CN210428125U - Carrier roller multi-parameter detection control system with self-powered function - Google Patents
Carrier roller multi-parameter detection control system with self-powered function Download PDFInfo
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- CN210428125U CN210428125U CN201921057182.0U CN201921057182U CN210428125U CN 210428125 U CN210428125 U CN 210428125U CN 201921057182 U CN201921057182 U CN 201921057182U CN 210428125 U CN210428125 U CN 210428125U
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Abstract
The utility model discloses a carrier roller multi-parameter detection control system with self-powered function, a three-phase alternating current tachometer generator utilizes the kinetic energy of the carrier roller to generate electricity, one path supplies power to the system through voltage reduction, and the other path filters the pulse waveform that the shaping processor can recognize to measure the rotating speed of the carrier roller; the microprocessor receives the data of each sensor module and sends the data to the wireless transmission module; the wireless transmission module transmits the data transmitted by the microprocessor to the upper computer through a wireless protocol; and the upper computer processes the data transmitted by the wireless module and displays the data on a screen. When the carrier roller of the conveyor is stuck, the carrier roller motor control module automatically stops the carrier roller motor and displays warning information. The utility model discloses utilize conveyer belt bearing roller kinetic energy electricity generation to supply power and use wireless transmission for the system, reduced wiring cost and energy-concerving and environment-protective.
Description
Technical Field
The utility model relates to a bearing roller state monitoring and feedback control field especially relate to a bearing roller multi-parameter detection control system with self-powered function.
Background
In the field of modern industrial production, various types of belt conveyors have become an integral part and are widely used in various industries. The carrier roller is as important component part in belt conveyor, under the complicated environment that is full of dust, large granule, aqueous vapor and corrosive substance, sometimes can take place the carrier roller card and die, the conveyer belt skids and the trouble such as off tracking causes noise and conveyer belt to spill the material consequence. When the external heat dissipation condition is not good, serious accidents such as fire disasters and the like can be caused due to the clamping of the carrier roller.
For strengthening to carry out fault monitoring and analysis to belt conveyor's bearing roller, the CN206919770U patent discloses a multi-functional detection device is restoreed to bearing roller, the device can this device can detect each item performance index of restoreing back bearing roller simultaneously, be suitable for the bearing roller of different diameters and length to detect, but it just needs the outside power supply through wired transmission data, construction difficulty and cost have been increased, CN108001985A utility model patent application for this reason discloses a belt conveyor bearing roller and method with wireless self-checking function of self-power supply, although this system can supply power for the system through the generator, but it has to install the support additional and makes shortcomings such as cost of maintenance increase. Meanwhile, networking is performed by a low power consumption and long-distance LPWAN (low power consumption wide area network) technology, and more researchers pay attention to the networking. The utility model discloses make full use of LoRaWAN network is remote, low-power consumption, low speed, low cost, the characteristics of extensive network deployment communication, through wireless network transmission bearing roller state information, reaches the purpose of avoiding leading to the fact the production accident because of the bearing roller card is dead to reduce manpower and materials cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to reduce power supply wiring and communication wiring to multi-parameter monitoring system, provide a bearing roller multi-parameter detection control system with from power supply function, the purpose is to utilize the sensor monitoring bearing roller information and the wireless transmission of this system to the host computer to judge whether the bearing roller card dies and close the motor through bearing roller motor control module, reach and avoid causing the effect of production accident because of belt conveyor operation is unusual.
In order to solve the technical problem, the technical scheme of the utility model is a bearing roller multi-parameter detection control system with self-powered function, including three-phase tachogenerator, temperature sensor, triaxial acceleration sensor, microprocessor, wireless transmission module, bearing roller motor control module and host computer, three-phase tachogenerator is the external rotor generator, and the rotor links to each other with the bearing roller, and the stator links to each other with the roller, and the bearing roller drives the rotor electricity generation, and one way is through step-down, rectification, filtering, steady voltage to supply power for the system, and another way is through the pulse waveform that the filtering integer becomes the treater and can discern, through the internal clock record in order to reach the purpose of measuring the bearing roller rotational speed;
the temperature sensor and the three-axis acceleration sensor transmit the collected temperature and vibration data of the carrier roller to the microprocessor chip;
the temperature sensor module is a DS18B20 module which directly outputs digital signals and can be packaged in various forms;
an ADXL345 module is selected as the triaxial acceleration sensor;
the wireless sensor adopts a LoRa chip SX1276 sold by SEMTECH company and carries out communication through LoRaWAN;
the microprocessor adopts an ESP32 chip manufactured by Lexin company;
the gateway adopts HT-M01 mini gateway manufactured by HELTECH company;
the gateway communicates with an upper computer through an SPI or a USB;
an administrator sends an operation instruction through the upper computer to control the carrier roller motor to operate or carry out manual operation;
the microprocessor collects data measured by each sensor module and sends the data to the wireless transmission module;
the wireless transmission module transmits data sent by the microprocessor to an upper computer through a wireless protocol at a specific frequency;
the wireless transmission module is communicated with the gateway through an LoRa communication protocol;
and the upper computer receives, records, arranges and displays the data transmitted by the wireless module. The carrier roller information database stores the state information of the carrier rollers at each moment;
and when the carrier roller motor control module receives the carrier roller locking information transmitted by the wireless transmission module, the carrier roller motor control module controls the carrier roller motor to be closed.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses introduce three-phase AC tachogenerator and give the power supply of multi-parameter monitoring system, avoided the puzzlement that original system needs the wiring, cost saving and reduction construction complexity that can try hard to try.
2. The utility model discloses utilize the sensor monitoring bearing roller information of this system and wireless transmission to the host computer to judge whether the bearing roller blocks and dies and close the motor through bearing roller motor control module, reach and avoid causing the effect of production accident because of the bearing roller card is dead.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a schematic view of the device layout of the present invention.
Reference numerals: 1-a belt conveyor, 2-a carrier roller, 3-a carrier roller inner shaft, 4-three alternating current speed measuring generators, 5-a temperature sensor, 6-a triaxial acceleration sensor, 7-a microprocessor, 8-a wireless transmission module, 9-a gateway, 10-an upper computer, 11-a carrier roller motor control module and 12-a carrier roller motor; a-a carrier roller information database.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, which are only illustrative and not intended to limit the present invention.
Fig. 1 is the utility model discloses a schematic diagram, it is shown in fig. 2 to arrange the schematic diagram, the utility model discloses a bearing roller multi-parameter detection control system with self-powered function, including tachogenerator 4, temperature sensor 5, triaxial acceleration sensor 6, microprocessor 7, wireless transmission module 8, gateway 9, host computer 10, bearing roller motor control module 11 host computer 10 has bearing roller information database a, bearing roller information database a can adopt small-size databases such as Access, MySQL and BD2, and information such as speed, temperature and vibration parameter of bearing roller is stored to this database; the tachogenerator 4, the temperature sensor 5 and the triaxial acceleration sensor 6 transmit the collected information to the microprocessor 7; the microprocessor 7 processes the received information and transmits the processed information to the wireless transmission module 8; the wireless transmission module 8 sends the information to the gateway 9 through LoRaWAN; the gateway 9 sends the received information to the upper computer 10; the upper computer records the received information into a carrier roller information database a and judges whether the belt conveyor runs abnormally, and if the belt conveyor runs abnormally, the information is transmitted to the wireless transmission module 8 through the gateway 9; the idler motor control module 11 controls the operation of the idler motor.
In the embodiment, the tachogenerator 4 is a three-phase alternating current tachogenerator, one path of the tachogenerator outputs 3.3V and +/-5V voltages to supply power to a system through voltage reduction, rectification, filtering and voltage stabilization, the other path of the tachogenerator forms a pulse waveform which can be identified by the microprocessor 7 through filtering and shaping, and the rotating speed of the carrier roller is measured later through frequency calculation obtained by recording an internal clock of the microprocessor 7.
The temperature sensor 5 in this embodiment is a commercially available DS18B20 module, which can measure temperatures from-55 ℃ to +125 ℃, and which directly outputs digital signals for various types of packaging. The temperature sensor 5 monitors and uploads the temperature of the carrier roller in real time, when the temperature is too high due to jamming of the carrier roller, the upper computer 10 controls the carrier roller motor 12 to stop running, and warning information is displayed on the upper computer.
In this embodiment, the triaxial acceleration sensor 6 adopts an ADXL345 module sold on the market, can measure accelerations in three directions of x, y and z, and transmits parameters to the upper computer 10, and can judge a rough blocking position according to vibration parameters obtained through conversion and formula calculation. The three-axis acceleration sensor 6 monitors and uploads the vibration information of the carrier roller in real time, and when the carrier roller runs abnormally, the upper computer 10 controls the carrier roller motor 12 to stop running and displays warning information on the upper computer.
In this embodiment, the microprocessor 7 employs an ESP32 chip produced by lenxin corporation, the chip is an xtensia 32-bit LX6 single/dual core processor, the computing capability is up to 600MIPS, the chip ESP32 can be used as an independent system running application program or a slave device of a host MCU, and Wi-Fi and bluetooth functions are provided through an SPI/SDIO or I2C/UART interface, which facilitates expansion of functions.
In this embodiment, the wireless transmission module 8 adopts a LoRa modem chip SX1276 sold by SEMTECH corporation, which has low power consumption, and has a maximum communication distance as high as 2.8KM in an open area, and supports 868-915MHZ frequency band.
In this embodiment, the gateway 9 is a HT-M01 mini gateway manufactured by HELTECH corporation, and the gateway 9 communicates with the upper computer through SPI or USB.
In this embodiment, the tachogenerator 4 is installed inside the carrier roller 2 of the belt conveyor 1, an outer rotor of the tachogenerator is connected with a carrier roller skin, the temperature sensor 5, the three-axis acceleration sensor 6, the wireless transmission module 8 and the microprocessor 7 are integrated on a circuit board, the detection device is installed on the carrier roller inner shaft 3, the carrier roller motor control module 11 is also provided with the network cable transmission module 8, when the carrier roller 2 is locked, the carrier roller motor control module 11 controls the carrier roller motor 12 to stop running, and an antenna of the wireless transmission module 8 is exposed outside.
The wireless transmission module 8 in this embodiment is connected and communicated with the gateway 9 through the LoRa protocol, and the protocol has the characteristics of long transmission distance, low power consumption, low cost, convenience for large-scale networking communication, and the like.
The upper computer 10 in this embodiment is configured to display temperature, vibration parameters, and rotational speed information of each belt conveyor, and when the idler roller is jammed, may display a warning message and send a message to the idler roller motor control module 11 to stop the operation of the idler roller motor 12.
Further, an administrator can also send an operation instruction through the upper computer 10 to control the on and off of the carrier roller motor 12.
The utility model discloses whether the bearing roller card is dead is judged according to the normal running information comparison of belt conveyor bearing roller to bearing roller state information database a, in detail, the step specifically as follows:
(1) and (3) acquiring the normal operation of the belt conveyor: when the belt conveyor normally runs, collecting the normal temperature, vibration parameters and rotating speed of the carrier roller through a sensor, and recording the normal temperature, vibration parameters and rotating speed into a carrier roller state information database a;
(2) acquiring abnormal operation data of the belt conveyor: simulating the abnormal state scene of the belt conveyor, and collecting information through a sensor and recording the information into a carrier roller state information database a when the carrier roller clamping rotating speed is zero, the belt slip temperature is increased and the belt deviation vibration parameters are abnormal;
(3) after the operation information of the belt conveyor is acquired, whether the carrier roller is abnormal or not is judged by comparing the real-time state information of the carrier roller with the normal and abnormal state information;
(4) the system needs to update the information of the database in real time according to the change of the room temperature condition, and needs to generate a running condition log of the belt conveyor, and carries out comparison and analysis in the upper computer 10.
The following describes the present invention by way of example:
according to the established simulation experiment platform, the belt conveyor shown in fig. 2 adopts P-type carrier rollers. A tachogenerator, a temperature sensor and a triaxial acceleration sensor are adopted for data collection and are recorded into a carrier roller state information database a, and the database contains real-time state information and normal and abnormal state information of the carrier roller.
The power supply of the system is from a three-phase alternating current generator arranged in the carrier roller, one path of current supplies power to the system through voltage reduction, rectification, filtering and voltage stabilization, the other path of current is subjected to filtering and shaping to form a pulse waveform which can be identified by a processor, and the purpose of measuring the rotating speed of the carrier roller is achieved through internal clock recording.
