CN213122285U - Intelligent measurement system for distance between elevator car sill and inner surface of well - Google Patents

Abstract

The utility model discloses an intelligent measuring system for the distance between an elevator car sill and the inner surface of a well, which comprises a data acquisition module, a data acquisition module and a data processing module, wherein the data acquisition module is used for measuring and acquiring the distance between the elevator car sill and the inner surface of the well; the DSP core processing module is used for carrying out filtering and data fusion processing on the distance data to obtain a final distance; the wireless communication module is used for realizing data communication between the upper computer and the DSP core processing module; the human-computer interaction module is used for controlling the system to work and displaying each data message; the data storage module is used for storing data in the working process of the system in real time; the electric guide rail module is used for realizing the complete scanning of the system to the horizontal direction of the elevator shaft wall; and the power supply module is used for providing required voltage for other modules. The utility model discloses can effectively improve measurement accuracy and reliability, improve inspection personnel's inspection efficiency greatly, reduce inspection working strength, promote the automation level in elevator car sill and well internal surface distance measurement field.

Description

Intelligent measurement system for distance between elevator car sill and inner surface of well

Technical Field

The utility model belongs to the technical field of measure, in particular to elevator car sill and well internal surface distance intelligence measurement system.

Background

As a vertical transportation tool, the elevator is widely applied to various buildings such as hospitals, schools, markets and the like since the utility model. However, in the aspects of elevator technical inspection, elevator project management, elevator related standard establishment and execution and the like, the elevator industry in China and developed countries still has a large gap. Particularly, the method is relatively lagged behind in the aspect of relevant standard inspection technologies, brings great difficulty to links such as elevator manufacturing production, maintenance supervision and the like, and how to develop a new elevator inspection technology to improve the elevator inspection precision and the automation degree and guarantee the elevator operation safety becomes a key problem to be solved urgently.

Therefore, how to accurately, efficiently and reliably obtain the distance data between the sill of the elevator car and the inner surface of the shaft way is a technical problem to be solved by inspectors. At present, the measurement mode basically stays in manual measurement, the automation intelligence level is not high, and the measurement error and the efficiency are low. Meanwhile, most common measuring instruments on the market adopt a single sensor for measurement, a high-precision single measuring device is extremely high in cost, and the low-cost measuring device is limited in precision. In addition, the environment of the elevator hoistway is relatively complex, and various interference factors exist, such as: temperature, humidity, dust concentration, well surface roughness, dust concentration and the like all can cause the influence to the precision of a certain kind of sensor, have reduced measurement accuracy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the problem that above-mentioned prior art exists, a measurement elevator car sill of high accuracy and well internal surface distance's system is provided.

Realize the utility model discloses the technical solution of purpose does: the system comprises a data acquisition module, a DSP core processing module, a wireless communication module, a man-machine interaction module, a power supply module and an electric guide rail module; the electric guide rail module is arranged on the side surface of the elevator car;

the data acquisition module is used for measuring and acquiring the distance between the sill of the elevator car and the inner surface of the well;

the DSP core processing module is used for carrying out filtering and data fusion processing on the distance data to obtain the final distance between the sill of the elevator car and the inner surface of the well;

the wireless communication module is used for realizing data communication between the upper computer and the DSP core processing module and uploading data acquired by the data acquisition module and data processed by the DSP core processing module to the upper computer;

the human-computer interaction module is used for controlling the distance intelligent measuring system to work and displaying the data acquired by the data acquisition module and the data information processed by the DSP core processing module;

the data storage module is used for storing the data acquired by the data acquisition module and the data information processed by the DSP core processing module in real time;

the electric guide rail modules are used for bearing other modules, and the modules can slide on the guide rails to realize complete scanning of the horizontal direction of the elevator shaft wall;

and the power supply module is used for providing required voltage for other modules.

Further, the data acquisition module comprises a laser sensor, an ultrasonic sensor and a visual sensor.

