CN106710391A - Frequency converter fault simulation system - Google Patents
Frequency converter fault simulation system Download PDFInfo
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- CN106710391A CN106710391A CN201611232866.0A CN201611232866A CN106710391A CN 106710391 A CN106710391 A CN 106710391A CN 201611232866 A CN201611232866 A CN 201611232866A CN 106710391 A CN106710391 A CN 106710391A
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- frequency converter
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
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- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Control Of Ac Motors In General (AREA)
- Ac-Ac Conversion (AREA)
Abstract
The invention discloses a frequency converter fault simulation system, which comprises a frequency converter, an AC motor, an adjustable voltage source, an AC voltage regulator, a dial switch and a sound-light alarm. The AC voltage regulator is connected with a power grid and the input end of the frequency converter through wires; the adjustable voltage source is connected to the analog input end of the frequency converter through a wire; the dial switch sends a control instruction to the digital input end of the frequency converter through a wire; the AC motor serves as control output of the frequency converter; and frequency converter fault alarm is output to the sound-light alarm through the digital input end. On the basis of the internal operating principle of the frequency converter, frequency converter faults are simulated through modes of changing the output value of the AC voltage regulator, the output value of the adjustable voltage source and operating parameters of the frequency converter and the like; and the system is simple in structure and easy to realize, is safe and reliable, and can be widely applied to the field of use training and fault elimination of the frequency converter.
Description
Technical field
The present invention relates to application of frequency converter training and failture evacuation system, especially a kind of frequency converter failure simulation system.
Background technology
At present in ac variable speed technology application field, frequency converter is so that its is compact, small-sized, high-performance the features such as achieve
Extensive use.Domestic frequency converter markets brand is various, system is stood in great numbers, even the different series of same producer, application
There is not small difference.The application of frequency converter custom of different brands, argument structure, fault diagnosis all have differences, and this is at the beginning of frequency converter
Scholar brings not molehill.Particularly in terms of frequency converter failure exclusion, the malfunction such as stall, overload, excess temperature, overvoltage is all deposited
In certain danger, equipment fault is gently then caused, it is heavy then cause device damage or personal injury.Therefore in the urgent need to one kind is pacified
Complete reliable fault simulation system, so as to improve the efficiency of frequency converter Training of Personnel for Industry, reduces training cost.
The content of the invention
The present invention is directed to above-mentioned problem, there is provided one kind has simple structure, safe and reliable, and versatility waits well special
The frequency converter failure simulation system of point, can be widely applied to frequency converter and uses training and failture evacuation field.
A kind of frequency converter failure simulation system of the present invention, including frequency converter, ac motor, variable voltage source, exchange tune
Depressor, toggle switch and audible-visual annunciator：AC voltage regulator connects power network and inverter input, variable voltage source by wire
Frequency converter analog input end is connected to by wire, toggle switch sends control instruction and is input into frequency converter digital quantity by wire
End, ac motor as frequency converter controlled output, frequency converter failure alarm is by the output of digital output end to sound and light alarm
Device.
Especially, described frequency converter includes small-power individual event frequency converter and three phase converter.
Especially, described ac motor is squirrel-cage threephase asynchronous, and rated power be not less than it is described
Transducer power.
Especially, described variable voltage source be external power source or the combination by frequency converter internal electric source and potentiometer, can
0-24V variable DC voltages are provided.
Especially, described toggle switch includes rotating forward, reversion, crawl, multi-speed section and Frequency Converter Control etc. fault recovery
Function.
Especially, the analogy method of the system is：By the simulation for adjusting the input voltage, adjustable voltage of AC voltage regulator
, there is alternating current generator or frequency converter in input quantity and modification frequency converter inner parameter, toggle switch control frequency converter action
Malfunction that voltage, under-voltage, overcurrent, overheat, overload, gambling turn and input is transfinited etc., audible-visual annunciator sends failure warning.
What the present invention was produced has the beneficial effect that：Fault simulation system designed by the present invention, with simple structure, safety
Reliably, the features such as versatility is good, can very well meet the application demands such as application of frequency converter training, fault simulation and exclusion.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the hardware connection figure of the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, following examples are used to illustrate the present invention, but not
For limiting the scope of the present invention.
As shown in figure 1, a kind of frequency converter failure simulation system of the invention, including frequency converter, ac motor, adjustable voltage
Source, AC voltage regulator, toggle switch and audible-visual annunciator：AC voltage regulator connects power network and inverter input by wire,
Variable voltage source is connected to frequency converter analog input end by wire, and toggle switch sends control instruction to frequency converter by wire
Digital quantity input, ac motor as frequency converter controlled output, frequency converter failure alarm exported by digital output end
To audible-visual annunciator.
Specific embodiment reference picture 2, frequency converter has selected the MM440 of Siemens, variable voltage source using internal electric source with
The combination of potentiometer, ac motor is squirrel-cage threephase asynchronous, the input connection power network of AC voltage regulator, exchange
Pressure regulator is wired to frequency converter ac input end, and the ac output end of frequency converter is wired to asynchronous electric
Machine, variable voltage source is wired to the analog input end of frequency converter, and toggle switch sends control instruction by wire
To frequency converter digital quantity input, audible-visual annunciator is wired to frequency converter digital output end.
The fault simulation operating method of frequency converter is as shown in table 1：Ac motor as frequency converter output control object,
By adjusting the input voltage of AC voltage regulator, the simulation input amount of adjustable voltage and modification frequency converter inner parameter, dial-up
Switch control frequency converter action, makes alternating current generator or frequency converter overvoltage, under-voltage, overcurrent, overheat, overload, gambling turn occur
And input such as is transfinited at the malfunction, audible-visual annunciator sends failure warning.
