Elevator leveling precision measuring device

Abstract

The utility model relates to an elevator leveling precision measuring device which comprises a lift car module, a traction module, a laser module, an image recording module and a processing module, the lift car module comprises a lift car unit and a lift car unit, and a laser target unit is arranged at the top of the lift car unit; the traction module comprises a traction machine unit, the traction machine unit comprises a traction wheel, the traction wheel is connected with a steel wire rope, the end, away from the traction wheel, of the steel wire rope is connected with a car top wheel, and the car top wheel is rotationally connected to the car unit; the laser module comprises a laser unit, and the laser unit is arranged above the lift car unit; the image recording module comprises a first image recording unit and a second image recording unit, and the first image recording unit is arranged on one side of the car roof wheel; the second image recording unit is arranged on one side of the traction wheel; the processing module is used for obtaining abrasion models of the traction wheel, the steel wire rope and the car roof wheel. The technical scheme of the utility model has the beneficial technical effects that the measurement accuracy of the steel wire rope and the traction wheel is improved, and the use accuracy of an elevator is improved.

Description

Technical Field

[0001] The utility model relates to the field of elevator accuracy measurement, in particular to an elevator leveling accuracy measurement device. Background Art

[0002] In recent years, most of the domestic elevator accidents are related to elevator overload, wire rope or traction wheel slippage, and elevator top collision. Because elevators are widely used in daily life, due to factors such as traction wheel wear and wire rope sludge during use, the wire rope and traction wheel will slip relative to each other. The relative slip between the wire rope and the traction wheel will affect the traction force and leveling accuracy of the elevator, making the elevator a great safety hazard. The consequence is damage to the elevator accessories and elevator equipment and significant economic losses. At the same time, it may also cause safety accidents such as injuries to maintenance personnel on the top of the car.

[0003] The existing method is to install a leveling sensor on the top of the elevator car, and install a leveling light barrier on the shaft wall near the leveling position of each floor. When the elevator car reaches the leveling area, the leveling light barrier is inserted into the sensor to cut off the magnetic circuit of the reed sensor. However, this method is easily affected by the outside world, and the measurement accuracy is limited in actual use. Most of the existing floors start from 20 floors, and each floor needs to be installed. The installation workload is too large, and the subsequent maintenance cost is too high.

[0004] At the same time, the wire rope diameter and the wear of the traction wheel are closely related to the elevator leveling accuracy. The current wire rope inspection method is to use manual measurement, full-length detection or segmented sampling to measure and determine the change in wire rope diameter. During the measurement, two points at least one meter apart are used, and each point is measured twice in a perpendicular direction upward. The average of the four measured values ​​is the measured diameter of the wire rope, which makes the measurement cumbersome and the data obtained is not accurate enough.

[0005] Therefore, it is very necessary to provide an elevator leveling accuracy measuring device to solve the above technical problems. Utility Model Content

[0006] Based on the above description, the utility model provides an elevator leveling accuracy measuring device to solve the problem that in the prior art, a leveling light-isolating plate needs to be installed on each floor, the installation workload is too large, and the subsequent maintenance cost is too high; and the measurement of wire rope diameter and traction wheel wear is inaccurate.

[0007] The utility model solves the above-mentioned technical problems with the following technical solutions: an elevator leveling accuracy measuring device, comprising a car module, a traction module, a laser module, an image recording module and a processing module, wherein the car module comprises a car unit and a car unit, and at least three laser target units are provided, which are arranged at intervals of two on the top of the car unit; the traction module comprises a traction machine unit, and the traction machine unit comprises a traction wheel, and the traction wheel is connected to a steel wire rope, and one end of the steel wire rope away from the traction wheel is connected to a car top wheel, and the car top wheel is rotatably connected to the car unit; the laser module comprises a laser unit, and the laser unit is arranged above the car unit, and the laser unit is configured to: when one of the laser target units is turned on, measure the distance between the laser unit and the laser target unit distance; the image recording module includes a first image recording unit and a second image recording unit, the first image recording unit is arranged at one side of the car top wheel, and is used to record the image information of the car top wheel and the image information of the wire ropes on both sides of the car top wheel in real time; the second image recording unit is arranged at one side of the traction wheel, and is used to record the image information of the traction wheel and the image information of the wire ropes on both sides of the traction wheel in real time; the processing module is communicatively connected with the laser target unit, the laser unit, the first image recording unit and the second image recording unit, and is used to obtain the distance information between the laser unit and the laser target unit, the image information of the car top wheel and the image information of the wire ropes on both sides of the car top wheel, the image information of the traction wheel and the image information of the wire ropes on both sides of the traction wheel, and obtain the wear model of the traction wheel, the wire rope and the car top wheel.

