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CN-117923258-B - Elevator night low-noise operation control system

CN117923258BCN 117923258 BCN117923258 BCN 117923258BCN-117923258-B

Abstract

The invention discloses an elevator night low-noise operation control system, and relates to the technical field of elevator operation control. The elevator car comprises a controller, wherein the controller is connected with a night mode entering module, an elevator car weighing device, a first roller set and a second roller set, the first roller set is arranged on the elevator car and matched with an elevator guide rail which is vertically arranged, and the second roller set is arranged on the elevator car and matched with the elevator guide rail which is vertically arranged. The invention switches between the first roller group and the second roller group in daytime mode and night mode, utilizes the nylon layer arranged on the outer side of the second roller in the second roller group, and the rubber layer, the metal layer or the polyurethane layer arranged on the outer side of the first roller in the first roller group, and utilizes the noise generated by the cooperation of the second roller and the guide rail to be lower than the noise generated by the first roller and the guide rail in use, thereby reducing the noise generated by the operation of a battery at night.

Inventors

  • CHEN HANJIN
  • Zhou Lunzan
  • LIU LUJUN
  • CHEN HANFENG

Assignees

  • 北菱电梯股份有限公司

Dates

Publication Date
20260505
Application Date
20231229

Claims (10)

  1. 1. A night low noise operation control system for an elevator, comprising: The night mode entering module is used for sending an instruction of entering a night mode or entering a daytime mode when a preset event triggers; The elevator car weighing device is used for acquiring the current load value of the elevator car; a first roller group (1) which is arranged on the elevator car and is matched with an elevator guide rail arranged vertically; A second roller group (2) which is arranged on the elevator car and is matched with the vertically arranged elevator guide rail; The controller is used for receiving signals sent by the night mode entering module and the elevator car weighing device and controlling the first roller group (1) or the second roller group (2) to cooperatively slide along the length direction of the elevator guide rail; The first roller group (1) and the second roller group (2) comprise a telescopic mounting frame, and the first roller group (1) and the second roller group (2) also comprise a first roller (10) and a second roller which are matched and mounted on the telescopic mounting frame respectively; the outer side of the first roller (10) is provided with a rubber layer, a metal layer or a polyurethane layer, and the outer side of the second roller is provided with a nylon layer; when the night mode is entered, the controller controls the second roller group (2) to be matched with the elevator guide rail, and when the daytime mode is entered, the controller controls the first roller group (1) to be matched with the elevator guide rail.
  2. 2. The night low-noise operation control system for an elevator according to claim 1, characterized in that the night low-noise operation control method for an elevator based on the night low-noise operation control system for an elevator comprises the steps of: step 1, when a preset event is triggered, a night mode entering module sends an instruction of entering a night mode to a controller, and the controller controls the controller to enter the night mode; step 2, judging whether the elevator car is in a state of staying at a certain floor at the moment, if so, entering a step 3, otherwise, running until detecting and judging that the elevator car is in a state of staying at a certain floor; Step 3, controlling the elevator car to descend to the lowest end along the vertical direction, and shielding an elevator button trigger signal in the process; And 4, controlling the second roller to extend to contact the elevator guide rail, then controlling the first roller (10) to retract and separate from the elevator guide rail, and then removing the shielding of the elevator button.
  3. 3. The night low-noise operation control system for an elevator according to claim 2, wherein when the elevator car weighing device obtains a current load value of the elevator car in the daytime mode, the controller judges that the load value is greater than a preset value M1, and an alarm sound is given out through an alarm arranged in the elevator car; when the elevator car weighing device is in the night mode, when the current load value of the elevator car is obtained, and the controller judges that the load value is larger than a preset value M2, alarm light is emitted through a three-color lamp arranged in the elevator car; the M1> M2.
  4. 4. The night low-noise operation control system for elevators according to claim 1, wherein the night mode entering module comprises a brightness detecting module and a sound detecting module which are arranged at the top of a building, and the brightness detecting module and the sound detecting module are both connected with a controller; when the brightness detection module detects that the ambient brightness is lower than a preset value L1 and the sound detection module detects that the ambient sound is lower than a preset value P1, the night mode entering module judges that the night mode is carried out; the P2> P1, L2> L1.
  5. 5. The night low noise operation control system of claim 1, further comprising an elevator operation speed detection module connected to the controller; when in the daytime mode, the elevator car is controlled to lift and descend at the running speed of V1; When in the night mode, controlling the elevator car to lift and descend at the running speed of V2; wherein V1> V2.
  6. 6. A night low noise operation control system for an elevator according to any of claims 1-5, characterized in that the telescopic mounting comprises a telescopic member (3) and a mounting member (4) fitted to the end of the telescopic member (3); The mounting piece (4) comprises a base plate (40), two upright posts (41) are arranged on one side of the base plate (40), clamping plates (42) with bayonets (421) arranged on one side are fixedly connected to the tops of the two upright posts (41), three first rollers (10) or three second rollers are mounted on the mounting piece (4) in a matched mode, and mounting seats (43) for mounting the first rollers (10) or the second rollers are arranged on the base plate (40).
  7. 7. The night low-noise operation control system for an elevator according to claim 6, wherein when three first rollers (10) or three second rollers are mounted on the upper fit, the axial direction of two of the first rollers (10) is in the X-axis direction, and the axial direction of the other first roller (10) is in the Z-axis direction; the mounting seat (43) comprises a side plate (430) which is arranged on the upper surface of the base plate (40) and is connected with the upright post (41), and a swing arm (431) is rotatably connected to the side plate (430); one side of the end part of the swing arm (431) is provided with the first roller (10) or the second roller, and the other side of the end part of the swing arm (431) is fixedly connected with a buffer arm (432); One end part of the buffer arm (432) far away from the swing arm (431) is provided with a through hole A (433) and a through hole B (434); the upright post (41) is provided with a screw A (411) and a screw B (412) which respectively penetrate through the through hole A (433) and the through hole B (434) in a movable mode; Two bolts A (413) which are tightly attached together are arranged on the screw A (411), and one bolt A (413) is abutted against the outer side wall of the buffer arm (432); Two bolts B (414) which are tightly attached together are arranged on the screw rod B (412), one side of one bolt B (414) is connected with a spring A (415), and the end part of the spring A (415) is fixed on the outer side wall of the buffer arm (432); The upright post (41) is also provided with a driving structure (44) which stretches out and drives the first roller (10) or the second roller to move towards the side far away from the upright post (41); and the through hole A (433) and the through hole B (434) are both waist-shaped holes.
  8. 8. The night low-noise operation control system for elevators according to claim 7, wherein the driving structure (44) comprises a U-shaped frame (440) fixed to the upright (41), a guide rod (441) is movably disposed on the U-shaped frame (440), and an end portion of the guide rod (441) is formed as a spherical structure (442); A telescopic module A (445) with the end part abutting against the end part of the guide rod (441) and driving the guide rod (441) to stretch along the length direction is also fixed on the upright post (41); The bayonet (421) is also provided with a detection structure for detecting whether the telescopic piece (3) controls the mounting piece (4) to move to a specified position; the detection structure comprises an infrared emission module and an infrared receiving module which are respectively arranged at two sides of the bayonet (421), and the infrared receiving module receives infrared light at the emission position of the infrared emission module.
  9. 9. The night low-noise operation control system for the elevator according to claim 8, wherein the telescopic piece (3) comprises a sliding block (45) connected to the bottom side surface of the mounting seat (43), and the sliding block (45) is matched and arranged on a sliding rail (46), and one end of the sliding rail (46) is fixed on the outer side wall of the elevator car; the elevator is characterized in that a telescopic module B (47) for driving the sliding block (45) to move along the length direction of the sliding rail (46) is further arranged on the outer side wall of the elevator car, the output end of the telescopic module B (47) is connected with the sliding block (45) through a spring C (471), and convex edges (451) protruding out and connected with the mounting seat (43) are arranged on two sides of the upper surface of the sliding block (45).
  10. 10. The night low-noise operation control system for an elevator according to claim 9, wherein an electromagnet (461) is provided on an upper surface of an end portion of the slide rail (46), and a magnet (452) that cooperates with the electromagnet (461) is provided on a bottom side surface of the slider (45); When the electromagnet (461) is electrified, the electromagnet (461) and the magnet (452) repel each other, and when the electromagnet (461) is deenergized, the electromagnet (461) and the magnet (452) attract each other.

Description

Elevator night low-noise operation control system Technical Field The invention belongs to the technical field of elevator operation control, and particularly relates to an elevator night low-noise operation control system. Background The elevator is a vertical elevator powered by a motor and is provided with a box-shaped nacelle for passengers or goods carried by a multi-storey building, the rollers in the existing elevator generate noise when in contact with elevator guide rails, the noise generated by the noise is not obvious when the environment is loud in daytime, and the noise generated when the rollers are in contact with the elevator guide rails is obvious when the environment is loud at night, and the rest of residents can be seriously influenced by the generated noise for residential buildings. Based on the above, as disclosed in CN103818802B, a low-noise high-speed elevator comprises an elevator car, wherein the elevator car is cylindrical, arc-shaped fairings are arranged at the top and the bottom, the fairings are rotationally connected with the elevator car, a tubular rotating cover is sleeved outside the elevator car, the rotating cover is positioned between the two fairings, a plurality of uniformly distributed spiral blades are arranged outside the rotating cover, each spiral blade extends from the top of the rotating cover to the bottom of the rotating cover, and the rotation inclination angle of each spiral blade is 25 ° -50 °. The invention can reduce wind resistance and noise generated when the elevator car runs, and can improve the running stability of the elevator car. And a method for reducing noise in an elevator car, such as CN105460750B, which simply and inexpensively provides a method for effectively and stably reducing noise in an elevator car by suppressing an acoustic standing wave generated in the elevator car, and a structure for realizing the same. When the shape of the ceiling surface viewed from the inside of the car consisting of 6 surfaces, i.e., the floor surface, ceiling surface, front surface, back surface, and left and right side surfaces, is regarded as a substantially square, the opening is provided at 4 vertexes of the square, the cavity is provided at the inside of the opening viewed from the inside of the car, and the control 2-order sound wave is output to the inside of the cavity, so that the control 2-order sound wave is radiated from the openings provided at the 4 vertexes of the ceiling surface to the inside of the car. The two prior art techniques described above are directed to all-weather noise reduction of elevator operation and do not relate to how to control elevator operation during night versus daytime noise reduction. Disclosure of Invention The invention aims to provide a night low-noise operation control system for an elevator, which solves the problem that the background technology cannot solve the problem of noise reduction of the operation of the elevator at night relative to the daytime by switching a first roller set and a second roller set in a daytime mode and a night mode state and utilizing the nylon layer arranged on the outer side of the second roller in the second roller set. In order to solve the technical problems, the invention is realized by the following technical scheme: The invention discloses an elevator night low-noise operation control system which comprises a controller, wherein the controller is connected with a night mode entering module, an elevator car weighing device, a first roller group and a second roller group, the night mode entering module is used for sending an instruction of entering a night mode or an instruction of entering a daytime mode when a preset event is triggered, the elevator car weighing device is used for obtaining a current load value of an elevator car, the first roller group is arranged on the elevator car and is matched with an elevator guide rail which is vertically arranged, the second roller group is arranged on the elevator car and is matched with the elevator guide rail which is vertically arranged, and the controller is used for receiving signals sent by the night mode entering module and the elevator car weighing device and controlling the first roller group or the second roller group to slide in a matched manner along the length direction of the elevator guide rail; The first roller set and the second roller set respectively comprise a telescopic mounting frame, the first roller set and the second roller set respectively comprise a first roller and a second roller which are mounted on the telescopic mounting frame in a matched mode, a rubber layer, a metal layer or a polyurethane layer is arranged on the outer side of the first roller, a nylon layer is arranged on the outer side of the second roller, the controller controls the second roller set to be matched with an elevator guide rail when entering a night mode, and the controller controls the first roller set to be matched with the