Table 1
Only as described above, only the preferred embodiments of the invention, when the model that implementation of the invention can not be limited with this
Enclose, i.e., generally according to simple equivalence changes done by the content described in the claims in the present invention and description of the invention and modification,
All it is still covered by the claims of the invention.Additionally, summary part and title are intended merely to auxiliary patent document searching
Seek and being used, not for limiting the interest field of the present invention.
Claims (6)
1. a kind of frequency converter failure simulation system, it is characterised in that：Including frequency converter, ac motor, variable voltage source, exchange
Pressure regulator, toggle switch and audible-visual annunciator：AC voltage regulator connects power network and inverter input, adjustable voltage by wire
Source is connected to frequency converter analog input end by wire, and it is defeated to frequency converter digital quantity that toggle switch sends control instruction by wire
Enter end, ac motor as frequency converter controlled output, frequency converter failure alarm is by the output of digital output end to acousto-optic report
Alert device.
2. a kind of frequency converter failure simulation system according to claim 1, it is characterised in that：Described frequency converter includes small
Power individual event frequency converter and three phase converter.
3. a kind of frequency converter failure simulation system according to claim 1, it is characterised in that：Described ac motor is
Squirrel-cage threephase asynchronous, and rated power is not less than described transducer power.
4. a kind of frequency converter failure simulation system according to claim 1, it is characterised in that：Described variable voltage source is
External power source or the combination by frequency converter internal electric source and potentiometer, it is possible to provide 0-24V variable DC voltages.
5. a kind of frequency converter failure simulation system according to claim 1, it is characterised in that：Described toggle switch includes
The control function of frequency converter such as rotating forward, reversion, crawl, multi-speed section and fault recovery.
6. a kind of frequency converter failure simulation system according to claim 1, it is characterised in that the analogy method of the system is：
By adjusting the input voltage of AC voltage regulator, the simulation input amount of adjustable voltage and modification frequency converter inner parameter, dial-up
Switch control frequency converter action, makes alternating current generator or frequency converter overvoltage, under-voltage, overcurrent, overheat, overload, gambling turn occur
And input such as is transfinited at the malfunction, audible-visual annunciator sends failure warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232866.0A CN106710391A (en) | 2016-12-28 | 2016-12-28 | Frequency converter fault simulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232866.0A CN106710391A (en) | 2016-12-28 | 2016-12-28 | Frequency converter fault simulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106710391A true CN106710391A (en) | 2017-05-24 |
Family
ID=58895586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611232866.0A Pending CN106710391A (en) | 2016-12-28 | 2016-12-28 | Frequency converter fault simulation system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106710391A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262360A (en) * | 2019-07-10 | 2019-09-20 | 天地科技股份有限公司上海分公司 | Frequency converter simulator and analogy method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201251873Y (en) * | 2008-09-12 | 2009-06-03 | 长春理工大学 | Electric, electronic and automatic comprehensive experimental device |
| CN201266443Y (en) * | 2008-10-20 | 2009-07-01 | 南京化工职业技术学院 | Device for training electric fault diagnosis |
| CN101614773A (en) * | 2008-06-27 | 2009-12-30 | 上海亿盟电气自动化技术有限公司 | Frequency converter and soft starter comprehensive experimental device |
| CN202434105U (en) * | 2011-12-27 | 2012-09-12 | 嘉兴市佳乐科仪有限公司 | Teaching experiment system having frequency-conversion speed-regulation simulation load |
| CN203300107U (en) * | 2013-05-22 | 2013-11-20 | 上海宝钢工业技术服务有限公司 | AC motor multi-control-mode training apparatus based on PLC and frequency conversion technologies |
| CN203990588U (en) * | 2014-05-29 | 2014-12-10 | 上海春芝堂生物制品有限公司 | For the stirring frequency-changing control system of concentration response still |
| CN205437125U (en) * | 2015-12-31 | 2016-08-10 | 辽宁北方科技集团有限公司 | Torpedo tank car controlling means |
-
2016
- 2016-12-28 CN CN201611232866.0A patent/CN106710391A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101614773A (en) * | 2008-06-27 | 2009-12-30 | 上海亿盟电气自动化技术有限公司 | Frequency converter and soft starter comprehensive experimental device |
| CN201251873Y (en) * | 2008-09-12 | 2009-06-03 | 长春理工大学 | Electric, electronic and automatic comprehensive experimental device |
| CN201266443Y (en) * | 2008-10-20 | 2009-07-01 | 南京化工职业技术学院 | Device for training electric fault diagnosis |
| CN202434105U (en) * | 2011-12-27 | 2012-09-12 | 嘉兴市佳乐科仪有限公司 | Teaching experiment system having frequency-conversion speed-regulation simulation load |
| CN203300107U (en) * | 2013-05-22 | 2013-11-20 | 上海宝钢工业技术服务有限公司 | AC motor multi-control-mode training apparatus based on PLC and frequency conversion technologies |
| CN203990588U (en) * | 2014-05-29 | 2014-12-10 | 上海春芝堂生物制品有限公司 | For the stirring frequency-changing control system of concentration response still |
| CN205437125U (en) * | 2015-12-31 | 2016-08-10 | 辽宁北方科技集团有限公司 | Torpedo tank car controlling means |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110262360A (en) * | 2019-07-10 | 2019-09-20 | 天地科技股份有限公司上海分公司 | Frequency converter simulator and analogy method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |