CN105607517A - Time-sharing control energy-saving instrument of frequency converter - Google Patents
Time-sharing control energy-saving instrument of frequency converter Download PDFInfo
- Publication number
- CN105607517A CN105607517A CN201610019040.XA CN201610019040A CN105607517A CN 105607517 A CN105607517 A CN 105607517A CN 201610019040 A CN201610019040 A CN 201610019040A CN 105607517 A CN105607517 A CN 105607517A
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- China
- Prior art keywords
- frequency converter
- power supply
- timesharing control
- over switch
- timesharing
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a time-sharing control energy-saving instrument of a frequency converter. The energy-saving instrument comprises a switching power supply, a program controller, a system change-over switch and a time-sharing control executive module group. The switching power supply is used for converting commercial power into a working power supply; an input terminal of the switching power supply is connected with the commercial power and an output terminal of the switching power supply is connected with a power supply terminal of the program controller and a power supply terminal of the time-sharing control executive module group. The program controller is used for realizing stepped frequency converter output frequency adjustment; and an output terminal of the program controller is connected with an input terminal of the time-sharing control executive module group and an output common terminal of the program controller is connected with the system change-over switch. The system change-over switch is used for controlling cutting over or exiting of the time-sharing system. According to the invention, the given intrinsic standoff ratio of the frequency converter is changed by installing external adjustable resistors; automatic smooth frequency changing of the frequency converter within a specific period is realized by invoking different adjustable resistors by programs; and thus objectives of heating saving and electricity saving are achieved.
Description
Technical field
The present invention relates to frequency converter timing speed regulating control technical field, relate in particular to a kind of frequency converter timesharing controlEnergy-saving meter.
Background technology
The outside of frequency converter is given, is generally an external potentiometer, by the dividing potential drop of potentiometer, frequency converterCan obtain the voltage of 0～10V as set-point, the three-phase alternating current of the corresponding output of frequency converter 0～50Hz frequencyPress to machine operation.
The adjusting of frequency converter is generally directly to regulate intrinsic standoff ratio by rotational potentiometer manually, reaches and changes frequentlyThe object of device set-point, this control method labour intensity is large, and the real-time of adjusting, synchronism are bad to be met,Some regulates by PLC or host computer, but program is adjusted complexity, and operation link is many, strongly professional,On-site maintenance personnel are difficult to operation, bad satisfying personalized adjusting requirement.
Summary of the invention
The technical problem existing based on background technology, the present invention proposes a kind of frequency converter timesharing control energy-saving meter.
A kind of frequency converter timesharing control energy-saving meter that the present invention proposes, comprise Switching Power Supply, cyclelog,Module is carried out in system change-over switch and timesharing control, and described Switching Power Supply is used for civil power to be converted to working power,And the input of Switching Power Supply access civil power, the output of described Switching Power Supply respectively with the electricity of cyclelogSource is connected with the power end that module is carried out in timesharing control, and described cyclelog is used for realizing stepped frequency conversionDevice output frequency regulates, and the input of the output of cyclelog and timesharing control execution module is connected,The output common port of described cyclelog is connected with system change-over switch, and described system change-over switch is for rightThe incision of time-sharing system and exit and control, and system change-over switch is connected with timesharing control Executive Module,Described timesharing control carry out module be used for moving and switching is set, setting is adjusted frequency and duty refers toShow, and timesharing control execution module is connected with the given potentiometer of frequency converter.
Preferably, described cyclelog includes logic controller and timer, described logic controller withTimer connects.
Preferably, described timesharing control is carried out module and is included four regulating loops, change-over switch and indicator lampsGroup, described regulating loop includes adjustable resistance and signal relay.
Preferably, the output of described timesharing control execution module passes through the given of two core holding wires and frequency converterPotentiometer connects.
