CN204009471U - A kind of control system for brushless electric machine remote monitoring - Google Patents
A kind of control system for brushless electric machine remote monitoring Download PDFInfo
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- CN204009471U CN204009471U CN201420477589.XU CN201420477589U CN204009471U CN 204009471 U CN204009471 U CN 204009471U CN 201420477589 U CN201420477589 U CN 201420477589U CN 204009471 U CN204009471 U CN 204009471U
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Abstract
The utility model discloses a kind of control system for brushless electric machine remote monitoring, comprise controller, GPRS communication module, GPS locating module, temperature collect module, switch control module, brushless motor driver, brushless electric machine, supplying cell, the webserver, its middle controller is connected with GPRS communication module, GPS locating module, temperature collect module, switch control module, brushless motor driver respectively, and brushless motor driver is also connected with brushless electric machine; The webserver is connected with controller by GPRS communication module, and there is AD sampling module controller inside; The utility model is by network server end Long-distance Control brushless electric machine, and controllable operation wide coverage, does not need extra wiring, goes back in addition real-time report work at present state; Monitor convenient, flexible, powerful, be convenient to installation, use, operation and maintenance management by network server end Long-distance Control brushless electric machine.
Description
Technical field
The utility model belongs to brushless electric machine control technology field, is specifically related to a kind of control system for brushless electric machine remote monitoring.
Background technology
Brushless electric machine is that brshless DC motor is comprised of motor body and driver, is a kind of typical electromechanical integrated product, though brushless electric machine is short at the development time of China, but along with the increasingly mature of technology obtained fast development with improving.In a plurality of fields such as model plane, medicine equipment, household electrical appliance, electric motor car, water quality monitorings, be used widely, in recent years, brushless electric machine became a kind of power fast-developing in model field.Reason due to output and price, brushless electric machine uses in medium-to-high grade model airplane more in the past few years, the present fast development due to Machining Technology, the production cost of brushless electric machine declines many, it is just entering the every aspect in model field at present, again to electric model airplane, ubiquitous from electrical remote control vehicle to electric remote control ship.
Brushless electric machine has progressively replaced brush motor, the shortcoming that having of brush motor worn and torn greatly, loss is large, heating is large, the life-span is short, efficiency is low, output power is little, reasons in structure due to brush motor, the contact resistance of brush and commutator is very large, cause motor overall electrical resistance larger, easily heating, if temperature is too high, magnet steel easily demagnetizes, motor performance is declined, affect the life-span of brush motor, electric energy is changed to a great extent for heat energy simultaneously, so the output power of brush motor is little, efficiency is not high yet.
And brushless electric machine brushless, low interference because brushless electric machine there is no brush, the most directly change be exactly the electric spark producing while there is no brush motor running, so just greatly reduced the interference of electric spark to remote control radio equipment; Noise is low, it is smooth and easy to turn round, and brushless electric machine has not had brush, and during running, friction force reduces greatly, moves smooth and easyly, and noise can be much lower, and this advantage is a huge support for model running stability; Life-span is long, and low maintenance cost, has lacked brush, and the wearing and tearing of brushless electric machine are mainly on bearing, and from mechanical angle, brushless electric machine is almost a kind of non-maintaining motor.
Brushless electric machine is widely used in military equipment at present, electronic information equipment, industrial equipment, household electrical appliance, the fields such as the vehicles, in household appliance technical field, a lot of air conditioning system makers adopt brushless motor to substitute asynchronous motor, not only efficiency has improved, also obtained the effect of energy-saving and noise-reducing, in mechanical industry, height high-precision machine tool was all with brush DC motors and AC asynchronous motor in the past, use amount is fewer and feweri at present, the reliability that brush motor causes is low, life-span is short, need the shortcomings such as often maintenance, limited its further Application and Development, auto industry is the mainstay industry of Chinese national economy, be subject in recent years the impact of energy crisis, automobile adopts brushless electric machine progressively to increase, in the information processing system communication of unifying, sound equipment, in audio-visual equipment, requiring high-performance, in the motion servo system of high reliability, in space flight, aviation, in weaponry and in Medical Devices, also all adopt performance good, volume is little, the direct current generator that efficiency is high.
