Abstract: A device and method for monitoring operating status of an elevator system, a device and method for monitoring quality of power supply of a power grid, and a computer-readable storage medium on which a computer program for implementing the above methods is stored. A device for monitoring operating status of an elevator system, includes: a display unit; memory; a processor coupled with the memory; and a computer program stored on the memory and running on the processor, the running of the computer program causes: A. acquiring a two-dimensional coordinate transformation value of a three-phase current of a three-phase motor system; and B. displaying on the display unit a trajectory generated by the two-dimensional coordinate transformation value.

Abstract: A self-checking device and method for an elevator braking device and an elevator system. The self-checking device includes an inductance testing module configured to measure an electromagnetic brake coil inductance L of the braking device; and a processing module electrically connected to the inductance testing module, and storing a mathematical model of an air gap a between the movable plate and the static plate with respect to the brake coil inductance L in a brake state; the processing module is configured to execute a checking mode in the brake state of the braking device, and in the checking mode, the processing module receives a current inductance L0 measured by the inductance testing module, calculates a current air gap a0 based on the mathematical model stored, and determines a wear degree of the friction lining based on the current air gap a0 calculated.

Abstract: A fault detection method and device for elevator power equipment and an elevator system. The method includes acquiring running speed data of an actuator in the elevator power equipment, and using the corresponding running speed data when the elevator is at a first speed and within a preset duration as target data; obtaining time-domain signal data of acceleration by calculation according to the target data, obtaining frequency-domain signal data of acceleration by conversion according to the time-domain signal data; comparing peak frequencies that form waveform peaks in the frequency-domain signal data with characteristic frequencies of the elevator power equipment, and determining the elevator power equipment to be faulty when at least one first frequency is detected in the peak frequencies, wherein the first frequency matches one of the characteristic frequencies and the amplitude thereof exceeds a preset threshold.

Abstract: A fault monitoring device and method for elevator motor and computer-readable storage medium on which computer programs for implementing the method are stored. A fault monitoring device for an elevator motor, includes: a memory; a processor coupled with the memory; and a computer program stored on the memory and running on the processor, the running of the computer program causes: A. determining one or more components of a stator coil current at one or more characteristic frequencies from a measurement of the stator coil current of the elevator motor; and B. determining, based on the one or more components, whether a fault of turn-to-turn short circuit occurs in the stator coil.

Abstract: A brake device includes: a fixed member; a moving member which is movable between a retracted position in which the moving member is adjacent to the fixed member and separate from a braking member, and a braking position in which a friction plate of the moving member contacts the braking member and provides a braking force to the braking member; an elastic member connected between the moving member and the fixed member; a coil disposed in the fixed member; and a controller which provides an operating current to the coil when the elevator is in normal operation, wherein the controller is configured to implement a test mode in which the controller provides a test current less than the operating current to the coil and determines whether the moving member has been attracted to the retracted position.

Abstract: A vehicle includes a vehicle frame having a first frame rail and a second frame rail spaced from each other. The vehicle frame includes a cross-member extending from the first frame rail to the second frame rail. A battery enclosure extends from the first frame rail to the second frame rail. The battery enclosure includes a first side member and a second side member. The first side member is connected to and deformable relative to the first frame rail. The second side member is connected to and deformable relative to the second frame rail. The battery enclosure includes a reinforcement connected to the first side member, the second side member, and the cross-member.

Abstract: A smooth braking control method for an elevator, a smooth braking control device for an elevator, and an elevator brake. The elevator is provided with an elevator brake including a fixed part and a moving part, and in a first state, by driving the moving part to move toward an elevator power device so that a friction member in the moving part contacts the elevator power device, the elevator brake provides a braking force to stop an elevator car, and in a second state, by outputting an electromagnetic force from an electromagnetic member in the fixed part, the friction member is disengaged from the contact with the elevator power device.

Abstract: An elevator brake performance detection method includes controlling an input voltage or current of the electromagnetic member so that the elevator brake enters the braking state, and recording a corresponding current data trajectory of the electromagnetic member based on time characteristic; determining a first target point and a second target point in the current data trajectory according to the current data trajectory, the first target point and the second target point being a first peak point in the current data trajectory, and a start point at which the current value changes from decreasing to increasing in the current data trajectory, respectively; and calculating a time difference between the first target point and the second target point as a braking time of the elevator brake.

Abstract: A brake, a method for judging its state, a traction machine, and an elevator system. The traction machine and the elevator system include the brake. The brake includes a moving plate, and a fixed element having a fixed position relative to a base of the brake, and the brake further includes a first solenoid coil and a first ferromagnetic body; the first solenoid coil is disposed on one of the moving plate and the fixed element, the first ferromagnetic body is disposed on the other of the moving plate and the fixed element, a relative position of the first solenoid coil and the first ferromagnetic body is set such that the inductance of the first solenoid coil can change with the distance between the moving plate and the fixed element.

Abstract: An elevator brake wear detection method, an elevator brake wear detection device and an elevator brake. The elevator brake includes a fixed part with an electromagnetic member and a moving part with a friction member; in a first state, the elevator brake drives the moving part to move toward an elevator power device and contact the elevator power device through the friction member to provide a braking force to stop an elevator car, and in a second state, the elevator brake provides an electromagnetic force through the electromagnetic member to disengage the friction member from the contact with the elevator power device.

Abstract: A self-checking device and a self-checking method for an elevator brake device, as well as an elevator system. The self-checking device includes: a controller, which controls a voltage applied to an electromagnetic coil of the elevator brake device, and which is configured to: enable an elevator to enter a test mode; gradually increase the voltage applied to the electromagnetic coil of the brake device in a predetermined pattern when the brake device is in a braking state, or gradually decrease the voltage applied to the electromagnetic coil of the brake device in a predetermined pattern when the brake device is in a non-braking state; and a processor, which is configured to receive and record a first time t1 when a brake switch of the brake device is triggered, and determine whether the brake switch is in a proper position based on the first time t1.

Abstract: A vehicle includes a vehicle frame having first frame rail and a second frame rail spaced from each other. The vehicle frame includes a cross-member extending from the first frame rail to the second frame rail. A battery enclosure extends from the first frame rail to the second frame rail. The battery enclosure includes a first side member and a second side member. The first side member is connected to and deformable relative to the first frame rail. The second side member is connected to and deformable relative to the second frame rail. The battery enclosure includes a reinforcement connected to the first side member, the second side member, and the cross-member.

Abstract: Disclosed is a detection mechanism and a cutting apparatus having the same. The detection mechanism includes a main body fixedly mountable to a beam and being provided with a guide rail; a sliding assembly slidably arranged on the guide rail, where a bottom of the sliding assembly is provided with a first roller; a rotating assembly rotatably arranged on the sliding assembly, where a bottom of the rotating assembly is provided with a second roller, the rotating assembly is provided with a position restoration device configured to urge the rotating assembly toward an initial position, and the rotating assembly is rotatable to a first position by an end of a body ply and to a second position by a lapping joint of the body ply; and a position sensing assembly fixedly arranged on the sliding assembly and configured to identify position information of the rotating assembly.

Abstract: A brake device for an elevator system and a testing method thereof. The brake device includes: a fixed member; a moving member movable between a retracted position and a braking position so as to realize switching of the moving member between an attracting state and a braking state, respectively; an elastic member to provide elastic force tending to push the moving member toward the braking position; a coil configured to produce an electromagnetic force tending to drive the moving member to move toward the retracted position when energized; and a controller configured to control a change of a magnitude of the electromagnetic force produced by the coil in a process of testing the spring force of the elastic member, and to acquire corresponding information of the electrical signal for controlling the magnitude of the electromagnetic force when the moving member switches from the attracting state to the braking state.

Abstract: The present invention relates to location recognition and recovery of an elevator system, and belongs to the technical field of elevators. The elevator system of the present invention has a location recovery/recognition system comprising: a landing floor information component or a calling component, a sensing component arranged corresponding to each landing floor information component or calling component and coupled to the landing floor information component or calling component, and a trigger component mounted on the elevator car.

Abstract: A brake device includes: a fixed member; a moving member which is movable between a retracted position in which the moving member is adjacent to the fixed member and separate from a braking member, and a braking position in which a friction plate of the moving member contacts the braking member and provides a braking force to the braking member; an elastic member connected between the moving member and the fixed member; a coil disposed in the fixed member; and a controller which provides an operating current to the coil when the elevator is in normal operation, wherein the controller is configured to implement a test mode in which the controller provides a test current less than the operating current to the coil and determines whether the moving member has been attracted to the retracted position.

Abstract: Disclosed is a detection mechanism and a cutting apparatus having the same. The detection mechanism includes a main body fixedly mountable to a beam and being provided with a guide rail; a sliding assembly slidably arranged on the guide rail, where a bottom of the sliding assembly is provided with a first roller; a rotating assembly rotatably arranged on the sliding assembly, where a bottom of the rotating assembly is provided with a second roller, the rotating assembly is provided with a position restoration device configured to urge the rotating assembly toward an initial position, and the rotating assembly is rotatable to a first position by an end of a body ply and to a second position by a lapping joint of the body ply; and a position sensing assembly fixedly arranged on the sliding assembly and configured to identify position information of the rotating assembly.

Abstract: A vehicle includes a body, door, glass dome, and dynamic pillars. The body defines a cabin and has first and second static pillars. The door that accesses the cabin, is secured to the body, and is disposed between the first and second static pillars. The glass dome is secured to the body over the entirety of the cabin. The dynamic pillars are extendable in an upward direction and are secured to the body proximate to an outer perimeter of the glass dome.

Abstract: A vehicle includes a body, door, glass dome, and dynamic pillars. The body defines a cabin and has first and second static pillars. The door that accesses the cabin, is secured to the body, and is disposed between the first and second static pillars. The glass dome is secured to the body over the entirety of the cabin. The dynamic pillars are extendable in an upward direction and are secured to the body proximate to an outer perimeter of the glass dome.

Abstract: The present invention relates to location recognition and recovery of an elevator system, and belongs to the technical field of elevators. The elevator system of the present invention has a location recovery/recognition system comprising: a landing floor information component or a calling component, a sensing component arranged corresponding to each landing floor information component or calling component and coupled to the landing floor information component or calling component, and a trigger component mounted on the elevator car.