CN201878025U - Input rectifying circuit of auxiliary power supply - Google Patents
Input rectifying circuit of auxiliary power supply Download PDFInfo
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- CN201878025U CN201878025U CN2010206713705U CN201020671370U CN201878025U CN 201878025 U CN201878025 U CN 201878025U CN 2010206713705 U CN2010206713705 U CN 2010206713705U CN 201020671370 U CN201020671370 U CN 201020671370U CN 201878025 U CN201878025 U CN 201878025U
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Abstract
An input rectifying circuit of an auxiliary power supply is provided with an auxiliary power supply circuit, a booster circuit, a direct current tank circuit, an inversion output circuit and diodes D1 and D2, wherein the auxiliary power supply circuit is provided with TX1 and Q3; the booster circuit is provided with Q1, Q2, L1, L2, Q4, Q5, D3 and D4; the anode of the diode D1, the anode of an SCR (Semiconductor Control Rectifier) Q1 and the cathode of an SCR Q2 are connected with a utility power L end; the anode of the diode D2, the emitter of an IGBT (Insulated Gate Bipolar Translator) Q4, the collector of an IGBT Q5, the cathode of a polar capacitor C1, the anode of a polar capacitor C2 and two ends of the inversion output circuit are connected with a utility power N end; and the cathode of the diode D1 and the cathode of the diode D2 are connected with one end of a transformer TX1. With fewer elements, the circuit can enable the utility power to supply power to the auxiliary power supply after full-wave rectification. The circuit is simple in structure and low in cost.
Description
Technical field
The utility model relates to the uninterrupted power supply (ups) Unity technology, particularly relates 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, civil power need be the accessory power supply power supply through full-wave rectifying circuit all usually.Simultaneously, accessory power supply need be set up power supply usually 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.Shown in accompanying drawing two, from the civil power to the accessory power supply by 4 diodes (D3 D4) realizes full-wave rectification for D1, D2, and needed components and parts are more, complex structure, cost is higher.
At the prior art deficiency, provide a kind of input rectification circuit of accessory power supply very necessary to solve the prior art deficiency.
Summary of the invention
The purpose of this utility model 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.
The purpose of this utility model realizes by following technical measures.
A kind of input rectification circuit of 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 an 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 an end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected the negative pole of diode D4 with the positive 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 utility model 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 an 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 an end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected the negative pole of diode D4 with the positive 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 utility model can utilize the subelement of main circuit, realizes that with less components and parts after the civil power full-wave rectification be the accessory power supply power supply, and circuit structure is simple, and is with low cost.
Description of drawings
Utilize accompanying drawing that the utility model is further described, but the content in the accompanying drawing does not constitute any restriction of the present utility model.
Fig. 1 is the circuit diagram of the input rectification circuit of a kind of accessory power supply of the present utility model.
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
With the following Examples the utility model is further described.
A kind of input rectification circuit of 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 TX1,2 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 an 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, the negative pole of SCR thyristor Q1 is connected with an end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected the negative pole of diode D4 with the positive 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 utility model, the N end of civil power L end, diode D1, transformer TX1, transistor Q3, inductance L 2, IGBT pipe Q5 and civil power constitutes 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 constitute civil power negative half period loop.This circuit has utilized the interior diode of body of the IGBT pipe Q5 in the major loop and the loop that SCR thyristor Q2 has constituted auxiliary power circuit 100 full-wave rectification power takings.When the UPS standby,, after the civil power halfwave rectifier auxiliary power circuit 100 power supplies because Q2 is not open-minded.And stand-by power consumption is less, need not to increase the storage capacitor of accessory power supply.When UPS entered operate as normal, SCR thyristor Q2 was in the negative half period conducting, and then civil power is auxiliary power circuit 100 power supplies after full-wave rectification.So the utility model can utilize the subelement of main circuit, realize that with less components and parts after the civil power full-wave rectification be the accessory power supply power supply, circuit structure is simple, and is with low cost.
A kind of input rectification circuit of 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, realizes that with less components and parts after the civil power full-wave rectification be the accessory power supply power supply, and circuit structure is simple, and is with low cost.
Should be noted that at last; above embodiment is only in order to the explanation the technical solution of the utility model but not to the restriction of the utility model protection range; although the utility model has been done detailed description with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the essence and the scope of technical solutions of the utility model.
Claims (10)
1. the input rectification circuit of an 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 an 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 an end of inductance L 1, the other end of inductance L 1, the collector electrode of IGBT pipe Q4 is connected the negative pole of diode D4 with the positive 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, it 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, it is characterized in that: the model of described diode D2 is 1N5404.
4. according to the input rectification circuit of claim 1 or 2 or 3 described accessory power supplys, it is characterized in that: the model of described SCR thyristor Q1 is 40TPS12, and 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, it 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, it 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, it 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 |
|---|---|---|---|
| CN2010206713705U CN201878025U (en) | 2010-12-21 | 2010-12-21 | Input rectifying circuit of auxiliary power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206713705U CN201878025U (en) | 2010-12-21 | 2010-12-21 | Input rectifying circuit of auxiliary power supply |
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| Publication Number | Publication Date |
|---|---|
| CN201878025U true CN201878025U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206713705U Expired - Fee Related CN201878025U (en) | 2010-12-21 | 2010-12-21 | Input rectifying circuit of auxiliary power supply |
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| Country | Link |
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| CN (1) | CN201878025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427263A (en) * | 2011-12-19 | 2012-04-25 | 广东易事特电源股份有限公司 | Auxiliary power supply circuit of uninterruptible power supply |
| CN102545657A (en) * | 2010-12-21 | 2012-07-04 | 广东易事特电源股份有限公司 | Input rectification circuit for auxiliary power supply |
-
2010
- 2010-12-21 CN CN2010206713705U patent/CN201878025U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545657A (en) * | 2010-12-21 | 2012-07-04 | 广东易事特电源股份有限公司 | Input rectification circuit for auxiliary power supply |
| CN102545657B (en) * | 2010-12-21 | 2014-07-09 | 广东易事特电源股份有限公司 | Input rectification circuit for auxiliary power supply |
| CN102427263A (en) * | 2011-12-19 | 2012-04-25 | 广东易事特电源股份有限公司 | Auxiliary power supply circuit of uninterruptible power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110622 Termination date: 20161221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |