosed, comprising a first ion trap chip (25) and a second ion trap chip (26), with - Providing a support (2) with a first main surface (5) with a first area (3) and a second area (4), - Arranging a first transparent layer (22) on which the first ion trap chip (25) is arranged, on the first area (3), - Providing a second transparent layer (23) on which the second ion trap chip (26) is arranged in the second area (4), - Aligning the first ion chip and the second ion chip in a vertical direction such that the principal extension planes of the first ion chip and the second ion chip extend within a common plane (27) extending in lateral directions, - Providing a spacer layer (12) with a predetermined thickness in the vertical direction depending on the orientation, - Arranging the spacer layer (12) on the second area (4), - Arrange the second transparent layer (23) on the spacer layer (12) such that the principal extension planes of the first ion trap chip (25) and the second ion trap chip (26) extend within the common plane (27). Furthermore, an arrangement (1) is specified.
Owner:ELEQTRON GMBH

Electrical counter based on super-smooth homojunction interface and counting method

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.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN +1

MEMS devices and methods for their manufacture

Device with a microelectromechanical system (MEMS) comprising the following: a first record (101), a second plate (105) which is arranged above the first plate (101), a first movable plate (102) arranged between the first plate (101) and the second plate (105), and a second movable plate (103) arranged between the first movable plate (102) and the second plate (105), the MEMS device comprising a first input / output node coupled to the first plate (101), a second input / output node coupled to the second plate (105), a third input / output node coupled to the first movable plate (102), and a fourth input / output node coupled to the second movable plate (103), wherein the first input / output node is different from the second input / output node, and wherein the third input / output node is different from the fourth input / output node, wherein the first movable plate (102) is rigidly coupled to the second movable plate (103), wherein the first movable plate (102) is designedto be shielded from capacitive coupling with the second movable plate (103).
Owner:INFINEON TECHNOLOGIES AG

CIRCUIT BREAKER

Owner:ELLENBERGER & POENSGEN GMBH

Quick isolating switch

The utility model discloses a rapid disconnecting switch, which is provided with an outer shell (1), a rotary knob (2) is arranged on the outer shell (1), the rotary knob (2) is connected with a driving shaft (14), the driving shaft (14) is further connected with a rotating disc (6), and a limiting assembly capable of limiting the rotation of the rotating disc (6) is arranged in the outer shell (1). A protrusion (7) is arranged on the outer side wall of the rotating disc (6) in an extending mode, the rotating disc (6) is located in the rotating sleeve (5), an opening (11) is formed in the outer side wall of the rotating sleeve (5), an inward shrinkage part (8) is arranged at the position, corresponding to the opening (11), of the rotating sleeve (5), the protrusion (7) can be clamped into the opening (11) to achieve limiting of the rotating sleeve (5), and a torsional spring (16) is arranged between the rotating disc (6) and the rotating sleeve (5). And the rotating sleeve (5) is connected with the moving contact disc assembly (17). The switch is simple in structure, and can drive the moving contact disc assembly to rotate rapidly, thereby achieving the rapid connection and disconnection of a power supply, and improving the stability and safety.
Owner:ZHEJIANG SINGI ELECTRICAL LLC

Temperature-dependent switch

Temperature-dependent switch (10) comprising a first and a second stationary contact (48, 50) and at least one temperature-dependent switching mechanism (14) with a movable contact element (40), wherein the at least one switching mechanism (14) in its first switching position presses the contact element (40) against the first contact (48) and thereby establishes an electrically conductive connection between the two contacts (48, 50) via the contact element (40) and in its second switching position holds the contact element (40) at a distance from the first contact (48), wherein the at least one temperature-dependent switching mechanism (14) comprises a first temperature-dependent snap element (30),the switch (10) snaps from its geometric low-temperature configuration to its geometric high-temperature configuration when a first switching temperature is exceeded and snaps back from its geometric high-temperature configuration to its geometric low-temperature configuration when a first re-switching temperature is subsequently undershot, wherein the switch (10) further comprises a second temperature-dependent snap element (44) which snaps from its geometric low-temperature configuration to its geometric high-temperature configuration when a second switching temperature is exceeded and snaps back from its geometric high-temperature configuration to its geometric low-temperature configuration when a second re-switching temperature is subsequently undershot.and wherein a snapping of the first snapping element (30) from its low-temperature geometric configuration to its high-temperature geometric configuration and / or a snapping of the second snapping element (44) from its low-temperature geometric configuration to its high-temperature geometric configuration brings the at least one switching mechanism (14) from its first switching position to its second switching position, wherein the second reset temperature is lower than the first reset temperature and the second snapping element (44) is configured to keep the contact element (40) spaced apart from the first contact (48) even when the switch (10) heats up above the first and second switching temperatures and subsequently cools down to a temperature between the first and second reset temperatures, and wherein the second switching temperature is equal to or higher than the first switching temperature.
Owner:HOFSAESS MARCEL P

Quick-acting switch

The invention relates to a snap-action switch (100), comprising a housing (1) and an actuating lever (2) having two switching positions, having at least one contact bridge (31, 32) for electrically connecting at least one first contact pair (23, 24) in the switching position and snap-action springs (8, 9) which are supported in a pretensioned manner substantially symmetrically on an actuating element (3) and the actuating lever (2), the line of action of the snap spring can be moved by the actuating element (3) such that the actuating lever (2) can be quickly switched from a first switching position, in which the actuating lever (2) is substantially in the rest position, to a second switching position, in which the actuating lever (2) is substantially in the actuated position, and wherein the snap switch (100) further comprises a forced opening device by which the actuating lever (2) can be quickly switched from the first switching position to the second switching position, by which the actuating lever (2) is substantially in the actuated position, when a forced opening force is exceeded. The forcible actuation lever (3) is switched at least from a first switching position into a second switching position, the at least one contact bridge (31, 32) having at least two contact points (17, 18, 19, 20) at one end and at the other end for electrically contacting the first contact pair (23, 24) in parallel, each contact point (17, 18, 19, 20) being designed to completely switch the nominal electrical power of the snap-action switch (100).
Owner:SCHALTBAU GMBH