CN217867559U

CN217867559U - Elevator running state monitoring system

Info

Publication number: CN217867559U
Application number: CN202222067253.3U
Authority: CN
Inventors: 林辰; 金仲平; 董灵军; 陈永玉; 洪志明; 张雍; 王涤宇; 吕正; 陶修飞; 邵剑
Original assignee: Taizhou Special Equipment Inspection And Testing Research Institute
Current assignee: Taizhou Special Equipment Inspection And Testing Research Institute
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-22
Anticipated expiration: 2032-08-03

Abstract

The utility model provides an elevator running state monitoring system belongs to elevator technical field. The elevator safety monitoring device solves the problem that potential safety hazards possibly existing in the conventional elevator detection cycle are not monitored in time in a fixed mode. This elevator running state monitoring system includes the controller, a display module, a pulse detection circuit that is used for carrying out the pulse signal to elevator tachometer output and an AD sampling circuit that is used for carrying out the collection to the analog quantity of elevator tachometer output, a display module, pulse detection circuit and AD sampling circuit all are connected with the controller, the controller is used for calculating elevator functioning speed according to pulse signal or analog quantity, and then obtain acceleration and displacement according to acceleration and displacement calculation formula, a display module is used for calculating the elevator functioning speed that obtains with the controller, acceleration and displacement are shown. The elevator running state monitoring system realizes real-time monitoring of the elevator running state and improves safety.

Description

Elevator running state monitoring system

Technical Field

The utility model belongs to the technical field of the elevator, a elevator running state monitoring system is related to.

Background

In modern society and economic activities, computer technology, automatic control technology and power electronic technology have been rapidly developed, and elevators have been widely used as an important transportation tool in office buildings, companies, high-rise residences, hotels and other places.

Like any other vehicles, elevators inevitably bring certain risks while saving time and physical strength for people. For the prevention of elevator safety risks, at present, the adopted means mainly depend on the regular maintenance of a maintenance unit and the regular inspection of an elevator inspection mechanism, but in the detection process of the monitoring mode, the danger coefficient is high, meanwhile, the detection period is in a fixed form, potential safety hazards which possibly exist cannot be monitored in time, the safety is low, and the input labor cost is high.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide an elevator running state monitoring system, its technical problem that will solve is: how to realize the real-time monitoring of the running state of the elevator and improve the safety.

The purpose of the utility model can be realized by the following technical proposal: the elevator running state monitoring system comprises a controller, a display module, a pulse detection circuit and an AD sampling circuit, wherein the pulse detection circuit is used for collecting pulse signals output by an elevator tachometer, the AD sampling circuit is used for collecting analog quantity output by the elevator tachometer, the display module, the pulse detection circuit and the AD sampling circuit are all connected with the controller, the controller is used for calculating the elevator running speed according to the pulse signals or the analog quantity and further obtaining acceleration and displacement according to an acceleration and displacement calculation formula, and the display module is used for displaying the elevator running speed, the acceleration and the displacement which are obtained by calculation of the controller.

The elevator running state monitoring system is used for processing the pulse signal and the analog quantity output by the elevator tachometer to obtain real-time running data of the elevator, wherein the pulse detection circuit is used for collecting the pulse signal output by the elevator tachometer, the AD sampling circuit is used for collecting the analog quantity output by the elevator tachometer, the signals collected by the pulse detection circuit and the AD sampling circuit are all transmitted to the controller, when the pulse detection value is smaller than a preset value, if 100m/min, the running speed of the elevator is obtained according to the product of the analog quantity and the analog quantity speed conversion coefficient, otherwise, the running speed of the elevator is obtained according to the product of the pulse value and the pulse speed conversion coefficient, then, the controller respectively calculates the acceleration and displacement according to the calculation formula of the acceleration and the displacement obtained by calculation, the calculation and processing of the running speed, the acceleration and the displacement of the elevator by the controller are the prior art, the system does not relate to the improvement of a control program, the display circuit is used for calculating the running speed of the elevator, the acceleration and the displacement obtained by the controller, and the safety of the elevator can be timely displayed and the fault can be conveniently displayed when the user occurs.

In the above elevator operation state monitoring system, the elevator operation state monitoring system further includes a key module for turning on and off a monitoring function and switching display contents, and the key module is connected to the controller. The setting of button module guarantees to start working when the button is pressed, reduces the energy waste, and the demonstration content also can switch through the button, provides the convenience of elevator running state monitoring.

In the above elevator operation state monitoring system, the key module includes a power on/off key for turning on/off the monitoring function and a function selection key for switching display contents, and both the power on/off key and the function selection key are connected to the controller.

In the above elevator operation state monitoring system, the elevator operation state monitoring system further includes a storage module for storing elevator operation state data, and the storage module is connected with the controller. The controller calculates and obtains numerical values of the running speed, the acceleration, the displacement and the like of the elevator, and the numerical values are stored in the storage module, so that the data can be conveniently inquired in the later period.

In the above elevator operation state monitoring system, the elevator operation state monitoring system further includes an SPI bus, and the storage module is connected to the controller through the SPI bus. SPI is an abbreviation for Serial Peripheral Interface (Serial Peripheral Interface), and has the advantage of a data rate block.

In the above elevator operation state monitoring system, the elevator operation state monitoring system further includes a wireless transmission module for wirelessly transmitting the measured data to the mobile terminal, and the wireless transmission module is connected to the controller. The setting of wireless transmission module can obtain like data wireless transmission such as elevator operating speed, acceleration and displacement with the measurement for mobile terminal, like equipment such as cell-phone, PC, the user of being convenient for monitors the elevator running state, further improves the security.

In the above elevator operation state monitoring system, the elevator operation state monitoring system further includes a serial bus, and the wireless transmission module is connected with the controller through the serial bus.

In the elevator running state monitoring system, the wireless transmission module comprises a WIFI module, bluetooth and/or mobile data. The mobile data includes 4G, 5G, and the like.

Compared with the prior art, this elevator running state monitoring system gathers through pulse signal and the analog quantity to setting up the elevator tachometer output in tow wheel department to this obtains elevator functioning speed, acceleration and displacement, has realized the real-time supervision to elevator running state, and can also show and send the mobile terminal through the elevator running state data that wireless transmission module will monitor through display module, guarantee that the user can know the running state of elevator at any time, the security has been improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a controller; 2. a display module; 3. a pulse detection circuit; 4. an AD sampling circuit; 5. a key module; 51. a power-on and power-off button; 52. a function selection key; 6. a storage module; 7. an SPI bus; 8. a wireless transmission module; 9. a serial bus.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, this elevator running state monitoring system includes controller 1, display module 2, pulse detection circuit 3, SPI bus 7, serial bus 9, AD sampling circuit 4, button module 5, storage module 6 and wireless transmission module 8, display module 2, pulse detection circuit 3, button module 5 and AD sampling circuit 4 all are connected with controller 1, storage module 6 passes through SPI bus 7 and is connected with controller 1, wireless transmission module 8 passes through serial bus 9 and is connected with controller 1, wherein, button module 5 includes switch button 51 and function selection button 52, switch button 51 and function selection button 52 all are connected with controller 1.

The pulse detection circuit 3 comprises a Schmitt trigger 74HC14 and a photoelectric coupler PC817C, the Schmitt trigger 74HC14 is adopted to finish the shaping of pulse signals, a better square wave signal is obtained, and the square wave signal is transmitted to the controller 1 after being isolated by the photoelectric coupler PC 817C.

The AD sampling circuit 4 adopts a sampling chip with the model number of ADC 0809.

The controller 1 is a single chip microcomputer.

The working principle is as follows: the elevator tachometer is a device arranged at the position of a traction sheave of the elevator and used for monitoring the running state of the elevator and outputting a pulse signal and an analog quantity. The elevator running state monitoring system starts to work when a startup and shutdown key 51 in a key module 5 is pressed down, pulse signals output by an elevator tachometer are collected through a pulse detection circuit 3 and are transmitted to a controller 1, analog quantity output by the elevator tachometer is collected through an AD sampling circuit 4 and is transmitted to the controller 1, the controller 1 calculates and processes the received pulse signals and the analog quantity through the existing calculation mode, specifically, when a pulse detection numerical value is smaller than a preset value, such as 100m/min, the elevator running speed is obtained according to the product of the analog quantity and an analog quantity speed conversion coefficient, otherwise, the elevator running speed is obtained according to the product of the pulse numerical value and the pulse speed conversion coefficient, and then, the controller 1 calculates and obtains acceleration and displacement respectively through an acceleration and displacement calculation formula based on the calculated elevator running speed, storage module 6 then calculates the elevator functioning speed that obtains to controller 1, data such as acceleration and displacement are saved, be convenient for the later stage to look over, display module 2 is then to elevator functioning speed, data such as acceleration and displacement show, realize through function selection button 52 that show in display module 2 if elevator functioning speed, data such as acceleration and displacement switch over and look over, controller 1 can also be through wireless transmission module 8 with elevator functioning speed, data transmission such as acceleration and displacement are to on the user's cell-phone or on the PC, be convenient for the user monitor elevator functioning state at any time, the real time monitoring of elevator functioning state has been realized, also can in time react when breaking down, the security has been improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The elevator running state monitoring system is characterized by comprising a controller (1), a display module (2), a pulse detection circuit (3) and an AD sampling circuit (4), wherein the pulse detection circuit (3) is used for collecting pulse signals output by an elevator tachometer, the AD sampling circuit (4) is used for collecting analog quantities output by the elevator tachometer, the display module (2), the pulse detection circuit (3) and the AD sampling circuit (4) are all connected with the controller (1), the controller (1) is used for calculating the elevator running speed according to the pulse signals or the analog quantities and further obtaining acceleration and displacement according to an acceleration and displacement calculation formula, and the display module (2) is used for displaying the elevator running speed, the acceleration and the displacement which are obtained through calculation by the controller (1).

2. The elevator running state monitoring system according to claim 1, further comprising a key module (5) for turning on and off a monitoring function and switching display contents, wherein the key module (5) is connected with the controller (1).

3. The elevator running state monitoring system according to claim 2, wherein the key module (5) comprises a power on/off key (51) for performing a power on/off monitoring function and a function selection key (52) for switching display contents, and the power on/off key (51) and the function selection key (52) are both connected with the controller (1).

4. Elevator operating condition monitoring system according to claim 1 or 2 or 3, characterized in that it further comprises a memory module (6) for storing elevator operating condition data, which memory module (6) is connected to the controller (1).

5. Elevator operating condition monitoring system according to claim 4, characterized in that it further comprises an SPI bus (7), the memory module (6) being connected to the controller (1) by means of the SPI bus (7).

6. The elevator operation state monitoring system according to claim 1, further comprising a wireless transmission module (8) for wirelessly transmitting the measured data to a mobile terminal, wherein the wireless transmission module (8) is connected with the controller (1).

7. The elevator operation state monitoring system according to claim 6, further comprising a serial bus (9), wherein the wireless transmission module (8) is connected to the controller (1) through the serial bus (9).

8. Elevator operating condition monitoring system according to claim 6 or 7, characterized in that the wireless transmission module (8) comprises a WIFI module, bluetooth and/or movement data.