[0008] Furthermore, the car module also includes a laser target switch unit and a car communication unit, the laser target switch unit is electrically connected to the laser target unit and is used to control the opening and closing of the laser target unit; the car communication unit is electrically connected to the laser target switch unit, and the car communication unit is communicatively connected to the processing module.

[0009] Furthermore, the laser module also includes a laser attenuation unit, a laser switch unit and a laser communication unit. The laser attenuation unit is arranged at the light source end of the laser unit and is used to adjust the laser propagation distance of the laser unit; the laser switch unit is electrically connected to the laser unit and is used to control the opening and closing of the laser unit; the laser communication unit is electrically connected to the laser switch unit, and the laser communication unit is communicatively connected to the processing module.

[0010] Furthermore, the image recording module also includes a first image communication unit and a second image communication unit, the first image communication unit is electrically connected to the first image recording unit, and the first image communication unit is communicatively connected to the processing module; the second image communication unit is electrically connected to the second image recording unit, and the second image communication unit is communicatively connected to the processing module.

[0011] Furthermore, the first image recording unit and the second image recording unit are both industrial cameras.

[0012] Furthermore, the car module also includes a laser correction unit, which includes a base and a group of concave-convex blocks, wherein the base is fixed above the car unit; the group of concave-convex blocks is arranged in a circular row on the base along the center of the base, and the group of concave-convex blocks is used to verify the inspection accuracy of the laser unit.

[0013] Furthermore, the bump group includes a first bump, a first groove, a second bump, a second groove and a second groove, the first bump is fixed on one side of the base; the first groove is arranged on one side of the first bump; the second bump is arranged on one side of the first groove and is located on a side away from the first bump; the second groove is arranged on one side of the second bump and is located on a side away from the first groove; the third bump is arranged on one side of the second groove and is located on a side away from the second bump; the first groove and the second groove are both at the same height, and the first bump, the second bump and the third bump have different heights and are all preset heights.

[0014] Furthermore, the car module also includes a car backup power unit and a car data storage unit, the car backup power unit is fixed on the top of the car unit; the car data storage unit is fixed in the car unit, and is used to store the acquired distance information between the laser unit and the laser target unit, the image information of the car top wheel and the image information of the wire ropes on both sides of the car top wheel, and the image information of the traction wheel and the image information of the wire ropes on both sides of the traction wheel.

[0015] Furthermore, it also includes a management module, which includes a management communication unit and a cloud storage unit. The management communication unit is communicatively connected to the processing modules corresponding to the several car modules, and is used to obtain the distance information between the laser unit and the laser target unit in the processing module corresponding to the car module, the image information of the car top wheel and the image information of the wire ropes on both sides of the car top wheel, and the image information of the traction wheel and the image information of the wire ropes on both sides of the traction wheel; the cloud storage unit is electrically connected to the management communication unit, and is used to store the processing modules corresponding to the several car modules obtained by the management communication unit.

[0016] Furthermore, the traction module also includes a traction machine, a traction machine emergency control unit and a traction machine communication unit, the traction machine driving end is connected to the traction wheel, and the traction machine is arranged above the car unit; the traction machine emergency control unit is used to control the operation of the traction machine; the traction machine communication unit is electrically connected to the traction machine emergency control unit, the traction machine communication unit is communicatively connected to the processing module, and the traction machine communication unit is also communicatively connected to the management communication unit, which is used to remotely control the traction machine emergency control unit for emergency braking in an emergency.

[0017] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0018] The laser unit is used to measure multiple laser target units, thereby obtaining the position information of the elevator car unit; the image information of the car top wheel and the image information of the steel wire ropes on both sides of the car top wheel are recorded by the first image recording unit, and the image information of the traction wheel and the image information of the steel wire ropes on both sides of the traction wheel are recorded by the second image recording unit, and the original image information of the car top wheel and the image information of the steel wire ropes on both sides of the car top wheel, the image information of the traction wheel and the image information of the steel wire ropes on both sides of the traction wheel are compared and analyzed with the real-time acquired information by the processing module. Then, the laser unit is used to obtain the precise position information of the elevator car module. The measurement accuracy of the steel wire rope and the traction wheel is improved, the use accuracy of the elevator is improved, and the installation workload and the subsequent maintenance cost are reduced. The problem that the existing technology needs to install a leveling light-isolating plate on each floor, the installation workload is too large, and the subsequent maintenance cost is too high is overcome. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the overall structure of an elevator leveling accuracy measuring device provided by an embodiment of the utility model;

[0020] Figure 2 for Figure 1 The enlarged schematic diagram at A in the middle;

[0021] Figure 3 A schematic diagram of an elevator leveling accuracy measuring device provided in an embodiment of the utility model.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1. Car module; 11. Car unit; 12. Laser target unit; 13. Laser target switch unit; 14. Car communication unit; 15. Laser correction unit; 151. Base; 152. Concave and convex block group; 1521. First convex block; 1522. First concave groove; 1523. Second convex block; 1524. Second concave groove; 1525. Third convex block; 16. Car backup power unit; 17. Car data storage unit;

[0024] 2. Traction module; 21. Traction machine unit; 211. Traction wheel; 212. Wire rope; 213. Car top wheel; 214. Traction machine; 22. Traction machine emergency control unit; 23. Traction machine communication unit;

[0025] 3. Laser module; 31. Laser unit; 32. Laser attenuation unit; 33. Laser switch unit; 34. Laser communication unit;

[0026] 4. Image recording module; 41. First image recording unit; 42. Second image recording unit; 43. First image communication unit; 44. Second image communication unit;

[0027] 5. Processing module;

[0028] 6. Management module; 61. Management communication unit; 62. Cloud storage unit. DETAILED DESCRIPTION

[0029] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0031] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0032] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element, or connected to the other element through an intermediate element. The "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0033] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0034] like Figures 1 to 3As shown, an elevator leveling accuracy measuring device includes a car module 1, a traction module 2, a laser module 3, an image recording module 4 and a processing module 5, wherein the car module 1 includes a car unit 11 and a car unit 11, and at least three laser target units 12 are arranged at intervals on the top of the car unit 11; the traction module 2 includes a traction machine unit 21, and the traction machine unit 21 includes a traction wheel 211, and the traction wheel 211 is connected to a steel wire rope 212, and the end of the steel wire rope 212 away from the traction wheel 211 is connected to a car top wheel 213, and the car top wheel 213 is rotatably connected to the car unit 11; the laser module 3 includes a laser unit 31, and the laser unit 31 is arranged above the car unit 11, and the laser unit 31 is configured to: when one of the laser target units 12 is turned on, measure the distance between the laser unit 31 and the laser target unit 12; the image recording module 4 includes a first image The image recording unit 41 and the second image recording unit 42, wherein the first image recording unit 41 is arranged at one side of the car top wheel 213, and is used to record the image information of the car top wheel 213 and the image information of the steel wire ropes 212 on both sides of the car top wheel 213 in real time; the second image recording unit 42 is arranged at one side of the traction wheel 211, and is used to record the image information of the traction wheel 211 and the image information of the steel wire ropes 212 on both sides of the traction wheel 211 in real time; the processing module 5 is communicatively connected with the laser target unit 12, the laser unit 31, the first image recording unit 41 and the second image recording unit 42, and is used to obtain the distance information between the laser unit 31 and the laser target unit 12, the image information of the car top wheel 213 and the image information of the steel wire ropes 212 on both sides of the car top wheel 213, the image information of the traction wheel 211 and the image information of the steel wire ropes 212 on both sides of the traction wheel 211, and obtain the wear model of the traction wheel 211, the steel wire rope 212 and the car top wheel 213.

[0035] In this embodiment, the laser unit 31 is used to obtain accurate distance information between the laser unit 31 and the laser target unit 12, thereby obtaining the position information of the elevator car unit 11. The wear models of the traction wheel 211, the wire rope 212 and the car top wheel 213 are obtained through the image information of the car top wheel 213 and the image information of the steel wire rope 212 on both sides of the car top wheel 213 and the image information of the traction wheel 211 and the image information of the steel wire rope 212 on both sides of the traction wheel 211.

[0036] The method for obtaining the wear model of the traction wheel 211, the wire rope 212 and the car top wheel 213 is as follows: the first step: obtaining the position information of each floor through the laser unit 31, and obtaining the image information of the car top wheel 213 at each floor and the image information of the wire rope 212 on both sides of the car top wheel 213 and the image information of the traction wheel 211 and the image information of the wire rope 212 on both sides of the traction wheel 211, and extracting the rope groove contour, and saving it as initial data; the second step: obtaining the image information of the car top wheel 213 at each floor and the image information of the car top wheel 213 at each floor during use; 3 image information of the steel wire rope 212 on both sides of the traction wheel 211 and the image information of the steel wire rope 212 on both sides of the traction wheel 211, and extract the rope groove contour information; the third step: the rope groove contour information in use is matched and compared with the original rope groove contour information; the fourth step: extract the coordinates of the upper and lower boundaries of the rope groove contour, and fit the upper and lower boundary coordinates; the fifth step: calculate the contour spacing difference and perform error compensation; the sixth step: determine whether the original driving distance of the elevator car unit 11 driven by the traction module 2 and the real-time driving distance of the elevator car 11 are within a reasonable range. In this way, the accuracy of the laser unit 31 in measuring the position of the elevator car unit 11 is guaranteed.

[0037] Among them, since the original data information of the wire rope 212 and the wear information during use are obtained, the original data and the image information of the car top wheel 213 at each floor during use, the image information of the wire rope 212 on both sides of the car top wheel 213, the image information of the traction wheel 211, and the image information of the wire rope 212 on both sides of the traction wheel 211 are also obtained. The number of turns of the wire rope 212 after rotating on the traction wheel 211 and the car top wheel 213 is also obtained. Therefore, the running distance of the wire rope 212 after rotating on the traction wheel 211 and the car top wheel 213 can be estimated. At the same time, the position of the elevator car unit 11 is measured in combination with the laser unit 31. The accuracy of the position of the elevator car unit 11 is further ensured.

[0038] In addition, the laser unit 31 of the present application is a red semiconductor laser, which is a diffuse reflection type, has a ranging resolution of 0.1mm, and a repeatability of 0.1mm. The present application is based on the hardware circuit design of the DFB laser array drive and high-performance dedicated signal processing of REC technology. In order to realize the intelligent control of the DFB laser array, it is proposed to set up an intelligent, high-precision, digitally controlled driving circuit scheme. The hardware system uses a single-chip microcomputer and FPGA as the main control chip, and has the characteristics of small size, high efficiency, no impact, and switch protection lamp. The output of the DFB laser array can be controlled by an external adjustable signal. The system converts the analog control model into a digital control model, which improves the performance of the driving circuit. The system can monitor the temperature and current of the DFB laser array in real time. The output accuracy of the current can reach 0.1mA, ensuring that the DFB laser array works stably and reliably. The driving circuit is conducive to the flexible use of the DFB laser array.

[0039] At the same time, this device develops the elevator traction wheel groove wear detection function based on laser vision technology. This system has established an actual hardware detection platform, collected the gap image between the wire rope and the bottom of the traction wheel groove, performed target matching based on the multi-feature fusion algorithm, obtained the ROI area, and obtained the optimal threshold through the simulated annealing algorithm to remove the interference light in the weak light environment, and realize the accurate extraction of the boundary coordinates of the target area, and perform fitting. Then the wear amount is calculated, and the above wear amount is compensated according to the established occlusion compensation model to obtain the accurate value. Finally, the detection accuracy of the system is verified. In order to achieve real-time and rapid detection, this system intends to improve the existing connected domain extraction algorithm. First, the acquired image is pre-processed by binarization according to the Otsu method, and then the above steps proposed in this article are executed to obtain the final result.

[0040] Finally, the processing module 5 of the present application adopts a hardware system with a single-chip microcomputer and FPGA as the main control chip, which has the characteristics of small size, high efficiency, no impact, switch protection, etc. The single-chip microcomputer model is 8051.

[0041] In some embodiments, the car module 1 also includes a laser target switch unit 13 and a car communication unit 14, the laser target switch unit 13 is electrically connected to the laser target unit 12, and is used to control the opening and closing of the laser target unit 12; the car communication unit 14 is electrically connected to the laser target switch unit 13, and the car communication unit 14 is communicatively connected to the processing module 5.

[0042] In this embodiment, by providing a laser target switch unit 13, multiple laser target units 12 are turned on and off in sequence, and the laser unit 31 measures the multiple laser target units 12, so as to obtain more accurate distance information.

[0043] In some embodiments, the laser module 3 also includes a laser attenuation unit 32, a laser switch unit 33 and a laser communication unit 34. The laser attenuation unit 32 is arranged at the light source end of the laser unit 31, and is used to adjust the laser propagation distance of the laser unit 31; the laser switch unit 33 is electrically connected to the laser unit 31, and is used to control the opening and closing of the laser unit 31; the laser communication unit 34 is electrically connected to the laser switch unit 33, and the laser communication unit 34 is communicatively connected to the processing module 5.

[0044] In this embodiment, the extinction ratio method will be improved based on the influence of atmospheric turbulence on laser transmission. A laser attenuation unit 32 is set at the light source end of the laser unit 31 to change the laser propagation distance of the laser unit 31 and to correct the actual measurement error of the laser unit 31, so that the laser unit 31 can measure more accurate data under extreme use environments. In addition, the laser attenuation unit 32 of this application adopts a femtosecond laser attenuator.

[0045] In some embodiments, the image recording module 4 also includes a first image communication unit 43 and a second image communication unit 44, the first image communication unit 43 is electrically connected to the first image recording unit 41, and the first image communication unit 43 is communicatively connected to the processing module 5; the second image communication unit 44 is electrically connected to the second image recording unit, and the second image communication unit 44 is communicatively connected to the processing module 5.

[0046] In this embodiment, the first image communication unit 43 and the second image communication unit 44 adopt the ESP32 visual module. In addition, the present application can not only use the ESP32 visual module for the first image communication unit 43 and the second image communication unit 44, but also set them to conventional image communication modules on the market to transmit image information.

[0047] In some embodiments, the first image recording unit 41 and the second image recording unit 42 are both industrial cameras.

[0048] In this embodiment, the acquired image information is processed and converted into data information by the first image recording unit 41 and the second image recording unit 42, and then transmitted to the processing module 5 by the first image communication unit 43 and the second image communication unit 44, and analyzed by the processing module 5. In addition, the processing module 5 uses an Intel processor.

[0049] In some embodiments, the car module 1 also includes a laser correction unit 15, which includes a base 151 and a concave-convex block group 152, the base 151 is fixed above the car unit 11; the concave-convex block group 152 is arranged in a circular row on the base 151 along the center of the base 151, and the concave-convex block group 152 is used to verify the inspection accuracy of the laser unit 31.

[0050] In some embodiments, the bump group 152 includes a first bump 1521, a first groove 1522, a second bump 1523, a second groove 1524 and a second groove 1525, the first bump 1521 is fixed on one side of the base 151; the first groove 1522 is arranged on one side of the first bump 1521; the second bump 1523 is arranged on one side of the first groove 1522 and is located on a side away from the first bump 1521; the second groove 1524 is arranged on one side of the second bump 1523 and is located on a side away from the first groove 1522; the third bump 1525 is arranged on one side of the second groove 1524 and is located on a side away from the second bump 1523; the first groove 1522 and the second groove 1524 are both located at the same height, the first bump 1521, the second bump 1523 and the third bump 1525 have different heights and are all preset heights.

[0051] In this embodiment, under extreme use conditions, by adjusting the laser propagation distance of the laser unit 31, the laser of the laser unit 31 measures the first bump 1521, the first groove 1522, the second bump 1523, the second groove 1524 and the third bump 1525 in sequence, because the first groove 1522 and the second groove 1524 are located at the same height. The first bump 1521, the second bump 1523 and the third bump 1525 have different heights and are all preset heights, such as setting the heights of the first bump 1521, the second bump 1523 and the third bump 1525 to 10 mm, 20 mm and 30 mm. After adjusting the laser propagation distance of the laser unit 31, the accuracy of the measurement of the laser unit 31 is determined based on the measurement results.

[0052] In some embodiments, the car module 1 also includes a car backup power unit 16 and a car data storage unit 17, wherein the car backup power unit 16 is fixed on the top of the car unit 11; the car data storage unit 17 is fixed in the car unit 11, and is used to store the acquired distance information between the laser unit 31 and the laser target unit 12, the image information of the car top wheel 213 and the image information of the wire rope 212 on both sides of the car top wheel 213, and the image information of the traction wheel 211 and the image information of the wire rope 212 on both sides of the traction wheel 211.

[0053] In some embodiments, a management module 6 is also included, and the management module 6 includes a management communication unit 61 and a cloud storage unit 62. The management communication unit 61 is communicatively connected with the processing modules 5 corresponding to the several car modules 1, and is used to obtain the distance information between the laser unit 31 and the laser target unit 12 in the processing module 5 corresponding to the car module 1, the image information of the car top wheel 213 and the image information of the steel wire rope 212 on both sides of the car top wheel 213, and the image information of the traction wheel 211 and the image information of the steel wire rope 212 on both sides of the traction wheel 211; the cloud storage unit 62 is electrically connected to the management communication unit 61, and is used to store the processing modules 5 corresponding to the several car modules 1 obtained by the management communication unit 61.

[0054] In this embodiment, by setting up the management module 6, the administrator can remotely observe the specific data information of the corresponding car module 1. Thus, the operation rules of all car modules 1 can be obtained through cloud data. In addition, the management communication unit 61 adopts a Wifi wireless network communication unit.

[0055] In some embodiments, the traction module 2 also includes a traction machine 214, a traction machine emergency control unit 22 and a traction machine communication unit 23. The driving end of the traction machine 214 is connected to the traction wheel 211, and the traction machine 214 is arranged above the car unit 11; the traction machine emergency control unit 22 is used to control the operation of the traction machine 214; the traction machine communication unit 23 is electrically connected to the traction machine emergency control unit 22, the traction machine communication unit 23 is communicatively connected to the processing module 5, and the traction machine communication unit 23 is also communicatively connected to the management communication unit 61, and is used to remotely control the emergency braking of the traction machine emergency control unit 22 in an emergency. In addition, the traction machine communication unit 23 uses a Wifi wireless network communication unit.

[0056] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0057] The laser unit is used to measure multiple laser target units, thereby obtaining the position information of the elevator car unit; the image information of the car top wheel and the image information of the steel wire ropes on both sides of the car top wheel are recorded by the first image recording unit, and the image information of the traction wheel and the image information of the steel wire ropes on both sides of the traction wheel are recorded by the second image recording unit, and the original image information of the car top wheel and the image information of the steel wire ropes on both sides of the car top wheel, the image information of the traction wheel and the image information of the steel wire ropes on both sides of the traction wheel are compared and analyzed with the real-time acquired information by the processing module. Then, the laser unit is used to obtain the precise position information of the elevator car module. The measurement accuracy of the steel wire rope and the traction wheel is improved, the use accuracy of the elevator is improved, and the installation workload and the subsequent maintenance cost are reduced. The problem that the existing technology needs to install a leveling light-isolating plate on each floor, the installation workload is too large, and the subsequent maintenance cost is too high is overcome.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An elevator leveling accuracy measuring device, characterized in that: include: A car module (1), comprising: A car unit (11); At least three laser target units (12) are provided and are arranged at intervals of two on the top of the car unit (11); A traction module (2) comprises a traction machine unit (21), wherein the traction machine unit (21) comprises: A traction wheel (211) is connected to a steel wire rope (212), one end of the steel wire rope (212) away from the traction wheel (211) is connected to a car top wheel (213), and the car top wheel (213) is rotatably connected to the car unit (11); A laser module (3), comprising: A laser unit (31) is arranged above the car unit (11), and the laser unit (31) is configured to: when one of the laser target units (12) is turned on, measure the distance between the laser unit (31) and the laser target unit (12); The image recording module (4) comprises: A first image recording unit (41) is arranged on one side of the car top wheel (213) and is used to record image information of the car top wheel (213) and image information of the steel wire ropes (212) on both sides of the car top wheel (213) in real time; A second image recording unit (42) is disposed on one side of the traction wheel (211) and is used to record image information of the traction wheel (211) and image information of the steel wire ropes (212) on both sides of the traction wheel (211) in real time; A processing module (5) is communicatively connected with the laser target unit (12), the laser unit (31), the first image recording unit (41) and the second image recording unit (42), and is used to obtain distance information between the laser unit (31) and the laser target unit (12), image information of the car top wheel (213), image information of the steel wire ropes (212) on both sides of the car top wheel (213), image information of the traction wheel (211) and image information of the steel wire ropes (212) on both sides of the traction wheel (211), and to obtain wear models of the traction wheel (211), the steel wire ropes (212) and the car top wheel (213).

2. The elevator leveling accuracy measuring device according to claim 1, characterized in that: The car module (1) further comprises: A laser target switch unit (13), which is electrically connected to the laser target unit (12) and is used to control the opening and closing of the laser target unit (12); A car communication unit (14) is electrically connected to the laser target switch unit (13), and the car communication unit (14) is communicatively connected to the processing module (5).

3. The elevator leveling accuracy measuring device according to claim 1, characterized in that: The laser module (3) further comprises: A laser attenuation unit (32), which is arranged at the light source end of the laser unit (31) and is used to adjust the laser propagation distance of the laser unit (31); A laser switch unit (33), which is electrically connected to the laser unit (31) and is used to control the on and off of the laser unit (31); A laser communication unit (34) is electrically connected to the laser switch unit (33), and the laser communication unit (34) is communicatively connected to the processing module (5).

4. The elevator leveling accuracy measuring device according to claim 1, characterized in that: The image recording module (4) further comprises: A first image communication unit (43), which is electrically connected to the first image recording unit (41), and the first image communication unit (43) is communicatively connected to the processing module (5); A second image communication unit (44) is electrically connected to the second image recording unit, and the second image communication unit (44) is communicatively connected to the processing module (5).

5. The elevator leveling accuracy measuring device according to claim 1, characterized in that: The first image recording unit (41) and the second image recording unit (42) are both industrial cameras.

6. The elevator leveling accuracy measuring device according to claim 1, characterized in that: The car module (1) further comprises a laser correction unit (15), which comprises: A base (151) fixed above the car unit (11); A concave-convex block group (152) is arranged in a circular array on the base (151) along the center of the base (151), and the concave-convex block group (152) is used to verify the inspection accuracy of the laser unit (31).

7. The elevator leveling accuracy measuring device according to claim 6, characterized in that: The concave-convex block group (152) comprises: A first protrusion (1521) fixed on one side of the base (151); A first groove (1522), which is arranged on one side of the first protrusion (1521); A second protrusion (1523) is disposed on one side of the first groove (1522) and is located on a side away from the first protrusion (1521); A second groove (1524) is provided on one side of the second protrusion (1523) and is located on a side away from the first groove (1522); a third protrusion (1525), which is arranged on one side of the second groove (1524) and is located on a side away from the second protrusion (1523); The first groove (1522) and the second groove (1524) are both located at the same height, and the first protrusion (1521), the second protrusion (1523) and the third protrusion (1525) have different heights and are all preset heights.

8. The elevator leveling accuracy measuring device according to claim 1, characterized in that: The car module (1) further comprises: A car backup power unit (16) fixed on the top of the car unit (11); A car data storage unit (17) is fixed in the car unit (11) and is used to store the acquired distance information between the laser unit (31) and the laser target unit (12), the image information of the car top wheel (213) and the image information of the steel wire ropes (212) on both sides of the car top wheel (213), the image information of the traction wheel (211) and the image information of the steel wire ropes (212) on both sides of the traction wheel (211).

9. The elevator leveling accuracy measuring device according to claim 1, characterized in that: Also included is a management module (6), which includes: a management communication unit (61) which is in communication connection with the processing modules (5) corresponding to the plurality of car modules (1) and is used to obtain distance information between the laser unit (31) and the laser target unit (12) in the processing module (5) corresponding to the car module (1), image information of the car top wheel (213) and image information of the steel wire ropes (212) on both sides of the car top wheel (213), image information of the traction wheel (211) and image information of the steel wire ropes (212) on both sides of the traction wheel (211); A cloud storage unit (62) is electrically connected to the management communication unit (61) and is used to store the processing modules (5) corresponding to the plurality of elevator modules (1) acquired by the management communication unit (61).

10. The elevator leveling accuracy measuring device according to claim 9, characterized in that: The traction module (2) further comprises: A traction machine (214), a driving end of which is connected to the traction wheel (211), and the traction machine (214) is arranged above the car unit (11); A traction machine emergency control unit (22), which is used to control the operation of the traction machine (214); A traction machine communication unit (23) is electrically connected to the traction machine emergency control unit (22), the traction machine communication unit (23) is communicatively connected to the processing module (5), and the traction machine communication unit (23) is also communicatively connected to the management communication unit (61), and is used to remotely control the emergency braking of the traction machine emergency control unit (22) in an emergency situation.

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