110results about How to "Reliable disconnection" patented technology

The invention discloses an intelligent control module of a permanent magnet contactor, which mainly comprises a microprocessor, a rectifier and filter, an internal working power circuit, a rechargeable battery control circuit, a closing operation module, an opening operation module, an energy-storage capacitor voltage detection circuit, a control voltage detection circuit, a power off detection circuit, and a key-press setting and display control circuit; wherein, the closing operation module consists of a first MOSFET driving protection circuit and a first MOSFET; and the opening operation module consists of a second MOSFET driving protection circuit and a second MOSFET. The intelligent control module can set delay time parameters of transient interference electricity through key-presses according to requirements of a customer, realizes delay disconnection of the permanent magnet contactor and can ensure the stable and continuous operation of equipment through staying away from influences of interference electricity; and as for conditions of requiring urgent opening operation, the intelligent control module can immediately cut off the contactor through key-press control, so as to ensure the safety of the operating equipment.

A steering control apparatus includes a direct current power source, a three-phase alternating current motor, and a motor driving circuit. An emergency switching element is provided on at least two phases of a three-phase power supply line connected to the three-phase alternating current motor within the motor driving circuit, and the emergency switching element is turned off when an abnormality occurs such that the motor driving circuit is disconnected from the three-phase alternating current motor. The emergency switching element is a MOSFET, and the MOSFETs are provided in pairs in each of the two phases of the three-phase power supply line. Further, parasitic diodes of the pairs of MOSFETs are disposed in opposite orientations to each other.

In a steering control unit, a U-phase feed line branches into paired branch feed lines, phase-open MOSFETs are provided in middle portions of the branch feed lines, phase-open MOSFETs are provided in middle portions of a V-phase feed line and a W-phase feed line, and the phase-open MOSFETs are arranged in such a manner that parasitic diodes are in the same orientation with respect to a motor. When an abnormality occurs, all the phase-open MOSFETs are turned off. Then, a closed circuit, which includes phase coils and through which electric currents flow, is no longer present.

The invention discloses a cutting device for missile stage separation. The cutting device comprises a shield (1), a rubber shield (2), a cutting rope (3) and exploders (4); the inner edge, which is in contact with the rubber shield (2), of the cutting rope (3) is of a U-shaped structure, the outer edge of the cutting rope (3) is of a V-shaped structure, the opening of which is outward, the two structures are closed to form an annular closed cavity, and explosive is loaded in the cavity; the shield (1) is in contact with the rubber shield (2) to wrap the rubber shield (2) and the cutting rope (3); the inner edge of the shield (1) is provided with four grooves (11), which are evenly distributed at the interval of 90 degrees, and a mounting hole (12) which is connected with the cavity is formed in each groove (11) in order to mount and fix one of the exploders (4); detonating cables (5) are connected with detonation signal cables (8) through steering engine plug connectors, so that a signal can be transmitted to detonate the cables. The cutting device has the advantages of stable connection, high detonation synchronism, low destructiveness and full cutting when being used for missile stage separation.

In sophisticated semiconductor devices, a contact structure may be formed on the basis of a void positioned between closely spaced transistor elements wherein disadvantageous metal migration along the void may be suppressed by sealing the voids after etching a contact opening and prior to filling in the contact metal. Consequently, significant yield losses may be avoided in well-established dual stress liner approaches while, at the same time, superior device performance may be achieved.

A twin clutch device wherein a second clutch is arranged coaxially and radially inside of a first clutch outer which forms an annular plate portion. One clutch inners of both clutches is arranged between a clutch member which constitutes a portion of the outer of the first and second clutches and an annular plate portion. Lifter pins have axes arranged parallel to a rotary axis of first and second clutches and axially movably penetrate both clutch inners to bring one ends thereof into contact with pressure plates. First and second drive control members are capable of applying control forces to disconnect the first and second clutches against spring forces of first and second clutch springs. A second clutch outer is rotated together with the first clutch outer and is arranged coaxially with the first clutch. A pair of clutch outers are connected in a relatively non-rotatable manner with each other.

The invention relates to a regulating device (1) for a motor, comprising a housing (2) which can be associated with said motor and in which a control unit (5) and an actuator (6) are arranged. Due to heat-related reasons, said device can only be used in an encapsulated manner, for example close to a motor. In order to solve this problem, the actuator (6) comprises an electromagnetic switching element (8a,8b) and the control signal (7) for the same is designed as a timing signal which is measured—taking into consideration at least one heat source inside or optionally outside the housing (2)—in such a way that the operating temperature of the electromagnetic switching element (8a,8b) is below an upper authorised limiting value.

In a steering control unit, a U-phase feed line branches into paired branch feed lines, phase-open MOSFETs are provided in middle portions of the branch feed lines, phase-open MOSFETs are provided in middle portions of a V-phase feed line and a W-phase feed line, and the phase-open MOSFETs are arranged in such a manner that parasitic diodes are in the same orientation with respect to a motor. When an abnormality occurs, all the phase-open MOSFETs are turned off. Then, a closed circuit, which includes phase coils and through which electric currents flow, is no longer present.

The invention provides a switch cabinet comprising a bus room, an instrument room, a mechanism room, a cable room, a switch room and a pressure-releasing channel. The front cabinet of the switch cabinet is formed by the instrument room, the mechanism room and the cable room. The rear cabinet of the switch cabinet is formed by the bus room, the switch room and the pressure-releasing channel. The switch room is internally provided with, from the top to the bottom in turn, an upper inlet wire insulator group, a circuit breaker assembly, a grounding switch and a lower outlet wire insulator group. Function room areas in the front cabinet and the rear cabinet are distributed in a step way. The circuit breaker assembly comprises a supporting frame, a circuit breaker, an operation member and a sealing member. When the circuit breaker assembly is arranged in the switch cabinet, the switch room is sealed by the sealing member. The circuit breaker assembly can be moved out of the switch room and the mechanism room by the supporting frame to be detected and maintained. The switch cabinet has advantages of a fixed cabinet, a mid-arranged type handcart cabinet and an inflation cabinet, integral units and buses are designed in a modularized way, and installation and maintenance are safe and simple.

A can container, wherein an easily breakable part broken when an internal pressure in the can container abnormally rises and the can container is deformed so that a dome part is projected to the outside of the can container is formed on the outer surface side of the dome part positioned just near the outer peripheral edge part of the dome part continued to caulking parts. For example, when the internal pressure in the can container is abnormally raised by heating, and the dome part is inverted from the outer peripheral edge part of the dome part of a bottom cover and deformed so as to be projected to the outside of the can container, the easily breakable part is broken, and the contents in the can container is released from the can container. Thus, even if the internal pressure abnormally rises, degassing can be performed without allowing a part of the can container to be blown off.

A storage system in which a plurality of storage devices are connected by a pair of loops, disconnects a faulty storage device. The faulty storage device is disconnected from said loops by using, in conjunction, a first disconnect mode, in which a disconnect instruction is issued to a device control unit via a first path which connects controllers and device control units, and a second disconnect mode, in which a disconnect instruction is issued to a device control unit via a second path which connects loops connecting the plurality of storage devices, storage devices, and device control units. Even when a pair of connection ports of a storage device is abnormal, and even when the first path is abnormal, the faulty storage device can be disconnected reliably.

A control rod / fuel support handling apparatus that is used in the case where a control rod and a fuel support are held, removed and lifted in a reactor and then are transported into the reactor in a periodical inspection of a BWR and in the case where the control rod and the fuel support are attached and mounted again into the reactor, the control rod / fuel support handling apparatus including: a fuel support gripper that holds the fuel support with a support gripping member; a control rod gripper that includes a vertically movable and rotatable elevating / rotating unit, holds the control rod with a control rod gripping member, disconnects and connects the control rod and a control rod drive mechanism, and allows removal and attachment of the control rod; and a control panel that controls automatically controls the control rod gripper in response to the instructions from an operation pendant.

The invention provides a control method for quickly changing. The control method is applied to a vehicle-mounted system and comprises the following steps of receiving ground charging allowing information transmitted by a ground charging station control system, transmitting a pantograph ascending instruction and controlling a current collector to ascend; after the pantograph of the current collector ascends to be in place, controlling a charging contactor of a vehicle to be closed, and transmitting vehicle-mounted charging allowing information to the ground charging station control system; and after the charging is finished, transmitting a pantograph descending instruction, controlling the current collector to descend, and transmitting vehicle-mounted charging prohibiting information to the ground charging station control system. Likewise, the invention also provides a control method for quickly charging applied to the ground charging station control system, the vehicle-mounted system and the ground charging station control system. According to the control method, the vehicle-mounted system and the ground charging station control system provided by the invention, the problems that a heavy-current discharge arc is generated at the moment of charging or outage, so that a current collecting contact part is damaged, the service life of the current collecting contact part is shortened and potential safety hazards exist are solved.

An engine intake system is provided with a controller for calculating an idling intake air quantity on the basis of an air flow rate measured by an airflow meter and determining disconnection of a blow-by gas return tube in a case where a value obtained by subtracting the idling intake air quantity from a stored normal intake air quantity exceeds a threshold.

The invention provides a lock releasing mechanism of a residual current operated circuit breaker. The lock releasing mechanism comprises a shell, a handle, a handle torsion spring, a test button and a linkage sheet. The handle is provided with a limit bump; the test button is provided with a stop bump; the linkage sheet is arranged between the handle and the handle torsion spring and comprises a body, a centre hole, a groove, a force transfer bump and a track; the track of the linkage sheet is positioned in the body of the linkage sheet and comprises an inner side part close to the centre hole and an outer side part positioned on the radial outer side of the inner side part; and a circumferential spacer is arranged between the inner side start end surface of the inner side part and the outer side start end surface of the outer side part. The lock releasing mechanism enables the handle to be instantaneously locked at the position required by the design while ensuring reliable disconnection of a contact by controlling the motion state of the handle, and avoids hurt to fingers of an operator caused by handle resilience during leakage test.

The invention discloses a vehicle storage battery safety device, comprising a rigid shell and an outage mechanism arranged in the shell; the outage mechanism comprises an electromagnetic coil capable of connecting with a vehicle safety airbag control unit, a static contact and a moving contact; the static contact is arranged at one end of a fixing post; the moving contact is arranged at the opposite end of a moving post of which the other end is glidingly arranged in a center hole of an opening iron core of the electromagnetic coil; a round armature plate is arranged in the middle of the moving post; an elastic check bowl is arranged in the middle of the shell and is provided with elastic fingers in annular distribution and inclined to one side of the electromagnetic coil; the dangling end of each elastic finger forms an armature hole of which the diameter is smaller than the armature plate. The vehicle storage battery safety device effectively solves the problems of low reliability and slow reaction speed of a vehicle collision outage protection device in the prior art, and the vehicle storage battery safety device is simple in structure, high in reliability, fast in action speed and has very high practical value.

The present invention relates to a contactless connector system having a power transmitting connector (102) has a primary sided inductive coupling element (L p ) and a resonant circuit (110) for generating a magnetic field at said primary sided inductive coupling element (L p ) from an input power. A power receiving connector (104) that is mateable with said power transmitting connector (102) has a secondary sided inductive coupling element (L s ) that is operable to receive electric power when being electromagnetically coupled with said primary sided inductive coupling element (L p ). A bi-directional data link is formed between said transmitting and receiving connectors (102, 104). A secondary sided sensing unit (136) is operable to measure at least one secondary sided operational parameter, and the operation of said resonant circuit (110) is controlled in response to a combination of said at least one secondary sided operational parameter and at least one primary sided operational parameter.

The invention provides a sealed type switch cabinet. The sealed type switch cabinet comprises a bus chamber, an instrument chamber, a mechanism chamber, a cable chamber, a switch chamber and a pressure release channel. The instrument chamber, the mechanism chamber and the cable chamber constitute a front cabinet of the sealed type switch cabinet; the bus chamber, the switch chamber and the pressure release channel constitute a rear cabinet of the sealed type switch cabinet; the switch cabinet is successively provided with an upper wire inlet insulator set, a breaker assembly, a grounding switch and a lower wire outlet insulator set from the top to the bottom; each function chamber in the front cabinet and the rear cabinet are distributed in a stepped mode; the breaker assembly comprises a support, a breaker, an operation member and a sealing member; when the breaker assembly is disposed in the sealed type switch cabinet, the sealing member encloses the switch chamber; and the support can remove the breaker assembly out of the switch chamber and the mechanism chamber for detection and maintenance. The sealed type switch cabinet has the advantages of a fixation cabinet, a built-in handcart cabinet and an inflation cabinet, modularization design of an overall unit and a bus is realized, and the installation and maintenance are safe and simple.

The invention broadly provides improved safety features for batteries utilized in electronic devices. The invention provides an improved CID design that allows for more reliable disconnection (breaking the electrical circuit) during abnormal pressure or temperature events inside the cell. The invention provides a multi-layered CID configured to force electric current through a thin, fragile element such that the thin, fragile element is broken upon any abnormal pressure and temperature event.

The invention relates to an electrical contact device (1), in particular an emergency stop switch-contact device, comprising a first switch contact unit (4) for creating or disconnecting an electrically conductive connection and a second switch contact unit (5) for creating or disconnecting an electrically conductive connection, wherein a first contact side (6) of the first switch contact unit is connected to a first contact side (9) of the second switch contact unit, and a second contact side (7) of the first switch contact unit is connected to a first connection contact (15) of the contact device and a second contact side (10) of the second switch contact unit is connected to a second connection contact (17) of the contact device, and wherein the two switch contact units are designed to be actuated by a movable push rod (3) acting thereon, characterised in that the two connection contacts are arranged, in relation to the push rod, opposite each other on the contact device and wherein the first and the second switch contact unit are arranged inside a mounting unit (3) that is provided for connection to an actuating device.

The invention discloses a system for a tank sloshing test by using an air-cushion floating technology, which comprises a horizontal excitation table, air cushions, an air floating table, a transfer tool device, a tank, a first force sensor, a pneumatic clutch, an excitation device, an excitation control system module, a data acquisition system module, an air floating control system module, second force sensors, and an acceleration sensor, wherein the horizontal excitation table and the air cushions are arranged at the bottom part of the air floating table; the horizontal excitation table is connected with four air cushions; the air floating table is aerated and then suspended at the upper part of the horizontal excitation table; the tank is arranged at the upper part of the air floating table through the transfer tool device and the four second force sensors; and the excitation device is connected with the air floating table through the pneumatic clutch and the first force sensor. The system can be applied to the sloshing test on the tank in different types and different specifications, the operation is simple, the reliability is strong, the cost is low and the structure is compact.

The invention relates to a method for protecting the actuator technology for a clutch actuation system, preferably for a motor vehicle, said actuator technology activating a self-engaging clutch (4) by electromotively moving a first plunger (18) of a master cylinder (13) of said clutch actuator technology, whereby a second plunger (16) of a slave cylinder (15) is driven along a hydrostatic path (14) in order to actuate the clutch (4) and a maximum distance travelled by the second plunger (16) is limited by a stop. In a method which safeguards against the clutch actuator technology being damaged by faulty operation, a non-durable stop is used and said stop is considered to have been actuated when the second plunger (16) has travelled a distance to the stop which is reduced by a predetermined distance value in relation to said mechanical stop, a maximum position of a hydrostatic clutch actuator (12) being defined in accordance with the distance travelled up to the stop.

The invention relates to the field of electric control technology, and particularly to an electromagnetic elevator limit switch device. The electromagnetic elevator limit switch device comprises the components of a small housing assembly, a housing assembly, a conversion assembly, a closing assembly and an electromagnet assembly. After the electromagnet assembly is energized, the electromagnet assembly transmits an acting force to a dynamic contact connecting rod for making a spring bear a force. The spring makes a dynamic contact silver nail on a dynamic contact connecting rod switch between an off state and an on state on a static contact silver nail on a contact pole, thereby realizing small stroke, high positioning precision and high control flexibility. The electromagnetic elevator limit switch device is advantageous in that the electromagnetic elevator limit switch device is composed of the small housing assembly, the housing assembly, the conversion assembly, the closing assembly and the electromagnet assembly; when the swing rod bears a force with a preset magnitude, the swing rod immediately drives the conversion assembly for switching between the off state and the on state on the small housing assembly of the switch; the housing assembly and the closing assembly realize necessary protection on the switch, thereby obtaining controllable integral safety, higher reliability in switching-on and switching-off, and improving closing performance and insulating performance.

A disconnection unit is configured for disconnecting a battery from a power system. A fuse is configured to interrupt a circuit between the battery and the power system. The fuse is integrated into the disconnection unit.

The invention relates to a physical separation type stroke control switch. The physical separation type stroke control switch comprises a shell and a button, wherein the shell is provided with an accommodating cavity, an insertion pin piece and an insertion hole piece are arranged in the accommodating cavity, a button installation hole which is communicated with the accommodating cavity is further formed in the shell, the button is arranged in the button installation hole in a penetrating mode, a socket insulator is further arranged in the cavity of the shell, the socket insulator is provided with an accommodating cavity, one end of the socket insulator is open, an insulating pressing plate is arranged at the position of the opening of the socket insulator, the insulating pressing plate is provided with an ejector rod through hole and two insertion pin through holes, and two guide rods are arranged in the cavity of the socket insulator. According to the physical separation type stroke control switch, reliable signal connection of a product within a certain stroke can be guaranteed, reliable signal disconnection can be achieved beyond the stroke, the insertion pin piece is guided by a guide pin of the socket insulator all the time during the whole stroke, and smooth connection and smooth disconnection of signals can be guaranteed.