AU2014299212B2

AU2014299212B2 - Noise collection system for belt conveyor

Info

Publication number: AU2014299212B2
Application number: AU2014299212A
Authority: AU
Inventors: Guoan Chen; Wei Li; Mingquan QIU; Zewen Wang; Bo Wu; Gongbo Zhou; Zhencai Zhu
Original assignee: China University of Mining and Technology CUMT; China University of Mining and Technology Beijing CUMTB
Current assignee: China University of Mining and Technology Beijing CUMTB
Priority date: 2013-07-29
Filing date: 2014-02-19
Publication date: 2017-02-02
Anticipated expiration: 2034-02-19
Also published as: WO2015014118A1; CN103411663A; CN103411663B; AU2014299212A1; ZA201600711B

Abstract

A noise collection system for a belt conveyor, which belongs to the noise collection systems. An RFID card reader, a noise sensor, a data collector, a wireless sending device and a power supply are installed in a test box. The noise sensor is connected to the input end of the wireless sending device through the data collector; the RFID card reader is connected to the input end of the wireless sending device; the power supply supplies power to the components in the test box; RFID electronic tags are pasted on the machine frame of the conveyor at intervals; and a wireless receiving device and an upper computer are connected, and are deployed in a monitoring room together. An inspector holds the test box by hand and walks along the conveyor; the test box collects a noise signal of the conveyor along the way; the RFID card reader induces the RFID electronic tags on the machine frame in real time to determine the position of the current signal; and the wireless sending device transmits the noise signal and locating information to the wireless receiving device. The noise collection system is suitable for monitoring a long-distance conveying device, and capable of automatically determining the corresponding position of the collected signal on the conveyor, thereby providing support for quickly locating the faults of the conveyor. The noise collection system is convenient to use, and strong in practicality.

Description

ι 2014299212 29 Dec 2016

Noise Collection System for Belt Conveyor

Field of the Invention

The present invention relates to a noise collection system, in particular to a noise 5 collection system for a belt conveyor.

Background Art

Belt conveyors are one of important installations in coal mines and other production enterprises, and they often have failures such as belt slipping, off-tracking, or tearing rupture of belt, etc., which have a strong impact on safe production in these enterprises. 10 Real-time online monitoring of belt conveyors and ambient noise monitoring for belt conveyors have become a new developing trend, owing to their characteristics, such as non-contact monitoring and high precision, etc.. At present, there are only a few of systems for monitoring noise signals of long-distance conveying facilities such as belt conveyors, and the existing systems involve high cost and are inconvenient to use. 15 Contents of the Invention

Technical problem: The object of the present invention is to provide a noise collection system for a belt conveyor, to solve the problem in the prior art, i.e., there are only a few of systems for monitoring noise signals of long-distance conveying facilities such as belt conveyors, and the existing systems involve high cost and are inconvenient to 20 use.

In one aspect the present invention provides a noise collection system for a belt conveyor, wherein, the noise collection system for a belt conveyor comprises a portable noise test box, several RFID electronic tags, and a wireless receiving device; an RFID card reader, a noise sensor, a data collector, a wireless sending device, and a power 25 supply are installed in the test box, the noise sensor is connected to an input terminal of the wireless sending device via the data collector, the RFID card reader is connected to the input terminal of the wireless sending device, and the power supply supplies power to the components in the test box; the RFID electronic tags are pasted on a machine frame of the conveyer at intervals; the wireless receiving device is connected to an 30 upper computer and are deployed in a monitoring room together; during operation of the noise collection system, when a tester holds the test box in a hand and moves along the machine frame of the conveyer, the RFID card reader in the test box will sense RFID electronic tags installed on the machine frame of the conveyer in real time, each RFID electronic tag has a unique ID and stores the information of the position of the RFID 35 electronic tag; the RFID card reader utilizes the induction between itself and a RFID electronic tag to read the information in the RFID electronic tag and thereby ascertain the current position of the test box, and transmits the positional information to the wireless signal sending device; the noise sensor in the test box detect the ambient noise in real time during the moving process of the test box, and the data collector acquires 40 the noise data in real time and transmits the noise data to the wireless signal sending 2 2014299212 29 Dec 2016 device; the wireless signal sending device transmits the real-time positional information and noise monitoring data to a wireless signal receiving device in a monitoring room, and the wireless signal receiving device is connected to an upper computer, so that the noise signal can be analyzed and processed subsequently. 5 In some embodiments, the RFID electronic tags are installed on the machine frame of the conveyer in the belt running direction at an even interval, and the spacing between adjacent RFID electronic tags is within the induction range of the RFID card reader.

Beneficial effects: With the technical scheme described above, when a tester holds the test box in a hand and moves along the machine frame of the conveyer, the RFID card 10 reader in the test box will sense the RFID electronic tags installed on the machine frame of the conveyer in real time, each RFID electronic tag has a unique ID and stores the information of the position of the RFID electronic tag; the RFID card reader utilizes the induction between itself and a RFID electronic tag to read the information in the RFID electronic tag and thereby ascertain the current position of the test box, and transmits 15 the positional information to the wireless signal sending device. The noise sensor in the test box detects the ambient noise in real time during the moving process of the test box, and the data collector collects the noise data in real time and transmits the noise data to the wireless signal sending device. The wireless signal sending device transmits the real-time positional information and noise monitoring data to a wireless signal receiving 20 device in a monitoring room, and the wireless signal receiving is connected to an upper computer, so that the noise signal can be analyzed and processed subsequently.

