CN1819427A - Efficient power and speed adjusting method and adjuster for AC electrical appliances - Google Patents
Efficient power and speed adjusting method and adjuster for AC electrical appliances Download PDFInfo
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- CN1819427A CN1819427A CN 200610054078 CN200610054078A CN1819427A CN 1819427 A CN1819427 A CN 1819427A CN 200610054078 CN200610054078 CN 200610054078 CN 200610054078 A CN200610054078 A CN 200610054078A CN 1819427 A CN1819427 A CN 1819427A
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Abstract
The invention connects a capacitor to a power utilization circuit of AC electric appliance in series to adjust power or speed of AC electric appliance. It consists of a casing and one tunable capacitor set or three tunable capacitor sets. On the casing there are one set of or three sets of terminal posts. Each set of terminal post includes two contact posts respectively connected to the two electrodes of capacitor in the casing. The invention can implement non double-current starting and non over-current running, and can also effectively reduce the heat, vibration and noise of AC electric appliance.
Description
Technical field
The present invention relates to the method for a kind of AC electric appliance economize on electricity, Power Regulation or speed governing; The invention still further relates to a kind of device that is used for AC electric appliance economize on electricity, Power Regulation or speed governing.
Technical background
Existing AC electric appliance about 70% is carried for sense, and sense is carried in the AC electric appliance 90% and is motor load, the load of many " low load with strong power " is also arranged, the use that sense is carried makes has a large amount of reactive powers in the circuit, starting is stream doubly, greatly, a large amount of reactive currents is come and gone in Circuits System, cause the extreme of sending out electric power system usefulness low.
Be saves energy, reduce idle, electric power system is generally concentrated shunt compensation in transformer station or control room Power Capacitors to power supply circuits, but it is difficult to control, easily caused and mend or owe to mend, the terminal electrical appliance there is no the effect of economize on electricity, carries out shunt compensation though also have in terminal, can only solve the idle defeated less problem of part.
The method that is used for AC electric appliance Power Regulation speed governing at present has vector method and frequency modulation method, though can save certain electric energy,, consume meritorious energy because itself just needs many quadergies, the idle of AC electric appliance itself do not reduced, and the also increase on the contrary that meritorious loss has.
Power Regulation speed governing for AC electric appliance, the vector method is by reactor or itself and the incompatible rising of electric component group or reduces the supply power voltage of AC electric appliance, thereby realizes the speed governing of AC electric appliance, and reactor self will carry out energy consumption, and cost is higher, and purposes is wideless; The frequency modulation rule is to realize the speed governing of AC electric appliance by the frequency of regulating circuit, the idle no change of AC electric appliance, self has power consumption frequency modulator, to sending out electric power system higher-order wave harm is arranged, reduced the energy and the quality of power supply to a certain extent, and frequency modulator and AC electric appliance all there is the danger of overcurrent-overvoltage.
Vector method and frequency modulation method all can not be carried out Power Regulation to resistive AC electric appliance.
Summary of the invention
The economize on electricity Power Regulation speed regulating method that the purpose of this invention is to provide a kind of AC electric appliance reducing the power consumption of AC electric appliance, and can make things convenient for and effectively AC electric appliance carried out Power Regulation or speed governing.
Another object of the present invention provides a kind of economize on electricity Power Regulation speed regulating device of AC electric appliance; in the power circuit with its incoming transport electrical appliance; reducing the power consumption of AC electric appliance, the protection AC electric appliance, and can make things convenient for and effectively AC electric appliance is carried out Power Regulation or speed governing.
The economize on electricity Power Regulation speed regulating method of AC electric appliance of the present invention, be with capacitors in series in the power circuit of AC electric appliance, by the capacitance that changes capacitor AC electric appliance is carried out Power Regulation or speed governing.
Described capacitor is formed in parallel by at least two capacitors, is provided with the capacitors in series of break-make device and this branch road in each parallel branch.
The rated voltage of described capacitor is 1.5～1.8 times of AC electric appliance rated voltage.
The economize on electricity Power Regulation speed regulating device of AC electric appliance of the present invention, form by box body and interior adjustable condenser amount thereof one group or three group capacitors, box body is provided with one group or three winding line ends, each winding line end comprises two terminals, and the two poles of the earth of the capacitor in corresponding with it the respectively box body of two terminals of each winding line end are electrically connected.
Each group capacitor is formed in parallel by two capacitors at least, is provided with the capacitors in series of break-make device and this branch road in each parallel branch, and the break-make device is installed on the described box body.
The present invention with capacitors in series in the power circuit of AC electric appliance; by changing capacitor volume; can make things convenient for and effectively AC electric appliance is carried out Power Regulation or speed governing; and can make AC electric appliance (particularly motor, induction furnace etc.) realize not having doubly stream starting; no overcurrent operation; effectively reduce idle, heating, the vibration of AC electric appliance and the noise that produces; can play good current-limiting protection effect to whole power circuit; guarantee the safety of AC electric appliance, prolonged the useful life of AC electric appliance.
Use the present invention economize on electricity Power Regulation speed regulating method or device, it is about 30% to economize on electricity for perceptual AC electric appliance, and it is about 3～7% to economize on electricity for resistive AC electric appliance, prolongs about 3 times of AC electric appliance useful lifes.
Following data can further specify adopt the present invention to economize on electricity beneficial effect that Power Regulation speed regulating method or device produced:
1, model is the motor of J02-51-4, and rated power is 7.5KW, rated voltage 380V, and rated current 14.9A, starting is doubly flowed 7 times, and access capacity is the capacitor of 100 μ f, and this motor can be in 0～10A electric current safe starting and operation.
2, has the ventilating fan that model is the J02-51-4 motor, rated power is 1.1KW, rated voltage 380V, rated current 2.67A, starting is doubly flowed 7 times, former machine does not have speed governing, adopting technical solution of the present invention to make three-step timing, is that the capacitors in series of two parallel connections of 5 μ f and 10 μ f is carried out speed governing in the power circuit of this ventilating fan with capacity, and a speed is in 0～1.8A electric current safe starting and operation, two-speed is in 0～1.2A electric current safe starting and operation, and three speed are in 0～0.6A electric current safe starting and operation.
3, desk fan (400mm, rated voltage 220V, specified 60W), former machine three speed, fast starting operation electric current a 1.5～0.42A wherein, two-speed starting operation electric current 0.38A, three fast starting operation electric current 0.32A, adopt technical solution of the present invention to make three-step timing, with capacity is that the capacitors in series of two parallel connections of 2.5 μ f and 4 μ f is carried out speed governing in the power circuit of this desk fan, one speed can also be moved by safe starting in 0～0.29A current range, and the electric current of two-speed safe starting and operation is 0～0.21A, and three fast safe startings and the electric current that moves are 0～0.12A.
4, rated voltage is 220V, and the fluorescent lamp of rated power 20W, running current are 0.35A, adopts connect in its power circuit capacitor of one 2 μ f of technical solution of the present invention, and its running current is 0～0.14A.
Description of drawings
Now in conjunction with the accompanying drawings the present invention is described in further detail.
Fig. 1, Fig. 2 are the circuit theory diagrams of AC electric appliance economize on electricity Power Regulation speed regulating method of the present invention;
Fig. 3 is the profile schematic diagram of AC electric appliance economize on electricity Power Regulation speed regulating device of the present invention;
Fig. 4 is the internal circuit configuration figure of AC electric appliance economize on electricity Power Regulation speed regulating device shown in Figure 3;
Fig. 5 is the another kind of profile schematic diagram of AC electric appliance economize on electricity Power Regulation speed regulating device of the present invention;
Fig. 6 is the internal circuit configuration figure of AC electric appliance economize on electricity Power Regulation speed regulating device shown in Figure 5.
Embodiment
Execution mode one: as shown in Figure 1, the power circuit of AC electric appliance D is a quarter-phase circuit, after two capacitor C1, C2 parallel connection, be series in the power circuit of AC electric appliance D, the rated voltage of capacitor C1, C2 is 1.5 times of AC electric appliance rated voltage.In the parallel branch at capacitor C1 place, be in series with break-make device K1, in the parallel branch at capacitor C2 place, be in series with break-make device K2, break-make by control break-make device K1, K2, change the capacitance of capacitor in the AC electric appliance D power circuit, thereby realize Power Regulation or speed governing, and reduced power consumption AC electric appliance.
Execution mode two: as shown in Figure 2, the power circuit of AC electric appliance D is a three-phase circuit, with capacitor C11 and C12, C21 and C22, C31 and C32 in parallel respectively after, be series in the power circuit of AC electric appliance D, wherein the capacitance of capacitor C11, C21 and C31 is identical, the capacitance of capacitor C12, C22 and C32 is identical, and the rated voltage of all capacitors is 1.8 times of the AC electric appliance rated voltage.In the parallel branch at capacitor C11, C21 and C31 place, be in series with break-make device K1; In the parallel branch at capacitor C12, C22 and C32 place, be in series with break-make device K2, break-make device K1, K2 are triple-pole switch, break-make by control break-make device K1, K2, change the capacitance of capacitor in the AC electric appliance D power circuit, thereby realize Power Regulation or speed governing, and reduced power consumption AC electric appliance.
Execution mode three: as shown in Figure 3, the economize on electricity Power Regulation speed regulating device of this AC electric appliance are made up of capacitor C1, the C2 of box body and interior one group of parallel connection thereof, box body is provided with a winding line end, it comprises two terminals A1, A2, two terminals A1, A2 are electrically connected with the two ends in parallel of capacitor C1, C2 of two parallel connections in the box body respectively, and in the parallel branch at capacitor C1 place, be in series with break-make device K1, in the parallel branch at capacitor C2 place, be in series with break-make device K2, break-make device K1, K2 are installed on the box body, and the circuit structure in the box body as shown in Figure 4.
Execution mode four: as shown in Figure 5, the economize on electricity Power Regulation speed regulating device of this AC electric appliance are by the capacitor C11 and the C12 of box body and interior three groups of parallel connections thereof, C21 and C22, C31 and C32 form, box body is provided with three winding line ends, each winding line end includes two terminals A1 and A2, B1 and B2, D1 and D2, A1 wherein, A2 is electrically connected with the two ends in parallel of C12 with capacitor C11, B1, B2 is electrically connected with the two ends in parallel of C22 with capacitor C21, D1, D2 is electrically connected with the two ends in parallel of C32 with capacitor C31, and at capacitor C11, C21, be in series with break-make device K1 in the parallel branch at C31 place, at capacitor C12, C22, be in series with break-make device K2 in the parallel branch at C32 place, break-make device K1, K2 is installed on the box body, and the circuit structure in the box body as shown in Figure 4.
Claims (5)
1, the economize on electricity Power Regulation speed regulating method of AC electric appliance is characterized in that: capacitors in series in the power circuit of AC electric appliance, is carried out Power Regulation or speed governing by the capacitance that changes capacitor to AC electric appliance.
2, according to the economize on electricity Power Regulation speed regulating method of the described AC electric appliance of claim 1, it is characterized in that: described capacitor is formed in parallel by at least two capacitors, is provided with the capacitors in series of break-make device and this branch road in each parallel branch.
3, according to the economize on electricity Power Regulation speed regulating method of the described AC electric appliance of claim 1, it is characterized in that: the rated voltage of described capacitor is 1.5～1.8 times of AC electric appliance rated voltage.
4, the economize on electricity Power Regulation speed regulating device of AC electric appliance, it is characterized in that: form by box body and interior adjustable condenser amount thereof one group or three group capacitors, box body is provided with one group or three winding line ends, each winding line end comprises two terminals, and the two poles of the earth of the capacitor in corresponding with it the respectively box body of two terminals of each winding line end are electrically connected.
5, the economize on electricity Power Regulation speed regulating device of AC electric appliance according to claim 4, it is characterized in that: each group capacitor is formed in parallel by two capacitors at least, in each parallel branch, be provided with the capacitors in series of break-make device and this branch road, and the break-make device is installed on the described box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610054078 CN1819427A (en) | 2006-02-14 | 2006-02-14 | Efficient power and speed adjusting method and adjuster for AC electrical appliances |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610054078 CN1819427A (en) | 2006-02-14 | 2006-02-14 | Efficient power and speed adjusting method and adjuster for AC electrical appliances |
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| Publication Number | Publication Date |
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| CN1819427A true CN1819427A (en) | 2006-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200610054078 Pending CN1819427A (en) | 2006-02-14 | 2006-02-14 | Efficient power and speed adjusting method and adjuster for AC electrical appliances |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2473089A (en) * | 2009-07-01 | 2011-03-02 | Paul Lenworth Mantock | A capacitive impedance decoupling AC power controller |
| CN106499653A (en) * | 2016-10-26 | 2017-03-15 | 覃良 | A kind of electric fan speed-regulating switch |
-
2006
- 2006-02-14 CN CN 200610054078 patent/CN1819427A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2473089A (en) * | 2009-07-01 | 2011-03-02 | Paul Lenworth Mantock | A capacitive impedance decoupling AC power controller |
| CN106499653A (en) * | 2016-10-26 | 2017-03-15 | 覃良 | A kind of electric fan speed-regulating switch |
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Open date: 20060816 |