Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B1/00—Control systems of elevators in general
  • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
  • B66B1/3476—Load weighing or car passenger counting devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B1/00—Control systems of elevators in general
  • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
  • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B66—HOISTING; LIFTING; HAULING
  • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
  • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
  • B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically

Definitions

• Embodiments of the present disclosure relate to pneumatic vacuum elevators and more particularly to a system and a method to operate a pneumatic vacuum elevator.
• the architectural development of high-level structure results in the development of elevators for transporting personnel or goods lifting.
• the existing controllers does not consider whether cabin is fully loaded or not. Fully loaded cabin may slow down usual operation related to the elevator.
• the existing apparatus for controlling elevator does not temporarily address this problem and has unnecessary stop situation under full load conditions.
• the unnecessary braking of elevator and speed-raising also increases the extra mechanical wear of elevator, thereby have reduced the service life of elevator.
• the elevators utilize microcontroller-based control system which interacts with a series of sensors, controllers, sequences of operation, real-time calculations or algorithms that balance passenger demand and cabin availability.
• the elevator sensors provide data on cabin positions, cabin moving direction, loads, door status, cabin calls, number of runs per cabin, alarms, etc.
• each microprocessor-based control system has inherent limitations in terms of its input/output capabilities, processing capability and speed. In any control system for an elevator, it is undesirable to have delays in processing and transmitting critical information, such as slowdown and stop signals, door control signals, and safety information.
• a system to operate a pneumatic vacuum elevator includes an electronic control unit located on an external cylinder assembly of the pneumatic vacuum elevator.
• the electronic control unit includes a destination request gathering module configured to receive a destination request command from a cabin operating panel inside an elevator cabin.
• the electronic control unit also includes an activation module configured to provide a first activation signal to a first set of motors based on the destination request command received from the destination request gathering module.
• the activation module is also configured to detect movement of the elevator cabin in a direction towards a requested destination using a first set of sensors upon activation of the first set of motors.
• the activation module is further configured to provide a second activation command to a second set of motors upon detection of movement of the elevator cabin to control motion of the elevator cabin.
• the electronic control unit further includes a detection module operatively coupled to the activation module. The detection module is configured to detect presence of the elevator cabin at the requested destination using a second set of sensors upon activation of the second set of motors.
• the electronic control unit further includes a landing control module operatively coupled to the detection module.
• the landing control module is configured to provide a deactivation signal to the first set of motors and the second set of motors upon detecting the presence of the elevator cabin at the requested destination.
• the landing control module is configured to activate a landing lever assembly to lock the elevator cabin at the requested destination upon receiving a signal from the second set of sensors.
• a method to operate the pneumatic vacuum elevator includes receiving, by a destination request gathering module, a destination request command from a cabin operating panel inside an elevator cabin.
• the method also includes providing, by an activation module, a first activation signal to a first set of motors based on the destination request command received from the destination request gathering module.
• the method further includes detecting, by the activation module, movement of the elevator cabin in a direction towards a requested destination using a first set of sensors upon activation of the first set of motors.
• the method further includes providing, by the activation module, a second activation command to a second set of motors upon detection of movement of the elevator cabin to control motion of the elevator cabin.
• the method further includes detecting, by a detection module, presence of the elevator cabin at the requested destination using a second set of sensors upon activation of the second set of motors.
• the method further includes providing, by a landing control module, a deactivation signal to the first set of motors and the second set of motors upon detecting the presence of the elevator cabin at the requested destination.
• the method further includes activating, by the landing control module, a landing lever assembly to lock the elevator cabin the requested destination upon receiving a signal from the second set of sensors.
• a pneumatic vacuum is provided.
• the elevator includes an external cylinder assembly comprising an elevator cabin inserted therein.
• the elevator also includes an electronic control unit located on top of the external cylinder assembly.
• the electronic control unit includes a destination request gathering module configured to receive a destination request command from a cabin operating panel inside an elevator cabin.
• the electronic control unit also includes an activation module configured to provide a first activation signal to a first set of motors based on the destination request command received from the destination request gathering module.
• the activation module is also configured to detect movement of the elevator cabin in a direction towards a requested destination using a first set of sensors upon activation of the first set of motors.
• the activation module is further configured to provide a second activation command to a second set of motors upon detection of movement of the elevator cabin to control motion of the elevator cabin.
