CN201878026U - An Input Rectification Circuit of Auxiliary Power Supply - Google Patents
An Input Rectification Circuit of Auxiliary Power Supply Download PDFInfo
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- CN201878026U CN201878026U CN2010206714587U CN201020671458U CN201878026U CN 201878026 U CN201878026 U CN 201878026U CN 2010206714587 U CN2010206714587 U CN 2010206714587U CN 201020671458 U CN201020671458 U CN 201020671458U CN 201878026 U CN201878026 U CN 201878026U
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Abstract
An input rectifying circuit of an auxiliary power supply comprises an auxiliary power supply circuit, a booster circuit, a direct-current energy storage circuit, an inverter output circuit, diodes D1, D2 and D3, wherein the auxiliary power supply circuit is provided with TX1 and Q3; the booster circuit is provided with Q1, Q2, Q6, Q7, Q8, Q9, L1, L2, an IGBT tube Q4, an IGBT tube Q5, D4 and D5, wherein a D1 positive electrode, a Q8 positive electrode and a Q9 negative electrode are connected with an L1 end of a three-phase power supply, a D2 positive electrode, a Q6 positive electrode and a Q7 negative electrode are connected with an L2 end of the three-phase power supply, a D3 negative electrode, a Q1 positive electrode and a Q2 negative electrode are connected with an L3 end of the three-phase power supply, and a negative electrode of a polar capacitor C1, a positive electrode of a polar capacitor C2, an emitter of an IGBT tube Q4, a collector of an IGBT tube Q5 and a 2 end of an inverter output circuit are connected with an N end of the. Partial elements of the main circuit can be utilized to realize the power supply for the auxiliary power supply after the full-wave rectification of the commercial power, and the circuit structure is simple.
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 three-phase mains to the accessory power supply by 4 diodes (D1, D2, D4, D5, D5 D6) realizes full-wave rectification, 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 is provided with auxiliary power circuit, booster circuit, dc energy storage circuit, inverter output circuit, diode D1, D2, D3;
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, Q2, Q6, Q7, Q8, Q9, inductance L 1, inductance L 2, IGBT pipe Q4, IGBT pipe Q5, diode D4 and D5;
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 negative pole of the positive pole of the positive pole of described diode D1, SCR thyristor Q8, SCR thyristor Q9 is connected with the L1 of three phase mains end, the negative pole of the positive pole of the positive pole of described diode D2, described SCR thyristor Q6, described SCR thyristor Q7 is connected with the L2 of three phase mains end, the negative pole of the anodal SCR thyristor Q2 of the negative pole of described diode D3, SCR thyristor Q1 is connected with the L3 of three phase mains end
The positive pole of described diode D1, the positive pole of SCR thyristor Q8, the negative pole of SCR thyristor Q9 is connected with the L1 of three phase mains end, the positive pole of described diode D2, the positive pole of described SCR thyristor Q6, the negative pole of described SCR thyristor Q7 is connected with the L2 of three phase mains end, the positive pole of described diode D3, the positive pole of SCR thyristor Q1, the negative pole of SCR thyristor Q2 is connected with the L3 of three phase mains end, the negative pole of described diode D1, the negative pole of diode D2, the negative pole of diode D3 is connected with 1 end of described transformer TX1,2 ends of described transformer TX1 are connected with the drain electrode of described transistor Q3, the source electrode of described transistor Q3, the positive pole of SCR thyristor Q9, the positive pole of SCR thyristor Q7, 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 D5, the positive pole of diode D5, the negative pole of polar capacitor C2 is connected with 3 ends of inverter output circuit, the negative pole of SCR thyristor Q8, the negative pole of SCR thyristor Q6, 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 with the positive pole of diode D4, the negative pole of diode D4, the positive pole of polar capacitor C1 is connected the negative pole of polar capacitor C1 with 1 end of inverter output circuit, the positive pole of polar capacitor C2, the emitter of IGBT pipe Q4, the collector electrode of IGBT pipe Q5,2 ends of inverter output circuit are connected with the N of three-phase circuit end.
The model of described diode D1 is 1N5404; The model of described diode D2 is 1N5404; The model of described diode D3 is 1N5404.
The model of described SCR thyristor Q1 is 40TPS12, and the model of described SCR thyristor Q2 is 40TPS12.
The model of described SCR thyristor Q6 is 40TPS12, and the model of described SCR thyristor Q7 is 40TPS12.
The model of described SCR thyristor Q8 is 40TPS12, and the model of described SCR thyristor Q9 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 D4 is RHRP30120; The model of described diode D5 is RHRP30120.
Described polar capacitor C1 is 5600uF, 450V, and described polar capacitor C2 is 5600uF, 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, D2, D3; 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, Q2, Q6, Q7, Q8, Q9, inductance L 1, inductance L 2, IGBT pipe Q4, IGBT pipe Q5, diode D4 and D5; 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 Q8, the negative pole of SCR thyristor Q9 is connected with the L1 of three phase mains end, the positive pole of described diode D2, the positive pole of described SCR thyristor Q6, the negative pole of described SCR thyristor Q7 is connected with the L2 of three phase mains end, the positive pole of described diode D3, the positive pole of SCR thyristor Q1, the negative pole of SCR thyristor Q2 is connected with the L3 of three phase mains end, the negative pole of described diode D1, the negative pole of diode D2, the negative pole of diode D3 is connected with 1 end of described transformer TX1,2 ends of described transformer TX1 are connected with the drain electrode of described transistor Q3, the source electrode of described transistor Q3, the positive pole of SCR thyristor Q9, the positive pole of SCR thyristor Q7, 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 D5, the positive pole of diode D5, the negative pole of polar capacitor C2 is connected with 3 ends of inverter output circuit, the negative pole of SCR thyristor Q8, the negative pole of SCR thyristor Q6, 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 with the positive pole of diode D4, the negative pole of diode D4, the positive pole of polar capacitor C1 is connected the negative pole of polar capacitor C1 with 1 end of inverter output circuit, the positive pole of polar capacitor C2, the emitter of IGBT pipe Q4, the collector electrode of IGBT pipe Q5,2 ends of inverter output circuit are connected with the N of three-phase circuit end.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.
