CN104539171A - Simple one-phase frequency conversion switching circuit - Google Patents
Simple one-phase frequency conversion switching circuit Download PDFInfo
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- CN104539171A CN104539171A CN201410849336.5A CN201410849336A CN104539171A CN 104539171 A CN104539171 A CN 104539171A CN 201410849336 A CN201410849336 A CN 201410849336A CN 104539171 A CN104539171 A CN 104539171A
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Abstract
The invention discloses a simple one-phase frequency conversion switching circuit. The simple one-phase frequency conversion switching circuit comprises a master control module, a soft starting control module electrically connected with the master control module, a protection circuit module used for detecting the voltage and the current of a master circuit and an isolation power driving module, wherein a soft starting module is connected to the soft starting control module, an inverter circuit module is connected to the isolation power driving module and connected with the protection circuit module and the soft starting module, the soft starting module is further connected with a rectifying circuit, and the rectifying circuit is connected with an alternate current input module. The simple one-phase frequency conversion switching circuit is used for a three-phase 220-V small-power asynchronous motor, the energy-saving aim can be achieved, and meanwhile the work efficiency can be improved.
Description
Technical field:
Blow-up circulation three-phase alternating current technical field of the present invention, refers in particular to simple and easy single-phase frequency conversion commutation circuit.
Background technology:
The single AC electromotive force had in alternating electromotive force circuit, generally has two joints during supplying power for outside.China's domestic power supply is three-phase five-wire mode before entering user, three-phase is fully used in daily life by three-phase to widely use single phase power supply mode, and the present invention is a kind of a kind of circuit single phase alternating current (A.C.) (220V) being converted to three-phase alternating current (220V).Main circuit is the power converting part providing constant frequency power of isopiestic pressure to asynchronous motor, is be the three-phase electricity exchanged by the DC converting of voltage source substantially.Be AC power direct current power being transformed to required frequency, just can obtain 3 cross streams with 6 switch device conductive of chien shih time determined, shutoff and export.
Summary of the invention:
The object of the invention is to overcome the deficiencies in the prior art, a kind of simple and easy single-phase frequency conversion commutation circuit is provided.
In order to solve the problems of the technologies described above, present invention employs following technical proposals: simple and easy single-phase frequency conversion commutation circuit, comprise: a main control module, the soft start control module be electrically connected with main control module, for detecting protective circuit module and the isolated power driver module of the voltage and current of main circuit, wherein, soft start control module connects a soft-start module, isolated power driver module connects an inverter circuit module, this inverter circuit module is connected with protective circuit module and soft-start module, soft-start module is also connected with a rectification circuit, rectification circuit and one exchanges input module and is connected.
Furthermore, in technique scheme, described main control module comprises: the first control chip, the second control chip and power isolation circuit.
Furthermore, in technique scheme, the first described control chip has 28 pins, wherein, and ground connection after the 3rd pin serial connection one resistance R8; A crystal oscillator Y1, crystal oscillator Y1 two ends of connecting between the 6th pin and the 7th pin connect electric capacity C8, C10, ground connection after two electric capacity C8, C10 parallel connections respectively; 13rd pin is connected with the second optical coupler U4 of power isolation circuit with the 14th pin, and the 12nd pin is connected with the first optical coupler U5 of power isolation circuit, is connected after the 11st pin serial connection one or four foot control SW1 with the first optical coupler U5; The negative pole contact resistance R1 of first its light-emitting diode of optical coupler U5, positive pole contact resistance R2, be connected to first interface P1 and electric capacity C1 after resistance R1, R2 parallel connection; The negative pole contact resistance R3 of second its light-emitting diode of optical coupler U4, positive pole contact resistance R4, be connected to first interface P1 and electric capacity C2 after resistance R3, R4 parallel connection, be connected to first interface P1 after electric capacity C1, C2 parallel connection; Its positive pole of light-emitting diode of first optical coupler U5 is also connected with resistance R4; Four, the 5th pin is connected to the second interface P2 respectively.
Furthermore, in technique scheme, the second described control chip has 14 pins, wherein, the 1st pin, the 3rd pin are connected with power supply with after the 7th pin serial connection one electric capacity C18, are connected after the 13rd pin serial connection one resistance R33 with power supply, to connect between the 5th pin and the 8th pin a diode, 11st pin connects optocoupler and device U8, and the 12nd pin is connected with optical coupler U7 by a resistance R18, and optical coupler U7, U8 are connected to the second interface P2 respectively; Be connected with optical coupler U8 after 5th pin serial connection one resistance R11 of the first control chip, be connected with optical coupler U7 after 4th pin serial connection one resistance R14 of the first control chip, be connected with optical coupler U7 after the 28th pin serial connection one resistance R15 of the first control chip; Optical coupler U7 is also connected with a voltage stabilizing circuit.
Furthermore, in technique scheme, the second described control chip is also connected with a telecommunication circuit, and this telecommunication circuit comprises a communication chip, communication chip has eight pins, and the 6th pin of the second control chip is connected with the 2nd, the 3rd pin of communication chip; Be connected with the 1st pin of communication chip after 2nd pin serial connection one resistance R34 of the second control chip, resistance R34 is in parallel with resistance R33; Be connected with the 4th pin of communication chip after 8th pin serial connection one resistance R26 of the second control chip; Resistance R26 connects with resistance R35, electric capacity C23, resistance R39, and one end of resistance R39 is connected with electric capacity C23, and the other end is in series with two piezo-resistance RV1, RV2, and piezo-resistance RV1, RV2 are in parallel; The negative pole end of piezo-resistance RV1 connects a resistance R27, and resistance R27 connects the 6th pin of communication chip; The negative pole end contact resistance R28 of piezo-resistance RV2, resistance R28 connect the 7th pin of communication chip; Be parallel with diode DS1, DS2 and electric capacity C15 between the 6th, the 7th, the 8th pin of communication chip, the 5th pin of communication chip is also connected with electric capacity C15; The negative pole end of piezo-resistance RV1, RV2 is connected with the 4th interface P4, and resistance R39 is connected with the 4th interface P4.
Furthermore, in technique scheme, described isolated power driver module has a driving chip, the 1st pin of driving chip, the 3rd pin, the 5th pin the 9th pin, the 11st pin and the 13rd pin are connected with the 20th pin of the first control chip, the 19th pin, the 18th pin respectively, the 21st, the 22nd, the 23rd pin connects.
Furthermore, in technique scheme, described inverter circuit module has an IC chip, is connected, is connected after the 2nd pin serial connection one R43 with the 24th pin of the first control chip after the 1st pin serial connection one resistance R41 of IC chip with power supply; 3rd pin is connected with rectification circuit, and the 4th, the 5th, the 6th pin is connected with the 5th interface; 7th, connect a resistance R22 after the 8th, the 9th pins in parallel, the other end of resistance R22 is connected with electric capacity C17, the other end ground connection of electric capacity C17; 10th pin connect and between resistance R22 and electric capacity C17; Resistance R24 is connected with between 11st pin and the 17th pin of the first control chip; 12nd, 13,14,18,19,20 pins are connected with driving chip; 21st, a diode D11 and electric capacity C25 in parallel between 22 pins, the 23rd, a diode D12 and electric capacity C27 in parallel between 24 pins, the 25th, a diode D13 and electric capacity C28 in parallel between 26 pins; An electric capacity C21 is connected between 15th pin and 16 pins.
Furthermore, in technique scheme, the input of described rectification circuit is in parallel with electric capacity C19, C20, after in parallel, the positive terminal of electric capacity C19, C20 is connected with the 2nd pin of IC chip, one output of rectification circuit is connected with the 5th interface, and another output is connected with soft start control module.
Furthermore, in technique scheme, described soft start control module comprises: relay K 1, single-pole double-throw switch (SPDT), diode D7, D9, triode Q1, one output of rectification circuit is connected with single-pole double-throw switch (SPDT) by thermistor RT1, and the positive terminal of diode D7 is connected after a resistance R19 and is connected with the 16th pin of the first control chip; The negative electrode contact resistance R17 of diode D7 and first pin of triode Q1, resistance R16 is in series with between the crus secunda of resistance R17 and triode Q1, resistance R17 and the indirect power supply of resistance R16, the tripod of triode Q1 is connected with relay K 1 and diode D9, the anode tap ground connection of diode D9.
After adopting technique scheme, the present invention has following beneficial effect compared with prior art: three-phase 220V small-power asynchronous machine of the present invention, can reach energy-conservation object, also can increase work efficiency simultaneously.
Accompanying drawing illustrates:
Fig. 1 is theory diagram of the present invention
Fig. 2 is circuit diagram of the present invention.
Embodiment:
Below in conjunction with specific embodiments and the drawings, the present invention is further described.
See shown in Fig. 1-2, simple and easy single-phase frequency conversion commutation circuit, comprise: a main control module 1, the soft start control module 2 be electrically connected with main control module 1, for detecting protective circuit module 3 and the isolated power driver module 4 of the voltage and current of main circuit, wherein, soft start control module 2 connects a soft-start module 6, isolated power driver module 4 connects an inverter circuit module 7, this inverter circuit module 7 is connected with protective circuit module 3 and soft-start module 6, soft-start module 6 is also connected with a rectification circuit 8, rectification circuit 8 and one exchanges input module 5 and is connected.
Described main control module 1 comprises: the first control chip 11, second control chip 12 and power isolation circuit 13.
The first described control chip 11 has 28 pins, wherein, and ground connection after the 3rd pin serial connection one resistance R8; A crystal oscillator Y1, crystal oscillator Y1 two ends of connecting between the 6th pin and the 7th pin connect electric capacity C8, C10, ground connection after two electric capacity C8, C10 parallel connections respectively; 13rd pin is connected with the second optical coupler U4 of power isolation circuit with the 14th pin, and the 12nd pin is connected with the first optical coupler U5 of power isolation circuit, is connected after the 11st pin serial connection one or four foot control SW1 with the first optical coupler U5; The negative pole contact resistance R1 of first its light-emitting diode of optical coupler U5, positive pole contact resistance R2, be connected to first interface P1 and electric capacity C1 after resistance R1, R2 parallel connection; The negative pole contact resistance R3 of second its light-emitting diode of optical coupler U4, positive pole contact resistance R4, be connected to first interface P1 and electric capacity C2 after resistance R3, R4 parallel connection, be connected to first interface P1 after electric capacity C1, C2 parallel connection; Its positive pole of light-emitting diode of first optical coupler U5 is also connected with resistance R4; Four, the 5th pin is connected to the second interface P2 respectively.
The second described control chip 12 has 14 pins, wherein, 1st pin, the 3rd pin are connected with power supply with after the 7th pin serial connection one electric capacity C18, be connected with power supply after 13rd pin serial connection one resistance R33, to connect between the 5th pin and the 8th pin a diode, 11st pin connects optocoupler and device U8, and the 12nd pin is connected with optical coupler U7 by a resistance R18, and optical coupler U7, U8 are connected to the second interface P2 respectively; Be connected with optical coupler U8 after 5th pin serial connection one resistance R11 of the first control chip 11, be connected with optical coupler U7 after 4th pin serial connection one resistance R14 of the first control chip 11, be connected with optical coupler U7 after the 28th pin serial connection one resistance R15 of the first control chip 11; Optical coupler U7 is also connected with a voltage stabilizing circuit.
The second described control chip 12 is also connected with a telecommunication circuit, and this telecommunication circuit comprises a communication chip 14, and communication chip 14 has eight pins, and the 6th pin of the second control chip 12 is connected with the 2nd, the 3rd pin of communication chip 14; Be connected with the 1st pin of communication chip 14 after 2nd pin serial connection one resistance R34 of the second control chip 12, resistance R34 is in parallel with resistance R33; Be connected with the 4th pin of communication chip 14 after 8th pin serial connection one resistance R26 of the second control chip 12; Resistance R26 connects with resistance R35, electric capacity C23, resistance R39, and one end of resistance R39 is connected with electric capacity C23, and the other end is in series with two piezo-resistance RV1, RV2, and piezo-resistance RV1, RV2 are in parallel; The negative pole end of piezo-resistance RV1 connects a resistance R27, and resistance R27 connects the 6th pin of communication chip; The negative pole end contact resistance R28 of piezo-resistance RV2, resistance R28 connect the 7th pin of communication chip; Be parallel with diode DS1, DS2 and electric capacity C15 between the 6th, the 7th, the 8th pin of communication chip 14, the 5th pin of communication chip is also connected with electric capacity C15; The negative pole end of piezo-resistance RV1, RV2 is connected with the 4th interface P4, and resistance R39 is connected with the 4th interface P4.
Described isolated power driver module 4 has a driving chip 41, the 1st pin of driving chip 41, the 3rd pin, the 5th pin the 9th pin, the 11st pin and the 13rd pin are connected with the 20th pin of the first control chip 11, the 19th pin, the 18th pin respectively, the 21st, the 22nd, the 23rd pin connects.
