CN217424548U

CN217424548U - Crane vibration acquisition system

Info

Publication number: CN217424548U
Application number: CN202221607805.9U
Authority: CN
Inventors: 祖运攀; 孙云龙; 周强; 丁海洋; 单迎歌
Original assignee: Henan Weihua Heavy Machinery Co Ltd
Current assignee: Henan Weihua Heavy Machinery Co Ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-09-13
Anticipated expiration: 2032-06-27

Abstract

The utility model discloses a crane vibration acquisition system, which comprises a vibration sensor, a vibration signal conditioning circuit, a conversion circuit, an MCU control module and a backstage big data center which are connected in sequence; the vibration sensor is used for acquiring vibration data of the crane; the vibration signal conditioning circuit is used for zeroing and amplifying weak voltage signals acquired by the vibration sensor and converting the weak voltage signals into 4-20mA signals with strong anti-interference capacity for communication; the conversion circuit is used for adjusting, amplifying and converting the 4-20mA signal converted by the vibration signal conditioning circuit into a voltage signal which can be identified by the MCU control module; and the MCU control module is used for processing and analyzing the voltage signal pair converted by the conversion circuit. The utility model discloses the vibrations data transmission interference killing feature of collection is strong, and the signal is complete, has ensured the stability and the accuracy of data, has realized vibrations data remote monitoring and calculation, can in time discover vibrations unusual data.

Description

Crane vibration acquisition system

Technical Field

The utility model relates to a hoist control system technical field specifically is a hoist vibrations collection system.

Background

With the development of crane intellectualization, various data acquisition in crane operation becomes more and more important. The vibration data is used as important data in the operation of the crane, and the corresponding operation condition of the crane and the working condition of each part can be judged through the vibration data of the crane, so that whether the device aging condition exists or not is judged. The existing vibration collection is that the vibration sensor directly outputs signal data, the vibration collection on the market has the problems of low sampling frequency, small sampling range, weak signal transmission and the like, the collected signals are weak, the collected data are unstable, the judgment result is influenced, and the traditional method only collects the current data to judge the current running state, the collected data cannot be subjected to efficient contrast processing, and the abnormal data can not be found in time.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a hoist vibrations collection system, the vibrations data transmission interference killing feature of collection is strong, and the signal is complete, has ensured the stability and the accuracy of data, has realized vibrations data remote monitoring and calculation, can in time discover the unusual data of vibrations, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a crane vibration acquisition system comprises a vibration sensor, a vibration signal conditioning circuit, a conversion circuit, an MCU control module and a background big data center which are connected in sequence;

the vibration sensor is used for acquiring vibration data of the crane;

the vibration signal conditioning circuit is used for zeroing and amplifying weak voltage signals acquired by the vibration sensor, and converting the weak voltage signals into 4-20mA signals with strong anti-interference capability for communication;

the conversion circuit is used for adjusting, amplifying and converting the 4-20mA signal converted by the vibration signal conditioning circuit into a voltage signal which can be identified by the MCU control module;

the MCU control module is used for processing and analyzing the voltage signal converted by the conversion circuit;

the background big data center is used for calculating and comparing data transmitted by the MCU control module;

the vibration signal conditioning circuit is connected with an output interface, the conversion circuit is connected with a collection interface, and the output interface is connected with the collection interface.

Preferably, the device further comprises an isolation power supply, and the isolation power supply supplies power to the vibration signal conditioning circuit, the conversion circuit and the MCU control module.

Preferably, the MCU control module is connected with the background big data center through a big data interface.

Preferably, the vibration sensor is a three-axis acceleration sensor, and the measuring range is +/-50 g/2.4KHZ sampling frequency.

Compared with the prior art, the beneficial effects of the utility model are that: an isolation power supply is adopted to supply power to the system, an external circuit is isolated from an internal processing circuit, and the internal stability is improved; weak voltage signals collected by the vibration sensor are converted into 4-20mA signals with strong anti-interference capacity through the vibration signal conditioning circuit for communication, the anti-interference capacity is strong, transmission signals are complete, the stability and accuracy of collected vibration data are guaranteed, then the 4-20mA signals are converted into voltage signals which can be identified by the MCU control module through the conversion circuit, the MCU control module processes and analyzes the voltage signals and transmits the voltage signals to a background big data center for calculation and comparison, the remote monitoring and calculation of the vibration data are realized, and abnormal vibration data are found in time.

Drawings

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

In the figure: the device comprises a vibration sensor 1, a vibration signal conditioning circuit 2, an isolation power supply 3, a conversion circuit 4, an MCU control module 5, a big data interface 6, a background big data center 7, an acquisition interface 8 and an output interface 9.

Detailed Description

In the following description, the technical solutions of the present invention will be described with reference to the drawings in the embodiments of the present invention, it should be understood that, if there are the indicated directions or positional relationships, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., it only corresponds to the drawings of the present invention, and in order to facilitate the description of the present invention, it is not necessary to indicate or imply that the indicated device or element must have a specific direction:

referring to fig. 1, the present invention provides a technical solution: a crane vibration acquisition system comprises a vibration sensor 1, a vibration signal conditioning circuit 2, a conversion circuit 4, an MCU control module 5 and a background big data center 7 which are connected in sequence;

the vibration sensor 1 is used for collecting vibration data of the crane; specifically, the vibration sensor 1 is a three-axis acceleration sensor, the measuring range is +/-50 g/2.4KHZ sampling frequency, and the use requirement is met;

the vibration signal conditioning circuit 2 is used for zeroing, amplifying and converting weak voltage signals acquired by the vibration sensor 1 into 4-20mA signals with strong anti-interference capability for communication, and the signals acquired by the vibration sensor 1 are weak voltage signals and are easy to be interfered by the outside;

the conversion circuit 4 is used for adjusting, amplifying and converting the 4-20mA signal converted by the vibration signal conditioning circuit 2 into a voltage signal which can be identified by the MCU control module 5, and converting the 4-20mA signal into the voltage signal to be input into the MCU control module 5;

the MCU control module 5 is used for processing and analyzing the voltage signal converted by the conversion circuit 4;

the background big data center 7 is used for calculating and comparing data transmitted by the MCU control module 5, realizing remote monitoring and calculation of vibration data and finding abnormal vibration data in time;

the vibration signal conditioning circuit 2 is connected with an output interface 9, the conversion circuit 4 is connected with an acquisition interface 8, the output interface 9 is connected with the acquisition interface 8, and data transmission is carried out through a signal line;

further, the vibration signal processing circuit further comprises an isolation power supply 3, wherein the isolation power supply 3 supplies power to the vibration signal conditioning circuit 2, the conversion circuit 4 and the MCU control module 5, internal pulsation caused by external power supply interference is reduced, and the stability of the internal power supply is ensured;

further, the MCU control module 5 is connected with a background big data center 7 through a big data interface 6, data transmission is carried out through the big data interface 6, the interface can adopt a network interface, the expansion of equipment is facilitated, a W5500 network interface chip can be adopted, the anti-interference capability is strong, and the integrity of uploaded data is guaranteed.

The part of the utility model not detailed is prior art.

Claims

1. A crane vibration acquisition system is characterized in that: the device comprises a vibration sensor (1), a vibration signal conditioning circuit (2), a conversion circuit (4), an MCU control module (5) and a background big data center (7) which are connected in sequence;

the vibration sensor (1) is used for acquiring vibration data of the crane;

the vibration signal conditioning circuit (2) is used for zeroing and amplifying weak voltage signals acquired by the vibration sensor (1) and converting the weak voltage signals into 4-20mA signals with strong anti-interference capacity for communication;

the conversion circuit (4) is used for adjusting, amplifying and converting the 4-20mA signal converted by the vibration signal conditioning circuit (2) into a voltage signal which can be identified by the MCU control module (5);

the MCU control module (5) is used for processing and analyzing the voltage signal converted by the conversion circuit (4);

the background big data center (7) is used for calculating and comparing data transmitted by the MCU control module (5);

the vibration signal conditioning circuit (2) is connected with an output interface (9), the conversion circuit (4) is connected with an acquisition interface (8), and the output interface (9) is connected with the acquisition interface (8).

2. The crane vibration collection system of claim 1 wherein: the device is characterized by further comprising an isolation power supply (3), wherein the isolation power supply (3) supplies power for the vibration signal conditioning circuit (2), the conversion circuit (4) and the MCU control module (5).

3. The crane vibration collection system of claim 1 wherein: the MCU control module (5) is connected with a background big data center (7) through a big data interface (6).

4. The crane vibration collection system of claim 1 wherein: the vibration sensor (1) is a three-axis acceleration sensor, and the measuring range is +/-50 g/2.4KHZ sampling frequency.