Further, the human-computer interaction module comprises:

the first control unit is used for starting or suspending the work of the intelligent distance measuring system;

the second control unit is used for controlling the module on the electric guide rail module to move along the guide rail;

the first switching unit is used for switching the intelligent distance measuring system into a single-measurement working mode;

the second switching unit is used for switching the intelligent distance measuring system into a continuous measuring working mode;

and the display unit is used for displaying the data acquired by the data acquisition module and the data information processed by the DSP core processing module.

Compared with the prior art, the utility model, it is showing the advantage and is: 1) meanwhile, the distance is measured by adopting laser ranging, ultrasonic ranging and visual ranging modes, and data obtained by various measuring modes are fused by applying a multi-sensor fusion technology, so that the influence of environments such as dust, temperature, illumination and the like on the measuring result in the traditional single-sensor measuring mode is overcome, and the measuring precision and reliability are effectively improved; 2) the surface of the shaft is completely scanned through the electric parallel guide rail and the up-down motion of the elevator, so that the omnibearing measurement can be realized; 3) the data acquired by the data acquisition module and the data information processed by the DSP core processing module are stored in real time, and the staff can analyze the measured suspicious data again, so that the measurement reliability is further improved; 4) the utility model discloses compare with the artifical inspection mode of tradition, improved inspection personnel's inspection efficiency, reduced inspection working strength, promoted china's automation level in elevator car sill and well internal surface distance measurement field.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a block diagram of an intelligent measurement system for the distance between the sill of an elevator car and the inner surface of a hoistway in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In one embodiment, with reference to fig. 1, an intelligent measurement system for the distance between the sill of an elevator car and the inner surface of a hoistway is provided, and the system includes a data acquisition module, a DSP core processing module, a wireless communication module, a man-machine interaction module, a power supply module, and an electrical rail module; the electric guide rail module is arranged on the side surface of the elevator car;

the data acquisition module is used for measuring and acquiring the distance between the sill of the elevator car and the inner surface of the well;

the DSP core processing module is used for carrying out filtering and data fusion processing on the distance data to obtain the final distance between the sill of the elevator car and the inner surface of the well;

the wireless communication module is used for realizing data communication between the upper computer and the DSP core processing module and uploading data acquired by the data acquisition module and data processed by the DSP core processing module to the upper computer;

the human-computer interaction module is used for controlling the distance intelligent measuring system to work and displaying the data acquired by the data acquisition module and the data information processed by the DSP core processing module;

the data storage module is used for storing the data acquired by the data acquisition module and the data information processed by the DSP core processing module in real time;

the electric guide rail modules are used for bearing other modules, and the modules can slide on the guide rails to realize complete scanning of the horizontal direction of the elevator shaft wall;

here, for the vertical dimension, the measurement system scans in the vertical dimension following the synchronous movement of the elevator car;

and the power supply module is used for providing required voltage for other modules.

Further, in one embodiment, the data acquisition module includes a laser sensor, an ultrasonic sensor, and a vision sensor.

Preferably, the laser sensor adopts an MSE-TS805 series laser displacement sensor, the measuring range of the sensor is 0.5m, the linear precision is 0.1%, and RS485 serial communication is supported;

the ultrasonic sensor adopts an LM-112-010-frequency ultrasonic sensor, the measuring range of the sensor is adjustable within 1.5m, the linear precision is 1 percent, and analog quantity is output;

the vision sensor employs a Cognex Insight 2000 and 120 vision system.

Further, in one embodiment, the laser displacement sensor and the vision sensor exchange data with the DSP core processing module through the serial communication interface, and the ultrasonic sensor exchanges data with the DSP core processing module through the ADC interface.

Further preferably, in one embodiment, the DSP core processing module specifically uses a TMS320F28335 processor chip.

Further, in one embodiment, the wireless communication module adopts a Wifi communication mode.

Here, preferably, the wireless communication module includes a ZLAN7142 serial-to-WiFi converter, which supports RS232 and RS485 communication protocols.

Further, in one embodiment, the human-computer interaction module includes:

the first control unit is used for starting or suspending the work of the intelligent distance measuring system;

the second control unit is used for controlling the module on the electric guide rail module to move along the guide rail;

the first switching unit is used for switching the intelligent distance measuring system into a single-measurement working mode;

the second switching unit is used for switching the intelligent distance measuring system into a continuous measuring working mode;

and the display unit is used for displaying the data acquired by the data acquisition module and the data information processed by the DSP core processing module.

The utility model discloses a distance intelligence measurement system can realize automatic measure, and based on multisensor fusion technique, utilizes ultrasonic sensor, laser sensor and vision sensor to synthesize the measuring distance, can effectively improve measurement accuracy and reliability, can realize all-round measurement through the electric conductance rail module simultaneously. The system can greatly improve the inspection efficiency of inspectors, reduce the inspection working strength and improve the automation level of China in the field of distance measurement between the sill of the elevator car and the inner surface of the shaft. Meanwhile, the system can also be applied to other distance measurement fields to expand the service range of special inspection industry, further increase economic benefits and have strong core competitiveness and popularization value.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The intelligent measurement system for the distance between the elevator car sill and the inner surface of the shaft is characterized by comprising a data acquisition module, a DSP core processing module, a wireless communication module, a man-machine interaction module, a power supply module and an electric guide rail module; the electric guide rail module is arranged on the side surface of the elevator car;

the data acquisition module is used for measuring and acquiring the distance between the sill of the elevator car and the inner surface of the well;

the DSP core processing module is used for carrying out filtering and data fusion processing on the distance data to obtain the final distance between the sill of the elevator car and the inner surface of the well;

the wireless communication module is used for realizing data communication between the upper computer and the DSP core processing module and uploading data acquired by the data acquisition module and data processed by the DSP core processing module to the upper computer;

the human-computer interaction module is used for controlling the distance intelligent measuring system to work and displaying the data acquired by the data acquisition module and the data information processed by the DSP core processing module;

the data storage module is used for storing the data acquired by the data acquisition module and the data information processed by the DSP core processing module in real time;

the electric guide rail modules are used for bearing other modules, and the modules can slide on the guide rails to realize complete scanning of the horizontal direction of the elevator shaft wall;

and the power supply module is used for providing required voltage for other modules.

2. The system of claim 1, wherein the data acquisition module comprises a laser sensor, an ultrasonic sensor, and a visual sensor.

3. The system of claim 2, wherein the laser sensor and the vision sensor exchange data with the DSP core processing module through a serial communication interface, and the ultrasonic sensor exchanges data with the DSP core processing module through an ADC interface.

4. The system for intelligently measuring the distance between the sill of the elevator car and the inner surface of the hoistway according to claim 2, wherein the laser sensor is an MSE-TS805 series laser displacement sensor;

the ultrasonic sensor adopts an LM-112-010-high-frequency ultrasonic sensor;

the vision sensor employs a Cognex Insight 2000 and 120 vision system.

5. The system of claim 1, wherein the DSP core processing module specifically employs a TMS320F28335 processor chip.

6. The system of claim 1, wherein the wireless communication module is configured to communicate with a hoistway via Wifi.

7. The system of claim 1, wherein the wireless communication module comprises a ZLAN7142 serial to WiFi converter that supports RS232 and RS485 communication protocols.

8. The system of claim 1, wherein the human-computer interaction module comprises:

the first control unit is used for starting or suspending the work of the intelligent distance measuring system;

the second control unit is used for controlling the module on the electric guide rail module to move along the guide rail;

the first switching unit is used for switching the intelligent distance measuring system into a single-measurement working mode;

the second switching unit is used for switching the intelligent distance measuring system into a continuous measuring working mode;

and the display unit is used for displaying the data acquired by the data acquisition module and the data information processed by the DSP core processing module.

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