Advantages: Areal-time portable ambient noise collection system acquires the ambient noises and positional signal along a long-distance conveying facility such as a belt conveyor through a RFID RF technique and simple operations, without affecting the 25 normal operation of the belt conveyor, so that the noise signal of the belt conveyor can be analyzed and process subsequently, to ascertain the operation state of the belt conveyor and locate any fault of the belt conveyor. The system disclosed in the present invention is especially suitable for a long-distance conveyor and provides support for locating faults in conveyor carrier rollers and rotary drums, etc.; the RFID electronic 30 tags are easy to install and will not affect normal operation of the belt conveyor; the RFID electronic tags and the RFID card reader have low power consumption and can save energy; with the RFID RF technique, the positioning is accurate, and can be realized effectively in harsh environments, such as the environments in coal mines, etc.. Since the information data interaction among the components of the system is 35 accomplished by wireless signals, the troubles and restraints incurred by large amounts of cables are eliminated, and the system components are easy to install, use, and carry.

Description of the Drawings

Fig. 1 is a diagram illustrating the working principle of the noise collection system for a belt conveyor according to the present invention; 40 Fig. 2 is a schematic diagram of the interior of the portable noise test box according to the present invention; 3 2014299212 29 Dec 2016

Fig. 3 is a working flow diagram of the noise collection system for a belt conveyor according to the present invention.

Detailed Description of the Embodiments

Hereunder the present invention will be detailed in embodiments with reference to the 5 accompanying drawings:

Embodiment 1: The noise collection system for a belt conveyor disclosed in the present invention comprises a portable noise test box, several RFID electronic tags, and a wireless receiving device; an RFID card reader, a noise sensor, a data collector, a wireless sending device, and a power supply are installed in the test box, the noise 10 sensor is connected to an input terminal of the wireless sending device via the data collector, the RFID card reader is connected to the input terminal of the wireless sending device, and the power supply supplies power to the components in the test box; the RFID electronic tags are pasted on machine frame of the conveyer at intervals; the wireless receiving device is connected to an upper computer and are deployed in a 15 monitoring room together.

The RFID electronic tags are installed on the machine frame of the conveyer in the belt running direction at an even interval, and the spacing between adjacent RFID tags is within the induction range of the RFID card reader.

The RFID (Radio Frequency Identification) technique is a communication technique 20 with which a specific target can be identified and relevant data can be read and written by means of wireless signals, without mechanical or optical contact between the identification system and the specific target. The RFID technique has the advantages including water resistance, magnetic resistance, high-temperature resistance, long service life, long access distance, and high data storage capacity, etc.; in addition, it can 25 be used for automatic identification without manual intervention in a variety of harsh environment. Hence, the RFID technique is widely applied in many fields.

Fig. 3 shows the work flow of the noise collection system for a belt conveyor. During operation of the noise collection system, when a tester holds the test box in a hand and moves along the machine frame of the conveyer, the RFID card reader in the test box 30 will sense the RFID electronic tags installed on the machine frame of the conveyer in real time, each RFID electronic tag has a unique ID and stores the information of the position of the RFID electronic tag; the RFID card reader utilizes the induction between itself and a RFID electronic tag to read the information in the RFID electronic tag and thereby ascertain the current position of the test box, and transmits the positional 35 information to the wireless signal sending device. The noise sensor in the test box detect the ambient noise in real time during the moving process of the test box, and the data collector acquires the noise data in real time and transmits the noise data to the wireless signal sending device. The wireless signal sending device transmits the real-time positional information and noise monitoring data to a wireless signal receiving device 40 in a monitoring room, and the wireless signal receiving device is connected to an upper computer, so that the noise signal can be analyzed and processed subsequently.

Claims

Claims

1. A noise collection system for a belt conveyor, wherein, the noise collection system for a belt conveyor comprises a portable noise test box, several RFID electronic tags, and a wireless receiving device; an RFID card reader, a noise sensor, a data collector, a wireless sending device, and a power supply are installed in the test box, the noise sensor is connected to an input terminal of the wireless sending device via the data collector, the RFID card reader is connected to the input terminal of the wireless sending device, and the power supply supplies power to the components in the test box; the RFID electronic tags are pasted on a machine frame of the conveyer at intervals; the wireless receiving device is connected to an upper computer and are deployed in a monitoring room together; during operation of the noise collection system, when a tester holds the test box in a hand and moves along the machine frame of the conveyer, the RFID card reader in the test box will sense RFID electronic tags installed on the machine frame of the conveyer in real time, each RFID electronic tag has a unique ID and stores the information of the position of the RFID electronic tag; the RFID card reader utilizes the induction between itself and a RFID electronic tag to read the information in the RFID electronic tag and thereby ascertain the current position of the test box, and transmits the positional information to the wireless signal sending device; the noise sensor in the test box detect the ambient noise in real time during the moving process of the test box, and the data collector acquires the noise data in real time and transmits the noise data to the wireless signal sending device; the wireless signal sending device transmits the real-time positional information and noise monitoring data to a wireless signal receiving device in a monitoring room, and the wireless signal receiving device is connected to an upper computer, so that the noise signal can be analyzed and processed subsequently.
2. The noise collection system for a belt conveyor according to claim 1, wherein, the RFID tags are installed on the machine frame of the conveyer in the belt running direction at an even interval, and spacing between adjacent RFID electronic tags is within the induction range of the RFID reader.