CN102545657B - Input rectification circuit for auxiliary power supply - Google Patents
Input rectification circuit for auxiliary power supply Download PDFInfo
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- CN102545657B CN102545657B CN201010598754.3A CN201010598754A CN102545657B CN 102545657 B CN102545657 B CN 102545657B CN 201010598754 A CN201010598754 A CN 201010598754A CN 102545657 B CN102545657 B CN 102545657B
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Abstract
The invention discloses an input rectification circuit for an auxiliary power supply, which is provided with an auxiliary power supply circuit, a boosting circuit, a direct current energy storage circuit, an inverter output circuit and diodes D1 and D2. The auxiliary power supply circuit is provided with a transformer TX1 and a transistor Q3; the boosting circuit is provided with a Semiconductor Control Rectifier (SCR) transistor Q1, a SCR transistor Q2, an inductance L1, an inductance L2, an Insulated Gate Bipolar Translator (IGBT) Q4, an IGBT Q5 and diodes D3 and D4; an anode of the diode D1, an anode of the SCR transistor Q1 and a cathode of the SCR transistor Q2 are connected with an L end of the commercial power; an anode of the diode D2, an emitting electrode of the IGBT Q4, a collecting electrode of the IGBT Q5, a cathode of a polar capacitor C1, an anode of a polar capacitor C2 and a No.2 end of the inverter output circuit are connected with an N end of the commercial power; and a cathode of the diode D1 and a cathode of the diode D2 are connected with a No.1 end of the transformer TX1. The aim of supplying power to the auxiliary power supply after the commercial power is subjected to full-wave rectification can be fulfilled by few devices. The input rectification circuit has simple structure and low cost.
Description
Technical field
The present invention relates to uninterrupted power supply (ups) Unity technology, particularly relate to a kind of input rectification circuit of accessory power supply.
Background technology
In ups power, for reducing the energy storage filter capacitor of accessory power supply input/output terminal, it is accessory power supply power supply that common civil power all needs through full-wave rectifying circuit.Meanwhile, accessory power supply need to be set up power supply conventionally before major loop work, so accessory power supply will be realized 4 diodes of the common single-phase needs of full-wave rectification from the power taking process of civil power.As shown in accompanying drawing two, from civil power to accessory power supply, realize full-wave rectification by 4 diodes (D1, D2, D3, D4), needed components and parts are more, complex structure, cost is higher.
For prior art deficiency, provide a kind of input rectification circuit of accessory power supply very necessary to solve prior art deficiency.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art part and the input rectification circuit of accessory power supply simple in structure, with low cost is provided.
Object of the present invention realizes by following technical measures.
An input rectification circuit for accessory power supply,
Be provided with auxiliary power circuit, booster circuit, DC energy storage circuit, inverter output circuit, diode D1 and D2;
Described auxiliary power circuit is provided with transformer TX1 and transistor Q3, and described transformer TX1 is provided with 1 end, 2 ends, 3 ends and 4 ends;
Described booster circuit is provided with SCR thyristor Q1, SCR thyristor Q2, inductance L 1, inductance L 2, IGBT pipe Q4, IGBT pipe Q5, diode D3 and D4;
Described DC energy storage circuit is provided with polar capacitor C1 and C2;
Described inverter output circuit is provided with 1 end, 2 ends and 3 ends;
The positive pole of described diode D1, the positive pole of SCR thyristor Q1, the negative pole of SCR thyristor Q2 is connected with civil power L end, the positive pole of described diode D2, the emitter of IGBT pipe Q4, the collector electrode of IGBT pipe Q5, the negative pole of polar capacitor C1, the positive pole of polar capacitor C2, 2 ends of inverter output circuit are connected with civil power N end, described diode D1 negative pole, diode D2 negative pole is connected with 1 end of transformer TX1, 2 ends of transformer TX1 are connected with the drain electrode of transistor Q3, the source electrode of transistor Q3, the positive pole of SCR thyristor Q2 is connected with one end of inductance L 2, the other end of inductance L 2, the emitter of IGBT pipe Q5 is connected with the negative pole of diode D3, the positive pole of diode D3, the negative pole of polar capacitor C2 is connected with 3 ends of inverter output circuit, the negative pole of SCR thyristor Q1 is connected with one end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected with the positive pole of diode D4, the negative pole of diode D4, the positive pole of polar capacitor C1 is connected with 1 end of inverter output circuit.
The model of described diode D1 is 1N5404.
The model of described diode D2 is 1N5404.
The model of described SCR thyristor Q1 is 40TPS12, and the model of described SCR thyristor Q2 is 40TPS12.
Described inductance L 1 is 250uH, and described inductance L 2 is 250uH.
The model of described IGBT pipe Q4 is IRG4PC50UD.
The model of described IGBT pipe Q5 is IRG4PC50UD.
The model of described diode D3 is RHRP30120.
The model of described diode D4 is RHRP30120.
Described polar capacitor C1 is set to 2200Uf, 450V, and described polar capacitor C2 is set to 2200Uf, 450V.The input rectification circuit of a kind of accessory power supply of the present invention, is provided with auxiliary power circuit, booster circuit, DC energy storage circuit, inverter output circuit, diode D1 and D2, described auxiliary power circuit is provided with transformer TX1 and transistor Q3, and described transformer TX1 is provided with 1 end, 2 ends, 3 ends and 4 ends, described booster circuit is provided with SCR thyristor Q1, SCR thyristor Q2, inductance L 1, inductance L 2, IGBT pipe Q4, IGBT pipe Q5, diode D3 and D4, described DC energy storage circuit is provided with polar capacitor C1 and C2, described inverter output circuit is provided with 1 end, 2 ends and 3 ends, the positive pole of described diode D1, the positive pole of SCR thyristor Q1, the negative pole of SCR thyristor Q2 is connected with civil power L end, the positive pole of described diode D2, the emitter of IGBT pipe Q4, the collector electrode of IGBT pipe Q5, the negative pole of polar capacitor C1, the positive pole of polar capacitor C2, 2 ends of inverter output circuit are connected with civil power N end, described diode D1 negative pole, diode D2 negative pole is connected with 1 end of transformer TX1, 2 ends of transformer TX1 are connected with the drain electrode of transistor Q3, the source electrode of transistor Q3, the positive pole of SCR thyristor Q2 is connected with one end of inductance L 2, the other end of inductance L 2, the emitter of IGBT pipe Q5 is connected with the negative pole of diode D3, the positive pole of diode D3, the negative pole of polar capacitor C2 is connected with 3 ends of inverter output circuit, the negative pole of SCR thyristor Q1 is connected with one end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected with the positive pole of diode D4, the negative pole of diode D4, the positive pole of polar capacitor C1 is connected with 1 end of inverter output circuit.The input rectification circuit of a kind of accessory power supply of the present invention can utilize the subelement of main circuit, after less components and parts are realized civil power full-wave rectification, powers as accessory power supply, and circuit structure is simple, with low cost.
Accompanying drawing explanation
The present invention is further illustrated to utilize accompanying drawing, but content in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the circuit diagram of the input rectification circuit of a kind of accessory power supply of the present invention.
Fig. 2 is the circuit diagram of the input rectification circuit of a kind of accessory power supply of prior art.
In Fig. 1, comprising:
DC energy storage circuit 300,
Embodiment
The invention will be further described with the following Examples.
An input rectification circuit for accessory power supply, as shown in Figure 1, is provided with auxiliary power circuit 100, booster circuit 200, DC energy storage circuit 300, inverter output circuit 400, diode D1, D2.
Described auxiliary power circuit 100 is provided with transformer TX1 and transistor Q3, and described transformer TX1 is provided with 1 end, 2 ends, 3 ends and 4 ends.
Described booster circuit 200 is provided with SCR thyristor Q1, SCR thyristor Q2, inductance L 1, inductance L 2, IGBT pipe Q4, IGBT pipe Q5 and diode D3, D4.
Described DC energy storage circuit 300 is provided with polar capacitor C1 and C2.
Described inverter output circuit 400 is provided with 1 end, 2 ends and 3 ends.
The positive pole of described diode D1, the positive pole of SCR thyristor Q1, the negative pole of SCR thyristor Q2 is connected with civil power L end, the positive pole of described diode D2, the emitter of IGBT pipe Q4, the collector electrode of IGBT pipe Q5, the negative pole of polar capacitor C1, the positive pole of polar capacitor C2, 2 ends of inverter output circuit 400 are connected with civil power N end, described diode D1 negative pole, diode D2 negative pole is connected with 1 end of transformer TX1, and 2 ends of transformer TX1 are connected with the drain electrode of transistor Q3, the source electrode of transistor Q3, the positive pole of SCR thyristor Q2 is connected with one end of inductance L 2, the other end of inductance L 2, the emitter of IGBT pipe Q5 is connected with the negative pole of diode D3, the positive pole of diode D3, the negative pole of polar capacitor C2 is connected with 3 ends of inverter output circuit 400, and the negative pole of SCR thyristor Q1 is connected with one end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected with the positive pole of diode D4, the negative pole of diode D4, the positive pole of polar capacitor C1 is connected with 1 end of inverter output circuit 400.
The input rectification circuit of a kind of accessory power supply of the present invention, the N end of civil power L end, diode D1, transformer TX1, transistor Q3, inductance L 2, IGBT pipe Q5 and civil power forms the positive half cycle of civil power loop; And civil power N end, diode D2, transformer TX1, transistor Q3, SCR thyristor Q2 and civil power L end form civil power negative half period loop.This circuit has utilized diode and SCR thyristor Q2 in the body of the IGBT pipe Q5 in major loop to form the loop of auxiliary power circuit 100 full-wave rectification power takings.In the time of UPS standby, because Q2 is not open-minded, after civil power halfwave rectifier, power for auxiliary power circuit 100.And stand-by power consumption is less, without the storage capacitor that increases accessory power supply.In the time that UPS enters normal work, SCR thyristor Q2 is in negative half period conducting, and civil power is powered for auxiliary power circuit 100 after full-wave rectification.Therefore the present invention can utilize the subelement of main circuit, after realizing civil power full-wave rectification, less components and parts power as accessory power supply, and circuit structure is simple, with low cost.
An input rectification circuit for accessory power supply, other structure is identical with embodiment 1, and difference is, the model of diode D1 is 1N5404, the model of diode D2 is 1N5404, and the model of SCR thyristor Q1 is 40TPS12, and the model of SCR thyristor Q2 is 40TPS12.
The model of IGBT pipe Q4 is IRG4PC50UD, and the model of IGBT pipe Q5 is IRG4PC50UD.
The model of diode D3 is RHRP30120, and the model of diode D4 is RHRP30120.
Polar capacitor C1 is set to 2200Uf, 450V, and polar capacitor C2 is set to 2200Uf, 450V.This circuit can utilize the subelement of main circuit, after less components and parts are realized civil power full-wave rectification, powers as accessory power supply, and circuit structure is simple, with low cost.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although the present invention is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (10)
1. an input rectification circuit for accessory power supply, is characterized in that:
Be provided with auxiliary power circuit, booster circuit, DC energy storage circuit, inverter output circuit, diode D1 and D2;
Described auxiliary power circuit is provided with transformer TX1 and transistor Q3, and described transformer TX1 is provided with 1 end, 2 ends, 3 ends and 4 ends;
Described booster circuit is provided with SCR thyristor Q1, SCR thyristor Q2, inductance L 1, inductance L 2, IGBT pipe Q4, IGBT pipe Q5, diode D3 and D4;
Described DC energy storage circuit is provided with polar capacitor C1 and C2;
Described inverter output circuit is provided with 1 end, 2 ends and 3 ends;
The positive pole of described diode D1, the positive pole of SCR thyristor Q1, the negative pole of SCR thyristor Q2 is connected with civil power L end, the positive pole of described diode D2, the emitter of IGBT pipe Q4, the collector electrode of IGBT pipe Q5, the negative pole of polar capacitor C1, the positive pole of polar capacitor C2, 2 ends of inverter output circuit are connected with civil power N end, described diode D1 negative pole, diode D2 negative pole is connected with 1 end of transformer TX1, 2 ends of transformer TX1 are connected with the drain electrode of transistor Q3, the source electrode of transistor Q3, the positive pole of SCR thyristor Q2 is connected with one end of inductance L 2, the other end of inductance L 2, the emitter of IGBT pipe Q5 is connected with the negative pole of diode D3, the positive pole of diode D3, the negative pole of polar capacitor C2 is connected with 3 ends of inverter output circuit, the negative pole of SCR thyristor Q1 is connected with one end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected with the positive pole of diode D4, the negative pole of diode D4, the positive pole of polar capacitor C1 is connected with 1 end of inverter output circuit.