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 and D3.
Dc energy storage circuit 300 is provided with polar capacitor C1 and C2, and inverter output circuit 400 is provided with 1 end, 2 ends and 3 ends.
The negative pole of the positive pole of the positive pole of diode D1, SCR thyristor Q8, SCR thyristor Q9 is connected with the L1 of three phase mains end, the negative pole of the positive pole of the positive pole of diode D2, SCR thyristor Q6, SCR thyristor Q7 is connected with the L2 of three phase mains end, and the negative pole of the anodal SCR thyristor Q2 of the negative pole of diode D3, SCR thyristor Q1 is connected with the L3 of three phase mains end.
The positive pole of described diode D1, the positive pole of SCR thyristor Q8, the negative pole of SCR thyristor Q9 is connected with the L1 of three phase mains end, the positive pole of described diode D2, the positive pole of described SCR thyristor Q6, the negative pole of described SCR thyristor Q7 is connected with the L2 of three phase mains end, the positive pole of described diode D3, the positive pole of SCR thyristor Q1, the negative pole of SCR thyristor Q2 is connected with the L3 of three phase mains end, the negative pole of described diode D1, the negative pole of diode D2, the negative pole of diode D3 is connected with 1 end of described transformer TX1,2 ends of described transformer TX1 are connected with the drain electrode of described transistor Q3, the source electrode of described transistor Q3, the positive pole of SCR thyristor Q9, the positive pole of SCR thyristor Q7, 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 D5, the positive pole of diode D5, the negative pole of polar capacitor C2 is connected with 3 ends of inverter output circuit, the negative pole of SCR thyristor Q8, the negative pole of SCR thyristor Q6, 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 with the positive pole of diode D4, the negative pole of diode D4, the positive pole of polar capacitor C1 is connected the negative pole of polar capacitor C1 with 1 end of inverter output circuit, the positive pole of polar capacitor C2, the emitter of IGBT pipe Q4, the collector electrode of IGBT pipe Q5,2 ends of inverter output circuit are connected with the N of three-phase circuit end.
The input rectification circuit of a kind of accessory power supply of the present utility model, three-phase circuit L1, L2 and L3 end, diode D1, diode D2, diode D3, transformer TX1, transistor Q3, thyristor Q2, thyristor Q7, thyristor Q9 have constituted three-phase full wave rectifier circuit.The loop that this circuit has utilized thyristor Q2, Q7 in the major loop and Q9 to constitute auxiliary power circuit 100 full-wave rectification power takings.When the UPS standby, because Q2, Q7 and Q9 are not open-minded, diode formation three-plase half wave rectifier circuit is auxiliary power circuit 100 power supplies in the body of D1, D2, D3, L2 and Q5.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, Q7 and Q9 were in the negative half period conducting, and it is auxiliary power circuit 100 power supplies that D1, D2, D3, Q2, Q7 and Q9 have then formed a three-phase full wave rectifier circuit.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 that the model of diode D1 is 1N5404, and the model of diode D2 is 1N5404, and the model of diode D3 is 1N5404.
The model of SCR thyristor Q1 is 40TPS12, and the model of SCR thyristor Q2 is 40TPS12.
The model of SCR thyristor Q6 is 40TPS12, and the model of SCR thyristor Q7 is 40TPS12.
The model of SCR thyristor Q8 is 40TPS12, and the model of SCR thyristor Q9 is 40TPS12.
The model of IGBT pipe Q4 is IRG4PC50UD, and the model of IGBT pipe Q5 is IRG4PC50UD.
The model of diode D4 is RHRP30120, and the model of diode D5 is RHRP30120.
Polar capacitor C1 is 5600uF, 450V, and polar capacitor C2 is 5600uF, 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206714587U CN201878026U (en) | 2010-12-21 | 2010-12-21 | An Input Rectification Circuit of Auxiliary Power Supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206714587U CN201878026U (en) | 2010-12-21 | 2010-12-21 | An Input Rectification Circuit of Auxiliary Power Supply |
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| Publication Number | Publication Date |
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| CN201878026U true CN201878026U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206714587U Expired - Fee Related CN201878026U (en) | 2010-12-21 | 2010-12-21 | An Input Rectification Circuit of Auxiliary Power Supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545658A (en) * | 2010-12-21 | 2012-07-04 | 广东易事特电源股份有限公司 | An Input Rectification Circuit of Auxiliary Power Supply |
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2010
- 2010-12-21 CN CN2010206714587U patent/CN201878026U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545658A (en) * | 2010-12-21 | 2012-07-04 | 广东易事特电源股份有限公司 | An Input Rectification Circuit of Auxiliary Power Supply |
| CN102545658B (en) * | 2010-12-21 | 2015-03-18 | 广东易事特电源股份有限公司 | Input rectification circuit of auxiliary power supply |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20161221 |