An automatically deformable high-speed elevator fairing and a method of operation thereof

Abstract

The application discloses a high-speed elevator fairing capable of automatic deformation and a working method thereof, which comprises a car, hydraulic lifting columns, contour line ropes, central axis ropes, telescopic rods and a central main control system; two pairs of diagonal directions of the top of the car are respectively provided with the contour line ropes, a plurality of telescopic rods are arranged on the central axis ropes, each telescopic rod can freely extend to both ends and is matched with the contour line ropes; two central axis directions of the top of the car are respectively provided with the central axis ropes, two groups of the hydraulic lifting columns are arranged along the central axis ropes and are matched with the central axis ropes; the multi-target optimization unit calculates the shape of the fairing suitable for the environment where the current car is located according to built-in data, feeds back to the central main control system, realizes dynamic adjustment of the high-speed fairing, improves the aerodynamic characteristics of the high-speed elevator, reduces energy consumption and improves the comfort of the high-speed elevator.

Description

Technical Field

[0001] This invention relates to the field of high-speed elevators, and more specifically to a high-speed elevator deflector that can automatically deform and its operating method. Background Technology

[0002] Elevators are an indispensable means of transportation in modern urban life. With the emergence of more and more high-rise buildings, people's requirements for travel efficiency have also increased. As a new type of elevator product, high-speed elevators have gradually become the mainstream in the market due to their characteristics such as fast operation speed, high efficiency, and good comfort.

[0003] As elevator speeds increase, the aerodynamic loads on the car become increasingly complex. Under these conditions, issues such as aerodynamic drag and lateral pressure pulsations cannot be ignored. These factors not only increase elevator costs and energy consumption but also significantly impact the safety, reliability, and comfort of elevator operation. To improve elevator aerodynamic characteristics, a streamlined design is generally required, i.e., the installation of an elevator fairing. This reduces the strong separation shear layer at the annular entrance of the car and hoistway, as well as the unsteady vortex trail at the rear of the car's direction of travel. The key parameters of the fairing structure are influenced by various factors, such as air resistance, car lift, and car deflection angle.

[0004] Elevator fairing structure design is a typical multi-objective optimization problem. Through intelligent optimization design methods, the correspondence between various design parameters and target parameters can be comprehensively analyzed, thereby adjusting the aerodynamic load on the car to achieve the optimal balance state. This improves energy consumption / vibration issues during elevator operation and enhances the ride comfort and safety of the elevator.

[0005] However, in practical applications and tests, the multi-objective optimization of high-speed elevator fairings involves numerous fairings with different shapes and structures to meet different operating conditions and testing requirements. Therefore, traditional fixed-structure fairings are not suitable. Summary of the Invention

[0006] To address the aforementioned problems in existing technologies, the present invention aims to provide a structurally sound, automatically deformable high-speed elevator fairing and its operating method. Through a multi-objective optimization unit within the central main control system, based on feedback signals from the car's operating environment and external resistance, lift, and deflection monitoring, the multi-objective optimization unit calculates the optimal fairing shape for the current operating conditions in real time. The central main control system further controls two sets of hydraulic lifting columns at the top and bottom of the car to deform into corresponding basic shapes in the X and Y directions. Each hydraulic column has a rotatable pulley at its top, which slides along the central axis rope. Several telescopic rods with retractable ends are connected in series on the central axis rope, with pulleys at both ends that slide along the outer contour rope. These telescopic rods on the four sides are closely connected, forming a complete car structure in conjunction with the central axis rope, the outer contour rope, and the two sets of hydraulic lifting columns. With the bidirectional cooperation of the external monitoring device and the central control system, the fairing shape can be dynamically adjusted during elevator operation, effectively reducing the resistance and vibration experienced by the car.

[0007] This invention provides the following technical solution:

[0008] A high-speed elevator deflector with automatic deformation includes a car, hydraulic lifting columns, outline ropes, central axis ropes, telescopic rods, and a central main control system. Outline ropes are installed at two opposite corners on the top of the car. Several telescopic rods are threaded through the central axis ropes, each capable of freely extending and retracting at both ends and cooperating with the outline ropes. Central axis ropes are installed at two central axis directions on the top of the car. Two sets of hydraulic lifting columns are arranged along the central axis ropes and cooperate with them. The hydraulic lifting columns and telescopic rods are electrically connected to the central main control system, thereby constructing the structure of the deflector.

[0009] Furthermore, the top of the hydraulic lifting column is equipped with a pulley, which is connected to a pulley steering device via a telescopic link. The pulley can be telescopically steered by the telescopic link and the pulley steering device, and the pulley slides along the central axis rope to keep the central axis rope at the corresponding curvature.

[0010] Furthermore, the telescopic rod is equipped with pulleys at both ends, and the pulleys slide along the outline rope. Several telescopic rods extend and retract by different lengths to achieve a tight fit between the pulleys and the outline rope.

[0011] Furthermore, the car is equipped with shaping rope control wheels at its four corners. These wheels are electrically connected to the central main control system to ensure the extension and contraction of the rope during deformation and to maintain the rope's constant tension.