Described inverter circuit module 7 is connected with power supply after having the 1st pin serial connection one resistance R41 of IC chip 71, an IC chip 71, is connected after the 2nd pin serial connection one R43 with the 24th pin of the first control chip 11; 3rd pin is connected with rectification circuit, and the 4th, the 5th, the 6th pin is connected with the 5th interface; 7th, connect a resistance R22 after the 8th, the 9th pins in parallel, the other end of resistance R22 is connected with electric capacity C17, the other end ground connection of electric capacity C17; 10th pin connect and between resistance R22 and electric capacity C17; Resistance R24 is connected with between 11st pin and the 17th pin of the first control chip 11; 12nd, 13,14,18,19,20 pins are connected with driving chip; 21st, a diode D11 and electric capacity C25 in parallel between 22 pins, the 23rd, a diode D12 and electric capacity C27 in parallel between 24 pins, the 25th, a diode D13 and electric capacity C28 in parallel between 26 pins; An electric capacity C21 is connected between 15th pin and 16 pins.
The input of described rectification circuit 8 is in parallel with electric capacity C19, C20, and after in parallel, the positive terminal of electric capacity C19, C20 is connected with the 2nd pin of IC chip, and an output of rectification circuit 8 is connected with the 5th interface, and another output is connected with soft start control module 2.
The protection of described protective circuit module 3 detects the voltage, electric current etc. of main circuit, when overload or overvoltage etc. occurring being abnormal, in order to prevent inverter and asynchronous motor from damaging, inverter being quit work or suppresses voltage, current value.
Described soft start control module 2 comprises: relay K 1, single-pole double-throw switch (SPDT), diode D7, D9, triode Q1, one output of rectification circuit is connected with single-pole double-throw switch (SPDT) by thermistor RT1, and the positive terminal of diode D7 is connected after a resistance R19 and is connected with the 16th pin of the first control chip; The negative electrode contact resistance R17 of diode D7 and first pin of triode Q1, resistance R16 is in series with between the crus secunda of resistance R17 and triode Q1, resistance R17 and the indirect power supply of resistance R16, the tripod of triode Q1 is connected with relay K 1 and diode D9, the anode tap ground connection of diode D9.Described soft start control module 2 comprises: single-pole double-throw switch (SPDT), diode D7, D9, triode Q1, one output of rectification circuit is connected with single-pole double-throw switch (SPDT) by thermistor RT1, and the positive terminal of diode D7 is connected after a resistance R19 and is connected with the 16th pin of the first control chip; The negative electrode contact resistance R17 of diode D7 and first pin of triode Q1, resistance R16 is in series with between the crus secunda of resistance R17 and triode Q1, resistance R17 and the indirect power supply of resistance R16, the tripod of triode Q1 is connected with single-pole double-throw switch (SPDT) and diode D9, the anode tap ground connection of diode D9.
The present invention is a kind of a kind of circuit single phase alternating current (A.C.) (220V) being converted to three-phase alternating current (220V).Whole circuit is the power converting part providing constant frequency power of isopiestic pressure to asynchronous motor, be the three-phase electricity exchanged by the DC converting of voltage source substantially, be AC power direct current power being transformed to required frequency, just can obtain 3 cross streams with 6 switch device conductive of chien shih time determined, shutoff and export.From 2, the 3 pin input single-phase alternating current 220V of the 5th interface P5, power to D8 rectifier through soft start relay K 1, export the direct current of about 300V, through C19, C20 filter circuit supply inverter circuit; Get switching power circuit from 300V direct current section, through switching power source device conversion such as U3, T1, be supplied to the voltage-stabilizing devices such as U1, U2, output to each back work circuit through voltage stabilizing; Export 6 road SPWM signals from single-chip microcomputer U6, output to inversion module to control inverter output voltage through U11.
Certainly, the foregoing is only specific embodiments of the invention, be not limit the scope of the present invention, all equivalences done according to structure, feature and principle described in the present patent application the scope of the claims change or modify, and all should be included in the present patent application the scope of the claims.
Claims (9)
1. simple and easy single-phase frequency conversion commutation circuit, it is characterized in that: comprising: a main control module (1), the soft start control module (2) be electrically connected with main control module (1), for detecting protective circuit module (3) and the isolated power driver module (4) of the voltage and current of main circuit, wherein, upper connection one soft-start module (6) of soft start control module (2), upper connection one inverter circuit module (7) of isolated power driver module (4), this inverter circuit module (7) is connected with protective circuit module (3) and soft-start module (6), soft-start module (6) is also connected with a rectification circuit (8), rectification circuit (8) and one exchanges input module (5) and is connected.
2. simple and easy single-phase frequency conversion commutation circuit according to claim 1, is characterized in that: described main control module (1) comprising: the first control chip (11), the second control chip (12) and power isolation circuit (13).
3. simple and easy single-phase frequency conversion commutation circuit according to claim 2, is characterized in that: described the first control chip (11) has 28 pins, wherein, and ground connection after the 3rd pin serial connection one resistance R8; A crystal oscillator Y1, crystal oscillator Y1 two ends of connecting between the 6th pin and the 7th pin connect electric capacity C8, C10, ground connection after two electric capacity C8, C10 parallel connections respectively; 13rd pin is connected with the second optical coupler U4 of power isolation circuit with the 14th pin, and the 12nd pin is connected with the first optical coupler U5 of power isolation circuit, is connected after the 11st pin serial connection one or four foot control SW1 with the first optical coupler U5; The negative pole contact resistance R1 of first its light-emitting diode of optical coupler U5, positive pole contact resistance R2, be connected to first interface P1 and electric capacity C1 after resistance R1, R2 parallel connection; The negative pole contact resistance R3 of second its light-emitting diode of optical coupler U4, positive pole contact resistance R4, be connected to first interface P1 and electric capacity C2 after resistance R3, R4 parallel connection, be connected to first interface P1 after electric capacity C1, C2 parallel connection; Its positive pole of light-emitting diode of first optical coupler U5 is also connected with resistance R4; Four, the 5th pin is connected to the second interface P2 respectively.
4. simple and easy single-phase frequency conversion commutation circuit according to claim 2, it is characterized in that: described the second control chip (12) has 14 pins, wherein, 1st pin, the 3rd pin are connected with power supply with after the 7th pin serial connection one electric capacity C18, be connected with power supply after 13rd pin serial connection one resistance R33, to connect between the 5th pin and the 8th pin a diode, 11st pin connects optocoupler and device U8,12nd pin is connected with optical coupler U7 by a resistance R18, and optical coupler U7, U8 are connected to the second interface P2 respectively; Be connected with optical coupler U8 after 5th pin serial connection one resistance R11 of the first control chip (11), be connected with optical coupler U7 after 4th pin serial connection one resistance R14 of the first control chip (11), be connected with optical coupler U7 after the 28th pin serial connection one resistance R15 of the first control chip (11); Optical coupler U7 is also connected with a voltage stabilizing circuit.
5. simple and easy single-phase frequency conversion commutation circuit according to claim 4, it is characterized in that: described the second control chip (12) is also connected with a telecommunication circuit, this telecommunication circuit comprises a communication chip (14), communication chip (14) has eight pins, and the 6th pin of the second control chip (12) is connected with the 2nd, the 3rd pin of communication chip (14); Be connected with the 1st pin of communication chip (14) after 2nd pin serial connection one resistance R34 of the second control chip (12), resistance R34 is in parallel with resistance R33; Be connected with the 4th pin of communication chip (14) after 8th pin serial connection one resistance R26 of the second control chip (12); Resistance R26 connects with resistance R35, electric capacity C23, resistance R39, and one end of resistance R39 is connected with electric capacity C23, and the other end is in series with two piezo-resistance RV1, RV2, and piezo-resistance RV1, RV2 are in parallel; The negative pole end of piezo-resistance RV1 connects a resistance R27, and resistance R27 connects the 6th pin of communication chip; The negative pole end contact resistance R28 of piezo-resistance RV2, resistance R28 connect the 7th pin of communication chip; Be parallel with diode DS1, DS2 and electric capacity C15 between the 6th, the 7th, the 8th pin of communication chip (14), the 5th pin of communication chip is also connected with electric capacity C15; The negative pole end of piezo-resistance RV1, RV2 is connected with the 4th interface P4, and resistance R39 is connected with the 4th interface P4.
6. simple and easy single-phase frequency conversion commutation circuit according to claim 1, it is characterized in that: described isolated power driver module (4) has a driving chip (41), the 1st pin of driving chip (41), the 3rd pin, the 5th pin the 9th pin, the 11st pin and the 13rd pin be connected with the 20th pin of the first control chip (11), the 19th pin, the 18th pin respectively, the 21st, the 22nd, the 23rd pin connects.
7. simple and easy single-phase frequency conversion commutation circuit according to claim 6, it is characterized in that: described inverter circuit module (7) has an IC chip (71), be connected with power supply after 1st pin serial connection one resistance R41 of IC chip (71), be connected with the 24th pin of the first control chip (11) after the 2nd pin serial connection one R43; 3rd pin is connected with rectification circuit, and the 4th, the 5th, the 6th pin is connected with the 5th interface; 7th, connect a resistance R22 after the 8th, the 9th pins in parallel, the other end of resistance R22 is connected with electric capacity C17, the other end ground connection of electric capacity C17; 10th pin connect and between resistance R22 and electric capacity C17; Resistance R24 is connected with between 11st pin and the 17th pin of the first control chip (11); 12nd, 13,14,18,19,20 pins are connected with driving chip; 21st, a diode D11 and electric capacity C25 in parallel between 22 pins, the 23rd, a diode D12 and electric capacity C27 in parallel between 24 pins, the 25th, a diode D13 and electric capacity C28 in parallel between 26 pins; An electric capacity C21 is connected between 15th pin and 16 pins.
8. simple and easy single-phase frequency conversion commutation circuit according to claim 7, it is characterized in that: the input of described rectification circuit (8) is in parallel with electric capacity C19, C20, after in parallel, the positive terminal of electric capacity C19, C20 is connected with the 2nd pin of IC chip, one output of rectification circuit (8) is connected with the 5th interface, and another output is connected with soft start control module (2).
9. simple and easy unidirectional frequency conversion commutation circuit according to claim 8, it is characterized in that: described soft start control module (2) comprising: relay K 1, single-pole double-throw switch (SPDT), diode D7, D9, triode Q1, one output of rectification circuit is connected with single-pole double-throw switch (SPDT) by thermistor RT1, and the positive terminal of diode D7 is connected after a resistance R19 and is connected with the 16th pin of the first control chip; The negative electrode contact resistance R17 of diode D7 and first pin of triode Q1, resistance R16 is in series with between the crus secunda of resistance R17 and triode Q1, resistance R17 and the indirect power supply of resistance R16, the tripod of triode Q1 is connected with relay K 1 and diode D9, the anode tap ground connection of diode D9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849336.5A CN104539171A (en) | 2014-12-29 | 2014-12-29 | Simple one-phase frequency conversion switching circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410849336.5A CN104539171A (en) | 2014-12-29 | 2014-12-29 | Simple one-phase frequency conversion switching circuit |
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| CN104539171A true CN104539171A (en) | 2015-04-22 |
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| CN201410849336.5A Pending CN104539171A (en) | 2014-12-29 | 2014-12-29 | Simple one-phase frequency conversion switching circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995135A (en) * | 2019-05-13 | 2019-07-09 | 沈阳睿捷电力科技有限公司 | Solve the uninterrupted seamless switching inverter power supply device of industry of Problem of Voltage Temporary-Drop |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127484A (en) * | 2007-05-23 | 2008-02-20 | 中国科学院电工研究所 | A digital high voltage DC power |
| CN102281011A (en) * | 2011-08-30 | 2011-12-14 | 江苏物联网研究发展中心 | Single-phase inversion frequency conversion power supply based on sine modulation wave |
| CN203747662U (en) * | 2013-12-26 | 2014-07-30 | 国电南京自动化股份有限公司 | Energy feedback type high-voltage frequency converter power unit |
| CN204376725U (en) * | 2014-12-29 | 2015-06-03 | 东莞市东怡机电有限公司 | Simple and easy single-phase frequency conversion commutation circuit |
-
2014
- 2014-12-29 CN CN201410849336.5A patent/CN104539171A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127484A (en) * | 2007-05-23 | 2008-02-20 | 中国科学院电工研究所 | A digital high voltage DC power |
| CN102281011A (en) * | 2011-08-30 | 2011-12-14 | 江苏物联网研究发展中心 | Single-phase inversion frequency conversion power supply based on sine modulation wave |
| CN203747662U (en) * | 2013-12-26 | 2014-07-30 | 国电南京自动化股份有限公司 | Energy feedback type high-voltage frequency converter power unit |
| CN204376725U (en) * | 2014-12-29 | 2015-06-03 | 东莞市东怡机电有限公司 | Simple and easy single-phase frequency conversion commutation circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995135A (en) * | 2019-05-13 | 2019-07-09 | 沈阳睿捷电力科技有限公司 | Solve the uninterrupted seamless switching inverter power supply device of industry of Problem of Voltage Temporary-Drop |
| CN109995135B (en) * | 2019-05-13 | 2024-01-26 | 沈阳睿捷电力科技有限公司 | Industrial uninterrupted seamless switching inverter power supply device for solving voltage sag problem |
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Application publication date: 20150422 |
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