In the present invention, this frequency converter timesharing control energy-saving meter regulates frequency converter by logic controller,Can realize successively decreasing successively of regulated quantity, while reducing to minimum, increase progressively successively again, ensure the continuity regulatingAnd smoothness, realize to greatest extent again economizing on energy and electricity, frequency converter timesharing control energy-saving meter only need arrange once orSeveral subparameters just can meet timesharing and regulate requirement, reach the target of unmanned fine-grained management, frequency converterTimesharing control energy-saving meter equipment exquisiteness, perfect in shape and function, reliability are high, and program is made to measure, operation and adjustingIntuitively, simply, be applicable to the equipment operating attendant of basic unit and use, frequency converter timesharing control energy-saving meter has adoptedThe normally-closed contact of signal relay carries out loop switch, while work four normally-closed contacts all in closure state,Circuit is straight-through, does not change the operational factor of frequency converter, in the time of system dead electricity or other reason generation fault, pointTime system do not participate in frequency adjustment, frequency converter is by the operation of former setpoint frequency, frequency converter timesharing control energy-saving meter is notCan increase whole equipment failure rate, its reliability, security performance access full-scope safeguards, and the present invention is by addingFill the given intrinsic standoff ratio that outside adjustable resistance changes frequency converter, realize specific through the different adjustable resistances of routine callPeriod automatic smoothing changes the frequency of frequency converter, reaches the object of joint thermal center electricity.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of frequency converter timesharing control energy-saving meter of proposing of the present invention;
Fig. 2 is the structural representation of the Switching Power Supply of a kind of frequency converter timesharing control energy-saving meter of proposing of the present invention;
Fig. 3 is the structural representation of the cyclelog of a kind of frequency converter timesharing control energy-saving meter of proposing of the present inventionFigure;
Fig. 4 is that the structure of the system change-over switch of a kind of frequency converter timesharing control energy-saving meter of proposing of the present invention is shownIntention;
Fig. 5 is the knot that module is carried out in the timesharing control of a kind of frequency converter timesharing control energy-saving meter of proposing of the present inventionStructure schematic diagram.
In figure: module is carried out in 1 Switching Power Supply, 2 cyclelogs, 3 system change-over switches, 4 timesharing controls.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is done to further explanation.
Embodiment
With reference to figure 1-5, the present embodiment has proposed a kind of frequency converter timesharing control energy-saving meter, comprise Switching Power Supply 1,Module 4 is carried out in cyclelog 2, system change-over switch 3 and timesharing control, and Switching Power Supply 1 is for by civil powerBe converted to working power, and the input of Switching Power Supply 1 access civil power, the output of Switching Power Supply 1 is respectivelyBe connected cyclelog 2 with the power end of cyclelog 2 and the power end of timesharing control execution module 4Be used for realizing stepped frequency converter output frequency and regulate, and the output of cyclelog 2 and timesharing control are heldThe input of row module 4 connects, and the output common port of cyclelog 2 is connected with system change-over switch 3,System change-over switch 3 is for the incision to time-sharing system and exit and control, and system change-over switch 3 withTimesharing control is carried out module 4 and is connected, and timesharing control is carried out module 4 for moving and arrange switching, establishingPut and adjust frequency and duty instruction, and timesharing control execution module 4 connects with the given potentiometer of frequency converterConnect, this frequency converter timesharing control energy-saving meter regulates frequency converter by logic controller, can realize tuneSuccessively decreasing successively of joint amount, increases progressively while reducing to minimum more successively, has ensured the continuity and the smoothness that regulate,Realize to greatest extent again economizing on energy and electricity, frequency converter timesharing control energy-saving meter just only need arrange once or several times parameterCan meet timesharing and regulate requirement, reach the target of unmanned fine-grained management, frequency converter timesharing control jointCan instrument equipment exquisiteness, perfect in shape and function, reliability high, program is made to measure, operation and adjust directly perceived, simple,Be applicable to the equipment operating attendant of basic unit and use, frequency converter timesharing control energy-saving meter has adopted signal relayNormally-closed contact carries out loop switch, and while work, four normally-closed contacts are all in closure state, and circuit is straight-through,Do not change the operational factor of frequency converter, in the time of system dead electricity or other reason generation fault, time-sharing system is not joinedWith frequency adjustment, frequency converter is by former setpoint frequency operation, and frequency converter timesharing control energy-saving meter can not increase wholeEquipment failure rate, its reliability, security performance access full-scope safeguards, and the present invention is outside adjustable by installing additionalResistance changes the given intrinsic standoff ratio of frequency converter, realizes specific time period automatically flat through the different adjustable resistances of routine callThe sliding frequency that changes frequency converter, reaches the object that saves thermal center electricity.
Cyclelog 2 includes logic controller and timer, and logic controller is connected with timer, pointTime control carry out module 4 include four regulating loops, change-over switch and indicator lamp group, regulating loop comprisesHave adjustable resistance and signal relay, timesharing control is carried out the output of module 4 by two core holding wire and changesFrequently the given potentiometer of device connects, and this frequency converter timesharing control energy-saving meter enters frequency converter by logic controllerRow regulates, and can realize successively decreasing successively of regulated quantity, while reducing to minimum, increases progressively successively again, has ensured adjustingContinuity and smoothness, realize to greatest extent again economizing on energy and electricity, frequency converter timesharing control energy-saving meter only need be establishedPut parameter once or several times and just can meet timesharing adjusting requirement, reach the target of unmanned fine-grained management,Frequency converter timesharing control energy-saving meter equipment exquisiteness, perfect in shape and function, reliability are high, and program is made to measure, operationAnd adjust intuitively, simply, be applicable to the equipment operating attendant of basic unit and use, frequency converter timesharing control energy-saving meterAdopted the normally-closed contact of signal relay to carry out loop switch, while work, four normally-closed contacts are all in closingClose state, circuit is straight-through, does not change the operational factor of frequency converter, produces event in system dead electricity or other reasonWhen barrier, time-sharing system does not participate in frequency adjustment, and frequency converter is by former setpoint frequency operation, frequency converter timesharing controlEnergy-saving meter can not increase whole equipment failure rate, and its reliability, security performance access full-scope safeguards, thisThe bright given intrinsic standoff ratio that changes frequency converter by installing outside adjustable resistance additional, through the different adjustable resistances of routine callRealize the frequency that specific time period automatic smoothing changes frequency converter, reach the object of joint thermal center electricity.
Operation principle: the input access AC220V power supply of Switching Power Supply 1, two outputs connect respectively programThe power end of module 4, four outputs of cyclelog 2 are carried out in the power end of controller 2 and timesharing controlEnd connects respectively four inputs of timesharing control execution module, and output common port connects by system change-over switch 3Enter timesharing control and carry out the input of module 4, timesharing control is carried out the output of module 4 by two core signalsLine is received the given potentiometer of frequency converter+10V end, the control journey of having programmed in advance to cyclelog 2 inputsOrder, the writing system time, after system power transmission, program brings into operation, and turn-offs time-sharing system change-over switch 3,The adjustable resistance in four loops is set by timesharing control execution module 4, pins respectively four loops and arrange/transportRow change-over switch, now corresponding indicator lamp is bright, is rotated counterclockwise adjustable resistance, observation frequency converter display windowFrequency instruction, the adjustable resistance that stops operating in the time that frequency reaches the numerical value of setting, determine unclamp after errorless setting/Operation change-over switch, indicator lamp goes out, and recirculating loop frequency setting has accused, and now frequency converter is still pressed original frequencyOperation, the time-sharing system of closing after having arranged change-over switch 3, now frequency converter timesharing control energy-saving meter is formally joinedRegulate with frequency convertor system, in the time that the timing node arranging arrives, controller sends operating instruction, and corresponding is defeatedGo out loop and connect certain input of timesharing control execution module 4, this loop obtains electric operation, and output is about toThe adjustable resistance setting in advance is connected to the given potentiometer of frequency converter+10V end, by changing intrinsic standoff ratio, realNow automatically adjust the object of frequency converter frequency, this arranges work does not need often to carry out, and entirety amendment operationFrequency still can complete with the given potentiometer of frequency converter, raises or reduces by four settings of time-sharing system no matter beThe capital in loop is adjusted in proportion automatically, and this is an outstanding advantage of frequency converter timesharing control energy-saving meter, the utmost pointThe earth reduces the line service amount of system.
The above, be only preferably detailed description of the invention of the present invention, but not office of protection scope of the present inventionBe limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in, according to thisThe technical scheme of invention and inventive concept thereof are equal to replaces or changes, and all should be encompassed in protection of the present inventionWithin scope.
