CN201365195Y - Electric power conversion device - Google Patents
Electric power conversion device Download PDFInfo
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- CN201365195Y CN201365195Y CNU2009200031767U CN200920003176U CN201365195Y CN 201365195 Y CN201365195 Y CN 201365195Y CN U2009200031767 U CNU2009200031767 U CN U2009200031767U CN 200920003176 U CN200920003176 U CN 200920003176U CN 201365195 Y CN201365195 Y CN 201365195Y
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- electric power
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Abstract
The utility model relates to an electric power conversion device, which comprises at least one electric power source, an electric power converter, a frequency converter, a converter, an alternating current circuit and a control unit. The electric power converter converts electric power of the electric power source into direct current electric power input, the frequency converter and the converter convert frequency of output direct current electric power in the electric power converter into alternating current electric power output or convert the output direct current electric power into different direct current outputs, a selector switch is arranged on the alternating current circuit to control alternating current output transmission, one end of the alternating current circuit is connected with a mains supply while the other end is connected with output of the frequency converter, and the control unit controls the electric power converter via signals for power distribution when controlling electric power conversion, thereby guaranteeing electric power output. The electric power source outputs alternating electric power or direct current electric power by conversion of the frequency converter and the converter, and is controlled by the signals of the control unit, thereby guaranteeing timing programming and constant flow distribution of electric power output and enabling outputted electric power to be stable.
Description
Technical field
The utility model relates to a kind of power inverter, especially refer to a kind of Combination Design by at least one power source, an electric power converter, a frequency converter, a transducer, an alternating current transmission line and a control unit, this control unit may command is selected the order of output power, the alternating electromotive force output power ratio of distributing civil power and frequency converter, and planned, and be suitable for various power conversions or similar structures user by the signal of program controller.
Background technology
General existing civil power is alternating electromotive force (AC); but use the change of idea with person's energy; various alternative energy source schemes are suggested; generate electricity such as fuel oil; wind power generation; solar power generation; fuel cell ... wait generator to emerge in an endless stream; all can be used to use when power source; therefore generally only be used as the mode of importing power supply with the civil power alternating electromotive force; obviously can't satisfy following market demand; yet the various alternating electromotive force in the market or the generator of direct current power; the restriction that all has it to use; rain or shine influence as weather; or wind direction is indefinite ... or the like; the input electric power that generator produces is restriction to some extent still; usually the storage battery that also needs in the use to arrange in pairs or groups earlier prestores electric power earlier after a certain degree, could use, yet the user also need be switched various power source voluntarily.
Again; the input of general electric equipment is to adopt alternating electromotive force; producing unsettled direct current power for various generator uses and also need change or prestore earlier; can't effectively manage various power sources; and the electric load in Chang Yinwei use overload and produce that electric wire cocks off or electric equipment is jumped machine ... wait crisis, in fact its disappearance is arranged, in view of this; the design people's phase can provide a kind of power inverter, and consumption is popular to be used to provide.
Summary of the invention
Main purpose of the present utility model is to overcome the deficiencies in the prior art and defective, a kind of power inverter is proposed, by at least one power source, one electric power converter, one frequency converter, one transducer, the Combination Design of one alternating current transmission line and a control unit, this electric power converter becomes the direct current power input with the power conversions of at least one power source, and this frequency converter and transducer become alternating electromotive force output with the output DC power frequency conversion in the electric power converter or convert different direct current output to, this alternating current transmission line is provided with the output transmission that a switching switch is controlled alternating current in addition, can further control the order of selecting output power by control unit, the alternating electromotive force output power ratio of distributing civil power and frequency converter, and by the input of all electric power of program controller control planning, make the utlity model has and the alternating electromotive force output power of civil power and frequency converter regularly can be planned and distributed constant current, stable to get output power, and increase whole practicality and convenience.
Of the present utility model time a purpose is; a kind of power inverter is proposed; by at least one power source; one electric power converter; one frequency converter; one transducer; the Combination Design of one alternating current transmission line and a control unit; this electric power converter becomes the direct current power input with the power conversions of at least one power source; and this frequency converter and transducer become alternating electromotive force output with the output DC power frequency conversion in the electric power converter or convert different direct current output to; this alternating current transmission line is provided with the output transmission that a switching switch is controlled alternating current in addition; power distribution when controlling power conversions by control unit; can not overload to reach electric power output balance; make and the utlity model has self-protection; can allow the user feel at ease to use, and increase whole practicality.
For reaching above-mentioned purpose, the utility model provides a kind of power inverter, comprising: at least one power source; One electric power converter, this electric power converter is connected with at least one power source, and is provided with AC/DC converter and DC-DC converter in this electric power converter, becomes the direct current power input for the power conversions with at least one power source; One frequency converter, this frequency converter one end connects electric power converter, for the output DC power frequency conversion in the electric power converter being become alternating electromotive force output; One transducer, this transducer connects electric power converter, for the output DC power in the electric power converter being converted to different direct current output; One alternating current transmission line, this alternating current transmission line are provided with one and switch the output transmission that switch is controlled alternating current, and alternating current transmission line one end connects a civil power, and the other end connects the output of frequency converter; And a control unit, this control unit is connected with the diverter switch and the frequency converter of alternating current transmission line, and this control unit is connected with transducer, and control unit is controlled electric power converter with signal, power distribution during for the control power conversions is to guarantee electric power output.
The utlity model has following useful technique effect:
1, the utility model is by at least one power source, one electric power converter, one frequency converter, one transducer, the Combination Design of one alternating current transmission line and a control unit, this electric power converter becomes the direct current power input with the power conversions of at least one power source, and this frequency converter and transducer become alternating electromotive force output with the output DC power frequency conversion in the electric power converter or convert different direct current output to, this alternating current transmission line is provided with the output transmission that a switching switch is controlled alternating current in addition, can further control the order of selecting output power by control unit, the alternating electromotive force output power ratio of distributing civil power and frequency converter, and by the input of all electric power of program controller control planning, make the utlity model has and the alternating electromotive force output power of civil power and frequency converter regularly can be planned and distributed constant current, stable to get output power, and increase whole practicality and convenience.
2; the utility model is by at least one power source; one electric power converter; one frequency converter; one transducer; the Combination Design of one alternating current transmission line and a control unit; this electric power converter becomes the direct current power input with the power conversions of at least one power source; and this frequency converter and transducer become alternating electromotive force output with the output DC power frequency conversion in the electric power converter or convert different direct current output to; this alternating current transmission line is provided with the output transmission that a switching switch is controlled alternating current in addition; power distribution when controlling power conversions by control unit; can not overload to reach electric power output balance; make and the utlity model has self-protection; can allow the user feel at ease to use, and increase whole practicality.
Other characteristics of the present utility model and specific embodiment can further be understood in the detailed description of following conjunction with figs..
Description of drawings
Fig. 1 is a configuration diagram of the present utility model;
Fig. 2 is an enforcement configuration diagram of the present utility model.
Symbol description among the figure
10 power sources
101 generator for cycles, 102 fuel electric generators
103 cell power generators, 104 geothermal power generation machines
105 electric generator using fuel batteries, 106 wind-driven generators
107 solar generators
20 electric power converters
21 AC/DC converters, 22 DC-DC converters
30 frequency converters
40 transducers
50 alternating current transmission lines
51 civil powers, 52 diverter switches
60 control units
62 selectors, 63 distributors
64 program controllers, 65 maximum power tracing chargers
Embodiment
Please join Fig. 1~2, the utility model provides a kind of power inverter, and this power inverter comprises:
At least one power source 10.
One electric power converter 20, this electric power converter 20 is connected with at least one power source 10, and is provided with AC/DC converter 21 and DC-DC converter 22 in this electric power converter 20, becomes the direct current power input for the power conversions with at least one power source 10.
One frequency converter 30, these frequency converter 30 1 ends connect electric power converter 20, for the output DC power frequency conversion in the electric power converter 20 being become alternating electromotive force output.
One transducer 40, this transducer 40 connects electric power converter 20, for the output DC power in the electric power converter 20 being converted to different direct current output.
One alternating current transmission line 50, this alternating current transmission line 50 are provided with one and switch the output transmission that switch 52 is controlled alternating current, and alternating current transmission line 50 1 ends connect a civil power 51, and the other end connects the output of frequency converter 30.
One control unit 60, this control unit 60 is connected with the diverter switch 52 and the frequency converter 30 of alternating current transmission line 50, and this control unit 60 is connected with transducer 40, and control unit 60 is with signal control electric power converter 20, power distribution during for the control power conversions is to guarantee electric power output.
In present embodiment, those power sources 10 are generator for cycles 101, fuel electric generator 102, cell power generator 103, geothermal power generation machine 104, electric generator using fuel battery 105, wind-driven generator 106, solar generator 107, and electric power converter 20 is connected with those power sources 10 (when reality is used, only need at least one power source 10 to get final product), and be provided with the AC/DC converter 21 and the DC-DC converter 22 of corresponding at least one power source 10 in this electric power converter 20, can convert the direct current power input at variant power source 10, as produce the generator for cycles 101 of direct current power input or alternating electromotive force input, fuel electric generator 102, electric generator using fuel battery 105 or wind-driven generator 106... etc., by AC/DC converter 21 corresponding in the electric power converter 20 alternating electromotive force is converted to the direct current power input or converts the direct current power input to DC-DC converter 22 corresponding direct current powers, and cell power generator 103, DC-DC converter 22 in the then corresponding electric power converter 20 of other direct current generators such as solar generator 107... converts the direct current power input to.This frequency converter 30 becomes alternating electromotive force output with the output DC power frequency conversion in the electric power converter 20, and this transducer 40 converts the output DC power in the electric power converter 20 to different direct current output in addition.
Yet, one alternating current transmission line 50 is arranged, this alternating current transmission line 50 is provided with one and switches the output transmission that switch 52 is controlled alternating current, wherein the diverter switch 52 of this alternating current transmission line 50 is a three-pointswitch, wherein this three-pointswitch is controlled the output power of alternating current transmission line 50 1 end civil powers 51 and the output of alternating electromotive force that alternating current transmission line 50 is held frequency converter 30 in addition respectively, and include selector 62 in this control unit 60, distributor 63, program controller 64 and maximum power tracing charger 65 (MPPT charger), this selector 62 can be controlled the order of selecting output power for control unit 60, and the alternating electromotive force output power ratio that distributor 63 distributes civil power 51 and frequency converter 30, this program controller 64 is with the input of the electric power of all electric power converters 20 of program control planning in addition, and the state of power supply in the traceable electric power converter 20 of maximum power tracing charger 65 (MPPT charger), this control unit 60 is with signal control electric power converter 20 in addition, power distribution during for the control power conversions is to guarantee electric power output.
In addition, these frequency converter 30 1 ends connect electric power converter 20, this frequency converter 30 can become alternating electromotive force with the output DC power frequency conversion in the electric power converter 20, these frequency converter 30 output AC electric power are connected with alternating current transmission line 50, with the output of supply alternating electromotive force, and transducer 40 also is connected with electric power converter 20, for the direct current output that the output DC power in the electric power converter 20 is converted to different voltages, as when the user need use direct current power, this transducer 40 can convert the output DC power in the electric power converter 20 to the direct current power output of the required different voltages of user, again when the user need use alternating electromotive force, the diverter switch 52 of these control unit 60 control alternating current transmission lines 50 is switched and output AC electric power, and during by control unit 60 control power conversions with power distribution, when the alternating electromotive force of frequency converter 30 output is not enough, this control unit 60 is supplied its alternating current output voltage with diverter switch 52 controls of control alternating current transmission line 50 with civil power 51, to guarantee electric power output, and contain distributor 63 in this control unit 60, to distribute the ratio of output power, this distributor 63 can be according to the ratio of user's control of conversion device 30 and civil power 51 different outputs, output accounts for output AC electric power 60% and the civil power 51 of arranging in pairs or groups is exported 40% alternating electromotive force simultaneously as frequency converter 30, to reach the output of 100% alternating electromotive force, program controller 64 in this control unit 60 again, input allotment ratio with each power source 10 in the program control planning electric power converter 20, such as daytime when sunny, solar generator 107 input electric power are comparatively abundant, and the strong situation of wind-force, then be input as the master with wind-driven generator 106, this program controller 64 also can be according to the obstructed demand allotment of user control electric power converter 20 input electric power, and the maximum power tracing charger 65 of control unit 60 (MPPT charger), and can follow the trail of the preferable power source 10 of power supply state in the electric power converter 20 simultaneously.
See also shown in Fig. 1~2, the characteristics of the utility model power inverter are by at least one power source 10, one electric power converter 20, one frequency converter 30, one transducer 40, the Combination Design of one alternating current transmission line 50 and a control unit 60, be provided with AC/DC converter 21 and DC-DC converter 22 in this electric power converter 20, become the direct current power input for power conversions with at least one power source 10, and this frequency converter 30 and transducer 40 connect electric power converter 20, for the output DC power frequency conversion in the electric power converter 20 being become alternating electromotive force output or converting different direct current output to, this alternating current transmission line 50 is provided with the output transmission that a switching switch 52 is controlled alternating current in addition, and alternating current transmission line 50 1 ends connect a civil power 51, the other end connects the output of frequency converter 30, include selector 62 in this control unit 60 again, distributor 63, program controller 64 and maximum power tracing charger 65 (MPPT charger), these control unit 60 may command are selected the order of output power, the alternating electromotive force output power ratio of distributing civil power 51 and frequency converter 30, and by the input of all electric power converter 20 electric power of program controller 64 control planning, the preferable power source 10 of power supply state in the traceable electric power converter 20 of this maximum power tracing charger 65 (MPPT charger), this control unit 60 is with signal control electric power converter 20 in addition, to guarantee electric power output, make the utlity model has and the alternating electromotive force output power of civil power 51 and frequency converter 30 regularly can be planned and distributed constant current, stable to get output power, can allow the user feel at ease to use, and increase whole practicality and convenience.
The above only is preferred embodiment of the present utility model, and when can not be in order to limit the enforceable scope of the utility model, all those skilled in the art obviously can do to change and modification, all should be considered as not departing from flesh and blood of the present utility model.
Claims (7)
1. a power inverter is characterized in that, this power inverter comprises:
At least one power source;
One electric power converter, this electric power converter is connected with at least one power source, and is provided with AC/DC converter and DC-DC converter in this electric power converter, becomes the direct current power input for the power conversions with at least one power source;
One frequency converter, this frequency converter one end connects electric power converter, for the output DC power frequency conversion in the electric power converter being become alternating electromotive force output;
One transducer, this transducer connects electric power converter, for the output DC power in the electric power converter being converted to different direct current output;
One alternating current transmission line, this alternating current transmission line are provided with one and switch the output transmission that switch is controlled alternating current, and alternating current transmission line one end connects a civil power, and the other end connects the output of frequency converter; And
One control unit, this control unit is connected with the diverter switch and the frequency converter of alternating current transmission line, and this control unit is connected with transducer, and control unit is controlled electric power converter with signal, power distribution during for the control power conversions is to guarantee electric power output.
2. power inverter as claimed in claim 1 is characterized in that, this power source adopts any one of generator for cycles, fuel electric generator, cell power generator, geothermal power generation machine, electric generator using fuel battery, wind-driven generator, solar generator.
3. power inverter as claimed in claim 1 is characterized in that, the diverter switch of this alternating current transmission line is a three-pointswitch.
4. power inverter as claimed in claim 1 is characterized in that, contains selector in this control unit, can control the order of selecting output power for control unit.
5. power inverter as claimed in claim 1 is characterized in that, contains distributor in this control unit, to distribute the ratio of output power.
6. power inverter as claimed in claim 1 is characterized in that, contains program controller in this control unit, with the input of program control electric power.
7. power inverter as claimed in claim 1 is characterized in that, the maximum power tracing charger that contains in this control unit is for following the trail of the state of powering in the electric power converter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200031767U CN201365195Y (en) | 2009-01-20 | 2009-01-20 | Electric power conversion device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2009200031767U CN201365195Y (en) | 2009-01-20 | 2009-01-20 | Electric power conversion device |
Publications (1)
Publication Number | Publication Date |
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CN201365195Y true CN201365195Y (en) | 2009-12-16 |
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ID=41475864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2009200031767U Expired - Fee Related CN201365195Y (en) | 2009-01-20 | 2009-01-20 | Electric power conversion device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102714426A (en) * | 2009-12-21 | 2012-10-03 | 松下电器产业株式会社 | Electricity feeding device and electricity feeding system using the same |
-
2009
- 2009-01-20 CN CNU2009200031767U patent/CN201365195Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102714426A (en) * | 2009-12-21 | 2012-10-03 | 松下电器产业株式会社 | Electricity feeding device and electricity feeding system using the same |
CN102714426B (en) * | 2009-12-21 | 2014-12-03 | 松下电器产业株式会社 | Electricity feeding device and electricity feeding system using the same |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20150120 |
|
EXPY | Termination of patent right or utility model |