Tachogenerator, temperature sensor and triaxial acceleration sensor transmit the information transmission who collects to microprocessor, microprocessor transmits the information processing who receives for wireless transmission module, wireless transmission module sends information to the gateway through LoRaWAN, the gateway sends received information to the host computer, the host computer inputs the information that receives into bearing roller information database a and judges whether belt conveyor operates unusually, if unusual then pass through gateway transmission to wireless transmission module with information, bearing roller motor control module control bearing roller motor stall, and warn on the host computer and remind.
Claims (9)
1. The carrier roller multi-parameter detection control system with the self-power supply function is characterized by comprising a three-phase alternating-current speed measurement generator, a temperature sensor, a three-axis acceleration sensor, a microprocessor, a wireless transmission module, a carrier roller motor control module and an upper computer, wherein the three-phase alternating-current speed measurement generator is an outer rotor generator, a rotor is connected with a carrier roller, a stator is connected with a roller shaft, the carrier roller drives the rotor to generate electricity, one path of the three-phase alternating-current speed measurement generator supplies power to the system through voltage reduction, rectification, filtering and voltage stabilization, and the other path of the three-phase alternating-current speed measurement generator forms a pulse;
the temperature sensor and the triaxial acceleration sensor transmit the collected data of the temperature sensor and the triaxial acceleration sensor of the carrier roller to the microprocessor chip;
the microprocessor collects data measured by each sensor module and sends the data to the wireless transmission module;
the wireless transmission module transmits data sent by the microprocessor to the upper computer through a wireless protocol;
the wireless transmission module is communicated with the gateway through an LoRa communication protocol;
the upper computer receives, records, arranges and displays data transmitted by the wireless module;
the upper computer is provided with a carrier roller information database, and the carrier roller information database stores the state information of the carrier rollers at each moment;
and when the carrier roller motor control module receives the carrier roller locking information transmitted by the wireless transmission module, the carrier roller motor is controlled to be closed.
2. A idler roller multiparameter detection control system with self-powered function as claimed in claim 1, wherein said speed sensor employs a commercially available three-phase ac tachogenerator.
3. An idler multi-parameter detection control system with self-powered function as claimed in claim 1, wherein said temperature sensor is a DS18B20 module which directly outputs digital signals for packaging in various forms.
4. A idler multiparameter detection control system with self-powered function as claimed in claim 1, wherein said triaxial acceleration sensor employs an ADXL345 module.
5. A carrier roller multi-parameter detection control system with self-powered function as claimed in claim 1, characterized in that the wireless transmission module adopts a commercially available LoRa chip SX1276, which communicates through LoRaWAN.
6. A carrier roller multi-parameter detection control system with self-powered function as claimed in claim 1, wherein said microprocessor uses ESP32 chip manufactured by lenxin corporation.
7. A roller multi-parameter testing control system with self-powered function as claimed in claim 1 wherein said gateway is a HT-M01 mini gateway manufactured by HELTECH corporation.
8. A carrier roller multi-parameter detection control system with self-powered function as claimed in claim 1, wherein the gateway communicates with the upper computer through SPI or USB.
9. The idler multiparameter detection control system with self-powered function as claimed in claim 1, wherein an administrator sends an operation instruction through an upper computer to control the idler motor to operate or perform manual operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921057182.0U CN210428125U (en) | 2019-07-08 | 2019-07-08 | Carrier roller multi-parameter detection control system with self-powered function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921057182.0U CN210428125U (en) | 2019-07-08 | 2019-07-08 | Carrier roller multi-parameter detection control system with self-powered function |
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| CN210428125U true CN210428125U (en) | 2020-04-28 |
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| CN201921057182.0U Expired - Fee Related CN210428125U (en) | 2019-07-08 | 2019-07-08 | Carrier roller multi-parameter detection control system with self-powered function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262357A (en) * | 2019-07-08 | 2019-09-20 | 天津城建大学 | Carrying roller multi-parameter detecting and controlling system and its implementation with self-powered function |
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2019
- 2019-07-08 CN CN201921057182.0U patent/CN210428125U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262357A (en) * | 2019-07-08 | 2019-09-20 | 天津城建大学 | Carrying roller multi-parameter detecting and controlling system and its implementation with self-powered function |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 Termination date: 20210708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |