Internet of Things system and use method for mobile crushing and screening production line

Abstract

An Internet of Things system and method of use for a mobile crushing and screening production line, the Internet of Things system includes crushing and screening equipment, a networking system and supporting digital intelligent devices, the crushing and screening equipment includes an excavator, a mobile jaw crushing station, a mobile cone crushing station and a mobile screening station, the networking system includes a mobile crushing station control center and a mobile crushing and screening equipment control center, and the digital intelligent device is a digital intelligent crushing and screening equipment based on cloud technology. The present invention provides a fast data wireless transparent transmission system and control technology for the mobile crushing and screening station Internet of Things, and uses a digital intelligent crushing and screening system based on cloud technology, realizing an Internet of Things device that adapts to highly dynamic collaborative operation scenarios, and provides a highly timely and accurate transmission application of multi-source heterogeneous data, which is used for fast connection and networking systems, and is convenient for excavator drivers to remotely monitor and operate the wireless Internet of Things devices of the coarse crushing or screening station.

Description

Technical Field

[0001] The present invention relates to the technical field of engineering machinery, and in particular to an Internet of Things system for a mobile crushing and screening production line and a use method thereof. Background Art

[0002] There are many mobile crushing stations, screening stations and fixed crushing applications for sand and gravel aggregates, solid waste treatment, rocks and minerals in metal mines. Common crushing operations include coarse crushing, medium and fine crushing, and screening. Various operations are arranged in sequence according to the direction of the mineral crushing flow.

[0003] In the rough crushing operation, the ore material is loaded into the crusher hopper by an excavator or wheel loader, and the hopper feed amount is limited by the operator's manual experience.

[0004] In the medium and fine crushing operation, the information exchange between the equipment that takes over the ore after coarse crushing is limited by the personnel, communication technology and advancement.

[0005] In the operation of the screening station, the ore materials after medium and fine crushing are loaded into the receiving hopper by excavators or wheel loaders. The information exchange between equipment is limited by personnel, communication technology means and advancement.

[0006] Due to the extreme integration of intelligence and informatization, the mobile crushing and screening production line is required to develop into a highly dynamic and collaborative "unattended mobile crushing and screening production line". This technology is limited by its advanced nature in terms of comprehensive information perception, multi-type data transmission, real-time decision-making and control, and other issues of efficient and continuous data transmission in highly dynamic collaborative operation scenarios of multiple devices.

[0007] However, IoT systems for crushing and screening operations mostly upload data in an aggregated manner for the purpose of security monitoring applications. In dynamic scenarios, highly collaborative and interactive transmission methods are technically limited. Summary of the invention

[0008] The technical problem to be solved by the present invention is to overcome the deficiencies of the above-mentioned prior art and provide an Internet of Things system and a method of use for a mobile crushing and screening production line with high applicability and high accuracy.

[0009] The present invention is implemented by the following technical scheme: an Internet of Things system for a mobile crushing and screening production line, the Internet of Things system comprising crushing and screening equipment, a networking system and matching digital intelligent equipment, the crushing and screening equipment comprising an excavator, a mobile jaw crushing station, a mobile cone crushing station and a mobile screening station, the networking system comprising a mobile crushing station control center and a mobile crushing and screening equipment control center, the digital intelligent equipment being a digital intelligent crushing and screening equipment based on cloud technology;

[0010] The mobile crushing station control center includes a human-machine interface, a central controller I, an intelligent gateway, a wireless router and a wireless data transmission module A. The wireless router forms a wireless local area network with upstream and downstream devices through a wireless router antenna. The wireless data transmission module A is connected to a wireless data transmission module B through wireless data transparent transmission. The wireless data transmission module A and the wireless data transmission module B are respectively provided with an antenna A and an antenna B. The wireless data transmission module B and the antenna B are arranged on the mobile crushing and screening equipment control center;

[0011] The mobile crushing and screening equipment control center includes a central controller II and a wireless acquisition module. The central controller II is connected to sensors that are easily accessible to personnel, and the wireless acquisition module is connected to sensors that are not easily accessible to personnel.

[0012] Furthermore, each mobile crushing and screening equipment is equipped with a mobile crushing station control center and a mobile crushing and screening equipment control center.

[0013] Each crushing and screening equipment establishes communication through an intelligent gateway, and the intelligent gateway forms a wireless local area network with upstream and downstream devices through a wireless router.

[0014] Each crushing and screening equipment uses the wireless data transmission module A and the wireless data transmission module B to wirelessly transmit the data of the two nearest devices.

[0015] Sensors that are easily accessible to personnel include pressure sensor I, pressure sensor II, temperature sensor and liquid level sensor.

[0016] Sensors that are not easily accessible to personnel include displacement sensors, speed sensors, ultrasonic level sensors and bearing seat end surface temperature sensors.

[0017] The digital intelligent device includes a system QR code, a remote wireless operation terminal and a smart key.

[0018] The remote wireless operation terminal is placed in a position that is easy for operators to use.

[0019] The smart key stores specific setting parameters for accessing the local area network, and the human-machine interface is provided with a slot for inserting the smart key.

[0020] The method for using the Internet of Things system for a mobile crushing and screening production line includes the following steps:

[0021] S1, the intelligent gateway uniformly processes the control data from the human-machine interface and the central controller I, following the Ethernet bus TCP / IP network protocol;

[0022] S2. The wireless router quickly establishes a wireless local area network with upstream and downstream devices through the wireless router antenna;

[0023] S3, wireless data transmission module A and wireless data transmission module B are used in pairs for wireless transparent transmission of data between two nearby devices;

[0024] S4, the central controller II of the mobile crushing and screening equipment control center builds a sensor Internet of Things system that adapts to highly dynamic collaborative operation scenarios through the CAN field total mode;

[0025] S5. Sensors that are easily accessible to personnel transmit digital data information to the central controller II through CANOPEN;

[0026] S6. The wireless acquisition module establishes a network connection with the central controller II through CANOPEN; the sensors that are not easily accessible to personnel transmit the perceived physical information to the wireless acquisition module through ZIGBEE wireless communication;

[0027] S7. The human-machine interface provides a system QR code on the restricted screen specified by the authority. After installing the APP, the remote wireless operation terminal scans the system QR code and quickly accesses the operation line LAN;

[0028] S8. After inserting the smart key into the specific slot of the human-machine interface, the human-machine interface will read the specified parameter information and transmit the information to the smart gateway. Through the wireless router, it can quickly access the local area network according to the specified ID to realize data sharing.

[0029] The present invention has the following advantages: the Internet of Things system and use method for a mobile crushing and screening production line of the present invention provides a fast data wireless transmission system and control technology for the mobile crushing and screening station Internet of Things, and uses a digital intelligent crushing and screening system based on cloud technology, realizing an Internet of Things device that adapts to highly dynamic collaborative operation scenarios, and provides a highly timely and accurate transmission application of multi-source heterogeneous data, which is used for fast connection and networking systems, making it convenient for excavator drivers to remotely monitor and operate the wireless Internet of Things devices of the coarse crushing or screening station. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of a mobile crushing and screening production line of the present invention;

[0031] Figure 2 and Figure 3 It is a schematic diagram of the Internet of Things system of the mobile crushing and screening production line of the present invention;

[0032] Figure 4 It is a schematic diagram of a digital intelligent device of the present invention.

[0033] In the figure: 1. Excavator, 2. Mobile jaw crushing station, 3. Mobile cone crushing station, 4. Mobile screening station, 5. Internet of Things system, 6. Mobile crushing station control center, 61. Human-machine interface, 62. Central controller I, 63. Intelligent gateway, 64. Wireless router, 65. Wireless router antenna, 66. Wireless data transmission module A, 67. Antenna A, 68. Wireless data transmission module B, 69. Antenna B, 7. Mobile crushing and screening equipment control center, 71. Pressure sensor I, 72. Pressure sensor II, 73. Temperature sensor, 74. Liquid level sensor, 75. Displacement sensor, 76. Speed ​​sensor, 77. Ultrasonic level sensor, 78. Bearing seat end surface temperature sensor, 79. Central controller II, 710. Wireless acquisition module, 8. System QR code, 9. Remote wireless operation terminal, 10. Smart key. DETAILED DESCRIPTION

[0034] like Figures 1 to 4 The Internet of Things system for a mobile crushing and screening production line shown in the figure, the Internet of Things system 5 includes crushing and screening equipment, a networking system and matching digital intelligent equipment, the crushing and screening equipment includes an excavator 1, a mobile jaw crushing station 2, a mobile cone crushing station 3 and a mobile screening station 4, the networking system includes a mobile crushing station control center 6 and a mobile crushing and screening equipment control center 7, the digital intelligent equipment is a digital intelligent crushing and screening equipment based on cloud technology; the mobile crushing station control center 6 includes a human-machine interface 61, a central controller I 62, an intelligent gateway 63, a wireless router 64 and a wireless data transmission module A66, the wireless router The device 64 forms a wireless local area network with the upstream and downstream devices through the wireless router antenna 65. The wireless data transmission module A66 is connected to the wireless data transmission module B68 through wireless data transmission. The wireless data transmission module A66 and the wireless data transmission module B68 are respectively provided with antenna A67 and antenna B69. The wireless data transmission module B68 and antenna B69 are arranged on the mobile crushing and screening equipment control center 7; the mobile crushing and screening equipment control center 7 includes a central controller II 79 and a wireless acquisition module 710. The central controller II 79 is connected to the sensors that are easy for personnel to access, and the wireless acquisition module 710 is connected to the sensors that are not easy for personnel to access. The Internet of Things system for mobile crushing and screening production lines of the present invention is mainly composed of crushing and screening equipment, a networking system and matching digital intelligent devices. The networking system connects the crushing and screening equipment and is used for wireless data transmission between the local area network and the two nearest devices; the digital intelligent device can better provide the operator with the Internet of Things system, conveniently and timely control the system, and improve work efficiency.

[0035] like Figure 1 to Figure 2The Internet of Things system for a mobile crushing and screening production line shown in the figure has a mobile crushing station control center 6 and a mobile crushing and screening equipment control center 7 for each mobile crushing and screening equipment. Each crushing and screening equipment establishes communication through an intelligent gateway 63, and the intelligent gateway 63 forms a wireless local area network with upstream and downstream equipment through a wireless router 64. Each crushing and screening equipment uses a wireless data transmission module A66 and a wireless data transmission module B68 to perform wireless transparent transmission of data between two nearby devices. Each crushing and screening equipment of the present invention has the intelligent gateway uniformly process the control data from the human-machine interface and the central controller, following the Ethernet bus TCP / IP network protocol. The wireless router supports WIFI6 and 4G / 5G communications. Through the wireless router antenna, a wireless local area network can be quickly established with upstream and downstream equipment. If a wireless wide area network base station is set up nearby, it can also be used as a wide area network node. Wireless data transmission module A and wireless data transmission module B are used in pairs for wireless transparent transmission of data between two nearby devices. They are mainly used as point-to-point switch control signals with high real-time and high safety requirements, generally for process flow interlocking between devices and action interlocking of mechanical processes. In addition, the mobile crushing and screening equipment control center generally refers to equipment that can be freely networked with the same type of mobile crushing station control center.

[0036] like Figure 3 In the shown Internet of Things system for mobile crushing and screening production line, sensors that are easily accessible to personnel include pressure sensor I 71, pressure sensor II 72, temperature sensor 73 and liquid level sensor 74. Sensors that are not easily accessible to personnel include displacement sensor 75, speed sensor 76, ultrasonic material level sensor 77 and bearing seat end surface temperature sensor 78. The central controller II of the mobile crushing and screening equipment control center of the present invention can form a sensor Internet of Things system that adapts to highly dynamic collaborative operation scenarios through CAN field total mode. The pressure sensor I, pressure sensor II, temperature sensor and liquid level sensor that are easily accessible to personnel transmit digital data information to the central controller II through CANOPEN; the wireless acquisition module establishes a network connection with the central controller II through CANOPEN to exchange data, and the displacement sensor, speed sensor, ultrasonic material level sensor and bearing seat end surface temperature sensor that are not easily accessible to personnel transmit the perceived physical information to the wireless acquisition module through ZIGBEE wireless communication for use by the control center.

[0037] As shown Figure 4In the illustrated Internet of Things system for a mobile crushing and screening production line, the digital intelligent device includes a system QR code 8, a remote wireless operation terminal 9, and a smart key 10. The remote wireless operation terminal 9 is placed in a position that is easy for operators to use. The smart key 10 stores specific setting parameters for local area network access, and the human-machine interface 61 is provided with a slot for inserting the smart key 10. The human-machine interface of the present invention can provide a system QR code on a restricted screen with specified permissions. After installing the APP provided by the present invention, the local area network of the operation line can be quickly accessed by scanning the QR code, and the production data, equipment maintenance information, and even a type of operation control with limited permissions of the operation line can be understood in real time; the remote wireless operation terminal can be placed in a position that is easy for operators to use, and can be connected to similar terminal stations at the same time. The excavator cab is equipped with a terminal, which solves the embarrassing situation that the driver is inconvenient to monitor the operation status of the entire operation line; the smart key is a USB memory card, which acts like a dongle and stores specific setting parameters for local area network access. After the customer inserts it into a specific slot of the human-machine interface, the human-machine interface will be able to read the specified parameter information and pass the information to the smart gateway. Through the wireless router, it can quickly access the local area network according to the specified ID to realize data sharing.

[0038] The present invention provides a method for quickly connecting and networking the Internet of Things for a mobile crushing and screening production line, wherein the crushing and screening production line generally includes an excavator, a coarse-grained crusher station, a medium-fine-grained crushing station, and a screening station. The stations are connected through their respective operator interfaces. Through simple setting operations, the wireless local area Internet of Things can be quickly networked and freely connected. Specifically, the method includes the following steps:

[0039] S1, intelligent gateway 63 uniformly processes control data from human-machine interface 61 and central controller I 62, following Ethernet bus TCP / IP network protocol; each mobile crushing and screening equipment is equipped with a dedicated programmable controller and a color touch human-machine interface that supports fast and accurate communication; the above devices establish communication through the ETHERNET gateway;

[0040] S2, the wireless router 64 quickly establishes a wireless local area network with upstream and downstream devices through the wireless router antenna 65; the gateway is also connected to a wireless router to upload local data to the wireless local area network, or to transmit external control instructions;

[0041] S3, wireless data transmission module A66 and wireless data transmission module B68 are used in pairs for wireless transparent transmission of data between two nearby devices; the on-site control-level wireless online control between mobile crushing and screening equipment is wirelessly transmitted through paired wireless transparent transmission modules, and the wireless transparent transmission modules are also connected to the local airborne ETHERNET gateway by network cables; the wireless router preferably supports WiFi6, 4G / 5G wireless communication network nodes;

[0042] S4, the central controller II79 of the mobile crushing and screening equipment control center 7 builds a sensor Internet of Things system that adapts to highly dynamic collaborative operation scenarios through the CAN field total mode; the equipment router connects to the 4G / 5G base station, and can also build a wide area Internet of Things with the remote 4G / 5G base station;

[0043] S5. Sensors that are easily accessible to personnel transmit digital data information to the central controller Ⅱ79 through CANOPEN; pressure sensors, temperature sensors, and ultrasonic sensors based on CAN communication function; sensors sense physical data in real time and process them digitally, connect to the local main controller through the field CAN bus to achieve networking, and directly transmit and apply data, which reduces the data processing intensity of the main controller;

[0044] S6. The wireless acquisition module 710 establishes a network connection with the central controller II 79 through CANOPEN; the sensor that is difficult for people to approach transmits the perceived physical information to the wireless acquisition module 710 through ZIGBEE wireless communication; when it is difficult for people to approach and wiring is difficult, an intelligent perception sensor with wireless transmission capability is provided. The sensor can transmit digital signals to the wireless receiving module through multiple channels. The receiving module is connected to the local main controller through the field CAN bus to realize networking and direct data transmission application, which reduces the data processing intensity of the main controller;

[0045] S7, the human-machine interface 61 provides a system QR code 8 in the restricted screen specified by the authority. After installing the APP, the remote wireless operation terminal 9 scans the system QR code 8 to quickly access the local area network of the operation line; the mobile handheld wireless operation terminal is wirelessly connected to the local area network through WIFI to monitor the production and operation information of the equipment and control the start and stop of the machine in a specific sense; the handheld wireless operation terminal can be freely deployed within a range of 50 meters, and is more often placed on the driving platform of the excavator; the APP can be easily installed on a handheld mobile terminal, PAD, etc., and the user can quickly connect to the network by scanning the network access QR code provided by the robot human-machine interface through the terminal;

[0046] S8. After inserting the smart key 10 into the specific slot of the human-machine interface 61, the human-machine interface 61 will read the specified parameter information and transmit the information to the smart gateway 63. Through the wireless router 64, it can quickly access the local area network according to the specified ID to achieve data sharing. The smart key stores various specified information connected to the network. It only needs to be inserted into the specified card slot of the machine. After more than ten seconds, the machine can read the stored settings and freely form a network with the equipment in the upper and lower process flows, which is not affected by batches and models.