Claims (4)
1. a frequency converter timesharing control energy-saving meter, comprises Switching Power Supply (1), cyclelog (2), isModule (4) is carried out in system change-over switch (3) and timesharing control, it is characterized in that described Switching Power Supply (1)For civil power is converted to working power, and the input of Switching Power Supply (1) access civil power, described switch electricityThe output in source (1) is carried out module (4) with the power end of cyclelog (2) and timesharing control respectivelyPower end connects, and described cyclelog (2) regulates for realizing stepped frequency converter output frequency, and journeyThe output of sequence controller (2) is connected with the input that module (4) is carried out in timesharing control, described program controlThe output common port of device processed (2) is connected with system change-over switch (3), and described system change-over switch (3) is usedIn the incision to time-sharing system with exit and control, and system change-over switch (3) is carried out mould with timesharing controlGroup (4) connects, and described timesharing control is carried out module (4) for moving and arrange switching, tune being setWhole frequency and duty instruction, and timesharing control execution module (4) is connected with the given potentiometer of frequency converter.
2. a kind of frequency converter timesharing control energy-saving meter according to claim 1, is characterized in that, described inCyclelog (2) includes logic controller and timer, and described logic controller is connected with timer.
3. a kind of frequency converter timesharing control energy-saving meter according to claim 1, is characterized in that, described inTimesharing control is carried out module (4) and is included four regulating loops, change-over switch and indicator lamp group, described adjustingLoop includes adjustable resistance and signal relay.
4. a kind of frequency converter timesharing control energy-saving meter according to claim 1, is characterized in that, described inThe output that module (4) is carried out in timesharing control is connected with the given potentiometer of frequency converter by two core holding wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019040.XA CN105607517A (en) | 2016-01-13 | 2016-01-13 | Time-sharing control energy-saving instrument of frequency converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019040.XA CN105607517A (en) | 2016-01-13 | 2016-01-13 | Time-sharing control energy-saving instrument of frequency converter |
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| CN105607517A true CN105607517A (en) | 2016-05-25 |
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| CN201610019040.XA Pending CN105607517A (en) | 2016-01-13 | 2016-01-13 | Time-sharing control energy-saving instrument of frequency converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108564773A (en) * | 2017-12-25 | 2018-09-21 | 王海霞 | A kind of false alarm prevention bluetooth anti-loss device and its alarm method of accurate positionin |
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| US5227965A (en) * | 1991-03-06 | 1993-07-13 | Magnetek Controls | Fast programmable limit switch |
| CN2715421Y (en) * | 2004-06-22 | 2005-08-03 | 大庆奉天电力器材厂 | Variable-frequency control system control cabinet |
| US20060108967A1 (en) * | 2004-11-25 | 2006-05-25 | Kawasaki Jukogyo Kabushiki Kaisha | Synchronous motor control method and synchronous motor control system |
| CN1812251A (en) * | 2005-01-26 | 2006-08-02 | 李邦庆 | Program-control frequency converting device |
| CN201178397Y (en) * | 2008-04-17 | 2009-01-07 | 重庆市同方科技发展有限公司 | General intelligent frequency conversion control energy saving apparatus |
| CN201774495U (en) * | 2010-05-18 | 2011-03-23 | 梅州市金雁铜业公司 | Variable-frequency speed controller capable of automatically regulating speed at fixed times |
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2016
- 2016-01-13 CN CN201610019040.XA patent/CN105607517A/en active Pending
Patent Citations (6)
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| US5227965A (en) * | 1991-03-06 | 1993-07-13 | Magnetek Controls | Fast programmable limit switch |
| CN2715421Y (en) * | 2004-06-22 | 2005-08-03 | 大庆奉天电力器材厂 | Variable-frequency control system control cabinet |
| US20060108967A1 (en) * | 2004-11-25 | 2006-05-25 | Kawasaki Jukogyo Kabushiki Kaisha | Synchronous motor control method and synchronous motor control system |
| CN1812251A (en) * | 2005-01-26 | 2006-08-02 | 李邦庆 | Program-control frequency converting device |
| CN201178397Y (en) * | 2008-04-17 | 2009-01-07 | 重庆市同方科技发展有限公司 | General intelligent frequency conversion control energy saving apparatus |
| CN201774495U (en) * | 2010-05-18 | 2011-03-23 | 梅州市金雁铜业公司 | Variable-frequency speed controller capable of automatically regulating speed at fixed times |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108564773A (en) * | 2017-12-25 | 2018-09-21 | 王海霞 | A kind of false alarm prevention bluetooth anti-loss device and its alarm method of accurate positionin |
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