The patent No. is CN103384127A, the driving control system that patent name is a kind of brushless electric machine and control method thereof; The patent No. is CN101647189A, and name is called the control method of brushless electric machine, brushless motor control system and brushless electric machine; The patent No. is CN103684142A, and name is called the control system for brushless electric machine, and these three patents have all just mentioned how brushless electric machine being driven to control, does not mention the method for how brushless electric machine being carried out Long-distance Control and telecommunication.
At present brushless electric machine is used on satellite as executive component, adopts brushless electric machine to drive in submarine, and noise is low, be difficult for giving away one's position, control flexibly, inertial navigation testing apparatus, electromagnetic launch technology, satellite optical communication technology, the flywheel of spacecraft, the instrument that water quality detection box improves field all starts to adopt brushless electric machine to drive, and in these technical fields, instrument and equipment all need to carry out outdoor, user needs the duty of these equipment of remote monitoring and instrument, and can obtain at a distance the data message of instrument and equipment, thereby effectively judge and control, but in more existing equipment, especially in water quality monitoring and improvement field, user cannot pass through the working condition of Long-distance Control brushless electric machine, also cannot monitor the duty of brushless electric machine, the problems referred to above are all current problems in urgent need to solve.
Utility model content
Technical problem to be solved in the utility model is: for the defect of prior art, a kind of control system for brushless electric machine remote monitoring is provided, by network server end Long-distance Control brushless electric machine, controllable operation wide coverage, do not need extra wiring, go back in addition real-time report work at present state; This control system monitoring is convenient, flexible, powerful, be convenient to installation, use, operation and maintenance management.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
A kind of control system for brushless electric machine remote monitoring, comprise controller, GPRS communication module, GPS locating module, brushless motor driver, brushless electric machine, the webserver and solar electric power supply system, its middle controller is connected with GPRS communication module, GPS locating module, brushless motor driver respectively, and brushless motor driver is also connected with brushless electric machine; The webserver is connected with controller by GPRS communication module, and there is AD sampling module controller inside;
The webserver is responsible for data and is preserved and order operated from a distance;
GPRS module is responsible for data transmission between controller and the webserver;
GPS locating module is located for control system provides position;
Controller carries out control operation by brushless motor driver to motor;
Brushless electric machine is the operating part of control system, only needs just can normally to move with brushless motor driver coupling.
Controller is by DA conversion and control brushless motor driver, realize the speed governing of brushless electric machine high precision, start or stop function, with Time Controller, pass through to detect the rotating speed of brushless electric machine, control the work of brushless electric machine and the duty of feedback brushless electric machine, the positional information of the equipment that GPS locating module drives brushless electric machine sends to controller, AD sampling module is by the electric current of control system inside, voltage and light intensity signal send to controller, the duty of controller monitoring control system, the inner all data that obtain of controller send to the webserver by GPRS communication module, the webserver is analyzed the data of gained, simultaneously to the controller information of giving an order, the equipment that brushless electric machine is driven is made corresponding adjustment.
As further prioritization scheme of the present utility model, also comprise data memory module, described system is preserved the data that report failure when GPRS data communication is stopped up by data memory module, when data communication recovers, system is reported to server by these data automatically, to guarantee that data do not lose.
As further prioritization scheme of the present utility model, also comprise DA modular converter, brushless motor driver is connected with controller by described DA modular converter.
As further prioritization scheme of the present utility model, described controller communicates by RS232 or 485 serial modes and GPRS, adopts DA conversion by brushless motor driver, to realize the High Precision Long-distance speed governing of brushless electric machine, long-range start or stop function.
As further prioritization scheme of the present utility model, described solar electric power supply system is by solar opto-electronic board, controller for solar, supplying cell and exchange control enclosure and form;
Described solar opto-electronic board, controller for solar, supplying cell, interchange control enclosure, controller are connected successively.
As further prioritization scheme of the present utility model, also comprise Hall current sensor, described Hall current sensor detects the working current of supplying cell and brushless electric machine, and the electric current recording is carried out sending to after isolation measurement conversion the AD sampling module of controller.
As further prioritization scheme of the present utility model, described solar electric power supply system charges to supplying cell by solar opto-electronic board and controller for solar, described interchange control enclosure is connected with mains electricity input end, and civil power is power supply in support, and controller detects the supply voltage of supplying cell;
When supply voltage is not enough, solar electric power supply system automatically switches to mains-supplied, when supplying cell is full of, then switchback supplying cell power supply automatically;
When there is no civil power, if during supplying cell brownout, controller will be controlled brushless electric machine stall, prevent supplying cell overdischarge.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
The first, the utility model is by network server end Long-distance Control brushless electric machine, and controllable operation wide coverage, does not need extra wiring, goes back in addition real-time report work at present state;
The second, the utility model is provided with power interruption recovering function, the fault that can avoid some warm reset to occur, thereby guarantee the reliability of communication, the Control of Voltage of brushless motor driver is that switch is controlled simultaneously, speed governing voltage adopts DA conversion regime, abandon original potentiometer mode speed governing, made control system to carry out long-range speed control and adjusting by wireless network;
Three, the utility model monitoring convenient, flexible, powerful, be convenient to installation, use, operation and maintenance management.
Accompanying drawing explanation
Fig. 1 is modular structure figure of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
The utility model discloses a kind of control system for brushless electric machine remote monitoring, as shown in Figure 1, comprise controller, GPRS communication module, GPS locating module, brushless motor driver, brushless electric machine, solar electric power supply system and the webserver, native system is used civil power power supply in support, its middle controller is connected with GPRS communication module, GPS locating module, brushless motor driver respectively, and brushless motor driver is also connected with brushless electric machine; The webserver is connected with controller by GPRS communication module, and there is AD sampling module controller inside;
Described solar electric power supply system is by solar opto-electronic board, controller for solar, supplying cell and exchange control enclosure and form; Described solar opto-electronic board, controller for solar, supplying cell, interchange control enclosure, controller are connected successively, solar electric power supply system charges to supplying cell by solar opto-electronic board and controller for solar, described interchange control enclosure is also connected with mains electricity input end, civil power is power supply in support, and controller detects the supply voltage of supplying cell;
When supply voltage is not enough, solar electric power supply system automatically switches to civil power and provides power supply for whole system, when supplying cell is full of, then switchback supplying cell power supply automatically;
When there is no civil power, if during supplying cell brownout, controller will be controlled brushless electric machine stall, prevent supplying cell overdischarge.
Controller adopts 32 single-chip microcomputers, this system is provided with DA modular converter, controller is controlled brushless motor driver by DA modular converter, realize the function of the speed governing of brushless electric machine high precision, start or stop, with Time Controller, by detecting the rotating speed of brushless electric machine, control the work of brushless electric machine and the duty of feedback brushless electric machine.Wherein the power supply of brushless motor driver is controlled as on off state and is controlled, and speed governing voltage is DA conversion, has abandoned original potentiometer mode speed governing, makes like this control system to carry out long-range speed control and adjusting by wireless network; Simultaneously, the rotating shaft of brushless electric machine is provided with Hall current sensor, Hall current sensor, described Hall current sensor detects the working current of supplying cell and brushless electric machine, and the electric current recording is carried out sending to after isolation measurement conversion the AD sampling module of controller; Single-chip microcomputer detects the pulsewidth of hall signal, by calculating the rotating speed of motor rotation, and the convenient duty of understanding and control in real time motor.
Single-chip microcomputer inside carries AD sampling module, single-chip microcomputer is measured the working current of the voltage of the working current of the voltage of battery, battery, electric machine controller, motor and light intensity signal by AD sampling module, in real time the duty of understanding and monitoring control system each several part.
Single-chip microcomputer is connected with GPS locating module by serial ports, the positional information of the equipment that GPS locating module drives brushless electric machine sends to controller, AD sampling module sends to controller by signals such as the electric current of control system inside, voltage and light intensity, the duty of controller monitoring control system, the inner all data that obtain of controller send to the webserver by GPRS communication module, the webserver is analyzed the data of gained, simultaneously, to the controller information of giving an order, the equipment that brushless electric machine is driven is made corresponding adjustment.
Single-chip microcomputer is connected by RS232 serial communication or 485 serial modes with GPRS module, also control the power supply state of GPRS module simultaneously, can be by making network service again recover normal to GPRS module power-off restoration when GPRS data communication is stopped up, the fault that power-down mode resets and can avoid some warm reset to occur, to guarantee reliable communications.
When GPRS data communication is stopped up, single-chip microcomputer is saved in the data of failing to report in data memory module, and when data communication recovers, system is reported to server by these data automatically, to guarantee that data do not lose.
Battery current and current of electric are all used Hall current sensor to carry out isolation measurement conversion, and Hall current sensor is exported the voltage between 0 ~ 5V, send into the port of the AD sampling module of single-chip microcomputer after electric resistance partial pressure.
Electric machine controller adopts brushless motor controller, more reliable and more stable to Electric Machine Control like this.The power supply of electric machine controller is used 24V power supply, this 24V power supply by 5V voltage by the LM2577 chip acquisition of boosting of boosting; The DA chip that the speed governing of motor is extended out by a slice by single-chip microcomputer is realized.
The power supply of system is mainly charged to battery by MPPT controller for solar by polylith electro-optical package.In addition to also have a kind of optional power supply be exactly civil power converts to after 12V or 24V to system power supply by Switching Power Supply.Relay by a single-pole double-throw (SPDT) between these two kinds of power supplys switches, and relay amplifies rear drive by the IO port of single-chip microcomputer by triode.
When control system program starts, controller will be carried out one-shot battery voltage identification and calculate, the data that gather by AD sampling module calculate the voltage of battery, are 12V or 24V, for follow-up power management provides criterion according to this magnitude of voltage judgement battery.
This control system is provided with two Battery packs, in the situation that having civil power, when single Battery pack voltage being detected lower than 11.6V, single-chip microcomputer is switched to mains-supplied by pilot relay, after electro-optical package charges the battery over 13V by controller for solar, recovers powered battery.If there is no civil power, when single Battery pack voltage Single-chip Controlling motor stalling during lower than 11.2V, to prevent battery over-discharge.
When the session command between controller and the webserver mainly comprises school, order and data report etc., after controller is good by the data packet group of session command, send to the webserver, the webserver can respond after sending successfully, to controller, send packet, if controller is not received any packet, in overtime repeating transmission, start afterwards reset DTU(radio transmission apparatus) operation, if do not receive, the response data packet of session command will continue to retransmit this session command packet, be successfully completed until send.
Controller inside is provided with data poke module, and described data memory module is used for the configuration parameter of poke control system and the data that controller fails to send in time.
The utility model is not only applicable to water correction and water quality monitoring apparatus field, can also for other by brushless electric machine the equipment as power, can realize equally the function of Long-distance Control of the present utility model and telecommunication.
For a control system for brushless electric machine remote monitoring, by network server end Long-distance Control brushless electric machine, controllable operation wide coverage, does not need extra wiring, goes back in addition real-time report work at present state; This control system monitoring is convenient, flexible, powerful, be convenient to installation, use, operation and maintenance management.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from the utility model aim, make a variety of changes.
Claims (6)
1. the control system for brushless electric machine remote monitoring, it is characterized in that: comprise controller, GPRS communication module, GPS locating module, brushless motor driver, brushless electric machine, solar electric power supply system, the webserver, its middle controller is connected with GPRS communication module, GPS locating module, brushless motor driver respectively, and brushless motor driver is also connected with brushless electric machine; The webserver is connected with controller by GPRS communication module, and there is AD sampling module controller inside.
2. a kind of control system for brushless electric machine remote monitoring as claimed in claim 1, it is characterized in that: also comprise data memory module, described system is preserved the data that report failure when GPRS data communication is stopped up by data memory module, when data communication recovers, system is reported to server by these data automatically.
3. a kind of control system for brushless electric machine remote monitoring as claimed in claim 1 or 2, is characterized in that: also comprise DA modular converter, brushless motor driver is connected with controller by described DA modular converter.
4. a kind of control system for brushless electric machine remote monitoring as claimed in claim 3, is characterized in that: described controller communicates by RS232 or 485 serial modes and GPRS.
5. a kind of control system for brushless electric machine remote monitoring as claimed in claim 4, is characterized in that: described solar electric power supply system is by solar opto-electronic board, controller for solar, supplying cell and exchange control enclosure and form;
Described solar opto-electronic board, controller for solar, supplying cell, interchange control enclosure, controller are connected successively.
6. a kind of control system for brushless electric machine remote monitoring as claimed in claim 5, it is characterized in that: also comprise Hall current sensor, described Hall current sensor detects the working current of supplying cell and brushless electric machine, and the electric current recording is carried out sending to after isolation measurement conversion the AD sampling module of controller.
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| CN201420477589.XU CN204009471U (en) | 2014-08-22 | 2014-08-22 | A kind of control system for brushless electric machine remote monitoring |
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| CN201420477589.XU CN204009471U (en) | 2014-08-22 | 2014-08-22 | A kind of control system for brushless electric machine remote monitoring |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410277A (en) * | 2014-12-16 | 2015-03-11 | 济南大学 | Numeric control power supply with high precision and low power consumption |
| CN106365333A (en) * | 2016-12-07 | 2017-02-01 | 南京领先环保技术股份有限公司 | Multifunctional full-automatic solar water treatment device and method |
| CN108650272A (en) * | 2018-05-18 | 2018-10-12 | 南京铁道职业技术学院 | A kind of monitoring system and its method for brushless motor |
| CN108693810A (en) * | 2018-05-18 | 2018-10-23 | 南京铁道职业技术学院 | A kind of remote monitoring system and its method of brushless motor |
-
2014
- 2014-08-22 CN CN201420477589.XU patent/CN204009471U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410277A (en) * | 2014-12-16 | 2015-03-11 | 济南大学 | Numeric control power supply with high precision and low power consumption |
| CN106365333A (en) * | 2016-12-07 | 2017-02-01 | 南京领先环保技术股份有限公司 | Multifunctional full-automatic solar water treatment device and method |
| CN108650272A (en) * | 2018-05-18 | 2018-10-12 | 南京铁道职业技术学院 | A kind of monitoring system and its method for brushless motor |
| CN108693810A (en) * | 2018-05-18 | 2018-10-23 | 南京铁道职业技术学院 | A kind of remote monitoring system and its method of brushless motor |
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Owner name: NANJING FRONTIER ENVIRONMENTAL PROTECTION CO., LTD Free format text: FORMER NAME: NANJING FRONTIER ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Li Jing high tech Development Zone, 210061 Nanjing Road, Jiangsu province No. 2 B block three layer Patentee after: NANJING LINGXIAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: Li Jing high tech Development Zone, 210061 Nanjing Road, Jiangsu province No. 2 B block three layer Patentee before: Nanjing Frontier Environmental Technology Co., Ltd. |