• the electronic control unit further includes a detection module operatively coupled to the activation module. The detection module is configured to detect presence of the elevator cabin at the requested destination using a second set of sensors upon activation of the second set of motors.
• the electronic control unit further includes a landing control module operatively coupled to the detection module.
• the landing control module is configured to provide a deactivation signal to the first set of motors and the second set of motors upon detecting the presence of the elevator cabin at the requested destination.
• the landing control module is configured to activate a landing lever assembly to lock the elevator cabin at the requested destination upon receiving a signal from the second set of sensors.
• FIG. 1 is a block diagram representation of a system to operate a pneumatic vacuum elevator in accordance with an embodiment of the present disclosure
• FIG. 2 is a block diagram representation of one embodiment of the system of FIG. 1 in accordance with an embodiment of the present disclosure
• FIG. 3 is a schematic representation of pneumatic vacuum elevator in accordance with an embodiment of the present disclosure
• FIG. 3(a) is a schematic representation of one embodiment of FIG. 3, depicting seal assembly in accordance with an embodiment of the present disclosure
• FIG. 3(b) is a schematic representation of one embodiment of FIG. 3, depicting integrated noise suppression apparatus in accordance with an embodiment of the present disclosure
• FIG. 3(c) is a schematic representation of one embodiment of FIG. 3, depicting split noise suppression apparatus in accordance with an embodiment of the present disclosure
• FIG. 4 is a flow chart representing the steps involved in a method to operate the pneumatic vacuum elevator in accordance with an embodiment of the present disclosure.
• Embodiments of the present disclosure relate to a system and a method to operate a pneumatic vacuum elevator.
• the system includes an electronic control unit located on an external cylinder assembly of the pneumatic vacuum elevator.
• the electronic control unit includes a destination request gathering module configured to receive a destination request command from a cabin operating panel inside an elevator cabin.
• the electronic control unit also includes an activation module configured to provide a first activation signal to a first set of motors based on the destination request command received from the destination request gathering module.
• the activation module is also configured to detect movement of the elevator cabin in a direction towards a requested destination using a first set of sensors upon activation of the first set of motors.
• the activation module is further configured to provide a second activation command to a second set of motors upon detection of movement of the elevator cabin to control motion of the elevator cabin.
• the electronic control unit further includes a detection module operatively coupled to the activation module. The detection module is configured to detect presence of the elevator cabin at the requested destination using a second set of sensors upon activation of the second set of motors.
• the electronic control unit further includes a landing control module operatively coupled to the detection module.
• the landing control module is configured to provide a deactivation signal to the first set of motors and the second set of motors upon detecting the presence of the elevator cabin at the requested destination.
• the landing control module is configured to activate a landing lever assembly to lock the elevator cabin at the requested destination upon receiving a signal from the second set of sensors.
• the system (10) includes an electronic control unit (20) located on an external cylinder assembly of the pneumatic vacuum elevator.
• the electronic control unit (20) may be located on top of the external cylinder assembly.
• the electronic control unit (20) includes a destination request gathering module (30) which receives a destination request command from a cabin operating panel (35) inside an elevator cabin.
• the cabin operating panel (35) includes multiple buttons corresponding to each floor in the structure where the elevator is placed and the various other functional operations.
• the buttons related to various other functional operations may include button for call operation, button to operate fan, button to operate illumination source, emergency button or the like.
• the destination request gathering module (30) receives the destination request from the cabin operating panel (35).
• the electronic control unit (20) includes an activation module (40) which provides a first activation signal to a first set of motors (50) based on the destination request command received from the destination request gathering module (30).
• the first set of motors (50) may include traction motors.
• the activation module (40) activates the first set of motors (50) which are installed on hoist-way top, for extracting the air in the space, produce vacuum and start driving the elevator cabin.
• the activation module (40) further detects the movement of the elevator cabin in a direction towards a requested destination using the first set of sensors (60).
• the first set of sensors (60) may include, but not limited to, a pressure sensor, a force sensor, a position sensor, a tension sensor and the like.
• the first set of sensors (60) may be located on top floor and inside the elevator assembly.
• the direction towards the requested destination may be an ascending direction of the elevator cabin or a descending direction of the elevator cabin.
• the activation module (40) activates the second set of motors (70) upon detection of movement of the elevator cabin to control the motion of the elevator cabin. More specifically, when the first set of sensors (60) detects that the elevator cabin start travelling towards the requested direction, the activation module (40) send an activation command to the second of set of motors (70) to pull the elevator cabin ad increase the speed of the elevator cabin.
• the second set of motors (70) may include traction motors.
• the electronic control unit (20) includes a detection module (80) operatively coupled to the activation module (40).
• the detection module (80) detects presence of the elevator cabin at the requested destination using a second set of sensors (90) upon activation of the second set of motors (70).
• the second set of sensors (90) may include a magnetic sensor and an acceleration sensor.
• each of the sensor from the second set of sensors (90) is positioned at each landing position at each floor. Specifically, one sensor is placed slightly above a floor and one sensor is placed slightly below the floor to detect the presence of the elevator cabin landing on the requested destination.
• the electronic control unit (20) includes a landing control module (100) operatively coupled to the detection module (80).
• the landing control module (10) provides a deactivation signal to the first set of motors (50) and the second set of motors (70) upon detecting the presence of the elevator cabin at the requested destination.
• the landing control module (100) activates a landing lever assembly (110) to lock the elevator cabin at the requested destination upon receiving a signal from the second set of sensors (90).
• the second set of sensors (90) activates a guide pin of the landing lever assembly (110) with further actuates a locking plate and lock the locking plate with guide rail of the elevator and stop the elevator cabin of the requested destination.
• FIG. 2 is a block diagram representation of one embodiment of the system ( 10) of FIG. 1 in accordance with an embodiment of the present disclosure.
• the electronic control unit (20) of the system of FIG. 1 includes a destination request gathering module (30), an activation module (40), a detection module (80) and a landing control module (100).
• the electronic control unit (20) of the system (10) may include a load detection module (120) operatively coupled to the activation module (40).
• the load detection module (120) receives load inside the elevator cabin detected by the one or more weight sensors and an overload valve.
• the load detection module (120) also compares the load received from the one or more sensors with a predefined threshold limit of the permissible load.
• the overload valve is situated at top of the external cylinder along with motors.
• the overload valve is designed by a spring actuation device through electric signal to ensure the maximum permissible limit of pay load in the elevator cabin.
• the main function of the overload valve is to allow within the permissible limit of load capacity in the elevator cabin. If exceeding the permissible limit of loading capacity in the cabin assembly, the overload valve reacts through spring tension due to insufficient air pressure on the top seal of the elevator cabin and continuity of power is disconnected to the electric motor. Hence, the elevator cabin does not move within the external cylinder assembly.
• the second set of motors are activated to control the motion of the elevator cabin in the requested direction.
• the electronic control unit (20) of the system (10) may also include a lock detection module (130) which is operatively coupled to the activation module (40).
• the lock detection module (130) detects a locking position of an elevator cabin door using one or more locks and one or more door sensors.
• the door locks are the electromechanical locks which sense the locking or unlocking condition of the elevator cabin door and send the corresponding signals to the activation module.
• the door sensors such as switches and solenoid valve intimate the activation module (40) about the current position of the door when the control unit (20) receives the destination request command.
• the electronic control unit (20) of the system (10) may include an air flow control module (140) operatively coupled to the activation module (40).
• the air flow control module (140) controls the flow of air to and from one or more chambers in-order to move the elevator cabin in a tubular pathway.
• the air flow control module (140) allows air flow from the motor unit to inside of cylinder using an air valve in such a way that the air valve releases the vacuum pressure from the inside of the cylinder allowing the cabin to descend.
• the air volume that enters determines the rate in which the cabin will descend.
• the air valve has an orifice opening that lets the airflow between the outside atmosphere and diaphragm working unit.
• the electronic control unit (20) of the system (10) may include a brake control module (150) which is operatively coupled to the landing control module (100).
• the brake control module (100) activates a brake assembly to control the movement of the elevator cabin in at least one mode based on the movement of at least one spring.
• the brake assembly includes a support plate mechanically coupled to a brake wheel coupled to a support plate, where the support plate rotates based on movement of the brake wheel.
• the at least one spring is coupled to a seal assembly, wherein the at least one spring is actuated based on the movement of the seal assembly.
• the brake assembly also includes a plurality of brake shoes coupled to the support plate, where the plurality of brake shoes controls the movement of the elevator cabin via a guide rail based on the movement of the at least one spring and the brake wheel.
• the brake assembly also includes an emergency braking system including a brake handle, a brake lever, a push button, a switch, an overpaid governor or any triggering device. The emergency braking system stops the movement of the elevator cabin in a running condition in case it is required to suddenly stop the cabin.
• the control unit (20) activates the one or more door locks and the one or more door sensors which sense the locking or unlocking condition of the elevator cabin door and intimate the same to the control unit (20).
• the control unit (20) upon receiving the command corresponding to the door locking condition, activates the first set of motors (50).
• the first set of motors (50) allows the air flow inside of cylinder using an air valve. Once the air flow is maintained inside the cylinder, the elevator cabin starts moving in the upward direction.
• the control unit (20) further activates the one or more weight sensors.
• the weight sensor using the overload valve provides the overall load present inside the elevator cabin.
• the control unit (20) compares the calculated load with the predefined threshold limit of the load. In case if the load inside the elevator cabin is less than the predefined threshold limit, the control unit (20) may active the second set of motors (70) to increase the speed of the elevator cabin towards the second floor. When the elevator cabin reaches to the second-floor, the second set of sensors (90) sense the landing position of the elevator cabin and activates the brake assembly and the landing lever assembly (110) to stop and lock the elevator cabin at the second floor.
• FIG. 3 is a schematic representation of pneumatic vacuum elevator (200) in accordance with an embodiment of the present disclosure.
• the elevator (200) includes an external cylinder assembly (210) including an elevator cabin (220) inserted therein.
• the elevator cabin (220) carries one or more users between one or more levels of a structure.
• the structure may include building, vessel or the like.
• the external cylinder assembly (210) comprises a plurality of cylinders coupled using a base ring assembly (211) and a band ring assembly (212).
• the base ring assembly (211) provides a supporting layer between other external cylinder assemblies which are connected above or below the top surface and the bottom surface of the external cylinder assembly (210) coupled with the base ring and as a result enables the extension of height pneumatic vacuum elevator based on the requirement.
• the base ring (211) act as a connecting device for coupling one or more components of the pneumatic vacuum elevator such as the vertical guide rail fitment and the external cylinder assembly for the formation of a compact integrated structure of the pneumatic vacuum elevator.
• the external cylinder assembly has a band (outer) ring (212) that is used to intact both top and bottom side of the base ring.
• the band ring (212) is the maximum diameter part in the pneumatic vacuum elevator.
• the pneumatic vacuum elevator (200) includes a guide rail pillar (213) mechanically coupled to the elevator cabin.
• the guide rail pillar is disposed at the external cylinder assembly.
• the guide rail pillar (213) is configured to guide an actuation of the elevator cabin.
• the guide rail pillar (213) guides support of the cabin movement in upper and lower side without causing friction and thus reduces anxiety of the passenger within the elevator.
• the guide rail pillar (213) connects the base ring and provides more strength and rigidity to shaft of the pneumatic vacuum elevator.
• the pneumatic vacuum elevator (200) includes a polycarbonate sheet (214) configured to cover the external cylinder assembly (210).
• the polycarbonate sheet (214) and the external cylinder assembly is coupled using a first locking device and a second locking device.
• the first locking device is configured to lock an air gap between the polycarbonate sheet, the base ring assembly and the external cylinder assembly.
• the first locking device (not shown in FIG. 3) acts as tight lock or a hindrance between the base ring and the top and bottom surface of the vertical pillar, so that the vertical pillar is constant at its respective position for providing vertical support for smooth functioning of the pneumatic vacuum elevator and moreover reduces the air gap so that any abnormality or distortion during the operation of the pneumatic vacuum elevator is avoided.
• the second locking device (not shown in FIG. 3) is configured to lock air gap between the polycarbonate sheet and the guide rail pillar.
• the second locking device helps in providing the locking mechanism to the guide rail by avoiding formation of the air gap which not only keeps the guide rail in an intact position but also does not affect smooth functioning of the guide rail in guiding the actuation of the cabin of the pneumatic vacuum elevator for transiting.
• the pneumatic vacuum elevator (200) includes a seal assembly (215) adapted to fit over a top portion of the elevator cabin.
• the seal assembly (215) is configured to seal the elevator cabin to reduce vibrations during upward and downward movement of the elevator cabin.
• One embodiment of the seal assembly is shown in FIG. 3(a).
• the seal assembly (215) includes a depressurizing system (217) configured to prevent the elevator cabin from coming into force contact with the external cylinder assembly (210) during upward movement and contribute to safety of an elevator operation.
• the elevator (200) also includes an electronic control unit (20) located on an external cylinder assembly (210) of the pneumatic vacuum elevator (200).
• the electronic control unit (20) includes a destination request gathering module (30) configured to receive a destination request command from a cabin operating panel inside an elevator cabin.
• the electronic control unit (20) also includes an activation module (40) configured to provide a first activation signal to a first set of motors (50) based on the destination request command received from the destination request gathering module (30).
• the activation module (40) is also configured to detect movement of the elevator cabin in a direction towards a requested destination using a first set of sensors (60) upon activation of the first set of motors (50).
• the activation module (40) is further configured to provide a second activation command to a second set of motors (70) upon detection of movement of the elevator cabin to control motion of the elevator cabin.
• the electronic control unit (20) further includes a detection module (80) operatively coupled to the activation module (40).
• the detection module (80) is configured to detect presence of the elevator cabin at the requested destination using a second set of sensors (90) upon activation of the second set of motors (70).
• the electronic control unit (20) further includes a landing control module (100) operatively coupled to the detection module (80).
• the landing control module (110) provides a deactivation signal to the first set of motors (50) and the second set of motors (70) upon detecting the presence of the elevator cabin at the requested destination.
• the landing control module (100) also activates a landing lever assembly (110) to lock the elevator cabin at the requested destination upon receiving a signal from the second set of sensors (90).
• the electronic control unit (20) also includes a load detection module configured to receive load inside the elevator cabin from one or more weight sensors using an overload valve.
• the load detection module (120) is also configured to compare the load received from the one or more weight sensors with a predefined threshold using an overload valve to activate the second set of motors for movement of the elevator cabin.
• the overload valve provides an automatic over-weight detection system for an elevator cabin. The overload valve by help of a spring actuation device and electric signal ensures the maximum permissible limit of pay load in the elevator cabin.
• the electronic control unit (20) includes a lock detection module (130) configured to detect a locking position of the elevator cabin door using one or more door locks and one or more door sensors.
• the electronic control unit (20) includes an air flow control module (140) configured to control flow of air to and from one or more chambers in-order to move the elevator cabin in a tubular pathway.
• the air flow control module reduces vibration or jerk movement due to sudden stop or halt of the elevator cabin of the pneumatic vacuum elevator while landing at the one or more positions.
• the air flow control module benefits the passenger in the elevator cabin by providing smooth riding experience in the one or more landing positions.
• the air flow control module enables the elevator cabin to descend always without power consumption by the motors and the emergency descent due to power failure during travel.
• the electronic control unit includes a brake control module (150) configured to activate a brake assembly (not shown in FIG. 3) to control the movement of the elevator cabin in at least one mode based on the movement of at least one spring.
• the brake assembly also includes an emergency braking system which stops the movement of the elevator cabin in a running condition in case it is required to suddenly stop the cabin.
• the electronic control unit (20) includes a noise suppression module operatively coupled to an integrated noise suppression apparatus (221), wherein a command from the noise suppression module is sent to the integrated noise suppression apparatus (221) to absorb noise generated during operation of the pneumatic vacuum elevator upon air being circulated sequentially from a plurality of layers of a silencer unit.
• a command from the noise suppression module is sent to the integrated noise suppression apparatus (221) to absorb noise generated during operation of the pneumatic vacuum elevator upon air being circulated sequentially from a plurality of layers of a silencer unit.
• FIG. 3(b) One embodiment of the integrated noise suppression apparatus (221) is shown in FIG. 3(b).
• the integrated noise suppression apparatus enables the integration of the noise suppression unit along with the one or more one or more elevator cylinders within the available space of the building.
• the structure of the layers used in the apparatus helps in reduction of noise while the pneumatic vacuum elevator is being operated.
• the noise suppression module is also operatively coupled to a split noise suppression apparatus (222), wherein a command from the noise suppression module is sent to the split noise suppression apparatus (222) to absorb noise developed upon air circulation using a noise absorption material and reduce vibration of a split unit during the operation of the pneumatic vacuum elevator using a plurality of anti-vibration pads.
• a command from the noise suppression module is sent to the split noise suppression apparatus (222) to absorb noise developed upon air circulation using a noise absorption material and reduce vibration of a split unit during the operation of the pneumatic vacuum elevator using a plurality of anti-vibration pads.
• FIG. 3(c) On embodiment of the split noise suppression apparatus (222) is shown in FIG. 3(c).
• FIG. 4 is a flow chart representing the steps involved in a method (300) to operate the pneumatic vacuum elevator in accordance with an embodiment of the present disclosure.
• the method (300) includes receiving a destination request command from a cabin operating panel inside an elevator cabin in step 310.
• receiving a destination request command may include receiving a destination request command by a destination request gathering module the cabin operating panel includes multiple buttons corresponding to each floor in the structure where the elevator is placed and the various other functional operations.
• the buttons related to various other functional operations may include button for call operation, button to operate fan, button to operate illumination source, emergency button or the like.
• the method (300) also includes providing a first activation signal to a first set of motors based on the destination request command received from the destination request gathering module in step 320.
• providing a first activation signal to a first set of motors may include providing a first activation signal to a first set of motors by an activation module.
• the first set of motors may include traction motors.
• the activation module activates the first set of motors which are installed on hoist-way top, for extracting the air in the space, produce vacuum and start driving the elevator cabin.
• the method (300) further includes detecting movement of the elevator cabin in a direction towards a requested destination using a first set of sensors upon activation of the first set of motors in step 330.
• detecting movement of the elevator cabin in a direction towards a requested destination may include detecting movement of the elevator cabin in a direction towards a requested destination by the activation module.
• the first set of sensors may include, but not limited to, a pressure sensor, a force sensor, a position sensor, a tension sensor and the like.
• the first set of sensors may be located on top floor and inside the elevator assembly.
• the direction towards the requested destination may be an ascending direction of the elevator cabin or a descending direction of the elevator cabin.
• the method (300) further includes providing a second activation command to a second set of motors upon detection of movement of the elevator cabin to control motion of the elevator cabin in step 340.
• providing a second activation command to a second set of motors may include providing a second activation command to a second set of motors by the activation module.
• the second set of motors may include traction motors.
• the method (300) further includes detecting presence of the elevator cabin at the requested destination using a second set of sensors upon activation of the second set of motors in step 350.
• detecting presence of the elevator cabin at the requested destination may include detecting presence of the elevator cabin at the requested destination by a detection module.
• the second set of sensors may include a magnetic sensor and an acceleration sensor.
• each of the sensor from the second set of sensors is positioned at each landing position at each floor. Specifically, one sensor is placed slightly above a floor and one sensor is placed slightly below the floor to detect the presence of the elevator cabin landing on the requested destination.
• the method (300) further includes providing a deactivation signal to the first set of motors and the second set of motors upon detecting the presence of the elevator cabin at the requested destination in step 360.
• providing a deactivation signal to the first set of motors and the second set of motors may include providing a deactivation signal to the first set of motors and the second set of motors by a landing control module.
• the method (300) further includes activating a landing lever assembly to lock the elevator cabin the requested destination upon receiving a signal from the second set of sensors in step 370.
• activating a landing lever assembly may include activating a landing lever assembly by the landing control module.
• the second set of sensors activates a guide pin of the landing lever assembly with further actuates a locking plate and lock the locking plate with guide rail of the elevator and stop the elevator cabin of the requested destination.
• the method (300) may include receiving load inside the elevator cabin from one or more weight sensors using an overload valve. In such an embodiment, the method (300) may also include comparing the load received from the one or more weight sensors with a predefined threshold to activate the second set of motors for movement of the elevator cabin. In one embodiment, the method (300) may include detecting a locking position of an elevator cabin door using one or more door locks and one or more door sensors. In a specific embodiment, the method (300) may include controlling the flow of air to and from one or more chambers in-order to move the elevator cabin in a tubular pathway. In some embodiment, the method (300) may also include activating a brake assembly to control the movement of the elevator cabin in at least one mode based on the movement of at least one spring
• the system includes weight sensors and speech prompting device, which may guarantee that the elevator will not be overweight.
• the management and control center is alarmed automatically so that staff can find failure in time and can repair.
• the system has intelligence, efficient, energy-saving advantages which result in significant economic benefit and social benefit.
• the control unit stabilizes the pneumatic elevator and controls on the architecture basis.
• the control unit also provides high stability and strong anti-interference ability.

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  • 2020-09-10 WO PCT/IB2020/058416 patent/WO2022013606A1/en active Application Filing
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