78results about "Elevators" patented technology

The invention discloses a one-card control system and a one-card control method of a mobile phone Bluetooth swiping card. The control system comprises a one-card control center, an elevator management module, a mobile phone Bluetooth card reader, an input and output module; the elevator management module is in communication connection with the mobile phone Bluetooth card reader; a card number transmitted from the mobile phone Bluetooth card reader is processed in real time to judge whether the received card number is effective, and the input and output module carries out corresponding output according to permission control registered by the card number, or floor permission information stored on the mobile phone card of a user is directly read, and the input and output module carries out corresponding output according to the control of the permission information. The third-party linkage communication interface of the elevator management module or the one-card control center is respectively connected with an intercommunication access control system and a parking lot management system through TCP/IP (Transmission Control Protocol/Internet Protocol) for linkage so as to realize seamless integration among systems. A mobile phone Bluetooth function is used for replacing a control method for starting an elevator by using a traditional card, so that the problem that the control for the elevator is not flexible through passive RFID (Radio Frequency Identification) and active RFID originally is solved; meanwhile, the third-party linkage communication interface or the one-card control center achieves linkage with intercommunication access control, parking lots or other third parties to realize integrated application of multiple systems, so that the degree of automation is further improved.

An elevator system includes a lane and at least one rail extending along the lane. The at least one rail includes a first end portion and a second end portion. A transfer station is arranged at one of the first end portion and the second end portion, and an alignment system is arranged at the transfer station. The alignment system includes at least one guide member configured and disposed to establish a desired alignment between an elevator car and the at least one rail.

The invention provides an elevator integral frequency converting controller. Besides the motor drive circuits, power supply circuits and brake units, it also contains control circuitry, specifically is: operation control module, curve calculation module, elevator position monitoring module, elevator logical module, clock module, parameter storage module, Canbus module, Mudbugs module, debugging tool module, generator state acquisition module, vector control module, velocity feedback module, elevator and generator parameters processing module, PWM waveform generating module, DPRAM data exchange module and SPI data exchange module, etc. The control circuit processes the ''peripheral'' signal of frequency converting controller, then outputs it to motor drive circuits, thereby integrates most functions of elevator, combines organically the variable-frequency control and the operation control of elevator, it is facilitating for installation and alignment of elevator, and also ensure the operation of elevator under the more efficient, stable and safe condition.

A system of enhancing air quality for buildings is proposed. The system includes a multi level building having a hoistway vertically extending through at least two levels of the building, for receiving a car vertically moving therein.. The system further includes at least an air circulating device placed on a top level of the building for pumping fresh air into the hoistway, a plurality of current directing devices installed between different levels of the building for directing air in the hoistway flowing from an upper level of the building to a lower level of the building, and a waste discharge device in communication with an available exhaust outlet in a basement for discharging exhaust out of the hoistway. Accordingly, the air flowing in the hoistway is maintained in a single direction. With the system of enhancing air quality for buildings, dirty air discharged below the car is maintained to flow downwardly to prevent backflow of the dirty air, so as to achieve better air quality in the elevator.

An elevator is provided which has a structurally simple and inexpensive guiding device. The elevator is made up of a pair of guide rails (1) arranged in the hoistway, and an elevator car (43) that lifts along the guide rails (1), wherein there are clamping guide rails (1) from both sides and Two rollers (2a, 2b) are used to apply pressure, and the pressing force exerted by the two rollers (2a, 2b) on the guide rail (1) is controlled by an actuator (33). Helical springs (4a, 4b) for pressing the rollers (2a, 2b) against the rail (1) are fixed by rods (5a, 5b) attached to both ends of a movable member (35) movable in the horizontal direction . And, the compression force of the coil springs (4a, 4b) can be changed according to the vibration of the elevator car (43) and the unbalanced state of the load by the control force of the actuator (33).

The present invention provides an outdoor conveyor of building, which can effectively settle the problem for conveying daily life article for the householder living in high storey. Furthermore the outdoor conveyer can be operated for using in residence or one building. The article is automatically hoisted and unloaded in an assigned storing device. The outdoor conveyor of building comprises an article hoisting system, an article storing device and a protecting device. Specifically, a track in the article hoisting system is fixed on the wall body through a base board. A hoisting device is fixed on the track. The protecting device is fixed below the track. An article loading device is positioned on the track through a pulley assembly and is connected with the hoisting device through a cable. The hoisting device is installed with an overload protection device. The article storing device is fixed on the wall body next to the window. An operating switch is respectively installed in the residence and the storey one. Furthermore a remote control device is provided.

The invention relates to the field of electromechanical control, and discloses a method and device for detecting holding brake force. According to the mode of execution, when all holding brake devices are in a close state, a position controller outputs a given speed according to the safe displacement smaller than a preset threshold and the displacement feedback of a motor; then the motor outputs a first motor torque in accordance with the given speed, and when the first motor torque reaches a first upper limit, the motor torque of the first upper limit is maintained within preset time; whether the motor rotates or not is judged according to the displacement feedback of the motor within the preset time, and if the motor rotates, the holding brake force is abnormal. In the mode of execution, whether the holding brake force meets the requirements or not can be detected accurately, the effect that the first motor torque output by the motor is still controllable even though the brake force is insufficient to cause motor rotation in the detecting process of the holding brake force can be guaranteed, and therefore safety and reliability of the detecting process are ensured.

The invention discloses a compound type elevator and a control method thereof. The compound type elevator comprises a clutch device and two elevators, wherein each elevator is provided with a lift car, a traction system, a permanent magnet synchronous motor, a second control system and a first control system, wherein the permanent magnet synchronous motor can be used for converting potential energy of the descending lift car into electric energy; the first control system can be used for controlling the lift car to ascend in the electric state; the permanent magnet synchronous motor, the traction system and the lift car are connected with power; the permanent magnet synchronous motor is connected with the first control system and the second control system; the second control system comprises an electric energy storage device for storing the electric energy; the electric energy storage device is connected with the first control system; the clutch device includes the connecting state and the separating state; and two lift cars are linked in the connecting state and independently operate in the separating state. When fire occurs in the building, trapped people can enter the lift cars and descend to the ground for self-rescuing, escaping and refuge seeking. The invention solves the problem that power consumption is required for the use of group evacuation equipment (such as fire elevator products).

The invention discloses a portable rope tension balancing instrument of a multi-rope lifting system. The portable rope tension balancing instrument comprises a cavity, a weighing sensor, a bearing component, an anti-rotating screw and an anti-rotating nut, the inside of the cavity is partitioned into an upper cavity body and a lower cavity body by a plate, the upper cavity body is provided with a top cover, an adjusting window and an anti-rotating groove in an up-down direction are formed in the side wall of the lower cavity body, the weighing sensor is mounted inside and limited and protected by the upper cavity body, and externally connected with a data display module, the bearing component is mounted below the top cover of the upper cavity body and above the weighing sensor, the upper section of the anti-rotating screw penetrates the cavity, the weighing sensor and the bearing component to be connected with an adjusting nut while the lower section of the same is connected with a rope end screw through an internal threaded hole, a guide rod is extended from the side face of the anti-rotating screw and moves up and down in the anti-rotating groove of the lower cavity body, and the anti-rotating nut is mounted on the rope end screw and closely abutted against the lower section of the anti-rotating screw. The rope tension balancing instrument is light, small and portable, has functions of measuring and adjusting and has high safety and universality, and working efficiency is effectively improved.

The invention discloses a system capable of displaying weight distribution in an elevator, and solves the problems that the bearing capacity of the elevator is reduced due to non-uniform weight distribution. The system includes a weighing sensor (1), and a resistance strain type sensor (2) and a display screen (3) in the weighing sensor. The system is a display device which is improved aiming at space waste due to the fact that passengers standing in the elevator lead the weight in the elevator to be non-uniformly distributed.

An actuating device for an elevator having a gearless drive having a motor, a traction sheave over which support ropes are passed and a motor braking device is in the form of a hand drive adapted to be engaged with the motor shaft for emergency elevator operation with a handwheel for manual motor shaft activation. The hard drive may include a gear coupling the handwheel and an output coupling in the form of a grooved hub. The braking device of the elevator is mounted to a pedistal having a cover with an opening through which the hub may be inserted to engage the motor shaft.

The invention provides an elevator with a parachute. The elevator comprises a hoistway (1) and an elevator car (2). The top end of the elevator car (2) is provided with a parachute box (3), the parachute is positioned in the parachute box (3), the width of the hoistway (1) is larger than the diameter of the parachute, the bottom of the parachute is fixed to the outer top wall of the elevator car (2), and a switch (4) of the parachute box (3) is arranged in the elevator car (2). When safety accidents occur to the elevator, the parachute can be opened, so that the falling of the elevator is slowed down, accident damage is reduced, and the elevator is particularly suitable for being used in high-rise buildings.

The present invention relates to the driving device (10), the method for driving this driving device, and the elevator (100) that is driven by this driving device to move persons or goods by at least one cage (20). The driving device is provided with at least one linear motor having a secondary-side part (3) between first primary-side parts (1, 1') and second primary-side parts (2, 2'). The driving device is provided with at least one compensating means (5) that acts by compensating normal force exerted against sucking normal force between each primary-side part and the secondary-side part.

The invention discloses elevator floor keys intelligent connection control device and method. If the passenger has popedom to several floors, it outputs control signal, connects the key permitted by the popedom; if the passenger only has one floor popedom, it outputs control signal to connect the key with popedom, makes the floor can be connected, when the elevator reaches the floor it will act without the key pressing action. The device is flexible and convenient.

The invention relates to a screw guide magnetic floating vertical motor lifter, which comprises a compartment, a lifting device connected to the compartment and a control circuit driving the lifting device, wherein said lifting device comprises a straight motor formed by screw tube and clamp ring, and a guide disk; the straight motor drives the compartment; the guide disk inside the screw tube and connected to the compartment is screwed lifted with the screw tube; since the compartment is near to the lifting device, when the compartment is not powered or abnormal, people can control the brake disc inside the compartment to slowly lift down the guide disc along the screw tube to the safe position to be rescued.

A plurality of cars (A-C) traveling in the same hoistway (10) send communication check codes (27, 35, 70, 77) to each other over a first communication channel, and if a response is not received (30, 37, 73, 80) within a predetermined time (32, 38, 74, 81) the car not getting a response will send a failure mode command to the other two cars (53, 82). Either the car (A) which senses the failure, or a predesignated car (B) will assume a wild car mode (60, 88) after the other two cars are safely parked (56, 57; 85, 86) out of the way, under control of special sensors and signals sent over a second communications channel. Two out of three cars may operate if only one has communication failure with one or two of the others.

An elevator car comprises a ceiling and two bars extending parallel to and spaced apart from each other along the ceiling, wherein each of the bars comprises a first opening and a second opening. Theelevator car further comprises a ceiling panel with two protrusions extending from the opposite sides of the ceiling panel and configured such as to be received within the first openings, thereby allowing for a pivoting motion of the ceiling panel around an axis extending between the two protrusions; and at least one locking mechanism, which is switchable between a locked state and an unlocked state.

The invention discloses a hydraulic lift car safety protection device which comprises safe pliers, safe plier connectors, a first transmission shaft and a second transmission shaft. The first transmission shaft is fixedly sleeved with a first poking element and a first connector, the second transmission shaft is fixedly sleeved with a second poking element and a second connector, a third connector is arranged between the first connector and the second connector, one end of the third connector is hinged to the free end of the first connector, the other end of the third connector is hinged to the free end of the second connector, the free end of the first poking element is connected with a steel wire rope on a traction lift car in a combined mode through a rope head, the free end of the second poking element is hinged to the safe plier connectors, and the safe plier connectors are fixedly connected with the safe pliers. The hydraulic lift car safety protection device can save lift installation space and reduce cost, and has the advantages of being simple in structure, safe, reliable, low in price and the like. Lifts can be installed in some ultra-small shafts.

The invention discloses an elevator car roof maintenance box. The box comprises car frame upper beams, a car roof main body, a car roof main electrical component, a car top guardrail, a car top reinforcing rib and a car top cable; the number of the car frame upper beams is two, and an electric box with an open side is arranged between the two car frame upper beams; a waterproof plate is arranged on the upper side of the two car frame upper beams, and the waterproof plate is connected with the two car frame upper beams through screws; the top of the electric box is fixedly connected with the waterproof plate; a car top operation box is arranged at the position, close to the front side of the car roof main body, of the upper parts of the inner sides of the left side guardrail or the right side guardrail, wherein a power socket, a maintenance switch, an emergency stop button and three maintenance operation buttons are arranged in the operation box body; a car top lighting lamp is arrangedat the top of the operation box body; and a protective plate is arranged on the open side of the operation box body. The elevator car roof maintenance box is safe, reliable, small in occupied space,good in protection performance and convenient to install and maintain.

The invention relates to a car roof of a cargo lift and belongs to the technical field of lifts. The car roof is provided with a mounting framework, a mounting plate for connecting side walls of a car, and down lamps which are fixed on the surface of the mounting plate, have an ornamental value and serve as ceiling lamps; an escape window top plate for escaping is fixedly connected to the upper part of the front mounting plate; a fan car top plate for ventilating is fixedly connected to the lower part of the escape window top plate; the mounting framework wraps the periphery of the mounting plate. The car roof disclosed by the invention has the beneficial effect that the structure is simple; compared with a car roof adopting light tubes, the car roof disclosed by the invention has the advantage of simplicity in fixing and protection, and the cost is effectively reduced; the structure is compact and simple, and the occupied area of the car roof is small; a small-depth car is additionally provided with a safety window while the illumination and the ventilation are met.

The invention discloses a construction hoist guide rail bracket descending machinery safety protector which comprises a safety pin, a fixing seat, a guide rail bracket inspection connecting rod, a safety pin frame, a spring seat, a connecting plate, a lifting rod, a spring and a pin shaft. The fixing seat comprises two rectangular tubes, a shaft sleeve and a rotary shaft, the two rectangular tubesare the same in length and connected through the shaft sleeve, the rotary shaft is arranged on one rectangular tube, the safety pin frame comprises a first connecting rod, a first stopper, a spring sleeve and a first lug plate, the spring sleeve is connected to the end of the first connecting rod, both the first stopper and the first lug plate are connected onto the first connecting rod, and thefirst stopper is perpendicular to the first lug plate. The protector can accurately inspect whether guide rail bracket descending exceeds a set safety position or not, and can prevent a guide rail bracket from exceeding a base station driving mechanism, breaking away from a base station and falling.

The invention discloses a construction site electric lift car which comprises a car body. The car body comprises two symmetrical rolling door devices and a wall layer, each rolling door device comprises a net-type rolling door, two guide rails are arranged in the positions, close to the wall layer, in the front side edge and the rear side edge, the rolling doors are movable on the guide rails, pull handles are arranged at the tail ends of the rolling doors, a latch handle device is arranged below the car body, a separating net layer is arranged in the left side of the car body, and two articulated type chairs are arranged on the inner side of the wall layer. The construction site electric lift car is reasonable in structure, a door body occupies little space, and the phenomenon that a path is blocked due to the placement of cargos or a barrow can be avoided.