CN102611331B - High-power-density onboard variable voltage rectifier - Google Patents
High-power-density onboard variable voltage rectifier Download PDFInfo
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- CN102611331B CN102611331B CN201210076034.XA CN201210076034A CN102611331B CN 102611331 B CN102611331 B CN 102611331B CN 201210076034 A CN201210076034 A CN 201210076034A CN 102611331 B CN102611331 B CN 102611331B
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Abstract
The invention relates to a high-power-density onboard variable voltage rectifier, which comprises an input connector, an input filter unit, a pulse transformator, a rectifying unit, an output filter unit, a heat radiation unit, a fault warning unit, an output connector and a casing, wherein the casing consists of a bottom plate, a panel and a cover hoop. Compared with an independent voltage stabilizing circuit, the high-power-density onboard variable voltage rectifier has the advantages that the device number is decreased, the system complexity is reduced, the system reliability is improved, and characteristics of low input current harmonic waves, stable output voltage and the like are realized. The high-power-density onboard variable voltage rectifier is suitable for being applied to middle-high-power rectifying occasions in aviation industry and national production.
Description
Technical field
The present invention relates to a kind of vertoro, be specifically related to the airborne vertoro of a kind of high power density.
Background technology
Along with improving constantly that installation requires, also more and more higher to the requirement of the volume of airborne equipment, weight, unfailing performance etc.The general volume and weight of existing airborne vertoro is larger, has taken installing space, has increased Whole Equipment burden, is not easy to safeguard, can not adapt to the demand of modern installation.Traditional transformer all adopts in common FERRITE CORE, is wound around enamelled wire or multiply strand and line, and volume ratio is larger, and transfer efficiency is inadequate, has limited the scope of application of transformer, has fettered the minimum dimension that power-supply system can reach.
Summary of the invention
In order to solve the deficiencies such as in prior art, traditional transformer volume is large, weight is large, efficiency is low, the invention provides a kind of simple in structurely, compact, easy to assembly, lightweight, operating efficiency is high, uses the airborne vertoro of safe high power density.
The technical solution used in the present invention is: the airborne vertoro of a kind of high power density, its technical characterstic is: comprise input connector, input filter unit, pulse transformer, rectification unit, output filtering unit, heat-sink unit, fault warning unit, out connector, and the housing being formed by base plate, panel, housing;
Pulse transformer, rectification unit, heat-sink unit are all installed on base plate, heat-sink unit comprises radiator and blower fan, rectification unit is installed on radiator side, on rectification unit, arrange input filter unit and output filtering unit, input connector, out connector, fault warning unit are all installed on panel;
Described input filter unit comprises reactor and input filter capacitor, and reactor is connected with input connector; The input of described pulse transformer is connected with reactor; The output of described pulse transformer is connected with the ac input end of the double diode of rectification unit; Described output filtering unit comprises flat anti-device, output filter capacitor and resistance, the positive output end of the double diode of rectification unit connects out connector positive terminal through flat anti-device, the negative output terminal of the double diode of rectification unit connects out connector and connects negative terminal, between the positive and negative binding post of out connector, is parallel with output filter capacitor and resistance.
Described fault warning unit comprises the fan trouble alarm switch on blower fan, and fan trouble alarm switch is connected with fault warning unit.
Described fault warning unit comprises the temperature warning switch on base plate, and temperature warning switch is connected with fault warning unit.
Described radiator is crimped on base plate by some inserted sheet spaces of teeth.
Described fan air channel layout corresponding to radiator.
The former limit of described pulse transformer adopts three phase windings of one group of Y-connection, and secondary adopts two groups to be respectively three phase windings that star is connected with triangle; Described rectification unit comprises six double diodes, and every group of three double diodes are the dual-side that is arranged in symmetrically radiator, and input filter unit and output filtering unit are arranged in respectively on three double diodes of radiator dual-side; The star of described pulse transformer secondary is connected with the ac input end of two groups of three double diodes respectively with Atria phase winding, the positive output end of two groups of three double diodes connects respectively the positive terminal of out connector through two flat anti-devices, the negative output terminal of two groups of three double diodes connects the negative terminal of out connector.
Compared with prior art, advantage of the present invention is:
1, the alarm connector of input connector, out connector and fault warning unit is made by composite material, composite material has the features such as specific strength is large, specific stiffness is high, anti-fatigue performance is good, damping property is good, high temperature resistant, fail safe good, lightweight, light by 30% compared with aluminum alloy materials;
2, input filter unit and output filtering unit are all in order to solve electromagnetic compatibility problem, reactor and input filter capacitor, flat anti-device and output filter capacitor all form LC combination, the LC parameter of selected coupling after spectrum analysis, make it have good common mode, differential mode characteristic, the emc issue of solution equipment, the electromagnetic interference that has effectively suppressed input and output, guarantees the normal operation of equipment;
3, pulse transformer is to be completed by specific magnetic core and technique for coiling, makes transformer have good activity coefficient, and whole volume of transformer and weight have had very large change, and the volume of complete machine is significantly reduced; Transformer primary side adopts three phase windings of one group of Y-connection, secondary adopts two groups to be respectively to deliver to rectification unit and output filtering unit after the Y/Y Δ connected mode of three phase windings that are connected with triangle of star, output direct current, can reduce Harmonics of Input and output voltage ripple greatly;
4, rectification unit is comprised of six high-power double diodes, and this double diode has the advantages that conduction voltage drop is low, loss is little, can improve overall efficiency; And forward conduction electric current is large, when short circuit is worked, its short circuit current is still within its rated current, and overload capacity is strong, has improved current capacity, makes the short circuit of complete machine, carrying load ability stronger;
5, heat-sink unit is to adopt some aluminium alloy inserted sheet teeth to form radiator blade inserting to be installed on base, and volume is little, topology layout is compact, convenient for installation and maintenance, has good heat sinking function, guarantees long-time operation semi-load under calm cold state; Adopt with radiator be used in conjunction with lightweight, air quantity is large, the blower fan air blast cooling that reliability is high, reaches higher radiating effect, has improved the operational reliability of equipment complete machine;
6, fault warning unit is comprised of temperature warning and fan trouble alarm, temperature warning is answered vertoro internal temperature via enclosure interior temperature warning switch, when temperature is during higher than set 120-130 ℃, closed temperature alarm switch, the alarm connector output by fault-signal through fault warning unit; Blower fan is provided with the rotating speed of fan trouble alarm switch sampling blower fan, when the rotating speed of blower fan lower than set rotating speed time, closed fan trouble alarm switch, fault-signal is exported through alarm connector, the collection of two-way fault-signal and output can real time reaction complete machine operation conditionss, improve equipment reliability of operation.
The present invention is Reasonable Arrangement input filter unit on base plate, pulse transformer, rectification unit and output filtering unit, through panel and housing package floor, form housing, by the input on panel, out connector is realized the input and output of rectifier, on the basis of the electrical performance indexes that guarantees to set, meet volume little, lightweight, compact conformation, convenient for installation and maintenance, reliable installation demand operates steadily, with adopt independently voltage stabilizing circuit and compare, reduced component number, reduced the complexity of system, improved the reliability of system, possesses Harmonics of Input low, the features such as output voltage stabilization, be applicable to being applied to the middle power rectifier occasion of aircraft industry and national product.
Accompanying drawing explanation
Fig. 1 is interior layout figure of the present invention;
Fig. 2 is vertoro composition frame chart of the present invention.
In figure: base plate 1, panel 2, input connector 3, reactor 4, input filter capacitor 5, pulse transformer 6, double diode 7, flat anti-device 8, output filter capacitor 9, out connector 10, radiator 11, blower fan 12, alarm connector 13, fan trouble alarm switch 14, temperature warning switch 15.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Shown in Fig. 1, the airborne vertoro of a kind of high power density comprises base plate 1, panel 2, input connector 3, reactor 4, input filter capacitor 5, pulse transformer 6, double diode 7, flat anti-device 8, output filter capacitor 9, out connector 10, radiator 11, blower fan 12, alarm connector 13, fan trouble alarm switch 14 and temperature warning switch 15.Panel 2 is arranged at base plate 1 one sides, panel 2 is provided with input connector 3, out connector 10 and alarm connector 13, the base plate 1 of base plate opposite side is provided with pulse transformer 6, base plate between pulse transformer 6 and panel 2 is provided with by some inserted sheet spaces of teeth and is crimped on and on base plate, forms radiator 11, on the base plate 1 of radiator 11 any two opposite sides, be provided with symmetrically respectively and on 7, two groups of three double diodes of three double diodes, arrange respectively the peaceful anti-device 8 of reactor 4; Base plate 1 is provided with blower fan 12, the setting corresponding to radiator 11 of blower fan 12 air channels, and blower fan 12 is provided with the fan trouble alarm switch 14 being connected with alarm connector 13 on panel 1; On the base plate 1 of blower fan 12 Arbitrary Relative both sides, be respectively equipped with input filter capacitor 5 and output filter capacitor 9, on base plate 1, be also provided with alarm connector 13 on panel 1 and be connected temperature warning switch 15; Input connector 3 connects out connectors 10 through reactor 4, input filter capacitor 5, pulse transformer 6, two groups of three double diodes 7, flat anti-device 8, output filter capacitors 9 successively, and the rectifier housing that base plate 1, panel 2 and housing form is by the above-mentioned electronic package being installed on base plate 1.
Vertoro composition frame chart of the present invention shown in Fig. 2, the three-phase input of input connector 3 connects respectively three reactor 4 inputs, the neutral input grounding of input connector 3, three reactor 4 outputs connect three phase windings of the Y-connection on pulse transformer 6 former limits, between three reactor 4 outputs and pulse transformer 6 respectively through three input filter capacitor 5 ground connection, pulse transformer 6 secondary adopt two groups to be respectively three phase windings that star is connected with triangle, three phase windings that star is connected with triangle connect respectively the ac input end of two groups of three double diodes, the positive output end of two groups of three double diodes connects respectively the positive terminal of out connector 10 through two flat anti-devices 8, the negative output terminal of two groups of three double diodes connects the negative terminal of out connector 10, out connector 10 just, between negative terminal, be provided with resistance R parallel with one another and output filter capacitor group, output filter capacitor group by two output filter capacitors 9 serial connection, formed and two output filter capacitors 9 between ground connection, fan trouble alarm switch 14 and temperature warning switch 15 are connected in parallel in alarm connector 13.
Three-phase alternating current is linked into the reactor 4 in input filter unit by input connector 3, after reactor 4 and input filter capacitor 5 filtering processing, deliver to pulse transformer 6 and carry out power factor correction and decompression transformation, alternating current after conversion is delivered to the ac input end of double diode 7 in rectification unit, direct current after rectification is delivered on the flat anti-device 8 in output filtering unit through the positive-negative output end of double diode, by flat anti-device 8, output filter capacitor 9, resistance R, the direct current of output is carried out after filtering processing, by out connector 10, exported external equipment distribution.Because vertoro power is larger, and net capacity is limited on machine, the harmonic wave and reactive power and the impact on electrical network on machine that in order to reduce vertoro, produce, alleviate interference, and reduce the pulsating quantity of input direct voltage, vertoro is designed to the rectification circuit of the multiple connection of phase shift, after multiple connection, rectifier bridge, by flat anti-device output dc voltage, is realized the current-sharing operation of two rectifier bridges.The heat forming in the equipment course of work is radiated in air by radiator 11 heat radiations, through blower fan 12, heat is taken out of outside machine, in running, the 14 pairs of fan troubles of fan trouble alarm switch that arrange on blower fan carry out Real-Time Monitoring, during as rotation speed of fan preset rotation speed, fan trouble alarm switch is closed; The temperature of the 15 pairs of device interiors of temperature warning switch in vertoro is carried out Real-Time Monitoring, and as temperature, during higher than preset temperature value, temperature warning switch is closed; Fan trouble alarm signal and temperature alarm signal are by 13 outputs of alarm connector.
Claims (6)
1. the airborne vertoro of high power density, it is characterized in that: comprise input connector, input filter unit, pulse transformer, rectification unit, output filtering unit, heat-sink unit, fault warning unit, out connector, and the housing being formed by base plate, panel, housing;
Pulse transformer, rectification unit, heat-sink unit are all installed on base plate, heat-sink unit comprises radiator and blower fan, rectification unit is installed on radiator side, on rectification unit, arrange input filter unit and output filtering unit, input connector, out connector, fault warning unit are all installed on panel;
Described input filter unit comprises reactor and input filter capacitor, and reactor is connected with input connector; The input of described pulse transformer is connected with reactor; The output of described pulse transformer is connected with the ac input end of the double diode of rectification unit; Described output filtering unit comprises flat anti-device, output filter capacitor and resistance, the positive output end of the double diode of rectification unit connects out connector positive terminal through flat anti-device, the negative output terminal of the double diode of rectification unit connects out connector and connects negative terminal, between the positive and negative binding post of out connector, is parallel with output filter capacitor and resistance.
2. the airborne vertoro of high power density according to claim 1, is characterized in that: described fault warning unit comprises the fan trouble alarm switch on blower fan, and fan trouble alarm switch connects output by fault warning unit.
3. the airborne vertoro of high power density according to claim 1, is characterized in that: described fault warning unit comprises the temperature warning switch on base plate, and temperature warning switch connects output by fault warning unit.
4. the airborne vertoro of high power density according to claim 1, is characterized in that: described radiator is crimped on base plate by some inserted sheet spaces of teeth.
5. according to the airborne vertoro of the high power density described in claim 1 or 4, it is characterized in that: described radiator layout corresponding to fan air channel.
6. the airborne vertoro of high power density according to claim 1, is characterized in that: the former limit of described pulse transformer adopts three phase windings of one group of Y-connection, and secondary adopts two groups to be respectively three phase windings that star is connected with triangle; Described rectification unit comprises six double diodes, and every group of three double diodes are the dual-side that is arranged in symmetrically radiator, and input filter unit and output filtering unit are arranged in respectively on three double diodes of radiator dual-side; The star of described pulse transformer secondary is connected with the ac input end of two groups of three double diodes respectively with Atria phase winding, the positive output end of two groups of three double diodes connects respectively the positive terminal of out connector through two flat anti-devices, the negative output terminal of two groups of three double diodes connects the negative terminal of out connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210076034.XA CN102611331B (en) | 2012-03-21 | 2012-03-21 | High-power-density onboard variable voltage rectifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210076034.XA CN102611331B (en) | 2012-03-21 | 2012-03-21 | High-power-density onboard variable voltage rectifier |
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| CN102611331A CN102611331A (en) | 2012-07-25 |
| CN102611331B true CN102611331B (en) | 2014-03-19 |
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| CN105722376B (en) * | 2016-04-08 | 2018-01-16 | 珠海思齐电动汽车设备有限公司 | The cooling system of oil immersed type electronic equipment |
| CN107786105A (en) * | 2016-08-30 | 2018-03-09 | 中国飞行试验研究院 | A kind of Transformer Rectifier system based on harmonics restraint |
| CN110112936A (en) * | 2019-05-20 | 2019-08-09 | 哈尔滨理工大学 | A kind of voltage levels rectifier |
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| CA756743A (en) * | 1961-11-15 | 1967-04-11 | The Bendix Corporation | Rotor construction of cascaded generators |
| CN2172544Y (en) * | 1993-11-09 | 1994-07-20 | 胡素珍 | Inverting power supply unit |
| CN2914410Y (en) * | 2006-01-13 | 2007-06-20 | 江龙兆 | Structure of high-power high-frequency switch power supply |
| CN201298811Y (en) * | 2008-11-21 | 2009-08-26 | 兰州金牛轨道交通装备有限责任公司 | DC chopped-wave stable-voltage power supplier |
| CN201533254U (en) * | 2009-10-19 | 2010-07-21 | 王镇 | Compact type switch power supply module |
| CN201682407U (en) * | 2010-03-11 | 2010-12-22 | 荣信电力电子股份有限公司 | Power phase module based on IEGT (Injection Enhanced Gate Transistor) |
| CN202488370U (en) * | 2012-03-21 | 2012-10-10 | 江苏晟楠电子科技有限公司 | High power density onboard transformer rectifier |
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Address after: 225400 Jiangsu city of Taizhou province Taixing City Industrial Park Xiangrong Road No. 18 Patentee after: JIANGSU SHENGNAN ELECTRONIC TECHNOLOGY CO., LTD. Address before: 225400 Jiangsu city of Taizhou province Taixing City Industrial Park Xiangrong Road No. 18 Patentee before: Jiangsu Shengnan Electronic Technology Co.,Ltd. |