2. the input rectification circuit of accessory power supply according to claim 1, is characterized in that: the model of described diode D1 is 1N5404.
3. the input rectification circuit of accessory power supply according to claim 1, is characterized in that: the model of described diode D2 is 1N5404.
4. according to the input rectification circuit of the accessory power supply described in claim 1 or 2 or 3, it is characterized in that: the model of described SCR thyristor Q1 is 40TPS12, the model of described SCR thyristor Q2 is 40TPS12.
5. the input rectification circuit of accessory power supply according to claim 4, is characterized in that: described inductance L 1 is 250uH, and described inductance L 2 is 250uH.
6. the input rectification circuit of accessory power supply according to claim 1, is characterized in that: the model of described IGBT pipe Q4 is IRG4PC50UD.
7. the input rectification circuit of accessory power supply according to claim 1, is characterized in that: the model of described IGBT pipe Q5 is IRG4PC50UD.
8. the input rectification circuit of accessory power supply according to claim 1, is characterized in that: the model of described diode D3 is RHRP30120.
9. the input rectification circuit of accessory power supply according to claim 1, is characterized in that: the model of described diode D4 is RHRP30120.
10. the input rectification circuit of accessory power supply according to claim 1, is characterized in that: described polar capacitor C1 is set to 2200Uf, 450V, and described polar capacitor C2 is set to 2200Uf, 450V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010598754.3A CN102545657B (en) | 2010-12-21 | 2010-12-21 | Input rectification circuit for auxiliary power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010598754.3A CN102545657B (en) | 2010-12-21 | 2010-12-21 | Input rectification circuit for auxiliary power supply |
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| Publication Number | Publication Date |
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| CN102545657A CN102545657A (en) | 2012-07-04 |
| CN102545657B true CN102545657B (en) | 2014-07-09 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622442A (en) * | 2003-11-26 | 2005-06-01 | 株式会社三社电机制作所 | Power supply unit |
| CN101673957A (en) * | 2008-09-11 | 2010-03-17 | 台达电子工业股份有限公司 | Parallel uninterrupted power supply circuit |
| CN201541145U (en) * | 2009-11-04 | 2010-08-04 | 佛山市柏克电力设备有限公司 | UPS (Uninterrupted Power Supply) capable of working under multiple modes |
| CN101877547A (en) * | 2010-07-05 | 2010-11-03 | 艾默生网络能源有限公司 | Double-power supply convertor |
| CN201878025U (en) * | 2010-12-21 | 2011-06-22 | 广东易事特电源股份有限公司 | Input rectifying circuit of auxiliary power supply |
-
2010
- 2010-12-21 CN CN201010598754.3A patent/CN102545657B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622442A (en) * | 2003-11-26 | 2005-06-01 | 株式会社三社电机制作所 | Power supply unit |
| CN101673957A (en) * | 2008-09-11 | 2010-03-17 | 台达电子工业股份有限公司 | Parallel uninterrupted power supply circuit |
| CN201541145U (en) * | 2009-11-04 | 2010-08-04 | 佛山市柏克电力设备有限公司 | UPS (Uninterrupted Power Supply) capable of working under multiple modes |
| CN101877547A (en) * | 2010-07-05 | 2010-11-03 | 艾默生网络能源有限公司 | Double-power supply convertor |
| CN201878025U (en) * | 2010-12-21 | 2011-06-22 | 广东易事特电源股份有限公司 | Input rectifying circuit of auxiliary power supply |
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| Publication number | Publication date |
|---|---|
| CN102545657A (en) | 2012-07-04 |
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