Claims

1. Internet of Things system for mobile crushing and screening production line, characterized by: The Internet of Things system (5) comprises crushing and screening equipment, a networking system and matching digital intelligent equipment, wherein the crushing and screening equipment comprises an excavator (1), a mobile jaw crushing station (2), a mobile cone crushing station (3) and a mobile screening station (4), the networking system comprises a mobile crushing station control center (6) and a mobile crushing and screening equipment control center (7), and the digital intelligent equipment is a digital intelligent crushing and screening equipment based on cloud technology; A mobile crushing station control center (6), comprising a human-machine interface (61), a central controller I (62), an intelligent gateway (63), a wireless router (64) and a wireless data transmission module A (66), wherein the wireless router (64) forms a wireless local area network with upstream and downstream devices via a wireless router antenna (65), the wireless data transmission module A (66) is connected to a wireless data transmission module B (68) via wireless data transparent transmission, the wireless data transmission module A (66) and the wireless data transmission module B (68) are respectively provided with an antenna A (67) and an antenna B (69), and the wireless data transmission module B (68) and the antenna B (69) are arranged on the mobile crushing and screening equipment control center (7); A mobile crushing and screening equipment control center (7) comprises a central controller II (79) and a wireless acquisition module (710), wherein the central controller II (79) is connected to sensors that are easily accessible to personnel, and the wireless acquisition module (710) is connected to sensors that are not easily accessible to personnel.

2. The Internet of Things system for a mobile crushing and screening production line according to claim 1, characterized in that: Each mobile crushing and screening equipment is equipped with a mobile crushing station control center (6) and a mobile crushing and screening equipment control center (7).

3. The Internet of Things system for a mobile crushing and screening production line according to claim 2, characterized in that: Each crushing and screening device establishes communication via an intelligent gateway (63), and the intelligent gateway (63) forms a wireless local area network with upstream and downstream devices via a wireless router (64).

4. The Internet of Things system for a mobile crushing and screening production line according to claim 2, characterized in that: Each crushing and screening device uses the wireless data transmission module A (66) and the wireless data transmission module B (68) in cooperation to perform wireless transparent transmission of data between two nearby devices.

5. The Internet of Things system for a mobile crushing and screening production line according to claim 1, characterized in that: The sensors that are easily accessible to personnel include a pressure sensor I (71), a pressure sensor II (72), a temperature sensor (73) and a liquid level sensor (74).

6. The Internet of Things system for a mobile crushing and screening production line according to claim 1, characterized in that: The sensors that are not easily accessible to personnel include a displacement sensor (75), a speed sensor (76), an ultrasonic material level sensor (77), and a bearing seat end surface temperature sensor (78).

7. The Internet of Things system for a mobile crushing and screening production line according to claim 1, characterized in that: The digital intelligent device comprises a system QR code (8), a remote wireless operation terminal (9) and an intelligent key (10).

8. The Internet of Things system for a mobile crushing and screening production line according to claim 7, characterized in that: The remote wireless operation terminal (9) is placed in a position that is easy for operators to use.

9. The Internet of Things system for a mobile crushing and screening production line according to claim 7, characterized in that: The smart key (10) stores specific setting parameters for accessing a local area network, and the human-machine interface (61) is provided with a slot for inserting the smart key (10).

10. A method for using the Internet of Things system for a mobile crushing and screening production line according to claim 1, characterized in that: The steps include: S1, the intelligent gateway (63) uniformly processes the control data from the human-machine interface (61) and the central controller I (62), following the Ethernet bus TCP / IP network protocol; S2, the wireless router (64) quickly establishes a wireless local area network with upstream and downstream devices through the wireless router antenna (65); S3, wireless data transmission module A (66) and wireless data transmission module B (68) are used in pairs for wireless transparent transmission of data between two nearby devices; S4, the central controller II (79) of the mobile crushing and screening equipment control center (7) establishes a sensor Internet of Things system suitable for highly dynamic collaborative operation scenarios through the CAN field total mode; S5, the sensor which is easily accessible to personnel transmits digital data information to the central controller II (79) through CANOPEN; S6, the wireless acquisition module (710) establishes a network connection with the central controller II (79) via CANOPEN; the sensor that is not easily accessible to personnel transmits the sensed physical information to the wireless acquisition module (710) via ZIGBEE wireless communication; S7, the human-machine interface (61) provides a system QR code (8) on a restricted screen specified by the authority, and the remote wireless operation terminal (9) scans the system QR code (8) after installing the APP to quickly access the operation line local area network; S8. After the smart key (10) is inserted into a specific slot of the human-machine interface (61), the human-machine interface (61) will read the specified parameter information and transmit the information to the smart gateway (63). Through the wireless router (64), the local area network can be quickly accessed according to the specified ID to achieve data sharing.

Images