CN104646286A - PLC based rotary drum screening machine electrical control system - Google Patents
PLC based rotary drum screening machine electrical control system Download PDFInfo
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- CN104646286A CN104646286A CN201310607876.8A CN201310607876A CN104646286A CN 104646286 A CN104646286 A CN 104646286A CN 201310607876 A CN201310607876 A CN 201310607876A CN 104646286 A CN104646286 A CN 104646286A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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- Testing And Monitoring For Control Systems (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a PLC based rotary drum screening machine electrical control system. A first electric motor and a second electric motor which are used for driving a rotary drum of a rotary drum screening machine to rotate are symmetrically arranged on the rotary drum screening machine, the rotary drum screening machine electrical control system comprises a PLC module, a power supply module, a touch type liquid crystal display screen, a frequency converter and an RS-485 communication module, wherein the touch type liquid crystal display screen, the frequency converter and the RS-485 communication module are connected with the PLC module, a first current sensor, a first temperature sensor and a first encoder are installed on the first electric motor, a second current sensor, a second temperature sensor and a second encoder are installed on the second electric motor, and the output end of the PLC module is connected with a first electric motor work indication lamp, a second electric motor work indication lamp and an audible and visual alarm. The PLC based rotary drum screening machine electrical control system is simple in structure, reasonable in design, convenient and quick to use and operate, good in drive stability, good in screening effect, high in practicability and good in using effect, the working reliability and stability of the rotary drum screening machine are improved, and popularization and usage are facilitated.
Description
Technical field
The present invention relates to technical field of electric control, especially relate to a kind of trommelling electrical-mechanical control system based on PLC.
Background technology
Trommelling machine is widely used in the industries such as mine, garbage disposal, composting.The screen drum length of some trommelling machines reaches more than 10 meters and 10 meters, if use single motor drive mode of conventional tumble screening machine, due to the hysteresis quality of transmission, main drive end and driven end will be made synchronously not drive, thus on screen drum, produce very large torsion, not only infringement is caused to screen drum main body, shorten the service life of screen drum, also there will be and to beat the phenomenon of the not stationarity causing transmission because screen drum produces circumference, cause screening effect undesirable, therefore someone devises the drive unit of Dual-motors Driving, but, when being designed to Dual-motors Driving mode, the run-in synchronism control of bi-motor has become again a difficult problem with functional reliability, prior art can't solve well.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of trommelling electrical-mechanical control system based on PLC is provided, its structure is simple, reasonable in design, uses simple operation, transmission stability is good, screening effect is good, improves the reliability and stability of trommelling machine work, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of trommelling electrical-mechanical control system based on PLC, described trommelling machine is symmetrically arranged with the first motor and second motor of the drum rotating for driving trommelling machine, it is characterized in that: described trommelling electrical-mechanical control system comprises PLC module and the power module for each electricity consumption module for power supply in system, and the touch LCD screen to connect with described PLC module, frequency converter with for being connected with remote monitoring computer and the RS-485 communication module communicated, described first motor and the second motor all connect with the signal output part of described frequency converter, described first motor is provided with the first current sensor for carrying out detection in real time to the phase current of the first motor and the first temperature sensor for carrying out detection in real time to the temperature of the first motor, and the first encoder for carrying out detecting in real time to the rotating speed of the first motor and turned position, described second motor is provided with the second current sensor for carrying out detection in real time to the phase current of the second motor and the second temperature sensor for carrying out detection in real time to the temperature of the second motor, and the second encoder for carrying out detecting in real time to the rotating speed of the second motor and turned position, described first current sensor, first temperature sensor, second current sensor and the second temperature sensor all connect with the signal input part of described PLC module, described first encoder and the second encoder all connect with the signal input part of described frequency converter, the output of described PLC module is connected to the first motor relay indicating light being used to indicate the first electric motor normal working, be used to indicate the second motor relay indicating light of the second electric motor normal working and the audible-visual annunciator for sending sound and light alarm signal.
The above-mentioned trommelling electrical-mechanical control system based on PLC, is characterized in that: described PLC module is siemens PLC series of PLC module.
The above-mentioned trommelling electrical-mechanical control system based on PLC, is characterized in that: described first motor relay indicating light and the second motor relay indicating light are green LED lamp.
The present invention compared with prior art has the following advantages:
1, present invention employs integrated, modular design, structure is simple, reasonable in design, and it is convenient to realize.
2, the present invention just can realize to trommelling machine by operation touch LCD screen control, use simple operation, and hommization degree is high.
3, the present invention adopts the first motor and the second motor to drive the drum rotating of trommelling machine simultaneously, can not produce very large torsion, can not damage, extend the service life of screen drum, decrease maintenance and repair expense to screen drum main body on screen drum; Prevent screen drum to produce circumference to beat, transmission stability is good, and screening effect is good, and can realize the Complete Synchronization of the first motor and the second motor by frequency converter.
4, complete function of the present invention, not only has the feedback regulation function of motor speed and turned position, and can detect in real time the phase current of motor and temperature, improves the reliability and stability of trommelling machine work.
5, of the present invention practical, result of use is good, is convenient to promote the use of.
In sum, structure of the present invention is simple, reasonable in design, and use simple operation, transmission stability is good, and screening effect is good, improves the reliability and stability of trommelling machine work, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-the first motor; 2-the second motor; 3-PLC module;
4-power module; 5-touch LCD screen; 6-frequency converter;
7-remote monitoring computer; 8-RS-485 communication module; 9-the first current sensor;
10-the first temperature sensor; 11-the second current sensor; 12-the second temperature sensor;
13-the first encoder; 14-the second encoder;
15-the first motor relay indicating light; 16-the second motor relay indicating light;
17-audible-visual annunciator.
Detailed description of the invention
As shown in Figure 1, trommelling electrical-mechanical control system based on PLC of the present invention, described trommelling machine is symmetrically arranged with the first motor 1 and the second motor 2 of the drum rotating for driving trommelling machine, described trommelling electrical-mechanical control system comprises PLC module 3 and the power module 4 for each electricity consumption module for power supply in system, and the touch LCD screen 5 to connect with described PLC module 3, frequency converter 6 with for being connected with remote monitoring computer 7 and the RS-485 communication module 8 communicated, described first motor 1 and the second motor 2 all connect with the signal output part of described frequency converter 6, described first motor 1 is provided with the first current sensor 9 for carrying out detection in real time to the phase current of the first motor 1 and the first temperature sensor 10 for carrying out detection in real time to the temperature of the first motor 1, and the first encoder 13 for carrying out detecting in real time to the rotating speed of the first motor 1 and turned position, described second motor 2 is provided with the second current sensor 11 for carrying out detection in real time to the phase current of the second motor 2 and the second temperature sensor 12 for carrying out detection in real time to the temperature of the second motor 2, and the second encoder 14 for carrying out detecting in real time to the rotating speed of the second motor 2 and turned position, described first current sensor 9, first temperature sensor 10, second current sensor 11 and the second temperature sensor 12 all connect with the signal input part of described PLC module 3, described first encoder 13 and the second encoder 14 all connect with the signal input part of described frequency converter 6, the output of described PLC module 3 is connected to the first motor relay indicating light 15 being used to indicate the first motor 1 and normally working, be used to indicate the second motor 2 normally the second motor relay indicating light 16 of work and audible-visual annunciator 17 for sending sound and light alarm signal.
As shown in Figure 1, in the present embodiment, described PLC module 3 is siemens PLC series of PLC module.Described first motor relay indicating light 15 and the second motor relay indicating light 16 are green LED lamp.
Operation principle of the present invention and the course of work are: after user starts trommelling machine by operation touch LCD screen 5, described PLC module 3 carries out variable frequency regulating speed control by frequency converter 6 to the first motor 1 and the second motor 2, first motor 1 and the second motor 2 drive the drum rotating of trommelling machine, realize material screening.In first motor 1 and the second motor 2 operation process, first encoder 13 detects in real time the rotating speed of the first motor 1 and turned position and detected signal is exported to frequency converter 6, the signal that frequency converter 6 detects according to the first encoder 13 is finely tuned the rotating speed of the first motor 1 and turned position, the phase current of the first current sensor 9 to the first motor 1 detects in real time and detected signal is exported to PLC module 3, the temperature of the first temperature sensor 10 to the first motor 1 detects in real time and detected signal is exported to PLC module 3, PLC module 3 controls touch LCD screen 5 and shows the real-time phase current of the first motor 1 and real time temperature, and real-time phase current and the phase current threshold value set by operating touch LCD screen 5 are in advance compared, real time temperature and the temperature threshold set by operating touch LCD screen 5 are in advance compared, when real-time phase current is less than phase current threshold value and real time temperature is less than temperature threshold, PLC module 3 controls the first motor relay indicating light 15 and lights, the first motor 1 is indicated normally to work, when real-time phase current exceedes phase current threshold value or real time temperature exceedes temperature threshold, PLC module 3 controls audible-visual annunciator 17 and sends sound and light alarm signal, reminding user is shut down, second encoder 14 detects in real time the rotating speed of the second motor 2 and turned position and detected signal is exported to frequency converter 6, the signal that frequency converter 6 detects according to the second encoder 14 is finely tuned the rotating speed of the second motor 2 and turned position, the phase current of the second current sensor 11 to the second motor 2 detects in real time and detected signal is exported to PLC module 3, the temperature of the second temperature sensor 12 to the second motor 2 detects in real time and detected signal is exported to PLC module 3, PLC module 3 controls touch LCD screen 5 and shows the real-time phase current of the second motor 2 and real time temperature, and real-time phase current and the phase current threshold value set by operating touch LCD screen 5 are in advance compared, real time temperature and the temperature threshold set by operating touch LCD screen 5 are in advance compared, when real-time phase current is less than phase current threshold value and real time temperature is less than temperature threshold, PLC module 3 controls the second motor relay indicating light 16 and lights, the second motor 2 is indicated normally to work, when real-time phase current exceedes phase current threshold value or real time temperature exceedes temperature threshold, PLC module 3 controls audible-visual annunciator 17 and sends sound and light alarm signal, reminding user is shut down.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection domain of technical solution of the present invention.
Claims (3)
1. the trommelling electrical-mechanical control system based on PLC, described trommelling machine is symmetrically arranged with the first motor (1) and second motor (2) of the drum rotating for driving trommelling machine, it is characterized in that: described trommelling electrical-mechanical control system comprises PLC module (3) and the power module (4) for each electricity consumption module for power supply in system, and the touch LCD screen (5) to connect with described PLC module (3), frequency converter (6) with for being connected with remote monitoring computer (7) and the RS-485 communication module (8) communicated, described first motor (1) and the second motor (2) all connect with the signal output part of described frequency converter (6), described first motor (1) is provided with the first current sensor (9) for carrying out detection in real time to the phase current of the first motor (1) and the first temperature sensor (10) for carrying out detection in real time to the temperature of the first motor (1), and the first encoder (13) for carrying out detecting in real time to the rotating speed of the first motor (1) and turned position, described second motor (2) is provided with the second current sensor (11) for carrying out detection in real time to the phase current of the second motor (2) and the second temperature sensor (12) for carrying out detection in real time to the temperature of the second motor (2), and the second encoder (14) for carrying out detecting in real time to the rotating speed of the second motor (2) and turned position, described first current sensor (9), first temperature sensor (10), second current sensor (11) and the second temperature sensor (12) all connect with the signal input part of described PLC module (3), described first encoder (13) and the second encoder (14) all connect with the signal input part of described frequency converter (6), the output of described PLC module (3) is connected to the first motor relay indicating light (15) being used to indicate the first motor (1) and normally working, be used to indicate the second motor (2) normally the second motor relay indicating light (16) of work and audible-visual annunciator (17) for sending sound and light alarm signal.
2. according to the trommelling electrical-mechanical control system based on PLC according to claim 1, it is characterized in that: described PLC module (3) is siemens PLC series of PLC module.
3. according to the trommelling electrical-mechanical control system based on PLC according to claim 1, it is characterized in that: described first motor relay indicating light (15) and the second motor relay indicating light (16) are green LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607876.8A CN104646286A (en) | 2013-11-22 | 2013-11-22 | PLC based rotary drum screening machine electrical control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310607876.8A CN104646286A (en) | 2013-11-22 | 2013-11-22 | PLC based rotary drum screening machine electrical control system |
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| Publication Number | Publication Date |
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| CN104646286A true CN104646286A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310607876.8A Pending CN104646286A (en) | 2013-11-22 | 2013-11-22 | PLC based rotary drum screening machine electrical control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106000859A (en) * | 2016-05-23 | 2016-10-12 | 安庆市峰邦工业产品设计有限公司 | Rotary drum screen no-load trial running steering adjustment device |
| CN106311602A (en) * | 2015-06-16 | 2017-01-11 | 徐工集团工程机械股份有限公司 | Electric control system and control method and screening machine |
| CN106345687A (en) * | 2016-08-22 | 2017-01-25 | 安徽工程大学机电学院 | Industrial screening system formed based on automatic working procedure |
| CN106362939A (en) * | 2016-11-08 | 2017-02-01 | 天津百利阳光环保设备有限公司 | Rotary screen drive system based on double motors |
| CN106914468A (en) * | 2015-12-24 | 2017-07-04 | 北京三态环境科技有限公司 | Refuse classification all-in-one parameter feedback device for automatically regulating and method |
-
2013
- 2013-11-22 CN CN201310607876.8A patent/CN104646286A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311602A (en) * | 2015-06-16 | 2017-01-11 | 徐工集团工程机械股份有限公司 | Electric control system and control method and screening machine |
| CN106914468A (en) * | 2015-12-24 | 2017-07-04 | 北京三态环境科技有限公司 | Refuse classification all-in-one parameter feedback device for automatically regulating and method |
| CN106914468B (en) * | 2015-12-24 | 2019-10-18 | 北京三态环境科技有限公司 | Refuse classification all-in-one machine parameter feedback device for automatically regulating and method |
| CN106000859A (en) * | 2016-05-23 | 2016-10-12 | 安庆市峰邦工业产品设计有限公司 | Rotary drum screen no-load trial running steering adjustment device |
| CN106345687A (en) * | 2016-08-22 | 2017-01-25 | 安徽工程大学机电学院 | Industrial screening system formed based on automatic working procedure |
| CN106362939A (en) * | 2016-11-08 | 2017-02-01 | 天津百利阳光环保设备有限公司 | Rotary screen drive system based on double motors |
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Application publication date: 20150527 |