CN210700584U - Dual-drive automatic balance control system of intelligent environment-friendly gravel sand making machine - Google Patents
Dual-drive automatic balance control system of intelligent environment-friendly gravel sand making machine Download PDFInfo
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- CN210700584U CN210700584U CN201921485062.0U CN201921485062U CN210700584U CN 210700584 U CN210700584 U CN 210700584U CN 201921485062 U CN201921485062 U CN 201921485062U CN 210700584 U CN210700584 U CN 210700584U
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Abstract
The utility model discloses a dual-drive automatic balance control system of an intelligent environment-friendly gravel sand making machine, which comprises a first frequency converter group, a second frequency converter group and an information processing module, wherein the first frequency converter group comprises a main motor, a main control electric cabinet for controlling the main motor and a first parameter detector for detecting the operation parameter of the main motor, the second frequency converter group comprises a slave control electric cabinet for controlling the slave motor and a second parameter detector for detecting the operation parameter of the slave motor, one end of the information processing module is respectively connected with the first parameter detector and the second parameter detector and receives the data of the first parameter detector and the second parameter detector, the other end of the information processing module is respectively connected with the main control electric cabinet and the slave control electric cabinet and feeds the data back to the main control electric cabinet and the slave control electric cabinet, compared with the prior art, the dual-drive automatic balance control system effectively ensures that the two motors can output in equal proportion according to respective rated power, thereby realizing the power balance of the two motors.
Description
Technical Field
The utility model relates to an intelligence environmental protection rubble system sand machine dual drive automatic balance control system.
Background
At present, the infrastructure of China still develops rapidly, particularly the strategy of 'one-by-one' advocated by China is comprehensively promoted, the sand consumption of concrete is greatly increased, available natural river sand is less and less, most local governments limit or even forbid the excavation of the natural river sand in order to protect the environment, and mechanical sand making is the only way for solving the problem of the sand consumption of concrete.
The larger the sand making equipment is, the more the power required is; due to the structural limitation and safety requirements, the large sand making machine is driven by double motors.
The traditional control system is actually open-loop control, adopts a single control cabinet, simultaneously controls two motors, does not respectively control the rotating speed, the steering and the load of each motor, and fixedly outputs voltage and frequency; however, in the actual situation, two motors drag the same mechanical load through a triangular belt independently, even if two motors with the same model are completely same, the slip ratios of the two motors are different, and the two belts are abraded and deformed in the operation process to cause different degrees of tightness, so that the actual output forces of the two motors are possibly greatly different, even if one dividend is pulled to operate, the purpose of exerting the maximum output force of the motors cannot be achieved; the mechanical structure is not possible to be the same, the feeding and discharging are not possible to be the same, the abrasion at two ends of the rotor is not the same, the tension degree of the V-belt is not possible to be adjusted to be the same, and the V-belt is not worn in a different way in use, so that the loads of the two motors are different, and the speed and the phase acting on the rotor are different. Thereby causing the motors to mutually 'internally consume' power and wasting energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem that: the utility model provides an intelligence environmental protection rubble system sand machine dual drive automatic balance control system, can solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an intelligence environmental protection rubble system sand machine dual drive automatic balance control system, including first converter group, second converter group and information processing module, first converter group includes the main control electricity cabinet of main motor, control main motor and detects the first parameter detector of main motor operational parameter, second converter group includes from motor, control from the electric cabinet of accuse with detect the second parameter detector of following motor operational parameter from motor, control, information processing module one end is connected with first parameter detector and second parameter detector respectively, and receives the data of first parameter detector and second parameter detector, the information processing module other end is connected with the main control electricity cabinet and from the accuse electricity cabinet respectively to give main control electricity cabinet and follow accuse electricity cabinet with data feedback.
Furthermore, the first frequency converter group and the second frequency converter group are closed-loop control systems.
Furthermore, a master frequency converter and a slave frequency converter are respectively arranged in the master control electric cabinet and the slave control electric cabinet, the master motor is electrically connected with the master frequency converter, and the slave motor is electrically connected with the slave frequency converter.
Furthermore, direct current buses of the main frequency converter and the slave frequency converter are in a parallel structure.
Furthermore, an R485 communication system is connected between the master control electric cabinet and the slave control electric cabinet.
Furthermore, the output shafts of the main motor and the slave motor are connected with the rotor of the gravel sand making machine through a belt independently.
Compared with the prior art, the utility model adopts the above technical scheme, guaranteed effectively that two motors can be according to respective rated power equal proportion output to realize the power balance of two motors, its beneficial effect specifically is:
1. the rotating speed, the steering and the torque of the two motors are automatically controlled, so that the rotating speed and the steering of the two motors are the same, the loads of the two motors are the same and balanced, the internal consumption waste of the two motors is reduced to the maximum extent, the power offset caused by factors such as uneven structure, uneven feeding and discharging, uneven wear and the like is overcome, and the use efficiency of electricity is greatly improved;
2. the automatic adjustment can be timely carried out along with the change of the equipment parameters, so that the running stability of the equipment is improved;
3. when one of the two is in a power generation state, the other absorbs the power generation energy of the other to achieve mutual utilization of the energy, so that the direct-current high voltage is prevented, and meanwhile, the electric energy can be saved;
4. when the motor breaks down, only one motor of the same type needs to be replaced, and motor matching is not needed any more, so that the interchangeability of the motor is improved, and the maintenance time of equipment is shortened.
Drawings
Fig. 1 is a schematic control flow diagram of the present invention;
fig. 2 is a schematic diagram of the energy sharing process of the present invention;
fig. 3 is the utility model discloses a system sand machine control system flow schematic.
Detailed Description
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
as shown in fig. 1 to 3, the dual-drive automatic balance control system of the intelligent environment-friendly gravel sand making machine has the following specific implementation modes: the system comprises a first frequency converter group, a second frequency converter group and an information processing module, wherein the first frequency converter group comprises a main motor, a master control electric cabinet for controlling the main motor and a first parameter detector for detecting the operation parameters of the main motor, the second frequency converter group comprises a slave motor, a slave control electric cabinet for controlling the slave motor and a second parameter detector for detecting the operation parameters of the slave motor, one end of the information processing module is respectively connected with the first parameter detector and the second parameter detector and receives the data of the first parameter detector and the second parameter detector, the other end of the information processing module is respectively connected with the master control electric cabinet and the slave control electric cabinet and feeds the data back to the master control electric cabinet and the slave control electric cabinet, when the system works, the main motor and the slave motor respectively operate and detect the operation parameters (rotating speed and torque) of the motors through the first parameter detector and the second parameter detector, and then the data is transmitted to the information processing module, and the main motor and the slave motor are regulated and controlled again according to the result, so that the loads of the two motors are effectively the same and balanced.
The utility model discloses in first converter group and second converter group are each other closed-loop control system, are by the main control electric cabinet and from the accuse electric cabinet through two-way communication system and can flow the wire and constitute closed-loop control system, not only control voltage, electric current and frequency, still need to detect the structure of output to do adjustment and control once more.
The utility model discloses in be equipped with main converter and follow the converter in the electric cabinet of master control respectively with the follow electric cabinet, main motor and main converter electric connection, from motor and follow converter electric connection, two motors realize load balancing distribution through the flagging control function of converter, and concrete control is, when one of them motor (if main motor) surpasss another motor (from the motor) because of various real-time factor loads when, (main motor) automatic reduction output frequency, reduce the motor speed, in order to unload partial load, with this relapse, real-time continuous fine setting finally reaches the principal and subordinate load balancing, makes the principal and subordinate motor all move near the frequency that the main control electric cabinet set for.
The utility model discloses in main converter is parallelly connected structure with the direct current generating line from the converter, and when one of them was in the power generation state, another absorbed its generating energy, when preventing that the direct current is highly compressed, can save the electric energy again.
The utility model discloses in be connected with R485 communication system between the electric cabinet of master control and the electric cabinet of follow accuse, can realize the strict synchronization that turns to, the rotational speed is synchronous.
The utility model discloses in the output shaft of main motor and slave motor is all connected with the rotor of rubble system sand machine through the belt alone.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an intelligence environmental protection rubble system sand machine dual drive automatic balance control system which characterized in that: including first converter group, second converter group and information processing module, first converter group includes the main control electricity cabinet of main motor, control main motor and detects the first parameter detector of main motor operational parameter, second converter group includes from the motor, control from the electric cabinet of accuse with detect from the second parameter detector of motor operational parameter of motor, information processing module one end is connected with first parameter detector and second parameter detector respectively, and receives the data of first parameter detector and second parameter detector, the information processing module other end is connected with the main control electricity cabinet and from the electric cabinet of accuse respectively to feed back data to the main control electricity cabinet and from the electric cabinet of accuse.
2. The dual-drive automatic balance control system of the intelligent environment-friendly gravel sand making machine according to claim 1, wherein the first frequency converter group and the second frequency converter group are closed-loop control systems.
3. The dual-drive automatic balance control system of the intelligent environment-friendly gravel sand making machine according to claim 1, wherein a master frequency converter and a slave frequency converter are respectively arranged in the master control electric cabinet and the slave control electric cabinet, the master motor is electrically connected with the master frequency converter, and the slave motor is electrically connected with the slave frequency converter.
4. The dual-drive automatic balance control system of the intelligent environment-friendly gravel sand making machine according to claim 3, wherein direct current buses of the main frequency converter and the slave frequency converter are in a parallel structure.
5. The dual-drive automatic balance control system of the intelligent environment-friendly gravel sand making machine according to claim 1, characterized in that an R485 communication system is connected between the master control electric cabinet and the slave control electric cabinet.
6. The dual-drive automatic balance control system of the intelligent environment-friendly gravel sand maker according to claim 1, wherein output shafts of the main motor and the slave motor are connected with a rotor of the gravel sand maker through a belt independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921485062.0U CN210700584U (en) | 2019-09-06 | 2019-09-06 | Dual-drive automatic balance control system of intelligent environment-friendly gravel sand making machine |
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| CN201921485062.0U CN210700584U (en) | 2019-09-06 | 2019-09-06 | Dual-drive automatic balance control system of intelligent environment-friendly gravel sand making machine |
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| CN210700584U true CN210700584U (en) | 2020-06-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684710A (en) * | 2022-11-05 | 2023-02-03 | 山东欧瑞安电气有限公司 | Multi-drive power balance test system and method for permanent magnet motor |
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2019
- 2019-09-06 CN CN201921485062.0U patent/CN210700584U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115684710A (en) * | 2022-11-05 | 2023-02-03 | 山东欧瑞安电气有限公司 | Multi-drive power balance test system and method for permanent magnet motor |
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