CN101860014B - Motor overload energy bubble protection method and control system thereof - Google Patents
Motor overload energy bubble protection method and control system thereof Download PDFInfo
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- CN101860014B CN101860014B CN 201010181596 CN201010181596A CN101860014B CN 101860014 B CN101860014 B CN 101860014B CN 201010181596 CN201010181596 CN 201010181596 CN 201010181596 A CN201010181596 A CN 201010181596A CN 101860014 B CN101860014 B CN 101860014B
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- overload
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Abstract
The invention aims to overcome the defects of misjudgment failureenergy bubble protection method established on a microcontrol program and a control system thereof. The energy bubble protection method comprises the following steps of: instantly overloading; acquiring data; inputting a set value; comparing a set value A; forming energy bubbles and overlapping overflow energy; comparing a set value B, overflowing and breaking the energy bubbles and executing protection measures by a system; and emptying and protecting and continuously carrying out the detection and the monitoring. The energy bubble protection control system comprises a motor overload microcontroller and an energy bubble protective control module, wherein the motor overload microcontroller can be used for judging overload current; the energy bubble protective control module is used for recording the overloaded instant quantity, is simultaneously correlative with the recorded overload history value to form the energy bubbles, is used for judging system parameters relative to the set values and executing the protective measures. The invention is software implementation of an intelligent continuous measuring control theory; and compared with the prior art, the invention has the advantages of less possibility of generating judgment, wide application range of the motor, fewer occupied resources and realization on the intelligent continuous measurement.
Description
Technical field
The present invention relates to a kind of motor overload energy bubble protection method and control system thereof that is based upon on the microcontroller program.
Background technology
The method of protection motor overload is more at present, also has by microcontroller and PLC device overload current is judged, but because its function is not strong, and judgment mode is simple, produces erroneous judgement through regular meeting, and cause motor rotation undesired.
Summary of the invention
The objective of the invention is to solve current microcontroller and PLC device to the erroneous judgement deficiency that the simple judgement of overload current produces, a kind of motor overload energy bubble protection method and control system thereof that is based upon on the microcontroller program is provided.
In order to reach purpose of the present invention, the present invention is achieved in that
Motor overload energy bubble protection method, this method comprises:
(1) instantaneous overload, the data of the instantaneous motor overload of time recording;
(2) obtain data, detect according to analog quantity and obtain instantaneous motor overload data;
(3) input set point A, B, set point A determines the size of instantaneous motor overload energy; Set point B determines the size of energy bubbles;
(4) set point A compares, to detect the energy that overflows in the instantaneous motor overload value;
(5) energy bubbles forms, and overflows the energy stack;
(6) set point B compares, and energy bubbles is overflowed and broken, system's execute protection measure;
(7) emptying protection, when detecting instantaneous motor overload energy value less than set point A, system's emptying energy bubbles is proceeded to detect and monitoring.
Motor overload energy bubble protection control system comprises: motor overload microcontroller and energy bubbles protection control module is characterized in that:
(1) described motor overload microcontroller is judged overload current;
(2) instantaneous flow of described energy bubbles protection control module record overload, the overload history value with record is associated simultaneously, forms energy bubbles;
(3) judge the execute protection measure with respect to the system parameters of set point.
Described set point is instantaneous motor overload energy parameter and energy bubbles stack parameter.
Described safeguard measure is execute protection and emptying protection.
The present invention is that the software of intelligent continuous measurement control theory realizes that with respect to prior art, its beneficial effect is:
1, adopted software control system, protection control performance precision height;
2, be difficult for producing erroneous judgement, develop the overload capacity of motor to greatest extent, the protection good reliability;
3, adapt to wide range of motors, number of calculations is few, and it is little to take resource, and reaction in time;
4, the instantaneous flow of not only record overload also is associated with the overload history value, realizes intelligent continuous measurement.
Description of drawings
Fig. 1 is motor overload energy bubble protection method FB(flow block) of the present invention.
Fig. 2 is the software architecture diagram of motor overload energy bubble protection control system of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
A kind of method for the protection of motor overload energy provided by the invention, this method comprises:
Motor overload energy bubble protection method, this method comprises:
(1) instantaneous overload, the data of the instantaneous motor overload of time recording;
(2) obtain data, detect according to analog quantity and obtain instantaneous motor overload data;
(3) input set point A, B, set point A determines the size of instantaneous motor overload energy; Set point B determines the size of energy bubbles;
(4) set point A compares, to detect the energy that overflows in the instantaneous motor overload value;
(5) energy bubbles forms, and overflows the energy stack;
(6) set point B compares, and energy bubbles is overflowed and broken, system's execute protection measure;
(7) emptying protection, when detecting instantaneous motor overload energy value less than set point A, system's emptying energy bubbles is proceeded to detect and monitoring.
The software function implementation of motor overload energy bubble protection control system of the present invention is:
1, the data acquisition in the motor overload microcontroller 201 is the emphasis of controller, and it mainly finishes accurate measurement to the motor overload current input signal by timing switch 202, and the data that collect are conveyed to energy bubbles protection control module 301.
2, the core of energy bubbles protection control module 301 is that data are carried out the set point parameter relatively; it also is design key point and the innovative point of motor overload energy bubble protection control system 101; it mainly finishes the contrast of set point parameter and measurement data; detect unusual in the instantaneous motor overload energy value, guarantee accuracy and the repeatability of control system network requirement.
3, energy bubbles protection control module 301 is controlled the executive software 203 that parameter uploads to controller 201 with it, and executive software 203 is mainly finished the execute protection measure after system parameters is judged.Executive software is realized following executive mode:
(1) execute protection
When set point A parameter during greater than detection limit, energy bubbles is overflowed stack, overflows stack quantity when surpassing set point B parameter when energy bubbles, and energy bubbles is broken, and carries out the shutdown protection.
(2) emptying protection
When detecting instantaneous motor overload energy value less than set point A, system's emptying energy bubbles is proceeded to detect and monitoring.
What more than enumerate only is the specific embodiments of the invention frameworks, and all distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (3)
1. motor overload energy bubble protection method, this method comprises:
(1) instantaneous overload, the data of the instantaneous motor overload of time recording;
(2) obtain data, detect according to analog quantity and obtain instantaneous motor overload data;
(3) input set point A, B, set point A determines the size of instantaneous motor overload energy; Set point B determines the size of energy bubbles;
(4) compare with set point A, to detect the energy that overflows in the instantaneous motor overload value;
(5) energy bubbles forms, and overflows the energy stack;
(6) compare with set point B, energy bubbles is overflowed and is broken, system's execute protection measure;
(7) emptying protection, when detecting instantaneous motor overload energy value less than set point A, system's emptying energy bubbles is proceeded to detect and monitoring.
2. motor overload energy bubble is protected control system, comprising: motor overload microcontroller and energy bubbles protection control module is characterized in that:
(1) described motor overload microcontroller is judged overload current;
(2) instantaneous flow of described energy bubbles protection control module record overload, the overload history value with record is associated simultaneously, forms energy bubbles;
(3) described protection control system realizes the described motor overload energy bubble protection method of claim 1.
3. motor overload energy bubble according to claim 2 is protected control system, it is characterized in that: set point is instantaneous motor overload energy parameter and energy bubbles stack parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010181596 CN101860014B (en) | 2010-05-24 | 2010-05-24 | Motor overload energy bubble protection method and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010181596 CN101860014B (en) | 2010-05-24 | 2010-05-24 | Motor overload energy bubble protection method and control system thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101860014A CN101860014A (en) | 2010-10-13 |
| CN101860014B true CN101860014B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010181596 Expired - Fee Related CN101860014B (en) | 2010-05-24 | 2010-05-24 | Motor overload energy bubble protection method and control system thereof |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473497A (en) * | 1993-02-05 | 1995-12-05 | Franklin Electric Co., Inc. | Electronic motor load sensing device |
| CN1652423A (en) * | 2005-01-19 | 2005-08-10 | 哈尔滨工业大学 | Digitallisation implementing method for ac motor heat overload protection |
| CN1971291A (en) * | 2006-12-14 | 2007-05-30 | 北京中星微电子有限公司 | Number frequency converter circuit in electric energy measurement chip |
| CN101132129A (en) * | 2007-08-10 | 2008-02-27 | 西安理工大学 | AC motor over-load inverse time-lag protection method based on heat accumulation |
-
2010
- 2010-05-24 CN CN 201010181596 patent/CN101860014B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473497A (en) * | 1993-02-05 | 1995-12-05 | Franklin Electric Co., Inc. | Electronic motor load sensing device |
| CN1652423A (en) * | 2005-01-19 | 2005-08-10 | 哈尔滨工业大学 | Digitallisation implementing method for ac motor heat overload protection |
| CN1971291A (en) * | 2006-12-14 | 2007-05-30 | 北京中星微电子有限公司 | Number frequency converter circuit in electric energy measurement chip |
| CN101132129A (en) * | 2007-08-10 | 2008-02-27 | 西安理工大学 | AC motor over-load inverse time-lag protection method based on heat accumulation |
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| Publication number | Publication date |
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| CN101860014A (en) | 2010-10-13 |
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Granted publication date: 20130821 Termination date: 20190524 |