[0012] Furthermore, each side of the car's top is equipped with a telescopic rod storage box to store any telescopic rods that protrude during the deformation process.

[0013] A method for operating a high-speed elevator fairing that can automatically deform includes the following steps:

[0014] Before the car starts moving, the multi-objective optimization unit of the central main control system calculates the appropriate shape of the fairing for the current environment of the car based on the built-in data; the central main control system controls the hydraulic lifting column, telescopic rod, pulley steering device and profile rope control wheel to combine them into the corresponding fairing shape.

[0015] During operation, the monitor inside the car monitors the car's operation in real time and feeds the signal back to the multi-objective optimization unit. The multi-objective optimization unit calculates the appropriate shape and structure of the high-speed elevator guide fairing and further feeds the structural parameter data back to the central main control system.

[0016] The central main control system dynamically adjusts the high-speed elevator guide fairing by controlling the hydraulic lifting column, telescopic rod, pulley steering mechanism, and shaped rope control wheel.

[0017] By employing the above-described technology, the beneficial effects of the present invention compared to the prior art are as follows:

[0018] 1) This invention enables the calculation of the optimal fairing structure under the current operating conditions in real time through a built-in multi-objective optimization system.

[0019] 2) This invention innovatively realizes the automatic shape change of the elevator guide fairing. By controlling the close cooperation of two sets of hydraulic lifting columns, the central axis rope, the outer shape rope and several telescopic rods, the construction and change of the corresponding guide fairing structure are automatically completed.

[0020] 3) The present invention adds a sensor monitoring device inside the car to provide feedback on resistance, lift and deflection signals to the central main control system, and adjusts the fairing structure in real time to achieve the best effect. Attached Figure Description

[0021] Figure 1 This is a two-dimensional basic structural diagram of the fairing structure of the present invention in the X and Y directions;

[0022] Figure 2 This is a diagram showing the combination of two sets of hydraulic lifting columns and ropes according to the present invention;

[0023] Figure 3 This is a schematic diagram of a single hydraulic lifting column structure according to the present invention;

[0024] Figure 4 This is a schematic diagram of a single telescopic rod structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the flow guide structure completed by the cooperation of the various components of the present invention;

[0026] Figure 6 This is a schematic diagram of the control system of the present invention;

[0027] In the diagram: 1. Car, 2. Hydraulic lifting bollard, 3. Outer profile rope, 4. Central axis rope, 5. Pulley steering mechanism, 6. Telescopic coupling, 7. Lifting bollard pulley, 8. Telescopic pole, 9. Telescopic pole storage box, 10. Rope control wheel, 11. Telescopic pole pulley. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings.

[0029] The basic shape of a high-speed elevator fairing that can automatically deform is as follows: Figure 1 As shown, the shape of the fairing is defined by a Bezier curve, which can control and change the height dy1 of the fairing, the front convexity dx1 of the fairing, the offset dx2 of the top of the fairing, the rear convexity dx3 of the fairing, and the left and right convexity dx4 of the fairing.

[0030] like Figure 2 As shown, the top of the car 1 is equipped with two sets of hydraulic lifting columns 2. Each hydraulic lifting column is combined with the central axis rope to form a basic shape in the X and Y directions by extending and retracting to different heights.

[0031] like Figure 3 As shown, each hydraulic lifting column 2 has a steerable pulley 7 at its top. The pulley 7 is connected to the pulley steering device 5 via a telescopic link 6 (the pulley steering device 5 controls the rotation of the pulley 7 in the plane symmetrical to the car, i.e., the plane formed by the central axis rope 4. The telescopic link 6 mainly plays a supplementary and auxiliary role. After each hydraulic lifting column is extended and retracted to different heights and combined with the central axis rope to form the basic shape in the X and Y directions, the telescopic link 6 compensates for the gap with the central axis rope 4 by extending and retracting, making the rope curve shape smoother). The pulley 7 can be extended and steered by the telescopic link 6 and the pulley steering device 5, and the pulley 5 slides along the track of the central axis rope 4, so that the central axis rope 4 maintains the corresponding curvature.

[0032] like Figure 4 As shown, several telescopic rods 8 are connected in series on the central axis rope 4 of each side of the car deflector. The telescopic rods 8 can extend and retract freely to both ends. Pulleys 11 are provided at both ends of the telescopic rods 8. The pulleys 11 at both ends slide along the track of the outer contour rope 3. Several telescopic rods 8 fit together tightly by extending and retracting different lengths, and cooperate with each other to form the deflector surface structure.

[0033] like Figure 5As shown, the various components work together to form a fairing structure. Each side of the fairing has a telescopic rod storage box 9 inside the car to store the telescopic rods 8 that are left over during deformation. At the same time, there are shaping rope control wheels 10 at the four corners of the car 1 (in this embodiment, they are used to control the outer shaping rope 3, but two can also be set for controlling the central axis rope), so that the rope can freely extend and retract during deformation and keep the rope taut at all times to maintain the overall three-dimensionality and smoothness of the fairing.

[0034] like Figure 6 As shown, a method for constructing an automatically deformable high-speed elevator fairing includes the following steps:

[0035] The central main control system is equipped with an elevator guide fairing multi-objective optimization unit. Before the car runs, the elevator guide fairing multi-objective optimization unit calculates the guide fairing shape suitable for the current environment of the car based on the built-in data and feeds it back to the central main control system.

[0036] The central main control system controls the hydraulic lifting column 2, telescopic rod 8, pulley steering device 5, and shaped rope control wheel 10 to change and combine them into the corresponding shape of the guide fairing.

[0037] During operation, the monitor continuously monitors the car's operation (sensor monitoring devices are added inside the car to provide feedback signals of resistance, lift, and deflection to the central main control system). These signals are then fed back to the multi-objective optimization unit of the central main control system. The multi-objective optimization unit calculates a more suitable high-speed elevator fairing structure and further feeds the structural parameter data back to the central control system. The central control system dynamically adjusts the high-speed elevator fairing by controlling the lifting column controller, pulley telescopic steering device, and rope control wheel, thereby improving the elevator's aerodynamic characteristics and making the high-speed elevator car more energy-efficient and comfortable.

[0038] Aerodynamic shape optimization problems are typically multi-objective optimization problems involving multiple sub-objectives. However, these sub-objectives often contradict each other, meaning it's impossible to guarantee the optimality of all sub-objectives simultaneously. Generally, in multi-objective optimization problems, optimizing one sub-objective inevitably leads to other sub-objectives moving away from their optimal solutions. Therefore, for multi-objective optimization problems, it's necessary to find a balance among the sub-objectives so that each sub-objective can reach a certain degree of optimality under mutually restrictive and constrained conditions.

[0039] The embodiments described in this specification are merely examples of implementations of the inventive concept. The scope of protection of this invention should not be considered as limited to the specific forms stated in the embodiments. The scope of protection of this invention also includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concept.

Claims

1. A high-speed elevator fairing with automatic deformation, characterized in that, The system includes a car (1), hydraulic lifting bollards (2), outline ropes (3), central axis ropes (4), telescopic rods (8), and a central main control system. Outline ropes (3) are installed at two opposite corners of the top of the car (1). Several telescopic rods (8) are threaded through the central axis ropes (4), each telescopic rod (8) being able to extend and retract freely to both ends and cooperating with the outline ropes. Central axis ropes (4) are installed at two central axis directions on the top of the car (1). Two sets of hydraulic lifting bollards (2) are arranged along the central axis ropes (4) and cooperate with them. The hydraulic lifting bollards (2) and telescopic rods (8) are electrically connected to the central main control system, thus constructing the structure of the flow guide.

2. The automatically deformable high-speed elevator guide fairing according to claim 1, characterized in that, The hydraulic lifting column (2) is equipped with a pulley (7) at the top. The pulley (7) is connected to the pulley steering device (5) through the telescopic link (6). The pulley (7) can be telescopically steered by the telescopic link (6) and the pulley steering device (5). The pulley (5) slides along the central axis rope (4) to keep the central axis rope (4) at the corresponding curvature.

3. The automatically deformable high-speed elevator guide fairing according to claim 1, characterized in that, The telescopic rod (8) is provided with pulleys (11) at both ends. The pulleys (11) at both ends slide along the outline rope (3). Several telescopic rods (8) can achieve close contact between the pulleys (11) and the outline rope (3) by extending and retracting different lengths.

4. The automatically deformable high-speed elevator guide fairing according to claim 1, characterized in that, The car (1) is equipped with a shape rope control wheel (10) at each of its four corners. The shape rope control wheel (10) is connected to the central main control system by electrical signal to ensure the extension and contraction of the rope during the deformation process and to keep the rope taut at all times.

5. The automatically deformable high-speed elevator guide fairing according to claim 1, characterized in that, Each side of the top of the car (1) is provided with a telescopic rod storage box (9) to store the telescopic rods (8) that are extra during the deformation process.

6. The method for operating an automatically deformable high-speed elevator guide fairing according to claim 1, characterized in that, Includes the following steps: Before the car is in operation, the multi-objective optimization unit of the central main control system calculates the shape of the fairing suitable for the current environment of the car based on the built-in data; the central main control system controls the hydraulic lifting column (2), telescopic rod (8), pulley steering device (5) and shaped rope control wheel (10) to combine them into the corresponding fairing shape. During operation, the monitor inside the car (1) monitors the car's operation in real time and feeds the signal back to the multi-objective optimization unit. The multi-objective optimization unit calculates the appropriate shape and structure of the high-speed elevator guide fairing and feeds the structural parameter data back to the central main control system. The central main control system controls the hydraulic lifting column (2), telescopic rod (8), pulley steering device (5) and shaped rope control wheel (10) to achieve dynamic adjustment of the high-speed elevator guide fairing.

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